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219× 9× 9× 9× 3× 219× 10× 10× 10× 219× 1× 9× 7× 7× 4× 4× 2× 2× 3× 3× 7× 7× 2× 2× 5× 1× 7× 7× 2× 2× 1× 1× 1× 1× 1× 1× 1× 1× 1× 9× 8× 8× 8× 1× 1× 1× 1× 9× 1× 4× 3× 3× 2× 2× 3× 1× 1× 3× 3× 1× 1× 110× 1× 15× 15× 15× 3× 15× 15× 1× 26× 16× 16× 10× 1× 11× 11× 11× 6× 6× 11× 11× 11× 1× 79× 75× 75× 75× 75× 79× 1× 773× 770× 770× 770× 1× 17× 1× 20× 20× 8× 6× 6× 6× 6× 6× 6× 6× 6× 12× 10× 10× 1× 195× 1× 146× 17× 1× 29× 3× 26× 26× 2× 24× 24× 13× 24× 22× 3× 3× 1× 19× 19× 19× 19× 19× 22× 22× 22× 17× 17× 17× 2× 1× 118× 97× 97× 88× 88× 1× 454× 454× 454× 454× 454× 454× 454× 252× 252× 252× 252× 252× 3× 249× 249× 249× 202× 202× 162× 1× 451× 451× 409× 451× 451× 451× 451× 216× 451× 451× 451× 44× 44× 38× 6× 407× 1× 1× 1× 407× 1× 65× 31× 31× 31× 31× 1× 540× 540× 90× 450× 538× 18× 520× 1× 1× 538× 57× 538× 538× 538× 538× 48× 538× 86× 86× 452× 452× 452× 283× 452× 1× 550× 414× 136× 134× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 547× 529× 547× 547× 547× 86× 459× 371× 371× 459× 155× 459× 459× 459× 459× 459× 9× 450× 170× 1× 38× 38× 38× 38× 30× 38× 1× 19× 19× 19× 13× 13× 13× 19× 19× 19× 19× 19× 19× 19× 19× 19× 1× 725× 723× 723× 267× 267× 1× 2072× 2072× 2072× 2072× 2072× 2072× 1326× 1326× 2072× 2072× 2072× 1× 469× 469× 469× 469× 139× 139× 135× 2620× 135× 135× 469× 469× 469× 1× 640× 640× 24× 616× 640× 1× 472× 472× 472× 472× 472× 388× 388× 388× 4× 384× 388× 388× 388× 388× 472× 46× 1× 482× 438× 438× 197× 197× 197× 241× 241× 241× 241× 44× 1× 237× 232× 232× 232× 16× 6× 6× 10× 16× 16× 16× 16× 21× 21× 17× 17× 4× 3× 3× 1× 1× 1× 1× 1× 1× 1× 1× 1× 21× 21× 195× 15× 15× 195× 195× 195× 195× 71× 195× 5× 1× 40× 2× 4× 4× 4× 4× 4× 30× 30× 30× 1× 46× 2× 2× 1× 821× 821× 184× 184× 184× 184× 8× 176× 103× 103× 637× 821× 80× 80× 80× 80× 14× 10× 10× 80× 80× 80× 14× 14× 10× 14× 80× 80× 80× 14× 14× 10× 10× 10× 10× 4× 80× 70× 70× 80× 8× 72× 72× 80× 821× 1× 76× 76× 1× 106× 106× 106× 106× 106× 106× 106× 106× 106× 106× 106× 39× 39× 39× 39× 106× 106× 61× 1× 4× 4× 1× 104× 104× 104× 104× 10× 10× 10× 10× 1× 1× 1× 1× 1× 1× 1× 1× 10× 10× 10× 2× 2× 10× 94× 94× 94× 2× 2× 2× 2× 94× 94× 1× 1× 1× 94× 104× 3× 104× 1× 155× 53× 53× 53× 53× 53× 12× 53× 53× 53× 53× 53× 53× 53× 41× 41× 53× 41× 12× 53× 53× 53× 53× 53× 53× 102× 1× 229× 229× 79× 229× 1× 1× 1× 1× 1× 1× 5× 5× 4× 1× 108× 1× 602× 602× 20× 602× 7× 7× 595× 14× 595× 13× 13× 595× 595× 595× 595× 595× 595× 595× 1× 1× 1× 595× 1× 1× 595× 535× 595× 595× 595× 9× 9× 9× 9× 5× 5× 5× 5× 31× 4× 4× 1× 1× 1× 1× 3× 4× 8× 586× 27× 594× 154× 154× 3× 3× 151× 154× 64× 90× 3× 154× 63× 63× 63× 63× 154× 21× 440× 21× 21× 21× 21× 419× 16× 594× 350× 350× 45× 13× 13× 350× 1× 154× 154× 1272× 6× 148× 1× 206× 206× 209× 206× 1× 194× 194× 84× 1× 67× 67× 19× 19× 77× 19× 2× 1× 20× 20× 11× 3× 3× 8× 1× 11× 11× 11× 1× 65× 65× 65× 65× 65× 65× 50× 1× 9× 9× 2× 2× 7× 7× 1× 26× 26× 5× 5× 5× 3× 1× 476× 476× 242× 1× 565× 565× 272× 272× 293× 293× 293× 292× 292× 292× 292× 292× 292× 9× 292× 292× 6× 292× 292× 292× 3× 3× 292× 19× 19× 19× 19× 19× 19× 19× 19× 18× 18× 1× 292× 292× 291× 291× 53× 53× 291× 9× 9× 9× 291× 6× 6× 6× 291× 291× 1× 292× 292× 292× 292× 75× 217× 18× 199× 292× 18× 18× 18× 18× 292× 292× 292× 292× 292× 39× 39× 39× 30× 39× 12× 12× 12× 12× 12× 12× 12× 12× 12× 12× 292× 292× 292× 292× 468× 468× 292× 292× 292× 292× 292× 19× 19× 19× 6× 6× 6× 292× 292× 6× 6× 6× 292× 292× 292× 292× 292× 292× 292× 292× 292× 292× 290× 287× 290× 290× 287× 2× 2× 1× 1× 292× 262× 262× 21× 262× 1× 18× 18× 18× 18× 1× 292× 292× 139× 128× 139× 139× 139× 139× 139× 39× 39× 6× 33× 196× 196× 196× 196× 196× 88× 108× 49× 196× 196× 32× 32× 32× 31× 2× 195× 26× 5× 1× 72× 1× 1× 780× 1× 634× 41× 1× 41× 41× 1× 12× 12× 12× 12× 12× 12× 12× 12× 1× 18× 18× 18× 18× 18× 18× 18× 18× 18× 18× 18× 2× 2× 2× 2× 16× 8× 8× 8× 18× 18× 18× 1× 292× 292× 287× 287× 292× 18× 18× 292× 1× 281× 281× 281× 281× 18× 18× 18× 281× 280× 280× 280× 280× 280× 280× 280× 280× 280× 280× 280× 280× 280× 44× 44× 236× 147× 147× 147× 145× 3× 3× 3× 3× 3× 3× 3× 3× 142× 1× 1× 1× 1× 141× 6× 6× 6× 141× 2× 147× 147× 280× 280× 1× 34× 34× 34× 34× 34× 34× 34× 34× 34× 34× 9× 25× 14× 14× 14× 11× 14× 2× 2× 2× 2× 2× 2× 12× 1× 1× 1× 1× 11× 6× 6× 6× 11× 11× 5× 1× 232× 1× 3620× 1× 330× 1× 309× 309× 178× 144× 144× 144× 34× 34× 34× 131× 309× 1× 3× 3× 3× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 11× 11× 2× 9× 9× 1× 447× 447× 447× 447× 447× 447× 214× 233× 233× 233× 233× 233× 233× 233× 233× 389× 389× 233× 10× 233× 41× 31× 31× 31× 41× 10× 10× 41× 41× 41× 41× 41× 41× 41× 41× 41× 233× 233× 233× 233× 233× 233× 125× 233× 19× 4× 4× 3× 15× 3× 19× 11× 233× 233× 233× 233× 233× 233× 3× 3× 3× 233× 232× 47× 232× 140× 92× 233× 233× 233× 7× 226× 233× 2× 2× 1× 5× 5× 5× 5× 5× 1× 5× 5× 5× 5× 5× 5× 5× 3× 5× 5× 5× 5× 5× 5× 1× 233× 233× 233× 233× 233× 1× 1× 1× 1× 416× 416× 396× 396× 297× 396× 288× 396× 20× 20× 14× 20× 20× 416× 416× 26× 416× 416× 416× 6× 410× 416× 416× 416× 416× 416× 416× 416× 416× 1× 416× 416× 416× 416× 416× 416× 416× 416× 416× 206× 210× 204× 204× 204× 204× 416× 416× 416× 416× 212× 416× 81× 2× 2× 2× 2× 81× 81× 81× 2× 335× 9× 9× 9× 9× 416× 416× 416× 18× 416× 416× 416× 19× 416× 1× 416× 1× 416× 78× 416× 1× 416× 416× 1× 1× 416× 416× 416× 416× 21× 416× 416× 1× 418× 418× 418× 418× 418× 418× 418× 418× 418× 418× 1× 9× 9× 5× 5× 4× 4× 9× 9× 9× 9× 9× 9× 9× 1× 10× 10× 5× 5× 5× 10× 10× 10× 10× 10× 10× 10× 10× 1× 416× 1× 1× 1× 2× 1× 336× 184× 184× 184× 1× 329× 4× 4× 329× 329× 329× 329× 14× 329× 7× 7× 322× 5× 5× 1× 44× 24× 44× 44× 42× 42× 44× 39× 1× 26× 26× 26× 26× 26× 1× 83× 47× 1× 357× 357× 357× 66× 357× 275× 275× 357× 404× 36× 36× 36× 2× 2× 11× 11× 11× 1× 1× 1× 1× 1× 3× 3× 3× 7× 7× 7× 2× 2× 10× 10× 46× 26× 26× 20× 1× 1× 1× 1× 19× 7× 1× 7× 19× 18× 18× 3× 3× 3× 3× 18× 19× 88× 39× 38× 49× 49× 1× 1× 1× 1× 1× 48× 48× 17× 1× 17× 48× 47× 47× 47× 5× 5× 5× 1× 4× 47× 47× 48× 21× 4× 4× 17× 2× 1× 2× 17× 16× 16× 2× 2× 16× 17× 3× 3× 3× 1× 1× 1× 2× 2× 4× 4× 4× 4× 4× 1× 1× 1× 1× 165× 165× 165× 357× 357× 404× 404× 403× 1× 81× 71× 71× 10× 1× 1× 1× 424× 10× 414× 1× 1× 7× 6× 7× 6× 7× 7× 6× 1× 12253× 1× 295× 4× 291× 291× 291× 291× 61× 61× 230× 230× 12× 12× 218× 119× 119× 230× 13× 1× 13× 230× 223× 230× 1× 223× 12× 12× 1× 12× 223× 211× 1× 1× 408× 3× 3× 3× 3× 2× 2× 2× 2× 2× 2× 1× 1× 408× 408× 408× 408× 408× 408× 20× 408× 17× 17× 1× 88× 1× 87× 87× 87× 1× 1× 1× 1× 87× 86× 87× 87× 87× 2× 1× 45× 3× 42× 24× 42× 42× 42× 42× 42× 1× 215× 215× 142× 215× 215× 215× 213× 110× 213× 209× 145× 209× 3× 206× 205× 205× 2665× 205× 205× 205× 180× 180× 5× 174× 174× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 179× 178× 179× 178× 179× 179× 179× 179× 1× 1119× 4× 4× 1119× 1× 520× 1× 3× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× 1× | /* istanbul ignore next */ var __extends = (this && this.__extends) || (function () { var extendStatics = function (d, b) { extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; return extendStatics(d, b); }; return function (d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); /* istanbul ignore next */ var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) { var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d; if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc); else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r; return c > 3 && r && Object.defineProperty(target, key, r), r; }; define(["require", "exports", "@syncfusion/ej2-base", "@syncfusion/ej2-base", "@syncfusion/ej2-base", "@syncfusion/ej2-base", "@syncfusion/ej2-popups", "@syncfusion/ej2-inputs", "../common/incremental-search", "../drop-down-base/drop-down-base", "@syncfusion/ej2-data"], function (require, exports, ej2_base_1, ej2_base_2, ej2_base_3, ej2_base_4, ej2_popups_1, ej2_inputs_1, incremental_search_1, drop_down_base_1, ej2_data_1) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); []; exports.dropDownListClasses = { root: 'e-dropdownlist', hover: drop_down_base_1.dropDownBaseClasses.hover, selected: drop_down_base_1.dropDownBaseClasses.selected, rtl: drop_down_base_1.dropDownBaseClasses.rtl, li: drop_down_base_1.dropDownBaseClasses.li, disable: drop_down_base_1.dropDownBaseClasses.disabled, base: drop_down_base_1.dropDownBaseClasses.root, focus: drop_down_base_1.dropDownBaseClasses.focus, content: drop_down_base_1.dropDownBaseClasses.content, input: 'e-input-group', inputFocus: 'e-input-focus', icon: 'e-input-group-icon e-ddl-icon', iconAnimation: 'e-icon-anim', value: 'e-input-value', device: 'e-ddl-device', backIcon: 'e-input-group-icon e-back-icon e-icons', filterBarClearIcon: 'e-input-group-icon e-clear-icon e-icons', filterInput: 'e-input-filter', filterParent: 'e-filter-parent', mobileFilter: 'e-ddl-device-filter', footer: 'e-ddl-footer', header: 'e-ddl-header', clearIcon: 'e-clear-icon', clearIconHide: 'e-clear-icon-hide', popupFullScreen: 'e-popup-full-page', disableIcon: 'e-ddl-disable-icon', hiddenElement: 'e-ddl-hidden', virtualList: 'e-list-item e-virtual-list', }; var inputObject = { container: null, buttons: [] }; var DropDownList = (function (_super) { __extends(DropDownList, _super); function DropDownList(options, element) { var _this = _super.call(this, options, element) || this; _this.isListSearched = false; _this.preventChange = false; _this.isAngular = false; _this.isTouched = false; _this.IsScrollerAtEnd = function () { return this.list && this.list.scrollTop + this.list.clientHeight >= this.list.scrollHeight; }; return _this; } DropDownList.prototype.preRender = function () { this.valueTempElement = null; this.element.style.opacity = '0'; this.initializeData(); _super.prototype.preRender.call(this); this.activeIndex = this.index; this.queryString = ''; }; DropDownList.prototype.initializeData = function () { this.isPopupOpen = false; this.isDocumentClick = false; this.isInteracted = false; this.isFilterFocus = false; this.beforePopupOpen = false; this.initial = true; this.initialRemoteRender = false; this.isNotSearchList = false; this.isTyped = false; this.isSelected = false; this.preventFocus = false; this.preventAutoFill = false; this.isValidKey = false; this.typedString = ''; this.isEscapeKey = false; this.isPreventBlur = false; this.isTabKey = false; this.actionCompleteData = { isUpdated: false }; this.actionData = { isUpdated: false }; this.prevSelectPoints = {}; this.isSelectCustom = false; this.isDropDownClick = false; this.preventAltUp = false; this.isCustomFilter = false; this.isSecondClick = false; this.previousValue = null; this.keyConfigure = { tab: 'tab', enter: '13', escape: '27', end: '35', home: '36', down: '40', up: '38', pageUp: '33', pageDown: '34', open: 'alt+40', close: 'shift+tab', hide: 'alt+38', space: '32' }; this.viewPortInfo = { currentPageNumber: null, direction: null, sentinelInfo: {}, offsets: {}, startIndex: 0, endIndex: this.itemCount, }; }; DropDownList.prototype.setZIndex = function () { Eif (this.popupObj) { this.popupObj.setProperties({ 'zIndex': this.zIndex }); } }; DropDownList.prototype.requiredModules = function () { var modules = []; if (this.enableVirtualization) { modules.push({ args: [this], member: 'VirtualScroll' }); } return modules; }; DropDownList.prototype.renderList = function (e, isEmptyData) { _super.prototype.render.call(this, e, isEmptyData); if (!(this.dataSource instanceof ej2_data_1.DataManager)) { this.totalItemCount = this.dataSource && this.dataSource.length ? this.dataSource.length : 0; } if (this.enableVirtualization && this.isFiltering() && this.getModuleName() === 'combobox') { this.UpdateSkeleton(); this.liCollections = this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.li); this.ulElement = this.list.querySelector('ul'); } this.unWireListEvents(); this.wireListEvents(); }; DropDownList.prototype.floatLabelChange = function () { if (this.getModuleName() === 'dropdownlist' && this.floatLabelType === 'Auto') { var floatElement = this.inputWrapper.container.querySelector('.e-float-text'); if (this.inputElement.value !== '' || this.isInteracted) { ej2_base_4.classList(floatElement, ['e-label-top'], ['e-label-bottom']); } else { ej2_base_4.classList(floatElement, ['e-label-bottom'], ['e-label-top']); } } }; DropDownList.prototype.resetHandler = function (e) { e.preventDefault(); this.clearAll(e); Iif (this.enableVirtualization) { this.list.scrollTop = 0; this.virtualListInfo = null; this.previousStartIndex = 0; this.previousEndIndex = 0; } }; DropDownList.prototype.resetFocusElement = function () { this.removeHover(); this.removeSelection(); this.removeFocus(); this.list.scrollTop = 0; if (this.getModuleName() !== 'autocomplete' && !ej2_base_2.isNullOrUndefined(this.ulElement)) { var li = this.ulElement.querySelector('.' + exports.dropDownListClasses.li); if (this.enableVirtualization) { li = this.liCollections[this.skeletonCount]; } if (li) { li.classList.add(exports.dropDownListClasses.focus); } } }; DropDownList.prototype.clearAll = function (e, properties) { this.previousItemData = (!ej2_base_2.isNullOrUndefined(this.itemData)) ? this.itemData : null; if (ej2_base_2.isNullOrUndefined(properties) || (!ej2_base_2.isNullOrUndefined(properties) && (ej2_base_2.isNullOrUndefined(properties.dataSource) || (!(properties.dataSource instanceof ej2_data_1.DataManager) && properties.dataSource.length === 0)))) { this.isActive = true; this.resetSelection(properties); } var dataItem = this.getItemData(); if ((!this.allowObjectBinding && (this.previousValue === dataItem.value)) || (this.allowObjectBinding && this.previousValue && this.isObjectInArray(this.previousValue, [this.allowCustom ? this.value ? this.value : dataItem : dataItem.value ? this.getDataByValue(dataItem.value) : dataItem]))) { return; } this.onChangeEvent(e); this.checkAndResetCache(); if (this.enableVirtualization) { this.updateInitialData(); } }; DropDownList.prototype.resetSelection = function (properties) { if (this.list) { if ((!ej2_base_2.isNullOrUndefined(properties) && (ej2_base_2.isNullOrUndefined(properties.dataSource) || (!(properties.dataSource instanceof ej2_data_1.DataManager) && properties.dataSource.length === 0)))) { this.selectedLI = null; this.actionCompleteData.isUpdated = false; this.actionCompleteData.ulElement = null; this.actionCompleteData.list = null; this.resetList(properties.dataSource); } else { if (this.allowFiltering && this.getModuleName() !== 'autocomplete' && !ej2_base_2.isNullOrUndefined(this.actionCompleteData.ulElement) && !ej2_base_2.isNullOrUndefined(this.actionCompleteData.list) && this.actionCompleteData.list.length > 0) { this.onActionComplete(this.actionCompleteData.ulElement.cloneNode(true), this.actionCompleteData.list); } this.resetFocusElement(); } } Eif (!ej2_base_2.isNullOrUndefined(this.hiddenElement)) { this.hiddenElement.innerHTML = ''; } Eif (!ej2_base_2.isNullOrUndefined(this.inputElement)) { this.inputElement.value = ''; } this.value = null; this.itemData = null; this.text = null; this.index = null; this.activeIndex = null; this.item = null; this.queryString = ''; if (this.valueTempElement) { ej2_base_4.detach(this.valueTempElement); this.inputElement.style.display = 'block'; this.valueTempElement = null; } this.setSelection(null, null); this.isSelectCustom = false; this.updateIconState(); this.cloneElements(); }; DropDownList.prototype.setHTMLAttributes = function () { if (Object.keys(this.htmlAttributes).length) { for (var _i = 0, _a = Object.keys(this.htmlAttributes); _i < _a.length; _i++) { var htmlAttr = _a[_i]; if (htmlAttr === 'class') { var updatedClassValue = (this.htmlAttributes["" + htmlAttr].replace(/\s+/g, ' ')).trim(); if (updatedClassValue !== '') { ej2_base_4.addClass([this.inputWrapper.container], updatedClassValue.split(' ')); } } else if (htmlAttr === 'disabled' && this.htmlAttributes["" + htmlAttr] === 'disabled') { this.enabled = false; this.setEnable(); } else if (htmlAttr === 'readonly' && !ej2_base_2.isNullOrUndefined(this.htmlAttributes["" + htmlAttr])) { this.readonly = true; this.dataBind(); } else if (htmlAttr === 'style') { this.inputWrapper.container.setAttribute('style', this.htmlAttributes["" + htmlAttr]); } else if (htmlAttr === 'aria-label') { if ((this.getModuleName() === 'autocomplete' || this.getModuleName() === 'combobox') && !this.readonly) { this.inputElement.setAttribute('aria-label', this.htmlAttributes["" + htmlAttr]); } else Eif (this.getModuleName() === 'dropdownlist') { this.inputWrapper.container.setAttribute('aria-label', this.htmlAttributes["" + htmlAttr]); } } else { var defaultAttr = ['title', 'id', 'placeholder', 'role', 'autocomplete', 'autocapitalize', 'spellcheck', 'minlength', 'maxlength']; var validateAttr = ['name', 'required']; if (this.getModuleName() === 'autocomplete' || this.getModuleName() === 'combobox') { defaultAttr.push('tabindex'); } if (validateAttr.indexOf(htmlAttr) > -1 || htmlAttr.indexOf('data') === 0) { this.hiddenElement.setAttribute(htmlAttr, this.htmlAttributes["" + htmlAttr]); } else if (defaultAttr.indexOf(htmlAttr) > -1) { if (htmlAttr === 'placeholder') { ej2_inputs_1.Input.setPlaceholder(this.htmlAttributes["" + htmlAttr], this.inputElement); } else { this.inputElement.setAttribute(htmlAttr, this.htmlAttributes["" + htmlAttr]); } } else { this.inputWrapper.container.setAttribute(htmlAttr, this.htmlAttributes["" + htmlAttr]); } } } } if (this.getModuleName() === 'autocomplete' || this.getModuleName() === 'combobox') { this.inputWrapper.container.removeAttribute('tabindex'); } }; DropDownList.prototype.getAriaAttributes = function () { return { 'aria-disabled': 'false', 'role': 'combobox', 'aria-expanded': 'false', 'aria-live': 'polite', 'aria-labelledby': this.hiddenElement.id }; }; DropDownList.prototype.setEnableRtl = function () { ej2_inputs_1.Input.setEnableRtl(this.enableRtl, [this.inputElement.parentElement]); if (this.popupObj) { this.popupObj.enableRtl = this.enableRtl; this.popupObj.dataBind(); } }; DropDownList.prototype.setEnable = function () { ej2_inputs_1.Input.setEnabled(this.enabled, this.inputElement); if (this.enabled) { ej2_base_4.removeClass([this.inputWrapper.container], exports.dropDownListClasses.disable); this.inputElement.setAttribute('aria-disabled', 'false'); this.targetElement().setAttribute('tabindex', this.tabIndex); } else { this.hidePopup(); ej2_base_4.addClass([this.inputWrapper.container], exports.dropDownListClasses.disable); this.inputElement.setAttribute('aria-disabled', 'true'); this.targetElement().tabIndex = -1; } }; DropDownList.prototype.getPersistData = function () { return this.addOnPersist(['value']); }; DropDownList.prototype.getLocaleName = function () { return 'drop-down-list'; }; DropDownList.prototype.preventTabIndex = function (element) { if (this.getModuleName() === 'dropdownlist') { element.tabIndex = -1; } }; DropDownList.prototype.targetElement = function () { return !ej2_base_2.isNullOrUndefined(this.inputWrapper) ? this.inputWrapper.container : null; }; DropDownList.prototype.getNgDirective = function () { return 'EJS-DROPDOWNLIST'; }; DropDownList.prototype.getElementByText = function (text) { return this.getElementByValue(this.getValueByText(text)); }; DropDownList.prototype.getElementByValue = function (value) { var item; var listItems = this.getItems(); for (var _i = 0, listItems_1 = listItems; _i < listItems_1.length; _i++) { var liItem = listItems_1[_i]; if (this.getFormattedValue(liItem.getAttribute('data-value')) === value) { item = liItem; break; } } return item; }; DropDownList.prototype.initValue = function () { this.viewPortInfo.startIndex = this.virtualItemStartIndex = 0; this.viewPortInfo.endIndex = this.virtualItemEndIndex = this.itemCount; this.renderList(); if (this.dataSource instanceof ej2_data_1.DataManager) { this.initialRemoteRender = true; } else { this.updateValues(); } }; DropDownList.prototype.updateValues = function () { this.selectedValueInfo = this.viewPortInfo; if (!ej2_base_2.isNullOrUndefined(this.value)) { var value = this.allowObjectBinding && !ej2_base_2.isNullOrUndefined(this.value) ? ej2_base_2.getValue(((this.fields.value) ? this.fields.value : ''), this.value) : this.value; this.setSelection(this.getElementByValue(value), null); } else if (this.text && ej2_base_2.isNullOrUndefined(this.value)) { var element = this.getElementByText(this.text); if (ej2_base_2.isNullOrUndefined(element)) { this.setProperties({ text: null }); return; } else { this.setSelection(element, null); } } else { this.setSelection(this.liCollections[this.activeIndex], null); } this.setHiddenValue(); ej2_inputs_1.Input.setValue(this.text, this.inputElement, this.floatLabelType, this.showClearButton); }; DropDownList.prototype.onBlurHandler = function (e) { if (!this.enabled) { return; } var target = e.relatedTarget; var currentTarget = e.target; var isPreventBlur = this.isPreventBlur; this.isPreventBlur = false; if (isPreventBlur && !this.isDocumentClick && this.isPopupOpen && (!ej2_base_2.isNullOrUndefined(currentTarget) || !this.isFilterLayout() && ej2_base_2.isNullOrUndefined(target))) { if (this.getModuleName() === 'dropdownlist' && this.allowFiltering && this.isPopupOpen) { this.filterInput.focus(); } else { this.targetElement().focus(); } return; } if (this.isDocumentClick || (!ej2_base_2.isNullOrUndefined(this.popupObj) && document.body.contains(this.popupObj.element) && this.popupObj.element.classList.contains(exports.dropDownListClasses.mobileFilter))) { if (!this.beforePopupOpen) { this.isDocumentClick = false; } return; } if (((this.getModuleName() === 'dropdownlist' && !this.isFilterFocus && target !