networkD3 experiments with reusable d3.chart hierarchical layouts

d3.chart.layout.hierarchy.js

/*! d3.chart.layout - v0.1.1
 *  https://github.com/bansaghi/d3.chart.layout/
 *  
 *  Copyright (c) 2014 Anna Bansaghi
 *  License under the BSD license.
 */

d3.chart("hierarchy", {

  initialize: function() {

    this.d3      = {};
    this.layers  = {};

    this.base.attr("width",  this.base.node().parentNode.clientWidth);
    this.base.attr("height", this.base.node().parentNode.clientHeight);

    this.d3.zoom = d3.behavior.zoom();
    this.layers.base = this.base.append("g");
    
    this.name(this._name         || "name");
    this.value(this._value       || "value");
    this.duration(this._duration || 750);

  },




  transform: function(root) {
    return root;
  },


  name: function(_) {
    if (!arguments.length) {
      return this._name;
    }

    this._name = _;

    this.trigger("change:name");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },


  value: function(_) {
    if (!arguments.length) {
      return this._value;
    }

    this._value = _;

    this.trigger("change:value");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },


  duration: function(_) {
    if (!arguments.length) {
      return this._duration;
    }

    this._duration = _;

    this.trigger("change:duration");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },


  zoomable: function(_) {
    var chart = this;

    var extent = _ || [0, Infinity];

    function zoom() {
      chart.layers.base
        .attr("transform", "translate(" + d3.event.translate + ")" + " scale(" + d3.event.scale + ")");
    }

    chart.base.call(chart.d3.zoom.scaleExtent(extent).on("zoom", zoom));

    return chart;
  },
});




d3.chart("hierarchy").extend("cluster-tree", {

  initialize : function() {

    var chart = this;

    var counter = 0;

    chart.radius(chart._radius || 4.5);

    chart._width  = chart.base.attr("width");
    chart._height = chart.base.attr("height");

    chart.layers.links = chart.layers.base.append("g").classed("links", true);
    chart.layers.nodes = chart.layers.base.append("g").classed("nodes", true);


    chart.layer("nodes", chart.layers.nodes, {

      dataBind: function(data) {
        return this.selectAll(".node")
          .data(data, function(d) { return d._id || (d._id = ++counter); });
      },

      insert: function() {
        return this.append("g")
          .classed("node", true);
      },

      events: {
        "enter": function() {
          this.append("circle")
            .attr("r", 0)
            .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });

          this.append("text")
            .attr("dy", ".35em")
            .text(function(d) { return d[chart._name]; })
            .style("fill-opacity", 0);

          // http://stackoverflow.com/questions/1067464/need-to-cancel-click-mouseup-events-when-double-click-event-detected/1067484#1067484
          this.on("click", function(event) {
            var that = this;

            setTimeout(function() {
              var dblclick = parseInt(that.getAttribute("data-double"), 10);
              if (dblclick > 0) {
                that.setAttribute("data-double", dblclick-1);
              } else {
                chart.trigger("singleClick", event);
              }
            }, 300);
            d3.event.stopPropagation();

          }).on("dblclick", function(event) {
            this.setAttribute("data-double", 2);
            chart.trigger("doubleClick", event);
            d3.event.stopPropagation();
          });
        },

        "merge:transition": function() {
          this.select("circle")
            .attr("r", chart._radius)
            .style("stroke", function(d) { return d.path ? "brown" : "steelblue"; })
            .style("fill", function(d) { return d.path && ! d.parent.path ? "#E2A76F"
                                                                          : d._children ? "lightsteelblue" : "#fff"; });
          this.select("text")
            .style("fill-opacity", 1);
        },

        "exit:transition": function() {
          this.duration(chart._duration)
            .remove();

          this.select("circle")
            .attr("r", 0);

          this.select("text")
            .style("fill-opacity", 0);
        },
      }
    });


    chart.layer("links", chart.layers.links, {
      dataBind: function(data) {
        return this.selectAll(".link")
          .data(chart.d3.layout.links(data), function(d) { return d.target._id; });
      },

      insert: function() {
        return this.append("path")
          .classed("link", true);
      },

      events: {
        "enter": function() {
          this
            .attr("d", function(d) {
              var o = { x: chart.source.x0, y: chart.source.y0 };
              return chart.d3.diagonal({ source: o, target: o });
            });
        },

        "merge:transition": function() {
          this.duration(chart._duration)
            .attr("d", chart.d3.diagonal)
            .attr("stroke", function(d) { return d.source.path && d.target.path ? "#dd7b7b" : "#ccc"; })
            .style("stroke-width", function(d) { return d.path ? 1 : 1.5; });
        },

        "exit:transition": function() {
          this.duration(chart._duration)
            .attr("d", function(d) {
              var o = { x: chart.source.x, y: chart.source.y };
              return chart.d3.diagonal({ source: o, target: o });
            })
            .remove();
        },
      },
    });
  },


  radius: function(_) {
    if (!arguments.length) {
      return this._radius;
    }

    this._radius = _;  

    this.trigger("change:radius");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },


  collapsible: function() {
    var chart = this;

    chart.once("collapse:init", function() {
      //chart.root.children.forEach(collapse);
    });


    chart.on("singleClick", function(d) {
      d = toggle(d);
      chart.trigger("transform:stash");
      chart.draw(d);
    });


    function toggle(d) {
      if (d.children) {
        d._children = d.children;
        d.children = null;
      } else if (d._children) {
        d.children = d._children;
        d._children = null;
      }
      return d;
    }

    function collapse(d) {
      if (d.children) {
        d._children = d.children;
        d._children.forEach(collapse);
        d.children = null;
      }
    }

    return this;
  },

});




d3.chart("cluster-tree").extend("cluster-tree.cartesian", {

  initialize : function() {

    var chart = this;

    chart.margin(chart._margin || {});

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


    chart.layers.nodes.on("enter", function() {
      this
        .attr("transform", function(d) { return "translate(" + chart.source.y0 + "," + chart.source.x0 + ")"; });

      this.select("text")
        .attr("x", function(d) { return d.children || d._children ? -10 : 10; })
        .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; });
    });

    chart.layers.nodes.on("merge:transition", function() {
      this.duration(chart._duration)
        .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
    });

    chart.layers.nodes.on("exit:transition", function() {
      this
        .attr("transform", function(d) { return "translate(" + chart.source.y + "," + chart.source.x + ")"; });
    });


    chart.on("change:margin", function() {
      chart._width  = chart.base.attr("width")  - chart._margin.left - chart._margin.right;
      chart._height = chart.base.attr("height") - chart._margin.top  - chart._margin.bottom;
      chart.base.attr("transform", "translate(" + chart._margin.left + "," + chart._margin.top + ")");
    });
  },



  transform: function(root) {
    var chart = this,
        nodes;
    chart.source = root;

    if ( ! chart.root) {
      chart.root    = root;
      chart.root.x0 = chart._height / 2;
      chart.root.y0 = 0;

      nodes = chart.d3.layout
        .size([chart._height, chart._width])
        .nodes(chart.root); // workaround for getting correct chart.root to transform method in hierarchy.js

      chart.trigger("collapse:init");
    }

    nodes = chart.d3.layout
      //.size([chart._height, chart._width])
      .nodes(chart.root).reverse();

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

    chart.on("transform:stash", function() {
      nodes.forEach(function(d) {
        d.x0 = d.x;
        d.y0 = d.y;
      });
    });

    return nodes;
  },


  margin: function(_) {
    if (!arguments.length) {
      return this._margin;
    }

