devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/grid_core/ui.grid_core.rows.js)
* Version: 21.2.3
* Build date: Thu Oct 28 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import _extends from "@babel/runtime/helpers/esm/extends";
import {
getHeight,
getOuterHeight,
getWidth
} from "../../core/utils/size";
import $ from "../../core/renderer";
import {
getWindow,
hasWindow
} from "../../core/utils/window";
import eventsEngine from "../../events/core/events_engine";
import {
deferRender,
deferUpdate
} from "../../core/utils/common";
import {
setHeight
} from "../../core/utils/style";
import {
isDefined,
isNumeric,
isString
} from "../../core/utils/type";
import {
each
} from "../../core/utils/iterator";
import {
extend
} from "../../core/utils/extend";
import {
getBoundingRect,
getDefaultAlignment
} from "../../core/utils/position";
import {
isEmpty
} from "../../core/utils/string";
import {
compileGetter
} from "../../core/utils/data";
import gridCoreUtils from "./ui.grid_core.utils";
import {
ColumnsView
} from "./ui.grid_core.columns_view";
import Scrollable from "../scroll_view/ui.scrollable";
import {
removeEvent
} from "../../core/remove_event";
import messageLocalization from "../../localization/message";
import browser from "../../core/utils/browser";
import getScrollRtlBehavior from "../../core/utils/scroll_rtl_behavior";
var ROWS_VIEW_CLASS = "rowsview";
var CONTENT_CLASS = "content";
var NOWRAP_CLASS = "nowrap";
var GROUP_ROW_CLASS = "dx-group-row";
var GROUP_CELL_CLASS = "dx-group-cell";
var DATA_ROW_CLASS = "dx-data-row";
var FREE_SPACE_CLASS = "dx-freespace-row";
var ROW_LINES_CLASS = "dx-row-lines";
var COLUMN_LINES_CLASS = "dx-column-lines";
var ROW_ALTERNATION_CLASS = "dx-row-alt";
var LAST_ROW_BORDER = "dx-last-row-border";
var EMPTY_CLASS = "dx-empty";
var ROW_INSERTED_ANIMATION_CLASS = "row-inserted-animation";
var LOADPANEL_HIDE_TIMEOUT = 200;
function getMaxHorizontalScrollOffset(scrollable) {
return scrollable ? Math.round(scrollable.scrollWidth() - scrollable.clientWidth()) : 0
}
export var rowsModule = {
defaultOptions: function() {
return {
hoverStateEnabled: false,
scrolling: {
useNative: "auto"
},
loadPanel: {
enabled: "auto",
text: messageLocalization.format("Loading"),
width: 200,
height: 90,
showIndicator: true,
indicatorSrc: "",
showPane: true
},
dataRowTemplate: null,
columnAutoWidth: false,
noDataText: messageLocalization.format("dxDataGrid-noDataText"),
wordWrapEnabled: false,
showColumnLines: true,
showRowLines: false,
rowAlternationEnabled: false,
activeStateEnabled: false,
twoWayBindingEnabled: true
}
},
views: {
rowsView: ColumnsView.inherit(function() {
var defaultCellTemplate = function($container, options) {
var isDataTextEmpty = isEmpty(options.text) && "data" === options.rowType;
var text = options.text;
var container = $container.get(0);
if (isDataTextEmpty) {
gridCoreUtils.setEmptyText($container)
} else if (options.column.encodeHtml) {
container.textContent = text
} else {
container.innerHTML = text
}
};
return {
_getDefaultTemplate: function(column) {
switch (column.command) {
case "empty":
return function(container) {
container.html(" ")
};
default:
return defaultCellTemplate
}
},
_getDefaultGroupTemplate: function(column) {
var summaryTexts = this.option("summary.texts");
return function($container, options) {
var data = options.data;
var text = options.column.caption + ": " + options.text;
var container = $container.get(0);
if (options.summaryItems && options.summaryItems.length) {
text += " " + gridCoreUtils.getGroupRowSummaryText(options.summaryItems, summaryTexts)
}
if (data) {
if (options.groupContinuedMessage && options.groupContinuesMessage) {
text += " (" + options.groupContinuedMessage + ". " + options.groupContinuesMessage + ")"
} else if (options.groupContinuesMessage) {
text += " (" + options.groupContinuesMessage + ")"
} else if (options.groupContinuedMessage) {
