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More reliable text/stack defintion in cr pdf

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Motion pdfs with line numbers, CR/Amendment and bullet points with
multiple changes have a better chance to produce expected results
This commit is contained in:
Sean 2020-09-17 18:11:45 +02:00
parent 909a7539c5
commit 6007799f1d
1 changed files with 20 additions and 8 deletions
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28
client/src/app/core/pdf-services/html-to-pdf.service.ts
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@ -32,11 +32,6 @@ export class HtmlToPdfService {
*/
private lineNumberingMode: LineNumberingMode;
/**
* Space between list elements
*/
private LI_MARGIN_BOTTOM = 8;
/**
* Normal line height for paragraphs
*/
@ -192,6 +187,8 @@ export class HtmlToPdfService {
*/
public parseElement(element: Element, styles?: string[]): any {
const nodeName = element.nodeName.toLowerCase();
const childNodes = Array.from(element.childNodes) as Element[];
const directChildIsCrNode = childNodes.some(child => this.isCrElement(child));
let classes = [];
let newParagraph: any;
@ -237,7 +234,12 @@ export class HtmlToPdfService {
case 'div': {
const children = this.parseChildren(element, styles);
if (this.lineNumberingMode === LineNumberingMode.Outside && !classes.includes('insert')) {
if (
this.lineNumberingMode === LineNumberingMode.Outside &&
!classes.includes('insert') &&
!(nodeName === 'li' && directChildIsCrNode)
) {
//
newParagraph = this.create('stack');
newParagraph.stack = children;
} else {
@ -367,7 +369,7 @@ export class HtmlToPdfService {
// if this is a "fake list" lower put it close to the element above
if (this.isFakeList(element)) {
listCol.margin[3] = -this.LI_MARGIN_BOTTOM;
listCol.margin[3] = -this.P_MARGIN_BOTTOM;
}
for (const line of lines) {
@ -501,7 +503,7 @@ export class HtmlToPdfService {
children[i].remove();
}
if (children[i].childNodes.length > 0) {
if (children[i]?.childNodes.length > 0) {
const cleanChildren = this.cleanLineNumbers(children[i] as Element);
elementCopy.replaceChild(cleanChildren, children[i]);
}
@ -689,6 +691,16 @@ export class HtmlToPdfService {
return styleObject;
}
/**
* Detect if the given element is a cr exclusive node
* @param child
*/
private isCrElement(element: Element): boolean {
const nodeName = element.nodeName.toLowerCase();
const crNodeNames = ['ins', 'del'];
return crNodeNames.includes(nodeName);
}
/**
* Returns the color in a hex format (e.g. #12ff00).
* Also tries to convert RGB colors into hex values