devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/pivot_grid/ui.pivot_grid.data_controller.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import Callbacks from "../../core/utils/callbacks";
import {
when,
Deferred
} from "../../core/utils/deferred";
import {
extend
} from "../../core/utils/extend";
import {
inArray
} from "../../core/utils/array";
import {
map,
each
} from "../../core/utils/iterator";
import Class from "../../core/class";
import {
format
} from "../../core/utils/string";
import {
deferUpdate
} from "../../core/utils/common";
import {
isDefined,
isString
} from "../../core/utils/type";
import {
VirtualScrollController
} from "../grid_core/ui.grid_core.virtual_scrolling_core";
import {
foreachColumnInfo,
createColumnsInfo
} from "../grid_core/ui.grid_core.virtual_columns_core";
import {
StateStoringController
} from "../grid_core/ui.grid_core.state_storing_core";
import PivotGridDataSource from "./data_source";
import {
findField,
foreachTree,
foreachTreeAsync,
createPath,
formatValue
} from "./ui.pivot_grid.utils";
var math = Math;
var GRAND_TOTAL_TYPE = "GT";
var TOTAL_TYPE = "T";
var DATA_TYPE = "D";
var NOT_AVAILABLE = "#N/A";
var CHANGING_DURATION_IF_PAGINATE = 300;
var proxyMethod = function(instance, methodName, defaultResult) {
if (!instance[methodName]) {
instance[methodName] = function() {
var dataSource = this._dataSource;
return dataSource ? dataSource[methodName].apply(dataSource, arguments) : defaultResult
}
}
};
export var DataController = Class.inherit(function() {
function formatCellValue(value, dataField, errorText) {
return value === NOT_AVAILABLE ? errorText : formatValue(value, dataField)
}
var createHeaderInfo = function() {
var addInfoItem = function(info, options) {
var breadth = options.lastIndex - options.index || 1;
var itemInfo = function(headerItem, breadth, isHorizontal, isTree) {
var infoItem = {
type: headerItem.type,
text: headerItem.text
};
if (headerItem.path) {
infoItem.path = headerItem.path
}
if (headerItem.width) {
infoItem.width = headerItem.width
}
if (isDefined(headerItem.wordWrapEnabled)) {
infoItem.wordWrapEnabled = headerItem.wordWrapEnabled
}
if (headerItem.isLast) {
infoItem.isLast = true
}
if (headerItem.sorted) {
infoItem.sorted = true
}
if (headerItem.isMetric) {
infoItem.dataIndex = headerItem.dataIndex
}
if (isDefined(headerItem.expanded)) {
infoItem.expanded = headerItem.expanded
}
if (breadth > 1) {
infoItem[isHorizontal ? "colspan" : "rowspan"] = breadth
}
if (headerItem.depthSize && headerItem.depthSize > 1) {
infoItem[isHorizontal ? "rowspan" : "colspan"] = headerItem.depthSize
}
if (headerItem.index >= 0) {
infoItem.dataSourceIndex = headerItem.index
}
if (isTree && headerItem.children && headerItem.children.length && !headerItem.children[0].isMetric) {
infoItem.width = null;
infoItem.isWhiteSpace = true
}
return infoItem
}(options.headerItem, breadth, options.isHorizontal, options.isTree);
! function(info, infoItem, itemIndex, depthIndex, isHorizontal) {
var index = isHorizontal ? depthIndex : itemIndex;
while (!info[index]) {
info.push([])
}
if (isHorizontal) {
info[index].push(infoItem)
} else {
info[index].unshift(infoItem)
}
}(info, itemInfo, options.index, options.depth, options.isHorizontal);
if (!options.headerItem.children || 0 === options.headerItem.children.length) {
return options.lastIndex + 1
}
return options.lastIndex
};
var getViewHeaderItems = function(headerItems, headerDescriptions, cellDescriptions, depthSize, options) {
var cellDescriptionsCount = cellDescriptions.length;
var viewHeaderItems = function(headerItems, headerDescriptions) {
var headerDescriptionsCount = headerDescriptions && headerDescriptions.length || 0;
var childrenStack = [];
var d = new Deferred;
var headerItem;
when(foreachTreeAsync(headerItems, (function(items, index) {
var item = items[0];
var path = createPath(items);
headerItem = createHeaderItem(childrenStack, path.length, index);
headerItem.type = DATA_TYPE;
headerItem.value = item.value;
headerItem.path = path;
