dat.gui/build/dat.gui.js

/**
 * dat-gui JavaScript Controller Library
 * http://code.google.com/p/dat-gui
 *
 * Copyright 2011 Data Arts Team, Google Creative Lab
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 */

(function (root, factory) {
  if (typeof define === 'function' && define.amd) {
    // AMD. Register as an anonymous module.
    define(factory);
  } else {
    // Browser globals
    root.dat = factory();
  }
}(this, function () {
/** @namespace */
  var dat = dat || {};
  
  /** @namespace */
  dat.gui = dat.gui || {};
  
  /** @namespace */
  dat.utils = dat.utils || {};
  
  /** @namespace */
  dat.controllers = dat.controllers || {};
  
  /** @namespace */
  dat.dom = dat.dom || {};
  
  /** @namespace */
  dat.color = dat.color || {};
  
  dat.utils.css = (function () {
    return {
      load: function (url, doc) {
        doc = doc || document;
        var link = doc.createElement('link');
        link.type = 'text/css';
        link.rel = 'stylesheet';
        link.href = url;
        doc.getElementsByTagName('head')[0].appendChild(link);
      },
      inject: function(css, doc) {
        doc = doc || document;
        var injected = document.createElement('style');
        injected.type = 'text/css';
        injected.innerHTML = css;
        doc.getElementsByTagName('head')[0].appendChild(injected);
      }
    }
  })();
  
  
  dat.utils.common = (function () {
    
    var ARR_EACH = Array.prototype.forEach;
    var ARR_SLICE = Array.prototype.slice;
  
    /**
     * Band-aid methods for things that should be a lot easier in JavaScript.
     * Implementation and structure inspired by underscore.js
     * http://documentcloud.github.com/underscore/
     */
  
    return { 
      
      BREAK: {},
    
      extend: function(target) {
        
        this.each(ARR_SLICE.call(arguments, 1), function(obj) {
          
          for (var key in obj)
            if (!this.isUndefined(obj[key])) 
              target[key] = obj[key];
          
        }, this);
        
        return target;
        
      },
      
      defaults: function(target) {
        
        this.each(ARR_SLICE.call(arguments, 1), function(obj) {
          
          for (var key in obj)
            if (this.isUndefined(target[key])) 
              target[key] = obj[key];
          
        }, this);
        
        return target;
      
      },
      
      compose: function() {
        var toCall = ARR_SLICE.call(arguments);
              return function() {
                var args = ARR_SLICE.call(arguments);
                for (var i = toCall.length -1; i >= 0; i--) {
                  args = [toCall[i].apply(this, args)];
                }
                return args[0];
              }
      },
      
      each: function(obj, itr, scope) {
  
        if (!obj) return;
  
        if (ARR_EACH && obj.forEach && obj.forEach === ARR_EACH) { 
          
          obj.forEach(itr, scope);
          
        } else if (obj.length === obj.length + 0) { // Is number but not NaN
          
          for (var key = 0, l = obj.length; key < l; key++)
            if (key in obj && itr.call(scope, obj[key], key) === this.BREAK) 
              return;
              
        } else {
  
          for (var key in obj) 
            if (itr.call(scope, obj[key], key) === this.BREAK)
              return;
              
        }
              
      },
      
      defer: function(fnc) {
        setTimeout(fnc, 0);
      },
      
      toArray: function(obj) {
        if (obj.toArray) return obj.toArray();
        return ARR_SLICE.call(obj);
      },
  
      isUndefined: function(obj) {
        return obj === undefined;
      },
      
      isNull: function(obj) {
        return obj === null;
      },
      
      isNaN: function(obj) {
        return obj !== obj;
      },
      
      isArray: Array.isArray || function(obj) {
        return obj.constructor === Array;
      },
      
      isObject: function(obj) {
        return obj === Object(obj);
      },
      
      isNumber: function(obj) {
        return obj === obj+0;
      },
      
      isString: function(obj) {
        return obj === obj+'';
      },
      
      isBoolean: function(obj) {
        return obj === false || obj === true;
      },
      
      isFunction: function(obj) {
        return Object.prototype.toString.call(obj) === '[object Function]';
      }
    
    };
      