    ["top", "right", "bottom", "left"].forEach(function(dimension) {
      if (dimension in _) {
        this[dimension] = _[dimension];
      }
    }, this._margin = { top: 0, right: 0, bottom: 0, left: 0 });

    this.trigger("change:margin");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },
});




d3.chart("cluster-tree").extend("cluster-tree.radial", {

  initialize : function() {

    var chart = this;

    chart.diameter(chart._diameter || Math.min(chart._width, chart._height));

    chart.d3.diagonal = d3.svg.diagonal.radial().projection(function(d) { return [d.y, d.x / 180 * Math.PI]; });
    chart.d3.zoom.translate([chart._diameter / 2, chart._diameter / 2]);

    chart.layers.base
      .attr("transform", "translate(" + chart._diameter / 2 + "," + chart._diameter / 2 + ")");


    chart.layers.nodes.on("enter", function() {
      this
        .attr("transform", function(d) { return "rotate(" + (chart.source.x0 - 90) + ")translate(" + chart.source.y0 + ")"; });

      this.select("text")
        .attr("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; })
        .attr("transform", function(d) { return d.x < 180 ? "translate(8)" : "rotate(180)translate(-8)"; });
    });

    chart.layers.nodes.on("merge:transition", function() {
      this.duration(chart._duration)
        .attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; });
    });

    chart.layers.nodes.on("exit:transition", function() {
      this
        .attr("transform", function(d) { return "rotate(" + (chart.source.x - 90) + ")translate(" + chart.source.y + ")"; });
    });
  },


  transform: function(root) {
    var chart = this,
        nodes;
    chart.source = root;

    if ( ! chart.root) {
      chart.root    = root;
      chart.root.x0 = 360;
      chart.root.y0 = 0;

      nodes = chart.d3.layout
        .size([360, chart._diameter / 4])
        .separation(function(a, b) { if (a.depth === 0) { return 1; } else { return (a.parent == b.parent ? 1 : 2) / a.depth; }}) // workaround
        .nodes(chart.root);

      chart.trigger("collapse:init");
    }

    nodes = chart.d3.layout.nodes(chart.root).reverse();

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

    chart.on("transform:stash", function() {
      nodes.forEach(function(d) {
        d.x0 = d.x;
        d.y0 = d.y;
      });
    });

    return nodes;
  },


  diameter: function(_) {
    if (!arguments.length) {
      return this._diameter;
    }

    this._diameter = _;
    
    this.trigger("change:diameter");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },
});




d3.chart("cluster-tree.cartesian").extend("cluster.cartesian", {

  initialize : function() {
    this.d3.layout = d3.layout.cluster();
  },
});


d3.chart("cluster-tree.radial").extend("cluster.radial", {

  initialize : function() {
    this.d3.layout = d3.layout.cluster();
  },
});


d3.chart("hierarchy").extend("pack.flattened", {

  initialize : function() {

    var chart = this;

    chart.d3.layout = d3.layout.pack();
   
    chart._width  = chart.base.attr("width");
    chart._height = chart.base.attr("height");

    chart.flatten(chart._flatten || null);
    chart.formats(chart._formats || {});
    chart.diameter(chart._diameter || Math.min(chart._width, chart._height));

    chart.d3.zoom.translate([(chart._width - chart._diameter) / 2, (chart._height - chart._diameter) / 2]);

    chart.layers.base
      .attr("transform", "translate(" + (chart._width - chart._diameter) / 2 + "," + (chart._height - chart._diameter) / 2 + ")");


    chart.layer("base", chart.layers.base, {

      dataBind: function(data) {
        return this.selectAll(".node")
          .data(data.filter(function(d) { return ! d.children; }));
      },

      insert: function() {
        return this.append("g");
      },

      events: {
        "enter": function() {

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

          this.append("circle")
            .attr("r", function(d) { return d.r; })
            .style("stroke", "#aaa")
            .style("fill", chart._formats.fill);

          this.append("text")
            .attr("dy", ".3em")
            .style("text-anchor", "middle")
            .text(function(d) { return d[chart._name].substring(0, d.r / 3); });

          this.append("title")
            .text(chart._formats.title);

          this.on("click", function(event) {
            var that = this;

            setTimeout(function() {
              var dblclick = parseInt(that.getAttribute("data-double"), 10);
              if (dblclick > 0) {
                that.setAttribute("data-double", dblclick-1);
              } else {
                chart.trigger("singleClick", event);
              }
            }, 300);
            d3.event.stopPropagation();

          }).on("dblclick", function(event) {
            this.setAttribute("data-double", 2);
            chart.trigger("doubleClick", event);
            d3.event.stopPropagation();
          });
        },
      }
    });

    chart.on("change:diameter", function() {
      chart.layers.base
        .attr("transform", "translate(" + (chart._width - chart._diameter) / 2 + "," + (chart._height - chart._diameter) / 2 + ")");
    });
  },



  transform: function(root) {
    var chart = this;
    chart.root = root;

    return chart.d3.layout
      .size([chart._diameter, chart._diameter])
      .sort(null)
      .padding(1.5)
      .value(function(d) { return d[chart._value]; })
      .nodes(chart._flatten ? chart._flatten(root) : root);
  },


  diameter: function(_) {
    if (!arguments.length) {
      return this._diameter;
    }

    this._diameter = _ - 10;

    this.trigger("change:diameter");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },


  flatten: function(_) {
    if (!arguments.length) {
      return this._flatten;
    }

    this._flatten = _;

    this.trigger("change:flatten");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },


  formats: function(_) {
    if (!arguments.length) {
      return this._formats;
    }
    var chart = this;
    var color = d3.scale.category20c();

    ["title", "fill"].forEach(function(format) {
      if (format in _) {
        this[format] = d3.functor(_[format]);
      }
    }, this._formats = {
       title : function(d) { return d[chart._value]; },
       fill  : function(d) { return color(d[chart._name]); }
      }
    );

    this.trigger("change:formats");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },

});




d3.chart("hierarchy").extend("pack.nested", {

  initialize : function() {

    var chart = this;
    
    chart.d3.layout = d3.layout.pack();

    chart._width  = chart.base.attr("width");
    chart._height = chart.base.attr("height");
    chart.diameter(chart._diameter || Math.min(chart._width, chart._height));

    chart.d3.zoom.translate([(chart._width - chart._diameter) / 2, (chart._height - chart._diameter) / 2]);

    chart.layers.base
      .attr("transform", "translate(" + (chart._width - chart._diameter) / 2 + "," + (chart._height - chart._diameter) / 2 + ")");


    chart.layer("base", chart.layers.base, {

      dataBind: function(data) {
        return this.selectAll(".node").data(data);
      },

      insert: function() {
        return this.append("g");
      },

      events: {
        enter: function() {

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

          this.append("circle")
            .attr("r", function(d) { return d.r; });

          this.append("text")
            .attr("dy", ".3em")
            .style("text-anchor", "middle");

          this.on("click", function(event) {
            var that = this;

            setTimeout(function() {
              var dblclick = parseInt(that.getAttribute("data-double"), 10);
              if (dblclick > 0) {
                that.setAttribute("data-double", dblclick-1);
              } else {
                chart.trigger("singleClick", event);
              }
            }, 300);
            d3.event.stopPropagation();

          }).on("dblclick", function(event) {
            this.setAttribute("data-double", 2);
            chart.trigger("doubleClick", event);
            d3.event.stopPropagation();
          });
        },

        merge: function() {

          this.attr("class", function(d) { return d.children ? "node parent" : "node child"; });

          this.select("text")
            .style("opacity", function(d) { return d.r > 20 ? 1 : 0; })
            .text(function(d) { return d[chart._name]; });
        },
      }
    });


    chart.on("change:diameter", function() {
      chart.layers.base
        .attr("transform", "translate(" + (chart._width - chart._diameter) / 2 + "," + (chart._height - chart._diameter) / 2 + ")");
    });
  },


  transform: function(root) {
    var chart = this;
    chart.root = root;
   
    return chart.d3.layout
      .size([chart._diameter, chart._diameter])
      .value(function(d) { return d[chart._value]; })
      .nodes(root);
  },


  diameter: function(_) {
    if (!arguments.length) {
      return this._diameter;
    }

    this._diameter = _ - 10;

    this.trigger("change:diameter");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  }, 


  collapsible: function() {
    var chart = this;

    var node,
        x = d3.scale.linear().range([0, chart._diameter]),
        y = d3.scale.linear().range([0, chart._diameter]);


    chart.layers.base.on("merge", function() {
      node = chart.root;
      chart.on("singleClick", function(d) { collapse(node == d ? chart.root : d); });
    });

    chart.base.on("click", function() { collapse(chart.root); });
//    d3.select(window).on("click", function() { collapse(chart.root); });


    function collapse(d) {
      var k = chart._diameter / d.r / 2;

      x.domain([d.x - d.r, d.x + d.r]);
      y.domain([d.y - d.r, d.y + d.r]);

      var t = chart.layers.base.transition()
        .duration(chart._duration);