== this.inputElement) && (document.activeElement !== target || (document.activeElement === target && currentTarget.classList.contains(exports.dropDownListClasses.inputFocus)))) || (ej2_base_2.isNullOrUndefined(target) && this.getModuleName() === 'dropdownlist' && this.allowFiltering && currentTarget !== this.inputWrapper.container) || this.getModuleName() !== 'dropdownlist' && !this.inputWrapper.container.contains(target) || this.isTabKey) { this.isDocumentClick = this.isPopupOpen ? true : false; this.focusOutAction(e); this.isTabKey = false; } if (this.isRequested && !this.isPopupOpen && !this.isPreventBlur) { this.isActive = false; this.beforePopupOpen = false; } }; DropDownList.prototype.focusOutAction = function (e) { this.isInteracted = false; this.focusOut(e); this.onFocusOut(e); }; DropDownList.prototype.onFocusOut = function (e) { Iif (!this.enabled) { return; } Iif (this.isSelected) { this.isSelectCustom = false; this.onChangeEvent(e); } this.floatLabelChange(); this.dispatchEvent(this.hiddenElement, 'change'); Iif (this.getModuleName() === 'dropdownlist' && this.element.tagName !== 'INPUT') { this.dispatchEvent(this.inputElement, 'blur'); } if (this.inputWrapper.clearButton) { ej2_base_4.addClass([this.inputWrapper.clearButton], exports.dropDownListClasses.clearIconHide); } this.trigger('blur'); }; DropDownList.prototype.onFocus = function (e) { if (!this.isInteracted) { this.isInteracted = true; var args = { isInteracted: e ? true : false, event: e }; this.trigger('focus', args); } this.updateIconState(); }; DropDownList.prototype.resetValueHandler = function (e) { var formElement = ej2_base_4.closest(this.inputElement, 'form'); if (formElement && e.target === formElement) { var val = (this.element.tagName === this.getNgDirective()) ? null : this.inputElement.getAttribute('value'); this.text = val; } }; DropDownList.prototype.wireEvent = function () { ej2_base_1.EventHandler.add(this.inputWrapper.container, 'mousedown', this.dropDownClick, this); ej2_base_1.EventHandler.add(this.inputWrapper.container, 'focus', this.focusIn, this); ej2_base_1.EventHandler.add(this.inputWrapper.container, 'keypress', this.onSearch, this); ej2_base_1.EventHandler.add(window, 'resize', this.windowResize, this); this.bindCommonEvent(); }; DropDownList.prototype.bindCommonEvent = function () { ej2_base_1.EventHandler.add(this.targetElement(), 'blur', this.onBlurHandler, this); var formElement = ej2_base_4.closest(this.inputElement, 'form'); if (formElement) { ej2_base_1.EventHandler.add(formElement, 'reset', this.resetValueHandler, this); } if (!ej2_base_3.Browser.isDevice) { this.keyboardModule = new ej2_base_1.KeyboardEvents(this.targetElement(), { keyAction: this.keyActionHandler.bind(this), keyConfigs: this.keyConfigure, eventName: 'keydown' }); } else { this.keyboardModule = new ej2_base_1.KeyboardEvents(this.targetElement(), { keyAction: this.mobileKeyActionHandler.bind(this), keyConfigs: this.keyConfigure, eventName: 'keydown' }); } this.bindClearEvent(); }; DropDownList.prototype.windowResize = function () { if (this.isPopupOpen) { this.popupObj.refreshPosition(this.inputWrapper.container); } }; DropDownList.prototype.bindClearEvent = function () { if (this.showClearButton) { ej2_base_1.EventHandler.add(this.inputWrapper.clearButton, 'mousedown', this.resetHandler, this); } }; DropDownList.prototype.unBindCommonEvent = function () { if (!ej2_base_2.isNullOrUndefined(this.inputWrapper) && this.targetElement()) { ej2_base_1.EventHandler.remove(this.targetElement(), 'blur', this.onBlurHandler); } var formElement = this.inputElement && ej2_base_4.closest(this.inputElement, 'form'); Iif (formElement) { ej2_base_1.EventHandler.remove(formElement, 'reset', this.resetValueHandler); } if (!ej2_base_3.Browser.isDevice) { this.keyboardModule.destroy(); } if (this.showClearButton) { ej2_base_1.EventHandler.remove(this.inputWrapper.clearButton, 'mousedown', this.resetHandler); } }; DropDownList.prototype.updateIconState = function () { if (this.showClearButton) { if (this.inputElement.value !== '' && !this.readonly) { ej2_base_4.removeClass([this.inputWrapper.clearButton], exports.dropDownListClasses.clearIconHide); } else { ej2_base_4.addClass([this.inputWrapper.clearButton], exports.dropDownListClasses.clearIconHide); } } }; DropDownList.prototype.wireListEvents = function () { if (!ej2_base_2.isNullOrUndefined(this.list)) { ej2_base_1.EventHandler.add(this.list, 'click', this.onMouseClick, this); ej2_base_1.EventHandler.add(this.list, 'mouseover', this.onMouseOver, this); ej2_base_1.EventHandler.add(this.list, 'mouseout', this.onMouseLeave, this); } }; DropDownList.prototype.onSearch = function (e) { Eif (e.charCode !== 32 && e.charCode !== 13) { if (this.list === undefined) { this.renderList(); } this.searchKeyEvent = e; this.onServerIncrementalSearch(e); } }; DropDownList.prototype.onServerIncrementalSearch = function (e) { if (!this.isRequested && !ej2_base_2.isNullOrUndefined(this.list) && !ej2_base_2.isNullOrUndefined(this.list.querySelector('li')) && this.enabled && !this.readonly) { this.incrementalSearch(e); } }; DropDownList.prototype.onMouseClick = function (e) { var target = e.target; this.keyboardEvent = null; var li = ej2_base_4.closest(target, '.' + drop_down_base_1.dropDownBaseClasses.li); if (!this.isValidLI(li)) { return; } this.setSelection(li, e); if (ej2_base_3.Browser.isDevice && this.isFilterLayout()) { history.back(); } else { var delay = 100; this.closePopup(delay, e); } }; DropDownList.prototype.onMouseOver = function (e) { var currentLi = ej2_base_4.closest(e.target, '.' + drop_down_base_1.dropDownBaseClasses.li); this.setHover(currentLi); }; DropDownList.prototype.setHover = function (li) { if (this.enabled && this.isValidLI(li) && !li.classList.contains(drop_down_base_1.dropDownBaseClasses.hover)) { this.removeHover(); ej2_base_4.addClass([li], drop_down_base_1.dropDownBaseClasses.hover); } }; DropDownList.prototype.onMouseLeave = function () { this.removeHover(); }; DropDownList.prototype.removeHover = function () { Eif (this.list) { var hoveredItem = this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.hover); if (hoveredItem && hoveredItem.length) { ej2_base_4.removeClass(hoveredItem, drop_down_base_1.dropDownBaseClasses.hover); } } }; DropDownList.prototype.isValidLI = function (li) { return (li && li.hasAttribute('role') && li.getAttribute('role') === 'option'); }; DropDownList.prototype.updateIncrementalItemIndex = function (startIndex, endIndex) { this.incrementalStartIndex = startIndex; this.incrementalEndIndex = endIndex; }; DropDownList.prototype.incrementalSearch = function (e) { Eif (this.liCollections.length > 0) { if (this.enableVirtualization) { var updatingincrementalindex = false; var queryStringUpdated = false; var activeElement = this.ulElement.getElementsByClassName('e-active')[0]; var currentValue = activeElement ? activeElement.textContent : null; if (this.incrementalQueryString == '') { this.incrementalQueryString = String.fromCharCode(e.charCode); this.incrementalPreQueryString = this.incrementalQueryString; } else Iif (String.fromCharCode(e.charCode).toLocaleLowerCase() == this.incrementalPreQueryString.toLocaleLowerCase()) { queryStringUpdated = true; } else { this.incrementalQueryString = String.fromCharCode(e.charCode); } if ((this.viewPortInfo.endIndex >= this.incrementalEndIndex && this.incrementalEndIndex <= this.totalItemCount) || this.incrementalEndIndex == 0) { updatingincrementalindex = true; this.incrementalStartIndex = this.incrementalEndIndex; Eif (this.incrementalEndIndex == 0) { this.incrementalEndIndex = 100 > this.totalItemCount ? this.totalItemCount : 100; } else { this.incrementalEndIndex = this.incrementalEndIndex + 100 > this.totalItemCount ? this.totalItemCount : this.incrementalEndIndex + 100; } this.updateIncrementalInfo(this.incrementalStartIndex, this.incrementalEndIndex); updatingincrementalindex = true; } if (this.viewPortInfo.startIndex !== 0 || updatingincrementalindex) { this.updateIncrementalView(0, this.itemCount); } var li = incremental_search_1.incrementalSearch(e.charCode, this.incrementalLiCollections, this.activeIndex, true, this.element.id, queryStringUpdated, currentValue, true); while (ej2_base_2.isNullOrUndefined(li) && this.incrementalEndIndex < this.totalItemCount) { this.updateIncrementalItemIndex(this.incrementalEndIndex, this.incrementalEndIndex + 100 > this.totalItemCount ? this.totalItemCount : this.incrementalEndIndex + 100); this.updateIncrementalInfo(this.incrementalStartIndex, this.incrementalEndIndex); updatingincrementalindex = true; Eif (this.viewPortInfo.startIndex !== 0 || updatingincrementalindex) { this.updateIncrementalView(0, this.itemCount); } li = incremental_search_1.incrementalSearch(e.charCode, this.incrementalLiCollections, 0, true, this.element.id, queryStringUpdated, currentValue, true, true); Iif (!ej2_base_2.isNullOrUndefined(li)) { break; } Eif (ej2_base_2.isNullOrUndefined(li) && this.incrementalEndIndex >= this.totalItemCount) { this.updateIncrementalItemIndex(0, 100 > this.totalItemCount ? this.totalItemCount : 100); break; } } Iif (ej2_base_2.isNullOrUndefined(li) && this.incrementalEndIndex >= this.totalItemCount) { this.updateIncrementalItemIndex(0, 100 > this.totalItemCount ? this.totalItemCount : 100); this.updateIncrementalInfo(this.incrementalStartIndex, this.incrementalEndIndex); updatingincrementalindex = true; if (this.viewPortInfo.startIndex !== 0 || updatingincrementalindex) { this.updateIncrementalView(0, this.itemCount); } li = incremental_search_1.incrementalSearch(e.charCode, this.incrementalLiCollections, 0, true, this.element.id, queryStringUpdated, currentValue, true, true); } var index = li && this.getIndexByValue(li.getAttribute('data-value')); if (!index) { for (var i = 0; i < this.incrementalLiCollections.length; i++) { Iif (!ej2_base_2.isNullOrUndefined(li) && !ej2_base_2.isNullOrUndefined(li.getAttribute('data-value')) && this.incrementalLiCollections[i].getAttribute('data-value') === li.getAttribute('data-value').toString()) { index = i; index = this.incrementalStartIndex + index; break; } } } else { index = index - this.skeletonCount; } Iif (index) { if ((!(this.viewPortInfo.startIndex >= index)) || (!(index >= this.viewPortInfo.endIndex))) { var startIndex = index - ((this.itemCount / 2) - 2) > 0 ? index - ((this.itemCount / 2) - 2) : 0; var endIndex = this.viewPortInfo.startIndex + this.itemCount > this.totalItemCount ? this.totalItemCount : this.viewPortInfo.startIndex + this.itemCount; this.updateIncrementalView(startIndex, endIndex); } } if (!ej2_base_2.isNullOrUndefined(li)) { var index_1 = this.getIndexByValue(li.getAttribute('data-value')) - this.skeletonCount; Iif (index_1 > this.itemCount / 2) { var startIndex = this.viewPortInfo.startIndex + ((this.itemCount / 2) - 2) < this.totalItemCount ? this.viewPortInfo.startIndex + ((this.itemCount / 2) - 2) : this.totalItemCount; var endIndex = this.viewPortInfo.startIndex + this.itemCount > this.totalItemCount ? this.totalItemCount : this.viewPortInfo.startIndex + this.itemCount; this.updateIncrementalView(startIndex, endIndex); } li = this.getElementByValue(li.getAttribute('data-value')); this.setSelection(li, e); this.setScrollPosition(); this.list.getElementsByClassName('e-virtual-ddl-content')[0].style = this.getTransformValues(); Iif (this.enableVirtualization && !this.fields.groupBy) { var selectedLiOffsetTop = this.virtualListInfo && this.virtualListInfo.startIndex ? this.selectedLI.offsetTop + (this.virtualListInfo.startIndex * this.selectedLI.offsetHeight) : this.selectedLI.offsetTop; this.list.scrollTop = selectedLiOffsetTop - (this.list.querySelectorAll('.e-virtual-list').length * this.selectedLI.offsetHeight); } this.incrementalPreQueryString = this.incrementalQueryString; } else { this.updateIncrementalView(0, this.itemCount); this.list.getElementsByClassName('e-virtual-ddl-content')[0].style = this.getTransformValues(); this.list.scrollTop = 0; } } else { var li = incremental_search_1.incrementalSearch(e.charCode, this.liCollections, this.activeIndex, true, this.element.id); if (!ej2_base_2.isNullOrUndefined(li)) { this.setSelection(li, e); this.setScrollPosition(); } } } }; DropDownList.prototype.hideSpinner = function () { Eif (!ej2_base_2.isNullOrUndefined(this.spinnerElement)) { ej2_popups_1.hideSpinner(this.spinnerElement); ej2_base_4.removeClass([this.spinnerElement], exports.dropDownListClasses.disableIcon); this.spinnerElement.innerHTML = ''; this.spinnerElement = null; } }; DropDownList.prototype.showSpinner = function () { if (ej2_base_2.isNullOrUndefined(this.spinnerElement)) { this.spinnerElement = ej2_base_3.Browser.isDevice && !ej2_base_2.isNullOrUndefined(this.filterInputObj) && this.filterInputObj.buttons[1] || !ej2_base_2.isNullOrUndefined(this.filterInputObj) && this.filterInputObj.buttons[0] || this.inputWrapper.buttons[0]; ej2_base_4.addClass([this.spinnerElement], exports.dropDownListClasses.disableIcon); ej2_popups_1.createSpinner({ target: this.spinnerElement, width: ej2_base_3.Browser.isDevice ? '16px' : '14px' }, this.createElement); ej2_popups_1.showSpinner(this.spinnerElement); } }; DropDownList.prototype.keyActionHandler = function (e) { Iif (!this.enabled) { return; } this.keyboardEvent = e; if (this.isPreventKeyAction && this.enableVirtualization) { e.preventDefault(); } var preventAction = e.action === 'pageUp' || e.action === 'pageDown'; var preventHomeEnd = this.getModuleName() !== 'dropdownlist' && (e.action === 'home' || e.action === 'end'); this.isEscapeKey = e.action === 'escape'; this.isTabKey = !this.isPopupOpen && e.action === 'tab'; var isNavigation = (e.action === 'down' || e.action === 'up' || e.action === 'pageUp' || e.action === 'pageDown' || e.action === 'home' || e.action === 'end'); if ((this.isEditTextBox() || preventAction || preventHomeEnd) && !this.isPopupOpen) { return; } if (!this.readonly) { var isTabAction = e.action === 'tab' || e.action === 'close'; if (ej2_base_2.isNullOrUndefined(this.list) && !this.isRequested && !isTabAction && e.action !== 'escape') { this.searchKeyEvent = e; Eif (!this.enableVirtualization || (this.enableVirtualization && this.getModuleName() !== 'autocomplete' && e.type !== 'mousedown' && (e.keyCode === 40 || e.keyCode === 38))) { this.renderList(e); this.UpdateSkeleton(); this.liCollections = this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.li); this.ulElement = this.list.querySelector('ul'); } } if (ej2_base_2.isNullOrUndefined(this.list) || (!ej2_base_2.isNullOrUndefined(this.liCollections) && isNavigation && this.liCollections.length === 0) || this.isRequested) { return; } if ((isTabAction && this.getModuleName() !== 'autocomplete') && this.isPopupOpen || e.action === 'escape') { e.preventDefault(); } this.isSelected = e.action === 'escape' ? false : this.isSelected; this.isTyped = (isNavigation || e.action === 'escape') ? false : this.isTyped; switch (e.action) { case 'down': case 'up': this.updateUpDownAction(e); break; case 'pageUp': this.pageUpSelection(this.activeIndex - this.getPageCount(), e); e.preventDefault(); break; case 'pageDown': this.pageDownSelection(this.activeIndex + this.getPageCount(), e); e.preventDefault(); break; case 'home': this.isMouseScrollAction = true; this.updateHomeEndAction(e); break; case 'end': this.isMouseScrollAction = true; this.updateHomeEndAction(e); break; case 'space': Eif (this.getModuleName() === 'dropdownlist') { if (!this.beforePopupOpen) { this.showPopup(); e.preventDefault(); } } break; case 'open': this.showPopup(e); break; case 'hide': this.preventAltUp = this.isPopupOpen; this.hidePopup(e); this.focusDropDown(e); break; case 'enter': this.selectCurrentItem(e); break; case 'tab': this.selectCurrentValueOnTab(e); break; case 'escape': case 'close': if (this.isPopupOpen) { this.hidePopup(e); this.focusDropDown(e); } break; } } }; DropDownList.prototype.updateUpDownAction = function (e, isVirtualKeyAction) { if (this.allowFiltering && !this.enableVirtualization && this.getModuleName() !== 'autocomplete') { var value_1 = this.getItemData().value; if (ej2_base_2.isNullOrUndefined(value_1)) { value_1 = 'null'; } var filterIndex = this.getIndexByValue(value_1); if (!ej2_base_2.isNullOrUndefined(filterIndex)) { this.activeIndex = filterIndex; } } var focusEle = this.list.querySelector('.' + exports.dropDownListClasses.focus); if (this.isSelectFocusItem(focusEle) && !isVirtualKeyAction) { this.setSelection(focusEle, e); if (this.enableVirtualization) { var selectedLiOffsetTop = this.virtualListInfo && this.virtualListInfo.startIndex ? this.selectedLI.offsetTop + (this.virtualListInfo.startIndex * this.selectedLI.offsetHeight) : this.selectedLI.offsetTop; if (this.fields.groupBy) { selectedLiOffsetTop = this.virtualListInfo && this.virtualListInfo.startIndex == 0 ? this.selectedLI.offsetHeight - selectedLiOffsetTop : selectedLiOffsetTop - this.selectedLI.offsetHeight; } this.list.scrollTop = selectedLiOffsetTop - (this.list.querySelectorAll('.e-virtual-list').length * this.selectedLI.offsetHeight); } } else Eif (!ej2_base_2.isNullOrUndefined(this.liCollections)) { var virtualIndex = this.activeIndex; var index = e.action === 'down' ? this.activeIndex + 1 : this.activeIndex - 1; index = isVirtualKeyAction ? virtualIndex : index; var startIndex = 0; if (this.getModuleName() === 'autocomplete') { startIndex = e.action === 'down' && ej2_base_2.isNullOrUndefined(this.activeIndex) ? 