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userAdding.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>D3RDF : Adding</title>
<meta name="author" content="Rathachai CHAWUTHAI">
<style type="text/css">
.node {
stroke: #fff;
fill:#ddd;
stroke-width: 1.5px;
}
.link {
fill: none;
stroke: #999;
stroke-opacity: .6;
stroke-width: 1px;
}
marker {
stroke: #999;
fill:rgba(124,240,10,0);
}
.node-text {
font: 11px sans-serif;
fill:black;
}
.link-text {
font: 9px sans-serif;
fill:grey;
}
svg{
border:1px solid black;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
function filterNodesById(nodes,id){
return nodes.filter(function(n) { return n.id === id; });
}
function filterNodesByType(nodes,value){
return nodes.filter(function(n) { return n.type === value; });
}
function triplesToGraph(triples){
svg.html("");
//Graph
var graph={nodes:[], links:[], triples:[]};
//Initial Graph from triples
triples.forEach(function(triple){
var subjId = triple.subject;
var predId = triple.predicate;
var objId = triple.object;
var subjNode = filterNodesById(graph.nodes, subjId)[0];
var objNode = filterNodesById(graph.nodes, objId)[0];
if(subjNode==null){
subjNode = {id:subjId, label:subjId, weight:1, type:"node"};
graph.nodes.push(subjNode);
}
if(objNode==null){
objNode = {id:objId, label:objId, weight:1, type:"node"};
graph.nodes.push(objNode);
}
var predNode = {id:predId, label:predId, weight:1, type:"pred"} ;
graph.nodes.push(predNode);
var blankLabel = "";
graph.links.push({source:subjNode, target:predNode, predicate:blankLabel, weight:1});
graph.links.push({source:predNode, target:objNode, predicate:blankLabel, weight:1});
graph.triples.push({s:subjNode, p:predNode, o:objNode});
});
return graph;
}
function addNewTriple(){
var subj = $("#subject").val();
var pred = $("#predicate").val();
var obj = $("#object").val();
triples.push({ subject:subj , predicate:pred , object:obj });
graph = triplesToGraph(triples);
update();
}
function update(){
// ==================== Add Marker ====================
svg.append("svg:defs").selectAll("marker")
.data(["end"])
.enter().append("svg:marker")
.attr("id", String)
.attr("viewBox", "0 -5 10 10")
.attr("refX", 30)
.attr("refY", -0.5)
.attr("markerWidth", 6)
.attr("markerHeight", 6)
.attr("orient", "auto")
.append("svg:polyline")
.attr("points", "0,-5 10,0 0,5")
;
// ==================== Add Links ====================
var links = svg.selectAll(".link")
.data(graph.triples)
.enter()
.append("path")
.attr("marker-end", "url(#end)")
.attr("class", "link")
;
// ==================== Add Link Names =====================
var linkTexts = svg.selectAll(".link-text")
.data(graph.triples)
.enter()
.append("text")
.attr("class", "link-text")
.text( function (d) { return d.p.label; })
;
//linkTexts.append("title")
// .text(function(d) { return d.predicate; });
// ==================== Add Link Names =====================
var nodeTexts = svg.selectAll(".node-text")
.data(filterNodesByType(graph.nodes, "node"))
.enter()
.append("text")
.attr("class", "node-text")
.text( function (d) { return d.label; })
;
//nodeTexts.append("title")
// .text(function(d) { return d.label; });
// ==================== Add Node =====================
var nodes = svg.selectAll(".node")
.data(filterNodesByType(graph.nodes, "node"))
.enter()
.append("circle")
.attr("class", "node")
.attr("r",8)
.call(force.drag)
;//nodes
// ==================== Force ====================
force.on("tick", function() {
nodes
.attr("cx", function(d){ return d.x; })
.attr("cy", function(d){ return d.y; })
;
links
.attr("d", function(d) {
return "M" + d.s.x + "," + d.s.y
+ "S" + d.p.x + "," + d.p.y
+ " " + d.o.x + "," + d.o.y;
})
;
nodeTexts
.attr("x", function(d) { return d.x + 12 ; })
.attr("y", function(d) { return d.y + 3; })
;
linkTexts
.attr("x", function(d) { return 4 + (d.s.x + d.p.x + d.o.x)/3 ; })
.attr("y", function(d) { return 4 + (d.s.y + d.p.y + d.o.y)/3 ; })
;
});
// ==================== Run ====================
force
.nodes(graph.nodes)
.links(graph.links)
.charge(-500)
.linkDistance(50)
.start()
;
}
</script>
</head>
<body style="margin:20px;">
<h1>Visualizing RDF using D3 : User-Adding Triples</h1>
<div style="padding:10px; border:1px solid #555; margin:10px auto;">
triples.push( { subject = <input type="text" id="subject" value="ex:lemon"> , predicate = <input type="text" id="predicate" value="rdf:type"> , object = <input type="text" id="object" value="ex:Vegetable"> } );
<br/>graph = triplesToGraph(triples);
<br/>update();
<br/><button type="button" onclick="addNewTriple();" > Run! </button>
</div>
<div id="svg-body" class="panel-body"></div>
<script>
var triples = [
{subject:"ex:ThaiLand", predicate:"ex:hasFood", object:"ex:TomYumKung"},
{subject:"ex:TomYumKung", predicate:"ex:isFoodOf", object:"ex:ThaiLand"},
{subject:"ex:TomYumKung", predicate:"rdf:type", object:"ex:SpicyFood"},
{subject:"ex:TomYumKung", predicate:"ex:includes", object:"ex:shrimp"},
{subject:"ex:TomYumKung", predicate:"ex:includes", object:"ex:chilly"},
{subject:"ex:TomYumKung", predicate:"ex:requires", object:"ex:chilly"},
{subject:"ex:TomYumKung", predicate:"ex:hasSpicy", object:"ex:chilly"},
{subject:"ex:TomYumKung", predicate:"ex:includes", object:"ex:lemon"},
{subject:"ex:lemon", predicate:"ex:hasTaste", object:"ex:sour"},
{subject:"ex:chilly", predicate:"ex:hasTaste", object:"ex:spicy"}
];
var svg = d3.select("#svg-body").append("svg")
.attr("width", 800)
.attr("height", 600)
;
var force = d3.layout.force().size([800, 600]);
var graph = triplesToGraph(triples);
update();
</script>
<footer style="margin-top:40px; padding:20px; height:50px; border-top:1px solid #eee; background:#fafafa; text-align:center">
By: <strong>Rathachai Chawuthai</strong>
<br/>
<a target="_blank" href="https://github.com/Rathachai">GitHub</a> | <a target="_blank" href="https://www.linkedin.com/in/rathachai">LinkedIn</a>
</footer>
</body>