svg - D3: d3 tree - An interactive tree diagram with arrow marker - 小渝人儿

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>tree</title>
    <style>
    /*#licensing {
      fill: grey;
    }

    #resolved {
        fill:red;
    }

    #suit {
      fill: green;
    }*/


    .node circle {
      fill: #fff;
      stroke: steelblue;
      stroke-width: 3px;
    }

    .node text { font: 12px sans-serif; }

    .link {
      fill: none;
      stroke: #ccc;
      stroke-width: 2px;
    }

    .node {
        cursor: pointer;
    }

    #myMenu1 {margin:0; padding:0; background: #eeeeee; width: 150px; display: none;}
      #myMenu1 ul {margin: 0; padding:0;}
      #myMenu1 li {margin:0; padding:0; padding:2px; list-style: none; height: 21px; text-align: left;}
      #myMenu1 li:hover {background: #3399ff; cursor: pointer;}

    </style>
</head>
<body>
<div id="myMenu1">
  <ul>
    <li id="open">新增规则</li>
    <li id="email">编辑规则</li>
    <li id="save">拉黑规则</li>
    <li id="delete">拉黑事件</li>
  </ul>
</div>

<script src="http://code.jquery.com/jquery-1.8.0.js"></script> 
<script src="http://d3js.org/d3.v3.min.js"></script>    
<script type="text/javascript">
var treeData = [
  {
    "name": "Top Level",
    "parent": "null",
    "value": 10,
    "type": "black",
    "level": "red",
    "cat": "suit",
    "children": [
      {
        "name": "Level 2: A",
        "parent": "Top Level",
        "value": 15,
        "type": "grey",
        "level": "red",
        "cat": "suit",
        "children": [
          {
            "name": "Son of A",
            "parent": "Level 2: A",
            "value": 5,
            "type": "steelblue",
            "cat": "licensing",
            "level": "orange"
          },
          {
            "name": "Daughter of A",
            "parent": "Level 2: A",
            "value": 8,
            "type": "steelblue",
            "cat": "licensing",
            "level": "red"
          }
        ]
      },
      {
        "name": "Level 2: B",
        "parent": "Top Level",
        "value": 10,
        "type": "grey",
        "cat": "resolved",
        "level": "green"
      }
    ]
  }
];

// ************** Generate the tree diagram  *****************
var margin = {top: 20, right: 120, bottom: 20, left: 120},
    width = 960 - margin.right - margin.left,
    height = 500 - margin.top - margin.bottom;

var i = 0,
    duration = 750,
    root;

var tree = d3.layout.tree()
    .size([height, width]);

var diagonal = d3.svg.diagonal()
    .projection(function(d) { return [d.y, d.x]; });

var svg = d3.select("body").append("svg")
    .attr("width", width + margin.right + margin.left)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

root = treeData[0];
root.x0 = height / 2;
root.y0 = 0;

update(root);

// d3.select(self.frameElement).style("height", "500px");

function update(source) {

  // Compute the new tree layout.
  var nodes = tree.nodes(root).reverse(),
      links = tree.links(nodes);

      svg.append("defs").selectAll("marker")
        .data(links)
        //.data(["suit", "licensing", "resolved"])
        .enter()
        .append("marker")
        .attr("id", 'arrowhead')
        .attr("viewBox", "0 -5 10 10")
        .attr("refX", 15)
        .attr("refY", -1.5)
        .attr("markerWidth", 6)
        .attr("markerHeight", 6)
        .attr("orient", "auto")
        .append("path")
        .attr("d", "M0,-5L10,0L0,5");

  // Normalize for fixed-depth.
  nodes.forEach(function(d) { d.y = d.depth * 180; });

  // Update the nodes…
  var node = svg.selectAll("g.node")
      .data(nodes, function(d) { return d.id || (d.id = ++i); });

  // Enter any new nodes at the parent's previous position.
  var nodeEnter = node.enter().append("g")
      .on('contextmenu', contextMenu)
      .attr("class", "node")
      .attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
      .on("click", click);

  nodeEnter.append("circle")
      .attr("r", 10)
      .style("stroke", function(d) { return d.type; })
      .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

  nodeEnter.append("text")
      .attr("x", function(d) { return d.children || d._children ? -13 : 13; })
      .attr("dy", ".35em")
      .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
      .text(function(d) { return d.name; })
      .style("fill-opacity", 1e-6);

  // Transition nodes to their new position.
  var nodeUpdate = node.transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });

  nodeUpdate.select("circle")
      .attr("r", 10)
      .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

  nodeUpdate.select("text")
      .style("fill-opacity", 1);

  // Transition exiting nodes to the parent's new position.
  var nodeExit = node.exit().transition()
      .duration(duration)
      .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
      .remove();

  nodeExit.select("circle")
      .attr("r", 1e-6);

  nodeExit.select("text")
      .style("fill-opacity", 1e-6);

  // Update the links…
  var link = svg.selectAll("path.link")
      .data(links, function(d) { return d.target.id; });


  // Enter any new links at the parent's previous position.
  link.enter().insert("path", "g")
      .attr("class", "link")
      // .attr("marker-end", function(d) {
   //    // console.log(d);
   //    // return "url(#" + d.source.cat + ")"; 
   //  })
      .attr("marker-end", "url(#arrowhead)")
      .style("stroke", function(d) {return d.target.level; })
      .attr("d", function(d) {
        var o = {x: source.x0, y: source.y0};
        return diagonal({source: o, target: o});
      });

  // Transition links to their new position.
  link.transition()
      .duration(duration)
      .attr("d", diagonal);

  // Transition exiting nodes to the parent's new position.
  link.exit().transition()
      .duration(duration)
      .attr("d", function(d) {
        var o = {x: source.x, y: source.y};
        return diagonal({source: o, target: o});
      })
      .remove();

  // Stash the old positions for transition.
  nodes.forEach(function(d) {
    d.x0 = d.x;
    d.y0 = d.y;
  });
}

// Toggle children on click.
function click(d) {
  if (d.children) {
    d._children = d.children;
    d.children = null;
  } else {
    d.children = d._children;
    d._children = null;
  }
  update(d);
}

function contextMenu (data, index){
    var position = d3.mouse(this);

      var x, y;

      if (d3.event.pageX || d3.event.pageY) {
          var x = d3.event.pageX;
          var y = d3.event.pageY;
      } else if (d3.event.clientX || d3.event.clientY) {
          var x = d3.event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
          var y = d3.event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
      }

      d3.select('#myMenu1')
          .style('position', 'absolute')
          .style('left', x + "px")
          .style('top', y + "px")
          .style('display', 'block')
          .on('mouseleave', function() {
               d3.select('#myMenu1').style('display', 'none');
          });

      $("#open, #email, #save, #delete").unbind().click(function(e){
          alert(data.name + $(this).text());
      });

    d3.event.preventDefault();
}

</script>
</body>
</html>
效果：
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D3: d3 tree - An interactive tree diagram with arrow marker

小渝人儿

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