text: /*!jQuery Knob*/
  /**
   * Downward compatible, touchable dial
   *
   * Version: 1.2.0 (15/07/2012)
   * Requires: jQuery v1.7+
   *
   * Copyright (c) 2012 Anthony Terrien
   * Under MIT and GPL licenses:
   *  http://www.opensource.org/licenses/mit-license.php
   *  http://www.gnu.org/licenses/gpl.html
   *
   * Thanks to vor, eskimoblood, spiffistan, FabrizioC
   */
  (function($) {
  
      /**
       * Kontrol library
       */
      "use strict";
  
      /**
       * Definition of globals and core
       */
      var k = {}, // kontrol
          max = Math.max,
          min = Math.min;
  
      k.c = {};
      k.c.d = $(document);
      k.c.t = function (e) {
          return e.originalEvent.touches.length - 1;
      };
  
      /**
       * Kontrol Object
       *
       * Definition of an abstract UI control
       *
       * Each concrete component must call this one.
       * <code>
       * k.o.call(this);
       * </code>
       */
      k.o = function () {
          var s = this;
  
          this.o = null; // array of options
          this.$ = null; // jQuery wrapped element
          this.i = null; // mixed HTMLInputElement or array of HTMLInputElement
          this.g = null; // 2D graphics context for 'pre-rendering'
          this.v = null; // value ; mixed array or integer
          this.cv = null; // change value ; not commited value
          this.x = 0; // canvas x position
          this.y = 0; // canvas y position
          this.$c = null; // jQuery canvas element
          this.c = null; // rendered canvas context
          this.t = 0; // touches index
          this.isInit = false;
          this.fgColor = null; // main color
          this.pColor = null; // previous color
          this.dH = null; // draw hook
          this.cH = null; // change hook
          this.eH = null; // cancel hook
          this.rH = null; // release hook
  
          this.run = function () {
              var cf = function (e, conf) {
                  var k;
                  for (k in conf) {
                      s.o[k] = conf[k];
                  }
                  s.init();
                  s._configure()
                   ._draw();
              };
  
              if(this.$.data('kontroled')) return;
              this.$.data('kontroled', true);
  
              this.extend();
              this.o = $.extend(
                  {
                      // Config
                      min : this.$.data('min') || 0,
                      max : this.$.data('max') || 100,
                      stopper : true,
                      readOnly : this.$.data('readonly'),
  
                      // UI
                      cursor : (this.$.data('cursor') === true && 30)
                                  || this.$.data('cursor')
                                  || 0,
                      thickness : this.$.data('thickness') || 0.35,
                      lineCap : this.$.data('linecap') || 'butt',
                      width : this.$.data('width') || 200,
                      height : this.$.data('height') || 200,
                      displayInput : this.$.data('displayinput') == null || this.$.data('displayinput'),
                      displayPrevious : this.$.data('displayprevious'),
                      fgColor : this.$.data('fgcolor') || '#87CEEB',
                      inputColor: this.$.data('inputcolor') || this.$.data('fgcolor') || '#000000',
                      inline : false,
                      step : this.$.data('step') || 1,
  
                      // Hooks
                      draw : null, // function () {}
                      change : null, // function (value) {}
                      cancel : null, // function () {}
                      release : null // function (value) {}
                  }, this.o
              );
  
              // routing value
              if(this.$.is('fieldset')) {
  
                  // fieldset = array of integer
                  this.v = {};
                  this.i = this.$.find('input')
                  this.i.each(function(k) {
                      var $this = $(this);
                      s.i[k] = $this;
                      s.v[k] = $this.val();
  
                      $this.bind(
                          'change'
                          , function () {
                              var val = {};
                              val[k] = $this.val();
                              s.val(val);
                          }
                      );
                  });
                  this.$.find('legend').remove();
  
              } else {
                  // input = integer
                  this.i = this.$;
                  this.v = this.$.val();
                  (this.v == '') && (this.v = this.o.min);
  
                  this.$.bind(
                      'change'
                      , function () {
                          s.val(s._validate(s.$.val()));
                      }
                  );
              }
  
