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Added a JS lib to help download graph image #387

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Apr 11, 2018
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a2aaebb
update IP to new node
daming-lu Apr 2, 2018
d9aec25
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 2, 2018
c8ff8a4
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 3, 2018
9996d42
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 4, 2018
f609af0
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 5, 2018
7a897fc
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 5, 2018
df70d96
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 6, 2018
da74c18
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 6, 2018
3922cd2
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 7, 2018
f274b78
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 9, 2018
1eb7a81
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 10, 2018
fdf7ab1
hardcoding styles to nodes and edges
daming-lu Apr 10, 2018
e719dfd
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 10, 2018
dba5bad
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 10, 2018
3cbf005
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 11, 2018
4f0630d
add SVG_TO_PNG download helper
daming-lu Apr 11, 2018
9526d1b
Merge remote-tracking branch 'upstream/develop' into develop
daming-lu Apr 11, 2018
2180524
Merge branch 'develop' into svg_downloaded_shadows
daming-lu Apr 11, 2018
19f87ae
tiny
daming-lu Apr 11, 2018
29f3e78
add copyright to the author
daming-lu Apr 11, 2018
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2 changes: 0 additions & 2 deletions frontend/package.json
Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,6 @@
"dependencies": {
"axios": "^0.16.1",
"csshint": "^0.3.3",
"cytoscape": "^3.2.11",
"cytoscape-dagre": "^2.2.0",
"d3": "^4.7.4",
"d3-format": "^1.2.1",
"dagre": "^0.8.2",
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30 changes: 5 additions & 25 deletions frontend/src/graph/ui/Chart.vue
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,10 @@
// service
import {getPluginGraphsGraph} from '../../service';

// The name 'svgToPngDownloadHelper' is just a placeholder.
// Loading the JS lib file will bind saveSvgAsPng to window.
import * as svgToPngDownloadHelper from './svgToPngDownloadHelper.js';

// for d3 drawing
import * as d3 from 'd3';

Expand All @@ -31,32 +35,8 @@ export default {
watch: {
doDownload: function(val) {
if (this.doDownload) {
// TODO(daming-lu): .svg is ugly and colorless.
let svg = this.$refs.graphSvg;

// get svg source.
let serializer = new XMLSerializer();
let source = serializer.serializeToString(svg);

// add name spaces.
if (!source.match(/^<svg[^>]+xmlns="http\:\/\/www\.w3\.org\/2000\/svg"/)) {
source = source.replace(/^<svg/, '<svg xmlns="http://www.w3.org/2000/svg"');
}
if (!source.match(/^<svg[^>]+"http\:\/\/www\.w3\.org\/1999\/xlink"/)) {
source = source.replace(/^<svg/, '<svg xmlns:xlink="http://www.w3.org/1999/xlink"');
}

// add xml declaration
source = '<?xml version="1.0" standalone="no"?>\r\n' + source;

// convert svg source to URI data scheme.
let url = 'data:image/svg+xml;charset=utf-8,'+encodeURIComponent(source);

let a = document.createElement('a');
a.download = 'graph.svg';
a.href = url;
a.click();

saveSvgAsPng(svg, "graph.png", {scale: 1.0});
this.$emit('triggerDownload', false);
}
},
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