headerItem.text = item.text;
headerItem.index = item.index;
headerItem.displayText = item.displayText;
headerItem.key = item.key;
headerItem.isEmpty = item.isEmpty;
if (path.length < headerDescriptionsCount && (!item.children || 0 !== item.children.length)) {
headerItem.expanded = !!item.children
}
}))).done((function() {
d.resolve(createHeaderItem(childrenStack, 0, 0).children || [])
}));
return d
}(headerItems, headerDescriptions);
var dataFields = options.dataFields;
var d = new Deferred;
when(viewHeaderItems).done((function(viewHeaderItems) {
options.notifyProgress(.5);
if (options.showGrandTotals) {
viewHeaderItems[!options.showTotalsPrior ? "push" : "unshift"]({
type: GRAND_TOTAL_TYPE,
isEmpty: options.isEmptyGrandTotal
})
}
var hideTotals = false === options.showTotals || dataFields.length > 0 && dataFields.length === options.hiddenTotals.length;
var hideData = dataFields.length > 0 && options.hiddenValues.length === dataFields.length;
if (hideData && hideTotals) {
depthSize = 1
}
if (!hideTotals || "tree" === options.layout) {
! function(headerItems, headerDescriptions, showTotalsPrior, isTree) {
showTotalsPrior = showTotalsPrior || isTree;
foreachTree(headerItems, (function(items, index) {
var item = items[0];
var parentChildren = (items[1] ? items[1].children : headerItems) || [];
var dataField = headerDescriptions[items.length - 1];
if (item.type === DATA_TYPE && item.expanded && (false !== dataField.showTotals || isTree)) {
-1 !== index && parentChildren.splice(showTotalsPrior ? index : index + 1, 0, extend({}, item, {
children: null,
type: TOTAL_TYPE,
expanded: showTotalsPrior ? true : null,
isAdditionalTotal: true
}));
if (showTotalsPrior) {
item.expanded = null
}
}
}))
}(viewHeaderItems, headerDescriptions, options.showTotalsPrior, "tree" === options.layout)
}
when(foreachTreeAsync(viewHeaderItems, (function(items) {
var item = items[0];
if (!item.children || 0 === item.children.length) {
item.depthSize = depthSize - items.length + 1
}
}))).done((function() {
if (cellDescriptionsCount > 1) {
! function(headerItems, cellDescriptions, options) {
foreachTree(headerItems, (function(items) {
var item = items[0];
var i;
if (!item.children || 0 === item.children.length) {
item.children = [];
for (i = 0; i < cellDescriptions.length; i++) {
var isGrandTotal = item.type === GRAND_TOTAL_TYPE;
var isTotal = item.type === TOTAL_TYPE;
var isValue = item.type === DATA_TYPE;
var columnIsHidden = false === cellDescriptions[i].visible || isGrandTotal && -1 !== inArray(i, options.hiddenGrandTotals) || isTotal && -1 !== inArray(i, options.hiddenTotals) || isValue && -1 !== inArray(i, options.hiddenValues);
if (columnIsHidden) {
continue
}
item.children.push({
caption: cellDescriptions[i].caption,
path: item.path,
type: item.type,
value: i,
index: item.index,
dataIndex: i,
isMetric: true,
isEmpty: item.isEmpty && item.isEmpty[i]
})
}
}
}))
}(viewHeaderItems, cellDescriptions, options)
}!options.showEmpty && function(headerItems) {
foreachTree([{
children: headerItems
}], (function(items, index) {
var item = items[0];
var parentChildren = (items[1] ? items[1].children : headerItems) || [];
var isEmpty = item.isEmpty;
if (isEmpty && isEmpty.length) {
isEmpty = item.isEmpty.filter((function(isEmpty) {
return isEmpty
})).length === isEmpty.length
}
if (item && !item.children && isEmpty) {
parentChildren.splice(index, 1);
! function removeEmptyParent(items, index) {
var parent = items[index + 1];
if (!items[index].children.length && parent && parent.children) {
parent.children.splice(inArray(items[index], parent.children), 1);
removeEmptyParent(items, index + 1)
}
}(items, 1)
}
}))
}(viewHeaderItems);
options.notifyProgress(.75);
when(foreachTreeAsync(viewHeaderItems, (function(items) {
var item = items[0];
var isMetric = item.isMetric;
var field = headerDescriptions[items.length - 1] || {};
if (item.type === DATA_TYPE && !isMetric) {
item.width = field.width
}
if (true === hideData && item.type === DATA_TYPE) {
var parentChildren = (items[1] ? items[1].children : viewHeaderItems) || [];
