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Fix PDF-Footer logos

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Adds a routine to extract the pdf footer images
before the footer was generated
This commit is contained in:
Sean Engelhardt 2019-02-20 15:02:30 +01:00
parent 6eea064862
commit da3e8dc355
1 changed files with 25 additions and 21 deletions
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46
client/src/app/core/ui-services/pdf-document.service.ts
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@ -133,6 +133,8 @@ export class PdfDocumentService {
this.initFonts();
this.imageUrls = imageUrls ? imageUrls : [];
pdfMake.vfs = await this.initVfs();
// needs to be done before, cause the footer is async
this.loadFooterImages();
const result = {
pageSize: 'A4',
pageOrientation: landscape ? 'landscape' : 'portrait',
@ -277,8 +279,6 @@ export class PdfDocumentService {
* Creates the footer doc definition for normal PDF documents.
* Adds page numbers into the footer
*
* TODO: Add footer logos.
*
* @param currentPage holds the number of the current page
* @param pageCount holds the page count
* @param lrMargin optionally overriding the margins
@ -289,8 +289,8 @@ export class PdfDocumentService {
let logoContainerWidth: string;
let pageNumberPosition: string;
let logoContainerSize: number[];
let logoFooterLeftUrl = this.configService.instant<any>('logo_pdf_footer_L').path;
let logoFooterRightUrl = this.configService.instant<any>('logo_pdf_footer_R').path;
const logoFooterLeftUrl = this.configService.instant<any>('logo_pdf_footer_L').path;
const logoFooterRightUrl = this.configService.instant<any>('logo_pdf_footer_R').path;
// if there is a single logo, give it a lot of space
if (logoFooterLeftUrl && logoFooterRightUrl) {
@ -314,16 +314,12 @@ export class PdfDocumentService {
// add the left footer logo, if any
if (logoFooterLeftUrl) {
if (logoFooterLeftUrl.indexOf('/') === 0) {
logoFooterLeftUrl = logoFooterLeftUrl.substr(1); // remove trailing /
}
columns.push({
image: logoFooterLeftUrl,
fit: logoContainerSize,
width: logoContainerWidth,
alignment: 'left'
});
this.imageUrls.push(logoFooterLeftUrl);
}
// add the page number
@ -335,16 +331,12 @@ export class PdfDocumentService {
// add the right footer logo, if any
if (logoFooterRightUrl) {
if (logoFooterRightUrl.indexOf('/') === 0) {
logoFooterRightUrl = logoFooterRightUrl.substr(1); // remove trailing /
}
columns.push({
image: logoFooterRightUrl,
fit: logoContainerSize,
width: logoContainerWidth,
alignment: 'right'
});
this.imageUrls.push(logoFooterRightUrl);
}
const margin = [lrMargin ? lrMargin[0] : 75, 0, lrMargin ? lrMargin[0] : 75, 10];
@ -355,15 +347,6 @@ export class PdfDocumentService {
};
}
/**
* opens a pdf in a new tab
*
* @param docDefinition the structure of the PDF document
*/
public open(docDefinition: object, metadata?: object): void {
pdfMake.createPdf(this.getStandardPaper(docDefinition, metadata)).open();
}
/**
* Downloads a pdf with the standard page definitions.
*
@ -530,6 +513,23 @@ export class PdfDocumentService {
};
}
/**
* Adds the footer images to the imageUrls-list, cause the create footer function is async and
* potentially called after loadAllImages was called.
*/
private loadFooterImages(): void {
const logoFooterLeftUrl = this.configService.instant<any>('logo_pdf_footer_L').path;
const logoFooterRightUrl = this.configService.instant<any>('logo_pdf_footer_R').path;
if (logoFooterLeftUrl) {
this.imageUrls.push(logoFooterLeftUrl);
}
if (logoFooterRightUrl) {
this.imageUrls.push(logoFooterRightUrl);
}
}
/**
* Triggers the addition of all images found during creation(including header and footer)
* to the vfs.
@ -547,6 +547,10 @@ export class PdfDocumentService {
* @param url
*/
private async addImageToVfS(url: string): Promise<void> {
if (url.indexOf('/') === 0) {
url = url.substr(1);
}
if (!pdfMake.vfs[url]) {
const base64 = await this.convertUrlToBase64(url);
pdfMake.vfs[url] = base64;