  })();
  
  
  dat.controllers.Controller = (function (common) {
  
    /**
     * @class An "abstract" class that represents a given property of an object.
     *
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     *
     * @member dat.controllers
     */
    var Controller = function(object, property) {
  
      this.initialValue = object[property];
  
      /**
       * Those who extend this class will put their DOM elements in here.
       * @type {DOMElement}
       */
      this.domElement = document.createElement('div');
  
      /**
       * The object to manipulate
       * @type {Object}
       */
      this.object = object;
  
      /**
       * The name of the property to manipulate
       * @type {String}
       */
      this.property = property;
  
      /**
       * The function to be called on change.
       * @type {Function}
       * @ignore
       */
      this.__onChange = undefined;
  
      /**
       * The function to be called on finishing change.
       * @type {Function}
       * @ignore
       */
      this.__onFinishChange = undefined;
  
    };
  
    common.extend(
  
        Controller.prototype,
  
        /** @lends dat.controllers.Controller.prototype */
        {
  
          /**
           * Specify that a function fire every time someone changes the value with
           * this Controller.
           *
           * @param {Function} fnc This function will be called whenever the value
           * is modified via this Controller.
           * @returns {dat.controllers.Controller} this
           */
          onChange: function(fnc) {
            this.__onChange = fnc;
            return this;
          },
  
          /**
           * Specify that a function fire every time someone "finishes" changing
           * the value wih this Controller. Useful for values that change
           * incrementally like numbers or strings.
           *
           * @param {Function} fnc This function will be called whenever
           * someone "finishes" changing the value via this Controller.
           * @returns {dat.controllers.Controller} this
           */
          onFinishChange: function(fnc) {
            this.__onFinishChange = fnc;
            return this;
          },
  
          /**
           * Change the value of <code>object[property]</code>
           *
           * @param {Object} newValue The new value of <code>object[property]</code>
           */
          setValue: function(newValue) {
            this.object[this.property] = newValue;
            if (this.__onChange) {
              this.__onChange.call(this, newValue);
            }
            this.updateDisplay();
            return this;
          },
  
          /**
           * Gets the value of <code>object[property]</code>
           *
           * @returns {Object} The current value of <code>object[property]</code>
           */
          getValue: function() {
            return this.object[this.property];
          },
  
          /**
           * Refreshes the visual display of a Controller in order to keep sync
           * with the object's current value.
           * @returns {dat.controllers.Controller} this
           */
          updateDisplay: function() {
            return this;
          },
  
          /**
           * @returns {Boolean} true if the value has deviated from initialValue
           */
          isModified: function() {
            return this.initialValue !== this.getValue()
          }
  
        }
  
    );
  
    return Controller;
  
  
  })(dat.utils.common);
  
  
  dat.dom.dom = (function (common) {
  
    var EVENT_MAP = {
      'HTMLEvents': ['change'],
      'MouseEvents': ['click','mousemove','mousedown','mouseup', 'mouseover'],
      'KeyboardEvents': ['keydown']
    };
  
    var EVENT_MAP_INV = {};
    common.each(EVENT_MAP, function(v, k) {
      common.each(v, function(e) {
        EVENT_MAP_INV[e] = k;
      });
    });
  
    var CSS_VALUE_PIXELS = /(\d+(\.\d+)?)px/;
  
    function cssValueToPixels(val) {
  
      if (val === '0' || common.isUndefined(val)) return 0;
  
      var match = val.match(CSS_VALUE_PIXELS);
  
      if (!common.isNull(match)) {
        return parseFloat(match[1]);
      }
  
      // TODO ...ems? %?
  
      return 0;
  
    }
  
    /**
     * @namespace
     * @member dat.dom
     */
    var dom = {
  
      /**
       * 
       * @param elem
       * @param selectable
       */
      makeSelectable: function(elem, selectable) {
  
        if (elem === undefined || elem.style === undefined) return;
  
        elem.onselectstart = selectable ? function() {
          return false;
        } : function() {
        };
  
        elem.style.MozUserSelect = selectable ? 'auto' : 'none';
        elem.style.KhtmlUserSelect = selectable ? 'auto' : 'none';
        elem.unselectable = selectable ? 'on' : 'off';
  