0 : this.liCollections.length - 1; index = index < 0 ? this.liCollections.length - 1 : index === this.liCollections.length ? 0 : index; } var nextItem = void 0; if (this.getModuleName() !== 'autocomplete' || this.getModuleName() === 'autocomplete' && this.isPopupOpen) { if (!this.enableVirtualization) { nextItem = ej2_base_2.isNullOrUndefined(this.activeIndex) ? this.liCollections[startIndex] : this.liCollections[index]; } else { if (!isVirtualKeyAction) { nextItem = ej2_base_2.isNullOrUndefined(this.activeIndex) ? this.liCollections[this.skeletonCount] : this.liCollections[index]; nextItem = !ej2_base_2.isNullOrUndefined(nextItem) && !nextItem.classList.contains('e-virtual-list') ? nextItem : null; } else { if (this.getModuleName() === 'autocomplete') { var value = this.getFormattedValue(this.selectedLI.getAttribute('data-value')); nextItem = this.getElementByValue(value); } else { nextItem = this.getElementByValue(this.getItemData().value); } } } } if (!ej2_base_2.isNullOrUndefined(nextItem)) { var focusAtFirstElement = this.liCollections[this.skeletonCount] && this.liCollections[this.skeletonCount].classList.contains('e-item-focus'); this.setSelection(nextItem, e); if (focusAtFirstElement && this.enableVirtualization && this.getModuleName() === 'autocomplete' && !isVirtualKeyAction) { var selectedLiOffsetTop = this.virtualListInfo && this.virtualListInfo.startIndex ? this.selectedLI.offsetTop + (this.virtualListInfo.startIndex * this.selectedLI.offsetHeight) : this.selectedLI.offsetTop; selectedLiOffsetTop = this.virtualListInfo && this.virtualListInfo.startIndex == 0 && this.fields.groupBy ? this.selectedLI.offsetHeight - selectedLiOffsetTop : selectedLiOffsetTop - this.selectedLI.offsetHeight; this.list.scrollTop = selectedLiOffsetTop - (this.list.querySelectorAll('.e-virtual-list').length * this.selectedLI.offsetHeight); } } else if (this.enableVirtualization && !this.isPopupOpen && this.getModuleName() !== 'autocomplete' && ((this.viewPortInfo.endIndex !== this.totalItemCount && e.action === 'down') || (this.viewPortInfo.startIndex !== 0 && e.action === 'up'))) { Eif (e.action === 'down') { this.viewPortInfo.startIndex = (this.viewPortInfo.startIndex + this.itemCount) < (this.totalItemCount - this.itemCount) ? this.viewPortInfo.startIndex + this.itemCount : this.totalItemCount - this.itemCount; this.viewPortInfo.endIndex = this.viewPortInfo.startIndex + this.itemCount; this.updateVirtualItemIndex(); this.isCustomFilter = this.getModuleName() === 'combobox' ? true : this.isCustomFilter; this.resetList(this.dataSource, this.fields, this.query); this.isCustomFilter = this.getModuleName() === 'combobox' ? false : this.isCustomFilter; var value_2 = this.liCollections[0].getAttribute('data-value') !== "null" ? this.getFormattedValue(this.liCollections[0].getAttribute('data-value')) : null; var selectedData = this.getDataByValue(value_2); Eif (selectedData) { this.itemData = selectedData; } } else if (e.action === 'up') { this.viewPortInfo.startIndex = (this.viewPortInfo.startIndex - this.itemCount) > 0 ? this.viewPortInfo.startIndex - this.itemCount : 0; this.viewPortInfo.endIndex = this.viewPortInfo.startIndex + this.itemCount; this.updateVirtualItemIndex(); this.isCustomFilter = this.getModuleName() === 'combobox' ? true : this.isCustomFilter; this.resetList(this.dataSource, this.fields, this.query); this.isCustomFilter = this.getModuleName() === 'combobox' ? false : this.isCustomFilter; var value_3 = this.liCollections[this.liCollections.length - 1].getAttribute('data-value') !== "null" ? this.getFormattedValue(this.liCollections[this.liCollections.length - 1].getAttribute('data-value')) : null; var selectedData = this.getDataByValue(value_3); if (selectedData) { this.itemData = selectedData; } } this.UpdateSkeleton(); this.liCollections = this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.li); this.ulElement = this.list.querySelector('ul'); this.handleVirtualKeyboardActions(e, this.pageCount); } } if (this.allowFiltering && !this.enableVirtualization && this.getModuleName() !== 'autocomplete') { var value_4 = this.getItemData().value; var filterIndex = this.getIndexByValueFilter(value_4); if (!ej2_base_2.isNullOrUndefined(filterIndex)) { this.activeIndex = filterIndex; } } if (this.allowFiltering && this.getModuleName() === 'dropdownlist' && this.filterInput) { Iif (!ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-item-focus')[0])) { ej2_base_2.attributes(this.filterInput, { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-item-focus')[0].id }); } else Eif (!ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-active')[0])) { ej2_base_2.attributes(this.filterInput, { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-active')[0].id }); } } e.preventDefault(); }; DropDownList.prototype.updateHomeEndAction = function (e, isVirtualKeyAction) { if (this.getModuleName() === 'dropdownlist') { var findLi = 0; if (e.action === 'home') { findLi = 0; if (this.enableVirtualization && this.isPopupOpen) { findLi = this.skeletonCount; } else Iif (this.enableVirtualization && !this.isPopupOpen && this.viewPortInfo.startIndex !== 0) { this.viewPortInfo.startIndex = 0; this.viewPortInfo.endIndex = this.itemCount; this.updateVirtualItemIndex(); this.resetList(this.dataSource, this.fields, this.query); } } else { Iif (this.enableVirtualization && !this.isPopupOpen && this.viewPortInfo.endIndex !== this.totalItemCount) { this.viewPortInfo.startIndex = this.totalItemCount - this.itemCount; this.viewPortInfo.endIndex = this.totalItemCount; this.updateVirtualItemIndex(); this.resetList(this.dataSource, this.fields, this.query); } findLi = this.getItems().length - 1; } e.preventDefault(); if (this.activeIndex === findLi) { Iif (isVirtualKeyAction) { this.setSelection(this.liCollections[findLi], e); } return; } this.setSelection(this.liCollections[findLi], e); } }; DropDownList.prototype.selectCurrentValueOnTab = function (e) { Iif (this.getModuleName() === 'autocomplete') { this.selectCurrentItem(e); } else { if (this.isPopupOpen) { this.hidePopup(e); this.focusDropDown(e); } } }; DropDownList.prototype.mobileKeyActionHandler = function (e) { Iif (!this.enabled) { return; } Iif ((this.isEditTextBox()) && !this.isPopupOpen) { return; } Eif (!this.readonly) { Iif (this.list === undefined && !this.isRequested) { this.searchKeyEvent = e; this.renderList(); } Iif (ej2_base_2.isNullOrUndefined(this.list) || (!ej2_base_2.isNullOrUndefined(this.liCollections) && this.liCollections.length === 0) || this.isRequested) { return; } Eif (e.action === 'enter') { this.selectCurrentItem(e); } } }; DropDownList.prototype.handleVirtualKeyboardActions = function (e, pageCount) { switch (e.action) { case 'down': case 'up': Eif (this.itemData != null || this.getModuleName() === 'autocomplete') { this.updateUpDownAction(e, true); } break; case 'pageUp': this.activeIndex = this.getModuleName() === 'autocomplete' ? this.getIndexByValue(this.selectedLI.getAttribute('data-value')) + this.getPageCount() - 1 : this.getIndexByValue(this.previousValue); this.pageUpSelection(this.activeIndex - this.getPageCount(), e, true); e.preventDefault(); break; case 'pageDown': this.activeIndex = this.getModuleName() === 'autocomplete' ? this.getIndexByValue(this.selectedLI.getAttribute('data-value')) - this.getPageCount() : this.getIndexByValue(this.previousValue); this.pageDownSelection(!ej2_base_2.isNullOrUndefined(this.activeIndex) ? (this.activeIndex + this.getPageCount()) : (2 * this.getPageCount()), e, true); e.preventDefault(); break; case 'home': this.isMouseScrollAction = true; this.updateHomeEndAction(e, true); break; case 'end': this.isMouseScrollAction = true; this.updateHomeEndAction(e, true); break; } this.keyboardEvent = null; }; DropDownList.prototype.selectCurrentItem = function (e) { if (this.isPopupOpen) { var li = this.list.querySelector('.' + exports.dropDownListClasses.focus); if (li) { this.setSelection(li, e); this.isTyped = false; } if (this.isSelected) { this.isSelectCustom = false; this.onChangeEvent(e); } this.hidePopup(e); this.focusDropDown(e); } else { this.showPopup(); } }; DropDownList.prototype.isSelectFocusItem = function (element) { return !ej2_base_2.isNullOrUndefined(element); }; DropDownList.prototype.pageUpSelection = function (steps, event, isVirtualKeyAction) { var previousItem = steps >= 0 ? this.liCollections[steps + 1] : this.liCollections[0]; Iif ((this.enableVirtualization && this.activeIndex == null)) { previousItem = (this.liCollections.length >= steps && steps >= 0) ? this.liCollections[steps + this.skeletonCount + 1] : this.liCollections[0]; } if (!ej2_base_2.isNullOrUndefined(previousItem) && previousItem.classList.contains('e-virtual-list')) { previousItem = this.liCollections[this.skeletonCount]; } this.PageUpDownSelection(previousItem, event); Iif (this.allowFiltering && this.getModuleName() === 'dropdownlist') { if (!ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-item-focus')[0])) { ej2_base_2.attributes(this.filterInput, { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-item-focus')[0].id }); } else if (!ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-active')[0])) { ej2_base_2.attributes(this.filterInput, { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-active')[0].id }); } } }; DropDownList.prototype.PageUpDownSelection = function (previousItem, event) { if (this.enableVirtualization) { Eif (!ej2_base_2.isNullOrUndefined(previousItem) && ((this.getModuleName() !== 'autocomplete' && !previousItem.classList.contains('e-active')) || (this.getModuleName() === 'autocomplete' && !previousItem.classList.contains('e-item-focus')))) { this.setSelection(previousItem, event); } } else { this.setSelection(previousItem, event); } }; DropDownList.prototype.pageDownSelection = function (steps, event, isVirtualKeyAction) { var list = this.getItems(); var previousItem = steps <= list.length ? this.liCollections[steps - 1] : this.liCollections[list.length - 1]; if (this.enableVirtualization && this.skeletonCount > 0) { steps = this.getModuleName() === 'dropdownlist' && this.allowFiltering ? steps + 1 : steps; previousItem = steps < list.length ? this.liCollections[steps] : this.liCollections[list.length - 1]; } Iif ((this.enableVirtualization && this.activeIndex == null)) { previousItem = steps <= list.length ? this.liCollections[steps + this.skeletonCount - 1] : this.liCollections[list.length - 1]; } this.PageUpDownSelection(previousItem, event); Iif (this.allowFiltering && this.getModuleName() === 'dropdownlist') { if (!ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-item-focus')[0])) { ej2_base_2.attributes(this.filterInput, { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-item-focus')[0].id }); } else if (!ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-active')[0])) { ej2_base_2.attributes(this.filterInput, { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-active')[0].id }); } } }; DropDownList.prototype.unWireEvent = function () { if (!ej2_base_2.isNullOrUndefined(this.inputWrapper)) { ej2_base_1.EventHandler.remove(this.inputWrapper.container, 'mousedown', this.dropDownClick); ej2_base_1.EventHandler.remove(this.inputWrapper.container, 'keypress', this.onSearch); ej2_base_1.EventHandler.remove(this.inputWrapper.container, 'focus', this.focusIn); ej2_base_1.EventHandler.remove(window, 'resize', this.windowResize); } this.unBindCommonEvent(); }; DropDownList.prototype.unWireListEvents = function () { if (this.list) { ej2_base_1.EventHandler.remove(this.list, 'click', this.onMouseClick); ej2_base_1.EventHandler.remove(this.list, 'mouseover', this.onMouseOver); ej2_base_1.EventHandler.remove(this.list, 'mouseout', this.onMouseLeave); } }; DropDownList.prototype.checkSelector = function (id) { return '[id="' + id.replace(/(:|\.|\[|\]|,|=|@|\\|\/|#)/g, '\\$1') + '"]'; }; DropDownList.prototype.onDocumentClick = function (e) { var target = e.target; if (!(!ej2_base_2.isNullOrUndefined(this.popupObj) && ej2_base_4.closest(target, this.checkSelector(this.popupObj.element.id))) && !ej2_base_2.isNullOrUndefined(this.inputWrapper) && !this.inputWrapper.container.contains(e.target)) { if (this.inputWrapper.container.classList.contains(exports.dropDownListClasses.inputFocus) || this.isPopupOpen) { this.isDocumentClick = true; var isActive = this.isRequested; Iif (this.getModuleName() === 'combobox' && this.isTyped) { this.isInteracted = false; } this.hidePopup(e); this.isInteracted = false; Eif (!isActive) { this.onFocusOut(e); this.inputWrapper.container.classList.remove(exports.dropDownListClasses.inputFocus); } } } else if (target !== this.inputElement && !(this.allowFiltering && target === this.filterInput) && !(this.getModuleName() === 'combobox' && !this.allowFiltering && ej2_base_3.Browser.isDevice && target === this.inputWrapper.buttons[0])) { this.isPreventBlur = (ej2_base_3.Browser.isIE || ej2_base_3.Browser.info.name === 'edge') && (document.activeElement === this.targetElement() || document.activeElement === this.filterInput); e.preventDefault(); } }; DropDownList.prototype.activeStateChange = function () { Iif (this.isDocumentClick) { this.hidePopup(); this.onFocusOut(); this.inputWrapper.container.classList.remove(exports.dropDownListClasses.inputFocus); } }; DropDownList.prototype.focusDropDown = function (e) { if (!this.initial && this.isFilterLayout()) { this.focusIn(e); } }; DropDownList.prototype.dropDownClick = function (e) { if (e.which === 3 || e.button === 2) { return; } this.keyboardEvent = null; if (this.targetElement().classList.contains(exports.dropDownListClasses.disable) || this.inputWrapper.clearButton === e.target) { return; } var target = e.target; if (target !== this.inputElement && !(this.allowFiltering && target === this.filterInput) && this.getModuleName() !== 'combobox') { e.preventDefault(); } if (!this.readonly) { if (this.isPopupOpen) { this.hidePopup(e); if (this.isFilterLayout()) { this.focusDropDown(e); } } else { this.focusIn(e); this.floatLabelChange(); this.queryString = this.inputElement.value.trim() === '' ? null : this.inputElement.value; this.isDropDownClick = true; this.showPopup(e); } var proxy_1 = this; var duration = (this.element.tagName === this.getNgDirective() && this.itemTemplate) ? 500 : 100; if (!this.isSecondClick) { setTimeout(function () { proxy_1.cloneElements(); proxy_1.isSecondClick = true; }, duration); } } else { this.focusIn(e); } }; DropDownList.prototype.cloneElements = function () { if (this.list) { var ulElement = this.list.querySelector('ul'); if (ulElement) { ulElement = ulElement.cloneNode ? ulElement.cloneNode(true) : ulElement; this.actionCompleteData.ulElement = ulElement; } } }; DropDownList.prototype.updateSelectedItem = function (li, e, preventSelect, isSelection) { var _this = this; this.removeSelection(); li.classList.add(drop_down_base_1.dropDownBaseClasses.selected); this.removeHover(); var value = li.getAttribute('data-value') !== "null" ? this.getFormattedValue(li.getAttribute('data-value')) : null; var selectedData = this.getDataByValue(value); if (!this.initial && !preventSelect && !ej2_base_2.isNullOrUndefined(e)) { var items = this.detachChanges(selectedData); this.isSelected = true; var eventArgs = { e: e, item: li, itemData: items, isInteracted: e ? true : false, cancel: false }; this.trigger('select', eventArgs, function (eventArgs) { if (eventArgs.cancel) { li.classList.remove(drop_down_base_1.dropDownBaseClasses.selected); } else { _this.selectEventCallback(li, e, preventSelect, selectedData, value); Eif (isSelection) { _this.setSelectOptions(li, e); } } }); } else { this.selectEventCallback(li, e, preventSelect, selectedData, value); if (isSelection) { this.setSelectOptions(li, e); } } }; DropDownList.prototype.selectEventCallback = function (li, e, preventSelect, selectedData, value) { this.previousItemData = (!ej2_base_2.isNullOrUndefined(this.itemData)) ? this.itemData : null; if (this.itemData != selectedData) { this.previousValue = (!ej2_base_2.isNullOrUndefined(this.itemData)) ? typeof this.itemData == "object" && !this.allowObjectBinding ? this.checkFieldValue(this.itemData, this.fields.value.split('.')) : this.itemData : null; } this.item = li; this.itemData = selectedData; var focusedItem = this.list.querySelector('.' + drop_down_base_1.dropDownBaseClasses.focus); if (focusedItem) { ej2_base_4.removeClass([focusedItem], drop_down_base_1.dropDownBaseClasses.focus); } li.setAttribute('aria-selected', 'true'); Iif (ej2_base_2.isNullOrUndefined(value)) { value = 'null'; } if (this.allowFiltering && !this.enableVirtualization && this.getModuleName() !== 'autocomplete') { var filterIndex = this.getIndexByValueFilter(value); if (!ej2_base_2.isNullOrUndefined(filterIndex)) { this.activeIndex = filterIndex; } else { this.activeIndex = this.getIndexByValue(value); } } else { if (this.enableVirtualization && this.activeIndex == null && this.dataSource instanceof ej2_data_1.DataManager) { this.UpdateSkeleton(); this.liCollections = this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.li); this.ulElement = this.list.querySelector('ul'); } this.activeIndex = this.getIndexByValue(value); } }; DropDownList.prototype.activeItem = function (li) { if (this.isValidLI(li) && !li.classList.contains(drop_down_base_1.dropDownBaseClasses.selected)) { this.removeSelection(); li.classList.add(drop_down_base_1.dropDownBaseClasses.selected); this.removeHover(); li.setAttribute('aria-selected', 'true'); } }; DropDownList.prototype.setValue = function (e) { var dataItem = this.getItemData(); if (dataItem.value === null) { ej2_inputs_1.Input.setValue(null, this.inputElement, this.floatLabelType, this.showClearButton); } else { ej2_inputs_1.Input.setValue(dataItem.text, this.inputElement, this.floatLabelType, this.showClearButton); } if (this.valueTemplate && this.itemData !