text += " (" + options.groupContinuedMessage + ")"
}
}
$container.addClass(GROUP_CELL_CLASS);
if (column.encodeHtml) {
container.textContent = text
} else {
container.innerHTML = text
}
}
},
_update: function() {},
_getCellTemplate: function(options) {
var column = options.column;
var template;
if ("group" === options.rowType && isDefined(column.groupIndex) && !column.showWhenGrouped && !column.command) {
template = column.groupCellTemplate || {
allowRenderToDetachedContainer: true,
render: this._getDefaultGroupTemplate(column)
}
} else if (("data" === options.rowType || column.command) && column.cellTemplate) {
template = column.cellTemplate
} else {
template = {
allowRenderToDetachedContainer: true,
render: this._getDefaultTemplate(column)
}
}
return template
},
_createRow: function(row) {
var $row = this.callBase.apply(this, arguments);
if (row) {
var isGroup = "group" === row.rowType;
var isDataRow = "data" === row.rowType;
isDataRow && $row.addClass(DATA_ROW_CLASS);
isDataRow && this.option("showRowLines") && $row.addClass(ROW_LINES_CLASS);
this.option("showColumnLines") && $row.addClass(COLUMN_LINES_CLASS);
if (false === row.visible) {
$row.hide()
}
if (isGroup) {
$row.addClass(GROUP_ROW_CLASS);
var isRowExpanded = row.isExpanded;
this.setAria("role", "row", $row);
this.setAria("expanded", isDefined(isRowExpanded) && isRowExpanded.toString(), $row)
}
}
return $row
},
_rowPrepared: function($row, rowOptions, row) {
if ("data" === rowOptions.rowType) {
if (this.option("rowAlternationEnabled")) {
this._isAltRow(row) && $row.addClass(ROW_ALTERNATION_CLASS);
rowOptions.watch && rowOptions.watch(() => this._isAltRow(row), value => {
$row.toggleClass(ROW_ALTERNATION_CLASS, value)
})
}
this._setAriaRowIndex(rowOptions, $row);
rowOptions.watch && rowOptions.watch(() => rowOptions.rowIndex, () => this._setAriaRowIndex(rowOptions, $row))
}
this.callBase.apply(this, arguments)
},
_setAriaRowIndex: function(row, $row) {
var component = this.component;
var isPagerMode = "standard" === component.option("scrolling.mode") && !gridCoreUtils.isVirtualRowRendering(component);
var rowIndex = row.rowIndex + 1;
if (isPagerMode) {
rowIndex = component.pageIndex() * component.pageSize() + rowIndex
} else {
rowIndex += this._dataController.getRowIndexOffset()
}
this.setAria("rowindex", rowIndex, $row)
},
_afterRowPrepared: function(e) {
var arg = e.args[0];
var dataController = this._dataController;
var row = dataController.getVisibleRows()[arg.rowIndex];
var watch = this.option("integrationOptions.watchMethod");
if (!arg.data || "data" !== arg.rowType || arg.isNewRow || !this.option("twoWayBindingEnabled") || !watch || !row) {
return
}
var dispose = watch(() => dataController.generateDataValues(arg.data, arg.columns), () => {
dataController.repaintRows([row.rowIndex], this.option("repaintChangesOnly"))
}, {
deep: true,
skipImmediate: true
});
eventsEngine.on(arg.rowElement, removeEvent, dispose)
},
_renderScrollable: function(force) {
var $element = this.element();
if (!$element.children().length) {
$element.append("<div>")
}
if (force || !this._loadPanel) {
this._renderLoadPanel($element, $element.parent(), this._dataController.isLocalStore())
}
if ((force || !this.getScrollable()) && this._dataController.isLoaded()) {
var columns = this.getColumns();
var allColumnsHasWidth = true;
for (var i = 0; i < columns.length; i++) {
if (!columns[i].width && !columns[i].minWidth) {
allColumnsHasWidth = false;
break
}
}
if (this.option("columnAutoWidth") || this._hasHeight || allColumnsHasWidth || this._columnsController._isColumnFixing()) {
this._renderScrollableCore($element)
}
}
},
_handleScroll: function(e) {
var rtlEnabled = this.option("rtlEnabled");
var isNativeScrolling = e.component.option("useNative");
this._scrollTop = e.scrollOffset.top;
this._scrollLeft = e.scrollOffset.left;
var scrollLeft = e.scrollOffset.left;
if (rtlEnabled) {
this._scrollRight = getMaxHorizontalScrollOffset(e.component) - this._scrollLeft;