parentChildren.splice(inArray(item, parentChildren), 1);
return
}
if (isMetric) {
item.wordWrapEnabled = cellDescriptions[item.dataIndex].wordWrapEnabled
} else {
item.wordWrapEnabled = field.wordWrapEnabled
}
item.isLast = !item.children || !item.children.length;
if (item.isLast) {
each(options.sortBySummaryPaths, (function(index, sortBySummaryPath) {
if (!isDefined(item.dataIndex)) {
sortBySummaryPath = sortBySummaryPath.slice(0);
sortBySummaryPath.pop()
}
if (function(items, sortBySummaryPath) {
var path;
var item = items[0];
var stringValuesUsed = isString(sortBySummaryPath[0]);
var headerItem = item.dataIndex >= 0 ? items[1] : item;
if (stringValuesUsed && -1 !== sortBySummaryPath[0].indexOf("&[") && headerItem.key || !headerItem.key) {
path = createPath(items)
} else {
path = map(items, (function(item) {
return item.dataIndex >= 0 ? item.value : item.text
})).reverse()
}
if (item.type === GRAND_TOTAL_TYPE) {
path = path.slice(1)
}
return path.join("/") === sortBySummaryPath.join("/")
}(items, sortBySummaryPath)) {
item.sorted = true;
return false
}
}))
}
item.text = function(item, description, options) {
var text = item.text;
if (isDefined(item.displayText)) {
text = item.displayText
} else if (isDefined(item.caption)) {
text = item.caption
} else if (item.type === GRAND_TOTAL_TYPE) {
text = options.texts.grandTotal
}
if (item.isAdditionalTotal) {
text = format(options.texts.total || "", text)
}
return text
}(item, 0, options)
}))).done((function() {
if (!viewHeaderItems.length) {
viewHeaderItems.push({})
}
options.notifyProgress(1);
d.resolve(viewHeaderItems)
}))
}))
}));
return d
};
function createHeaderItem(childrenStack, depth, index) {
var parent = childrenStack[depth] = childrenStack[depth] || [];
var node = parent[index] = {};
if (childrenStack[depth + 1]) {
node.children = childrenStack[depth + 1];
for (var i = depth + 1; i < childrenStack.length; i++) {
childrenStack[i] = void 0
}
childrenStack.length = depth + 1
}
return node
}
return function(headerItems, headerDescriptions, cellDescriptions, isHorizontal, options) {
var info = [];
var depthSize = function(headerItems) {
var depth = 0;
foreachTree(headerItems, (function(items) {
depth = math.max(depth, items.length)
}));
return depth
}(headerItems) || 1;
var d = new Deferred;
getViewHeaderItems(headerItems, headerDescriptions, cellDescriptions, depthSize, options).done((function(viewHeaderItems) {
! function(info, viewHeaderItems, depthSize, isHorizontal, isTree) {
var lastIndex = 0;
var index;
var depth;
var indexesByDepth = [0];
foreachTree(viewHeaderItems, (function(items) {
var headerItem = items[0];
depth = headerItem.isMetric ? depthSize : items.length - 1;
while (indexesByDepth.length - 1 < depth) {
indexesByDepth.push(indexesByDepth[indexesByDepth.length - 1])
}
index = indexesByDepth[depth] || 0;
lastIndex = addInfoItem(info, {
headerItem: headerItem,
index: index,
lastIndex: lastIndex,
depth: depth,
isHorizontal: isHorizontal,
isTree: isTree
});
indexesByDepth.length = depth;
indexesByDepth.push(lastIndex)
}))
}(info, viewHeaderItems, depthSize, isHorizontal, "tree" === options.layout);
options.notifyProgress(1);
d.resolve(info)
}));
return d
}
}();
function createSortPaths(headerFields, dataFields) {
var sortBySummaryPaths = [];
each(headerFields, (function(index, headerField) {
var fieldIndex = findField(dataFields, headerField.sortBySummaryField);
if (fieldIndex >= 0) {
sortBySummaryPaths.push((headerField.sortBySummaryPath || []).concat([fieldIndex]))
}
}));
return sortBySummaryPaths
}
function foreachRowInfo(rowsInfo, callback) {
var columnOffset = 0;
var columnOffsetResetIndexes = [];
for (var i = 0; i < rowsInfo.length; i++) {
for (var j = 0; j < rowsInfo[i].length; j++) {
var rowSpanOffset = (rowsInfo[i][j].rowspan || 1) - 1;
var visibleIndex = i + rowSpanOffset;
if (columnOffsetResetIndexes[i]) {
columnOffset -= columnOffsetResetIndexes[i];
columnOffsetResetIndexes[i] = 0
}
if (false === callback(rowsInfo[i][j], visibleIndex, i, j, columnOffset)) {
