Merge pull request #4300 from tsiegleauq/pdf-line-number-fixes

Add line-numbering fix

client/src/app/core/ui-services/html-to-pdf.service.ts

@@ -75,6 +75,23 @@ export class HtmlToPdfService {
      */
     public constructor() {}
 
+    /**
+     * Determine the ideal margin for a given node
+     *
+     * @param nodeName the parsing node
+     * @returns the margin bottom as number
+     */
+    private getMarginBottom(nodeName: string): number {
+        switch (nodeName) {
+            case 'li': {
+                return this.LI_MARGIN_BOTTOM;
+            }
+            default: {
+                return this.P_MARGIN_BOTTOM;
+            }
+        }
+    }
+
     /**
      * Takes an HTML string, converts to HTML using a DOM parser and recursivly parses
      * the content into pdfmake compatible doc definition
@@ -154,8 +171,10 @@ export class HtmlToPdfService {
             case 'h4':
             case 'h5':
             case 'h6':
-            case 'p': {
-                const children = this.parseChildren(element, newParagraph);
+            case 'li':
+            case 'p':
+            case 'div': {
+                const children = this.parseChildren(element, styles);
 
                 if (this.lineNumberingMode === LineNumberingMode.Outside) {
                     newParagraph = this.create('stack');
@@ -165,15 +184,14 @@ export class HtmlToPdfService {
                     newParagraph.text = children;
                 }
 
-                newParagraph.margin = [0, this.P_MARGIN_BOTTOM];
+                newParagraph.margin = [0, this.getMarginBottom(nodeName)];
                 newParagraph.lineHeight = this.LINE_HEIGHT;
 
-                styles = this.computeStyle(styles);
                 const implicitStyles = this.computeStyle(this.elementStyles[nodeName]);
 
                 newParagraph = {
                     ...newParagraph,
-                    ...styles,
+                    ...this.computeStyle(styles),
                     ...implicitStyles
                 };
                 break;
@@ -240,19 +258,6 @@ export class HtmlToPdfService {
                 newParagraph.lineHeight = this.LINE_HEIGHT;
                 break;
             }
-            case 'li':
-            case 'div': {
-                newParagraph = this.create('text');
-                newParagraph.lineHeight = this.LI_MARGIN_BOTTOM;
-                newParagraph = {
-                    ...newParagraph,
-                    ...this.computeStyle(styles)
-                };
-
-                const children = this.parseChildren(element, styles);
-                newParagraph.text = children;
-                break;
-            }
             case 'ul':
             case 'ol': {
                 newParagraph = this.create(nodeName);

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

@@ -1155,7 +1155,7 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit {
     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, LineNumberingMode.None, exportCr);
+        this.pdfExport.exportSingleMotion(this.motion, this.lnMode, exportCr);
     }
 
     /**

client/src/app/site/motions/services/motion-pdf.service.ts

@@ -10,6 +10,7 @@ import { MotionRepositoryService } from 'app/core/repositories/motions/motion-re
 import { StatuteParagraphRepositoryService } from 'app/core/repositories/motions/statute-paragraph-repository.service';
 import { ViewMotion, LineNumberingMode, ChangeRecoMode } from '../models/view-motion';
 import { ViewUnifiedChange } from '../models/view-unified-change';
+import { LinenumberingService } from 'app/core/ui-services/linenumbering.service';
 
 /**
  * Type declaring which strings are valid options for metainfos to be exported into a pdf
@@ -41,6 +42,7 @@ export class MotionPdfService {
      * @param configService Read config variables
      * @param htmlToPdfService To convert HTML text into pdfmake doc def
      * @param pollService MotionPollService for rendering the polls
+     * @param linenumberingService Line numbers
      */
     public constructor(
         private translate: TranslateService,
@@ -49,7 +51,8 @@ export class MotionPdfService {
         private changeRecoRepo: ChangeRecommendationRepositoryService,
         private configService: ConfigService,
         private htmlToPdfService: HtmlToPdfService,
-        private pollService: MotionPollService
+        private pollService: MotionPollService,
+        private linenumberingService: LinenumberingService
     ) {}
 
     /**
@@ -436,6 +439,8 @@ export class MotionPdfService {
             // order of changes applied to the motion
             changes.sort((a, b) => a.getLineFrom() - b.getLineFrom());
             motionText = this.motionRepo.formatMotion(motion.id, crMode, changes, lineLength);
+            // reformat motion text to split long HTML elements to easier convert into PDF
+            motionText = this.linenumberingService.splitInlineElementsAtLineBreaks(motionText);
         }
 
         return this.htmlToPdfService.convertHtml(motionText, lnMode);