all files / grid/renderer/ header-renderer.js

96.07% Statements 318/331
89.77% Branches 158/176
100% Functions 37/37
96.07% Lines 318/331
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define(["require", "exports", "@syncfusion/ej2-base", "@syncfusion/ej2-base", "@syncfusion/ej2-base", "../base/enum", "./row-renderer", "../models/cell", "../models/row", "../base/constant", "@syncfusion/ej2-base", "../base/util"], function (require, exports, ej2_base_1, ej2_base_2, ej2_base_3, enum_1, row_renderer_1, cell_1, row_1, events, ej2_base_4, util_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var HeaderRender = (function () {
        function HeaderRender(parent, serviceLocator) {
            var _this = this;
            this.frzIdx = 0;
            this.helper = function (e) {
                var gObj = _this.parent;
                var target = e.sender.target;
                var parentEle = util_1.parentsUntil(target, 'e-headercell');
                Iif (!(gObj.allowReordering || gObj.allowGrouping) || (!ej2_base_1.isNullOrUndefined(parentEle)
                    && parentEle.querySelectorAll('.e-checkselectall').length > 0)) {
                    return false;
                }
                var visualElement = ej2_base_2.createElement('div', { className: 'e-cloneproperties e-dragclone e-headerclone' });
                var element = target.classList.contains('e-headercell') ? target : parentEle;
                if (!element || (!gObj.allowReordering && element.classList.contains('e-stackedheadercell'))) {
                    return false;
                }
                var height = element.offsetHeight;
                var headercelldiv = element.querySelector('.e-headercelldiv') || element.querySelector('.e-stackedheadercelldiv');
                var col;
                Eif (headercelldiv) {
                    if (element.querySelector('.e-stackedheadercelldiv')) {
                        col = gObj.getStackedHeaderColumnByHeaderText(headercelldiv.innerText.trim(), gObj.columns);
                    }
                    else {
                        col = gObj.getColumnByUid(headercelldiv.getAttribute('e-mappinguid'));
                    }
                    _this.column = col;
                    visualElement.setAttribute('e-mappinguid', _this.column.uid);
                }
                if (col && !ej2_base_1.isNullOrUndefined(col.headerTemplate)) {
                    Eif (col.headerTemplate.indexOf('#') !== -1) {
                        visualElement.innerHTML = document.querySelector(col.headerTemplate).innerHTML.trim();
                    }
                    else {
                        visualElement.innerHTML = col.headerTemplate;
                    }
                }
                else {
                    visualElement.innerHTML = headercelldiv ?
                        col.headerText : element.firstElementChild.innerHTML;
                }
                visualElement.style.width = element.offsetWidth + 'px';
                visualElement.style.height = element.offsetHeight + 'px';
                visualElement.style.lineHeight = (height - 6).toString() + 'px';
                gObj.element.appendChild(visualElement);
                return visualElement;
            };
            this.dragStart = function (e) {
                var gObj = _this.parent;
                gObj.element.querySelector('.e-gridpopup').style.display = 'none';
                gObj.notify(events.columnDragStart, { target: e.target, column: _this.column, event: e.event });
            };
            this.drag = function (e) {
                var gObj = _this.parent;
                var target = e.target;
                Eif (target) {
                    var closest = ej2_base_2.closest(target, '.e-grid');
                    var cloneElement = _this.parent.element.querySelector('.e-cloneproperties');
                    Iif (!closest || closest.getAttribute('id') !== gObj.element.getAttribute('id')) {
                        ej2_base_3.classList(cloneElement, ['e-notallowedcur'], ['e-defaultcur']);
                        if (gObj.allowReordering) {
                            gObj.element.querySelector('.e-reorderuparrow').style.display = 'none';
                            gObj.element.querySelector('.e-reorderdownarrow').style.display = 'none';
                        }
                        return;
                    }
                    gObj.notify(events.columnDrag, { target: e.target, column: _this.column, event: e.event });
                }
            };
            this.dragStop = function (e) {
                var gObj = _this.parent;
                var cancel;
                gObj.element.querySelector('.e-gridpopup').style.display = 'none';
                Iif ((!util_1.parentsUntil(e.target, 'e-headercell') && !util_1.parentsUntil(e.target, 'e-groupdroparea')) ||
