// Peity jQuery plugin version 0.6.0
// (c) 2011 Ben Pickles
//
// http://benpickles.github.com/peity/
//
// Released under MIT license.
(function (i, k) {
  function o(a, h) {
    var b = k.createElement("canvas");
    b.setAttribute("width", a * m);
    b.setAttribute("height", h * m);
    m != 1 && b.setAttribute("style", "width:" + a + "px;height:" + h + "px");
    return b;
  }
  var g = (i.fn.peity = function (a, h) {
    k.createElement("canvas").getContext &&
      this.each(function () {
        i(this)
          .change(function () {
            var b = i.extend({}, h),
              d = this;
            i.each(b, function (a, c) {
              i.isFunction(c) && (b[a] = c.call(d));
            });
            var f = i(this).html();
            g.graphers[a].call(this, i.extend({}, g.defaults[a], b));
            i(this).trigger("chart:changed", f);
          })
          .trigger("change");
      });
    return this;
  });
  g.graphers = {};
  g.defaults = {};
  g.add = function (a, h, b) {
    g.graphers[a] = b;
    g.defaults[a] = h;
  };
  var m = window.devicePixelRatio || 1;
  g.add(
    "pie",
    { colours: ["#e9b104", "#FF9900"], delimeter: "/", diameter: 16 },
    function (a) {
      var h = i(this),
        b = h.text().split(a.delimeter),
        d = parseFloat(b[0]),
        f = parseFloat(b[1]),
        b = -Math.PI / 2,
        d = (d / f) * Math.PI * 2,
        f = o(a.diameter, a.diameter),
        e = f.getContext("2d"),
        c = f.width / 2;
      e.beginPath();
      e.moveTo(c, c);
      e.arc(c, c, c, d + b, d == 0 ? Math.PI * 2 : b, !1);
      e.fillStyle = a.colours[0];
      e.fill();
      e.beginPath();
      e.moveTo(c, c);
      e.arc(c, c, c, b, d + b, !1);
      e.fillStyle = a.colours[1];
      e.fill();
      h.wrapInner(i("<span>").hide()).append(f);
    }
  );
  g.add(
    "line",
    {
      colour: "#c6d9fd",
      strokeColour: "#4d89f9",
      strokeWidth: 1,
      delimeter: ",",
      height: 16,
      max: null,
      min: 0,
      width: 32,
    },
    function (a) {
      var h = i(this),
        b = o(a.width, a.height),
        d = h.text().split(a.delimeter);
      d.length == 1 && d.push(d[0]);
      var f = Math.max.apply(Math, d.concat([a.max])),
        e = Math.min.apply(Math, d.concat([a.min])),
        c = b.getContext("2d"),
        g = b.width,
        l = b.height,
        q = g / (d.length - 1),
        f = l / (f - e),
        n = [],
        j;
      c.beginPath();
      c.moveTo(0, l + e * f);
      for (j = 0; j < d.length; j++) {
        var k = j * q,
          p = l - f * (d[j] - e);
        n.push({ x: k, y: p });
        c.lineTo(k, p);
      }
      c.lineTo(g, l + e * f);
      c.fillStyle = a.colour;
      c.fill();
      if (a.strokeWidth) {
        c.beginPath();
        c.moveTo(0, n[0].y);
        for (j = 0; j < n.length; j++) c.lineTo(n[j].x, n[j].y);
        c.lineWidth = a.strokeWidth * m;
        c.strokeStyle = a.strokeColour;
        c.stroke();
      }
      h.wrapInner(i("<span>").hide()).append(b);
    }
  );
  g.add(
    "bar",
    {
      colour: "#4D89F9",
      delimeter: ",",
      height: 16,
      max: null,
      min: 0,
      width: 32,
    },
    function (a) {
      var h = i(this),
        b = h.text().split(a.delimeter),
        d = Math.max.apply(Math, b.concat([a.max])),
        f = Math.min.apply(Math, b.concat([a.min])),
        e = o(a.width, a.height),
        c = e.getContext("2d"),
        g = e.height,
        d = g / (d - f),
        l = m / 2,
        k = (e.width + l) / b.length;
      c.fillStyle = a.colour;
      for (a = 0; a < b.length; a++)
        c.fillRect(a * k, g - d * (b[a] - f), k - l, d * b[a]);
      h.wrapInner(i("<span>").hide()).append(e);
    }
  );
})(jQuery, document);