250 lines
10 KiB
JavaScript
250 lines
10 KiB
JavaScript
var labelType, useGradients, nativeTextSupport, animate, json, rg;
|
|
|
|
(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';
|
|
|
|
function initRG(){
|
|
// init custom node type
|
|
$jit.RGraph.Plot.NodeTypes.implement({
|
|
'customNode': {
|
|
'render': function (node, canvas) {
|
|
var pos = node.pos.getc(true),
|
|
dim = node.getData('dim'),
|
|
cat = node.getData('itemcatname'),
|
|
ctx = canvas.getCtx();
|
|
ctx.drawImage(imgArray[cat], pos.x - dim, pos.y - dim, dim*2, dim*2);
|
|
|
|
},
|
|
'contains': function(node, pos) {
|
|
var npos = node.pos.getc(true),
|
|
dim = node.getData('dim');
|
|
return this.nodeHelper.circle.contains(npos, pos, dim);
|
|
}
|
|
}
|
|
});
|
|
// end
|
|
// init RGraph
|
|
rg = new $jit.RGraph({
|
|
//id of the visualization container
|
|
injectInto: 'infovis',
|
|
//Optional: create a background canvas that plots
|
|
//concentric circles.
|
|
background: {
|
|
CanvasStyles: {
|
|
strokeStyle: '#555'
|
|
}
|
|
},
|
|
//Enable zooming and panning
|
|
//by scrolling and DnD
|
|
Navigation: {
|
|
enable: true,
|
|
type: 'HTML',
|
|
//Enable panning events only if we're dragging the empty
|
|
//canvas (and not a node).
|
|
panning: 'avoid nodes',
|
|
zooming: 10 //zoom speed. higher is more sensible
|
|
},
|
|
// Change node and edge styles such as
|
|
// color and width.
|
|
// These properties are also set per node
|
|
// with dollar prefixed data-properties in the
|
|
// JSON structure.
|
|
Node: {
|
|
overridable: true,
|
|
color: '#2D6A5D',
|
|
type: 'customNode',
|
|
dim: 25
|
|
},
|
|
Edge: {
|
|
overridable: true,
|
|
color: '#222222',
|
|
lineWidth: 0.5
|
|
},
|
|
//Native canvas text styling
|
|
Label: {
|
|
type: 'HTML', //Native or HTML
|
|
size: 20,
|
|
//style: 'bold'
|
|
},
|
|
//Add Tips
|
|
Tips: {
|
|
enable: true,
|
|
onShow: function(tip, node) {
|
|
//count connections
|
|
var count = 0;
|
|
node.eachAdjacency(function() { count++; });
|
|
//display node info in tooltip
|
|
tip.innerHTML = "<div class=\"tip-title\">" + node.name + "</div>"
|
|
+ "<div class=\"tip-text\">connections: " + count + "</div>";
|
|
}
|
|
},
|
|
// Add node events
|
|
Events: {
|
|
enable: true,
|
|
type: 'HTML',
|
|
//Change cursor style when hovering a node
|
|
onMouseEnter: function() {
|
|
//rg.canvas.getElement().style.cursor = 'move';
|
|
},
|
|
onMouseLeave: function() {
|
|
//rg.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);
|
|
rg.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);
|
|
},
|
|
//Add also a click handler to nodes
|
|
onClick: function(node) {
|
|
if(!node) return;
|
|
//set final styles
|
|
rg.graph.eachNode(function(n) {
|
|
if(n.id != node.id) delete n.selected;
|
|
n.setData('dim', 25, 'end');
|
|
n.eachAdjacency(function(adj) {
|
|
adj.setDataset('end', {
|
|
lineWidth: 0.5,
|
|
color: '#222222'
|
|
});
|
|
});
|
|
});
|
|
if(!node.selected) {
|
|
node.selected = true;
|
|
node.setData('dim', 35, 'end');
|
|
node.eachAdjacency(function(adj) {
|
|
adj.setDataset('end', {
|
|
lineWidth: 3,
|
|
color: '#FFF'
|
|
});
|
|
});
|
|
} else {
|
|
delete node.selected;
|
|
}
|
|
//trigger animation to final styles
|
|
rg.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 =
|
|
'<p class="type">' + node.getData("itemcatname") + '</p>' +
|
|
'<img alt="' + node.getData("itemcatname") + '" class="icon" height="50" src="' + imgArray[node.getData("itemcatname")].src + '" width="50" />' +
|
|
'<div class="scroll"><a href="/users/' + node.getData("userid") + '/items/' + node.id + '" class="title">' + node.name + '</a>' +
|
|
'<div class="contributor">Added by: <a href="/users/' + node.getData('userid') + '">' + node.getData('username') + '</a></div>' +
|
|
'<div class="desc"><p>' + node.getData('desc') + '</p></div></div>' +
|
|
'<a href="' + node.getData('link') + '" class="link" target="_blank">' + node.getData('link') + '</a>';
|
|
|
|
//append connections information
|
|
$jit.id('showcard').innerHTML = '<div class="item" id="item_' + node.id + '"></div>';
|
|
$jit.id('item_' + node.id).innerHTML = html;
|
|
$("#showcard .scroll").mCustomScrollbar();
|
|
}
|
|
},
|
|
//Number of iterations for the rg algorithm
|
|
iterations: 200,
|
|
//Edge length
|
|
levelDistance: 150,
|
|
// Add text to the labels. 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
|
|
domElement.innerHTML = '<div class="label">' + node.name + '</div>';
|
|
domElement.onclick = function(){
|
|
rg.onClick(node.id, {
|
|
onComplete: function() {
|
|
var html =
|
|
'<p class="type">' + node.getData("itemcatname") + '</p>' +
|
|
'<img alt="' + node.getData("itemcatname") + '" class="icon" height="50" src="' + imgArray[node.getData("itemcatname")].src + '" width="50" />' +
|
|
'<div class="scroll"><a href="/users/' + node.getData("userid") + '/items/' + node.id + '" class="title">' + node.name + '</a>' +
|
|
'<div class="contributor">Added by: <a href="/users/' + node.getData('userid') + '">' + node.getData('username') + '</a></div>' +
|
|
'<div class="desc"><p>' + node.getData('desc') + '</p></div></div>' +
|
|
'<a href="' + node.getData('link') + '" class="link" target="_blank">' + node.getData('link') + '</a>';
|
|
|
|
//append connections information
|
|
$jit.id('showcard').innerHTML = '<div class="item" id="item_' + node.id + '"></div>';
|
|
$jit.id('item_' + node.id).innerHTML = html;
|
|
$("#showcard .scroll").mCustomScrollbar();
|
|
}
|
|
});
|
|
}
|
|
},
|
|
// 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;
|
|
var dim = node.getData('dim');
|
|
style.left = (left - w / 2) + 'px';
|
|
style.top = (top + dim) + 'px';
|
|
style.display = '';
|
|
}
|
|
});
|
|
// load JSON data.
|
|
rg.loadJSON(json);
|
|
// compute positions incrementally and animate.
|
|
//trigger small animation
|
|
rg.graph.eachNode(function(n) {
|
|
var pos = n.getPos();
|
|
pos.setc(-200, -200);
|
|
});
|
|
rg.compute('end');
|
|
rg.fx.animate({
|
|
modes:['polar'],
|
|
duration: 2000
|
|
});
|
|
// end
|
|
}
|