if (isNativeScrolling) {
scrollLeft = getScrollRtlBehavior().positive ? this._scrollRight : -this._scrollRight
}
if (!this.isScrollbarVisible(true)) {
this._scrollLeft = -1
}
}
this.scrollChanged.fire(_extends({}, e.scrollOffset, {
left: scrollLeft
}), this.name)
},
_renderScrollableCore: function($element) {
var dxScrollableOptions = this._createScrollableOptions();
var scrollHandler = this._handleScroll.bind(this);
dxScrollableOptions.onScroll = scrollHandler;
this._scrollable = this._createComponent($element, Scrollable, dxScrollableOptions);
this._scrollableContainer = this._scrollable && $(this._scrollable.container())
},
_renderLoadPanel: gridCoreUtils.renderLoadPanel,
_renderContent: function(contentElement, tableElement) {
contentElement.empty().append(tableElement);
return this._findContentElement()
},
_updateContent: function(newTableElement, change) {
var that = this;
var tableElement = that.getTableElement();
var contentElement = that._findContentElement();
var changeType = change && change.changeType;
var executors = [];
var highlightChanges = this.option("highlightChanges");
var rowInsertedClass = this.addWidgetPrefix(ROW_INSERTED_ANIMATION_CLASS);
switch (changeType) {
case "update":
each(change.rowIndices, (function(index, rowIndex) {
var $newRowElement = that._getRowElements(newTableElement).eq(index);
var changeType = change.changeTypes && change.changeTypes[index];
var item = change.items && change.items[index];
executors.push((function() {
var $rowsElement = that._getRowElements();
var $rowElement = $rowsElement.eq(rowIndex);
switch (changeType) {
case "update":
if (item) {
var columnIndices = change.columnIndices && change.columnIndices[index];
if (isDefined(item.visible) && item.visible !== $rowElement.is(":visible")) {
$rowElement.toggle(item.visible)
} else if (columnIndices) {
that._updateCells($rowElement, $newRowElement, columnIndices)
} else {
$rowElement.replaceWith($newRowElement)
}
}
break;
case "insert":
if (!$rowsElement.length) {
if (tableElement) {
var target = $newRowElement.is("tbody") ? tableElement : tableElement.children("tbody");
$newRowElement.prependTo(target)
}
} else if ($rowElement.length) {
$newRowElement.insertBefore($rowElement)
} else {
$newRowElement.insertAfter($rowsElement.last())
}
if (highlightChanges && change.isLiveUpdate) {
$newRowElement.addClass(rowInsertedClass)
}
break;
case "remove":
$rowElement.remove()
}
}))
}));
each(executors, (function() {
this()
}));
newTableElement.remove();
break;
default:
that.setTableElement(newTableElement);
contentElement.addClass(that.addWidgetPrefix(CONTENT_CLASS));
that._renderContent(contentElement, newTableElement)
}
},
_createEmptyRow: function(className, isFixed, height) {
var $cell;
var $row = this._createRow();
var columns = isFixed ? this.getFixedColumns() : this.getColumns();
$row.addClass(className).toggleClass(COLUMN_LINES_CLASS, this.option("showColumnLines"));
for (var i = 0; i < columns.length; i++) {
$cell = this._createCell({
column: columns[i],
rowType: "freeSpace",
columnIndex: i,
columns: columns
});
isNumeric(height) && $cell.css("height", height);
$row.append($cell)
}
this.setAria("role", "presentation", $row);
return $row
},
_appendEmptyRow: function($table, $emptyRow, location) {
var $tBodies = this._getBodies($table);
var isTableContainer = !$tBodies.length || $emptyRow.is("tbody");
var $container = isTableContainer ? $table : $tBodies;
if ("top" === location) {
$container.first().prepend($emptyRow);
if (isTableContainer) {
var $colgroup = $container.children("colgroup");
$container.prepend($colgroup)
}
} else {
$container.last().append($emptyRow)
}
},
_renderFreeSpaceRow: function($tableElement) {
var $freeSpaceRowElement = this._createEmptyRow(FREE_SPACE_CLASS);
$freeSpaceRowElement = this._wrapRowIfNeed($tableElement, $freeSpaceRowElement);
this._appendEmptyRow($tableElement, $freeSpaceRowElement)
},
