metamaps--metamaps/app/assets/javascripts/Jit/loadgraphs.js

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(function() {
var ua = navigator.userAgent,
iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
typeOfCanvas = typeof HTMLCanvasElement,
nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
textSupport = nativeCanvasSupport
&& (typeof document.createElement('canvas').getContext('2d').fillText == 'function');
//I'm setting this based on the fact that ExCanvas provides text support for IE
//and that as of today iPhone/iPad current text support is lame
labelType = (!nativeCanvasSupport || (textSupport && !iStuff))? 'Native' : 'HTML';
nativeTextSupport = labelType == 'Native';
useGradients = nativeCanvasSupport;
animate = !(iStuff || !nativeCanvasSupport);
})();
var imgArray = new Object();
imgArray['Group'] = new Image(); imgArray['Group'].src = '/assets/group.png';
imgArray['Person'] = new Image(); imgArray['Person'].src = '/assets/person.png';
imgArray['Bizarre'] = new Image(); imgArray['Bizarre'].src = '/assets/bizarre.png';
imgArray['Catalyst'] = new Image(); imgArray['Catalyst'].src = '/assets/catalyst.png';
imgArray['Closed'] = new Image(); imgArray['Closed'].src = '/assets/closed.png';
imgArray['Experience'] = new Image(); imgArray['Experience'].src = '/assets/experience.png';
imgArray['Future Dev'] = new Image(); imgArray['Future Dev'].src = '/assets/futuredev.png';
imgArray['Idea'] = new Image(); imgArray['Idea'].src = '/assets/idea.png';
imgArray['Implication'] = new Image(); imgArray['Implication'].src = '/assets/implication.png';
imgArray['Insight'] = new Image(); imgArray['Insight'].src = '/assets/insight.png';
imgArray['Intention'] = new Image(); imgArray['Intention'].src = '/assets/intention.png';
imgArray['Knowledge'] = new Image(); imgArray['Knowledge'].src = '/assets/knowledge.png';
imgArray['Location'] = new Image(); imgArray['Location'].src = '/assets/location.png';
imgArray['Open Issue'] = new Image(); imgArray['Open Issue'].src = '/assets/openissue.png';
imgArray['Opinion'] = new Image(); imgArray['Opinion'].src = '/assets/opinion.png';
imgArray['Opportunity'] = new Image(); imgArray['Opportunity'].src = '/assets/opportunity.png';
imgArray['Platform'] = new Image(); imgArray['Platform'].src = '/assets/platform.png';
imgArray['Problem'] = new Image(); imgArray['Problem'].src = '/assets/problem.png';
imgArray['Question'] = new Image(); imgArray['Question'].src = '/assets/question.png';
imgArray['Reference'] = new Image(); imgArray['Reference'].src = '/assets/reference.png';
imgArray['Requirement'] = new Image(); imgArray['Requirement'].src = '/assets/requirement.png';
imgArray['Resource'] = new Image(); imgArray['Resource'].src = '/assets/resource.png';
imgArray['Role'] = new Image(); imgArray['Role'].src = '/assets/role.png';
imgArray['Task'] = new Image(); imgArray['Task'].src = '/assets/task.png';
imgArray['Tool'] = new Image(); imgArray['Tool'].src = '/assets/tool.png';
imgArray['Trajectory'] = new Image(); imgArray['Trajectory'].src = '/assets/trajectory.png';
imgArray['Action'] = new Image(); imgArray['Action'].src = '/assets/action.png';
imgArray['Activity'] = new Image(); imgArray['Activity'].src = '/assets/activity.png';
// init custom node type
$jit.ForceDirected.Plot.NodeTypes.implement(nodeSettings);
//implement an edge type
$jit.ForceDirected.Plot.EdgeTypes.implement(edgeSettings);
// end
// init custom node type
$jit.RGraph.Plot.NodeTypes.implement(nodeSettings);
//implement an edge type
$jit.RGraph.Plot.EdgeTypes.implement(edgeSettings);
// end
function initialize(type, loadLater){
if (loadLater == null) {
loadlater = false;
}
viewMode = "graph";
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gType = type;
if ( type == "centered") {
// init Rgraph
Mconsole = new $jit.RGraph(graphSettings(type));
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}
else if ( type == "arranged" || type == "chaotic" ) {
// init ForceDirected
Mconsole = new $jit.ForceDirected(graphSettings(type));
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}
else {
alert("You didn't specify a type!");
return false;
}
// load JSON data.
if (!loadLater) {
Mconsole.loadJSON(json);
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// choose how to plot and animate the data onto the screen
var chooseAnimate;
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if ( type == "centered") {
// compute positions incrementally and animate.
//trigger small animation
Mconsole.graph.eachNode(function(n) {
var pos = n.getPos();
pos.setc(-200, -200);
});
Mconsole.compute('end');
chooseAnimate = {
modes:['polar'],
duration: 2000
};
}
else if ( type == "arranged" ) {
// compute positions incrementally and animate.
Mconsole.graph.eachNode(function(n) {
var pos = n.getPos();
pos.setc(0, 0);
var newPos = new $jit.Complex();
newPos.x = n.data.$xloc;
newPos.y = n.data.$yloc;
n.setPos(newPos, 'end');
});
chooseAnimate = {
modes: ['linear'],
transition: $jit.Trans.Quad.easeInOut,
duration: 2500
};
}
else if ( type == "chaotic" ) {
// compute positions incrementally and animate.
Mconsole.compute();
chooseAnimate = {
modes: ['linear'],
transition: $jit.Trans.Elastic.easeOut,
duration: 2500
};
}
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$(document).ready(function() {
if ( type == "centered") {
Mconsole.fx.animate(chooseAnimate);
}
else if ( type == "arranged" || type == "chaotic") {
Mconsole.animate(chooseAnimate);
}
});
// end
}// if not loadLater
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}