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

      t.selectAll("circle")
        .attr("r", function(d) { return k * d.r; });

      t.selectAll("text")
        .style("opacity", function(d) { return k * d.r > 20 ? 1 : 0; });

      node = d;
    }

    return this;
  },


});




d3.chart("hierarchy").extend("partition.arc", {
 
  initialize : function() {

    var chart = this;

    chart.d3.layout = d3.layout.partition();

    chart._width  = chart.base.attr("width");
    chart._height = chart.base.attr("height");

    chart.diameter(chart._diameter || Math.min(chart._width, chart._height));


    chart.d3.color = d3.scale.category20c();
    chart.d3.x     = d3.scale.linear().range([0, 2 * Math.PI]);
    chart.d3.y     = d3.scale.sqrt().range([0, chart._diameter / 2]);
    chart.d3.arc   = d3.svg.arc()
      .startAngle(function(d)  { return Math.max(0, Math.min(2 * Math.PI, chart.d3.x(d.x))); })
      .endAngle(function(d)    { return Math.max(0, Math.min(2 * Math.PI, chart.d3.x(d.x + d.dx))); })
      .innerRadius(function(d) { return Math.max(0, chart.d3.y(d.y)); })
      .outerRadius(function(d) { return Math.max(0, chart.d3.y(d.y + d.dy)); });

    chart.d3.zoom.translate([chart.base.attr("width") / 2, chart.base.attr("height") / 2]);

    chart.layers.base
      .attr("transform", "translate(" + chart.base.attr("width") / 2 + "," + chart.base.attr("height") / 2 + ")");


    chart.layer("base", chart.layers.base, {

      dataBind: function(data) {
        return this.selectAll("path")
          .data(data);
      },

      insert: function() {
        return this.append("path");
      },

      events: {
        enter: function() {
          this.attr("d", chart.d3.arc)
            .style("fill", function(d) { return chart.d3.color((d.children ? d : d.parent)[chart._name]); });

          this.on("click", function(event) {
            var that = this;

            setTimeout(function() {
              var dblclick = parseInt(that.getAttribute("data-double"), 10);
              if (dblclick > 0) {
                that.setAttribute("data-double", dblclick-1);
              } else {
                chart.trigger("singleClick", event);
              }
            }, 300);
            d3.event.stopPropagation();

          }).on("dblclick", function(event) {
            this.setAttribute("data-double", 2);
            chart.trigger("doubleClick", event);
            d3.event.stopPropagation();
          });
        }
      }
    });


    chart.on("change:radius", function() {
      chart.layers.paths
        .attr("transform", "translate(" + chart.base.attr("width") / 2 + "," + chart.base.attr("height") / 2 + ")");
      chart.d3.y = d3.scale.sqrt().range([0, chart._diameter / 2]);
    });
  },



  transform: function(root) {
    var chart = this;
    chart.root = root;

    return chart.d3.layout
      .value(function(d) { return d[chart._value]; })
      .nodes(root);
  },


  diameter: function(_) {
    if (!arguments.length) {
      return this._diameter;
    }

    this._diameter = _ - 10;  

    this.trigger("change:radius");
    if (this.root) {
      this.draw(this.root);
    }

    return this;
  },


  collapsible: function() {
    var chart = this;

    chart.layers.base.on("merge", function() {
      var path = this;
      chart.on("singleClick", function(d) {
          path.transition()
            .duration(chart._duration)
            .attrTween("d", arcTween(d));
        });
    });

    function arcTween(d) {
      var xd = d3.interpolate(chart.d3.x.domain(), [d.x, d.x + d.dx]),
          yd = d3.interpolate(chart.d3.y.domain(), [d.y, 1]),
          yr = d3.interpolate(chart.d3.y.range(), [d.y ? 20 : 0, chart._diameter / 2]);
      return function(d, i) {
        return i ? function(t) { return chart.d3.arc(d); }
                 : function(t) { chart.d3.x.domain(xd(t)); chart.d3.y.domain(yd(t)).range(yr(t)); return chart.d3.arc(d); };
      };
    }

    return this;
  },

});



d3.chart("hierarchy").extend("partition.rectangle", {

  initialize : function() {

    var chart = this;
    
    chart.d3.layout = d3.layout.partition();

    chart._width  = chart.base.attr("width");
    chart._height = chart.base.attr("height");

   
    var x = d3.scale.linear().range([0, chart._width]),
        y = d3.scale.linear().range([0, chart._height]);

    chart.d3.transform = function(d, ky) { return "translate(8," + d.dx * ky / 2 + ")"; };


    chart.layer("base", chart.layers.base, {

      dataBind: function(data) {
        return this.selectAll(".partition")
          .data(data);
      },

      insert: function() {
        return this.append("g")
          .classed("partition", true)
          .attr("transform", function(d) { return "translate(" + x(d.y) + "," + y(d.x) + ")"; });
      },

      events: {
        enter: function() {
          var kx = chart._width  / chart.root.dx,
              ky = chart._height / 1; 

          this.append("rect")
            .attr("class", function(d) { return d.children ? "parent" : "child"; })
            .attr("width", chart.root.dy * kx)
            .attr("height", function(d) { return d.dx * ky; }); 

          this.append("text")
            .attr("transform", function(d) { return chart.d3.transform(d, ky); })
            .attr("dy", ".35em")
            .style("opacity", function(d) { return d.dx * ky > 12 ? 1 : 0; })
            .text(function(d) { return d[chart._name]; });

          this.on("click", function(event) {
            var that = this;

            setTimeout(function() {
              var dblclick = parseInt(that.getAttribute("data-double"), 10);
              if (dblclick > 0) {
                that.setAttribute("data-double", dblclick-1);
              } else {
                chart.trigger("singleClick", event);
              }
            }, 300);
            d3.event.stopPropagation();

          }).on("dblclick", function(event) {
            this.setAttribute("data-double", 2);
            chart.trigger("doubleClick", event);
            d3.event.stopPropagation();
          });
        }
      }
    });
  },



  transform: function(root) {
    var chart = this;
    chart.root = root;

    return chart.d3.layout
      .value(function(d) { return d[chart._value]; })
      .nodes(root);
  },


  collapsible: function() {
    var chart = this;

    var node,
        x = d3.scale.linear(),
        y = d3.scale.linear().range([0, chart._height]);

    chart.layers.base.on("merge", function() {
      node = chart.root;
      chart.on("singleClick", function(d) { collapse(node == d ? chart.root : d); });
    });

    chart.base.on("click", function() { collapse(chart.root); });


    function collapse(d) {
      var kx = (d.y ? chart._width - 40 : chart._width) / (1 - d.y),
          ky = chart._height / d.dx;

      x.domain([d.y, 1]).range([d.y ? 40 : 0, chart._width]);
      y.domain([d.x, d.x + d.dx]);

      var t = chart.layers.base.transition()
        .duration(chart._duration);

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

      t.selectAll("rect")
        .attr("width", d.dy * kx)
        .attr("height", function(d) { return d.dx * ky; });

      t.selectAll("text")
        .attr("transform", function(d) { return chart.d3.transform(d, ky); })
        .style("opacity", function(d) { return d.dx * ky > 12 ? 1 : 0; });

      node = d;
    }
  
    return this;
  },

});



d3.chart("cluster-tree.cartesian").extend("tree.cartesian", {

  initialize : function() {
    this.d3.layout = d3.layout.tree();
  },
});


d3.chart("cluster-tree.radial").extend("tree.radial", {

  initialize : function() {
    this.d3.layout = d3.layout.tree();
  }
});


d3.chart("hierarchy").extend("treemap", {
 
  initialize : function() {

    var chart = this;

    chart.d3.layout = d3.layout.treemap();

    chart._width  = chart.base.attr("width");
    chart._height = chart.base.attr("height");

    var color = d3.scale.category20c();

    chart.layer("base", chart.layers.base, {

      dataBind: function(data) {
        return this.selectAll(".cell")
          .data(data);
      },

      insert: function() {
        return this.append("g")
          .classed("cell", true)
          .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
      },

      events: {
        enter: function() {

          this.append("rect")
            .attr("width", function(d) { return d.dx; })
            .attr("height", function(d) { return d.dy; })
            .attr("fill", function(d) { return d.parent ? color(d.parent[chart._name]) : null; });

          this.append("text")
            .attr("x", function(d) { return d.dx / 2; })
            .attr("y", function(d) { return d.dy / 2; })
            .attr("dy", ".35em")
            .attr("text-anchor", "middle")
            .text(function(d) { return d.children ? null : d[chart._name]; }) // order is matter! getComputedTextLength
            .style("opacity", function(d) { d.w = this.getComputedTextLength(); return d.dx > d.w ? 1 : 0; });

          this.on("click", function(event) {
            var that = this;

            setTimeout(function() {
              var dblclick = parseInt(that.getAttribute("data-double"), 10);
              if (dblclick > 0) {
                that.setAttribute("data-double", dblclick-1);
              } else {
                chart.trigger("singleClick", event);
              }
            }, 300);
            d3.event.stopPropagation();