_checkRowKeys: function(options) {
var that = this;
var rows = that._getRows(options);
var keyExpr = that._dataController.store() && that._dataController.store().key();
keyExpr && rows.some((function(row) {
if ("data" === row.rowType && void 0 === row.key) {
that._dataController.fireError("E1046", keyExpr);
return true
}
}))
},
_needUpdateRowHeight: function(itemsCount) {
return itemsCount > 0 && !this._rowHeight
},
_getRowsHeight: function($tableElement) {
var $rowElements = $tableElement.children("tbody").children().not(".dx-virtual-row").not("." + FREE_SPACE_CLASS);
return $rowElements.toArray().reduce((function(sum, row) {
return sum + getBoundingRect(row).height
}), 0)
},
_updateRowHeight: function() {
var $tableElement = this.getTableElement();
var itemsCount = this._dataController.items().length;
if ($tableElement && this._needUpdateRowHeight(itemsCount)) {
var rowsHeight = this._getRowsHeight($tableElement);
this._rowHeight = rowsHeight / itemsCount
}
},
_findContentElement: function() {
var $content = this.element();
var scrollable = this.getScrollable();
if ($content) {
if (scrollable) {
$content = $(scrollable.content())
}
return $content.children().first()
}
},
_getRowElements: function(tableElement) {
var $rows = this.callBase(tableElement);
return $rows && $rows.not("." + FREE_SPACE_CLASS)
},
_getFreeSpaceRowElements: function($table) {
var tableElements = $table || this.getTableElements();
return tableElements && tableElements.children("tbody").children("." + FREE_SPACE_CLASS)
},
_getNoDataText: function() {
return this.option("noDataText")
},
_rowClick: function(e) {
var item = this._dataController.items()[e.rowIndex] || {};
this.executeAction("onRowClick", extend({
evaluate: function(expr) {
var getter = compileGetter(expr);
return getter(item.data)
}
}, e, item))
},
_rowDblClick: function(e) {
var item = this._dataController.items()[e.rowIndex] || {};
this.executeAction("onRowDblClick", extend({}, e, item))
},
_getColumnsCountBeforeGroups: function(columns) {
for (var i = 0; i < columns.length; i++) {
if ("groupExpand" === columns[i].type) {
return i
}
}
return 0
},
_getGroupCellOptions: function(options) {
var columnsCountBeforeGroups = this._getColumnsCountBeforeGroups(options.columns);
var columnIndex = (options.row.groupIndex || 0) + columnsCountBeforeGroups;
return {
columnIndex: columnIndex,
colspan: options.columns.length - columnIndex - 1
}
},
_renderCells: function($row, options) {
if ("group" === options.row.rowType) {
this._renderGroupedCells($row, options)
} else if (options.row.values) {
this.callBase($row, options)
}
},
_renderGroupedCells: function($row, options) {
var row = options.row;
var expandColumn;
var columns = options.columns;
var rowIndex = row.rowIndex;
var isExpanded;
var groupCellOptions = this._getGroupCellOptions(options);
for (var i = 0; i <= groupCellOptions.columnIndex; i++) {
if (i === groupCellOptions.columnIndex && columns[i].allowCollapsing && "infinite" !== options.scrollingMode) {
isExpanded = !!row.isExpanded;
expandColumn = columns[i]
} else {
isExpanded = null;
expandColumn = {
command: "expand",
cssClass: columns[i].cssClass
}
}
this._renderCell($row, {
value: isExpanded,
row: row,
rowIndex: rowIndex,
column: expandColumn,
columnIndex: i
})
}
var groupColumnAlignment = getDefaultAlignment(this.option("rtlEnabled"));
var groupColumn = extend({}, columns[groupCellOptions.columnIndex], {
command: null,
cssClass: null,
width: null,
showWhenGrouped: false,
alignment: groupColumnAlignment
});
if (groupCellOptions.colspan > 1) {
groupColumn.colspan = groupCellOptions.colspan
}
this._renderCell($row, {
value: row.values[row.groupIndex],
row: row,
rowIndex: rowIndex,
column: groupColumn,
columnIndex: groupCellOptions.columnIndex
})
},
_renderRows: function($table, options) {
var scrollingMode = this.option("scrolling.mode");
this.callBase($table, extend({
scrollingMode: scrollingMode
}, options));
this._checkRowKeys(options.change);