      },
  
      /**
       *
       * @param elem
       * @param horizontal
       * @param vertical
       */
      makeFullscreen: function(elem, horizontal, vertical) {
  
        if (common.isUndefined(horizontal)) horizontal = true;
        if (common.isUndefined(vertical)) vertical = true;
  
        elem.style.position = 'absolute';
  
        if (horizontal) {
          elem.style.left = 0;
          elem.style.right = 0;
        }
        if (vertical) {
          elem.style.top = 0;
          elem.style.bottom = 0;
        }
  
      },
  
      /**
       *
       * @param elem
       * @param eventType
       * @param params
       */
      fakeEvent: function(elem, eventType, params, aux) {
        params = params || {};
        var className = EVENT_MAP_INV[eventType];
        if (!className) {
          throw new Error('Event type ' + eventType + ' not supported.');
        }
        var evt = document.createEvent(className);
        switch (className) {
          case 'MouseEvents':
            var clientX = params.x || params.clientX || 0;
            var clientY = params.y || params.clientY || 0;
            evt.initMouseEvent(eventType, params.bubbles || false,
                params.cancelable || true, window, params.clickCount || 1,
                0, //screen X
                0, //screen Y
                clientX, //client X
                clientY, //client Y
                false, false, false, false, 0, null);
            break;
          case 'KeyboardEvents':
            var init = evt.initKeyboardEvent || evt.initKeyEvent; // webkit || moz
            common.defaults(params, {
              cancelable: true,
              ctrlKey: false,
              altKey: false,
              shiftKey: false,
              metaKey: false,
              keyCode: undefined,
              charCode: undefined
            });
            init(eventType, params.bubbles || false,
                params.cancelable, window,
                params.ctrlKey, params.altKey,
                params.shiftKey, params.metaKey,
                params.keyCode, params.charCode);
            break;
          default:
            evt.initEvent(eventType, params.bubbles || false,
                params.cancelable || true);
            break;
        }
        common.defaults(evt, aux);
        elem.dispatchEvent(evt);
      },
  
      /**
       *
       * @param elem
       * @param event
       * @param func
       * @param bool
       */
      bind: function(elem, event, func, bool) {
        bool = bool || false;
        if (elem.addEventListener)
          elem.addEventListener(event, func, bool);
        else if (elem.attachEvent)
          elem.attachEvent('on' + event, func);
        return dom;
      },
  
      /**
       *
       * @param elem
       * @param event
       * @param func
       * @param bool
       */
      unbind: function(elem, event, func, bool) {
        bool = bool || false;
        if (elem.removeEventListener)
          elem.removeEventListener(event, func, bool);
        else if (elem.detachEvent)
          elem.detachEvent('on' + event, func);
        return dom;
      },
  
      /**
       *
       * @param elem
       * @param className
       */
      addClass: function(elem, className) {
        if (elem.className === undefined) {
          elem.className = className;
        } else if (elem.className !== className) {
          var classes = elem.className.split(/ +/);
          if (classes.indexOf(className) == -1) {
            classes.push(className);
            elem.className = classes.join(' ').replace(/^\s+/, '').replace(/\s+$/, '');
          }
        }
        return dom;
      },
  
      /**
       *
       * @param elem
       * @param className
       */
      removeClass: function(elem, className) {
        if (className) {
          if (elem.className === undefined) {
            // elem.className = className;
          } else if (elem.className === className) {
            elem.removeAttribute('class');
          } else {
            var classes = elem.className.split(/ +/);
            var index = classes.indexOf(className);
            if (index != -1) {
              classes.splice(index, 1);
              elem.className = classes.join(' ');
            }
          }
        } else {
          elem.className = undefined;
        }
        return dom;
      },
  
      hasClass: function(elem, className) {
        return new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)').test(elem.className) || false;
      },
  
      /**
       *
       * @param elem
       */
      getWidth: function(elem) {
  
        var style = getComputedStyle(elem);
  
        return cssValueToPixels(style['border-left-width']) +
            cssValueToPixels(style['border-right-width']) +
            cssValueToPixels(style['padding-left']) +
            cssValueToPixels(style['padding-right']) +
            cssValueToPixels(style['width']);
      },
  
