// Generated by CoffeeScript 1.10.0
(function() {
  var arc, arcTween, color, color_opacity, duration, get_color, height, lod, partition, radius, redraw, svg, width, zoom, zoomable_layer;

  width = 960;

  height = 500;

  radius = Math.min(width, height) * 2;

  color_opacity = 0.7;

  duration = 2000;

  svg = d3.select('svg').attr({
    width: width,
    height: height,
    viewBox: (-width / 2) + " " + (-height / 2) + " " + width + " " + height
  });

  zoomable_layer = svg.append('g');

  zoom = d3.behavior.zoom().scaleExtent([0.5, 64]).on('zoom', function() {
    zoomable_layer.attr({
      transform: "translate(" + (zoom.translate()) + ")scale(" + (zoom.scale()) + ")"
    });
    zoomable_layer.selectAll('.semantic_zoom').attr({
      transform: "scale(" + (1 / zoom.scale()) + ")"
    });
    return lod(zoom.scale());
  });

  svg.call(zoom);

  lod = function(z) {
    return zoomable_layer.selectAll('.semantic_zoom').attr({
      display: function(d) {
        if (30 / z < d.dx * Math.pow(d.dy, 0.4)) {
          return 'inline';
        } else {
          return 'none';
        }
      }
    });
  };

  partition = d3.layout.partition().sort(null).size([2 * Math.PI, radius * radius]).value(function() {
    return 1;
  });

  arc = d3.svg.arc().startAngle(function(d) {
    return d.x;
  }).endAngle(function(d) {
    return d.x + d.dx;
  }).innerRadius(function(d) {
    return Math.pow(d.y, 0.4);
  }).outerRadius(function(d) {
    return Math.pow(d.y + d.dy, 0.4);
  });

  color = d3.scale.category10();

  get_color = function(node) {
    return color(node.name.split('.')[0]);
  };

  arcTween = function(a) {
    var i;
    i = d3.interpolate({
      x: a.x0,
      dx: a.dx0
    }, a);
    return function(t) {
      var b;
      b = i(t);
      a.x0 = b.x;
      a.dx0 = b.dx;
      return arc(b);
    };
  };

  redraw = function(flag) {
    return d3.json('tree.json', function(error, root) {
      var enter_labels, enter_sectors, enter_sectors_one, labels, nodes, sectors, sectors_one, value;
      tree_utils.canonical_sort(root);
      value = flag ? (function() {
        return 1;
      }) : (function(d) {
        return d.size;
      });
      nodes = partition.value(value).nodes(root);
      sectors_one = zoomable_layer.selectAll('.sector_one').data(nodes.filter(function(d) {
        return d.depth < 2;
      }));
      enter_sectors_one = sectors_one.enter().append('path').attr({
        "class": 'sector_one'
      }).each(function(d) {
        d.x0 = d.x;
        return d.dx0 = d.dx;
      });
      enter_sectors_one.append('title');
      sectors_one.attr({
        d: arc,
        fill: function(d) {
          if (d.depth > 0) {
            return get_color(d);
          } else {
            return '#fff';
          }
        }
      });

      /*.transition()
        .duration duration
        .attrTween 'd', arcTween
       */
      sectors_one.select('title').text(function(d) {
        return d.name + (d.desc != null ? "\n" + d.desc : "");
      });
      sectors_one.exit().remove();
      sectors = zoomable_layer.selectAll('.s_link').data(nodes.filter(function(d) {
        return d.depth > 1;
      }), (function(d) {
        return d.name + "_" + flag;
      }));
      enter_sectors = sectors.enter().append('a').attr({
        "class": 's_link',
        target: '_blank',
        'xlink:href': function(d) {
          return d.url;
        }
      });
      enter_sectors.append('path').attr({
        "class": 'sector'
      });
      enter_sectors.append('title');
      sectors.select('path').attr({
        d: arc,
        fill: function(d) {
          if (d.depth > 0) {
            return get_color(d);
          } else {
            return '#fff';
          }
        }
      });
      sectors.select('title').text(function(d) {
        return d.name + (d.desc != null ? "\n" + d.desc : '');
      });
      sectors.exit().remove();
      labels = zoomable_layer.selectAll('.label').data(nodes, function(d) {
        return d.name + "_" + flag;
      });
      enter_labels = labels.enter().append('g').attr({
        "class": 'label'
      });
      enter_labels.append('text').attr({
        "class": 'halo semantic_zoom'
      });
      enter_labels.append('text').attr({
        "class": 'halo_text semantic_zoom'
      });
      labels.attr({
        transform: function(d) {
          if (d.name === 'DoGi') {
            return 'translate(0,0)';
          } else {
            return "translate(" + ((Math.pow(d.y + d.dy / 2, 0.4)) * Math.cos(d.x + d.dx / 2 - Math.PI / 2)) + ", " + ((Math.pow(d.y + d.dy / 2, 0.4)) * Math.sin(d.x + d.dx / 2 - Math.PI / 2)) + ")";
          }
        }
      });
      labels.select('.halo').attr({
        dy: '0.35em'
      }).text(function(d) {
        return d.name;
      });
      labels.select('.halo_text').attr({
        dy: '0.35em'
      }).text(function(d) {
        return d.name;
      });
      d3.selectAll('input').on('change', function() {
        return redraw(this.value === 'count');
      });
      return lod(1);
    });
  };

  redraw(d3.select('input[checked]').node().value === 'count');

}).call(this);