== null) { this.setValueTemplate(); } else if (!ej2_base_2.isNullOrUndefined(this.valueTempElement) && this.inputElement.previousSibling === this.valueTempElement) { ej2_base_4.detach(this.valueTempElement); this.inputElement.style.display = 'block'; } if (!ej2_base_2.isNullOrUndefined(dataItem.value) && !this.enableVirtualization && this.allowFiltering) { this.activeIndex = this.getIndexByValueFilter(dataItem.value); } var clearIcon = exports.dropDownListClasses.clearIcon; var isFilterElement = this.isFiltering() && this.filterInput && (this.getModuleName() === 'combobox'); var clearElement = isFilterElement && this.filterInput.parentElement.querySelector('.' + clearIcon); if (this.isFiltering() && clearElement) { clearElement.style.removeProperty('visibility'); } if ((!this.allowObjectBinding && (this.previousValue === dataItem.value)) || (this.allowObjectBinding && (this.previousValue != null && this.isObjectInArray(this.previousValue, [this.allowCustom && this.isObjectCustomValue ? this.value ? this.value : dataItem : dataItem.value ? this.getDataByValue(dataItem.value) : dataItem])))) { this.isSelected = false; return true; } else { this.isSelected = !this.initial ? true : false; this.isSelectCustom = false; if (this.getModuleName() === 'dropdownlist') { this.updateIconState(); } return false; } }; DropDownList.prototype.setSelection = function (li, e) { if (this.isValidLI(li) && (!li.classList.contains(drop_down_base_1.dropDownBaseClasses.selected) || (this.isPopupOpen && this.isSelected && li.classList.contains(drop_down_base_1.dropDownBaseClasses.selected)))) { this.updateSelectedItem(li, e, false, true); } else { this.setSelectOptions(li, e); if (this.enableVirtualization && this.value) { var fields = (this.fields.value) ? this.fields.value : ''; var currentValue = this.allowObjectBinding && !ej2_base_2.isNullOrUndefined(this.value) ? ej2_base_2.getValue((this.fields.value) ? this.fields.value : '', this.value) : this.value; Iif (this.dataSource instanceof ej2_data_1.DataManager) { var getItem = new ej2_data_1.DataManager(this.virtualGroupDataSource).executeLocal(new ej2_data_1.Query().where(new ej2_data_1.Predicate(fields, 'equal', currentValue))); if (getItem && getItem.length > 0) { this.itemData = getItem[0]; var dataItem = this.getItemData(); var value = this.allowObjectBinding ? this.getDataByValue(dataItem.value) : dataItem.value; if ((this.value === dataItem.value && this.text !== dataItem.text) || (this.value !== dataItem.value && this.text === dataItem.text)) { this.setProperties({ 'text': dataItem.text, 'value': value }); } } } else { var getItem = new ej2_data_1.DataManager(this.dataSource).executeLocal(new ej2_data_1.Query().where(new ej2_data_1.Predicate(fields, 'equal', currentValue))); Eif (getItem && getItem.length > 0) { this.itemData = getItem[0]; var dataItem = this.getItemData(); var value = this.allowObjectBinding ? this.getDataByValue(dataItem.value) : dataItem.value; Iif ((this.value === dataItem.value && this.text !== dataItem.text) || (this.value !== dataItem.value && this.text === dataItem.text)) { this.setProperties({ 'text': dataItem.text, 'value': value }); } } } } } }; DropDownList.prototype.setSelectOptions = function (li, e) { if (this.list) { this.removeHover(); } this.previousSelectedLI = (!ej2_base_2.isNullOrUndefined(this.selectedLI)) ? this.selectedLI : null; this.selectedLI = li; if (this.setValue(e)) { return; } if ((!this.isPopupOpen && !ej2_base_2.isNullOrUndefined(li)) || (this.isPopupOpen && !ej2_base_2.isNullOrUndefined(e) && (e.type !== 'keydown' || e.type === 'keydown' && e.action === 'enter'))) { this.isSelectCustom = false; this.onChangeEvent(e); } if (this.isPopupOpen && !ej2_base_2.isNullOrUndefined(this.selectedLI) && this.itemData !== null && (!e || e.type !== 'click')) { this.setScrollPosition(e); } Eif (ej2_base_3.Browser.info.name !== 'mozilla') { Eif (this.targetElement()) { ej2_base_2.attributes(this.targetElement(), { 'aria-describedby': this.inputElement.id !== '' ? this.inputElement.id : this.element.id }); this.targetElement().removeAttribute('aria-live'); } } if (this.isPopupOpen && !ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-item-focus')[0])) { ej2_base_2.attributes(this.targetElement(), { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-item-focus')[0].id }); } else if (this.isPopupOpen && !ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-active')[0])) { ej2_base_2.attributes(this.targetElement(), { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-active')[0].id }); } }; DropDownList.prototype.dropdownCompiler = function (dropdownTemplate) { var checkTemplate = false; Eif (typeof dropdownTemplate !== 'function' && dropdownTemplate) { try { checkTemplate = (document.querySelectorAll(dropdownTemplate).length) ? true : false; } catch (exception) { checkTemplate = false; } } return checkTemplate; }; DropDownList.prototype.setValueTemplate = function () { var compiledString; Iif (this.isReact) { this.clearTemplate(['valueTemplate']); if (this.valueTempElement) { ej2_base_4.detach(this.valueTempElement); this.inputElement.style.display = 'block'; this.valueTempElement = null; } } if (!this.valueTempElement) { this.valueTempElement = this.createElement('span', { className: exports.dropDownListClasses.value }); this.inputElement.parentElement.insertBefore(this.valueTempElement, this.inputElement); this.inputElement.style.display = 'none'; } Eif (!this.isReact) { this.valueTempElement.innerHTML = ''; } var valuecheck = this.dropdownCompiler(this.valueTemplate); Iif (typeof this.valueTemplate !== 'function' && valuecheck) { compiledString = ej2_base_1.compile(document.querySelector(this.valueTemplate).innerHTML.trim()); } else { compiledString = ej2_base_1.compile(this.valueTemplate); } var valueCompTemp = compiledString(this.itemData, this, 'valueTemplate', this.valueTemplateId, this.isStringTemplate, null, this.valueTempElement); Eif (valueCompTemp && valueCompTemp.length > 0) { ej2_base_1.append(valueCompTemp, this.valueTempElement); } this.renderReactTemplates(); }; DropDownList.prototype.removeSelection = function () { if (this.list) { var selectedItems = this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.selected); if (selectedItems.length) { ej2_base_4.removeClass(selectedItems, drop_down_base_1.dropDownBaseClasses.selected); selectedItems[0].removeAttribute('aria-selected'); } } }; DropDownList.prototype.getItemData = function () { var fields = this.fields; var dataItem = null; dataItem = this.itemData; var dataValue; var dataText; if (!ej2_base_2.isNullOrUndefined(dataItem)) { dataValue = ej2_base_2.getValue(fields.value, dataItem); dataText = ej2_base_2.getValue(fields.text, dataItem); } var value = (!ej2_base_2.isNullOrUndefined(dataItem) && !ej2_base_2.isUndefined(dataValue) ? dataValue : dataItem); var text = (!ej2_base_2.isNullOrUndefined(dataItem) && !ej2_base_2.isUndefined(dataValue) ? dataText : dataItem); return { value: value, text: text }; }; DropDownList.prototype.onChangeEvent = function (eve, isCustomValue) { var _this = this; var dataItem = this.getItemData(); var index = this.isSelectCustom ? null : this.activeIndex; if (this.enableVirtualization) { var datas = this.dataSource instanceof ej2_data_1.DataManager ? this.virtualGroupDataSource : this.dataSource; if (dataItem.value && datas && datas.length > 0) { var foundIndex = datas.findIndex(function (data) { return !ej2_base_2.isNullOrUndefined(dataItem.value) && ej2_base_2.getValue(_this.fields.value, data) === dataItem.value; }); Eif (foundIndex !== -1) { index = foundIndex; } } } var value = this.allowObjectBinding ? isCustomValue ? this.value : this.getDataByValue(dataItem.value) : dataItem.value; this.setProperties({ 'index': index, 'text': dataItem.text, 'value': value }, true); this.detachChangeEvent(eve); }; DropDownList.prototype.detachChanges = function (value) { var items; if (typeof value === 'string' || typeof value === 'boolean' || typeof value === 'number') { items = Object.defineProperties({}, { value: { value: value, enumerable: true }, text: { value: value, enumerable: true } }); } else { items = value; } return items; }; DropDownList.prototype.detachChangeEvent = function (eve) { this.isSelected = false; this.previousValue = this.value; this.activeIndex = this.enableVirtualization ? this.getIndexByValue(this.value) : this.index; this.typedString = !ej2_base_2.isNullOrUndefined(this.text) ? this.text : ''; if (!this.initial) { var items = this.detachChanges(this.itemData); var preItems = void 0; if (typeof this.previousItemData === 'string' || typeof this.previousItemData === 'boolean' || typeof this.previousItemData === 'number') { preItems = Object.defineProperties({}, { value: { value: this.previousItemData, enumerable: true }, text: { value: this.previousItemData, enumerable: true } }); } else { preItems = this.previousItemData; } this.setHiddenValue(); var eventArgs = { e: eve, item: this.item, itemData: items, previousItem: this.previousSelectedLI, previousItemData: preItems, isInteracted: eve ? true : false, value: this.value, element: this.element, event: eve }; Iif (this.isAngular && this.preventChange) { this.preventChange = false; } else { this.trigger('change', eventArgs); } } if ((ej2_base_2.isNullOrUndefined(this.value) || this.value === '') && this.floatLabelType !== 'Always') { ej2_base_4.removeClass([this.inputWrapper.container], 'e-valid-input'); } }; DropDownList.prototype.setHiddenValue = function () { if (!ej2_base_2.isNullOrUndefined(this.value)) { var value = this.allowObjectBinding && !ej2_base_2.isNullOrUndefined(this.value) ? ej2_base_2.getValue((this.fields.value) ? this.fields.value : '', this.value) : this.value; if (this.hiddenElement.querySelector('option')) { var selectedElement = this.hiddenElement.querySelector('option'); selectedElement.textContent = this.text; selectedElement.setAttribute('value', value.toString()); } else { Eif (!ej2_base_2.isNullOrUndefined(this.hiddenElement)) { this.hiddenElement.innerHTML = '<option selected>' + this.text + '</option>'; var selectedElement = this.hiddenElement.querySelector('option'); selectedElement.setAttribute('value', value.toString()); } } } else { this.hiddenElement.innerHTML = ''; } }; DropDownList.prototype.onFilterUp = function (e) { if (!(e.ctrlKey && e.keyCode === 86) && (this.isValidKey || e.keyCode === 40 || e.keyCode === 38)) { this.isValidKey = false; this.firstItem = this.dataSource && this.dataSource.length > 0 ? this.dataSource[0] : null; switch (e.keyCode) { case 38: case 40: if (this.getModuleName() === 'autocomplete' && !this.isPopupOpen && !this.preventAltUp && !this.isRequested) { this.preventAutoFill = true; this.searchLists(e); } else { this.preventAutoFill = false; } this.preventAltUp = false; Iif (this.getModuleName() === 'autocomplete' && !ej2_base_2.isNullOrUndefined(this.ulElement) && !ej2_base_2.isNullOrUndefined(this.ulElement.getElementsByClassName('e-item-focus')[0])) { ej2_base_2.attributes(this.targetElement(), { 'aria-activedescendant': this.ulElement.getElementsByClassName('e-item-focus')[0].id }); } e.preventDefault(); break; case 46: case 8: this.typedString = this.filterInput.value; if (!this.isPopupOpen && this.typedString !== '' || this.isPopupOpen && this.queryString.length > 0) { this.preventAutoFill = true; this.searchLists(e); } else if (this.typedString === '' && this.queryString === '' && this.getModuleName() !== 'autocomplete') { this.preventAutoFill = true; this.searchLists(e); } else Eif (this.typedString === '') { Eif (this.list) { this.resetFocusElement(); } this.activeIndex = null; Eif (this.getModuleName() !== 'dropdownlist') { this.preventAutoFill = true; this.searchLists(e); Eif (this.getModuleName() === 'autocomplete') { this.hidePopup(); } } } e.preventDefault(); break; default: if (this.isFiltering() && this.getModuleName() === 'combobox' && ej2_base_2.isNullOrUndefined(this.list)) { this.getInitialData = true; this.renderList(); } this.typedString = this.filterInput.value; this.preventAutoFill = false; this.searchLists(e); if ((this.enableVirtualization && this.getModuleName() !== 'autocomplete') || (this.getModuleName() === 'autocomplete' && !(this.dataSource instanceof ej2_data_1.DataManager)) || (this.getModuleName() === 'autocomplete' && (this.dataSource instanceof ej2_data_1.DataManager) && this.totalItemCount != 0)) { this.getFilteringSkeletonCount(); } break; } } else { this.isValidKey = false; } }; DropDownList.prototype.onFilterDown = function (e) { switch (e.keyCode) { case 13: break; case 40: case 38: this.queryString = this.filterInput.value; e.preventDefault(); break; case 9: Iif (this.isPopupOpen && this.getModuleName() !== 'autocomplete') { e.preventDefault(); } break; default: this.prevSelectPoints = this.getSelectionPoints(); this.queryString = this.filterInput.value; break; } }; DropDownList.prototype.removeFillSelection = function () { if (this.isInteracted) { var selection = this.getSelectionPoints(); this.inputElement.setSelectionRange(selection.end, selection.end); } }; DropDownList.prototype.getQuery = function (query) { var filterQuery; if (!this.isCustomFilter && this.allowFiltering && this.filterInput) { filterQuery = query ? query.clone() : this.query ? this.query.clone() : new ej2_data_1.Query(); var filterType = this.typedString === '' ? 'contains' : this.filterType; var dataType = this.typeOfData(this.dataSource).typeof; if (!(this.dataSource instanceof ej2_data_1.DataManager) && dataType === 'string' || dataType === 'number') { filterQuery.where('', filterType, this.typedString, this.ignoreCase, this.ignoreAccent); } else if (((this.getModuleName() !== 'combobox')) || (this.isFiltering() && this.getModuleName() === 'combobox' && this.typedString !== '')) { var fields = (this.fields.text) ? this.fields.text : ''; filterQuery.where(fields, filterType, this.typedString, this.ignoreCase, this.ignoreAccent); } } else { filterQuery = (this.enableVirtualization && !ej2_base_2.isNullOrUndefined(this.customFilterQuery)) ? this.customFilterQuery.clone() : query ? query.clone() : this.query ? this.query.clone() : new ej2_data_1.Query(); } if (this.enableVirtualization && this.viewPortInfo.endIndex != 0) { var takeValue = this.getTakeValue(); var alreadySkipAdded = false; Eif (filterQuery) { for (var queryElements = 0; queryElements < filterQuery.queries.length; queryElements++) { if (filterQuery.queries[queryElements].fn === 'onSkip') { alreadySkipAdded = true; break; } } } var queryTakeValue = 0; var querySkipValue = 0; if (filterQuery && filterQuery.queries.length > 0) { for (var queryElements_1 = 0; queryElements_1 < filterQuery.queries.length; queryElements_1++) { if (filterQuery.queries[queryElements_1].fn === 'onSkip') { querySkipValue = filterQuery.queries[queryElements_1].e.nos; } Iif (filterQuery.queries[queryElements_1].fn === 'onTake') { queryTakeValue = takeValue <= filterQuery.queries[queryElements_1].e.nos ? filterQuery.queries[queryElements_1].e.nos : takeValue; } } } Iif (queryTakeValue <= 0 && this.query && this.query.queries.length > 0) { for (var queryElements_2 = 0; queryElements_2 < this.query.queries.length; queryElements_2++) { if (this.query.queries[queryElements_2].fn === 'onTake') { queryTakeValue = takeValue <= this.query.queries[queryElements_2].e.nos ? this.query.queries[queryElements_2].e.nos : takeValue; } } } var skipExists = false; if (filterQuery && filterQuery.queries.length > 0) { for (var queryElements_3 = 0; queryElements_3 < filterQuery.queries.length; queryElements_3++) { if (filterQuery.queries[queryElements_3].fn === 'onSkip') { querySkipValue = filterQuery.queries[queryElements_3].e.nos; filterQuery.queries.splice(queryElements_3, 1); --queryElements_3; continue; } Iif (filterQuery.queries[queryElements_3].fn === 'onTake') { queryTakeValue = filterQuery.queries[queryElements_3].e.nos <= queryTakeValue ? queryTakeValue : filterQuery.queries[queryElements_3].e.nos; filterQuery.queries.splice(queryElements_3, 1); --queryElements_3; } } } if (!skipExists && (this.allowFiltering || !this.isPopupOpen || !alreadySkipAdded)) { Iif (querySkipValue > 0) { filterQuery.skip(querySkipValue); } else { filterQuery.skip(this.virtualItemStartIndex); } } if (this.isIncrementalRequest) { filterQuery.take(this.incrementalEndIndex); } else { Iif (queryTakeValue > 0) { filterQuery.take(queryTakeValue); } else { filterQuery.take(takeValue); } } filterQuery.requiresCount(); } return filterQuery; }; DropDownList.prototype.getSelectionPoints = function () { var input = this.inputElement; return { start: Math.abs(input.selectionStart), end: Math.abs(input.selectionEnd) }; }; DropDownList.prototype.searchLists = function (e) { var _this = this; this.isTyped = true; this.activeIndex = null; this.isListSearched = true; Eif (this.filterInput.parentElement.querySelector('.' + exports.dropDownListClasses.clearIcon)) { var clearElement = this.filterInput.parentElement.querySelector('.' + exports.dropDownListClasses.clearIcon); clearElement.style.visibility = this.filterInput.value === '' ? 'hidden' : 'visible'; } this.isDataFetched = false; Eif (this.isFiltering()) { this.checkAndResetCache(); var eventArgs_1 = { preventDefaultAction: false, text: this.filterInput.value, updateData: function (dataSource, query, fields) { Iif (eventArgs_1.cancel) { return; } _this.isCustomFilter = true; _this.customFilterQuery = query.clone(); _this.filteringAction(dataSource, query, fields); }, baseEventArgs: e, cancel: false }; this.trigger('filtering', eventArgs_1, function (eventArgs) { if (!eventArgs.cancel && !_this.isCustomFilter && !eventArgs.preventDefaultAction) { _this.filteringAction(_this.dataSource, null, _this.fields); } }); } }; DropDownList.prototype.filter = function (dataSource, query, fields) { this.isCustomFilter = true; this.filteringAction(dataSource, query, fields); }; DropDownList.prototype.filteringAction = function (dataSource, query, fields) { Eif (!ej2_base_2.isNullOrUndefined(this.filterInput)) { this.beforePopupOpen = ((!this.isPopupOpen && this.getModuleName() === 'combobox' && this.filterInput.value === '') || this.getInitialData) ? false : true; var isNoData = this.list.classList.contains(drop_down_base_1.dropDownBaseClasses.noData); if (this.filterInput.value.trim() === '' && !this.itemTemplate) { this.actionCompleteData.isUpdated = false; this.isTyped = false; Eif (!ej2_base_2.isNullOrUndefined(this.actionCompleteData.ulElement) && !ej2_base_2.isNullOrUndefined(this.actionCompleteData.list)) { if (this.enableVirtualization) { Eif (this.isFiltering()) { this.isPreventScrollAction = true; this.list.scrollTop = 0; this.previousStartIndex = 0; this.virtualListInfo = null; } this.totalItemCount = this.dataSource && this.dataSource.length ? this.dataSource.length : 0; this.resetList(dataSource, fields, query); Iif (isNoData && !this.list.classList.contains(drop_down_base_1.dropDownBaseClasses.noData)) { if (!this.list.querySelector('.e-virtual-ddl-content')) { this.list.appendChild(this.createElement('div', { className: 'e-virtual-ddl-content', styles: this.getTransformValues() })).appendChild(this.list.querySelector('.e-list-parent')); } if (!this.list.querySelector('.e-virtual-ddl')) { var virualElement = this.createElement('div', { id: this.element.id + '_popup', className: 'e-virtual-ddl', styles: this.GetVirtualTrackHeight() }); document.getElementsByClassName('e-popup')[0].querySelector('.e-dropdownbase').appendChild(virualElement); } } } this.onActionComplete(this.actionCompleteData.ulElement, this.actionCompleteData.list); } this.isTyped = true; if (!ej2_base_2.isNullOrUndefined(this.itemData) && this.getModuleName() === 'dropdownlist') { this.focusIndexItem(); this.setScrollPosition(); } this.isNotSearchList = true; } else { this.isNotSearchList = false; query = (this.filterInput.value.trim() === '') ? null : query; if (this.enableVirtualization && this.isFiltering() && this.isTyped) { this.isPreventScrollAction = true; this.list.scrollTop = 0; this.previousStartIndex = 0; this.virtualListInfo = null; } this.resetList(dataSource, fields, query); if (this.getModuleName() === 'dropdownlist' && this.list.classList.contains(drop_down_base_1.dropDownBaseClasses.noData)) { this.popupContentElement.setAttribute('role', 'status'); this.popupContentElement.setAttribute('id', 'no-record'); ej2_base_2.attributes(this.filterInputObj.container, { 'aria-activedescendant': 'no-record' }); } Iif (this.enableVirtualization && isNoData && !this.list.classList.contains(drop_down_base_1.dropDownBaseClasses.noData)) { if (!this.list.querySelector('.e-virtual-ddl-content')) { this.list.appendChild(this.createElement('div', { className: 'e-virtual-ddl-content', styles: this.getTransformValues() })).appendChild(this.list.querySelector('.e-list-parent')); } if (!this.list.querySelector('.e-virtual-ddl')) { var virualElement = this.createElement('div', { id: this.element.id + '_popup', className: 'e-virtual-ddl', styles: this.GetVirtualTrackHeight() }); document.getElementsByClassName('e-popup')[0].querySelector('.e-dropdownbase').appendChild(virualElement); } } } if (this.enableVirtualization) { this.getFilteringSkeletonCount(); } this.renderReactTemplates(); } }; DropDownList.prototype.setSearchBox = function (popupElement) { if (this.isFiltering()) { var parentElement = popupElement.querySelector('.' + exports.dropDownListClasses.filterParent) ? popupElement.querySelector('.' + exports.dropDownListClasses.filterParent) : this.createElement('span', { className: exports.dropDownListClasses.filterParent }); this.filterInput = this.createElement('input', { attrs: { type: 'text' }, className: exports.dropDownListClasses.filterInput }); this.element.parentNode.insertBefore(this.filterInput, this.element); var backIcon = false; if (ej2_base_3.Browser.isDevice) { backIcon = true; } this.filterInputObj = ej2_inputs_1.Input.createInput({ element: this.filterInput, buttons: backIcon ? [exports.dropDownListClasses.backIcon, exports.dropDownListClasses.filterBarClearIcon] : [exports.dropDownListClasses.filterBarClearIcon], properties: { placeholder: this.filterBarPlaceholder } }, this.createElement); Iif (!ej2_base_2.isNullOrUndefined(this.cssClass)) { if (this.cssClass.split(' ').indexOf('e-outline') !