      /**
       *
       * @param elem
       */
      getHeight: function(elem) {
  
        var style = getComputedStyle(elem);
  
        return cssValueToPixels(style['border-top-width']) +
            cssValueToPixels(style['border-bottom-width']) +
            cssValueToPixels(style['padding-top']) +
            cssValueToPixels(style['padding-bottom']) +
            cssValueToPixels(style['height']);
      },
  
      /**
       *
       * @param elem
       */
      getOffset: function(elem) {
        var offset = {left: 0, top:0};
        if (elem.offsetParent) {
          do {
            offset.left += elem.offsetLeft;
            offset.top += elem.offsetTop;
          } while (elem = elem.offsetParent);
        }
        return offset;
      },
  
      // http://stackoverflow.com/posts/2684561/revisions
      /**
       * 
       * @param elem
       */
      isActive: function(elem) {
        return elem === document.activeElement && ( elem.type || elem.href );
      }
  
    };
  
    return dom;
  
  })(dat.utils.common);
  
  
  dat.controllers.OptionController = (function (Controller, dom, common) {
  
    /**
     * @class Provides a select input to alter the property of an object, using a
     * list of accepted values.
     *
     * @extends dat.controllers.Controller
     *
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     * @param {Object|string[]} options A map of labels to acceptable values, or
     * a list of acceptable string values.
     *
     * @member dat.controllers
     */
    var OptionController = function(object, property, options) {
  
      OptionController.superclass.call(this, object, property);
  
      var _this = this;
  
      /**
       * The drop down menu
       * @ignore
       */
      this.__select = document.createElement('select');
  
      if (common.isArray(options)) {
        var map = {};
        common.each(options, function(element) {
          map[element] = element;
        });
        options = map;
      }
  
      common.each(options, function(value, key) {
  
        var opt = document.createElement('option');
        opt.innerHTML = key;
        opt.setAttribute('value', value);
        _this.__select.appendChild(opt);
  
      });
  
      // Acknowledge original value
      this.updateDisplay();
  
      dom.bind(this.__select, 'change', function() {
        var desiredValue = this.options[this.selectedIndex].value;
        _this.setValue(desiredValue);
      });
  
      this.domElement.appendChild(this.__select);
  
    };
  
    OptionController.superclass = Controller;
  
    common.extend(
  
        OptionController.prototype,
        Controller.prototype,
  
        {
  
          setValue: function(v) {
            var toReturn = OptionController.superclass.prototype.setValue.call(this, v);
            if (this.__onFinishChange) {
              this.__onFinishChange.call(this, this.getValue());
            }
            return toReturn;
          },
  
          updateDisplay: function() {
            this.__select.value = this.getValue();
            return OptionController.superclass.prototype.updateDisplay.call(this);
          }
  
        }
  
    );
  
    return OptionController;
  
  })(dat.controllers.Controller,
  dat.dom.dom,
  dat.utils.common);
  
  
  dat.controllers.NumberController = (function (Controller, common) {
  
    /**
     * @class Represents a given property of an object that is a number.
     *
     * @extends dat.controllers.Controller
     *
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     * @param {Object} [params] Optional parameters
     * @param {Number} [params.min] Minimum allowed value
     * @param {Number} [params.max] Maximum allowed value
     * @param {Number} [params.step] Increment by which to change value
     *
     * @member dat.controllers
     */
    var NumberController = function(object, property, params) {
  
      NumberController.superclass.call(this, object, property);
  
      params = params || {};
  
      this.__min = params.min;
      this.__max = params.max;
      this.__step = params.step;
  
      if (common.isUndefined(this.__step)) {
  
        if (this.initialValue == 0) {
          this.__impliedStep = 1; // What are we, psychics?
        } else {
          // Hey Doug, check this out.
          this.__impliedStep = Math.pow(10, Math.floor(Math.log(this.initialValue)/Math.LN10))/10;
        }
  
      } else {
  
      	this.__impliedStep = this.__step;
  
      }
  
      this.__precision = numDecimals(this.__impliedStep);
  
  
    };
  
    NumberController.superclass = Controller;
  
    common.extend(
  
        NumberController.prototype,
        Controller.prototype,
  
        /** @lends dat.controllers.NumberController.prototype */
        {
  
          setValue: function(v) {
  
            if (this.__min !== undefined && v < this.__min) {
              v = this.__min;
            } else if (this.__max !== undefined && v > this.__max) {
              v = this.__max;
            }
  
            if (this.__step !== undefined && v % this.__step != 0) {
              v = Math.round(v / this.__step) * this.__step;
            }
  
            return NumberController.superclass.prototype.setValue.call(this, v);
  
