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switched show topic view to rgraph. coolest. shit. ever

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This commit is contained in:
Connor Turland 2012-10-21 15:57:48 -04:00
parent e32e2a25d7
commit 1bc69512de
6 changed files with 517 additions and 4 deletions
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282
app/assets/javascripts/Jit/ForceDirected/metamapFD.js Normal file
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var labelType, useGradients, nativeTextSupport, animate, json, fd;
(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 initFD(){
// init custom node type
$jit.ForceDirected.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 ForceDirected
fd = new $jit.ForceDirected({
//id of the visualization container
injectInto: 'infovis',
//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: '#d1d1d1',
lineWidth: 0.4
},
//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() {
//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);
},
//Add also a click handler to nodes
onClick: function(node) {
if(!node) return;
//set final styles
fd.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: 0.4,
color: '#d1d1d1'
});
});
});
if(!node.selected) {
node.selected = true;
node.setData('dim', 35, '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 = '<div class="item" id="item_' + node.id + '"><p class="type">' + node.getData("itemcatname") + '</p><img alt="' + node.getData("itemcatname") + '" class="icon" height="50" src="' + imgArray[node.getData("itemcatname")].src + '" width="50" /><a href="/items/' + node.id + '" class="title">' + node.name + '</a><div class="desc"><p>' + node.getData('desc') + '</p></div><a href="' + node.getData('link') + '" class="link" target="_blank">' + node.getData('link') + '</a></div>';
//append connections information
$jit.id('showcard').innerHTML = html;
}
},
//Number of iterations for the FD 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
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 = "0.9em";
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', 25, 'end');
n.eachAdjacency(function(adj) {
adj.setDataset('end', {
lineWidth: 0.4,
color: '#d1d1d1'
});
});
});
if(!node.selected) {
node.selected = true;
node.setData('dim', 35, '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 = '<div class="item" id="item_' + node.id + '"><p class="type">' + node.getData("itemcatname") + '</p><img alt="' + node.getData("itemcatname") + '" class="icon" height="50" src="' + imgArray[node.getData("itemcatname")].src + '" width="50" /><a href="/items/' + node.id + '" class="title">' + node.name + '</a><div class="desc"><p>' + node.getData('desc') + '</p></div><a href="' + node.getData('link') + '" class="link" target="_blank">' + node.getData('link') + '</a></div>';
//append connections information
$jit.id('showcard').innerHTML = html;
};
},
// 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.
fd.loadJSON(json);
// compute positions incrementally and animate.
fd.computeIncremental({
iter: 40,
property: 'end',
onStep: function(perc){
},
onComplete: function(){
fd.animate({
modes: ['linear'],
transition: $jit.Trans.Elastic.easeOut,
duration: 2500
});
}
});
// end
}

230
app/assets/javascripts/Jit/RGraph/metamapRG.js Normal file
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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: '#d1d1d1',
lineWidth: 0.4
},
//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: 0.4,
color: '#d1d1d1'
});
});
});
if(!node.selected) {
node.selected = true;
node.setData('dim', 35, 'end');
node.eachAdjacency(function(adj) {
adj.setDataset('end', {
lineWidth: 3,
color: '#36acfb'
});
});
} 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 = '<div class="item" id="item_' + node.id + '"><p class="type">' + node.getData("itemcatname") + '</p><img alt="' + node.getData("itemcatname") + '" class="icon" height="50" src="' + imgArray[node.getData("itemcatname")].src + '" width="50" /><a href="/items/' + node.id + '" class="title">' + node.name + '</a><div class="desc"><p>' + node.getData('desc') + '</p></div><a href="' + node.getData('link') + '" class="link" target="_blank">' + node.getData('link') + '</a></div>';
//append connections information
$jit.id('showcard').innerHTML = html;
}
},
//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 = node.name;
domElement.onclick = function(){
rg.onClick(node.id, {
onComplete: function() {
}
});
}
},
// 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
}

3
app/assets/javascripts/application.js
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@ -15,7 +15,8 @@
//= require_tree .
//= require Jit/jit-yc
//= require Jit/excanvas
//= require Jit/ForceDirected/metamap
//= require Jit/ForceDirected/metamapFD
//= require Jit/RGraph/metamapRG
$(document).ready(function() {
$('.nodemargin').css('padding-top',$('.focus').css('height'));

2
app/views/items/show.html.erb
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@ -30,7 +30,7 @@
json = <%= @relatives %>;
console.log(json);
$(document).ready(function() {
init();
initRG();
});
</script>

2
app/views/main/home.html.erb
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@ -10,7 +10,7 @@
<script>
json = <%= @alljson %>;
$(document).ready(function() {
init();
initFD();
});
</script>
<% end %>

2
app/views/main/usersynapses.html.erb
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@ -10,7 +10,7 @@
<script>
json = <%= @synapsesjson %>;
$(document).ready(function() {
init();
initFD();
});
</script>