@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
91 lines • 12.4 kB
JavaScript
var IgxExcelExporterService_1;
import { __decorate, __metadata } from "tslib";
import * as JSZip from 'jszip/dist/jszip';
import { EventEmitter, Injectable, Output } from '@angular/core';
import { ExcelElementsFactory } from './excel-elements-factory';
import { ExcelFolderTypes } from './excel-enums';
import { IgxBaseExporter } from '../exporter-common/base-export-service';
import { ExportUtilities } from '../exporter-common/export-utilities';
import { WorksheetData } from './worksheet-data';
/**
* **Ignite UI for Angular Excel Exporter Service** -
* [Documentation](https://www.infragistics.com/products/ignite-ui-angular/angular/components/exporter_excel.html)
*
* The Ignite UI for Angular Excel Exporter service can export data in Microsoft® Excel® format from both raw data
* (array) or from an `IgxGrid`.
*
* Example:
* ```typescript
* public localData = [
* { Name: "Eric Ridley", Age: "26" },
* { Name: "Alanis Brook", Age: "22" },
* { Name: "Jonathan Morris", Age: "23" }
* ];
*
* constructor(private excelExportService: IgxExcelExporterService) {
* }
*
* this.excelExportService.exportData(this.localData, new IgxExcelExporterOptions("FileName"));
* ```
*/
let IgxExcelExporterService = IgxExcelExporterService_1 = class IgxExcelExporterService extends IgxBaseExporter {
constructor() {
super(...arguments);
/**
* This event is emitted when the export process finishes.
* ```typescript
* this.exporterService.onExportEnded.subscribe((args: IExcelExportEndedEventArgs) => {
* // put event handler code here
* });
* ```
* @memberof IgxExcelExporterService
*/
this.onExportEnded = new EventEmitter();
}
static populateFolder(folder, zip, worksheetData) {
for (const childFolder of folder.childFolders(worksheetData)) {
const folderIntance = ExcelElementsFactory.getExcelFolder(childFolder);
const zipFolder = zip.folder(folderIntance.folderName);
IgxExcelExporterService_1.populateFolder(folderIntance, zipFolder, worksheetData);
}
for (const childFile of folder.childFiles(worksheetData)) {
const fileInstance = ExcelElementsFactory.getExcelFile(childFile);
fileInstance.writeElement(zip, worksheetData);
}
}
exportDataImplementation(data, options) {
if (this._isTreeGrid) {
let maxLevel = 0;
data.forEach((r) => {
maxLevel = Math.max(maxLevel, r.originalRowData.level);
});
if (maxLevel > 7) {
throw Error('Can create an outline of up to eight levels!');
}
}
const worksheetData = new WorksheetData(data, options, this._indexOfLastPinnedColumn, this._sort, this._isTreeGrid);
this._xlsx = new JSZip();
const rootFolder = ExcelElementsFactory.getExcelFolder(ExcelFolderTypes.RootExcelFolder);
IgxExcelExporterService_1.populateFolder(rootFolder, this._xlsx, worksheetData);
this._xlsx.generateAsync(IgxExcelExporterService_1.ZIP_OPTIONS).then((result) => {
this.saveFile(result, options.fileName);
this.onExportEnded.emit({ xlsx: this._xlsx });
});
}
saveFile(data, fileName) {
const blob = new Blob([ExportUtilities.stringToArrayBuffer(atob(data))], {
type: ''
});
ExportUtilities.saveBlobToFile(blob, fileName);
}
};
IgxExcelExporterService.ZIP_OPTIONS = { compression: 'DEFLATE', type: 'base64' };
__decorate([
Output(),
__metadata("design:type", Object)
], IgxExcelExporterService.prototype, "onExportEnded", void 0);
IgxExcelExporterService = IgxExcelExporterService_1 = __decorate([
Injectable()
], IgxExcelExporterService);
export { IgxExcelExporterService };