break
}
columnOffsetResetIndexes[i + (rowsInfo[i][j].rowspan || 1)] = (columnOffsetResetIndexes[i + (rowsInfo[i][j].rowspan || 1)] || 0) + 1;
columnOffset++
}
}
}
function getHeaderIndexedItems(headerItems, options) {
var visibleIndex = 0;
var indexedItems = [];
foreachTree(headerItems, (function(items) {
var headerItem = items[0];
var path = createPath(items);
if (headerItem.children && false === options.showTotals) {
return
}
var indexedItem = extend(true, {}, headerItem, {
visibleIndex: visibleIndex++,
path: path
});
if (isDefined(indexedItem.index)) {
indexedItems[indexedItem.index] = indexedItem
} else {
indexedItems.push(indexedItem)
}
}));
return indexedItems
}
function createScrollController(dataController, component, dataAdapter) {
if (component && "virtual" === component.option("scrolling.mode")) {
return new VirtualScrollController(component, extend({
hasKnownLastPage: function() {
return true
},
pageCount: function() {
return math.ceil(this.totalItemsCount() / this.pageSize())
},
updateLoading: function() {},
itemsCount: function() {
if (this.pageIndex() < this.pageCount() - 1) {
return this.pageSize()
} else {
return this.totalItemsCount() % this.pageSize()
}
},
items: function() {
return []
},
viewportItems: function() {
return []
},
onChanged: function() {},
isLoading: function() {
return dataController.isLoading()
},
changingDuration: function() {
var dataSource = dataController._dataSource;
if (dataSource.paginate()) {
return CHANGING_DURATION_IF_PAGINATE
}
return dataController._changingDuration || 0
}
}, dataAdapter))
}
}
var members = {
ctor: function(options) {
var that = this;
var virtualScrollControllerChanged = that._fireChanged.bind(that);
options = that._options = options || {};
that.dataSourceChanged = Callbacks();
that._dataSource = that._createDataSource(options);
that._rowsScrollController = createScrollController(that, options.component, {
totalItemsCount: function() {
return that.totalRowCount()
},
pageIndex: function(index) {
return that.rowPageIndex(index)
},
pageSize: function() {
return that.rowPageSize()
},
load: function() {
if (that._rowsScrollController.pageIndex() >= this.pageCount()) {
that._rowsScrollController.pageIndex(this.pageCount() - 1)
}
return that._rowsScrollController.handleDataChanged((function() {
if (that._dataSource.paginate()) {
that._dataSource.load()
} else {
virtualScrollControllerChanged.apply(this, arguments)
}
}))
}
});
that._columnsScrollController = createScrollController(that, options.component, {
totalItemsCount: function() {
return that.totalColumnCount()
},
pageIndex: function(index) {
return that.columnPageIndex(index)
},
pageSize: function() {
return that.columnPageSize()
},
load: function() {
if (that._columnsScrollController.pageIndex() >= this.pageCount()) {
that._columnsScrollController.pageIndex(this.pageCount() - 1)
}
return that._columnsScrollController.handleDataChanged((function() {
if (that._dataSource.paginate()) {
that._dataSource.load()
} else {
virtualScrollControllerChanged.apply(this, arguments)
}
}))
}
});
that._stateStoringController = new StateStoringController(options.component).init();
that._columnsInfo = [];
that._rowsInfo = [];
that._cellsInfo = [];
that.expandValueChanging = Callbacks();
that.loadingChanged = Callbacks();
that.progressChanged = Callbacks();
that.scrollChanged = Callbacks();
that.load();
that._update();
that.changed = Callbacks()
},
_fireChanged: function() {
var startChanging = new Date;
this.changed && !this._lockChanged && this.changed.fire();
this._changingDuration = new Date - startChanging
},
_correctSkipsTakes: function(rowIndex, rowSkip, rowSpan, levels, skips, takes) {
var endIndex = rowSpan ? rowIndex + rowSpan - 1 : rowIndex;
skips[levels.length] = skips[levels.length] || 0;
takes[levels.length] = takes[levels.length] || 0;
if (endIndex < rowSkip) {
skips[levels.length]++
} else {
takes[levels.length]++
}
},
_calculatePagingForRowExpandedPaths: function(options, skips, takes, rowExpandedSkips, rowExpandedTakes) {
