devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/exporter/exceljs/export.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 {
isDefined,
isString,
isDate,
isObject,
isFunction
} from "../../core/utils/type";
import messageLocalization from "../../localization/message";
import {
ExportFormat
} from "./export_format";
import {
MergedRangesManager
} from "./export_merged_ranges_manager";
import {
extend
} from "../../core/utils/extend";
import {
hasWindow
} from "../../core/utils/window";
var MAX_DIGIT_WIDTH_IN_PIXELS = 7;
var MAX_EXCEL_COLUMN_WIDTH = 255;
export var Export = {
getFullOptions(options) {
var fullOptions = extend({}, options);
if (!(isDefined(fullOptions.worksheet) && isObject(fullOptions.worksheet))) {
throw Error('The "worksheet" field must contain an object.')
}
if (!isDefined(fullOptions.topLeftCell)) {
fullOptions.topLeftCell = {
row: 1,
column: 1
}
} else if (isString(fullOptions.topLeftCell)) {
var {
row: row,
col: col
} = fullOptions.worksheet.getCell(fullOptions.topLeftCell);
fullOptions.topLeftCell = {
row: row,
column: col
}
}
if (!isDefined(fullOptions.keepColumnWidths)) {
fullOptions.keepColumnWidths = true
}
if (!isDefined(fullOptions.loadPanel)) {
fullOptions.loadPanel = {}
}
if (!isDefined(fullOptions.loadPanel.enabled)) {
fullOptions.loadPanel.enabled = true
}
if (!isDefined(fullOptions.loadPanel.text)) {
fullOptions.loadPanel.text = messageLocalization.format("dxDataGrid-exporting")
}
return fullOptions
},
convertDateForExcelJS: date => new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds())),
setNumberFormat(excelCell, numberFormat) {
excelCell.numFmt = numberFormat
},
getCellStyles(dataProvider) {
var styles = dataProvider.getStyles();
styles.forEach(style => {
var numberFormat = this.tryConvertToExcelNumberFormat(style.format, style.dataType);
if (isDefined(numberFormat)) {
numberFormat = numberFormat.replace(/"/g, '"')
}
style.numberFormat = numberFormat
});
return styles
},
tryConvertToExcelNumberFormat(format, dataType) {
var newFormat = ExportFormat.formatObjectConverter(format, dataType);
var currency = newFormat.currency;
format = newFormat.format;
dataType = newFormat.dataType;
return ExportFormat.convertFormat(format, newFormat.precision, dataType, currency)
},
setAlignment(excelCell, wrapText, horizontalAlignment) {
excelCell.alignment = excelCell.alignment || {};
if (isDefined(wrapText)) {
excelCell.alignment.wrapText = wrapText
}
if (isDefined(horizontalAlignment)) {
excelCell.alignment.horizontal = horizontalAlignment
}
excelCell.alignment.vertical = "top"
},
setColumnsWidth(worksheet, widths, startColumnIndex) {
if (!isDefined(widths)) {
return
}
for (var i = 0; i < widths.length; i++) {
var columnWidth = widths[i];
if ("number" === typeof columnWidth && isFinite(columnWidth)) {
worksheet.getColumn(startColumnIndex + i).width = Math.min(MAX_EXCEL_COLUMN_WIDTH, Math.floor(columnWidth / MAX_DIGIT_WIDTH_IN_PIXELS * 100) / 100)
}
}
},
setLoadPanelOptions(component, options, renderLoadPanel) {
if (!hasWindow()) {
return
}
component._setOptionWithoutOptionChange("loadPanel", options);
renderLoadPanel(component)
},
export (options, helpers) {
var {
customizeCell: customizeCell,
component: component,
worksheet: worksheet,
topLeftCell: topLeftCell,
autoFilterEnabled: autoFilterEnabled,
keepColumnWidths: keepColumnWidths,
selectedRowsOnly: selectedRowsOnly,
loadPanel: loadPanel,
mergeRowFieldValues: mergeRowFieldValues,
mergeColumnFieldValues: mergeColumnFieldValues
} = options;
