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| define(["require", "exports", "@syncfusion/ej2-base", "../base/util", "../services/row-model-generator", "../services/group-model-generator", "../base/constant", "../base/string-literals"], function (require, exports, ej2_base_1, util_1, row_model_generator_1, group_model_generator_1, events, literals) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var VirtualRowModelGenerator = (function () {
function VirtualRowModelGenerator(parent) {
this.cOffsets = {};
this.cache = {};
this.rowCache = {};
this.data = {};
this.groups = {};
this.currentInfo = {};
this.prevInfo = {};
this.parent = parent;
this.model = this.parent.pageSettings;
this.rowModelGenerator = this.parent.allowGrouping ? new group_model_generator_1.GroupModelGenerator(this.parent) : new row_model_generator_1.RowModelGenerator(this.parent);
}
VirtualRowModelGenerator.prototype.columnInfiniteRows = function (data, e) {
var result = [];
if (e.requestType === 'virtualscroll') {
var rows = this.parent.getRowsObject();
result.push.apply(result, this.rowModelGenerator.refreshRows(rows));
Eif (this.parent.infiniteScrollSettings.enableCache) {
var currentRowStartIndex = this.parent.frozenRows && this.parent.pageSettings.currentPage === 1 ? 0
: util_1.getRowIndexFromElement(this.parent.getContentTable().querySelector('.e-row:not(.e-addedrow)'));
var newResult = result
.slice(currentRowStartIndex, currentRowStartIndex + (this.parent.pageSettings.pageSize * 3));
Eif (this.parent.frozenRows && this.parent.pageSettings.currentPage !== 1) {
newResult = result.slice(0, this.parent.frozenRows).concat(newResult);
}
result = newResult;
}
}
else {
result.push.apply(result, this.rowModelGenerator.generateRows(data, e));
}
return result;
};
VirtualRowModelGenerator.prototype.generateRows = function (data, e) {
var _this = this;
if (this.parent.enableColumnVirtualization && this.parent.enableInfiniteScrolling) {
return this.columnInfiniteRows(data, e);
}
var isManualRefresh = false;
var info = e.virtualInfo = e.virtualInfo
|| ((e.requestType === 'sorting' || e.requestType === 'delete') && util_1.checkIsVirtual(this.parent) && this.prevInfo)
|| this.getData();
this.prevInfo = info;
var xAxis = info.sentinelInfo && info.sentinelInfo.axis === 'X';
var page = !xAxis && info.loadNext && !info.loadSelf ? info.nextInfo.page : info.page;
var result = [];
var indexes = this.getBlockIndexes(page);
var loadedBlocks = [];
if (this.currentInfo.blockIndexes) {
indexes = info.blockIndexes = e.virtualInfo.blockIndexes = this.includePrevPage ? this.currentInfo.blockIndexes.slice(1)
: this.currentInfo.blockIndexes.slice(0, this.currentInfo.blockIndexes.length - 1);
isManualRefresh = true;
}
this.checkAndResetCache(e.requestType);
if (util_1.isGroupAdaptive(this.parent) && this.parent.vcRows.length) {
var dataRows = this.parent.vcRows.filter(function (row) { return row.isDataRow; });
Eif ((this.parent.isManualRefresh && dataRows.length === data['records'].length) || !this.parent.isManualRefresh) {
return result = this.parent.vcRows;
}
}
if (this.parent.enableColumnVirtualization) {
for (var i = 0; i < info.blockIndexes.length; i++) {
if (this.isBlockAvailable(info.blockIndexes[parseInt(i.toString(), 10)])) {
this.cache[info.blockIndexes[parseInt(i.toString(), 10)]] =
this.rowModelGenerator.refreshRows(this.cache[info.blockIndexes[parseInt(i.toString(), 10)]]);
}
}
}
var values = info.blockIndexes;
var _loop_1 = function (i) {
if (!this_1.isBlockAvailable(values[parseInt(i.toString(), 10)])) {