                    (!gObj.allowReordering && util_1.parentsUntil(e.target, 'e-headercell')) ||
                    (!e.helper.getAttribute('e-mappinguid') && util_1.parentsUntil(e.target, 'e-groupdroparea'))) {
                    ej2_base_2.remove(e.helper);
                    cancel = true;
                }
                gObj.notify(events.columnDragStop, { target: e.target, event: e.event, column: _this.column, cancel: cancel });
            };
            this.drop = function (e) {
                var gObj = _this.parent;
                var uid = e.droppedElement.getAttribute('e-mappinguid');
                var closest = ej2_base_2.closest(e.target, '.e-grid');
                ej2_base_2.remove(e.droppedElement);
                Iif (closest && closest.getAttribute('id') !== gObj.element.getAttribute('id') ||
                    !(gObj.allowReordering || gObj.allowGrouping)) {
                    return;
                }
                gObj.notify(events.headerDrop, { target: e.target, uid: uid });
            };
            this.parent = parent;
            this.serviceLocator = serviceLocator;
            this.ariaService = this.serviceLocator.getService('ariaService');
            this.widthService = this.serviceLocator.getService('widthService');
            Iif (this.parent.isDestroyed) {
                return;
            }
            this.parent.on(events.columnVisibilityChanged, this.setVisible, this);
            this.parent.on(events.columnPositionChanged, this.colPosRefresh, this);
        }
        HeaderRender.prototype.renderPanel = function () {
            var div = ej2_base_2.createElement('div', { className: 'e-gridheader' });
            var innerDiv = ej2_base_2.createElement('div', { className: 'e-headercontent' });
            div.appendChild(innerDiv);
            this.setPanel(div);
            this.parent.element.appendChild(div);
        };
        HeaderRender.prototype.renderTable = function () {
            var headerDiv = this.getPanel();
            headerDiv.appendChild(this.createHeaderTable());
            this.setTable(headerDiv.querySelector('.e-table'));
            if (!this.parent.getFrozenColumns()) {
                this.initializeHeaderDrag();
                this.initializeHeaderDrop();
            }
            this.parent.notify(events.headerRefreshed, { rows: this.rows, args: { isFrozen: this.parent.getFrozenColumns() !== 0 } });
        };
        HeaderRender.prototype.getPanel = function () {
            return this.headerPanel;
        };
        HeaderRender.prototype.setPanel = function (panel) {
            this.headerPanel = panel;
        };
        HeaderRender.prototype.getTable = function () {
            return this.headerTable;
        };
        HeaderRender.prototype.setTable = function (table) {
            this.headerTable = table;
        };
        HeaderRender.prototype.getColGroup = function () {
            return this.colgroup;
        };
        HeaderRender.prototype.setColGroup = function (colGroup) {
            return this.colgroup = colGroup;
        };
        HeaderRender.prototype.getRows = function () {
            var table = this.getTable();
            return table.tHead.rows;
        };
        HeaderRender.prototype.createHeaderTable = function () {
            var table = this.createTable();
            var innerDiv = this.getPanel().firstChild;
            innerDiv.appendChild(table);
            return innerDiv;
        };
        HeaderRender.prototype.createTable = function () {
            var gObj = this.parent;
            var columns = gObj.getColumns();
            var table = ej2_base_2.createElement('table', { className: 'e-table', attrs: { cellspacing: '0.25px', role: 'grid' } });
            var innerDiv = this.getPanel().firstChild;
            var findHeaderRow = this.createHeaderContent();
            var thead = findHeaderRow.thead;
            var tbody = ej2_base_2.createElement('tbody', { className: this.parent.frozenRows ? '' : 'e-hide' });
            this.caption = ej2_base_2.createElement('caption', { innerHTML: this.parent.element.id + '_header_table', className: 'e-hide' });
            var colGroup = ej2_base_2.createElement('colgroup');
            var rowBody = ej2_base_2.createElement('tr');
            var bodyCell;
            var rows = this.rows = findHeaderRow.rows;
            var rowRenderer = new row_renderer_1.RowRenderer(this.serviceLocator, enum_1.CellType.Header);
            for (var i = 0, len = rows.length; i < len; i++) {
                for (var j = 0, len_1 = rows[i].cells.length; j < len_1; j++) {
                    var cell = rows[i].cells[j];
                    bodyCell = ej2_base_2.createElement('td');
                    rowBody.appendChild(bodyCell);