              (!this.o.displayInput) && this.$.hide();
  
              this.$c = $('<canvas width="' +
                              this.o.width + 'px" height="' +
                              this.o.height + 'px"></canvas>');
              this.c = this.$c[0].getContext("2d");
  
              this.$
                  .wrap($('<div style="' + (this.o.inline ? 'display:inline;' : '') +
                          'width:' + this.o.width + 'px;height:' +
                          this.o.height + 'px;"></div>'))
                  .before(this.$c);
  
              if (this.v instanceof Object) {
                  this.cv = {};
                  this.copy(this.v, this.cv);
              } else {
                  this.cv = this.v;
              }
  
              this.$
                  .bind("configure", cf)
                  .parent()
                  .bind("configure", cf);
  
              this._listen()
                  ._configure()
                  ._xy()
                  .init();
  
              this.isInit = true;
  
              this._draw();
  
              return this;
          };
  
          this._draw = function () {
  
              // canvas pre-rendering
              var d = true,
                  c = document.createElement('canvas');
  
              c.width = s.o.width;
              c.height = s.o.height;
              s.g = c.getContext('2d');
  
              s.clear();
  
              s.dH
              && (d = s.dH());
  
              (d !== false) && s.draw();
  
              s.c.drawImage(c, 0, 0);
              c = null;
          };
  
          this._touch = function (e) {
  
              var touchMove = function (e) {
  
                  var v = s.xy2val(
                              e.originalEvent.touches[s.t].pageX,
                              e.originalEvent.touches[s.t].pageY
                              );
  
                  if (v == s.cv) return;
  
                  if (
                      s.cH
                      && (s.cH(v) === false)
                  ) return;
  
  
                  s.change(s._validate(v));
                  s._draw();
              };
  
              // get touches index
              this.t = k.c.t(e);
  
              // First touch
              touchMove(e);
  
              // Touch events listeners
              k.c.d
                  .bind("touchmove.k", touchMove)
                  .bind(
                      "touchend.k"
                      , function () {
                          k.c.d.unbind('touchmove.k touchend.k');
  
                          if (
                              s.rH
                              && (s.rH(s.cv) === false)
                          ) return;
  
                          s.val(s.cv);
                      }
                  );
  
              return this;
          };
  
          this._mouse = function (e) {
  
              var mouseMove = function (e) {
                  var v = s.xy2val(e.pageX, e.pageY);
                  if (v == s.cv) return;
  
                  if (
                      s.cH
                      && (s.cH(v) === false)
                  ) return;
  
                  s.change(s._validate(v));
                  s._draw();
              };
  
              // First click
              mouseMove(e);
  
              // Mouse events listeners
              k.c.d
                  .bind("mousemove.k", mouseMove)
                  .bind(
                      // Escape key cancel current change
                      "keyup.k"
                      , function (e) {
                          if (e.keyCode === 27) {
                              k.c.d.unbind("mouseup.k mousemove.k keyup.k");
  
                              if (
                                  s.eH
                                  && (s.eH() === false)
                              ) return;
  
                              s.cancel();
                          }
                      }
                  )
                  .bind(
                      "mouseup.k"
                      , function (e) {
                          k.c.d.unbind('mousemove.k mouseup.k keyup.k');
  
                          if (
                              s.rH
                              && (s.rH(s.cv) === false)
                          ) return;
  
                          s.val(s.cv);
                      }
                  );
  
              return this;
          };
  
          this._xy = function () {
              var o = this.$c.offset();
              this.x = o.left;
              this.y = o.top;
              return this;
          };
  
          this._listen = function () {
  
              if (!this.o.readOnly) {
                  this.$c
                      .bind(
                          "mousedown"
                          , function (e) {
                              e.preventDefault();
                              s._xy()._mouse(e);
                           }
                      )
                      .bind(
                          "touchstart"
                          , function (e) {
                              e.preventDefault();
                              s._xy()._touch(e);
                           }
                      );
                  this.listen();
              } else {
                  this.$.attr('readonly', 'readonly');
              }
  
              return this;
          };
  
          this._configure = function () {
  
              // Hooks
              if (this.o.draw) this.dH = this.o.draw;
              if (this.o.change) this.cH = this.o.change;
              if (this.o.cancel) this.eH = this.o.cancel;
              if (this.o.release) this.rH = this.o.release;
  
              if (this.o.displayPrevious) {
                  this.pColor = this.h2rgba(this.o.fgColor, "0.4");
                  this.fgColor = this.h2rgba(this.o.fgColor, "0.6");
              } else {
                  this.fgColor = this.o.fgColor;
              }
  
              return this;
          };
  
          this._clear = function () {
              this.$c[0].width = this.$c[0].width;
          };
  
          this._validate = function(v) {
              return (~~ (((v < 0) ? -0.5 : 0.5) + (v/this.o.step))) * this.o.step;
          };
  
