639 lines
15 KiB
JavaScript
639 lines
15 KiB
JavaScript
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var labelType, useGradients, nativeTextSupport, animate;
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(function() {
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var ua = navigator.userAgent,
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iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
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typeOfCanvas = typeof HTMLCanvasElement,
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nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
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textSupport = nativeCanvasSupport
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&& (typeof document.createElement('canvas').getContext('2d').fillText == 'function');
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//I'm setting this based on the fact that ExCanvas provides text support for IE
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//and that as of today iPhone/iPad current text support is lame
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labelType = (!nativeCanvasSupport || (textSupport && !iStuff))? 'Native' : 'HTML';
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nativeTextSupport = labelType == 'Native';
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useGradients = nativeCanvasSupport;
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animate = !(iStuff || !nativeCanvasSupport);
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})();
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var Log = {
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elem: false,
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write: function(text){
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if (!this.elem)
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this.elem = document.getElementById('log');
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this.elem.innerHTML = text;
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this.elem.style.left = (500 - this.elem.offsetWidth / 2) + 'px';
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}
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};
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function init(){
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// init data
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var json = [
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode1",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode3",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode2",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode4",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode10",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode6",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode11",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode12",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode13",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode14",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode15",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode16",
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"nodeFrom": "graphnode0",
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"data": {}
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},
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{
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"nodeTo": "graphnode17",
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"nodeFrom": "graphnode0",
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"data": {}
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}
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],
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"data": {
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"$color": "#83548B",
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"$type": "circle"
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},
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"id": "graphnode0",
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"name": "graphnode0"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode2",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode3",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode4",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode5",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode6",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode7",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode8",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode9",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode10",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode11",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode12",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode13",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode14",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode15",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode16",
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"nodeFrom": "graphnode1",
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"data": {}
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},
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{
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"nodeTo": "graphnode17",
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"nodeFrom": "graphnode1",
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"data": {}
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}
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],
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"data": {
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"$color": "#83548B",
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"$type": "star"
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},
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"id": "graphnode1",
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"name": "graphnode1"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode3",
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"nodeFrom": "graphnode2",
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"data": {}
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},
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{
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"nodeTo": "graphnode5",
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"nodeFrom": "graphnode2",
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"data": {}
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},
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{
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"nodeTo": "graphnode9",
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"nodeFrom": "graphnode2",
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"data": {}
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},
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{
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"nodeTo": "graphnode18",
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"nodeFrom": "graphnode2",
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"data": {}
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}
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],
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"data": {
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"$color": "#EBB056",
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"$type": "circle"
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},
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"id": "graphnode2",
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"name": "graphnode2"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode5",
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"nodeFrom": "graphnode3",
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"data": {}
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},
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{
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"nodeTo": "graphnode9",
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"nodeFrom": "graphnode3",
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"data": {}
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},
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{
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"nodeTo": "graphnode10",
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"nodeFrom": "graphnode3",
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"data": {}
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},
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{
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"nodeTo": "graphnode6",
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"nodeFrom": "graphnode3",
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"data": {}
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},
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{
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"nodeTo": "graphnode11",
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"nodeFrom": "graphnode3",
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"data": {}
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},
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{
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"nodeTo": "graphnode12",
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"nodeFrom": "graphnode3",
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"data": {}
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}
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],
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"data": {
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"$color": "#70A35E",
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"$type": "triangle"
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},
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"id": "graphnode3",
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"name": "graphnode3"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#70A35E",
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"$type": "star"
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},
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"id": "graphnode4",
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"name": "graphnode4"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode9",
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"nodeFrom": "graphnode5",
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"data": {}
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}
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],
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"data": {
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"$color": "#416D9C",
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"$type": "star"
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},
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"id": "graphnode5",
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"name": "graphnode5"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode10",
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"nodeFrom": "graphnode6",
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"data": {}
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},
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{
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"nodeTo": "graphnode11",
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"nodeFrom": "graphnode6",
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"data": {}
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}
