metamaps--metamaps/app/views/main/home.html.erb

<%#
  # @file
  # Located at /
  # Shows 3 most recently created topics, synapses, and maps.
  #%>
  
<% content_for :title, "Home | Metamaps" %>   
  
<div class="home_bg">

<div class="home_content">
<div class="home_desc">
<span class="blue">Metamaps</span> is a platform for visioning, magic making, productive conversation, understanding something, innovation, free style weaving and all night brainstorming.
</div>
<div class="clearfloat"></div>

<div class="centeredProfile">
  <div id="homeMap"></div>
</div>
<div class="clearfloat"></div>
<p class="contact">
  Status: INVITE-ONLY BETA <br>
  <a href="/request">request invite</a> : <a href="http://blog.metamaps.cc">visit the blog</a><br>
  To get in touch, follow or tweet <a target="_blank" href="https://twitter.com/metamapps">@metamapps</a>, or join our <a target="_blank" href="https://plus.google.com/u/0/communities/115060009262157699234">Google+ community</a>.
</p>
</div>
<div class="clearfloat"></div>

<h1 class="index">
  Welcome
</h1>
</div>

<script>
var image1 = new Image(); 
image1.src = '/assets/map.png';
var image2 = new Image(); 
image2.src = '/assets/person.png';
var image3 = new Image(); 
image3.src = '/assets/problem.png';
var image4 = new Image(); 
image4.src = '/assets/futuredev.png';
var image5 = new Image(); 
image5.src = '/assets/knowledge.png';
var image6 = new Image(); 
image6.src = '/assets/implication.png';
var rgraph;

$(window).load(function() {
var json = {  
    id: "x",  
    name: "explore maps",
    data: {
      t: "map"
    },
    children: [
    <% @maps.each_with_index do |map, index| %>
      { id: <%= map.id %>,
        name: "<%= map.name.truncate(20) %>",
        data: {
          t: <%= index + 1 %>
        }
      },
    <% end %>
    ]
    };
$jit.RGraph.Plot.NodeTypes.implement({
	  'customNode': {  
		  'render': function (node, canvas) {		  			  
			  var pos = node.pos.getc(true),
			  dim = node.getData('dim'),
        type = node.data.t,
			  ctx = canvas.getCtx();
			  
        if (type == "map") {
			    ctx.drawImage(image1, pos.x - dim, pos.y - dim, dim*2, dim*2);
        } else if (type == 1) {
			    ctx.drawImage(image2, pos.x - dim, pos.y - dim, dim*2, dim*2);
        } else if (type == 2) {
			    ctx.drawImage(image3, pos.x - dim, pos.y - dim, dim*2, dim*2);
        } else if (type == 3) {
			    ctx.drawImage(image4, pos.x - dim, pos.y - dim, dim*2, dim*2);
        } else if (type == 4) {
			    ctx.drawImage(image5, pos.x - dim, pos.y - dim, dim*2, dim*2);
        } else if (type == 5) {
			    ctx.drawImage(image6, 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);
		  }
	  }
  });
rgraph = new $jit.RGraph({  
    //Where to append the visualization  
    injectInto: 'homeMap',  
    //Optional: create a background canvas that plots  
    //concentric circles.  
    background: {  
      CanvasStyles: {
        strokeStyle: '#36bbe8',
        lineWidth: 1
      }  
    },  
    //Add navigation capabilities:  
    //zooming by scrolling and panning.  
    Navigation: {  
      enable: true,  
      panning: true,  
      zooming: 10  
    },  
    //Set Node and Edge styles.  
    Node: {  
        type: 'customNode',
        dim: 20        
    },  
      
    Edge: {  
      color: '#000',  
      lineWidth: 0.2  
    }, 
    levelDistance: 150,    
  
    onBeforeCompute: function(node){  
        //Log.write("centering " + node.name + "...");  
        //Add the relation list in the right column.  
        //This list is taken from the data property of each JSON node.  
        //$jit.id('inner-details').innerHTML = node.data.relation;  
    },  
      
    //Add the name of the node in the correponding label  
    //and a click handler to move the graph.  
    //This method is called once, on label creation.  
    onCreateLabel: function(domElement, node){  
        domElement.innerHTML = node.name;  
        domElement.onclick = function(){
          if (node.data.t == "map") {
            window.location = "/maps";
          } else {          
            window.location = "/maps/" + node.id;
          }            
        };
    },  
    //Change some label dom properties.  
    //This method is called each time a label is plotted.  
    onPlaceLabel: function(domElement, node){  
        var style = domElement.style;  
        style.display = '';  
        style.cursor = 'pointer';  
  
        if (node._depth == 0) {  
            style.fontSize = "1.2em";  
            style.color = "#FFF";
        } else if(node._depth == 1){  
            style.fontSize = "1.6em";  
            style.color = "#FFF";
        }
  
        var left = parseInt(style.left);  
        var w = domElement.offsetWidth;  
        style.left = (left - w / 2 + 8) + 'px';
        var top = parseInt(style.top);
        style.top = (top + 10) + 'px';        
    }  
});  
//load JSON data  
rgraph.loadJSON(json);  
//trigger small animation  
rgraph.graph.eachNode(function(n) {  
  var pos = n.getPos();  
  pos.setc(-200, -200);  
});  
rgraph.compute('end');  
rgraph.fx.animate({  
  modes:['polar'],  
  duration: 2000  
}); 
});
</script>