this._renderFreeSpaceRow($table);
if (!this._hasHeight) {
this.updateFreeSpaceRowHeight($table)
}
},
_renderDataRowByTemplate($table, options, dataRowTemplate) {
var row = options.row;
var rowOptions = extend({
columns: options.columns
}, row);
var $tbody = this._createRow(row, "tbody");
$tbody.appendTo($table);
this.renderTemplate($tbody, dataRowTemplate, rowOptions, true, options.change);
this._rowPrepared($tbody, rowOptions, options.row)
},
_renderRow: function($table, options) {
var row = options.row;
var rowTemplate = this.option().rowTemplate;
var dataRowTemplate = this.option("dataRowTemplate");
if ("data" === row.rowType && dataRowTemplate) {
this._renderDataRowByTemplate($table, options, dataRowTemplate)
} else if (("data" === row.rowType || "group" === row.rowType) && !isDefined(row.groupIndex) && rowTemplate) {
this.renderTemplate($table, rowTemplate, extend({
columns: options.columns
}, row), true)
} else {
this.callBase($table, options)
}
},
_renderTable: function(options) {
var that = this;
var $table = that.callBase(options);
if (!isDefined(that.getTableElement())) {
that.setTableElement($table);
that._renderScrollable(true);
that.resizeCompleted.add((function resizeCompletedHandler() {
var scrollableInstance = that.getScrollable();
if (scrollableInstance && that.element().closest(getWindow().document).length) {
that.resizeCompleted.remove(resizeCompletedHandler);
scrollableInstance._visibilityChanged(true)
}
}))
} else {
that._renderScrollable()
}
return $table
},
_createTable: function() {
var $table = this.callBase.apply(this, arguments);
if (this.option().rowTemplate && !this.option("dataRowTemplate")) {
$table.appendTo(this.component.$element())
}
return $table
},
_renderCore: function(change) {
var $element = this.element();
$element.addClass(this.addWidgetPrefix(ROWS_VIEW_CLASS)).toggleClass(this.addWidgetPrefix(NOWRAP_CLASS), !this.option("wordWrapEnabled"));
$element.toggleClass(EMPTY_CLASS, this._dataController.isEmpty());
this.setAria("role", "presentation", $element);
var $table = this._renderTable({
change: change
});
this._updateContent($table, change);
this.callBase(change);
this._lastColumnWidths = null
},
_getRows: function(change) {
return change && change.items || this._dataController.items()
},
_getCellOptions: function(options) {
var column = options.column;
var row = options.row;
var data = row.data;
var summaryCells = row && row.summaryCells;
var value = options.value;
var displayValue = gridCoreUtils.getDisplayValue(column, value, data, row.rowType);
var parameters = this.callBase(options);
parameters.value = value;
parameters.oldValue = options.oldValue;
parameters.displayValue = displayValue;
parameters.row = row;
parameters.key = row.key;
parameters.data = data;
parameters.rowType = row.rowType;
parameters.values = row.values;
parameters.text = !column.command ? gridCoreUtils.formatValue(displayValue, column) : "";
parameters.rowIndex = row.rowIndex;
parameters.summaryItems = summaryCells && summaryCells[options.columnIndex];
parameters.resized = column.resizedCallbacks;
if (isDefined(column.groupIndex) && !column.command) {
var groupingTextsOptions = this.option("grouping.texts");
var scrollingMode = this.option("scrolling.mode");
if ("virtual" !== scrollingMode && "infinite" !== scrollingMode) {
parameters.groupContinuesMessage = data && data.isContinuationOnNextPage && groupingTextsOptions && groupingTextsOptions.groupContinuesMessage;
parameters.groupContinuedMessage = data && data.isContinuation && groupingTextsOptions && groupingTextsOptions.groupContinuedMessage
}
}
return parameters
},
_setRowsOpacityCore: function($rows, visibleColumns, columnIndex, value) {
var columnsController = this._columnsController;
var columns = columnsController.getColumns();
var column = columns && columns[columnIndex];
var columnID = column && column.isBand && column.index;
each($rows, (function(rowIndex, row) {
