// Generated by CoffeeScript 1.10.0
(function() {
  var color, height, margin, rect_margin, svg, treemap, width;

  width = 960;

  height = 500;

  margin = 5;

  rect_margin = 2.5;

  color = d3.scale.category10();

  treemap = d3.layout.treemap().size([width - margin * 2, height - margin * 2]).sort(null).padding(1).ratio(1).sticky(true).value(function(d) {
    return d.size;
  });

  svg = d3.select('svg').attr('width', width).attr('height', height).append('g').attr('transform', 'translate(' + margin + ', ' + margin + ')');

  d3.json('province.json', function(error, root) {
    var enter_node, node, node_data;
    root.children.forEach(function(region) {
      region.children.sort(function(a, b) {
        return d3.ascending(+a.size, +b.size);
      });
      return region.size = d3.sum(region.children, function(d) {
        return +d.size;
      });
    });
    root.children.sort(function(a, b) {
      return d3.ascending(a.size, b.size);
    });
    root.children.forEach(function(d, i) {
      return d.i = i;
    });
    node_data = treemap.nodes(root);
    node = svg.datum(root).selectAll(".node").data(node_data.filter(function(d) {
      return d.depth === 2;
    }));
    enter_node = node.enter().append('g');
    enter_node.append('rect').attr("class", "node").attr('x', function(d) {
      return d.x;
    }).attr('y', function(d) {
      return d.y;
    }).attr('width', function(d) {
      return d.dx;
    }).attr('height', function(d) {
      return d.dy;
    }).style('fill', function(d) {
      var c;
      c = d3.hcl(color(d.parent.i));
      c.l -= 5;
      c.c -= 20;
      return c;
    }).style('stroke', '#fff').append('title').text(function(d) {
      return d.name + ': ' + d3.format(',')(d.size);
    });
    return enter_node.append('text').style('text-anchor', 'middle').attr('dy', '0.35em').attr('fill', '#fff').attr('font-size', function(d) {
      if ((d.capital != null) && d.capital) {
        return 15;
      } else {
        return 10;
      }
    }).attr('transform', function(d) {
      return 'translate(' + (d.x + d.dx / 2) + ', ' + (d.y + d.dy / 2) + ')';
    }).text(function(d) {
      return d.id;
    });
  });

}).call(this);