== -1) { ej2_base_4.addClass([this.filterInputObj.container], 'e-outline'); } else if (this.cssClass.split(' ').indexOf('e-filled') !== -1) { ej2_base_4.addClass([this.filterInputObj.container], 'e-filled'); } } ej2_base_1.append([this.filterInputObj.container], parentElement); ej2_base_4.prepend([parentElement], popupElement); ej2_base_2.attributes(this.filterInput, { 'aria-disabled': 'false', 'role': 'combobox', 'autocomplete': 'off', 'autocapitalize': 'off', 'spellcheck': 'false' }); this.clearIconElement = this.filterInput.parentElement.querySelector('.' + exports.dropDownListClasses.clearIcon); if (!ej2_base_3.Browser.isDevice && this.clearIconElement) { ej2_base_1.EventHandler.add(this.clearIconElement, 'click', this.clearText, this); this.clearIconElement.style.visibility = 'hidden'; } if (!ej2_base_3.Browser.isDevice) { this.searchKeyModule = new ej2_base_1.KeyboardEvents(this.filterInput, { keyAction: this.keyActionHandler.bind(this), keyConfigs: this.keyConfigure, eventName: 'keydown' }); } else { this.searchKeyModule = new ej2_base_1.KeyboardEvents(this.filterInput, { keyAction: this.mobileKeyActionHandler.bind(this), keyConfigs: this.keyConfigure, eventName: 'keydown' }); } ej2_base_1.EventHandler.add(this.filterInput, 'input', this.onInput, this); ej2_base_1.EventHandler.add(this.filterInput, 'keyup', this.onFilterUp, this); ej2_base_1.EventHandler.add(this.filterInput, 'keydown', this.onFilterDown, this); ej2_base_1.EventHandler.add(this.filterInput, 'blur', this.onBlurHandler, this); ej2_base_1.EventHandler.add(this.filterInput, 'paste', this.pasteHandler, this); return this.filterInputObj; } else { return inputObject; } }; DropDownList.prototype.onInput = function (e) { this.isValidKey = true; if (this.getModuleName() === 'combobox') { this.updateIconState(); } Iif (ej2_base_3.Browser.isDevice && ej2_base_3.Browser.info.name === 'mozilla') { this.typedString = this.filterInput.value; this.preventAutoFill = true; this.searchLists(e); } }; DropDownList.prototype.pasteHandler = function (e) { var _this = this; setTimeout(function () { _this.typedString = _this.filterInput.value; _this.searchLists(e); }); }; DropDownList.prototype.onActionFailure = function (e) { _super.prototype.onActionFailure.call(this, e); if (this.beforePopupOpen) { this.renderPopup(); } }; DropDownList.prototype.getTakeValue = function () { return this.allowFiltering && this.getModuleName() === 'dropdownlist' && ej2_base_3.Browser.isDevice ? Math.round(window.outerHeight / this.listItemHeight) : this.itemCount; }; DropDownList.prototype.onActionComplete = function (ulElement, list, e, isUpdated) { var _this = this; if (this.dataSource instanceof ej2_data_1.DataManager && !ej2_base_2.isNullOrUndefined(e) && !this.virtualGroupDataSource) { this.totalItemCount = e.count; } if (this.isNotSearchList && !this.enableVirtualization) { this.isNotSearchList = false; return; } if (this.getInitialData) { this.updateActionCompleteDataValues(ulElement, list); } if (!this.preventPopupOpen && this.getModuleName() === 'combobox') { this.beforePopupOpen = true; this.preventPopupOpen = true; } var tempItemCount = this.itemCount; Eif (this.isActive || !ej2_base_2.isNullOrUndefined(ulElement)) { var selectedItem = this.selectedLI ? this.selectedLI.cloneNode(true) : null; _super.prototype.onActionComplete.call(this, ulElement, list, e); this.skeletonCount = this.totalItemCount != 0 && this.totalItemCount < (this.itemCount * 2) ? 0 : this.skeletonCount; this.updateSelectElementData(this.allowFiltering); if (this.isRequested && !ej2_base_2.isNullOrUndefined(this.searchKeyEvent) && this.searchKeyEvent.type === 'keydown') { this.isRequested = false; this.keyActionHandler(this.searchKeyEvent); this.searchKeyEvent = null; } if (this.isRequested && !ej2_base_2.isNullOrUndefined(this.searchKeyEvent)) { this.incrementalSearch(this.searchKeyEvent); this.searchKeyEvent = null; } if (!this.enableVirtualization) { this.list.scrollTop = 0; } Eif (!ej2_base_2.isNullOrUndefined(ulElement)) { ej2_base_2.attributes(ulElement, { 'id': this.element.id + '_options', 'role': 'listbox', 'aria-hidden': 'false', 'aria-label': 'listbox' }); } if (this.initialRemoteRender) { this.initial = true; this.activeIndex = this.index; this.initialRemoteRender = false; if (this.value && this.dataSource instanceof ej2_data_1.DataManager) { var checkField_1 = ej2_base_2.isNullOrUndefined(this.fields.value) ? this.fields.text : this.fields.value; var value_5 = this.allowObjectBinding && !ej2_base_2.isNullOrUndefined(this.value) ? ej2_base_2.getValue(checkField_1, this.value) : this.value; var fieldValue_1 = this.fields.value.split('.'); var checkVal = list.some(function (x) { return ej2_base_2.isNullOrUndefined(x[checkField_1]) && fieldValue_1.length > 1 ? _this.checkFieldValue(x, fieldValue_1) === value_5 : x[checkField_1] === value_5; }); Iif (this.enableVirtualization && this.virtualGroupDataSource) { checkVal = this.virtualGroupDataSource.some(function (x) { return ej2_base_2.isNullOrUndefined(x[checkField_1]) && fieldValue_1.length > 1 ? _this.checkFieldValue(x, fieldValue_1) === value_5 : x[checkField_1] === value_5; }); } if (!checkVal) { this.dataSource.executeQuery(this.getQuery(this.query).where(new ej2_data_1.Predicate(checkField_1, 'equal', value_5))) .then(function (e) { Eif (e.result.length > 0) { _this.addItem(e.result, list.length); _this.updateValues(); } else { _this.updateValues(); } }); } else { this.updateValues(); } } else { this.updateValues(); } this.initial = false; } else if (this.getModuleName() === 'autocomplete' && this.value) { this.setInputValue(); } if (this.getModuleName() !== 'autocomplete' && this.isFiltering() && !this.isTyped) { Eif (!this.actionCompleteData.isUpdated || ((!this.isCustomFilter && !this.isFilterFocus) || (ej2_base_2.isNullOrUndefined(this.itemData) && this.allowFiltering) && ((this.dataSource instanceof ej2_data_1.DataManager) || (!ej2_base_2.isNullOrUndefined(this.dataSource) && !ej2_base_2.isNullOrUndefined(this.dataSource.length) && this.dataSource.length !== 0)))) { if (this.itemTemplate && this.element.tagName === 'EJS-COMBOBOX' && this.allowFiltering) { setTimeout(function () { _this.updateActionCompleteDataValues(ulElement, list); }, 0); } else { this.updateActionCompleteDataValues(ulElement, list); } } if ((this.allowCustom || (this.allowFiltering && !this.isValueInList(list, this.value) && this.dataSource instanceof ej2_data_1.DataManager)) && !this.enableVirtualization) { this.addNewItem(list, selectedItem); } else if ((this.allowCustom || (this.allowFiltering && this.isValueInList(list, this.value))) && !this.enableVirtualization) { this.addNewItem(list, selectedItem); } if (!ej2_base_2.isNullOrUndefined(this.itemData) || (ej2_base_2.isNullOrUndefined(this.itemData) && this.enableVirtualization)) { this.getSkeletonCount(); this.skeletonCount = this.totalItemCount != 0 && this.totalItemCount < (this.itemCount * 2) ? 0 : this.skeletonCount; this.UpdateSkeleton(); this.focusIndexItem(); } if (this.enableVirtualization) { this.updateActionCompleteDataValues(ulElement, list); } } else if (this.enableVirtualization && this.getModuleName() !== 'autocomplete' && !this.isFiltering()) { var value = this.getItemData().value; this.activeIndex = this.getIndexByValue(value); var element = this.findListElement(this.list, 'li', 'data-value', value); this.selectedLI = element; } else if (this.enableVirtualization && this.getModuleName() === 'autocomplete') { this.activeIndex = this.skeletonCount; } if (this.beforePopupOpen) { this.renderPopup(e); if (this.enableVirtualization) { if (!this.list.querySelector('.e-virtual-list')) { this.UpdateSkeleton(); this.liCollections = this.list.querySelectorAll('.e-list-item'); } } Iif (this.enableVirtualization && tempItemCount != this.itemCount) { this.resetList(this.dataSource, this.fields); } } } }; DropDownList.prototype.isValueInList = function (list, valueToFind) { Eif (Array.isArray(list)) { for (var i = 0; i < list.length; i++) { if (list[i] === valueToFind) { return true; } } } else if (typeof list === 'object' && list !== null) { for (var key in list) { if (Object.prototype.hasOwnProperty.call(list, key) && list[key] === valueToFind) { return true; } } } return false; }; DropDownList.prototype.checkFieldValue = function (list, fieldValue) { var checkField = list; fieldValue.forEach(function (value) { checkField = checkField[value]; }); return checkField; }; DropDownList.prototype.updateActionCompleteDataValues = function (ulElement, list) { this.actionCompleteData = { ulElement: ulElement.cloneNode(true), list: list, isUpdated: true }; if (this.actionData.list !== this.actionCompleteData.list && this.actionCompleteData.ulElement && this.actionCompleteData.list) { this.actionData = this.actionCompleteData; } }; DropDownList.prototype.addNewItem = function (listData, newElement) { var _this = this; if (!ej2_base_2.isNullOrUndefined(this.itemData) && !ej2_base_2.isNullOrUndefined(newElement)) { var value_6 = this.getItemData().value; var isExist = listData.some(function (data) { return (((typeof data === 'string' || typeof data === 'number') && data === value_6) || (ej2_base_2.getValue(_this.fields.value, data) === value_6)); }); if (!isExist) { this.addItem(this.itemData); } } }; DropDownList.prototype.updateActionCompleteData = function (li, item, index) { var _this = this; if (this.getModuleName() !== 'autocomplete' && this.actionCompleteData.ulElement) { if (this.itemTemplate && this.element.tagName === 'EJS-COMBOBOX' && this.allowFiltering) { setTimeout(function () { _this.actionCompleteDataUpdate(li, item, index); }, 0); } else { this.actionCompleteDataUpdate(li, item, index); } } }; DropDownList.prototype.actionCompleteDataUpdate = function (li, item, index) { Eif (index !== null) { this.actionCompleteData.ulElement. insertBefore(li.cloneNode(true), this.actionCompleteData.ulElement.childNodes[index]); } else { this.actionCompleteData.ulElement.appendChild(li.cloneNode(true)); } Iif (this.isFiltering() && this.actionCompleteData.list && this.actionCompleteData.list.indexOf(item) < 0) { this.actionCompleteData.list.push(item); } }; DropDownList.prototype.focusIndexItem = function () { var value = this.getItemData().value; this.activeIndex = ((this.enableVirtualization && !ej2_base_2.isNullOrUndefined(value)) || !this.enableVirtualization) ? this.getIndexByValue(value) : this.activeIndex; var element = this.findListElement(this.list, 'li', 'data-value', value); this.selectedLI = element; this.activeItem(element); if (!(this.enableVirtualization && ej2_base_2.isNullOrUndefined(element))) { this.removeFocus(); } }; DropDownList.prototype.updateSelection = function () { var selectedItem = this.list.querySelector('.' + drop_down_base_1.dropDownBaseClasses.selected); if (selectedItem) { this.setProperties({ 'index': this.getIndexByValue(selectedItem.getAttribute('data-value')) }); this.activeIndex = this.index; } else { this.removeFocus(); this.list.querySelector('.' + drop_down_base_1.dropDownBaseClasses.li).classList.add(exports.dropDownListClasses.focus); } }; DropDownList.prototype.updateSelectionList = function () { var selectedItem = this.list && this.list.querySelector('.' + 'e-active'); if (!selectedItem && !ej2_base_2.isNullOrUndefined(this.value)) { var value = this.allowObjectBinding ? ej2_base_2.getValue((this.fields.value) ? this.fields.value : '', this.value) : this.value; var findEle = this.findListElement(this.list, 'li', 'data-value', value); if (findEle) { findEle.classList.add('e-active'); } } }; DropDownList.prototype.removeFocus = function () { var highlightedItem = this.list.querySelectorAll('.' + exports.dropDownListClasses.focus); if (highlightedItem && highlightedItem.length) { ej2_base_4.removeClass(highlightedItem, exports.dropDownListClasses.focus); } }; DropDownList.prototype.renderPopup = function (e) { var _this = this; if (this.popupObj && document.body.contains(this.popupObj.element)) { this.refreshPopup(); return; } var args = { cancel: false }; this.trigger('beforeOpen', args, function (args) { if (!args.cancel) { var popupEle = _this.createElement('div', { id: _this.element.id + '_popup', className: 'e-ddl e-popup ' + (_this.cssClass !== null ? _this.cssClass : '') }); popupEle.setAttribute('aria-label', _this.element.id); popupEle.setAttribute('role', 'dialog'); var searchBox = _this.setSearchBox(popupEle); _this.listContainerHeight = _this.allowFiltering && _this.getModuleName() === 'dropdownlist' && ej2_base_3.Browser.isDevice ? ej2_base_2.formatUnit(Math.round(window.outerHeight).toString() + 'px') : ej2_base_2.formatUnit(_this.popupHeight); if (_this.headerTemplate) { _this.setHeaderTemplate(popupEle); } ej2_base_1.append([_this.list], popupEle); if (_this.footerTemplate) { _this.setFooterTemplate(popupEle); } document.body.appendChild(popupEle); popupEle.style.top = '0px'; if (_this.enableVirtualization && _this.itemTemplate) { var listitems = popupEle.querySelectorAll('li.e-list-item:not(.e-virtual-list)'); _this.listItemHeight = listitems.length > 0 ? Math.ceil(listitems[0].getBoundingClientRect().height) : 0; } if (_this.enableVirtualization && !_this.list.classList.contains(drop_down_base_1.dropDownBaseClasses.noData)) { _this.getSkeletonCount(); _this.skeletonCount = _this.totalItemCount < (_this.itemCount * 2) ? 0 : _this.skeletonCount; Iif (!_this.list.querySelector('.e-virtual-ddl-content')) { _this.list.appendChild(_this.createElement('div', { className: 'e-virtual-ddl-content', styles: _this.getTransformValues() })).appendChild(_this.list.querySelector('.e-list-parent')); } else { _this.list.getElementsByClassName('e-virtual-ddl-content')[0].style = _this.getTransformValues(); } _this.UpdateSkeleton(); _this.liCollections = _this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.li); _this.virtualItemCount = _this.itemCount; if (!_this.list.querySelector('.e-virtual-ddl')) { var virualElement = _this.createElement('div', { id: _this.element.id + '_popup', className: 'e-virtual-ddl', styles: _this.GetVirtualTrackHeight() }); popupEle.querySelector('.e-dropdownbase').appendChild(virualElement); } else { _this.list.getElementsByClassName('e-virtual-ddl')[0].style = _this.GetVirtualTrackHeight(); } } popupEle.style.visibility = 'hidden'; if (_this.popupHeight !== 'auto') { _this.searchBoxHeight = 0; if (!ej2_base_2.isNullOrUndefined(searchBox.container) && _this.getModuleName() !== 'combobox' && _this.getModuleName() !== 'autocomplete') { _this.searchBoxHeight = (searchBox.container.parentElement).getBoundingClientRect().height; _this.listContainerHeight = (parseInt(_this.listContainerHeight, 10) - (_this.searchBoxHeight)).toString() + 'px'; } if (_this.headerTemplate) { _this.header = _this.header ? _this.header : popupEle.querySelector('.e-ddl-header'); var height = Math.round(_this.header.getBoundingClientRect().height); _this.listContainerHeight = (parseInt(_this.listContainerHeight, 10) - (height + _this.searchBoxHeight)).toString() + 'px'; } if (_this.footerTemplate) { _this.footer = _this.footer ? _this.footer : popupEle.querySelector('.e-ddl-footer'); var height = Math.round(_this.footer.getBoundingClientRect().height); _this.listContainerHeight = (parseInt(_this.listContainerHeight, 10) - (height + _this.searchBoxHeight)).toString() + 'px'; } _this.list.style.maxHeight = (parseInt(_this.listContainerHeight, 10) - 2).toString() + 'px'; popupEle.style.maxHeight = ej2_base_2.formatUnit(_this.popupHeight); } else { popupEle.style.height = 'auto'; } var offsetValue = 0; var left = void 0; _this.isPreventScrollAction = true; if (!ej2_base_2.isNullOrUndefined(_this.selectedLI) && (!ej2_base_2.isNullOrUndefined(_this.activeIndex) && _this.activeIndex >= 0)) { _this.setScrollPosition(); } else if (_this.enableVirtualization) { _this.setScrollPosition(); } else { _this.list.scrollTop = 0; } if (ej2_base_3.Browser.isDevice && (!_this.allowFiltering && (_this.getModuleName() === 'dropdownlist' || (_this.isDropDownClick && _this.getModuleName() === 'combobox')))) { offsetValue = _this.getOffsetValue(popupEle); var firstItem = _this.isEmptyList() ? _this.list : _this.liCollections[0]; Eif (!ej2_base_2.isNullOrUndefined(_this.inputElement)) { left = -(parseInt(getComputedStyle(firstItem).textIndent, 10) - parseInt(getComputedStyle(_this.inputElement).paddingLeft, 10) + parseInt(getComputedStyle(_this.inputElement.parentElement).borderLeftWidth, 10)); } } _this.createPopup(popupEle, offsetValue, left); _this.popupContentElement = _this.popupObj.element.querySelector('.e-content'); _this.getFocusElement(); _this.checkCollision(popupEle); if (ej2_base_3.Browser.isDevice) { Iif ((parseInt(_this.popupWidth.toString(), 10) > window.outerWidth) && !(_this.getModuleName() === 'dropdownlist' && _this.allowFiltering)) { _this.popupObj.element.classList.add('e-wide-popup'); } _this.popupObj.element.classList.add(exports.dropDownListClasses.device); if (_this.getModuleName() === 'dropdownlist' || (_this.getModuleName() === 'combobox' && !