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Add margin to H-tags in PDF

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Margins to H tags and some motion HTML-PDF refinement
This commit is contained in:
Sean Engelhardt 2019-02-19 14:08:47 +01:00
parent f09a39a3c3
commit ee3fb7d7ef
2 changed files with 66 additions and 19 deletions
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78
client/src/app/core/ui-services/html-to-pdf.service.ts
View File

@ -46,6 +46,11 @@ export class HtmlToPdfService {
*/
private P_MARGIN_BOTTOM = 4.0;
/**
* Space above H
*/
private H_MARGIN_TOP = 10.0;
/**
* Conversion of HTML tags into pdfmake directives
*/
@ -84,14 +89,44 @@ export class HtmlToPdfService {
*/
public constructor() {}
/**
* Determine the ideal top margin for a given node
*
* @param nodeName the node to parse
* @returns the margin tip as number
*/
private getMarginTop(nodeName: string): number {
switch (nodeName) {
case 'h1':
case 'h2':
case 'h3':
case 'h4':
case 'h5':
case 'h6': {
return this.H_MARGIN_TOP;
}
default: {
return 0;
}
}
}
/**
* Determine the ideal margin for a given node
*
* @param nodeName the parsing node
* @param nodeName the node to parse
* @returns the margin bottom as number
*/
private getMarginBottom(nodeName: string): number {
switch (nodeName) {
case 'h1':
case 'h2':
case 'h3':
case 'h4':
case 'h5':
case 'h6': {
return this.P_MARGIN_BOTTOM;
}
case 'li': {
return this.LI_MARGIN_BOTTOM;
}
@ -126,6 +161,7 @@ export class HtmlToPdfService {
const parsedElement = this.parseElement(child);
docDef.push(parsedElement);
}
return docDef;
}
@ -198,20 +234,28 @@ export class HtmlToPdfService {
}
newParagraph.margin = [0, 0, 0, 0];
// determine the "normal" top and button margins
newParagraph.margin[1] = this.getMarginTop(nodeName);
newParagraph.margin[3] = this.getMarginBottom(nodeName);
if (this.lineNumberingMode === LineNumberingMode.Outside) {
// that is usually the case for inserted change which should appear
// under a set of line numbers with correct alignment
if (classes.includes('insert')) {
newParagraph.margin[0] = 20;
newParagraph.margin[1] = this.P_MARGIN_BOTTOM;
newParagraph.margin[3] = this.P_MARGIN_BOTTOM;
}
}
// stop enumeration if the list was inserted
if (classes.includes('os-split-before')) {
newParagraph.listType = 'none';
} else if (this.isInsideAList(element)) {
newParagraph.margin[3] = this.getMarginBottom(nodeName);
}
// if the list ends (usually due to a new insert cr) prevent margins
if (classes.includes('os-split-after')) {
newParagraph.margin[3] = 0;
}
newParagraph.lineHeight = this.LINE_HEIGHT;
@ -266,10 +310,14 @@ export class HtmlToPdfService {
break;
}
case 'br': {
newParagraph = this.create('text');
// yep thats all
newParagraph.text = '\n';
newParagraph.lineHeight = this.LINE_HEIGHT;
if (this.lineNumberingMode === LineNumberingMode.None && classes.includes('os-line-break')) {
break;
} else {
newParagraph = this.create('text');
// yep thats all
newParagraph.text = '\n';
newParagraph.lineHeight = this.LINE_HEIGHT;
}
break;
}
case 'ul':
@ -302,15 +350,11 @@ export class HtmlToPdfService {
margin: [0, 0, 0, 0]
};
// For correction factor for "change reco" elements in lists, cause
// they open a new OL-List and have additional distance
if (
element.classList.contains('os-split-before') &&
element.classList.contains('os-split-after')
) {
listCol.margin = [0, -this.LI_MARGIN_BOTTOM, 0, -this.LI_MARGIN_BOTTOM];
} else if (!element.classList.contains('os-split-before')) {
listCol.margin = [0, 5, 0, 0];
// This has the effect that changed complex lists will look good with line numbers,
// but simple lists will be too close. The information in the HTML is highly redundant and
// there is currently no clear way to determine what to do with the lists.
if (classes.includes('os-split-after')) {
listCol.margin[3] = -this.LI_MARGIN_BOTTOM;
}
for (const line of lines) {

7
client/src/app/site/motions/components/motion-detail/motion-detail.component.ts
View File

@ -1205,9 +1205,12 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit {
* Click handler for the pdf button
*/
public onDownloadPdf(): void {
const exportCr = this.motion.isStatuteAmendment() ? ChangeRecoMode.Diff : this.crMode;
// TODO: apparently statue amendments never have line numbers and are always in crMode
this.pdfExport.exportSingleMotion(this.motion, this.lnMode, exportCr);
if (this.motion.isStatuteAmendment()) {
this.pdfExport.exportSingleMotion(this.motion, LineNumberingMode.None, ChangeRecoMode.Diff);
} else {
this.pdfExport.exportSingleMotion(this.motion, this.lnMode, this.crMode);
}
}
/**