          }).on("dblclick", function(event) {
            this.setAttribute("data-double", 2);
            chart.trigger("doubleClick", event);
            d3.event.stopPropagation();
          });
        },
      }
    });
  },


  transform: function(root) {
    var chart  = this;
    chart.root = root;

    return chart.d3.layout
      .round(false)
      .size([chart._width, chart._height])
      .sticky(true)
      .value(function(d) { return d[chart._value]; })
      .nodes(root);
  },


  collapsible: function() {
    var chart = this;

    var node,
        x = d3.scale.linear().range([0, chart._width]),
        y = d3.scale.linear().range([0, chart._height]);

    chart.layers.base.on("merge", function() {
      node = chart.root;
      chart.on("singleClick", function(d) { collapse(node == d.parent ? chart.root : d.parent); });
    });

    chart.base.on("click", function() { collapse(chart.root); });


    function collapse(d) {
      var kx = chart._width  / d.dx,
          ky = chart._height / d.dy;

      x.domain([d.x, d.x + d.dx]);
      y.domain([d.y, d.y + d.dy]);

      var t = chart.layers.base.transition()
        .duration(chart._duration);

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

      t.selectAll("rect")
        .attr("width", function(d) { return kx * d.dx; })
        .attr("height", function(d) { return ky * d.dy; });

      t.selectAll("text")
        .attr("x", function(d) { return kx * d.dx / 2; })
        .attr("y", function(d) { return ky * d.dy / 2; })
        .style("opacity", function(d) { return kx * d.dx > d.w ? 1 : 0; });

      node = d;
    }

    return this;
  },

});

d3.chart.min.js

/*! d3.chart - v0.2.1
 *  License: MIT Expat
 *  Date: 2014-06-24
 */
(function(t){"use strict";function e(t){var e,r,n,i;if(!t)return t;for(r=arguments.length,e=1;r>e;e++)if(n=arguments[e])for(i in n)t[i]=n[i];return t}var r=t.d3,n=Object.hasOwnProperty,i=function(t,e){if(!t)throw Error("[d3.chart] "+e)};i(r,"d3.js is required"),i("string"==typeof r.version&&r.version.match(/^3/),"d3.js version 3 is required");var a=/^(enter|update|merge|exit)(:transition)?$/,s=function(t){i(t,"Layers must be initialized with a base."),this._base=t,this._handlers={}};s.prototype.dataBind=function(){i(!1,"Layers must specify a `dataBind` method.")},s.prototype.insert=function(){i(!1,"Layers must specify an `insert` method.")},s.prototype.on=function(t,e,r){return r=r||{},i(a.test(t),"Unrecognized lifecycle event name specified to `Layer#on`: '"+t+"'."),t in this._handlers||(this._handlers[t]=[]),this._handlers[t].push({callback:e,chart:r.chart||null}),this._base},s.prototype.off=function(t,e){var r,n=this._handlers[t];if(i(a.test(t),"Unrecognized lifecycle event name specified to `Layer#off`: '"+t+"'."),!n)return this._base;if(1===arguments.length)return n.length=0,this._base;for(r=n.length-1;r>-1;--r)n[r].callback===e&&n.splice(r,1);return this._base},s.prototype.draw=function(t){var e,n,a,s,o,h,c,l;e=this.dataBind.call(this._base,t),i(e&&e.call===r.selection.prototype.call,"Invalid selection defined by `Layer#dataBind` method."),i(e.enter,"Layer selection not properly bound."),n=e.enter(),n._chart=this._base._chart,a=[{name:"update",selection:e},{name:"enter",selection:this.insert.bind(n)},{name:"merge",selection:e},{name:"exit",selection:e.exit.bind(e)}];for(var u=0,p=a.length;p>u;++u)if(h=a[u].name,s=a[u].selection,"function"==typeof s&&(s=s()),!s.empty()){if(i(s&&s.call===r.selection.prototype.call,"Invalid selection defined for '"+h+"' lifecycle event."),o=this._handlers[h])for(c=0,l=o.length;l>c;++c)s._chart=o[c].chart||this._base._chart,s.call(o[c].callback);if(o=this._handlers[h+":transition"],o&&o.length)for(s=s.transition(),c=0,l=o.length;l>c;++c)s._chart=o[c].chart||this._base._chart,s.call(o[c].callback)}},r.selection.prototype.layer=function(t){var e,r=new s(this);if(r.dataBind=t.dataBind,r.insert=t.insert,"events"in t)for(e in t.events)r.on(e,t.events[e]);return this.on=function(){return r.on.apply(r,arguments)},this.off=function(){return r.off.apply(r,arguments)},this.draw=function(){return r.draw.apply(r,arguments)},this};var o=function(t,e){var r=this.constructor,i=r.__super__;i&&o.call(i,t,e),n.call(r.prototype,"initialize")&&this.initialize.apply(t,e)},h=function(t,e){var r=this.constructor,i=r.__super__;return this===t&&n.call(this,"transform")&&(e=this.transform(e)),n.call(r.prototype,"transform")&&(e=r.prototype.transform.call(t,e)),i&&(e=h.call(i,t,e)),e},c=function(t,e){this.base=t,this._layers={},this._attached={},this._events={},e&&e.transform&&(this.transform=e.transform),o.call(this,this,[e])};c.prototype.initialize=function(){},c.prototype.unlayer=function(t){var e=this.layer(t);return delete this._layers[t],delete e._chart,e},c.prototype.layer=function(t,e,r){var n;if(1===arguments.length)return this._layers[t];if(2===arguments.length){if("function"==typeof e.draw)return e._chart=this,this._layers[t]=e,this._layers[t];i(!1,"When reattaching a layer, the second argument must be a d3.chart layer")}return n=e.layer(r),this._layers[t]=n,e._chart=this,n},c.prototype.attach=function(t,e){return 1===arguments.length?this._attached[t]:(this._attached[t]=e,e)},c.prototype.draw=function(t){var e,r,n;t=h.call(this,this,t);for(e in this._layers)this._layers[e].draw(t);for(r in this._attached)n=this.demux?this.demux(r,t):t,this._attached[r].draw(n)},c.prototype.on=function(t,e,r){var n=this._events[t]||(this._events[t]=[]);return n.push({callback:e,context:r||this,_chart:this}),this},c.prototype.once=function(t,e,r){var n=this,i=function(){n.off(t,i),e.apply(this,arguments)};return this.on(t,i,r)},c.prototype.off=function(t,e,r){var n,i,a,s,o,h;if(0===arguments.length){for(t in this._events)this._events[t].length=0;return this}if(1===arguments.length)return a=this._events[t],a&&(a.length=0),this;for(n=t?[t]:Object.keys(this._events),o=0;n.length>o;o++)for(i=n[o],a=this._events[i],h=a.length;h--;)s=a[h],(e&&e===s.callback||r&&r===s.context)&&a.splice(h,1);return this},c.prototype.trigger=function(t){var e,r,n=Array.prototype.slice.call(arguments,1),i=this._events[t];if(void 0!==i)for(e=0;i.length>e;e++)r=i[e],r.callback.apply(r.context,n);return this},c.extend=function(t,r,i){var a,s=this;a=r&&n.call(r,"constructor")?r.constructor:function(){return s.apply(this,arguments)},e(a,s,i);var o=function(){this.constructor=a};return o.prototype=s.prototype,a.prototype=new o,r&&e(a.prototype,r),a.__super__=s.prototype,c[t]=a,a},r.chart=function(t){return 0===arguments.length?c:1===arguments.length?c[t]:c.extend.apply(c,arguments)},r.selection.prototype.chart=function(t,e){if(0===arguments.length)return this._chart;var r=c[t];return i(r,"No chart registered with name '"+t+"'"),new r(this,e)},r.selection.enter.prototype.chart=function(){return this._chart},r.transition.prototype.chart=r.selection.enter.prototype.chart})(this);
//@ sourceMappingURL=d3.chart.min.map

hierNetwork.js

HTMLWidgets.widget({

  name: "hierNetwork",
  type: "output",

  initialize: function(el, width, height) {

    var diameter = Math.min(parseInt(width),parseInt(height));
    svg = d3.select(el).append("svg")
      .attr("width", width)
      .attr("height", height)
      .append("g")
      .attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")"
                         + " scale("+diameter/800+","+diameter/800+")");
    return {};