var rows = this._rowsInfo;
var rowCount = Math.min(options.rowSkip + options.rowTake, rows.length);
var rowExpandedPaths = options.rowExpandedPaths;
var levels = [];
var expandedPathIndexes = {};
var i;
var j;
var path;
rowExpandedPaths.forEach((path, index) => {
expandedPathIndexes[path] = index
});
for (i = 0; i < rowCount; i++) {
takes.length = skips.length = levels.length + 1;
for (j = 0; j < rows[i].length; j++) {
var cell = rows[i][j];
if ("D" === cell.type) {
this._correctSkipsTakes(i, options.rowSkip, cell.rowspan, levels, skips, takes);
path = cell.path || path;
var expandIndex = path && path.length > 1 ? expandedPathIndexes[path.slice(0, -1)] : -1;
if (expandIndex >= 0) {
rowExpandedSkips[expandIndex] = skips[levels.length] || 0;
rowExpandedTakes[expandIndex] = takes[levels.length] || 0
}
if (cell.rowspan) {
levels.push(cell.rowspan)
}
}
}
levels = levels.map(level => level - 1).filter(level => level > 0)
}
},
_calculatePagingForColumnExpandedPaths: function(options, skips, takes, expandedSkips, expandedTakes) {
var skipByPath = {};
var takeByPath = {};
foreachColumnInfo(this._columnsInfo, (function(columnInfo, columnIndex) {
if ("D" === columnInfo.type && columnInfo.path && void 0 === columnInfo.dataIndex) {
var colspan = columnInfo.colspan || 1;
var path = columnInfo.path.slice(0, -1).toString();
skipByPath[path] = skipByPath[path] || 0;
takeByPath[path] = takeByPath[path] || 0;
if (columnIndex + colspan <= options.columnSkip) {
skipByPath[path]++
} else if (columnIndex < options.columnSkip + options.columnTake) {
takeByPath[path]++
}
}
}));
skips[0] = skipByPath[[]];
takes[0] = takeByPath[[]];
options.columnExpandedPaths.forEach((function(path, index) {
var skip = skipByPath[path];
var take = takeByPath[path];
if (void 0 !== skip) {
expandedSkips[index] = skip
}
if (void 0 !== take) {
expandedTakes[index] = take
}
}))
},
_processPagingForExpandedPaths: function(options, area, storeLoadOptions, reload) {
var expandedPaths = options[area + "ExpandedPaths"];
var expandedSkips = expandedPaths.map(() => 0);
var expandedTakes = expandedPaths.map(() => reload ? options.pageSize : 0);
var skips = [];
var takes = [];
if (!reload) {
if ("row" === area) {
this._calculatePagingForRowExpandedPaths(options, skips, takes, expandedSkips, expandedTakes)
} else {
this._calculatePagingForColumnExpandedPaths(options, skips, takes, expandedSkips, expandedTakes)
}
}
this._savePagingForExpandedPaths(options, area, storeLoadOptions, skips[0], takes[0], expandedSkips, expandedTakes)
},
_savePagingForExpandedPaths: function(options, area, storeLoadOptions, skip, take, expandedSkips, expandedTakes) {
var expandedPaths = options[area + "ExpandedPaths"];
options[area + "ExpandedPaths"] = [];
options[area + "Skip"] = void 0 !== skip ? skip : options[area + "Skip"];
options[area + "Take"] = void 0 !== take ? take : options[area + "Take"];
for (var i = 0; i < expandedPaths.length; i++) {
if (expandedTakes[i]) {
var isOppositeArea = options.area && options.area !== area;
storeLoadOptions.push(extend({
area: area,
headerName: area + "s"
}, options, {
[area + "Skip"]: expandedSkips[i],
[area + "Take"]: expandedTakes[i],
[isOppositeArea ? "oppositePath" : "path"]: expandedPaths[i]
}))
}
}
},
_handleCustomizeStoreLoadOptions: function(storeLoadOptions, reload) {
var options = storeLoadOptions[0];
var rowsScrollController = this._rowsScrollController;
if (this._dataSource.paginate() && rowsScrollController) {
var rowPageSize = rowsScrollController.pageSize();
if ("rows" === options.headerName) {
options.rowSkip = 0;
options.rowTake = rowPageSize;
options.rowExpandedPaths = []
} else {
options.rowSkip = rowsScrollController.beginPageIndex() * rowPageSize;
options.rowTake = (rowsScrollController.endPageIndex() - rowsScrollController.beginPageIndex() + 1) * rowPageSize;
this._processPagingForExpandedPaths(options, "row", storeLoadOptions, reload)
}
}
var columnsScrollController = this._columnsScrollController;
if (this._dataSource.paginate() && columnsScrollController) {