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],
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"data": {
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"$color": "#416D9C",
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"$type": "star"
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},
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"id": "graphnode6",
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"name": "graphnode6"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#416D9C",
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"$type": "triangle"
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},
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"id": "graphnode7",
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"name": "graphnode7"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#EBB056",
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"$type": "star"
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},
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"id": "graphnode8",
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"name": "graphnode8"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#70A35E",
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"$type": "triangle"
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},
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"id": "graphnode9",
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"name": "graphnode9"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode11",
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"nodeFrom": "graphnode10",
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"data": {}
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}
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],
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"data": {
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"$color": "#83548B",
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"$type": "triangle"
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},
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"id": "graphnode10",
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"name": "graphnode10"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#416D9C",
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"$type": "triangle"
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},
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"id": "graphnode11",
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"name": "graphnode11"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#70A35E",
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"$type": "square"
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},
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"id": "graphnode12",
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"name": "graphnode12"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode14",
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"nodeFrom": "graphnode13",
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"data": {}
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}
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],
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"data": {
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"$color": "#416D9C",
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"$type": "square"
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},
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"id": "graphnode13",
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"name": "graphnode13"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#70A35E",
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"$type": "square"
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},
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"id": "graphnode14",
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"name": "graphnode14"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode16",
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"nodeFrom": "graphnode15",
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"data": {}
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},
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{
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"nodeTo": "graphnode17",
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"nodeFrom": "graphnode15",
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"data": {}
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}
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],
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"data": {
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"$color": "#C74243",
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"$type": "circle"
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},
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"id": "graphnode15",
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"name": "graphnode15"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode17",
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"nodeFrom": "graphnode16",
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"data": {}
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}
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],
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"data": {
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"$color": "#EBB056",
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"$type": "circle"
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},
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"id": "graphnode16",
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"name": "graphnode16"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#83548B",
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"$type": "triangle"
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},
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"id": "graphnode17",
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"name": "graphnode17"
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},
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{
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"adjacencies": [
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{
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"nodeTo": "graphnode19",
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"nodeFrom": "graphnode18",
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"data": {}
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},
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{
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"nodeTo": "graphnode20",
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"nodeFrom": "graphnode18",
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"data": {}
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}
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],
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"data": {
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"$color": "#C74243",
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"$type": "circle"
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},
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"id": "graphnode18",
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"name": "graphnode18"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#EBB056",
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"$type": "star"
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},
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"id": "graphnode19",
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"name": "graphnode19"
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},
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{
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"adjacencies": [],
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"data": {
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"$color": "#416D9C",
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"$type": "circle"
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},
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"id": "graphnode20",
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"name": "graphnode20"
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}
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];
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// end
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// init ForceDirected
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var fd = new $jit.ForceDirected({
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//id of the visualization container
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injectInto: 'infovis',
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//Enable zooming and panning
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//with scrolling and DnD
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Navigation: {
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enable: true,
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//Enable panning events only if we're dragging the empty
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//canvas (and not a node).
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panning: 'avoid nodes',
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zooming: 10 //zoom speed. higher is more sensible
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},
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// Change node and edge styles such as
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// color and width.
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// These properties are also set per node
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||
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// with dollar prefixed data-properties in the
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||
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// JSON structure.
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Node: {
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overridable: true,
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dim: 7
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},
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Edge: {
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overridable: true,
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color: '#23A4FF',
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lineWidth: 0.4
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},
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// Add node events
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Events: {
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||
|
enable: true,
|
||
|
type: 'Native',
|
||
|
//Change cursor style when hovering a node
|
||
|
onMouseEnter: function() {
|
||
|
fd.canvas.getElement().style.cursor = 'move';
|
||
|
},
|
||
|
onMouseLeave: function() {
|
||
|
fd.canvas.getElement().style.cursor = '';
|
||
|
},
|
||
|
//Update node positions when dragged
|
||
|
onDragMove: function(node, eventInfo, e) {
|
||
|
var pos = eventInfo.getPos();
|
||
|
node.pos.setc(pos.x, pos.y);
|
||
|
fd.plot();
|
||
|
},
|
||
|
//Implement the same handler for touchscreens
|
||
|
onTouchMove: function(node, eventInfo, e) {
|
||
|
$jit.util.event.stop(e); //stop default touchmove event
|
||
|
this.onDragMove(node, eventInfo, e);
|
||
|
}
|
||
|
},
|
||
|
//Number of iterations for the FD algorithm
|
||
|
iterations: 200,
|
||
|
//Edge length
|
||
|
levelDistance: 130,
|
||
|
// This method is only triggered
|
||
|
// on label creation and only for DOM labels (not native canvas ones).