  },

  resize: function(el, width, height, tree) {
    /*
    var diameter = Math.min(parseInt(width),parseInt(height));
    var s = d3.select(el).selectAll("svg");
    s.attr("width", width).attr("height", height);
    tree.size([360, diameter/2 - parseInt(s.attr("margin"))]);
    var svg = d3.select(el).selectAll("svg").select("g");
    svg.attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")"
                         + " scale("+diameter/800+","+diameter/800+")");
   */

  },

  renderValue: function(el, x, tree) {
    // x is a list with two elements, options and root; root must already be a
    // JSON array with the d3Tree root data
    
    // add type of chart without period as class for styling
    d3.select(el).classed(x.options.type.replace(/\./g, ""),true);
    
    var svg = d3.select(el).selectAll("svg");
    tree.chart = svg.chart( x.options.type )
            .value( x.options.value )
            //.margin({ top: 0, right: 180, bottom: 0, left: 40 })
            //.radius(radius)
    if( typeof x.options.zoomable !== "undefined" && x.options.zoomable && tree.chart.zoomable )
        tree.chart.zoomable([0.1, 5]);
        
    if( typeof x.options.collapsible !== "undefined" && x.options.collapsible && tree.chart.collapsible )
        tree.chart.collapsible()
        
            //.duration(200);
    
    tree.chart.draw( JSON.parse( x.root ) );

  },
});

hierStyles.css

.hierNetwork   .node,.cell {
  cursor: pointer;
}
.hierNetwork   .node circle {
  /*fill: #fff;
  stroke: steelblue;*/
  stroke-width: 1.5px;
}
.hierNetwork   .node text {
  font-size: 11px;
}
.hierNetwork   path.link {
  fill: none;
  /*stroke: #ccc;
  stroke-width: 1.5px;*/
}
.hierNetwork   text {
  pointer-events: none;
}
.hierNetwork   .parent text {
  fill: #1f77b4;
}
.hierNetwork   circle {
  fill: #ccc;
  stroke: #999;
}
.hierNetwork   .parent circle {
  fill: #1f77b4;
  fill-opacity: 0.1;
  stroke: steelblue; 
}
.hierNetwork   .parent:hover circle {
  stroke: #ff7f0e;
  stroke-width: 0.5px;
}
.hierNetwork.partitionrectangle rect {
  stroke: #eee;
  fill: #aaa;
  fill-opacity: .8;
}
.hierNetwork.partitionrectangle rect.parent {
  cursor: pointer;
  fill: steelblue;
}
.hierNetwork.partitionarc  path {
  cursor: pointer; 
  stroke: #fff;
  fill-rule: evenodd;
}

htmlwidgets.js

(function() {
  // If window.HTMLWidgets is already defined, then use it; otherwise create a
  // new object. This allows preceding code to set options that affect the
  // initialization process (though none currently exist).
  window.HTMLWidgets = window.HTMLWidgets || {};

  // See if we're running in a viewer pane. If not, we're in a web browser.
  var viewerMode = window.HTMLWidgets.viewerMode =
      /\bviewer_pane=1\b/.test(window.location);

  // See if we're running in Shiny mode. If not, it's a static document.
  // Note that static widgets can appear in both Shiny and static modes, but
  // obviously, Shiny widgets can only appear in Shiny apps/documents.
  var shinyMode = window.HTMLWidgets.shinyMode =
      typeof(window.Shiny) !== "undefined" && !!window.Shiny.outputBindings;

  // We can't count on jQuery being available, so we implement our own
  // version if necessary.
  function querySelectorAll(scope, selector) {
    if (typeof(jQuery) !== "undefined" && scope instanceof jQuery) {
      return scope.find(selector);
    }
    if (scope.querySelectorAll) {
      return scope.querySelectorAll(selector);
    }
  }

  function asArray(value) {
    if (value === null)
      return [];
    if ($.isArray(value))
      return value;
    return [value];
  }

  // Implement jQuery's extend
  function extend(target /*, ... */) {
    if (arguments.length == 1) {
      return target;
    }
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];
      for (var prop in source) {
        if (source.hasOwnProperty(prop)) {
          target[prop] = source[prop];
        }
      }
    }
    return target;
  }

  // Replaces the specified method with the return value of funcSource.
  //
  // Note that funcSource should not BE the new method, it should be a function
  // that RETURNS the new method. funcSource receives a single argument that is
  // the overridden method, it can be called from the new method. The overridden
  // method can be called like a regular function, it has the target permanently
  // bound to it so "this" will work correctly.
  function overrideMethod(target, methodName, funcSource) {
    var superFunc = target[methodName] || function() {};
    var superFuncBound = function() {
      return superFunc.apply(target, arguments);
    };
    target[methodName] = funcSource(superFuncBound);
  }

  // Implement a vague facsimilie of jQuery's data method
  function elementData(el, name, value) {
    if (arguments.length == 2) {
      return el["htmlwidget_data_" + name];
    } else if (arguments.length == 3) {
      el["htmlwidget_data_" + name] = value;
      return el;
    } else {
      throw new Error("Wrong number of arguments for elementData: " +
        arguments.length);
    }
  }

  // http://stackoverflow.com/questions/3446170/escape-string-for-use-in-javascript-regex
  function escapeRegExp(str) {
    return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
  }

  function hasClass(el, className) {
    var re = new RegExp("\\b" + escapeRegExp(className) + "\\b");
    return re.test(el.className);
  }

  // elements - array (or array-like object) of HTML elements
  // className - class name to test for
  // include - if true, only return elements with given className;
  //   if false, only return elements *without* given className
  function filterByClass(elements, className, include) {
    var results = [];
    for (var i = 0; i < elements.length; i++) {
      if (hasClass(elements[i], className) == include)
        results.push(elements[i]);
    }
    return results;
  }

  function on(obj, eventName, func) {
    if (obj.addEventListener) {
      obj.addEventListener(eventName, func, false);
    } else if (obj.attachEvent) {
      obj.attachEvent(eventName, func);
    }
  }

  function off(obj, eventName, func) {
    if (obj.removeEventListener)
      obj.removeEventListener(eventName, func, false);
    else if (obj.detachEvent) {
      obj.detachEvent(eventName, func);
    }
  }

  // Translate array of values to top/right/bottom/left, as usual with
  // the "padding" CSS property
  // https://developer.mozilla.org/en-US/docs/Web/CSS/padding
  function unpackPadding(value) {
    if (typeof(value) === "number")
      value = [value];
    if (value.length === 1) {
      return {top: value[0], right: value[0], bottom: value[0], left: value[0]};
    }
    if (value.length === 2) {
      return {top: value[0], right: value[1], bottom: value[0], left: value[1]};
    }
    if (value.length === 3) {
      return {top: value[0], right: value[1], bottom: value[2], left: value[1]};
    }
    if (value.length === 4) {
      return {top: value[0], right: value[1], bottom: value[2], left: value[3]};
    }
  }

  // Convert an unpacked padding object to a CSS value
  function paddingToCss(paddingObj) {
    return paddingObj.top + "px " + paddingObj.right + "px " + paddingObj.bottom + "px " + paddingObj.left + "px";
  }

  // Makes a number suitable for CSS
  function px(x) {
    if (typeof(x) === "number")
      return x + "px";
    else
      return x;
  }