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* as JSZip from 'jszip/dist/jszip';\n\nimport { EventEmitter, Injectable, Output } from '@angular/core';\nimport { ExcelElementsFactory } from './excel-elements-factory';\nimport { ExcelFolderTypes } from './excel-enums';\nimport { IgxExcelExporterOptions } from './excel-exporter-options';\nimport { IExcelFolder } from './excel-interfaces';\nimport { IgxBaseExporter } from '../exporter-common/base-export-service';\nimport { ExportUtilities } from '../exporter-common/export-utilities';\nimport { WorksheetData } from './worksheet-data';\nimport { IBaseEventArgs } from '../../core/utils';\n\nexport interface IExcelExportEndedEventArgs extends IBaseEventArgs {\n    xlsx: JSZip;\n}\n\n/**\n * **Ignite UI for Angular Excel Exporter Service** -\n * [Documentation](https://www.infragistics.com/products/ignite-ui-angular/angular/components/exporter_excel.html)\n *\n * The Ignite UI for Angular Excel Exporter service can export data in Microsoft® Excel® format from both raw data\n * (array) or from an `IgxGrid`.\n *\n * Example:\n * ```typescript\n * public localData = [\n *   { Name: \"Eric Ridley\", Age: \"26\" },\n *   { Name: \"Alanis Brook\", Age: \"22\" },\n *   { Name: \"Jonathan Morris\", Age: \"23\" }\n * ];\n *\n * constructor(private excelExportService: IgxExcelExporterService) {\n * }\n *\n * this.excelExportService.exportData(this.localData, new IgxExcelExporterOptions(\"FileName\"));\n * ```\n */\n@Injectable()\nexport class IgxExcelExporterService extends IgxBaseExporter {\n\n    private static ZIP_OPTIONS = { compression: 'DEFLATE', type: 'base64' };\n    private _xlsx: JSZip;\n\n    /**\n     * This event is emitted when the export process finishes.\n     * ```typescript\n     * this.exporterService.onExportEnded.subscribe((args: IExcelExportEndedEventArgs) => {\n     * // put event handler code here\n     * });\n     * ```\n     * @memberof IgxExcelExporterService\n     */\n    @Output()\n    public onExportEnded = new EventEmitter<IExcelExportEndedEventArgs>();\n\n    private static populateFolder(folder: IExcelFolder, zip: JSZip, worksheetData: WorksheetData): any {\n        for (const childFolder of folder.childFolders(worksheetData)) {\n            const folderIntance = ExcelElementsFactory.getExcelFolder(childFolder);\n            const zipFolder = zip.folder(folderIntance.folderName);\n            IgxExcelExporterService.populateFolder(folderIntance, zipFolder, worksheetData);\n        }\n\n        for (const childFile of folder.childFiles(worksheetData)) {\n            const fileInstance = ExcelElementsFactory.getExcelFile(childFile);\n            fileInstance.writeElement(zip, worksheetData);\n        }\n    }\n\n    protected exportDataImplementation(data: any[], options: IgxExcelExporterOptions): void {\n        if (this._isTreeGrid) {\n            let maxLevel = 0;\n            data.forEach((r) => {\n                maxLevel = Math.max(maxLevel, r.originalRowData.level);\n            });\n            if (maxLevel > 7) {\n                throw Error('Can create an outline of up to eight levels!');\n            }\n        }\n\n        const worksheetData = new WorksheetData(data, options, this._indexOfLastPinnedColumn, this._sort, this._isTreeGrid);\n        this._xlsx = new JSZip();\n\n        const rootFolder = ExcelElementsFactory.getExcelFolder(ExcelFolderTypes.RootExcelFolder);\n        IgxExcelExporterService.populateFolder(rootFolder, this._xlsx, worksheetData);\n\n        this._xlsx.generateAsync(IgxExcelExporterService.ZIP_OPTIONS).then((result) => {\n            this.saveFile(result, options.fileName);\n\n            this.onExportEnded.emit({ xlsx: this._xlsx });\n        });\n    }\n\n    private saveFile(data: string, fileName: string): void {\n        const blob = new Blob([ExportUtilities.stringToArrayBuffer(atob(data))], {\n            type: ''\n        });\n\n        ExportUtilities.saveBlobToFile(blob, fileName);\n    }\n}\n"]}