431 lines
13 KiB
JavaScript
431 lines
13 KiB
JavaScript
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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"id": "347_0",
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"name": "Nine Inch Nails",
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"children": [{
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"id": "126510_1",
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"name": "Jerome Dillon",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "52163_2",
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"name": "Howlin' Maggie",
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"data": {
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"band": "Jerome Dillon",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "324134_3",
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"name": "nearLY",
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"data": {
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"band": "Jerome Dillon",
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"relation": "member of band"
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},
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"children": []
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}]
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}, {
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"id": "173871_4",
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"name": "Charlie Clouser",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "235952_5",
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"name": "James Woolley",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "235951_6",
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"name": "Jeff Ward",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "2382_7",
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"name": "Ministry",
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"data": {
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"band": "Jeff Ward",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "2415_8",
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"name": "Revolting Cocks",
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"data": {
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"band": "Jeff Ward",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "3963_9",
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"name": "Pigface",
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"data": {
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"band": "Jeff Ward",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "7848_10",
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"name": "Lard",
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"data": {
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"band": "Jeff Ward",
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"relation": "member of band"
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},
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"children": []
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}]
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}, {
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"id": "235950_11",
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"name": "Richard Patrick",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "1007_12",
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"name": "Filter",
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"data": {
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"band": "Richard Patrick",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "327924_13",
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"name": "Army of Anyone",
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"data": {
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"band": "Richard Patrick",
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"relation": "member of band"
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},
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"children": []
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}]
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}, {
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"id": "2396_14",
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"name": "Trent Reznor",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "3963_15",
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"name": "Pigface",
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"data": {
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"band": "Trent Reznor",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "32247_16",
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"name": "1000 Homo DJs",
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"data": {
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"band": "Trent Reznor",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "83761_17",
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"name": "Option 30",
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"data": {
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"band": "Trent Reznor",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "133257_18",
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"name": "Exotic Birds",
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"data": {
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"band": "Trent Reznor",
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"relation": "member of band"
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},
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"children": []
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}]
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}, {
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"id": "36352_19",
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"name": "Chris Vrenna",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "1013_20",
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"name": "Stabbing Westward",
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"data": {
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"band": "Chris Vrenna",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "3963_21",
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"name": "Pigface",
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"data": {
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"band": "Chris Vrenna",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "5752_22",
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"name": "Jack Off Jill",
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"data": {
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"band": "Chris Vrenna",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "33602_23",
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"name": "Die Warzau",
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"data": {
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"band": "Chris Vrenna",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "40485_24",
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"name": "tweaker",
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"data": {
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"band": "Chris Vrenna",
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"relation": "is person"
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},
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"children": []
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}, {
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"id": "133257_25",
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"name": "Exotic Birds",
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"data": {
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"band": "Chris Vrenna",
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"relation": "member of band"
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},
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"children": []
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}]
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}, {
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"id": "236021_26",
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"name": "Aaron North",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "236024_27",
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"name": "Jeordie White",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "909_28",
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"name": "A Perfect Circle",
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"data": {
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"band": "Jeordie White",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "237377_29",
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"name": "Twiggy Ramirez",
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"data": {
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"band": "Jeordie White",
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"relation": "is person"
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},
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"children": []
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}]
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}, {
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"id": "235953_30",
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"name": "Robin Finck",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "1440_31",
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"name": "Guns N' Roses",
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"data": {
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"band": "Robin Finck",
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"relation": "member of band"
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},
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"children": []
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}]
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}, {
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"id": "235955_32",
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"name": "Danny Lohner",
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"data": {
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"band": "Nine Inch Nails",
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"relation": "member of band"
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},
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"children": [{
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"id": "909_33",
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"name": "A Perfect Circle",
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"data": {
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"band": "Danny Lohner",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "1695_34",
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"name": "Killing Joke",
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"data": {
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"band": "Danny Lohner",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "1938_35",
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"name": "Methods of Mayhem",
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"data": {
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"band": "Danny Lohner",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "5138_36",
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"name": "Skrew",
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"data": {
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"band": "Danny Lohner",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "53549_37",
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"name": "Angkor Wat",
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"data": {
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"band": "Danny Lohner",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "113510_38",
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"name": "Puscifer",
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"data": {
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"band": "Danny Lohner",
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"relation": "member of band"
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},
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"children": []
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}, {
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"id": "113512_39",
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"name": "Renhold\u00ebr",
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"data": {
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"band": "Danny Lohner",
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"relation": "is person"
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},
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"children": []
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}]
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}],
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"data": []
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};
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//end
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var infovis = document.getElementById('infovis');
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var w = infovis.offsetWidth - 50, h = infovis.offsetHeight - 50;
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//init Hypertree
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var ht = new $jit.Hypertree({
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//id of the visualization container
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injectInto: 'infovis',
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//canvas width and height
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width: w,
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height: h,
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//Change node and edge styles such as
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//color, width and dimensions.
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Node: {
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dim: 9,
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color: "#f00"
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},
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Edge: {
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lineWidth: 2,
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color: "#088"
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},
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onBeforeCompute: function(node){
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Log.write("centering");
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},
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//Attach event handlers and add text to the
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//labels. This method is only triggered on label
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//creation
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onCreateLabel: function(domElement, node){
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domElement.innerHTML = node.name;
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$jit.util.addEvent(domElement, 'click', function () {
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ht.onClick(node.id);
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});
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},
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//Change node styles when labels are placed
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//or moved.
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onPlaceLabel: function(domElement, node){
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var style = domElement.style;
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style.display = '';
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style.cursor = 'pointer';
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if (node._depth <= 1) {
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style.fontSize = "0.8em";
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style.color = "#ddd";
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} else if(node._depth == 2){
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style.fontSize = "0.7em";
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style.color = "#555";
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} else {
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style.display = 'none';
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}
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var left = parseInt(style.left);
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var w = domElement.offsetWidth;
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style.left = (left - w / 2) + 'px';
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},
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onAfterCompute: function(){
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Log.write("done");
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//Build the right column relations list.
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//This is done by collecting the information (stored in the data property)
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//for all the nodes adjacent to the centered node.
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var node = ht.graph.getClosestNodeToOrigin("current");
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var html = "<h4>" + node.name + "</h4><b>Connections:</b>";
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html += "<ul>";
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node.eachAdjacency(function(adj){
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var child = adj.nodeTo;
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if (child.data) {
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var rel = (child.data.band == node.name) ? child.data.relation : node.data.relation;
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html += "<li>" + child.name + " " + "<div class=\"relation\">(relation: " + rel + ")</div></li>";
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}
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});
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html += "</ul>";
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$jit.id('inner-details').innerHTML = html;
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}
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});
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//load JSON data.
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ht.loadJSON(json);
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//compute positions and plot.
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ht.refresh();
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//end
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ht.controller.onAfterCompute();
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}
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