var width = 960,
    height = 500;

var color = d3.scale.category20();

var force = d3.layout.force()
    .charge(-120)
    .linkDistance(200)
    .size([width, height]);

var forceSvg = d3.select("div#chord_chart").append("svg")
    .attr("width", width)
    .attr("height", height);

d3.json("newsGraph.json", function(error, graph) {
  selectedList = [0,10,2,3,4,50,60,75,18];
  selectedData1 = $.map(graph.nodes, function(element){
      return ($.inArray(element.id,selectedList)>-1?element:null);
    });
  selectedData2 = $.map(graph.nodes, function(element){
      return ($.inArray(element.id,selectedList)>-1?element:null);
    });
  console.log(graph);
  force
      .nodes(graph.nodes)
      .links(graph.links)
      .start();

  var graphMin = d3.min(graph.links, function(d){ return d.size; });
  var graphMax = d3.max(graph.links, function(d){ return d.size; });

  var fill = d3.scale.ordinal()
      .domain([graphMin, graphMax])
      .range(["#DB704D", "#D2D0C6", "#ECD08D", "#F8EDD3"]);

  var link = forceSvg.selectAll(".link")
      .data(graph.links)
    .enter().append("line")
      .attr("class", "link")
      .style('stroke-width', 1)
      .style('stroke', function(d){ return fill(d.value); })
      //.style("stroke-width", function(d) { return Math.sqrt(d.value); });

  var node = forceSvg.selectAll(".node")
      .data(graph.nodes)
    .enter().append("circle")
      .attr("class", "node")
      .attr("r", 5)
      .style("fill", function(d) { return color(d.group); })
      .call(force.drag);

  node.append("title")
      .text(function(d) { return d.name; });

  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; });

    node.attr("cx", function(d) { return d.x; })
        .attr("cy", function(d) { return d.y; });
  });
});
var width = 960,
    height = 500;

var color = d3.scale.category20();

var force = d3.layout.force()
    .charge(-120)
    .linkDistance(200)
    .size([width, height]);

var forceSvg = d3.select("div#chord_chart").append("svg")
    .attr("width", width)
    .attr("height", height);

d3.json("newsGraph.json", function(error, graph) {
  selectedList = [0,10,2,3,4,50,60,75,18];
  selectedData1 = $.map(graph.nodes, function(element){
      return ($.inArray(element.id,selectedList)>-1?element:null);
    });
  selectedData2 = $.map(graph.links, function(element){
      return ($.inArray(element.source.id,selectedList)>-1?element:null);
    });
  selectedData3 = $.map(selectedData2, function(element){
      return ($.inArray(element.target.id,selectedList)>-1?element:null);
    });
  new_graph = {};
  new_graph['nodes'] = selectedData1;
  new_graph['links'] = selectedData3;
  console.log(new_graph);
  graph = new_graph;
  console.log(graph);
  force
      .nodes(graph.nodes)
      .links(graph.links)
      .start();

  var graphMin = d3.min(graph.links, function(d){ return d.size; });
  var graphMax = d3.max(graph.links, function(d){ return d.size; });

  var fill = d3.scale.ordinal()
      .domain([graphMin, graphMax])
      .range(["#DB704D", "#D2D0C6", "#ECD08D", "#F8EDD3"]);

  var link = forceSvg.selectAll(".link")
      .data(graph.links)
    .enter().append("line")
      .attr("class", "link")
      .style('stroke-width', 1)
      .style('stroke', function(d){ return fill(d.value); })
      //.style("stroke-width", function(d) { return Math.sqrt(d.value); });

  var node = forceSvg.selectAll(".node")
      .data(graph.nodes)
    .enter().append("circle")
      .attr("class", "node")
      .attr("r", 5)
      .style("fill", function(d) { return color(d.group); })
      .call(force.drag);

  node.append("title")
      .text(function(d) { return d.name; });

  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; });

    node.attr("cx", function(d) { return d.x; })
        .attr("cy", function(d) { return d.y; });
  });
});
update data