Open the console to see detalied info about what's going on
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d3-graphviz demo application showing association of SVG elements with DOT source elements
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <body> | |
| <script src="//d3js.org/d3.v7.min.js"></script> | |
| <script src="https://unpkg.com/@hpcc-js/[email protected]/dist//graphviz.umd.js"></script> | |
| <script src="https://unpkg.com/[email protected]/build/d3-graphviz.js"></script> | |
| <div id="graph" style="text-align: center;"></div> | |
| <script> | |
| var dotSrc = ` | |
| digraph { | |
| graph [label="Click on a node or an edge to delete it" labelloc="t", fontsize="20.0" tooltip=" "] | |
| node [style="filled"] | |
| Node1 [id="NodeId1" label="N1" fillcolor="#d62728"] | |
| Node2 [id="NodeId2" label="N2" fillcolor="#1f77b4"] | |
| Node3 [id="NodeId3" label="N3" fillcolor="#2ca02c"] | |
| Node4 [id="NodeId4" label="N4" fillcolor="#ff7f0e"] | |
| Node1 -> Node2 [id="EdgeId12" label="E12"] | |
| Node1 -> Node3 [id="EdgeId131" label="E13"] | |
| Node2 -> Node3 [id="EdgeId23" label="E23"] | |
| Node3 -> Node4 [id="EdgeId34" label="E34"] | |
| } | |
| `; | |
| var dotSrcLines; | |
| var graphviz = d3.select("#graph").graphviz(); | |
| function render() { | |
| console.log('DOT source =', dotSrc); | |
| dotSrcLines = dotSrc.split('\n'); | |
| graphviz | |
| .transition(function() { | |
| return d3.transition() | |
| .delay(100) | |
| .duration(1000); | |
| }) | |
| .renderDot(dotSrc) | |
| .on("end", interactive); | |
| } | |
| function interactive() { | |
| nodes = d3.selectAll('.node,.edge'); | |
| nodes | |
| .on("click", function () { | |
| var title = d3.select(this).selectAll('title').text().trim(); | |
| var text = d3.select(this).selectAll('text').text(); | |
| var id = d3.select(this).attr('id'); | |
| var class1 = d3.select(this).attr('class'); | |
| dotElement = title.replace('->',' -> '); | |
| console.log('Element id="%s" class="%s" title="%s" text="%s" dotElement="%s"', id, class1, title, text, dotElement); | |
| console.log('Finding and deleting references to %s "%s" from the DOT source', class1, dotElement); | |
| for (i = 0; i < dotSrcLines.length;) { | |
| if (dotSrcLines[i].indexOf(dotElement) >= 0) { | |
| console.log('Deleting line %d: %s', i, dotSrcLines[i]); | |
| dotSrcLines.splice(i, 1); | |
| } else { | |
| i++; | |
| } | |
| } | |
| dotSrc = dotSrcLines.join('\n'); | |
| render(); | |
| }); | |
| } | |
| render(dotSrc); | |
| </script> |
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