Enhance excel exporting

This commit is contained in:
Sean Engelhardt 2019-04-16 13:04:10 +02:00
parent f622d9b546
commit 9b9bf244c1
3 changed files with 59 additions and 10 deletions

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@ -43,7 +43,7 @@
"@tinymce/tinymce-angular": "^3.0.0",
"core-js": "^2.6.5",
"css-element-queries": "^1.1.1",
"exceljs": "1.8.0",
"exceljs": "1.9.0",
"file-saver": "^2.0.1",
"hammerjs": "^2.0.8",
"material-icon-font": "git+https://github.com/petergng/materialIconFont.git",

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@ -1,8 +1,16 @@
import { Injectable } from '@angular/core';
import { Worksheet, Workbook } from 'exceljs';
import { Worksheet, Workbook, Color, FillPatterns } from 'exceljs/dist/exceljs.min.js';
import { saveAs } from 'file-saver';
// interface required for filling cells (`cell.fill`)
export interface CellFillingDefinition {
type: 'pattern';
pattern: FillPatterns;
fgColor: Partial<Color>;
bgColor: Partial<Color>;
}
@Injectable({
providedIn: 'root'
})
@ -78,4 +86,20 @@ export class XlsxExportServiceService {
}
}
}
/**
* Tries to calculate a fitting row hight for a given text
*
* @param title The text to analyse
* @param columnWidth the width of the column to fit the text in
*/
public calcRowHeight(title: string, columnWidth: number): number {
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
ctx.font = '14pt Arial';
const metricsWidth = Math.floor(ctx.measureText(title).width);
const factor = Math.ceil(metricsWidth / (columnWidth * 10));
// add 1 for correction
return factor + 1;
}
}

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@ -1,12 +1,12 @@
import { Injectable } from '@angular/core';
import { Workbook } from 'exceljs';
import { Workbook } from 'exceljs/dist/exceljs.min.js';
import { InfoToExport } from './motion-pdf.service';
import { MotionRepositoryService } from 'app/core/repositories/motions/motion-repository.service';
import { TranslateService } from '@ngx-translate/core';
import { ViewMotion } from '../models/view-motion';
import { XlsxExportServiceService } from 'app/core/ui-services/xlsx-export-service.service';
import { XlsxExportServiceService, CellFillingDefinition } from 'app/core/ui-services/xlsx-export-service.service';
/**
* Service to export motion elements to XLSX
@ -15,6 +15,20 @@ import { XlsxExportServiceService } from 'app/core/ui-services/xlsx-export-servi
providedIn: 'root'
})
export class MotionXlsxExportService {
/**
* Defines the head row style
*/
private headRowFilling: CellFillingDefinition = {
type: 'pattern',
pattern: 'solid',
fgColor: {
argb: 'FFFFE699'
},
bgColor: {
argb: 'FFFFE699'
}
};
/**
* Constructor
*
@ -37,8 +51,17 @@ export class MotionXlsxExportService {
*/
public exportMotionList(motions: ViewMotion[], infoToExport: InfoToExport[]): void {
const workbook = new Workbook();
const worksheet = workbook.addWorksheet(this.translate.instant('Motions'));
const properties = ['identifier', 'title'].concat(infoToExport);
const worksheet = workbook.addWorksheet(this.translate.instant('Motions'), {
pageSetup: {
paperSize: 9,
orientation: 'portrait',
fitToPage: true,
fitToHeight: 5,
fitToWidth: properties.length,
printTitlesRow: '1:1'
}
});
// if the ID was exported as well, shift it to the first position
if (properties[properties.length - 1] === 'id') {
@ -51,11 +74,13 @@ export class MotionXlsxExportService {
};
});
// style the header row
worksheet.getRow(1).font = {
underline: true,
bold: true
};
worksheet.getRow(1).eachCell(cell => {
cell.font = {
underline: true,
bold: true
};
cell.fill = this.headRowFilling;
});
// map motion data to properties
const motionData = motions.map(motion =>