// Generated by CoffeeScript 1.4.0
(function() {
  var bar_on_mouseout, bar_on_mouseover, color_scale, height, vis, width, x, y;

  window.bar_chart = {};

  bar_chart.dispatcher = d3.dispatch('focus', 'blur');

  vis = null;

  width = null;

  height = null;

  x = d3.scale.ordinal();

  y = d3.scale.linear();

  color_scale = d3.scale.category10();

  bar_chart.init = function(v, w, h) {
    vis = v;
    width = w;
    height = h;
    return y.range([0, height]);
  };

  bar_chart.update = function(data) {
    var bars;
    x.domain(d3.range(0, data.length)).rangeRoundBands([0, width], 0.015, 0);
    y.domain([0, d3.max(data)]);
    bars = vis.selectAll('.bar').data(data);
    bars.enter().append('rect').attr({
      "class": 'bar datapoint',
      fill: function(d, i) {
        return color_scale(i);
      },
      'stroke-width': 2
    }).on('mouseover', bar_on_mouseover).on('mouseout', bar_on_mouseout);
    bars.attr({
      x: function(d, i) {
        return x(i);
      },
      y: function(d) {
        return height - y(d);
      },
      width: function(d) {
        return x.rangeBand();
      },
      height: function(d) {
        return y(d);
      }
    });
    return bars.exit().remove();
  };

  bar_on_mouseover = function(d, i) {
    return bar_chart.dispatcher.focus(i);
  };

  bar_on_mouseout = function(d, i) {
    return bar_chart.dispatcher.blur(i);
  };

  bar_chart.focus = function(i) {
    return vis.select(".bar:nth-of-type(" + (i + 1) + ")").classed('focus', true);
  };

  bar_chart.blur = function(i) {
    return vis.select(".bar:nth-of-type(" + (i + 1) + ")").classed('focus', false);
  };

}).call(this);