lore-graph/mbostock-950642-2.html at master · 13f/lore-graph · GitHub

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<!DOCTYPE html>
<html lang="zh" class="">
<head>
	<meta charset="utf-8" />

	<style>
	.link {
	  stroke: #ccc;
	}

	.node text {
	  pointer-events: none;
	  font: 10px sans-serif;
	}
	</style>
</head>

<body>
<div>
  <span>文件名：</span>
  <input id="file" name="file" type="text"></input>
  <button onclick="process();">PROCESS</button>
</div>

<!-- <script src="./lib/collections.js"></script> -->
<script src="./lib/linq.js"></script>
<script src="./lib/d3/d3.v3.js"></script>
<script src="./lib/d3/d3-tip.js"></script>
<script>

var width = 960,
    height = 500;

// 将JSON中的数据解析出来，用于检索
var dataNodes = [];
var dataEdges = [];
var dataRelations = [];

document.getElementById("file").value = "graph1.json";

function processNormalNodes(node){
  var tmp = node.filter( function(d) { return d.type == null || d.type == "" } );
  tmp.append("image")
	  .attr("xlink:href", function(d) { return d.icon })
      .attr("x", -8)
      .attr("y", -8)
      .attr("width", 16)
      .attr("height", 16);
  tmp.append("text")
      .attr("dx", 12)
      .attr("dy", ".35em")
      .text(function(d) { return d.value });
}

function processNumberNodes(node){
  var tmp = node.filter( function(d) { return d.type == "number" } );
  tmp.append("image")
	  .attr("xlink:href", function(d) { return d.icon })
	  .attr("x", -8)
	  .attr("y", -8)
	  .attr("width", 16)
	  .attr("height", 16);
  tmp.append("text")
      .attr("dx", 12)
      .attr("dy", ".35em")
      .text(function(d) { return d.value });
}

function processStringNodes(node){
  var tmp = node.filter( function(d) { return d.type == "string" } );
  tmp.append("image")
	  .attr("xlink:href", function(d) { return d.icon })
	  .attr("x", -8)
	  .attr("y", -8)
	  .attr("width", 16)
	  .attr("height", 16);
  tmp.append("text")
      .attr("dx", 12)
      .attr("dy", ".35em")
      .text(function(d) { return d.value });
}

function processUrlNodes(node){
  var tmp = node.filter( function(d) { return d.type == "url" } );
  tmp.append("a")
	  .attr("xlink:href", function(d) { return d.value })
	  .attr("target", "_new")
	.append("image")
	  .attr("xlink:href", function(d) { return d.icon })
      .attr("x", -8)
      .attr("y", -8)
      .attr("width", 16)
      .attr("height", 16);
}

function processImageNodes(node){
  var tmp = node.filter( function(d) { return d.type == "image-url" } );
  tmp.append("image")
	  .attr("xlink:href", function(d) { return d.icon })
      .attr("x", -8)
      .attr("y", -8)
      .attr("width", 16)
      .attr("height", 16);
}

function processObjectNodes(node){
  var tmp = node.filter( function(d) { return d.type == "object-url" } );
  tmp.append("image")
	  .attr("xlink:href", function(d) { return d.icon })
      .attr("x", -8)
      .attr("y", -8)
      .attr("width", 16)
      .attr("height", 16);
  tmp.append("text")
      .attr("dx", 12)
      .attr("dy", ".35em")
      .text(function(d) { return d.value });
}


var tip = d3.tip()
  .attr('class', 'd3-tip')
  .offset([-10, 0])
  .html(function(d) { // 这里应该根据link/edge的relation进行检索，而不是直接使用某个属性
	// 1
    //return "<span style='color:gray'>" + d.relation + "</span>";
	// 2
	//var tmp = dataRelations.where( function(i){ return i.url == d.relation } ).first();
	var tmp = dataRelations.first( function(i){ return i.url == d.relation } );
	return "<span style='color:gray'>" + ( tmp == null ? "predicate(" + d.relation + ")" : tmp.title ) + "</span>";
  })

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

svg.call(tip);

var force = d3.layout.force()
    .gravity(.05)
    .distance(100)
    .charge(-100)
    .size([width, height]);

// test 0: orginal source json data
// test 1:
function process(){
  var filename = document.getElementById("file").value;
  d3.json("http://www.chuci.info/demo/lore-graph/example-data/" + filename, function(error, json) {
  force
      .nodes(json.nodes)
      .links(json.edges)
      .start();

  dataNodes = json.nodes;
  dataEdges = json.edges;
  dataRelations = json.relations;

  var link = svg.selectAll(".link")
      .data(json.edges)
	.enter()
	  .append("line")
      .attr("class", "link")
	  .on('mouseover', tip.show)
      .on('mouseout', tip.hide);

  var node = svg.selectAll(".node")
      .data(json.nodes)
    .enter()
	  .append("g")
      .attr("class", "node")
      .call(force.drag);

  processNormalNodes(node);
  processNumberNodes(node);
  processStringNodes(node);
  processImageNodes(node);
  processUrlNodes(node);
  processObjectNodes(node);

  force.on("tick", function() {
    link.attr("x1", function(d) { return d.source.x; })
        .attr("y1", function(d) { return d.source.y; })
        .attr("x2", function(d) { return d.target.x; })
        .attr("y2", function(d) { return d.target.y; });

	// add from visual-rdf.js
	//link.attr("x", function(d) { return (d.source.x+d.target.x)/2; })
    //    .attr("y", function(d) { return (d.source.y+d.target.y)/2; });

    node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });

	// visual-rdf.js
	//linkArrowhead.attr("points", function(d) {
  	//  	  return [[d.target.x,d.target.y+10].join(","),
  	//  	  	[d.target.x-3,d.target.y+16].join(","),
  	//  	  [d.target.x+3,d.target.y+16].join(",")].join(" ");
  	//  })
  	//  .attr("transform",function(d) {
  	//  	  angle = Math.atan2(d.target.y-d.source.y, d.target.x-d.source.x)*180/Math.PI + 90;
  	//  	  return "rotate("+angle+", "+d.target.x+", "+d.target.y+")";
  	//  });
  }); // force.on(tick)

});
}

</script>

</body>
</html>