  // Retrieves runtime widget sizing information for an element.
  // The return value is either null, or an object with fill, padding,
  // defaultWidth, defaultHeight fields.
  function sizingPolicy(el) {
    var sizingEl = document.querySelector("script[data-for='" + el.id + "'][type='application/htmlwidget-sizing']");
    if (!sizingEl)
      return null;
    var sp = JSON.parse(sizingEl.textContent || sizingEl.text || "{}");
    if (viewerMode) {
      return sp.viewer;
    } else {
      return sp.browser;
    }
  }

  function initSizing(el) {
    var sizing = sizingPolicy(el);
    if (!sizing)
      return;

    var cel = document.getElementById("htmlwidget_container");
    if (!cel)
      return;

    if (typeof(sizing.padding) !== "undefined") {
      document.body.style.margin = "0";
      document.body.style.padding = paddingToCss(unpackPadding(sizing.padding));
    }

    if (sizing.fill) {
      document.body.style.overflow = "hidden";
      document.body.style.width = "100%";
      document.body.style.height = "100%";
      document.documentElement.style.width = "100%";
      document.documentElement.style.height = "100%";
      if (cel) {
        cel.style.position = "absolute";
        var pad = unpackPadding(sizing.padding);
        cel.style.top = pad.top + "px";
        cel.style.right = pad.right + "px";
        cel.style.bottom = pad.bottom + "px";
        cel.style.left = pad.left + "px";
        el.style.width = "100%";
        el.style.height = "100%";
      }

      return {
        getWidth: function() { return cel.offsetWidth; },
        getHeight: function() { return cel.offsetHeight; }
      };

    } else {
      el.style.width = px(sizing.width);
      el.style.height = px(sizing.height);

      return {
        getWidth: function() { return el.offsetWidth; },
        getHeight: function() { return el.offsetHeight; }
      };
    }
  }

  // Default implementations for methods
  var defaults = {
    find: function(scope) {
      return querySelectorAll(scope, "." + this.name);
    },
    renderError: function(el, err) {
      var $el = $(el);

      this.clearError(el);

      // Add all these error classes, as Shiny does
      var errClass = "shiny-output-error";
      if (err.type !== null) {
        // use the classes of the error condition as CSS class names
        errClass = errClass + " " + $.map(asArray(err.type), function(type) {
          return errClass + "-" + type;
        }).join(" ");
      }
      errClass = errClass + " htmlwidgets-error";

      // Is el inline or block? If inline or inline-block, just display:none it
      // and add an inline error.
      var display = $el.css("display");
      $el.data("restore-display-mode", display);

      if (display === "inline" || display === "inline-block") {
        $el.hide();
        if (err.message !== "") {
          var errorSpan = $("<span>").addClass(errClass);
          errorSpan.text(err.message);
          $el.after(errorSpan);
        }
      } else if (display === "block") {
        // If block, add an error just after the el, set visibility:none on the
        // el, and position the error to be on top of the el.
        // Mark it with a unique ID and CSS class so we can remove it later.
        $el.css("visibility", "hidden");
        if (err.message !== "") {
          var errorDiv = $("<div>").addClass(errClass).css("position", "absolute")
            .css("top", el.offsetTop)
            .css("left", el.offsetLeft)
            // setting width can push out the page size, forcing otherwise
            // unnecessary scrollbars to appear and making it impossible for
            // the element to shrink; so use max-width instead
            .css("maxWidth", el.offsetWidth)
            .css("height", el.offsetHeight);
          errorDiv.text(err.message);
          $el.after(errorDiv);

          // Really dumb way to keep the size/position of the error in sync with
          // the parent element as the window is resized or whatever.
          var intId = setInterval(function() {
            if (!errorDiv[0].parentElement) {
              clearInterval(intId);
              return;
            }
            errorDiv
              .css("top", el.offsetTop)
              .css("left", el.offsetLeft)
              .css("maxWidth", el.offsetWidth)
              .css("height", el.offsetHeight);
          }, 500);
        }
      }
    },
    clearError: function(el) {
      var $el = $(el);
      var display = $el.data("restore-display-mode");
      $el.data("restore-display-mode", null);

      if (display === "inline" || display === "inline-block") {
        if (display)
          $el.css("display", display);
        $(el.nextSibling).filter(".htmlwidgets-error").remove();
      } else if (display === "block"){
        $el.css("visibility", "inherit");
        $(el.nextSibling).filter(".htmlwidgets-error").remove();
      }
    },
    sizing: {}
  };

  // Called by widget bindings to register a new type of widget. The definition
  // object can contain the following properties:
  // - name (required) - A string indicating the binding name, which will be
  //   used by default as the CSS classname to look for.
  // - initialize (optional) - A function(el) that will be called once per
  //   widget element; if a value is returned, it will be passed as the third
  //   value to renderValue.
  // - renderValue (required) - A function(el, data, initValue) that will be
  //   called with data. Static contexts will cause this to be called once per
  //   element; Shiny apps will cause this to be called multiple times per
  //   element, as the data changes.
  window.HTMLWidgets.widget = function(definition) {
    if (!definition.name) {
      throw new Error("Widget must have a name");
    }
    if (!definition.type) {
      throw new Error("Widget must have a type");
    }
    // Currently we only support output widgets
    if (definition.type !== "output") {
      throw new Error("Unrecognized widget type '" + definition.type + "'");
    }
    // TODO: Verify that .name is a valid CSS classname
    if (!definition.renderValue) {
      throw new Error("Widget must have a renderValue function");
    }

    // For static rendering (non-Shiny), use a simple widget registration
    // scheme. We also use this scheme for Shiny apps/documents that also
    // contain static widgets.
    window.HTMLWidgets.widgets = window.HTMLWidgets.widgets || [];
    // Merge defaults into the definition; don't mutate the original definition.
    var staticBinding = extend({}, defaults, definition);
    overrideMethod(staticBinding, "find", function(superfunc) {
      return function(scope) {
        var results = superfunc(scope);
        // Filter out Shiny outputs, we only want the static kind
        return filterByClass(results, "html-widget-output", false);
      };
    });
    window.HTMLWidgets.widgets.push(staticBinding);

    if (shinyMode) {
      // Shiny is running. Register the definition as an output binding.

      // Merge defaults into the definition; don't mutate the original definition.
      // The base object is a Shiny output binding if we're running in Shiny mode,
      // or an empty object if we're not.
      var shinyBinding = extend(new Shiny.OutputBinding(), defaults, definition);

      // Wrap renderValue to handle initialization, which unfortunately isn't
      // supported natively by Shiny at the time of this writing.

      // NB: shinyBinding.initialize may be undefined, as it's optional.

      // Rename initialize to make sure it isn't called by a future version
      // of Shiny that does support initialize directly.
      shinyBinding._htmlwidgets_initialize = shinyBinding.initialize;
      delete shinyBinding.initialize;

      overrideMethod(shinyBinding, "find", function(superfunc) {
        return function(scope) {

          var results = superfunc(scope);

          // Only return elements that are Shiny outputs, not static ones
          var dynamicResults = results.filter(".html-widget-output");

          // It's possible that whatever caused Shiny to think there might be
          // new dynamic outputs, also caused there to be new static outputs.
          // Since there might be lots of different htmlwidgets bindings, we
          // schedule execution for later--no need to staticRender multiple
          // times.
          if (results.length !== dynamicResults.length)
            scheduleStaticRender();

          return dynamicResults;
        };
      });

      overrideMethod(shinyBinding, "renderValue", function(superfunc) {
        return function(el, data) {
          // Resolve strings marked as javascript literals to objects
          for (var i = 0; data.evals && i < data.evals.length; i++) {
            window.HTMLWidgets.evaluateStringMember(data.x, data.evals[i]);
          }
          if (!this.renderOnNullValue) {
            if (data.x === null) {
              el.style.visibility = "hidden";
              return;
            } else {
              el.style.visibility = "inherit";
            }
          }
          if (!elementData(el, "initialized")) {
            initSizing(el);

            elementData(el, "initialized", true);
            if (this._htmlwidgets_initialize) {
              var result = this._htmlwidgets_initialize(el, el.offsetWidth,
                el.offsetHeight);
              elementData(el, "init_result", result);
            }
          }
          Shiny.renderDependencies(data.deps);
          superfunc(el, data.x, elementData(el, "init_result"));
        };
      });

      overrideMethod(shinyBinding, "resize", function(superfunc) {
        return function(el, width, height) {
          // Shiny can call resize before initialize/renderValue have been
          // called, which doesn't make sense for widgets.
          if (elementData(el, "initialized")) {
            superfunc(el, width, height, elementData(el, "init_result"));
          }
        };
      });

