180 lines
7 KiB
JavaScript
180 lines
7 KiB
JavaScript
var labelType, useGradients, nativeTextSupport, animate, json, Mconsole, gType;
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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 imgArray = new Object();
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imgArray['Group'] = new Image(); imgArray['Group'].src = '/assets/group.png';
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imgArray['Person'] = new Image(); imgArray['Person'].src = '/assets/person.png';
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imgArray['Bizarre'] = new Image(); imgArray['Bizarre'].src = '/assets/bizarre.png';
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imgArray['Catalyst'] = new Image(); imgArray['Catalyst'].src = '/assets/catalyst.png';
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imgArray['Closed'] = new Image(); imgArray['Closed'].src = '/assets/closed.png';
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imgArray['Experience'] = new Image(); imgArray['Experience'].src = '/assets/experience.png';
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imgArray['Future Dev'] = new Image(); imgArray['Future Dev'].src = '/assets/futuredev.png';
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imgArray['Idea'] = new Image(); imgArray['Idea'].src = '/assets/idea.png';
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imgArray['Implication'] = new Image(); imgArray['Implication'].src = '/assets/implication.png';
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imgArray['Insight'] = new Image(); imgArray['Insight'].src = '/assets/insight.png';
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imgArray['Intention'] = new Image(); imgArray['Intention'].src = '/assets/intention.png';
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imgArray['Knowledge'] = new Image(); imgArray['Knowledge'].src = '/assets/knowledge.png';
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imgArray['Location'] = new Image(); imgArray['Location'].src = '/assets/location.png';
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imgArray['Open Issue'] = new Image(); imgArray['Open Issue'].src = '/assets/openissue.png';
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imgArray['Opinion'] = new Image(); imgArray['Opinion'].src = '/assets/opinion.png';
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imgArray['Opportunity'] = new Image(); imgArray['Opportunity'].src = '/assets/opportunity.png';
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imgArray['Platform'] = new Image(); imgArray['Platform'].src = '/assets/platform.png';
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imgArray['Problem'] = new Image(); imgArray['Problem'].src = '/assets/problem.png';
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imgArray['Question'] = new Image(); imgArray['Question'].src = '/assets/question.png';
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imgArray['Reference'] = new Image(); imgArray['Reference'].src = '/assets/reference.png';
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imgArray['Requirement'] = new Image(); imgArray['Requirement'].src = '/assets/requirement.png';
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imgArray['Resource'] = new Image(); imgArray['Resource'].src = '/assets/resource.png';
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imgArray['Role'] = new Image(); imgArray['Role'].src = '/assets/role.png';
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imgArray['Task'] = new Image(); imgArray['Task'].src = '/assets/task.png';
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imgArray['Tool'] = new Image(); imgArray['Tool'].src = '/assets/tool.png';
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imgArray['Trajectory'] = new Image(); imgArray['Trajectory'].src = '/assets/trajectory.png';
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imgArray['Action'] = new Image(); imgArray['Action'].src = '/assets/action.png';
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imgArray['Activity'] = new Image(); imgArray['Activity'].src = '/assets/activity.png';
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// defining code to draw edges with arrows pointing in the middle of them
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var renderMidArrow = function(from, to, dim, swap, canvas){
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var ctx = canvas.getCtx();
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// invert edge direction
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if (swap) {
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var tmp = from;
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from = to;
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to = tmp;
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}
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// vect represents a line from tip to tail of the arrow
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var vect = new $jit.Complex(to.x - from.x, to.y - from.y);
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// scale it
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vect.$scale(dim / vect.norm());
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// compute the midpoint of the edge line
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var midPoint = new $jit.Complex((to.x + from.x) / 2, (to.y + from.y) / 2);
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// move midpoint by half the "length" of the arrow so the arrow is centered on the midpoint
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midPoint.x += (vect.x / 0.7);
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midPoint.y += (vect.y / 0.7);
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// compute the tail intersection point with the edge line
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var intermediatePoint = new $jit.Complex(midPoint.x - vect.x,
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midPoint.y - vect.y);
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// vector perpendicular to vect
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var normal = new $jit.Complex(-vect.y / 2, vect.x / 2);
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var v1 = intermediatePoint.add(normal);
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var v2 = intermediatePoint.$add(normal.$scale(-1));
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ctx.beginPath();
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ctx.moveTo(from.x, from.y);
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ctx.lineTo(to.x, to.y);
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ctx.stroke();
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ctx.beginPath();
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ctx.moveTo(v1.x, v1.y);
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ctx.lineTo(midPoint.x, midPoint.y);
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ctx.lineTo(v2.x, v2.y);
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ctx.stroke();
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};
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var containsMidArrow = function(posFrom, posTo, pos, epsilon) {
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return $jit.EdgeHelper.line.contains(posFrom, posTo, pos, epsilon);
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};
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function initialize(type){
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viewMode = "graph";
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gType = type;
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// init custom node type
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$jit.ForceDirected.Plot.NodeTypes.implement(nodeSettings);
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//implement an edge type
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$jit.ForceDirected.Plot.EdgeTypes.implement(edgeSettings);
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// end
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// init custom node type
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$jit.RGraph.Plot.NodeTypes.implement(nodeSettings);
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//implement an edge type
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$jit.RGraph.Plot.EdgeTypes.implement(edgeSettings);
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// end
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if ( type == "centered") {
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// init Rgraph
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Mconsole = new $jit.RGraph(graphSettings(type));
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}
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else if ( type == "arranged" || type == "chaotic" ) {
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// init ForceDirected
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Mconsole = new $jit.ForceDirected(graphSettings(type));
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}
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else {
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alert("You didn't specify a type!");
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return false;
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}
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// load JSON data.
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Mconsole.loadJSON(json);
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// choose how to plot and animate the data onto the screen
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var chooseAnimate;
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if ( type == "centered") {
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// compute positions incrementally and animate.
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//trigger small animation
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Mconsole.graph.eachNode(function(n) {
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var pos = n.getPos();
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pos.setc(-200, -200);
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});
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Mconsole.compute('end');
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chooseAnimate = {
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modes:['polar'],
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duration: 2000
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};
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}
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else if ( type == "arranged" ) {
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// compute positions incrementally and animate.
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Mconsole.graph.eachNode(function(n) {
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var pos = n.getPos();
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pos.setc(0, 0);
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var newPos = new $jit.Complex();
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newPos.x = n.data.$xloc;
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newPos.y = n.data.$yloc;
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n.setPos(newPos, 'end');
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});
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chooseAnimate = {
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modes: ['linear'],
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transition: $jit.Trans.Quad.easeInOut,
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duration: 2500
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};
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}
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else if ( type == "chaotic" ) {
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// compute positions incrementally and animate.
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Mconsole.compute()
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chooseAnimate = {
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modes: ['linear'],
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transition: $jit.Trans.Elastic.easeOut,
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duration: 2500
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};
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}
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$(document).ready(function() {
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if ( type == "centered") {
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Mconsole.fx.animate(chooseAnimate);
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}
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else if ( type == "arranged" || type == "chaotic") {
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Mconsole.animate(chooseAnimate);
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}
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});
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// end
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}
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