          // Abstract methods
          this.listen = function () {}; // on start, one time
          this.extend = function () {}; // each time configure triggered
          this.init = function () {}; // each time configure triggered
          this.change = function (v) {}; // on change
          this.val = function (v) {}; // on release
          this.xy2val = function (x, y) {}; //
          this.draw = function () {}; // on change / on release
          this.clear = function () { this._clear(); };
  
          // Utils
          this.h2rgba = function (h, a) {
              var rgb;
              h = h.substring(1,7)
              rgb = [parseInt(h.substring(0,2),16)
                     ,parseInt(h.substring(2,4),16)
                     ,parseInt(h.substring(4,6),16)];
              return "rgba(" + rgb[0] + "," + rgb[1] + "," + rgb[2] + "," + a + ")";
          };
  
          this.copy = function (f, t) {
              for (var i in f) { t[i] = f[i]; }
          };
      };
  
  
      /**
       * k.Dial
       */
      k.Dial = function () {
          k.o.call(this);
  
          this.startAngle = null;
          this.xy = null;
          this.radius = null;
          this.lineWidth = null;
          this.cursorExt = null;
          this.w2 = null;
          this.PI2 = 2*Math.PI;
  
          this.extend = function () {
              this.o = $.extend(
                  {
                      bgColor : this.$.data('bgcolor') || '#000000',
                      angleOffset : this.$.data('angleoffset') || 0,
                      angleArc : this.$.data('anglearc') || 360,
                      inline : true
                  }, this.o
              );
          };
  
          this.val = function (v) {
              if (null != v) {
                  this.cv = this.o.stopper ? max(min(v, this.o.max), this.o.min) : v;
                  this.v = this.cv;
                  this.$.val(this.v);
                  this._draw();
              } else {
                  return this.v;
              }
          };
  
          this.xy2val = function (x, y) {
              var a, ret;
  
              a = Math.atan2(
                          x - (this.x + this.w2)
                          , - (y - this.y - this.w2)
                      ) - this.angleOffset;
  
              if(this.angleArc != this.PI2 && (a < 0) && (a > -0.5)) {
                  // if isset angleArc option, set to min if .5 under min
                  a = 0;
              } else if (a < 0) {
                  a += this.PI2;
              }
  
              ret = ~~ (0.5 + (a * (this.o.max - this.o.min) / this.angleArc))
                      + this.o.min;
  
              this.o.stopper
              && (ret = max(min(ret, this.o.max), this.o.min));
  
              return ret;
          };
  
          this.listen = function () {
              // bind MouseWheel
              var s = this,
                  mw = function (e) {
                              e.preventDefault();
                              var ori = e.originalEvent
                                  ,deltaX = ori.detail || ori.wheelDeltaX
                                  ,deltaY = ori.detail || ori.wheelDeltaY
                                  ,v = parseInt(s.$.val()) + (deltaX>0 || deltaY>0 ? s.o.step : deltaX<0 || deltaY<0 ? -s.o.step : 0);
  
                              if (
                                  s.cH
                                  && (s.cH(v) === false)
                              ) return;
  
                              s.val(v);
                          }
                  , kval, to, m = 1, kv = {37:-s.o.step, 38:s.o.step, 39:s.o.step, 40:-s.o.step};
  
              this.$
                  .bind(
                      "keydown"
                      ,function (e) {
                          var kc = e.keyCode;
  
                          // numpad support
                          if(kc >= 96 && kc <= 105) {
                              kc = e.keyCode = kc - 48;
                          }
  
                          kval = parseInt(String.fromCharCode(kc));
  
                          if (isNaN(kval)) {
  
                              (kc !== 13)         // enter
                              && (kc !== 8)       // bs
                              && (kc !== 9)       // tab
                              && (kc !== 189)     // -
                              && e.preventDefault();
  
                              // arrows
                              if ($.inArray(kc,[37,38,39,40]) > -1) {
                                  e.preventDefault();
  
                                  var v = parseInt(s.$.val()) + kv[kc] * m;
  
                                  s.o.stopper
                                  && (v = max(min(v, s.o.max), s.o.min));
  
                                  s.change(v);
                                  s._draw();
  
                                  // long time keydown speed-up
                                  to = window.setTimeout(
                                      function () { m*=2; }
                                      ,30
                                  );
                              }
                          }
                      }
                  )
                  .bind(
                      "keyup"
                      ,function (e) {
                          if (isNaN(kval)) {
                              if (to) {
                                  window.clearTimeout(to);
                                  to = null;
                                  m = 1;
                                  s.val(s.$.val());
                              }
                          } else {
                              // kval postcond
                              (s.$.val() > s.o.max && s.$.val(s.o.max))
                              || (s.$.val() < s.o.min && s.$.val(s.o.min));
                          }
  