var initialLoadPanelOptions = extend({}, component.option("loadPanel"));
if ("animation" in component.option("loadPanel")) {
loadPanel.animation = null
}
this.setLoadPanelOptions(component, loadPanel, helpers._renderLoadPanel);
var wrapText = !!component.option("wordWrapEnabled");
worksheet.properties.outlineProperties = {
summaryBelow: false,
summaryRight: false
};
var cellRange = {
from: {
row: topLeftCell.row,
column: topLeftCell.column
},
to: {
row: topLeftCell.row,
column: topLeftCell.column
}
};
var dataProvider = component.getDataProvider(selectedRowsOnly);
return new Promise(resolve => {
dataProvider.ready().done(() => {
var columns = dataProvider.getColumns();
var dataRowsCount = dataProvider.getRowsCount();
if (keepColumnWidths) {
this.setColumnsWidth(worksheet, dataProvider.getColumnsWidths(), cellRange.from.column)
}
var mergedRangesManager = new MergedRangesManager(dataProvider, helpers, mergeRowFieldValues, mergeColumnFieldValues);
var styles = this.getCellStyles(dataProvider);
for (var rowIndex = 0; rowIndex < dataRowsCount; rowIndex++) {
var row = worksheet.getRow(cellRange.from.row + rowIndex);
helpers._trySetOutlineLevel(dataProvider, row, rowIndex);
this.exportRow(dataProvider, helpers, mergedRangesManager, rowIndex, columns.length, row, cellRange.from.column, customizeCell, wrapText, styles);
if (rowIndex >= 1) {
cellRange.to.row++
}
}
mergedRangesManager.applyMergedRages(worksheet);
cellRange.to.column += columns.length > 0 ? columns.length - 1 : 0;
var worksheetViewSettings = worksheet.views[0] || {};
if (component.option("rtlEnabled")) {
worksheetViewSettings.rightToLeft = true
}
if (helpers._isFrozenZone(dataProvider)) {
if (-1 === Object.keys(worksheetViewSettings).indexOf("state")) {
extend(worksheetViewSettings, helpers._getWorksheetFrozenState(dataProvider, cellRange))
}
helpers._trySetAutoFilter(dataProvider, worksheet, cellRange, autoFilterEnabled)
}
if (Object.keys(worksheetViewSettings).length > 0) {
worksheet.views = [worksheetViewSettings]
}
resolve(cellRange)
}).always(() => {
this.setLoadPanelOptions(component, initialLoadPanelOptions, helpers._renderLoadPanel)
})
})
},
exportRow(dataProvider, helpers, mergedRangesManager, rowIndex, cellCount, row, startColumnIndex, customizeCell, wrapText, styles) {
for (var cellIndex = 0; cellIndex < cellCount; cellIndex++) {
var cellData = dataProvider.getCellData(rowIndex, cellIndex, true);
var excelCell = row.getCell(startColumnIndex + cellIndex);
mergedRangesManager.updateMergedRanges(excelCell, rowIndex, cellIndex);
var cellInfo = mergedRangesManager.findMergedCellInfo(rowIndex, cellIndex);
if (isDefined(cellInfo) && excelCell !== cellInfo.masterCell) {
excelCell.style = cellInfo.masterCell.style;
excelCell.value = cellInfo.masterCell.value
} else {
if (isDate(cellData.value)) {
excelCell.value = this.convertDateForExcelJS(cellData.value)
} else {
excelCell.value = cellData.value
}
if (isDefined(excelCell.value)) {
var {
bold: bold,
alignment: horizontalAlignment,
numberFormat: numberFormat
} = styles[dataProvider.getStyleId(rowIndex, cellIndex)];
if (isDefined(numberFormat)) {
this.setNumberFormat(excelCell, numberFormat)
} else if (isString(excelCell.value) && /^[@=+-]/.test(excelCell.value)) {
this.setNumberFormat(excelCell, "@")
}
helpers._trySetFont(excelCell, bold);
this.setAlignment(excelCell, wrapText, horizontalAlignment)
}
}
if (isFunction(customizeCell)) {
customizeCell(helpers._getCustomizeCellOptions(excelCell, cellData.cellSourceData))
}
}
}
};