_this.allowFiltering && _this.isDropDownClick)) { _this.popupObj.collision = { X: 'fit', Y: 'fit' }; } if (_this.isFilterLayout()) { _this.popupObj.element.classList.add(exports.dropDownListClasses.mobileFilter); _this.popupObj.position = { X: 0, Y: 0 }; _this.popupObj.dataBind(); ej2_base_2.attributes(_this.popupObj.element, { style: 'left:0px;right:0px;top:0px;bottom:0px;' }); ej2_base_4.addClass([document.body, _this.popupObj.element], exports.dropDownListClasses.popupFullScreen); _this.setSearchBoxPosition(); _this.backIconElement = searchBox.container.querySelector('.e-back-icon'); _this.clearIconElement = searchBox.container.querySelector('.' + exports.dropDownListClasses.clearIcon); ej2_base_1.EventHandler.add(_this.backIconElement, 'click', _this.clickOnBackIcon, _this); ej2_base_1.EventHandler.add(_this.clearIconElement, 'click', _this.clearText, _this); } } popupEle.style.visibility = 'visible'; ej2_base_4.addClass([popupEle], 'e-popup-close'); var scrollParentElements = _this.popupObj.getScrollableParent(_this.inputWrapper.container); for (var _i = 0, scrollParentElements_1 = scrollParentElements; _i < scrollParentElements_1.length; _i++) { var element = scrollParentElements_1[_i]; ej2_base_1.EventHandler.add(element, 'scroll', _this.scrollHandler, _this); } Eif (!ej2_base_2.isNullOrUndefined(_this.list)) { _this.unWireListEvents(); _this.wireListEvents(); } _this.selectedElementID = _this.selectedLI ? _this.selectedLI.id : null; if (_this.enableVirtualization) { _this.notify("bindScrollEvent", { module: "VirtualScroll", component: _this.getModuleName(), enable: _this.enableVirtualization, }); setTimeout(function () { if (_this.value || _this.list.querySelector('.e-active')) { _this.updateSelectionList(); Iif (_this.selectedValueInfo && _this.viewPortInfo && _this.viewPortInfo.offsets.top) { _this.list.scrollTop = _this.viewPortInfo.offsets.top; } else { _this.scrollBottom(true, true); } } }, 5); } ej2_base_2.attributes(_this.targetElement(), { 'aria-expanded': 'true', 'aria-owns': _this.element.id + '_popup', 'aria-controls': _this.element.id }); if (_this.getModuleName() !== 'dropdownlist' && _this.list.classList.contains('e-nodata')) { ej2_base_2.attributes(_this.targetElement(), { 'aria-activedescendant': 'no-record' }); _this.popupContentElement.setAttribute('role', 'status'); _this.popupContentElement.setAttribute('id', 'no-record'); } _this.inputElement.setAttribute('aria-expanded', 'true'); _this.inputElement.setAttribute('aria-controls', _this.element.id); var inputParent = _this.isFiltering() ? _this.filterInput.parentElement : _this.inputWrapper.container; ej2_base_4.addClass([inputParent], [exports.dropDownListClasses.inputFocus]); var animModel = { name: 'FadeIn', duration: 100 }; _this.beforePopupOpen = true; var popupInstance = _this.popupObj; var eventArgs = { popup: popupInstance, event: e, cancel: false, animation: animModel }; _this.trigger('open', eventArgs, function (eventArgs) { if (!eventArgs.cancel) { if (!ej2_base_2.isNullOrUndefined(_this.inputWrapper)) { ej2_base_4.addClass([_this.inputWrapper.container], [exports.dropDownListClasses.iconAnimation]); } _this.renderReactTemplates(); if (!ej2_base_2.isNullOrUndefined(_this.popupObj)) { _this.popupObj.show(new ej2_base_3.Animation(eventArgs.animation), (_this.zIndex === 1000) ? _this.element : null); } } else { _this.beforePopupOpen = false; _this.destroyPopup(); } }); } else { _this.beforePopupOpen = false; } }); }; DropDownList.prototype.checkCollision = function (popupEle) { if (!ej2_base_3.Browser.isDevice || (ej2_base_3.Browser.isDevice && !(this.getModuleName() === 'dropdownlist' || this.isDropDownClick))) { var collision = ej2_popups_1.isCollide(popupEle); if (collision.length > 0) { popupEle.style.marginTop = -parseInt(getComputedStyle(popupEle).marginTop, 10) + 'px'; } this.popupObj.resolveCollision(); } }; DropDownList.prototype.getOffsetValue = function (popupEle) { var popupStyles = getComputedStyle(popupEle); var borderTop = parseInt(popupStyles.borderTopWidth, 10); var borderBottom = parseInt(popupStyles.borderBottomWidth, 10); return this.setPopupPosition(borderTop + borderBottom); }; DropDownList.prototype.createPopup = function (element, offsetValue, left) { var _this = this; this.popupObj = new ej2_popups_1.Popup(element, { width: this.setWidth(), targetType: 'relative', relateTo: this.inputWrapper.container, collision: this.enableRtl ? { X: 'fit', Y: 'flip' } : { X: 'flip', Y: 'flip' }, offsetY: offsetValue, enableRtl: this.enableRtl, offsetX: left, position: this.enableRtl ? { X: 'right', Y: 'bottom' } : { X: 'left', Y: 'bottom' }, zIndex: this.zIndex, close: function () { if (!_this.isDocumentClick) { _this.focusDropDown(); } Iif (_this.isReact) { _this.clearTemplate(['headerTemplate', 'footerTemplate']); } _this.isNotSearchList = false; _this.isDocumentClick = false; _this.destroyPopup(); if (_this.isFiltering() && _this.actionCompleteData.list && _this.actionCompleteData.list[0]) { _this.isActive = true; if (_this.enableVirtualization) { _this.onActionComplete(_this.ulElement, _this.listData, null, true); } else { _this.onActionComplete(_this.actionCompleteData.ulElement, _this.actionCompleteData.list, null, true); } } }, open: function () { ej2_base_1.EventHandler.add(document, 'mousedown', _this.onDocumentClick, _this); _this.isPopupOpen = true; var actionList = _this.actionCompleteData && _this.actionCompleteData.ulElement && _this.actionCompleteData.ulElement.querySelector('li'); var ulElement = _this.list.querySelector('ul li'); if (!ej2_base_2.isNullOrUndefined(_this.ulElement) && !ej2_base_2.isNullOrUndefined(_this.ulElement.getElementsByClassName('e-item-focus')[0])) { ej2_base_2.attributes(_this.targetElement(), { 'aria-activedescendant': _this.ulElement.getElementsByClassName('e-item-focus')[0].id }); } else if (!ej2_base_2.isNullOrUndefined(_this.ulElement) && !ej2_base_2.isNullOrUndefined(_this.ulElement.getElementsByClassName('e-active')[0])) { ej2_base_2.attributes(_this.targetElement(), { 'aria-activedescendant': _this.ulElement.getElementsByClassName('e-active')[0].id }); } Iif (_this.isFiltering() && _this.itemTemplate && (_this.element.tagName === _this.getNgDirective()) && (actionList && ulElement && actionList.textContent !== ulElement.textContent) && _this.element.tagName !== 'EJS-COMBOBOX') { _this.cloneElements(); } if (_this.isFilterLayout()) { ej2_base_4.removeClass([_this.inputWrapper.container], [exports.dropDownListClasses.inputFocus]); _this.isFilterFocus = true; _this.filterInput.focus(); if (_this.inputWrapper.clearButton) { ej2_base_4.addClass([_this.inputWrapper.clearButton], exports.dropDownListClasses.clearIconHide); } } _this.activeStateChange(); }, targetExitViewport: function () { if (!ej2_base_3.Browser.isDevice) { _this.hidePopup(); } } }); }; DropDownList.prototype.isEmptyList = function () { return !ej2_base_2.isNullOrUndefined(this.liCollections) && this.liCollections.length === 0; }; DropDownList.prototype.getFocusElement = function () { }; DropDownList.prototype.isFilterLayout = function () { return this.getModuleName() === 'dropdownlist' && this.allowFiltering; }; DropDownList.prototype.scrollHandler = function () { if (ej2_base_3.Browser.isDevice && ((this.getModuleName() === 'dropdownlist' && !this.isFilterLayout()) || (this.getModuleName() === 'combobox' && !this.allowFiltering && this.isDropDownClick))) { Iif (this.element && !(this.isElementInViewport(this.element))) { this.hidePopup(); } } }; DropDownList.prototype.isElementInViewport = function (element) { var elementRect = element.getBoundingClientRect(); return (elementRect.top >= 0 && elementRect.left >= 0 && elementRect.bottom <= window.innerHeight && elementRect.right <= window.innerWidth); }; ; DropDownList.prototype.setSearchBoxPosition = function () { var searchBoxHeight = this.filterInput.parentElement.getBoundingClientRect().height; this.popupObj.element.style.maxHeight = '100%'; this.popupObj.element.style.width = '100%'; this.list.style.maxHeight = (window.innerHeight - searchBoxHeight) + 'px'; this.list.style.height = (window.innerHeight - searchBoxHeight) + 'px'; var clearElement = this.filterInput.parentElement.querySelector('.' + exports.dropDownListClasses.clearIcon); ej2_base_4.detach(this.filterInput); clearElement.parentElement.insertBefore(this.filterInput, clearElement); }; DropDownList.prototype.setPopupPosition = function (border) { var offsetValue; var popupOffset = border; var selectedLI = this.list.querySelector('.' + exports.dropDownListClasses.focus) || this.selectedLI; var firstItem = this.isEmptyList() ? this.list : this.liCollections[0]; var lastItem = this.isEmptyList() ? this.list : this.liCollections[this.getItems().length - 1]; var liHeight = firstItem.getBoundingClientRect().height; this.listItemHeight = liHeight; var listHeight = this.list.offsetHeight / 2; var height = ej2_base_2.isNullOrUndefined(selectedLI) ? firstItem.offsetTop : selectedLI.offsetTop; var lastItemOffsetValue = lastItem.offsetTop; if (lastItemOffsetValue - listHeight < height && !ej2_base_2.isNullOrUndefined(this.liCollections) && this.liCollections.length > 0 && !ej2_base_2.isNullOrUndefined(selectedLI)) { var count = this.list.offsetHeight / liHeight; var paddingBottom = parseInt(getComputedStyle(this.list).paddingBottom, 10); offsetValue = (count - (this.liCollections.length - this.activeIndex)) * liHeight - popupOffset + paddingBottom; this.list.scrollTop = selectedLI.offsetTop; } else if (height > listHeight && !this.enableVirtualization) { offsetValue = listHeight - liHeight / 2; this.list.scrollTop = height - listHeight + liHeight / 2; } else { offsetValue = height; } var inputHeight = this.inputWrapper.container.offsetHeight; offsetValue = offsetValue + liHeight + popupOffset - ((liHeight - inputHeight) / 2); return -offsetValue; }; DropDownList.prototype.setWidth = function () { var width = ej2_base_2.formatUnit(this.popupWidth); if (width.indexOf('%') > -1) { var inputWidth = this.inputWrapper.container.offsetWidth * parseFloat(width) / 100; width = inputWidth.toString() + 'px'; } if (ej2_base_3.Browser.isDevice && (width.indexOf('px') > -1) && (!this.allowFiltering && (this.getModuleName() === 'dropdownlist' || (this.isDropDownClick && this.getModuleName() === 'combobox')))) { var firstItem = this.isEmptyList() ? this.list : this.liCollections[0]; width = (parseInt(width, 10) + (parseInt(getComputedStyle(firstItem).textIndent, 10) - parseInt(getComputedStyle(this.inputElement).paddingLeft, 10) + parseInt(getComputedStyle(this.inputElement.parentElement).borderLeftWidth, 10)) * 2) + 'px'; } return width; }; DropDownList.prototype.scrollBottom = function (isInitial, isInitialSelection, keyAction) { var _this = this; if (isInitialSelection === void 0) { isInitialSelection = false; } if (keyAction === void 0) { keyAction = null; } if (ej2_base_2.isNullOrUndefined(this.selectedLI) && this.enableVirtualization) { this.selectedLI = this.list.querySelector('.' + drop_down_base_1.dropDownBaseClasses.li); Eif (!ej2_base_2.isNullOrUndefined(this.selectedLI) && this.selectedLI.classList.contains('e-virtual-list')) { this.selectedLI = this.liCollections[this.skeletonCount]; } } if (!ej2_base_2.isNullOrUndefined(this.selectedLI)) { this.isUpwardScrolling = false; var virtualListCount = this.list.querySelectorAll('.e-virtual-list').length; var lastElementValue = this.list.querySelector('li:last-of-type') ? this.list.querySelector('li:last-of-type').getAttribute('data-value') : null; var selectedLiOffsetTop = this.virtualListInfo && this.virtualListInfo.startIndex ? this.selectedLI.offsetTop + (this.virtualListInfo.startIndex * this.selectedLI.offsetHeight) : this.selectedLI.offsetTop; var currentOffset = this.list.offsetHeight; var nextBottom = selectedLiOffsetTop - (virtualListCount * this.selectedLI.offsetHeight) + this.selectedLI.offsetHeight - this.list.scrollTop; var nextOffset = this.list.scrollTop + nextBottom - currentOffset; var isScrollerCHanged = false; var isScrollTopChanged = false; nextOffset = isInitial ? nextOffset + parseInt(getComputedStyle(this.list).paddingTop, 10) * 2 : nextOffset + parseInt(getComputedStyle(this.list).paddingTop, 10); var boxRange = selectedLiOffsetTop - (virtualListCount * this.selectedLI.offsetHeight) + this.selectedLI.offsetHeight - this.list.scrollTop; boxRange = this.fields.groupBy && !ej2_base_2.isNullOrUndefined(this.fixedHeaderElement) ? boxRange - this.fixedHeaderElement.offsetHeight : boxRange; if (this.activeIndex === 0 && !this.enableVirtualization) { this.list.scrollTop = 0; isScrollerCHanged = this.isKeyBoardAction; } else if (nextBottom > currentOffset || !(boxRange > 0 && this.list.offsetHeight > boxRange)) { var currentElementValue = this.selectedLI ? this.selectedLI.getAttribute('data-value') : null; var liCount = keyAction == "pageDown" ? this.getPageCount() - 2 : 1; if (!this.enableVirtualization || this.isKeyBoardAction || isInitialSelection) { if (this.isKeyBoardAction && this.enableVirtualization && lastElementValue && currentElementValue === lastElementValue && keyAction != "end" && !this.isVirtualScrolling) { this.isPreventKeyAction = true; Iif (this.enableVirtualization && this.itemTemplate) { this.list.scrollTop += nextOffset; } else { Eif (this.enableVirtualization) { liCount = keyAction == "pageDown" ? this.getPageCount() + 1 : liCount; } this.list.scrollTop += this.selectedLI.offsetHeight * liCount; } this.isPreventKeyAction = this.IsScrollerAtEnd() ? false : this.isPreventKeyAction; this.isKeyBoardAction = false; this.isPreventScrollAction = false; } else if (this.enableVirtualization && keyAction == "end") { this.isPreventKeyAction = false; this.isKeyBoardAction = false; this.isPreventScrollAction = false; this.list.scrollTop = this.list.scrollHeight; } else { if (keyAction == "pageDown" && this.enableVirtualization && !this.isVirtualScrolling) { this.isPreventKeyAction = false; this.isKeyBoardAction = false; this.isPreventScrollAction = false; } this.list.scrollTop = nextOffset; } } else { this.list.scrollTop = this.virtualListInfo && this.virtualListInfo.startIndex ? this.virtualListInfo.startIndex * this.listItemHeight : 0; } isScrollerCHanged = this.isKeyBoardAction; isScrollTopChanged = true; } this.isKeyBoardAction = isScrollerCHanged; Iif (this.enableVirtualization && this.fields.groupBy && this.fixedHeaderElement && (keyAction == "down")) { setTimeout(function () { _this.scrollStop(null, true); }, 100); } } }; DropDownList.prototype.scrollTop = function (keyAction) { if (keyAction === void 0) { keyAction = null; } Eif (!ej2_base_2.isNullOrUndefined(this.selectedLI)) { var virtualListCount = this.list.querySelectorAll('.e-virtual-list').length; var selectedLiOffsetTop = (this.virtualListInfo && this.virtualListInfo.startIndex) ? this.selectedLI.offsetTop + (this.virtualListInfo.startIndex * this.selectedLI.offsetHeight) : this.selectedLI.offsetTop; var nextOffset = selectedLiOffsetTop - (virtualListCount * this.selectedLI.offsetHeight) - this.list.scrollTop; var firstElementValue = this.list.querySelector('li.e-list-item:not(.e-virtual-list)') ? this.list.querySelector('li.e-list-item:not(.e-virtual-list)').getAttribute('data-value') : null; nextOffset = this.fields.groupBy && !ej2_base_2.isNullOrUndefined(this.fixedHeaderElement) ? nextOffset - this.fixedHeaderElement.offsetHeight : nextOffset; var boxRange = (selectedLiOffsetTop - (virtualListCount * this.selectedLI.offsetHeight) + this.selectedLI.offsetHeight - this.list.scrollTop); var isPageUpKeyAction = this.enableVirtualization && this.getModuleName() === 'autocomplete' && nextOffset <= 0; if (this.activeIndex === 0 && !this.enableVirtualization) { this.list.scrollTop = 0; } else if (nextOffset < 0 || isPageUpKeyAction) { var currentElementValue = this.selectedLI ? this.selectedLI.getAttribute('data-value') : null; var liCount = keyAction == "pageUp" ? this.getPageCount() - 2 : 1; if (this.enableVirtualization) { liCount = keyAction == "pageUp" ? this.getPageCount() : liCount; } if (this.enableVirtualization && this.isKeyBoardAction && firstElementValue && currentElementValue === firstElementValue && keyAction != "home" && !this.isVirtualScrolling) { this.isUpwardScrolling = true; this.isPreventKeyAction = true; this.list.scrollTop -= this.selectedLI.offsetHeight * liCount; this.isPreventKeyAction = this.list.scrollTop != 0 ? this.isPreventKeyAction : false; this.isKeyBoardAction = false; this.isPreventScrollAction = false; } else if (this.enableVirtualization && keyAction == "home") { this.isPreventScrollAction = false; this.isPreventKeyAction = true; this.isKeyBoardAction = false; this.list.scrollTo(0, 0); } else { if (keyAction == "pageUp" && this.enableVirtualization && !this.isVirtualScrolling) { this.isPreventKeyAction = false; this.isKeyBoardAction = false; this.isPreventScrollAction = false; } this.list.scrollTop = this.list.scrollTop + nextOffset; } } else if (!(boxRange > 0 && this.list.offsetHeight > boxRange)) { this.list.scrollTop = this.selectedLI.offsetTop - (this.fields.groupBy && !ej2_base_2.isNullOrUndefined(this.fixedHeaderElement) ? this.fixedHeaderElement.offsetHeight : 0); } } }; DropDownList.prototype.isEditTextBox = function () { return false; }; DropDownList.prototype.isFiltering = function () { return this.allowFiltering; }; DropDownList.prototype.isPopupButton = function () { return true; }; DropDownList.prototype.setScrollPosition = function (e) { this.isPreventScrollAction = true; if (!ej2_base_2.isNullOrUndefined(e)) { switch (e.action) { case 'pageDown': case 'down': case 'end': this.isKeyBoardAction = true; this.scrollBottom(false, false, e.action); break; default: this.isKeyBoardAction = e.action == 'up' || e.action == 'pageUp' || e.action == 'open'; this.scrollTop(e.action); break; } } else { this.scrollBottom(true); } this.isKeyBoardAction = false; }; DropDownList.prototype.clearText = function () { this.filterInput.value = this.typedString = ''; this.searchLists(null); if (this.enableVirtualization) { this.list.scrollTop = 0; this.totalItemCount = this.dataCount = this.dataSource && this.dataSource.length ? this.dataSource.length : 0; Eif (this.list.getElementsByClassName('e-virtual-ddl')[0]) { this.list.getElementsByClassName('e-virtual-ddl')[0].style = this.GetVirtualTrackHeight(); } this.getSkeletonCount(); this.UpdateSkeleton(); this.liCollections = this.list.querySelectorAll('.e-list-item'); Eif (this.list.getElementsByClassName('e-virtual-ddl-content')[0]) { this.list.getElementsByClassName('e-virtual-ddl-content')[0].style = this.getTransformValues(); } } }; DropDownList.prototype.setEleWidth = function (width) { Eif (!ej2_base_2.isNullOrUndefined(width)) { if (typeof width === 'number') { this.inputWrapper.container.style.width = ej2_base_2.formatUnit(width); } else Eif (typeof width === 'string') { this.inputWrapper.container.style.width = (width.match(/px|%|em/)) ? (width) : (ej2_base_2.formatUnit(width)); } } }; DropDownList.prototype.closePopup = function (delay, e) { var _this = this; var isFilterValue = !ej2_base_2.isNullOrUndefined(this.filterInput) && !ej2_base_2.isNullOrUndefined(this.filterInput.value) && this.filterInput.value !== ''; var typedString = this.getModuleName() === 'combobox' ? this.typedString : null; this.isTyped = false; this.isVirtualTrackHeight = false; if (!