var columnPageSize = columnsScrollController.pageSize();
storeLoadOptions.forEach((options, index) => {
if ("columns" === options.headerName) {
options.columnSkip = 0;
options.columnTake = columnPageSize;
options.columnExpandedPaths = []
} else {
options.columnSkip = columnsScrollController.beginPageIndex() * columnPageSize;
options.columnTake = (columnsScrollController.endPageIndex() - columnsScrollController.beginPageIndex() + 1) * columnPageSize;
this._processPagingForExpandedPaths(options, "column", storeLoadOptions, reload)
}
})
}
},
load: function() {
var that = this;
var stateStoringController = this._stateStoringController;
if (stateStoringController.isEnabled() && !stateStoringController.isLoaded()) {
stateStoringController.load().always((function(state) {
if (state) {
that._dataSource.state(state)
} else {
that._dataSource.load()
}
}))
} else {
that._dataSource.load()
}
},
calculateVirtualContentParams: function(contentParams) {
var rowsScrollController = this._rowsScrollController;
var columnsScrollController = this._columnsScrollController;
if (rowsScrollController && columnsScrollController) {
rowsScrollController.viewportItemSize(contentParams.virtualRowHeight);
rowsScrollController.viewportSize(contentParams.viewportHeight / rowsScrollController.viewportItemSize());
rowsScrollController.setContentItemSizes(contentParams.itemHeights);
columnsScrollController.viewportItemSize(contentParams.virtualColumnWidth);
columnsScrollController.viewportSize(contentParams.viewportWidth / columnsScrollController.viewportItemSize());
columnsScrollController.setContentItemSizes(contentParams.itemWidths);
deferUpdate((function() {
columnsScrollController.loadIfNeed();
rowsScrollController.loadIfNeed()
}));
this.scrollChanged.fire({
left: columnsScrollController.getViewportPosition(),
top: rowsScrollController.getViewportPosition()
});
return {
contentTop: rowsScrollController.getContentOffset(),
contentLeft: columnsScrollController.getContentOffset(),
width: columnsScrollController.getVirtualContentSize(),
height: rowsScrollController.getVirtualContentSize()
}
}
},
setViewportPosition: function(left, top) {
this._rowsScrollController.setViewportPosition(top || 0);
this._columnsScrollController.setViewportPosition(left || 0)
},
subscribeToWindowScrollEvents: function($element) {
this._rowsScrollController && this._rowsScrollController.subscribeToWindowScrollEvents($element)
},
updateWindowScrollPosition: function(position) {
this._rowsScrollController && this._rowsScrollController.scrollTo(position)
},
updateViewOptions: function(options) {
extend(this._options, options);
this._update()
},
_handleExpandValueChanging: function(e) {
this.expandValueChanging.fire(e)
},
_handleLoadingChanged: function(isLoading) {
this.loadingChanged.fire(isLoading)
},
_handleProgressChanged: function(progress) {
this.progressChanged.fire(progress)
},
_handleFieldsPrepared: function(e) {
this._options.onFieldsPrepared && this._options.onFieldsPrepared(e)
},
_createDataSource: function(options) {
var that = this;
var dataSourceOptions = options.dataSource;
var dataSource;
that._isSharedDataSource = dataSourceOptions instanceof PivotGridDataSource;
if (that._isSharedDataSource) {
dataSource = dataSourceOptions
} else {
dataSource = new PivotGridDataSource(dataSourceOptions)
}
that._expandValueChangingHandler = that._handleExpandValueChanging.bind(that);
that._loadingChangedHandler = that._handleLoadingChanged.bind(that);
that._fieldsPreparedHandler = that._handleFieldsPrepared.bind(that);
that._customizeStoreLoadOptionsHandler = that._handleCustomizeStoreLoadOptions.bind(that);
that._changedHandler = function() {
that._update();
that.dataSourceChanged.fire()
};
that._progressChangedHandler = function(progress) {
that._handleProgressChanged(.8 * progress)
};
dataSource.on("changed", that._changedHandler);
dataSource.on("expandValueChanging", that._expandValueChangingHandler);
dataSource.on("loadingChanged", that._loadingChangedHandler);