      Shiny.outputBindings.register(shinyBinding, shinyBinding.name);
    }
  };

  var scheduleStaticRenderTimerId = null;
  function scheduleStaticRender() {
    if (!scheduleStaticRenderTimerId) {
      scheduleStaticRenderTimerId = setTimeout(function() {
        scheduleStaticRenderTimerId = null;
        staticRender();
      }, 1);
    }
  }

  // Render static widgets after the document finishes loading
  // Statically render all elements that are of this widget's class
  function staticRender() {
    var bindings = window.HTMLWidgets.widgets || [];
    for (var i = 0; i < bindings.length; i++) {
      var binding = bindings[i];
      var matches = binding.find(document.documentElement);
      for (var j = 0; j < matches.length; j++) {
        var el = matches[j];
        var sizeObj = initSizing(el, binding);

        if (hasClass(el, "html-widget-static-bound"))
          continue;
        el.className = el.className + " html-widget-static-bound";

        var initResult;
        if (binding.initialize) {
          initResult = binding.initialize(el,
            sizeObj ? sizeObj.getWidth() : el.offsetWidth,
            sizeObj ? sizeObj.getHeight() : el.offsetHeight
          );
        }

        if (binding.resize) {
          var lastSize = {};
          on(window, "resize", function(e) {
            var size = {
              w: sizeObj ? sizeObj.getWidth() : el.offsetWidth,
              h: sizeObj ? sizeObj.getHeight() : el.offsetHeight
            };
            if (size.w === 0 && size.h === 0)
              return;
            if (size.w === lastSize.w && size.h === lastSize.h)
              return;
            lastSize = size;
            binding.resize(el, size.w, size.h, initResult);
          });
        }

        var scriptData = document.querySelector("script[data-for='" + el.id + "'][type='application/json']");
        if (scriptData) {
          var data = JSON.parse(scriptData.textContent || scriptData.text);
          // Resolve strings marked as javascript literals to objects
          for (var i = 0; data.evals && i < data.evals.length; i++) {
            window.HTMLWidgets.evaluateStringMember(data.x, data.evals[i]);
          }
          binding.renderValue(el, data.x, initResult);
        }
      }
    }
  }

  // Wait until after the document has loaded to render the widgets.
  if (document.addEventListener) {
    document.addEventListener("DOMContentLoaded", function() {
      document.removeEventListener("DOMContentLoaded", arguments.callee, false);
      staticRender();
    }, false);
  } else if (document.attachEvent) {
    document.attachEvent("onreadystatechange", function() {
      if (document.readyState === "complete") {
        document.detachEvent("onreadystatechange", arguments.callee);
        staticRender();
      }
    });
  }


  window.HTMLWidgets.getAttachmentUrl = function(depname, key) {
    // If no key, default to the first item
    if (typeof(key) === "undefined")
      key = 1;

    var link = document.getElementById(depname + "-" + key + "-attachment");
    if (!link) {
      throw new Error("Attachment " + depname + "/" + key + " not found in document");
    }
    return link.getAttribute("href");
  };

  window.HTMLWidgets.dataframeToD3 = function(df) {
    var names = [];
    var length;
    for (var name in df) {
        if (df.hasOwnProperty(name))
            names.push(name);
        if (typeof(df[name]) !== "object" || typeof(df[name].length) === "undefined") {
            throw new Error("All fields must be arrays");
        } else if (typeof(length) !== "undefined" && length !== df[name].length) {
            throw new Error("All fields must be arrays of the same length");
        }
        length = df[name].length;
    }
    var results = [];
    var item;
    for (var row = 0; row < length; row++) {
        item = {};
        for (var col = 0; col < names.length; col++) {
            item[names[col]] = df[names[col]][row];
        }
        results.push(item);
    }
    return results;
  };

  window.HTMLWidgets.transposeArray2D = function(array) {
      var newArray = array[0].map(function(col, i) {
          return array.map(function(row) {
              return row[i]
          })
      });
      return newArray;
  };
  // Split value at splitChar, but allow splitChar to be escaped
  // using escapeChar. Any other characters escaped by escapeChar
  // will be included as usual (including escapeChar itself).
  function splitWithEscape(value, splitChar, escapeChar) {
    var results = [];
    var escapeMode = false;
    var currentResult = "";
    for (var pos = 0; pos < value.length; pos++) {
      if (!escapeMode) {
        if (value[pos] === splitChar) {
          results.push(currentResult);
          currentResult = "";
        } else if (value[pos] === escapeChar) {
          escapeMode = true;
        } else {
          currentResult += value[pos];
        }
      } else {
        currentResult += value[pos];
        escapeMode = false;
      }
    }
    if (currentResult !== "") {
      results.push(currentResult);
    }
    return results;
  }
  // Function authored by Yihui/JJ Allaire
  window.HTMLWidgets.evaluateStringMember = function(o, member) {
    var parts = splitWithEscape(member, '.', '\\');
    for (var i = 0, l = parts.length; i < l; i++) {
      var part = parts[i];
      // part may be a character or 'numeric' member name
      if (o !== null && typeof o === "object" && part in o) {
        if (i == (l - 1)) { // if we are at the end of the line then evalulate
          if (typeof o[part] === "string")
            o[part] = eval("(" + o[part] + ")");
        } else { // otherwise continue to next embedded object
          o = o[part];
        }
      }
    }
  };
})();

index.html

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<script src="htmlwidgets.js"></script>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="d3.chart.min.js"></script>
<link href="hierStyles.css" rel="stylesheet" />
<script src="d3.chart.layout.hierarchy.js"></script>
<script src="hierNetwork.js"></script>