                }
            }
            if (gObj.allowFiltering || gObj.allowSorting || gObj.allowGrouping) {
                table.classList.add('e-sortfilter');
            }
            this.updateColGroup(colGroup);
            tbody.appendChild(rowBody);
            table.appendChild(this.setColGroup(colGroup));
            table.appendChild(thead);
            table.appendChild(tbody);
            table.appendChild(this.caption);
            this.ariaService.setOptions(table, { colcount: gObj.getColumns().length.toString() });
            return table;
        };
        HeaderRender.prototype.createHeaderContent = function () {
            var gObj = this.parent;
            var columns = gObj.getColumns();
            var thead = ej2_base_2.createElement('thead');
            var colHeader = ej2_base_2.createElement('tr', { className: 'e-columnheader' });
            var rowRenderer = new row_renderer_1.RowRenderer(this.serviceLocator, enum_1.CellType.Header, gObj);
            rowRenderer.element = colHeader;
            var rows = [];
            var headerRow;
            this.colDepth = this.getObjDepth();
            for (var i = 0, len = this.colDepth; i < len; i++) {
                rows[i] = this.generateRow(i);
                rows[i].cells = [];
            }
            rows = this.ensureColumns(rows);
            rows = this.getHeaderCells(rows);
            for (var i = 0, len = this.colDepth; i < len; i++) {
                headerRow = rowRenderer.render(rows[i], columns);
                if (this.parent.rowHeight && headerRow.querySelector('.e-headercell')) {
                    headerRow.style.height = this.parent.rowHeight + 'px';
                }
                thead.appendChild(headerRow);
            }
            var findHeaderRow = {
                thead: thead,
                rows: rows
            };
            return findHeaderRow;
        };
        HeaderRender.prototype.updateColGroup = function (colGroup) {
            var cols = this.parent.getColumns();
            var col;
            var indexes = this.parent.getColumnIndexesInView();
            if (this.parent.allowGrouping) {
                for (var i = 0, len = this.parent.groupSettings.columns.length; i < len; i++) {
                    if (this.parent.enableColumnVirtualization && indexes.indexOf(i) === -1) {
                        continue;
                    }
                    col = ej2_base_2.createElement('col');
                    colGroup.appendChild(col);
                }
            }
            if (this.parent.detailTemplate || this.parent.childGrid) {
                col = ej2_base_2.createElement('col');
                colGroup.appendChild(col);
            }
            for (var i = 0, len = cols.length; i < len; i++) {
                col = ej2_base_2.createElement('col');
                if (cols[i].visible === false) {
                    ej2_base_2.setStyleAttribute(col, { 'display': 'none' });
                }
                colGroup.appendChild(col);
            }
            return colGroup;
        };
        HeaderRender.prototype.ensureColumns = function (rows) {
            var gObj = this.parent;
            var indexes = this.parent.getColumnIndexesInView();
            for (var i = 0, len = rows.length; i < len; i++) {
                if (gObj.allowGrouping) {
                    for (var c = 0, len_2 = gObj.groupSettings.columns.length; c < len_2; c++) {
                        if (this.parent.enableColumnVirtualization && indexes.indexOf(c) === -1) {
                            continue;
                        }
                        rows[i].cells.push(this.generateCell({}, enum_1.CellType.HeaderIndent));
                    }
                }
                if (gObj.detailTemplate || gObj.childGrid) {
                    rows[i].cells.push(this.generateCell({}, enum_1.CellType.DetailHeader));
                }
            }
            return rows;
        };
        HeaderRender.prototype.getHeaderCells = function (rows) {
            var column;
            var thead = this.parent.getHeaderTable() && this.parent.getHeaderTable().querySelector('thead');
            var cols = this.parent.enableColumnVirtualization ? this.parent.getColumns() : this.parent.columns;
            this.frzIdx = 0;
            for (var i = 0, len = cols.length; i < len; i++) {
                rows = this.appendCells(cols[i], rows, 0, i === 0, false, i === (len - 1), thead);
            }
            return rows;
        };
        HeaderRender.prototype.appendCells = function (cols, rows, index, isFirstObj, isFirstCol, isLastCol, isMovable) {
            var lastCol = isLastCol ? 'e-lastcell' : '';
            var frzCols = this.parent.getFrozenColumns();
            if (!cols.columns) {
                if (!frzCols || (frzCols