dataSource.on("progressChanged", that._progressChangedHandler);
dataSource.on("fieldsPrepared", that._fieldsPreparedHandler);
dataSource.on("customizeStoreLoadOptions", that._customizeStoreLoadOptionsHandler);
return dataSource
},
getDataSource: function() {
return this._dataSource
},
isLoading: function() {
return this._dataSource.isLoading()
},
beginLoading: function() {
this._dataSource.beginLoading()
},
endLoading: function() {
this._dataSource.endLoading()
},
_update: function() {
var that = this;
var dataSource = that._dataSource;
var options = that._options;
var columnFields = dataSource.getAreaFields("column");
var rowFields = dataSource.getAreaFields("row");
var dataFields = dataSource.getAreaFields("data");
var dataFieldsForRows = "row" === options.dataFieldArea ? dataFields : [];
var dataFieldsForColumns = "row" !== options.dataFieldArea ? dataFields : [];
var data = dataSource.getData();
var hiddenTotals = function(dataFields) {
var result = [];
each(dataFields, (function(index, field) {
if (false === field.showTotals) {
result.push(index)
}
}));
return result
}(dataFields);
var hiddenValues = function(dataFields) {
var result = [];
dataFields.forEach((function(field, index) {
if (void 0 === field.showValues && false === field.showTotals || false === field.showValues) {
result.push(index)
}
}));
return result
}(dataFields);
var hiddenGrandTotals = function(dataFields, columnFields) {
var result = [];
each(dataFields, (function(index, field) {
if (false === field.showGrandTotals) {
result.push(index)
}
}));
if (0 === columnFields.length && result.length === dataFields.length) {
result = []
}
return result
}(dataFields, columnFields);
var grandTotalsAreHiddenForNotAllDataFields = dataFields.length > 0 ? hiddenGrandTotals.length !== dataFields.length : true;
var rowOptions = {
isEmptyGrandTotal: data.isEmptyGrandTotalRow,
texts: options.texts || {},
hiddenTotals: hiddenTotals,
hiddenValues: hiddenValues,
hiddenGrandTotals: [],
showTotals: options.showRowTotals,
showGrandTotals: false !== options.showRowGrandTotals && grandTotalsAreHiddenForNotAllDataFields,
sortBySummaryPaths: createSortPaths(columnFields, dataFields),
showTotalsPrior: "rows" === options.showTotalsPrior || "both" === options.showTotalsPrior,
showEmpty: !options.hideEmptySummaryCells,
layout: options.rowHeaderLayout,
fields: rowFields,
dataFields: dataFields,
progress: 0
};
var columnOptions = {
isEmptyGrandTotal: data.isEmptyGrandTotalColumn,
texts: options.texts || {},
hiddenTotals: hiddenTotals,
hiddenValues: hiddenValues,
hiddenGrandTotals: hiddenGrandTotals,
showTotals: options.showColumnTotals,
showTotalsPrior: "columns" === options.showTotalsPrior || "both" === options.showTotalsPrior,
showGrandTotals: false !== options.showColumnGrandTotals && grandTotalsAreHiddenForNotAllDataFields,
sortBySummaryPaths: createSortPaths(rowFields, dataFields),
showEmpty: !options.hideEmptySummaryCells,
fields: columnFields,
dataFields: dataFields,
progress: 0
};
var notifyProgress = function(progress) {
this.progress = progress;
that._handleProgressChanged(.8 + .1 * rowOptions.progress + .1 * columnOptions.progress)
};
rowOptions.notifyProgress = notifyProgress;
columnOptions.notifyProgress = notifyProgress;
if (!isDefined(data.grandTotalRowIndex)) {
data.grandTotalRowIndex = getHeaderIndexedItems(data.rows, rowOptions).length
}
if (!isDefined(data.grandTotalColumnIndex)) {
data.grandTotalColumnIndex = getHeaderIndexedItems(data.columns, columnOptions).length
}
dataSource._changeLoadingCount(1);
when(createHeaderInfo(data.columns, columnFields, dataFieldsForColumns, true, columnOptions), createHeaderInfo(data.rows, rowFields, dataFieldsForRows, false, rowOptions)).always((function() {
dataSource._changeLoadingCount(-1)
})).done((function(columnsInfo, rowsInfo) {
that._columnsInfo = columnsInfo;
that._rowsInfo = rowsInfo;
if (that._rowsScrollController && that._columnsScrollController && that.changed && !that._dataSource.paginate()) {
that._lockChanged = true;
that._rowsScrollController.load();