</head>
<body style="background-color:white;">
<div id="htmlwidget-8073" style="width:960px;height:500px;" class="hierNetwork"></div>
<script type="application/json" data-for="htmlwidget-8073">{ "x": {
 "root": "{\"name\":\"hc\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Florida\",\"children\":{\"name\":\"Florida\"}},{\"name\":\"North Carolina\",\"children\":{\"name\":\"North Carolina\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"California\",\"children\":{\"name\":\"California\"}},{\"name\":\"\",\"children\":[{\"name\":\"Maryland\",\"children\":{\"name\":\"Maryland\"}},{\"name\":\"\",\"children\":[{\"name\":\"Arizona\",\"children\":{\"name\":\"Arizona\"}},{\"name\":\"New Mexico\",\"children\":{\"name\":\"New Mexico\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Delaware\",\"children\":{\"name\":\"Delaware\"}},{\"name\":\"\",\"children\":[{\"name\":\"Alabama\",\"children\":{\"name\":\"Alabama\"}},{\"name\":\"Louisiana\",\"children\":{\"name\":\"Louisiana\"}}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Illinois\",\"children\":{\"name\":\"Illinois\"}},{\"name\":\"New York\",\"children\":{\"name\":\"New York\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"Michigan\",\"children\":{\"name\":\"Michigan\"}},{\"name\":\"Nevada\",\"children\":{\"name\":\"Nevada\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Alaska\",\"children\":{\"name\":\"Alaska\"}},{\"name\":\"\",\"children\":[{\"name\":\"Mississippi\",\"children\":{\"name\":\"Mississippi\"}},{\"name\":\"South Carolina\",\"children\":{\"name\":\"South Carolina\"}}]}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Washington\",\"children\":{\"name\":\"Washington\"}},{\"name\":\"\",\"children\":[{\"name\":\"Oregon\",\"children\":{\"name\":\"Oregon\"}},{\"name\":\"\",\"children\":[{\"name\":\"Wyoming\",\"children\":{\"name\":\"Wyoming\"}},{\"name\":\"\",\"children\":[{\"name\":\"Oklahoma\",\"children\":{\"name\":\"Oklahoma\"}},{\"name\":\"Virginia\",\"children\":{\"name\":\"Virginia\"}}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Rhode Island\",\"children\":{\"name\":\"Rhode Island\"}},{\"name\":\"\",\"children\":[{\"name\":\"Massachusetts\",\"children\":{\"name\":\"Massachusetts\"}},{\"name\":\"New Jersey\",\"children\":{\"name\":\"New Jersey\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Missouri\",\"children\":{\"name\":\"Missouri\"}},{\"name\":\"\",\"children\":[{\"name\":\"Arkansas\",\"children\":{\"name\":\"Arkansas\"}},{\"name\":\"Tennessee\",\"children\":{\"name\":\"Tennessee\"}}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Georgia\",\"children\":{\"name\":\"Georgia\"}},{\"name\":\"\",\"children\":[{\"name\":\"Colorado\",\"children\":{\"name\":\"Colorado\"}},{\"name\":\"Texas\",\"children\":{\"name\":\"Texas\"}}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Idaho\",\"children\":{\"name\":\"Idaho\"}},{\"name\":\"\",\"children\":[{\"name\":\"Nebraska\",\"children\":{\"name\":\"Nebraska\"}},{\"name\":\"\",\"children\":[{\"name\":\"Kentucky\",\"children\":{\"name\":\"Kentucky\"}},{\"name\":\"Montana\",\"children\":{\"name\":\"Montana\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Ohio\",\"children\":{\"name\":\"Ohio\"}},{\"name\":\"Utah\",\"children\":{\"name\":\"Utah\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Indiana\",\"children\":{\"name\":\"Indiana\"}},{\"name\":\"Kansas\",\"children\":{\"name\":\"Kansas\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"Connecticut\",\"children\":{\"name\":\"Connecticut\"}},{\"name\":\"Pennsylvania\",\"children\":{\"name\":\"Pennsylvania\"}}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Hawaii\",\"children\":{\"name\":\"Hawaii\"}},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"West Virginia\",\"children\":{\"name\":\"West Virginia\"}},{\"name\":\"\",\"children\":[{\"name\":\"Maine\",\"children\":{\"name\":\"Maine\"}},{\"name\":\"South Dakota\",\"children\":{\"name\":\"South Dakota\"}}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"North Dakota\",\"children\":{\"name\":\"North Dakota\"}},{\"name\":\"Vermont\",\"children\":{\"name\":\"Vermont\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"Minnesota\",\"children\":{\"name\":\"Minnesota\"}},{\"name\":\"\",\"children\":[{\"name\":\"Wisconsin\",\"children\":{\"name\":\"Wisconsin\"}},{\"name\":\"\",\"children\":[{\"name\":\"Iowa\",\"children\":{\"name\":\"Iowa\"}},{\"name\":\"New Hampshire\",\"children\":{\"name\":\"New Hampshire\"}}]}]}]}]}]}]}]}]}]}",
"options": {
 "type": "tree.cartesian",
"value": "size",
"height": null,
"width": null,
"margin":                 0,
"zoomable": true,
"collapsible": true 
} 
},"evals": [  ] }</script>
<div id="htmlwidget-6699" style="width:960px;height:500px;" class="hierNetwork"></div>
<script type="application/json" data-for="htmlwidget-6699">{ "x": {
 "root": "{\"name\":\"hc\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Florida\",\"children\":{\"name\":\"Florida\"}},{\"name\":\"North Carolina\",\"children\":{\"name\":\"North Carolina\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"California\",\"children\":{\"name\":\"California\"}},{\"name\":\"\",\"children\":[{\"name\":\"Maryland\",\"children\":{\"name\":\"Maryland\"}},{\"name\":\"\",\"children\":[{\"name\":\"Arizona\",\"children\":{\"name\":\"Arizona\"}},{\"name\":\"New Mexico\",\"children\":{\"name\":\"New Mexico\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Delaware\",\"children\":{\"name\":\"Delaware\"}},{\"name\":\"\",\"children\":[{\"name\":\"Alabama\",\"children\":{\"name\":\"Alabama\"}},{\"name\":\"Louisiana\",\"children\":{\"name\":\"Louisiana\"}}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Illinois\",\"children\":{\"name\":\"Illinois\"}},{\"name\":\"New York\",\"children\":{\"name\":\"New York\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"Michigan\",\"children\":{\"name\":\"Michigan\"}},{\"name\":\"Nevada\",\"children\":{\"name\":\"Nevada\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Alaska\",\"children\":{\"name\":\"Alaska\"}},{\"name\":\"\",\"children\":[{\"name\":\"Mississippi\",\"children\":{\"name\":\"Mississippi\"}},{\"name\":\"South Carolina\",\"children\":{\"name\":\"South Carolina\"}}]}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Washington\",\"children\":{\"name\":\"Washington\"}},{\"name\":\"\",\"children\":[{\"name\":\"Oregon\",\"children\":{\"name\":\"Oregon\"}},{\"name\":\"\",\"children\":[{\"name\":\"Wyoming\",\"children\":{\"name\":\"Wyoming\"}},{\"name\":\"\",\"children\":[{\"name\":\"Oklahoma\",\"children\":{\"name\":\"Oklahoma\"}},{\"name\":\"Virginia\",\"children\":{\"name\":\"Virginia\"}}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Rhode Island\",\"children\":{\"name\":\"Rhode Island\"}},{\"name\":\"\",\"children\":[{\"name\":\"Massachusetts\",\"children\":{\"name\":\"Massachusetts\"}},{\"name\":\"New Jersey\",\"children\":{\"name\":\"New Jersey\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Missouri\",\"children\":{\"name\":\"Missouri\"}},{\"name\":\"\",\"children\":[{\"name\":\"Arkansas\",\"children\":{\"name\":\"Arkansas\"}},{\"name\":\"Tennessee\",\"children\":{\"name\":\"Tennessee\"}}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Georgia\",\"children\":{\"name\":\"Georgia\"}},{\"name\":\"\",\"children\":[{\"name\":\"Colorado\",\"children\":{\"name\":\"Colorado\"}},{\"name\":\"Texas\",\"children\":{\"name\":\"Texas\"}}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Idaho\",\"children\":{\"name\":\"Idaho\"}},{\"name\":\"\",\"children\":[{\"name\":\"Nebraska\",\"children\":{\"name\":\"Nebraska\"}},{\"name\":\"\",\"children\":[{\"name\":\"Kentucky\",\"children\":{\"name\":\"Kentucky\"}},{\"name\":\"Montana\",\"children\":{\"name\":\"Montana\"}}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Ohio\",\"children\":{\"name\":\"Ohio\"}},{\"name\":\"Utah\",\"children\":{\"name\":\"Utah\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"Indiana\",\"children\":{\"name\":\"Indiana\"}},{\"name\":\"Kansas\",\"children\":{\"name\":\"Kansas\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"Connecticut\",\"children\":{\"name\":\"Connecticut\"}},{\"name\":\"Pennsylvania\",\"children\":{\"name\":\"Pennsylvania\"}}]}]}]}]},{\"name\":\"\",\"children\":[{\"name\":\"Hawaii\",\"children\":{\"name\":\"Hawaii\"}},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"West Virginia\",\"children\":{\"name\":\"West Virginia\"}},{\"name\":\"\",\"children\":[{\"name\":\"Maine\",\"children\":{\"name\":\"Maine\"}},{\"name\":\"South Dakota\",\"children\":{\"name\":\"South Dakota\"}}]}]},{\"name\":\"\",\"children\":[{\"name\":\"\",\"children\":[{\"name\":\"North Dakota\",\"children\":{\"name\":\"North Dakota\"}},{\"name\":\"Vermont\",\"children\":{\"name\":\"Vermont\"}}]},{\"name\":\"\",\"children\":[{\"name\":\"Minnesota\",\"children\":{\"name\":\"Minnesota\"}},{\"name\":\"\",\"children\":[{\"name\":\"Wisconsin\",\"children\":{\"name\":\"Wisconsin\"}},{\"name\":\"\",\"children\":[{\"name\":\"Iowa\",\"children\":{\"name\":\"Iowa\"}},{\"name\":\"New Hampshire\",\"children\":{\"name\":\"New Hampshire\"}}]}]}]}]}]}]}]}]}]}",
"options": {
 "type": "tree.radial",
"value": "size",
"height": null,
"width": null,
"margin":                 0,
"zoomable": true,
"collapsible": true 
} 
},"evals": [  ] }</script>
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