                    && ((!isMovable && (this.frzIdx < this.parent.frozenColumns || cols.isFrozen))
                        || (isMovable && this.frzIdx >= this.parent.frozenColumns && !cols.isFrozen)))) {
                    rows[index].cells.push(this.generateCell(cols, enum_1.CellType.Header, this.colDepth - index, (isFirstObj ? '' : (isFirstCol ? 'e-firstcell' : '')) + lastCol, index, this.parent.getColumnIndexByUid(cols.uid)));
                }
                this.frzIdx++;
            }
            else {
                var colSpan = this.getCellCnt(cols, 0);
                if (colSpan) {
                    var frzObj = this.refreshFrozenHdr(cols.columns, { isPartial: false, isComp: true, cnt: 0 });
                    if (!frzCols || (frzCols
                        && ((!isMovable && (this.parent.frozenColumns - this.frzIdx > 0 || (frzObj.isPartial)))
                            || (isMovable && (colSpan + this.frzIdx > this.parent.frozenColumns && !frzObj.isComp))))) {
                        rows[index].cells.push(new cell_1.Cell({
                            cellType: enum_1.CellType.StackedHeader, column: cols,
                            colSpan: this.getColSpan(colSpan, isMovable, frzObj.cnt)
                        }));
                    }
                }
                for (var i = 0, len = cols.columns.length; i < len; i++) {
                    rows = this.appendCells(cols.columns[i], rows, index + 1, isFirstObj, i === 0, i === (len - 1) && isLastCol, isMovable);
                }
            }
            return rows;
        };
        HeaderRender.prototype.refreshFrozenHdr = function (cols, frzObj) {
            for (var i = 0; i < cols.length; i++) {
                if (cols[i].columns) {
                    frzObj = this.refreshFrozenHdr(cols[i].columns, frzObj);
                }
                else {
                    Iif (cols[i].isFrozen) {
                        frzObj.isPartial = true;
                        frzObj.cnt++;
                    }
                    frzObj.isComp = frzObj.isComp && (cols[i].isFrozen ||
                        this.parent.getColumnIndexByField(cols[i].field) < this.parent.frozenColumns);
                }
            }
            return frzObj;
        };
        HeaderRender.prototype.getColSpan = function (colSpan, isMovable, frozenCnt) {
            var frzCol = this.parent.frozenColumns;
            if (this.parent.getFrozenColumns() && this.frzIdx + colSpan > frzCol) {
                if (isMovable) {
                    colSpan = colSpan - (frzCol > this.frzIdx ? frzCol - this.frzIdx : 0) - frozenCnt;
                }
                else {
                    colSpan = colSpan - (colSpan - (frzCol > this.frzIdx ? frzCol + frozenCnt - this.frzIdx : frozenCnt));
                }
            }
            return colSpan;
        };
        HeaderRender.prototype.generateRow = function (index) {
            return new row_1.Row({});
        };
        HeaderRender.prototype.generateCell = function (column, cellType, rowSpan, className, rowIndex, colIndex) {
            var opt = {
                'visible': column.visible,
                'isDataCell': false,
                'isTemplate': !ej2_base_1.isNullOrUndefined(column.headerTemplate),
                'rowID': '',
                'column': column,
                'cellType': cellType,
                'rowSpan': rowSpan,
                'className': className,
                'index': rowIndex,
                'colIndex': colIndex
            };
            if (!opt.rowSpan || opt.rowSpan < 2) {
                delete opt.rowSpan;
            }
            return new cell_1.Cell(opt);
        };
        HeaderRender.prototype.setVisible = function (columns) {
            var gObj = this.parent;
            var rows = [].slice.call(this.getRows());
            var displayVal = '';
            var idx;
            var className;
            var element;
            var frzCols = gObj.getFrozenColumns();
            for (var c = 0, clen = columns.length; c < clen; c++) {
                var column = columns[c];
                idx = gObj.getNormalizedColumnIndex(column.uid);
                if (column.visible === false) {
                    displayVal = 'none';
                }
                if (frzCols) {
                    if (idx < frzCols) {
                        ej2_base_2.setStyleAttribute(this.getColGroup().children[idx], { 'display': displayVal });
                    }
                    else {
                        var mTblColGrp = gObj.getHeaderContent().querySelector('.e-movableheader').querySelector('colgroup');
                        ej2_base_2.setStyleAttribute(mTblColGrp.children[idx - frzCols], { 'display': displayVal });
                    }
                }
                else {