                      }
                  );
  
              this.$c.bind("mousewheel DOMMouseScroll", mw);
              this.$.bind("mousewheel DOMMouseScroll", mw)
          };
  
          this.init = function () {
  
              if (
                  this.v < this.o.min
                  || this.v > this.o.max
              ) this.v = this.o.min;
  
              this.$.val(this.v);
              this.w2 = this.o.width / 2;
              this.cursorExt = this.o.cursor / 100;
              this.xy = this.w2;
              this.lineWidth = this.xy * this.o.thickness;
              this.lineCap = this.o.lineCap;
              this.radius = this.xy - this.lineWidth / 2;
  
              this.o.angleOffset
              && (this.o.angleOffset = isNaN(this.o.angleOffset) ? 0 : this.o.angleOffset);
  
              this.o.angleArc
              && (this.o.angleArc = isNaN(this.o.angleArc) ? this.PI2 : this.o.angleArc);
  
              // deg to rad
              this.angleOffset = this.o.angleOffset * Math.PI / 180;
              this.angleArc = this.o.angleArc * Math.PI / 180;
  
              // compute start and end angles
              this.startAngle = 1.5 * Math.PI + this.angleOffset;
              this.endAngle = 1.5 * Math.PI + this.angleOffset + this.angleArc;
  
              var s = max(
                              String(Math.abs(this.o.max)).length
                              , String(Math.abs(this.o.min)).length
                              , 2
                              ) + 2;
  
              this.o.displayInput
                  && this.i.css({
                          'width' : ((this.o.width / 2 + 4) >> 0) + 'px'
                          ,'height' : ((this.o.width / 3) >> 0) + 'px'
                          ,'position' : 'absolute'
                          ,'vertical-align' : 'middle'
                          ,'margin-top' : ((this.o.width / 3) >> 0) + 'px'
                          ,'margin-left' : '-' + ((this.o.width * 3 / 4 + 2) >> 0) + 'px'
                          ,'border' : 0
                          ,'background' : 'none'
                          ,'font' : 'bold ' + ((this.o.width / s) >> 0) + 'px Arial'
                          ,'text-align' : 'center'
                          ,'color' : this.o.inputColor || this.o.fgColor
                          ,'padding' : '0px'
                          ,'-webkit-appearance': 'none'
                          })
                  || this.i.css({
                          'width' : '0px'
                          ,'visibility' : 'hidden'
                          });
          };
  
          this.change = function (v) {
              this.cv = v;
              this.$.val(v);
          };
  
          this.angle = function (v) {
              return (v - this.o.min) * this.angleArc / (this.o.max - this.o.min);
          };
  
          this.draw = function () {
  
              var c = this.g,                 // context
                  a = this.angle(this.cv)    // Angle
                  , sat = this.startAngle     // Start angle
                  , eat = sat + a             // End angle
                  , sa, ea                    // Previous angles
                  , r = 1;
  
              c.lineWidth = this.lineWidth;
  
              c.lineCap = this.lineCap;
  
              this.o.cursor
                  && (sat = eat - this.cursorExt)
                  && (eat = eat + this.cursorExt);
  
              c.beginPath();
                  c.strokeStyle = this.o.bgColor;
                  c.arc(this.xy, this.xy, this.radius, this.endAngle - 0.00001, this.startAngle + 0.00001, true);
              c.stroke();
  
              if (this.o.displayPrevious) {
                  ea = this.startAngle + this.angle(this.v);
                  sa = this.startAngle;
                  this.o.cursor
                      && (sa = ea - this.cursorExt)
                      && (ea = ea + this.cursorExt);
  
                  c.beginPath();
                      c.strokeStyle = this.pColor;
                      c.arc(this.xy, this.xy, this.radius, sa, ea, false);
                  c.stroke();
                  r = (this.cv == this.v);
              }
  
              c.beginPath();
                  c.strokeStyle = r ? this.o.fgColor : this.fgColor ;
                  c.arc(this.xy, this.xy, this.radius, sat, eat, false);
              c.stroke();
          };
  
          this.cancel = function () {
              this.val(this.v);
          };
      };
  
      $.fn.dial = $.fn.knob = function (o) {
          return this.each(
              function () {
                  var d = new k.Dial();
                  d.o = o;
                  d.$ = $(this);
                  d.run();
              }
          ).parent();
      };
  
  })(jQuery);