Revize d6f19515

fix #20: current diagram can be downloaded as raw JSON from graph screen

sources/imiger-core/src/main/webapp/js/components/navbar.js

@@ -37 +37 @@
 			this._createSaveDiagramListItem(),
 			this._createSeparatorListItem(),
 
+			this._createDownloadDiagramListItem(),
+			this._createSeparatorListItem(),
+
 			this._createRefreshDiagramListItem(),
 			this._createSeparatorListItem(),
 
@@ -408 +411 @@
 		]);
 	}
 
+	_createDownloadDiagramListItem() {
+		return DOM.h('li', {}, [
+			DOM.h('button', {
+				class: 'btn download-diagram-as-raw-json',
+				title: 'Download diagram as Raw JSON',
+				onClick: () => {
+					const json = JSON.stringify(app.graphExporter.run());
+					const blob = new Blob([json]);
+					const downloadLink = DOM.h('a', {
+						href: URL.createObjectURL(blob, {
+							type: 'application/json',
+						}),
+						download: app.diagram.name + '.json',
+						hidden: 'hidden',
+					});
+
+					document.body.appendChild(downloadLink);
+					downloadLink.click();
+					document.body.removeChild(downloadLink);
+				},
+			}, [
+				DOM.h('img', {
+					src: 'images/icomoon/download3.svg',
+					alt: 'download diagram icon',
+				}),
+			]),
+		]);
+	}
+
 	_createRefreshDiagramListItem() {
 		const refreshDiagramLink = DOM.h('a', {
 			href: location.href,