support inherit page definition

bpampuch · Nov 3, 2024 · d9afdc9 · d9afdc9
1 parent 1cec32b
commit d9afdc9
Show file tree

Hide file tree

Showing 3 changed files with 27 additions and 2 deletions.
diff --git a/examples/pdfs/sections.pdf b/examples/pdfs/sections.pdf
diff --git a/examples/sections.js b/examples/sections.js
@@ -39,11 +39,26 @@ var docDefinition = {
 		{
 			pageSize: 'A6',
 			pageOrientation: 'landscape',
-			pageMargins: 5,
+			pageMargins: 10,
 			section: [
 				'SECTION 5',
 				'Text in section as A6 landscape page with margin.'
 			]
+		},
+		{
+			pageSize: 'inherit',
+			pageOrientation: 'inherit',
+			pageMargins: 'inherit',
+			section: [
+				'SECTION 7',
+				'Text in section with page definition as previous page. Page size, orientation and margins are inherited.'
+			]
+		},
+		{
+			section: [
+				'SECTION 8',
+				'Text in section with page definition as defined in document.'
+			]
 		}
 	]
 };

diff --git a/src/LayoutBuilder.js b/src/LayoutBuilder.js
@@ -516,7 +516,17 @@ class LayoutBuilder {
 		let page = this.writer.context().getCurrentPage();
 		// TODO: background
 		if (!page || (page && page.items.length)) { // move to new empty page
-			// TODO: property for inherit page size and margin from before section
+			// page definition inherit from current page
+			if (sectionNode.pageSize === 'inherit') {
+				sectionNode.pageSize = page ? {width: page.pageSize.width, height: page.pageSize.height} : undefined;
+			}
+			if (sectionNode.pageOrientation === 'inherit') {
+				sectionNode.pageOrientation = page ? page.pageSize.orientation : undefined;
+			}
+			if (sectionNode.pageMargins === 'inherit') {
+				sectionNode.pageMargins = page ?  page.pageMargins : undefined;
+			}
+
 			this.writer.addPage(
 				sectionNode.pageSize || this.pageSize,
 				sectionNode.pageOrientation,