var startIdx = !ej2_base_1.isNullOrUndefined(this_1.startIndex) ? this_1.startIndex :
this_1.getStartIndex(values[parseInt(i.toString(), 10)], data);
startIdx = util_1.isGroupAdaptive(this_1.parent) && !this_1.parent.vcRows.length && (e.requestType === 'sorting'
|| e.requestType === 'delete') ? 0 : startIdx;
var rows = this_1.rowModelGenerator.generateRows(data, {
virtualInfo: info, startIndex: startIdx
});
if (util_1.isGroupAdaptive(this_1.parent) && !this_1.parent.vcRows.length) {
this_1.recordsCount = data.records.length;
this_1.parent.vRows = rows;
this_1.parent.vcRows = rows;
this_1.parent.notify(events.refreshVirtualMaxPage, {});
}
var median = void 0;
if (util_1.isGroupAdaptive(this_1.parent)) {
this_1.getGroupVirtualRecordsByIndex(rows);
}
else {
if (isManualRefresh) {
this_1.setBlockForManualRefresh(this_1.cache, indexes, rows);
}
else if ((e.requestType === 'sorting' || e.requestType === 'delete') && util_1.checkIsVirtual(this_1.parent)) {
var visiblePage = util_1.getVisiblePage(info.blockIndexes);
var prevEndIndex = 0;
for (var i_1 = 0; i_1 < visiblePage.length; i_1++) {
var indexes_1 = this_1.getBlockIndexes(visiblePage[parseInt(i_1.toString(), 10)]);
var startIndex = this_1.model.pageSize * i_1;
var endIndex = startIndex + this_1.model.pageSize;
Iif (this_1.parent.allowGrouping && this_1.parent.groupSettings.columns.length) {
var dataRowObject = rows.filter(function (row) { return row.isDataRow; })
.slice(startIndex, endIndex);
startIndex = prevEndIndex;
endIndex = rows.indexOf(dataRowObject[dataRowObject.length - 1]) + 1;
}
var pageRecord = rows.slice(startIndex, endIndex);
var median_1 = ~~Math.max(pageRecord.length, this_1.model.pageSize) / 2;
Eif (!this_1.isBlockAvailable(indexes_1[0])) {
this_1.cache[indexes_1[0]] = pageRecord.slice(0, median_1);
}
Eif (!this_1.isBlockAvailable(indexes_1[1])) {
this_1.cache[indexes_1[1]] = pageRecord.slice(median_1);
}
prevEndIndex = endIndex;
}
}
else {
median = ~~Math.max(rows.length, this_1.model.pageSize) / 2;
Eif (!this_1.isBlockAvailable(indexes[0])) {
this_1.cache[indexes[0]] = rows.slice(0, median);
}
Eif (!this_1.isBlockAvailable(indexes[1])) {
this_1.cache[indexes[1]] = rows.slice(median);
}
}
}
}
if (this_1.parent.groupSettings.columns.length && !xAxis && this_1.cache[values[parseInt(i.toString(), 10)]] &&
!this_1.parent.groupSettings.enableLazyLoading) {
this_1.cache[values[parseInt(i.toString(), 10)]] =
this_1.updateGroupRow(this_1.cache[values[parseInt(i.toString(), 10)]], values[parseInt(i.toString(), 10)]);
}
Eif (!e.renderMovableContent && !e.renderFrozenRightContent && this_1.cache[values[parseInt(i.toString(), 10)]]) {
result.push.apply(result, this_1.cache[values[parseInt(i.toString(), 10)]]);
var DataRecord_1 = [];
if (this_1.parent.enableVirtualization && this_1.parent.groupSettings.columns.length) {
result.forEach(function (data) {
if (!DataRecord_1.includes(data)) {
DataRecord_1.push(data);
}
});
}
result = DataRecord_1.length ? DataRecord_1 : result;
}
Eif (this_1.isBlockAvailable(values[parseInt(i.toString(), 10)])) {
loadedBlocks.push(values[parseInt(i.toString(), 10)]);
}
};
var this_1 = this;
for (var i = 0; i < values.length; i++) {
_loop_1(i);
}
Iif (util_1.isGroupAdaptive(this.parent) && this.parent.vcRows.length && e.requestType === 'sorting'
&& e.scrollTop.top !== 0) {
return result = this.parent.vcRows;
}
info.blockIndexes = loadedBlocks;
var grouping = 'records';
if (this.parent.allowGrouping && this.parent.groupSettings.columns.length) {