(this.popupObj && document.body.contains(this.popupObj.element) && this.beforePopupOpen)) { return; } this.keyboardEvent = null; ej2_base_1.EventHandler.remove(document, 'mousedown', this.onDocumentClick); this.isActive = false; this.filterInputObj = null; this.isDropDownClick = false; this.preventAutoFill = false; var scrollableParentElements = this.popupObj.getScrollableParent(this.inputWrapper.container); for (var _i = 0, scrollableParentElements_1 = scrollableParentElements; _i < scrollableParentElements_1.length; _i++) { var element = scrollableParentElements_1[_i]; ej2_base_1.EventHandler.remove(element, 'scroll', this.scrollHandler); } if (ej2_base_3.Browser.isDevice && this.isFilterLayout()) { ej2_base_4.removeClass([document.body, this.popupObj.element], exports.dropDownListClasses.popupFullScreen); } if (this.isFilterLayout()) { if (!ej2_base_3.Browser.isDevice) { this.searchKeyModule.destroy(); Eif (this.clearIconElement) { ej2_base_1.EventHandler.remove(this.clearIconElement, 'click', this.clearText); } } if (this.backIconElement) { ej2_base_1.EventHandler.remove(this.backIconElement, 'click', this.clickOnBackIcon); ej2_base_1.EventHandler.remove(this.clearIconElement, 'click', this.clearText); } Eif (!ej2_base_2.isNullOrUndefined(this.filterInput)) { ej2_base_1.EventHandler.remove(this.filterInput, 'input', this.onInput); ej2_base_1.EventHandler.remove(this.filterInput, 'keyup', this.onFilterUp); ej2_base_1.EventHandler.remove(this.filterInput, 'keydown', this.onFilterDown); ej2_base_1.EventHandler.remove(this.filterInput, 'blur', this.onBlurHandler); ej2_base_1.EventHandler.remove(this.filterInput, 'paste', this.pasteHandler); } Eif (this.allowFiltering && this.getModuleName() === 'dropdownlist') { this.filterInput.removeAttribute('aria-activedescendant'); } this.filterInput = null; } ej2_base_2.attributes(this.targetElement(), { 'aria-expanded': 'false' }); this.inputElement.setAttribute('aria-expanded', 'false'); this.targetElement().removeAttribute('aria-owns'); this.targetElement().removeAttribute('aria-activedescendant'); this.inputWrapper.container.classList.remove(exports.dropDownListClasses.iconAnimation); if (this.isFiltering()) { this.actionCompleteData.isUpdated = false; } if (this.enableVirtualization) { if ((this.value == null || this.isTyped)) { this.viewPortInfo.endIndex = this.viewPortInfo && this.viewPortInfo.endIndex > 0 ? this.viewPortInfo.endIndex : this.itemCount; if (this.getModuleName() === 'autocomplete' || (this.getModuleName() === 'dropdownlist' && !ej2_base_2.isNullOrUndefined(this.typedString) && this.typedString != "") || (this.getModuleName() === 'combobox' && this.allowFiltering && !ej2_base_2.isNullOrUndefined(this.typedString) && this.typedString != "")) { this.checkAndResetCache(); } } else if (this.getModuleName() === 'autocomplete') { this.checkAndResetCache(); } if ((this.getModuleName() === 'dropdownlist' || this.getModuleName() === 'combobox') && !(this.skeletonCount == 0)) { this.getSkeletonCount(true); } } this.beforePopupOpen = false; var animModel = { name: 'FadeOut', duration: 100, delay: delay ? delay : 0 }; var popupInstance = this.popupObj; var eventArgs = { popup: popupInstance, cancel: false, animation: animModel, event: e || null }; this.trigger('close', eventArgs, function (eventArgs) { if (!ej2_base_2.isNullOrUndefined(_this.popupObj) && !ej2_base_2.isNullOrUndefined(_this.popupObj.element.querySelector('.e-fixed-head'))) { var fixedHeader = _this.popupObj.element.querySelector('.e-fixed-head'); fixedHeader.parentNode.removeChild(fixedHeader); _this.fixedHeaderElement = null; } if (!eventArgs.cancel) { if (_this.getModuleName() === 'autocomplete') { _this.rippleFun(); } if (_this.isPopupOpen) { _this.popupObj.hide(new ej2_base_3.Animation(eventArgs.animation)); } else { _this.destroyPopup(); } } }); Iif (ej2_base_3.Browser.isDevice && !eventArgs.cancel && this.popupObj.element.classList.contains('e-wide-popup')) { this.popupObj.element.classList.remove('e-wide-popup'); } var dataSourceCount; if (this.dataSource instanceof ej2_data_1.DataManager) { dataSourceCount = this.virtualGroupDataSource && this.virtualGroupDataSource.length ? this.virtualGroupDataSource.length : 0; } else { dataSourceCount = this.dataSource && this.dataSource.length ? this.dataSource.length : 0; } if (this.enableVirtualization && this.isFiltering() && isFilterValue && this.totalItemCount !== dataSourceCount) { this.updateInitialData(); this.checkAndResetCache(); } }; DropDownList.prototype.updateInitialData = function () { var currentData = this.selectData; var ulElement = this.renderItems(currentData, this.fields); this.list.scrollTop = 0; this.virtualListInfo = { currentPageNumber: null, direction: null, sentinelInfo: {}, offsets: {}, startIndex: 0, endIndex: this.itemCount, }; if (this.getModuleName() === 'combobox') { this.typedString = ""; } this.previousStartIndex = 0; this.previousEndIndex = 0; Iif (this.dataSource instanceof ej2_data_1.DataManager) { if (this.remoteDataCount >= 0) { this.totalItemCount = this.dataCount = this.remoteDataCount; } else { this.resetList(this.dataSource); } } else { this.totalItemCount = this.dataCount = this.dataSource && this.dataSource.length ? this.dataSource.length : 0; } Eif (this.list.getElementsByClassName('e-virtual-ddl')[0]) { this.list.getElementsByClassName('e-virtual-ddl')[0].style = this.GetVirtualTrackHeight(); } if (this.getModuleName() !== 'autocomplete' && this.totalItemCount != 0 && this.totalItemCount > (this.itemCount * 2)) { this.getSkeletonCount(); } this.UpdateSkeleton(); this.listData = currentData; this.updateActionCompleteDataValues(ulElement, currentData); this.liCollections = this.list.querySelectorAll('.e-list-item'); Eif (this.list.getElementsByClassName('e-virtual-ddl-content')[0]) { this.list.getElementsByClassName('e-virtual-ddl-content')[0].style = this.getTransformValues(); } }; DropDownList.prototype.destroyPopup = function () { this.isPopupOpen = false; this.isFilterFocus = false; Eif (this.popupObj) { this.popupObj.destroy(); ej2_base_4.detach(this.popupObj.element); } }; DropDownList.prototype.clickOnBackIcon = function () { this.hidePopup(); this.focusIn(); }; DropDownList.prototype.render = function () { this.preselectedIndex = !ej2_base_2.isNullOrUndefined(this.index) ? this.index : null; if (this.element.tagName === 'INPUT') { this.inputElement = this.element; if (ej2_base_2.isNullOrUndefined(this.inputElement.getAttribute('role'))) { this.inputElement.setAttribute('role', 'combobox'); } if (ej2_base_2.isNullOrUndefined(this.inputElement.getAttribute('type'))) { this.inputElement.setAttribute('type', 'text'); } this.inputElement.setAttribute('aria-expanded', 'false'); } else { this.inputElement = this.createElement('input', { attrs: { role: 'combobox', type: 'text' } }); if (this.element.tagName !== this.getNgDirective()) { this.element.style.display = 'none'; } this.element.parentElement.insertBefore(this.inputElement, this.element); this.preventTabIndex(this.inputElement); } var updatedCssClassValues = this.cssClass; if (!ej2_base_2.isNullOrUndefined(this.cssClass) && this.cssClass !== '') { updatedCssClassValues = (this.cssClass.replace(/\s+/g, ' ')).trim(); } Iif (!ej2_base_2.isNullOrUndefined(ej2_base_4.closest(this.element, 'fieldset')) && ej2_base_4.closest(this.element, 'fieldset').disabled) { this.enabled = false; } this.inputWrapper = ej2_inputs_1.Input.createInput({ element: this.inputElement, buttons: this.isPopupButton() ? [exports.dropDownListClasses.icon] : null, floatLabelType: this.floatLabelType, properties: { readonly: this.getModuleName() === 'dropdownlist' ? true : this.readonly, placeholder: this.placeholder, cssClass: updatedCssClassValues, enabled: this.enabled, enableRtl: this.enableRtl, showClearButton: this.showClearButton } }, this.createElement); if (this.element.tagName === this.getNgDirective()) { this.element.appendChild(this.inputWrapper.container); } else { this.inputElement.parentElement.insertBefore(this.element, this.inputElement); } this.hiddenElement = this.createElement('select', { attrs: { 'aria-hidden': 'true', 'aria-label': this.getModuleName(), 'tabindex': '-1', 'class': exports.dropDownListClasses.hiddenElement } }); ej2_base_4.prepend([this.hiddenElement], this.inputWrapper.container); this.validationAttribute(this.element, this.hiddenElement); this.setReadOnly(); this.setFields(); this.inputWrapper.container.style.width = ej2_base_2.formatUnit(this.width); this.inputWrapper.container.classList.add('e-ddl'); if (this.floatLabelType !== 'Never') { ej2_inputs_1.Input.calculateWidth(this.inputElement, this.inputWrapper.container); } Iif (!ej2_base_2.isNullOrUndefined(this.inputWrapper.buttons[0]) && this.inputWrapper.container.getElementsByClassName('e-float-text-content')[0] && this.floatLabelType !== 'Never') { this.inputWrapper.container.getElementsByClassName('e-float-text-content')[0].classList.add('e-icon'); } this.wireEvent(); this.tabIndex = this.element.hasAttribute('tabindex') ? this.element.getAttribute('tabindex') : '0'; this.element.removeAttribute('tabindex'); var id = this.element.getAttribute('id') ? this.element.getAttribute('id') : ej2_base_2.getUniqueID('ej2_dropdownlist'); this.element.id = id; this.hiddenElement.id = id + '_hidden'; this.targetElement().setAttribute('tabindex', this.tabIndex); if ((this.getModuleName() === 'autocomplete' || this.getModuleName() === 'combobox') && !this.readonly) { this.inputElement.setAttribute('aria-label', this.getModuleName()); } else if (this.getModuleName() === 'dropdownlist') { ej2_base_2.attributes(this.targetElement(), { 'aria-label': this.getModuleName() }); this.inputElement.setAttribute('aria-label', this.getModuleName()); this.inputElement.setAttribute('aria-expanded', 'false'); this.inputElement.setAttribute('aria-controls', this.element.id + '_popups'); } ej2_base_2.attributes(this.targetElement(), this.getAriaAttributes()); this.updateDataAttribute(this.htmlAttributes); this.setHTMLAttributes(); if (this.targetElement() === this.inputElement) { this.inputElement.removeAttribute('aria-labelledby'); } if (this.value !== null || this.activeIndex !== null || this.text !== null) { if (this.enableVirtualization) { this.listItemHeight = this.getListHeight(); this.getSkeletonCount(); this.updateVirtualizationProperties(this.itemCount, this.allowFiltering); Iif (this.index !== null) { this.activeIndex = this.index + this.skeletonCount; } } this.initValue(); this.selectedValueInfo = this.viewPortInfo; if (this.enableVirtualization) { this.activeIndex = this.activeIndex + this.skeletonCount; } } else if (this.element.tagName === 'SELECT' && this.element.options[0]) { var selectElement = this.element; this.value = this.allowObjectBinding ? this.getDataByValue(selectElement.options[selectElement.selectedIndex].value) : selectElement.options[selectElement.selectedIndex].value; this.text = ej2_base_2.isNullOrUndefined(this.value) ? null : selectElement.options[selectElement.selectedIndex].textContent; this.initValue(); } this.setEnabled(); this.preventTabIndex(this.element); if (!this.enabled) { this.targetElement().tabIndex = -1; } this.initial = false; this.element.style.opacity = ''; this.inputElement.onselect = function (e) { e.stopImmediatePropagation(); }; this.inputElement.onchange = function (e) { e.stopImmediatePropagation(); }; if (this.element.hasAttribute('autofocus')) { this.focusIn(); } if (!ej2_base_2.isNullOrUndefined(this.text)) { this.inputElement.setAttribute('value', this.text); } if (this.element.hasAttribute('data-val')) { this.element.setAttribute('data-val', 'false'); } var floatLabelElement = this.inputWrapper.container.getElementsByClassName('e-float-text')[0]; if (!ej2_base_2.isNullOrUndefined(this.element.id) && this.element.id !== '' && !ej2_base_2.isNullOrUndefined(floatLabelElement)) { floatLabelElement.id = 'label_' + this.element.id.replace(/ /g, '_'); ej2_base_2.attributes(this.inputElement, { 'aria-labelledby': floatLabelElement.id }); } this.renderComplete(); this.listItemHeight = this.getListHeight(); this.getSkeletonCount(); if (this.enableVirtualization) { this.updateVirtualizationProperties(this.itemCount, this.allowFiltering); } this.viewPortInfo.startIndex = this.virtualItemStartIndex = 0; this.viewPortInfo.endIndex = this.virtualItemEndIndex = this.viewPortInfo.startIndex > 0 ? this.viewPortInfo.endIndex : this.itemCount; }; DropDownList.prototype.getListHeight = function () { var listParent = this.createElement('div', { className: 'e-dropdownbase' }); var item = this.createElement('li', { className: 'e-list-item' }); var listParentHeight = ej2_base_2.formatUnit(this.popupHeight); listParent.style.height = (parseInt(listParentHeight, 10)).toString() + 'px'; listParent.appendChild(item); document.body.appendChild(listParent); this.virtualListHeight = listParent.getBoundingClientRect().height; var listItemHeight = Math.ceil(item.getBoundingClientRect().height); listParent.remove(); return listItemHeight; }; DropDownList.prototype.setFooterTemplate = function (popupEle) { var compiledString; if (this.footer) { Iif (this.isReact && typeof this.footerTemplate === 'function') { this.clearTemplate(['footerTemplate']); } else { this.footer.innerHTML = ''; } } else { this.footer = this.createElement('div'); ej2_base_4.addClass([this.footer], exports.dropDownListClasses.footer); } var footercheck = this.dropdownCompiler(this.footerTemplate); Iif (typeof this.footerTemplate !== 'function' && footercheck) { compiledString = ej2_base_1.compile(ej2_base_1.select(this.footerTemplate, document).innerHTML.trim()); } else { compiledString = ej2_base_1.compile(this.footerTemplate); } var footerCompTemp = compiledString({}, this, 'footerTemplate', this.footerTemplateId, this.isStringTemplate, null, this.footer); Eif (footerCompTemp && footerCompTemp.length > 0) { ej2_base_1.append(footerCompTemp, this.footer); } ej2_base_1.append([this.footer], popupEle); }; DropDownList.prototype.setHeaderTemplate = function (popupEle) { var compiledString; if (this.header) { this.header.innerHTML = ''; } else { this.header = this.createElement('div'); ej2_base_4.addClass([this.header], exports.dropDownListClasses.header); } var headercheck = this.dropdownCompiler(this.headerTemplate); Iif (typeof this.headerTemplate !== 'function' && headercheck) { compiledString = ej2_base_1.compile(ej2_base_1.select(this.headerTemplate, document).innerHTML.trim()); } else { compiledString = ej2_base_1.compile(this.headerTemplate); } var headerCompTemp = compiledString({}, this, 'headerTemplate', this.headerTemplateId, this.isStringTemplate, null, this.header); Eif (headerCompTemp && headerCompTemp.length) { ej2_base_1.append(headerCompTemp, this.header); } var contentEle = popupEle.querySelector('div.e-content'); popupEle.insertBefore(this.header, contentEle); }; DropDownList.prototype.setEnabled = function () { this.element.setAttribute('aria-disabled', (this.enabled) ? 'false' : 'true'); }; DropDownList.prototype.setOldText = function (text) { this.text = text; }; DropDownList.prototype.setOldValue = function (value) { this.value = value; }; DropDownList.prototype.refreshPopup = function () { if (!ej2_base_2.isNullOrUndefined(this.popupObj) && document.body.contains(this.popupObj.element) && ((this.allowFiltering && !(ej2_base_3.Browser.isDevice && this.isFilterLayout())) || this.getModuleName() === 'autocomplete')) { ej2_base_4.removeClass([this.popupObj.element], 'e-popup-close'); this.popupObj.refreshPosition(this.inputWrapper.container); this.popupObj.resolveCollision(); } }; DropDownList.prototype.checkData = function (newProp) { if (newProp.dataSource && !ej2_base_2.isNullOrUndefined(Object.keys(newProp.dataSource)) && this.itemTemplate && this.allowFiltering && !(this.isListSearched && (newProp.dataSource instanceof ej2_data_1.DataManager))) { this.list = null; this.actionCompleteData = { ulElement: null, list: null, isUpdated: false }; } this.isListSearched = false; var isChangeValue = Object.keys(newProp).indexOf('value') !== -1 && ej2_base_2.isNullOrUndefined(newProp.value); var isChangeText = Object.keys(newProp).indexOf('text') !== -1 && ej2_base_2.isNullOrUndefined(newProp.text); if (this.getModuleName() !== 'autocomplete' && this.allowFiltering && (isChangeValue || isChangeText)) { this.itemData = null; } if (this.allowFiltering && newProp.dataSource && !ej2_base_2.isNullOrUndefined(Object.keys(newProp.dataSource))) { this.actionCompleteData = { ulElement: null, list: null, isUpdated: false }; this.actionData = this.actionCompleteData; } else if (this.allowFiltering && newProp.query && !ej2_base_2.isNullOrUndefined(Object.keys(newProp.query))) { this.actionCompleteData = this.getModuleName() === 'combobox' ? { ulElement: null, list: null, isUpdated: false } : this.actionCompleteData; this.actionData = this.actionCompleteData; } }; DropDownList.prototype.updateDataSource = function (props, oldProps) { if (this.inputElement.value !== '' || (!ej2_base_2.isNullOrUndefined(props) && (ej2_base_2.isNullOrUndefined(props.dataSource) || (!(props.dataSource instanceof ej2_data_1.DataManager) && props.dataSource.length === 0)))) { this.clearAll(null, props); } Iif ((this.fields.groupBy && props.fields) && !this.isGroupChecking && this.list) { ej2_base_1.EventHandler.remove(this.list, 'scroll', this.setFloatingHeader); ej2_base_1.EventHandler.add(this.list, 'scroll', this.setFloatingHeader, this); } if (!(!ej2_base_2.isNullOrUndefined(props) && (ej2_base_2.isNullOrUndefined(props.dataSource) || (!(props.dataSource instanceof ej2_data_1.DataManager) && props.dataSource.length === 0))) || ((props.dataSource instanceof ej2_data_1.DataManager) || (!ej2_base_2.isNullOrUndefined(props) && Array.isArray(props.dataSource) && !ej2_base_2.isNullOrUndefined(oldProps) && Array.isArray(oldProps.dataSource) && props.dataSource.length !== oldProps.dataSource.length))) { this.typedString = ''; this.resetList(this.dataSource); } if (!this.isCustomFilter && !this.isFilterFocus && document.activeElement !== this.filterInput) { this.checkCustomValue(); } }; DropDownList.prototype.checkCustomValue = function () { var currentValue = this.allowObjectBinding && !ej2_base_2.isNullOrUndefined(this.value) ? ej2_base_2.getValue((this.fields.value) ? this.fields.value : '', this.value) : this.value; this.itemData = this.getDataByValue(currentValue); var dataItem = this.getItemData(); var value = this.allowObjectBinding ? this.itemData : dataItem.value; this.setProperties({ 'text': dataItem.text, 'value': value }); }; DropDownList.prototype.updateInputFields = function () { if (this.getModuleName() === 'dropdownlist') { ej2_inputs_1.Input.setValue(this.text, this.inputElement, this.floatLabelType, this.showClearButton); } }; DropDownList.prototype.onPropertyChanged = function (newProp, oldProp) { var _this = this; Iif (!ej2_base_2.isNullOrUndefined(newProp.dataSource) && !this.isTouched && (ej2_base_2.isNullOrUndefined(newProp.value) && ej2_base_2.isNullOrUndefined(newProp.index)) && !ej2_base_2.isNullOrUndefined(this.preselectedIndex)) { newProp.index = this.preselectedIndex; } if (!ej2_base_2.isNullOrUndefined(newProp.value) || !ej2_base_2.isNullOrUndefined(newProp.index)) { this.isTouched = true; } if (this.getModuleName() === 'dropdownlist') { this.checkData(newProp); this.setUpdateInitial(['fields', 'query', 'dataSource'], newProp); } var _loop_1 = function (prop) { switch (prop) { case 'query': case 'dataSource': this_1.getSkeletonCount(); this_1.checkAndResetCache(); break; case 'htmlAttributes': this_1.setHTMLAttributes(); break; case 'width': this_1.setEleWidth(newProp.width); ej2_inputs_1.Input.calculateWidth(this_1.inputElement, this_1.inputWrapper.container); break; case 'placeholder': ej2_inputs_1.Input.setPlaceholder(newProp.placeholder, this_1.inputElement); break; case 'filterBarPlaceholder': Eif (this_1.filterInput) { ej2_inputs_1.Input.setPlaceholder(newProp.filterBarPlaceholder, this_1.filterInput); } break; case 'readonly': Iif (this_1.getModuleName() !