|
||
|
onCreateLabel: function(domElement, node){
|
||
|
// Create a 'name' and 'close' buttons and add them
|
||
|
// to the main node label
|
||
|
var nameContainer = document.createElement('span'),
|
||
|
closeButton = document.createElement('span'),
|
||
|
style = nameContainer.style;
|
||
|
nameContainer.className = 'name';
|
||
|
nameContainer.innerHTML = node.name;
|
||
|
closeButton.className = 'close';
|
||
|
closeButton.innerHTML = 'x';
|
||
|
domElement.appendChild(nameContainer);
|
||
|
domElement.appendChild(closeButton);
|
||
|
style.fontSize = "0.8em";
|
||
|
style.color = "#ddd";
|
||
|
//Fade the node and its connections when
|
||
|
//clicking the close button
|
||
|
closeButton.onclick = function() {
|
||
|
node.setData('alpha', 0, 'end');
|
||
|
node.eachAdjacency(function(adj) {
|
||
|
adj.setData('alpha', 0, 'end');
|
||
|
});
|
||
|
fd.fx.animate({
|
||
|
modes: ['node-property:alpha',
|
||
|
'edge-property:alpha'],
|
||
|
duration: 500
|
||
|
});
|
||
|
};
|
||
|
//Toggle a node selection when clicking
|
||
|
//its name. This is done by animating some
|
||
|
//node styles like its dimension and the color
|
||
|
//and lineWidth of its adjacencies.
|
||
|
nameContainer.onclick = function() {
|
||
|
//set final styles
|
||
|
fd.graph.eachNode(function(n) {
|
||
|
if(n.id != node.id) delete n.selected;
|
||
|
n.setData('dim', 7, 'end');
|
||
|
n.eachAdjacency(function(adj) {
|
||
|
adj.setDataset('end', {
|
||
|
lineWidth: 0.4,
|
||
|
color: '#23a4ff'
|
||
|
});
|
||
|
});
|
||
|
});
|
||
|
if(!node.selected) {
|
||
|
node.selected = true;
|
||
|
node.setData('dim', 17, 'end');
|
||
|
node.eachAdjacency(function(adj) {
|
||
|
adj.setDataset('end', {
|
||
|
lineWidth: 3,
|
||
|
color: '#36acfb'
|
||
|
});
|
||
|
});
|
||
|
} else {
|
||
|
delete node.selected;
|
||
|
}
|
||
|
//trigger animation to final styles
|
||
|
fd.fx.animate({
|
||
|
modes: ['node-property:dim',
|
||
|
'edge-property:lineWidth:color'],
|
||
|
duration: 500
|
||
|
});
|
||
|
// Build the right column relations list.
|
||
|
// This is done by traversing the clicked node connections.
|
||
|
var html = "<h4>" + node.name + "</h4><b> connections:</b><ul><li>",
|
||
|
list = [];
|
||
|
node.eachAdjacency(function(adj){
|
||
|
if(adj.getData('alpha')) list.push(adj.nodeTo.name);
|
||
|
});
|
||
|
//append connections information
|
||
|
$jit.id('inner-details').innerHTML = html + list.join("</li><li>") + "</li></ul>";
|
||
|
};
|
||
|
},
|
||
|
// Change node styles when DOM labels are placed
|
||
|
// or moved.
|
||
|
onPlaceLabel: function(domElement, node){
|
||
|
var style = domElement.style;
|
||
|
var left = parseInt(style.left);
|
||
|
var top = parseInt(style.top);
|
||
|
var w = domElement.offsetWidth;
|
||
|
style.left = (left - w / 2) + 'px';
|
||
|
style.top = (top + 10) + 'px';
|
||
|
style.display = '';
|
||
|
}
|
||
|
});
|
||
|
// load JSON data.
|
||
|
fd.loadJSON(json);
|
||
|
// compute positions incrementally and animate.
|
||
|
fd.computeIncremental({
|
||
|
iter: 40,
|
||
|
property: 'end',
|
||
|
onStep: function(perc){
|
||
|
Log.write(perc + '% loaded...');
|
||
|
},
|
||
|
onComplete: function(){
|
||
|
Log.write('done');
|
||
|
fd.animate({
|
||
|
modes: ['linear'],
|
||
|
transition: $jit.Trans.Elastic.easeOut,
|
||
|
duration: 2500
|
||
|
});
|
||
|
}
|
||
|
});
|
||
|
// end
|
||
|
}
|