if (!$(row).hasClass(GROUP_ROW_CLASS)) {
for (var i = 0; i < visibleColumns.length; i++) {
if (isNumeric(columnID) && columnsController.isParentBandColumn(visibleColumns[i].index, columnID) || visibleColumns[i].index === columnIndex) {
$rows.eq(rowIndex).children().eq(i).css({
opacity: value
});
if (!isNumeric(columnID)) {
break
}
}
}
}
}))
},
_getDevicePixelRatio: function() {
return getWindow().devicePixelRatio
},
renderNoDataText: gridCoreUtils.renderNoDataText,
getCellOptions: function(rowIndex, columnIdentifier) {
var rowOptions = this._dataController.items()[rowIndex];
var cellOptions;
var column;
if (rowOptions) {
if (isString(columnIdentifier)) {
column = this._columnsController.columnOption(columnIdentifier)
} else {
column = this._columnsController.getVisibleColumns()[columnIdentifier]
}
if (column) {
cellOptions = this._getCellOptions({
value: column.calculateCellValue(rowOptions.data),
rowIndex: rowOptions.rowIndex,
row: rowOptions,
column: column
})
}
}
return cellOptions
},
getRow: function(index) {
if (index >= 0) {
var rows = this._getRowElements();
if (rows.length > index) {
return $(rows[index])
}
}
},
updateFreeSpaceRowHeight: function($table) {
var dataController = this._dataController;
var itemCount = dataController.items(true).length;
var contentElement = this._findContentElement();
var freeSpaceRowElements = this._getFreeSpaceRowElements($table);
if (freeSpaceRowElements && contentElement && dataController.totalCount() >= 0) {
var isFreeSpaceRowVisible = false;
if (itemCount > 0) {
if (!this._hasHeight) {
var freeSpaceRowCount = dataController.pageSize() - itemCount;
var scrollingMode = this.option("scrolling.mode");
if (freeSpaceRowCount > 0 && dataController.pageCount() > 1 && "virtual" !== scrollingMode && "infinite" !== scrollingMode) {
setHeight(freeSpaceRowElements, freeSpaceRowCount * this._rowHeight);
isFreeSpaceRowVisible = true
}
if (!isFreeSpaceRowVisible && $table) {
setHeight(freeSpaceRowElements, 0)
} else {
freeSpaceRowElements.toggle(isFreeSpaceRowVisible)
}
this._updateLastRowBorder(isFreeSpaceRowVisible)
} else {
freeSpaceRowElements.hide();
deferUpdate(() => {
var scrollbarWidth = this.getScrollbarWidth(true);
var elementHeightWithoutScrollbar = getHeight(this.element()) - scrollbarWidth;
var contentHeight = getOuterHeight(contentElement);
var showFreeSpaceRow = elementHeightWithoutScrollbar - contentHeight > 0;
var rowsHeight = this._getRowsHeight(contentElement.children().first());
var $tableElement = $table || this.getTableElements();
var borderTopWidth = Math.ceil(parseFloat($tableElement.css("borderTopWidth")));
var heightCorrection = this._getHeightCorrection();
var resultHeight = elementHeightWithoutScrollbar - rowsHeight - borderTopWidth - heightCorrection;
if (showFreeSpaceRow) {
deferRender(() => {
freeSpaceRowElements.css("height", resultHeight);
isFreeSpaceRowVisible = true;
freeSpaceRowElements.show()
})
}
deferRender(() => this._updateLastRowBorder(isFreeSpaceRowVisible))
})
}
} else {
freeSpaceRowElements.css("height", 0);
freeSpaceRowElements.show();
this._updateLastRowBorder(true)
}
}
},
_getHeightCorrection: function() {
var isZoomedWebkit = browser.webkit && this._getDevicePixelRatio() >= 2;
var isChromeLatest = browser.chrome && browser.version >= 91;
var hasExtraBorderTop = browser.mozilla && browser.version >= 70 && !this.option("showRowLines");
return isZoomedWebkit || hasExtraBorderTop || isChromeLatest ? 1 : 0
},
_columnOptionChanged: function(e) {
var optionNames = e.optionNames;
if (e.changeTypes.grouping) {
return
}
if (optionNames.width || optionNames.visibleWidth) {
this.callBase(e);
this._fireColumnResizedCallbacks()
}
},
getScrollable: function() {
return this._scrollable
},
init: function() {
var that = this;
var dataController = that.getController("data");
that.callBase();
that._editorFactoryController = that.getController("editorFactory");
that._rowHeight = 0;
that._scrollTop = 0;