== 'dropdownlist') { ej2_inputs_1.Input.setReadonly(newProp.readonly, this_1.inputElement); } this_1.setReadOnly(); break; case 'cssClass': this_1.setCssClass(newProp.cssClass, oldProp.cssClass); ej2_inputs_1.Input.calculateWidth(this_1.inputElement, this_1.inputWrapper.container); break; case 'enableRtl': this_1.setEnableRtl(); break; case 'enabled': this_1.setEnable(); break; case 'text': if (newProp.text === null) { this_1.clearAll(); break; } if (this_1.enableVirtualization) { this_1.updateValues(); this_1.updateInputFields(); this_1.notify("setCurrentViewDataAsync", { module: "VirtualScroll", }); break; } if (!this_1.list) { if (this_1.dataSource instanceof ej2_data_1.DataManager) { this_1.initialRemoteRender = true; } this_1.renderList(); } if (!this_1.initialRemoteRender) { var li = this_1.getElementByText(newProp.text); if (!this_1.checkValidLi(li)) { Iif (this_1.liCollections && this_1.liCollections.length === 100 && this_1.getModuleName() === 'autocomplete' && this_1.listData.length > 100) { this_1.setSelectionData(newProp.text, oldProp.text, 'text'); } else Iif (newProp.text && this_1.dataSource instanceof ej2_data_1.DataManager) { var listLength_1 = this_1.getItems().length; var checkField = ej2_base_2.isNullOrUndefined(this_1.fields.text) ? this_1.fields.value : this_1.fields.text; this_1.typedString = ''; this_1.dataSource.executeQuery(this_1.getQuery(this_1.query).where(new ej2_data_1.Predicate(checkField, 'equal', newProp.text))) .then(function (e) { if (e.result.length > 0) { _this.addItem(e.result, listLength_1); _this.updateValues(); } else { _this.setOldText(oldProp.text); } }); } else Iif (this_1.getModuleName() === 'autocomplete') { this_1.setInputValue(newProp, oldProp); } else { this_1.setOldText(oldProp.text); } } this_1.updateInputFields(); } break; case 'value': if (newProp.value === null) { this_1.clearAll(); break; } Iif (this_1.allowObjectBinding && !ej2_base_2.isNullOrUndefined(newProp.value) && !ej2_base_2.isNullOrUndefined(oldProp.value) && this_1.isObjectInArray(newProp.value, [oldProp.value])) { return { value: void 0 }; } if (this_1.enableVirtualization) { this_1.updateValues(); this_1.updateInputFields(); this_1.notify("setCurrentViewDataAsync", { module: "VirtualScroll", }); this_1.preventChange = this_1.isAngular && this_1.preventChange ? !this_1.preventChange : this_1.preventChange; break; } this_1.notify('beforeValueChange', { newProp: newProp }); if (!this_1.list) { if (this_1.dataSource instanceof ej2_data_1.DataManager) { this_1.initialRemoteRender = true; } this_1.renderList(); } if (!this_1.initialRemoteRender) { var value = this_1.allowObjectBinding && !ej2_base_2.isNullOrUndefined(newProp.value) ? ej2_base_2.getValue((this_1.fields.value) ? this_1.fields.value : '', newProp.value) : newProp.value; var item = this_1.getElementByValue(value); if (!this_1.checkValidLi(item)) { Iif (this_1.liCollections && this_1.liCollections.length === 100 && this_1.getModuleName() === 'autocomplete' && this_1.listData.length > 100) { this_1.setSelectionData(newProp.value, oldProp.value, 'value'); } else Iif (newProp.value && this_1.dataSource instanceof ej2_data_1.DataManager) { var listLength_2 = this_1.getItems().length; var checkField = ej2_base_2.isNullOrUndefined(this_1.fields.value) ? this_1.fields.text : this_1.fields.value; this_1.typedString = ''; var value_7 = this_1.allowObjectBinding && !ej2_base_2.isNullOrUndefined(newProp.value) ? ej2_base_2.getValue(checkField, newProp.value) : newProp.value; this_1.dataSource.executeQuery(this_1.getQuery(this_1.query).where(new ej2_data_1.Predicate(checkField, 'equal', value_7))) .then(function (e) { if (e.result.length > 0) { _this.addItem(e.result, listLength_2); _this.updateValues(); } else { _this.setOldValue(oldProp.value); } }); } else if (this_1.getModuleName() === 'autocomplete') { this_1.setInputValue(newProp, oldProp); } else { this_1.setOldValue(oldProp.value); } } this_1.updateInputFields(); this_1.preventChange = this_1.isAngular && this_1.preventChange ? !this_1.preventChange : this_1.preventChange; } break; case 'index': if (newProp.index === null) { this_1.clearAll(); break; } if (!this_1.list) { if (this_1.dataSource instanceof ej2_data_1.DataManager) { this_1.initialRemoteRender = true; } this_1.renderList(); } if (!this_1.initialRemoteRender && this_1.liCollections) { var element = this_1.liCollections[newProp.index]; if (!this_1.checkValidLi(element)) { Iif (this_1.liCollections && this_1.liCollections.length === 100 && this_1.getModuleName() === 'autocomplete' && this_1.listData.length > 100) { this_1.setSelectionData(newProp.index, oldProp.index, 'index'); } else { this_1.index = oldProp.index; } } this_1.updateInputFields(); } break; case 'footerTemplate': Eif (this_1.popupObj) { this_1.setFooterTemplate(this_1.popupObj.element); } break; case 'headerTemplate': Eif (this_1.popupObj) { this_1.setHeaderTemplate(this_1.popupObj.element); } break; case 'valueTemplate': Iif (!ej2_base_2.isNullOrUndefined(this_1.itemData) && this_1.valueTemplate !== null) { this_1.setValueTemplate(); } break; case 'allowFiltering': Eif (this_1.allowFiltering) { this_1.actionCompleteData = { ulElement: this_1.ulElement, list: this_1.listData, isUpdated: true }; this_1.actionData = this_1.actionCompleteData; this_1.updateSelectElementData(this_1.allowFiltering); } break; case 'floatLabelType': ej2_inputs_1.Input.removeFloating(this_1.inputWrapper); ej2_inputs_1.Input.addFloating(this_1.inputElement, newProp.floatLabelType, this_1.placeholder, this_1.createElement); Iif (!ej2_base_2.isNullOrUndefined(this_1.inputWrapper.buttons[0]) && this_1.inputWrapper.container.getElementsByClassName('e-float-text-overflow')[0] && this_1.floatLabelType !== 'Never') { this_1.inputWrapper.container.getElementsByClassName('e-float-text-overflow')[0].classList.add('e-icon'); } break; case 'showClearButton': if (!this_1.inputWrapper.clearButton) { ej2_inputs_1.Input.setClearButton(newProp.showClearButton, this_1.inputElement, this_1.inputWrapper, null, this_1.createElement); this_1.bindClearEvent(); } break; default: { var ddlProps = this_1.getPropObject(prop, newProp, oldProp); _super.prototype.onPropertyChanged.call(this_1, ddlProps.newProperty, ddlProps.oldProperty); } break; } }; var this_1 = this; for (var _i = 0, _a = Object.keys(newProp); _i < _a.length; _i++) { var prop = _a[_i]; var state_1 = _loop_1(prop); Iif (typeof state_1 === "object") return state_1.value; } }; DropDownList.prototype.checkValidLi = function (element) { if (this.isValidLI(element)) { this.setSelection(element, null); return true; } return false; }; DropDownList.prototype.setSelectionData = function (newProp, oldProp, prop) { var _this = this; var li; this.updateListValues = function () { if (prop === 'text') { li = _this.getElementByText(newProp); if (!_this.checkValidLi(li)) { _this.setOldText(oldProp); } } else if (prop === 'value') { var fields = (_this.fields.value) ? _this.fields.value : ''; var value = _this.allowObjectBinding && !ej2_base_2.isNullOrUndefined(newProp) ? ej2_base_2.getValue(fields, newProp) : newProp; li = _this.getElementByValue(newProp); if (!_this.checkValidLi(li)) { _this.setOldValue(oldProp); } } else if (prop === 'index') { li = _this.liCollections[newProp]; if (!_this.checkValidLi(li)) { _this.index = oldProp; } } }; }; DropDownList.prototype.updatePopupState = function () { if (this.beforePopupOpen) { this.beforePopupOpen = false; this.showPopup(); } }; DropDownList.prototype.setReadOnly = function () { if (this.readonly) { ej2_base_4.addClass([this.inputWrapper.container], ['e-readonly']); } else { ej2_base_4.removeClass([this.inputWrapper.container], ['e-readonly']); } }; DropDownList.prototype.setInputValue = function (newProp, oldProp) { }; DropDownList.prototype.setCssClass = function (newClass, oldClass) { if (!ej2_base_2.isNullOrUndefined(oldClass)) { oldClass = (oldClass.replace(/\s+/g, ' ')).trim(); } if (!ej2_base_2.isNullOrUndefined(newClass)) { newClass = (newClass.replace(/\s+/g, ' ')).trim(); } ej2_inputs_1.Input.setCssClass(newClass, [this.inputWrapper.container], oldClass); if (this.popupObj) { ej2_inputs_1.Input.setCssClass(newClass, [this.popupObj.element], oldClass); } }; DropDownList.prototype.getModuleName = function () { return 'dropdownlist'; }; DropDownList.prototype.showPopup = function (e) { if (!this.enabled) { return; } this.firstItem = this.dataSource && this.dataSource.length > 0 ? this.dataSource[0] : null; Iif (this.isReact && this.getModuleName() === 'combobox' && this.itemTemplate && this.isCustomFilter && this.isAddNewItemTemplate) { this.renderList(); this.isAddNewItemTemplate = false; } Iif (this.isFiltering() && this.dataSource instanceof ej2_data_1.DataManager && (this.actionData.list !== this.actionCompleteData.list) && this.actionData.list && this.actionData.ulElement) { this.actionCompleteData = this.actionData; this.onActionComplete(this.actionCompleteData.ulElement, this.actionCompleteData.list, null, true); } if (this.beforePopupOpen) { this.refreshPopup(); return; } this.beforePopupOpen = true; if (this.isFiltering() && !this.isActive && this.actionCompleteData.list && this.actionCompleteData.list[0]) { this.isActive = true; this.onActionComplete(this.actionCompleteData.ulElement, this.actionCompleteData.list, null, true); } else if (ej2_base_2.isNullOrUndefined(this.list) || !ej2_base_2.isUndefined(this.list) && (this.list.classList.contains(drop_down_base_1.dropDownBaseClasses.noData) || this.list.querySelectorAll('.' + drop_down_base_1.dropDownBaseClasses.li).length <= 0)) { Iif (this.isReact && this.isFiltering() && this.itemTemplate != null) { this.isSecondClick = false; } this.renderList(e); } if (this.enableVirtualization && this.listData && this.listData.length) { if (!ej2_base_2.isNullOrUndefined(this.value) && (this.getModuleName() === 'dropdownlist' || this.getModuleName() === 'combobox')) { this.removeHover(); } Iif (!this.beforePopupOpen) { this.notify("setCurrentViewDataAsync", { module: "VirtualScroll", }); } } if (this.beforePopupOpen) { this.invokeRenderPopup(e); } Iif (this.enableVirtualization && !this.allowFiltering && this.selectedValueInfo != null && this.selectedValueInfo.startIndex > 0 && this.value != null) { this.notify("dataProcessAsync", { module: "VirtualScroll", isOpen: true, }); } }; DropDownList.prototype.invokeRenderPopup = function (e) { if (ej2_base_3.Browser.isDevice && this.isFilterLayout()) { var proxy_2 = this; window.onpopstate = function () { proxy_2.hidePopup(); }; history.pushState({}, ''); } if (!ej2_base_2.isNullOrUndefined(this.list) && (!ej2_base_2.isNullOrUndefined(this.list.children[0]) || this.list.classList.contains(drop_down_base_1.dropDownBaseClasses.noData))) { this.renderPopup(e); } }; DropDownList.prototype.renderHightSearch = function () { }; DropDownList.prototype.hidePopup = function (e) { if (this.isEscapeKey && this.getModuleName() === 'dropdownlist') { Eif (!ej2_base_2.isNullOrUndefined(this.inputElement)) { ej2_inputs_1.Input.setValue(this.text, this.inputElement, this.floatLabelType, this.showClearButton); } this.isEscapeKey = false; if (!ej2_base_2.isNullOrUndefined(this.index)) { var value = this.allowObjectBinding ? ej2_base_2.getValue((this.fields.value) ? this.fields.value : '', this.value) : this.value; var element = this.findListElement(this.ulElement, 'li', 'data-value', value); this.selectedLI = this.liCollections[this.index] || element; Eif (this.selectedLI) { this.updateSelectedItem(this.selectedLI, null, true); if (this.valueTemplate && this.itemData !== null) { this.setValueTemplate(); } } } else { this.resetSelection(); } } this.isVirtualTrackHeight = false; this.customFilterQuery = null; this.closePopup(0, e); var dataItem = this.getItemData(); var isSelectVal = !ej2_base_2.isNullOrUndefined(this.selectedLI); if (isSelectVal && this.enableVirtualization && this.selectedLI.classList) { isSelectVal = this.selectedLI.classList.contains('e-active'); } if (this.inputElement && this.inputElement.value.trim() === '' && !this.isInteracted && (this.isSelectCustom || isSelectVal && this.inputElement.value !== dataItem.text)) { this.isSelectCustom = false; this.clearAll(e); } }; DropDownList.prototype.focusIn = function (e) { if (!this.enabled) { return; } Iif (this.targetElement().classList.contains(exports.dropDownListClasses.disable)) { return; } var isFocused = false; if (this.preventFocus && ej2_base_3.Browser.isDevice) { this.inputWrapper.container.tabIndex = 1; this.inputWrapper.container.focus(); this.preventFocus = false; isFocused = true; } if (!isFocused) { this.targetElement().focus(); } ej2_base_4.addClass([this.inputWrapper.container], [exports.dropDownListClasses.inputFocus]); this.onFocus(e); if (this.floatLabelType !== 'Never') { ej2_inputs_1.Input.calculateWidth(this.inputElement, this.inputWrapper.container); } }; DropDownList.prototype.focusOut = function (e) { if (!this.enabled) { return; } if (!this.enableVirtualization && (this.getModuleName() === 'combobox' || this.getModuleName() === 'autocomplete')) { this.isTyped = true; } this.hidePopup(e); Eif (this.targetElement()) { this.targetElement().blur(); } ej2_base_4.removeClass([this.inputWrapper.container], [exports.dropDownListClasses.inputFocus]); Iif (this.floatLabelType !== 'Never') { ej2_inputs_1.Input.calculateWidth(this.inputElement, this.inputWrapper.container); } }; DropDownList.prototype.destroy = function () { this.isActive = false; if (this.showClearButton) { this.clearButton = document.getElementsByClassName('e-clear-icon')[0]; } incremental_search_1.resetIncrementalSearchValues(this.element.id); Iif (this.isReact) { this.clearTemplate(); } this.hidePopup(); if (this.popupObj) { this.popupObj.hide(); } this.unWireEvent(); if (this.list) { this.unWireListEvents(); } if (this.element && !this.element.classList.contains('e-' + this.getModuleName())) { return; } if (this.inputElement) { var attrArray = ['readonly', 'aria-disabled', 'placeholder', 'aria-labelledby', 'aria-expanded', 'autocomplete', 'aria-readonly', 'autocapitalize', 'spellcheck', 'aria-autocomplete', 'aria-live', 'aria-describedby', 'aria-label']; for (var i = 0; i < attrArray.length; i++) { this.inputElement.removeAttribute(attrArray[i]); } this.inputElement.setAttribute('tabindex', this.tabIndex); this.inputElement.classList.remove('e-input'); ej2_inputs_1.Input.setValue('', this.inputElement, this.floatLabelType, this.showClearButton); } this.element.style.display = 'block'; if (this.inputWrapper.container.parentElement.tagName === this.getNgDirective()) { ej2_base_4.detach(this.inputWrapper.container); } else { this.inputWrapper.container.parentElement.insertBefore(this.element, this.inputWrapper.container); ej2_base_4.detach(this.inputWrapper.container); } this.hiddenElement = null; this.filterInput = null; this.inputWrapper = null; this.keyboardModule = null; this.ulElement = null; this.list = null; this.clearIconElement = null; this.popupObj = null; this.popupContentElement = null; this.rippleFun = null; this.selectedLI = null; this.liCollections = null; this.item = null; this.footer = null; this.header = null; this.previousSelectedLI = null; this.valueTempElement = null; this.actionData.ulElement = null; if (this.inputElement && !ej2_base_2.isNullOrUndefined(this.inputElement.onchange)) { this.inputElement.onchange = null; } if (this.inputElement && !ej2_base_2.isNullOrUndefined(this.inputElement.onselect)) { this.inputElement.onselect = null; } ej2_inputs_1.Input.destroy({ element: this.inputElement, floatLabelType: this.floatLabelType, properties: this.properties }, this.clearButton); this.clearButton = null; this.inputElement = null; _super.prototype.destroy.call(this); }; DropDownList.prototype.getItems = function () { if (!this.list) { Iif (this.dataSource instanceof ej2_data_1.DataManager) { this.initialRemoteRender = true; } this.renderList(); } return this.ulElement ? _super.prototype.getItems.call(this) : []; }; DropDownList.prototype.getDataByValue = function (value) { return _super.prototype.getDataByValue.call(this, value); }; DropDownList.prototype.clear = function () { this.value = null; }; __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "cssClass", void 0); __decorate([ ej2_base_1.Property('100%') ], DropDownList.prototype, "width", void 0); __decorate([ ej2_base_1.Property(true) ], DropDownList.prototype, "enabled", void 0); __decorate([ ej2_base_1.Property(false) ], DropDownList.prototype, "enablePersistence", void 0); __decorate([ ej2_base_1.Property('300px') ], DropDownList.prototype, "popupHeight", void 0); __decorate([ ej2_base_1.Property('100%') ], DropDownList.prototype, "popupWidth", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "placeholder", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "filterBarPlaceholder", void 0); __decorate([ ej2_base_1.Property({}) ], DropDownList.prototype, "htmlAttributes", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "query", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "valueTemplate", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "headerTemplate", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "footerTemplate", void 0); __decorate([ ej2_base_1.Property(false) ], DropDownList.prototype, "allowFiltering", void 0); __decorate([ ej2_base_1.Property(false) ], DropDownList.prototype, "readonly", void 0); __decorate([ ej2_base_1.Property(false) ], DropDownList.prototype, "enableVirtualization", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "text", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "value", void 0); __decorate([ ej2_base_1.Property(false) ], DropDownList.prototype, "allowObjectBinding", void 0); __decorate([ ej2_base_1.Property(null) ], DropDownList.prototype, "index", void 0); __decorate([ ej2_base_1.Property('Never') ], DropDownList.prototype, "floatLabelType", void 0); __decorate([ ej2_base_1.Property(false) ], DropDownList.prototype, "showClearButton", void 0); __decorate([ ej2_base_1.Event() ], DropDownList.prototype, "filtering", void 0); __decorate([ ej2_base_1.Event() ], DropDownList.prototype, "change", void 0); __decorate([ ej2_base_1.Event() ], DropDownList.prototype, "beforeOpen", void 0); __decorate([ ej2_base_1.Event() ], DropDownList.prototype, "open", void 0); __decorate([ ej2_base_1.Event() ], DropDownList.prototype, "close", void 0); __decorate([ ej2_base_1.Event() ], DropDownList.prototype, "blur", void 0); __decorate([ ej2_base_1.Event() ], DropDownList.prototype, "focus", void 0); DropDownList = __decorate([ ej2_base_3.NotifyPropertyChanges ], DropDownList); return DropDownList; }(drop_down_base_1.DropDownBase)); exports.DropDownList = DropDownList; }); |