that._columnsScrollController.load();
that._lockChanged = false
}
})).done((function() {
that._fireChanged();
if (that._stateStoringController.isEnabled() && !that._dataSource.isLoading()) {
that._stateStoringController.state(that._dataSource.state());
that._stateStoringController.save()
}
}))
},
getRowsInfo: function(getAllData) {
var rowsInfo = this._rowsInfo;
var scrollController = this._rowsScrollController;
var rowspan;
if (scrollController && !getAllData) {
var startIndex = scrollController.beginPageIndex() * this.rowPageSize();
var endIndex = scrollController.endPageIndex() * this.rowPageSize() + this.rowPageSize();
var newRowsInfo = [];
var maxDepth = 1;
foreachRowInfo(rowsInfo, (function(rowInfo, visibleIndex, rowIndex, _, columnIndex) {
var isVisible = visibleIndex >= startIndex && rowIndex < endIndex;
var index = rowIndex < startIndex ? 0 : rowIndex - startIndex;
var cell = rowInfo;
if (isVisible) {
newRowsInfo[index] = newRowsInfo[index] || [];
rowspan = rowIndex < startIndex ? rowInfo.rowspan - (startIndex - rowIndex) || 1 : rowInfo.rowspan;
if (startIndex + index + rowspan > endIndex) {
rowspan = endIndex - (index + startIndex) || 1
}
if (rowspan !== rowInfo.rowspan) {
cell = extend({}, cell, {
rowspan: rowspan
})
}
newRowsInfo[index].push(cell);
maxDepth = math.max(maxDepth, columnIndex + 1)
} else if (void 0 > endIndex) {
return false
}
}));
foreachRowInfo(newRowsInfo, (function(rowInfo, visibleIndex, rowIndex, columnIndex, realColumnIndex) {
var colspan = rowInfo.colspan || 1;
if (realColumnIndex + colspan > maxDepth) {
newRowsInfo[rowIndex][columnIndex] = extend({}, rowInfo, {
colspan: maxDepth - realColumnIndex || 1
})
}
}));
return newRowsInfo
}
return rowsInfo
},
getColumnsInfo: function(getAllData) {
var info = this._columnsInfo;
var scrollController = this._columnsScrollController;
if (scrollController && !getAllData) {
var startIndex = scrollController.beginPageIndex() * this.columnPageSize();
var endIndex = scrollController.endPageIndex() * this.columnPageSize() + this.columnPageSize();
info = createColumnsInfo(info, startIndex, endIndex)
}
return info
},
totalRowCount: function() {
return this._rowsInfo.length
},
rowPageIndex: function(index) {
if (void 0 !== index) {
this._rowPageIndex = index
}
return this._rowPageIndex || 0
},
totalColumnCount: function() {
var count = 0;
if (this._columnsInfo && this._columnsInfo.length) {
for (var i = 0; i < this._columnsInfo[0].length; i++) {
count += this._columnsInfo[0][i].colspan || 1
}
}
return count
},
rowPageSize: function(size) {
if (void 0 !== size) {
this._rowPageSize = size
}
return this._rowPageSize || 20
},
columnPageSize: function(size) {
if (void 0 !== size) {
this._columnPageSize = size
}
return this._columnPageSize || 20
},
columnPageIndex: function(index) {
if (void 0 !== index) {
this._columnPageIndex = index
}
return this._columnPageIndex || 0
},
getCellsInfo: function(getAllData) {
var rowsInfo = this.getRowsInfo(getAllData);
var columnsInfo = this.getColumnsInfo(getAllData);
var data = this._dataSource.getData();
var texts = this._options.texts || {};
return function(rowsInfo, columnsInfo, data, dataFields, dataFieldArea, errorText) {
var info = [];
var dataFieldAreaInRows = "row" === dataFieldArea;
var dataSourceCells = data.values;
dataSourceCells.length && foreachRowInfo(rowsInfo, (function(rowInfo, rowIndex) {
var row = info[rowIndex] = [];
var dataRow = dataSourceCells[rowInfo.dataSourceIndex >= 0 ? rowInfo.dataSourceIndex : data.grandTotalRowIndex] || [];
rowInfo.isLast && foreachColumnInfo(columnsInfo, (function(columnInfo, columnIndex) {
var dataIndex = (dataFieldAreaInRows ? rowInfo.dataIndex : columnInfo.dataIndex) || 0;
var dataField = dataFields[dataIndex];
if (columnInfo.isLast && dataField) {
var cell = dataRow[columnInfo.dataSourceIndex >= 0 ? columnInfo.dataSourceIndex : data.grandTotalColumnIndex];
if (!Array.isArray(cell)) {
cell = [cell]
}
var cellValue = cell[dataIndex];
row[columnIndex] = {
text: formatCellValue(cellValue, dataField,