that._scrollLeft = -1;
that._scrollRight = 0;
that._hasHeight = false;
dataController.loadingChanged.add((function(isLoading, messageText) {
that.setLoading(isLoading, messageText)
}));
dataController.dataSourceChanged.add((function() {
if (that._scrollLeft >= 0) {
that._handleScroll({
component: that.getScrollable(),
scrollOffset: {
top: that._scrollTop,
left: that._scrollLeft
}
})
}
}))
},
_handleDataChanged: function(change) {
switch (change.changeType) {
case "refresh":
case "prepend":
case "append":
case "update":
this.render(null, change);
break;
default:
this._update(change)
}
},
publicMethods: function() {
return ["isScrollbarVisible", "getTopVisibleRowData", "getScrollbarWidth", "getCellElement", "getRowElement", "getScrollable"]
},
contentWidth: function() {
return getWidth(this.element()) - this.getScrollbarWidth()
},
getScrollbarWidth: function(isHorizontal) {
var scrollableContainer = this._scrollableContainer && this._scrollableContainer.get(0);
var scrollbarWidth = 0;
if (scrollableContainer) {
if (!isHorizontal) {
scrollbarWidth = scrollableContainer.clientWidth ? scrollableContainer.offsetWidth - scrollableContainer.clientWidth : 0
} else {
scrollbarWidth = scrollableContainer.clientHeight ? scrollableContainer.offsetHeight - scrollableContainer.clientHeight : 0;
scrollbarWidth += (that = this, scrollable = that.getScrollable(), scrollable ? Math.ceil(parseFloat($(scrollable.content()).css("paddingBottom"))) : 0)
}
}
var that, scrollable;
return scrollbarWidth > 0 ? scrollbarWidth : 0
},
_fireColumnResizedCallbacks: function() {
var lastColumnWidths = this._lastColumnWidths || [];
var columnWidths = [];
var columns = this.getColumns();
for (var i = 0; i < columns.length; i++) {
columnWidths[i] = columns[i].visibleWidth;
if (columns[i].resizedCallbacks && !isDefined(columns[i].groupIndex) && lastColumnWidths[i] !== columnWidths[i]) {
columns[i].resizedCallbacks.fire(columnWidths[i])
}
}
this._lastColumnWidths = columnWidths
},
_updateLastRowBorder: function(isFreeSpaceRowVisible) {
if (this.option("showBorders") && this.option("showRowLines") && !isFreeSpaceRowVisible) {
this.element().addClass(LAST_ROW_BORDER)
} else {
this.element().removeClass(LAST_ROW_BORDER)
}
},
_updateScrollable: function() {
var dxScrollable = Scrollable.getInstance(this.element());
if (dxScrollable) {
dxScrollable.update();
this._updateHorizontalScrollPosition()
}
},
_updateHorizontalScrollPosition: function() {
var scrollable = this.getScrollable();
var scrollLeft = scrollable && scrollable.scrollOffset().left;
var rtlEnabled = this.option("rtlEnabled");
if (rtlEnabled) {
var maxHorizontalScrollOffset = getMaxHorizontalScrollOffset(scrollable);
var scrollRight = maxHorizontalScrollOffset - scrollLeft;
if (scrollRight !== this._scrollRight) {
this._scrollLeft = maxHorizontalScrollOffset - this._scrollRight
}
}
if (this._scrollLeft >= 0 && scrollLeft !== this._scrollLeft) {
scrollable.scrollTo({
x: this._scrollLeft
})
}
},
_resizeCore: function() {
var that = this;
that._fireColumnResizedCallbacks();
that._updateRowHeight();
deferRender((function() {
that._renderScrollable();
that.renderNoDataText();
that.updateFreeSpaceRowHeight();
deferUpdate((function() {
that._updateScrollable()
}))
}))
},
scrollTo: function(location) {
var $element = this.element();
var dxScrollable = $element && Scrollable.getInstance($element);
if (dxScrollable) {
dxScrollable.scrollTo(location)
}
},
height: function(_height, hasHeight) {
var that = this;
var $element = this.element();
if (0 === arguments.length) {
return $element ? getOuterHeight($element, true) : 0
}
that._hasHeight = void 0 === hasHeight ? "auto" !== _height : hasHeight;
if (isDefined(_height) && $element) {
setHeight($element, _height)
}
},
setLoading: function(isLoading, messageText) {
var loadPanel = this._loadPanel;
var dataController = this._dataController;
var loadPanelOptions = this.option("loadPanel") || {};