                    ej2_base_2.setStyleAttribute(this.getColGroup().children[idx], { 'display': displayVal });
                }
                this.refreshUI();
            }
        };
        HeaderRender.prototype.colPosRefresh = function () {
            this.refreshUI();
        };
        HeaderRender.prototype.refreshUI = function () {
            var headerDiv = this.getPanel();
            var table = this.getTable();
            var frzCols = this.parent.getFrozenColumns();
            ej2_base_2.remove(this.getTable());
            table.removeChild(table.firstChild);
            table.removeChild(table.childNodes[0]);
            var colGroup = ej2_base_2.createElement('colgroup');
            var findHeaderRow = this.createHeaderContent();
            this.rows = findHeaderRow.rows;
            table.insertBefore(findHeaderRow.thead, table.firstChild);
            this.updateColGroup(colGroup);
            table.insertBefore(this.setColGroup(colGroup), table.firstChild);
            this.setTable(table);
            this.appendContent(table);
            this.parent.notify(events.colGroupRefresh, {});
            this.widthService.setWidthToColumns();
            this.parent.updateDefaultCursor();
            if (!frzCols) {
                this.initializeHeaderDrag();
            }
            var rows = [].slice.call(headerDiv.querySelectorAll('tr.e-columnheader'));
            for (var _i = 0, rows_1 = rows; _i < rows_1.length; _i++) {
                var row = rows_1[_i];
                var gCells = [].slice.call(row.querySelectorAll('.e-grouptopleftcell'));
                if (gCells.length) {
                    gCells[gCells.length - 1].classList.add('e-lastgrouptopleftcell');
                }
            }
            if (!frzCols) {
                this.parent.notify(events.headerRefreshed, { rows: this.rows, args: { isFrozen: this.parent.getFrozenColumns() !== 0 } });
            }
            if (this.parent.allowTextWrap && this.parent.textWrapSettings.wrapMode === 'Header') {
                util_1.wrap(rows, true);
            }
        };
        HeaderRender.prototype.appendContent = function (table) {
            this.getPanel().firstChild.appendChild(table);
        };
        HeaderRender.prototype.getObjDepth = function () {
            var max = 0;
            var cols = this.parent.columns;
            for (var i = 0, len = cols.length; i < len; i++) {
                var depth = this.checkDepth(cols[i], 0);
                if (max < depth) {
                    max = depth;
                }
            }
            return max + 1;
        };
        HeaderRender.prototype.checkDepth = function (col, index) {
            var max = index;
            var indices = [];
            if (col.columns) {
                index++;
                for (var i = 0, len = col.columns.length; i < len; i++) {
                    indices[i] = this.checkDepth(col.columns[i], index);
                }
                for (var j = 0; j < indices.length; j++) {
                    if (max < indices[j]) {
                        max = indices[j];
                    }
                }
                index = max;
            }
            return index;
        };
        HeaderRender.prototype.getCellCnt = function (col, cnt) {
            if (col.columns) {
                for (var i = 0, len = col.columns.length; i < len; i++) {
                    cnt = this.getCellCnt(col.columns[i], cnt);
                }
            }
            else {
                if (col.visible) {
                    cnt++;
                }
            }
            return cnt;
        };
        HeaderRender.prototype.initializeHeaderDrag = function () {
            var gObj = this.parent;
            if (!(this.parent.allowReordering || (this.parent.allowGrouping && this.parent.groupSettings.showDropArea))) {
                return;
            }
            var headerRows = [].slice.call(gObj.getHeaderContent().querySelectorAll('.e-columnheader'));
            for (var i = 0, len = headerRows.length; i < len; i++) {
                var drag = new ej2_base_4.Draggable(headerRows[i], {
                    dragTarget: '.e-headercell',
                    distance: 5,
                    helper: this.helper,
                    dragStart: this.dragStart,
                    drag: this.drag,
                    dragStop: this.dragStop,
                    abort: '.e-rhandler'
                });
            }
        };
        HeaderRender.prototype.initializeHeaderDrop = function () {
            var gObj = this.parent;
            var drop = new ej2_base_4.Droppable(gObj.getHeaderContent(), {
                accept: '.e-dragclone',
                drop: this.drop
            });
        };
        return HeaderRender;
    }());
    exports.HeaderRender = HeaderRender;
});