this.parent.currentViewData["" + grouping] = result.map(function (m) { return m.data; });
}
else {
this.parent.currentViewData = result.map(function (m) { return m.data; });
}
if (e.requestType === 'grouping') {
this.parent.currentViewData["" + grouping] = this.parent.currentViewData["" + grouping].filter(function (item, index) {
return _this.parent.currentViewData["" + grouping].indexOf(item) === index;
});
}
if (util_1.isGroupAdaptive(this.parent) && this.parent.vcRows.length) {
if (['save', 'delete'].some(function (value) { return e.requestType === value; })) {
return result = this.parent.vcRows;
}
}
return result;
};
VirtualRowModelGenerator.prototype.setBlockForManualRefresh = function (cache, blocks, rows) {
var size = this.model.pageSize / 2;
if (this.includePrevPage) {
cache[blocks[0] - 1] = rows.slice(0, size);
cache[blocks[0]] = rows.slice(size, size * 2);
cache[blocks[1]] = rows.slice(size * 2, size * 3);
cache[blocks[2]] = rows.slice(size * 3, size * 4);
}
else {
cache[blocks[0]] = rows.slice(0, size);
cache[blocks[1]] = rows.slice(size, size * 2);
cache[blocks[2]] = rows.slice(size * 2, size * 3);
cache[blocks[2] + 1] = rows.slice(size * 3, size * 4);
}
};
VirtualRowModelGenerator.prototype.getBlockIndexes = function (page) {
return [page + (page - 1), page * 2];
};
VirtualRowModelGenerator.prototype.getPage = function (block) {
return block % 2 === 0 ? block / 2 : (block + 1) / 2;
};
VirtualRowModelGenerator.prototype.isBlockAvailable = function (value) {
return value in this.cache;
};
VirtualRowModelGenerator.prototype.getData = function () {
return {
page: this.model.currentPage,
blockIndexes: this.getBlockIndexes(this.model.currentPage),
direction: 'down',
columnIndexes: this.parent.getColumnIndexesInView()
};
};
VirtualRowModelGenerator.prototype.getStartIndex = function (blk, data, full) {
if (full === void 0) { full = true; }
var page = this.getPage(blk);
var even = blk % 2 === 0;
var index = (page - 1) * this.model.pageSize;
return full || !even ? index : index + ~~(this.model.pageSize / 2);
};
VirtualRowModelGenerator.prototype.getColumnIndexes = function (content) {
var _this = this;
if (content === void 0) { content = this.parent.getHeaderContent().querySelector('.' + literals.headerContent); }
var indexes = [];
var sLeft = content.scrollLeft | 0;
var keys = Object.keys(this.cOffsets);
var cWidth = content.getBoundingClientRect().width;
sLeft = Math.min(this.cOffsets[keys.length - 1] - cWidth, sLeft);
var calWidth = ej2_base_1.Browser.isDevice ? 2 * cWidth : cWidth / 2;
var left = sLeft + cWidth + (sLeft === 0 ? calWidth : 0);
var frzLeftWidth = 0;
var diffWidth = sLeft - calWidth;
if (this.parent.isFrozenGrid()) {
frzLeftWidth = this.parent.leftrightColumnWidth('left');
if (diffWidth > 0) {
for (var i = this.parent.getVisibleFrozenLeftCount() - 1; i >= 0; i--) {
Iif (diffWidth <= this.cOffsets[parseInt(i.toString(), 10)]) {
frzLeftWidth = frzLeftWidth - this.cOffsets[parseInt(i.toString(), 10)];
break;
}
}
}
if (this.parent.getFrozenMode() === literals.leftRight) {
var rightCol = this.parent.getVisibleFrozenRightCount();
keys.splice((keys.length - 1) - rightCol, rightCol);
}
}
keys.some(function (offset) {
var iOffset = Number(offset);
var offsetVal = _this.cOffsets["" + offset];
var border = (diffWidth + frzLeftWidth) <= offsetVal && (left + calWidth) >= offsetVal;
if (border) {
indexes.push(iOffset);
}
return left + calWidth < offsetVal;
});
return indexes;
};
VirtualRowModelGenerator.prototype.checkAndResetCache = function (action) {