var animation = dataController.isLoaded() ? loadPanelOptions.animation : null;
var $element = this.element();
if (!hasWindow()) {
return
}
if (!loadPanel && void 0 !== messageText && dataController.isLocalStore() && "auto" === loadPanelOptions.enabled && $element) {
this._renderLoadPanel($element, $element.parent());
loadPanel = this._loadPanel
}
if (loadPanel) {
var visibilityOptions = {
message: messageText || loadPanelOptions.text,
animation: animation,
visible: isLoading
};
if (isLoading) {
visibilityOptions.position = gridCoreUtils.calculateLoadPanelPosition($element)
}
clearTimeout(this._hideLoadingTimeoutID);
if (loadPanel.option("visible") && !isLoading) {
this._hideLoadingTimeoutID = setTimeout((function() {
loadPanel.option(visibilityOptions)
}), LOADPANEL_HIDE_TIMEOUT)
} else {
loadPanel.option(visibilityOptions)
}
}
},
setRowsOpacity: function(columnIndex, value) {
var $rows = this._getRowElements().not("." + GROUP_ROW_CLASS) || [];
this._setRowsOpacityCore($rows, this.getColumns(), columnIndex, value)
},
_getCellElementsCore: function(rowIndex) {
var $cells = this.callBase.apply(this, arguments);
if ($cells) {
var groupCellIndex = $cells.filter("." + GROUP_CELL_CLASS).index();
if (groupCellIndex >= 0 && $cells.length > groupCellIndex + 1) {
return $cells.slice(0, groupCellIndex + 1)
}
}
return $cells
},
_getBoundaryVisibleItemIndex: function(isTop, isFloor) {
var itemIndex = 0;
var prevOffset = 0;
var offset = 0;
var viewportBoundary = this._scrollTop;
var $contentElement = this._findContentElement();
var contentElementOffsetTop = $contentElement && $contentElement.offset().top;
var dataController = this.getController("data");
var items = dataController.items();
var tableElement = this.getTableElement();
if (items.length && tableElement) {
var rowElements = this._getRowElements(tableElement).filter(":visible");
if (!isTop) {
var height = this._hasHeight ? getOuterHeight(this.element()) : $(getWindow()).outerHeight();
viewportBoundary += height
}
for (itemIndex = 0; itemIndex < items.length; itemIndex++) {
prevOffset = offset;
var $rowElement = $(rowElements).eq(itemIndex);
if ($rowElement.length) {
offset = $rowElement.offset();
offset = (isTop ? offset.top : offset.top + getOuterHeight($rowElement)) - contentElementOffsetTop;
if (offset > viewportBoundary) {
if (itemIndex) {
if (isFloor || 2 * viewportBoundary < Math.round(offset + prevOffset)) {
itemIndex--
}
}
break
}
}
}
if (itemIndex && itemIndex === items.length) {
itemIndex--
}
}
return itemIndex
},
getTopVisibleItemIndex: function(isFloor) {
return this._getBoundaryVisibleItemIndex(true, isFloor)
},
getBottomVisibleItemIndex: function(isFloor) {
return this._getBoundaryVisibleItemIndex(false, isFloor)
},
getTopVisibleRowData: function() {
var itemIndex = this.getTopVisibleItemIndex();
var items = this._dataController.items();
if (items[itemIndex]) {
return items[itemIndex].data
}
},
_scrollToElement: function($element, offset) {
var scrollable = this.getScrollable();
scrollable && scrollable.scrollToElement($element, offset)
},
optionChanged: function(args) {
this.callBase(args);
switch (args.name) {
case "wordWrapEnabled":
case "showColumnLines":
case "showRowLines":
case "rowAlternationEnabled":
case "rowTemplate":
case "dataRowTemplate":
case "twoWayBindingEnabled":
this._invalidate(true, true);
args.handled = true;
break;
case "scrolling":
this._rowHeight = null;
this._tableElement = null;
args.handled = true;
break;
case "rtlEnabled":
this._rowHeight = null;
this._tableElement = null;
break;
case "loadPanel":
this._tableElement = null;
this._invalidate(true, "loadPanel.enabled" !== args.fullName);
args.handled = true;
break;
case "noDataText":
this.renderNoDataText();
args.handled = true
}
},
dispose: function() {
clearTimeout(this._hideLoadingTimeoutID);
this._scrollable && this._scrollable.dispose()
},
setScrollerSpacing: function() {},
_restoreErrorRow: function() {}
}
}())
}
};