var actions = ['paging', 'refresh', 'sorting', 'filtering', 'searching', 'grouping', 'ungrouping', 'reorder',
'save', 'delete'];
var clear = actions.some(function (value) { return action === value; });
if (clear) {
this.cache = {};
this.data = {};
this.groups = {};
}
return clear;
};
VirtualRowModelGenerator.prototype.refreshColOffsets = function () {
var _this = this;
var col = 0;
this.cOffsets = {};
var gLen = this.parent.groupSettings.columns.length;
var cols = this.parent.getVisibleColumns();
var cLen = cols.length;
var isVisible = function (column) { return column.visible &&
(!_this.parent.groupSettings.showGroupedColumn ? _this.parent.groupSettings.columns.indexOf(column.field) < 0 : column.visible); };
var c = this.parent.groupSettings.columns;
for (var i = 0; i < c.length; i++) {
this.cOffsets[parseInt(i.toString(), 10)] = (this.cOffsets[i - 1] | 0) + 30;
}
var blocks = Array.apply(null, Array(cLen)).map(function () { return col++; });
for (var j = 0; j < blocks.length; j++) {
blocks[parseInt(j.toString(), 10)] = blocks[parseInt(j.toString(), 10)] + gLen;
this.cOffsets[blocks[parseInt(j.toString(), 10)]] =
(this.cOffsets[blocks[parseInt(j.toString(), 10)] - 1] | 0) + (isVisible(cols[parseInt(j.toString(), 10)]) ?
parseInt(cols[parseInt(j.toString(), 10)].width, 10) : 0);
}
};
VirtualRowModelGenerator.prototype.updateGroupRow = function (current, block) {
var currentFirst = current[0];
var rows = [];
var keys = Object.keys(this.cache);
for (var i = 0; i < keys.length; i++) {
if (Number(keys[parseInt(i.toString(), 10)]) < block) {
rows = rows.concat(this.cache[keys[parseInt(i.toString(), 10)]]);
}
}
if ((currentFirst && currentFirst.isDataRow) || block % 2 === 0) {
return current;
}
return this.iterateGroup(current, rows);
};
VirtualRowModelGenerator.prototype.iterateGroup = function (current, rows) {
var currentFirst = current[0];
var offset = 0;
if (currentFirst && currentFirst.isDataRow) {
return current;
}
var isPresent = current.some(function (row) {
return rows.some(function (oRow, index) {
var res = oRow && oRow.data.field !== undefined
&& oRow.data.field === row.data.field &&
oRow.data.key === row.data.key;
Eif (res) {
offset = index;
}
return res;
});
});
if (isPresent) {
current.shift();
current = this.iterateGroup(current, rows.slice(offset));
}
return current;
};
VirtualRowModelGenerator.prototype.getRows = function () {
var rows = [];
var keys = Object.keys(this.cache);
for (var i = 0; i < keys.length; i++) {
rows = rows.concat(this.cache[keys[parseInt(i.toString(), 10)]]);
}
return rows;
};
VirtualRowModelGenerator.prototype.generateCells = function (foreignKeyData) {
var cells = [];
var cols = this.parent.columnModel;
for (var i = 0; i < cols.length; i++) {
cells.push(this.rowModelGenerator.generateCell(cols[parseInt(i.toString(), 10)], null, null, null, null, foreignKeyData));
}
return cells;
};
VirtualRowModelGenerator.prototype.getGroupVirtualRecordsByIndex = function (rows) {
var blocks = this.parent.contentModule.getGroupedTotalBlocks();
var blockSize = this.parent.contentModule.getBlockSize();
for (var i = 1; i <= blocks; i++) {
var count = 0;
this.cache[parseInt(i.toString(), 10)] = [];
for (var j = ((i - 1) * blockSize); j < rows.length; j++) {
if (count === blockSize) {
break;
}
this.cache[parseInt(i.toString(), 10)].push(rows[parseInt(j.toString(), 10)]);
if (rows[parseInt(j.toString(), 10)].isDataRow) {
count++;
}
}
}
};
return VirtualRowModelGenerator;
}());
exports.VirtualRowModelGenerator = VirtualRowModelGenerator;
});
|