          },
  
          /**
           * Specify a minimum value for <code>object[property]</code>.
           *
           * @param {Number} minValue The minimum value for
           * <code>object[property]</code>
           * @returns {dat.controllers.NumberController} this
           */
          min: function(v) {
            this.__min = v;
            return this;
          },
  
          /**
           * Specify a maximum value for <code>object[property]</code>.
           *
           * @param {Number} maxValue The maximum value for
           * <code>object[property]</code>
           * @returns {dat.controllers.NumberController} this
           */
          max: function(v) {
            this.__max = v;
            return this;
          },
  
          /**
           * Specify a step value that dat.controllers.NumberController
           * increments by.
           *
           * @param {Number} stepValue The step value for
           * dat.controllers.NumberController
           * @default if minimum and maximum specified increment is 1% of the
           * difference otherwise stepValue is 1
           * @returns {dat.controllers.NumberController} this
           */
          step: function(v) {
            this.__step = v;
            this.__impliedStep = v;
            this.__precision = numDecimals(v);
            return this;
          }
  
        }
  
    );
  
    function numDecimals(x) {
      x = x.toString();
      if (x.indexOf('.') > -1) {
        return x.length - x.indexOf('.') - 1;
      } else {
        return 0;
      }
    }
  
    return NumberController;
  
  })(dat.controllers.Controller,
  dat.utils.common);
  
  
  dat.controllers.NumberControllerBox = (function (NumberController, dom, common) {
  
    /**
     * @class Represents a given property of an object that is a number and
     * provides an input element with which to manipulate it.
     *
     * @extends dat.controllers.Controller
     * @extends dat.controllers.NumberController
     *
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     * @param {Object} [params] Optional parameters
     * @param {Number} [params.min] Minimum allowed value
     * @param {Number} [params.max] Maximum allowed value
     * @param {Number} [params.step] Increment by which to change value
     *
     * @member dat.controllers
     */
    var NumberControllerBox = function(object, property, params) {
  
      this.__truncationSuspended = false;
  
      NumberControllerBox.superclass.call(this, object, property, params);
  
      var _this = this;
  
      /**
       * {Number} Previous mouse y position
       * @ignore
       */
      var prev_y;
  
      this.__input = document.createElement('input');
      this.__input.setAttribute('type', 'text');
  
      // Makes it so manually specified values are not truncated.
  
      dom.bind(this.__input, 'change', onChange);
      dom.bind(this.__input, 'blur', onBlur);
      dom.bind(this.__input, 'mousedown', onMouseDown);
      dom.bind(this.__input, 'keydown', function(e) {
  
        // When pressing entire, you can be as precise as you want.
        if (e.keyCode === 13) {
          _this.__truncationSuspended = true;
          this.blur();
          _this.__truncationSuspended = false;
        }
  
      });
  
      function onChange() {
        var attempted = parseFloat(_this.__input.value);
        if (!common.isNaN(attempted)) _this.setValue(attempted);
      }
  
      function onBlur() {
        onChange();
        if (_this.__onFinishChange) {
          _this.__onFinishChange.call(_this, _this.getValue());
        }
      }
  
      function onMouseDown(e) {
        dom.bind(window, 'mousemove', onMouseDrag);
        dom.bind(window, 'mouseup', onMouseUp);
        prev_y = e.clientY;
      }
  
      function onMouseDrag(e) {
  
        var diff = prev_y - e.clientY;
        _this.setValue(_this.getValue() + diff * _this.__impliedStep);
  
        prev_y = e.clientY;
  
      }
  
      function onMouseUp() {
        dom.unbind(window, 'mousemove', onMouseDrag);
        dom.unbind(window, 'mouseup', onMouseUp);
      }
  
      this.updateDisplay();
  
      this.domElement.appendChild(this.__input);
  
    };
  
    NumberControllerBox.superclass = NumberController;
  
    common.extend(
  
        NumberControllerBox.prototype,
        NumberController.prototype,
  
        {
  
          updateDisplay: function() {
  
            this.__input.value = this.__truncationSuspended ? this.getValue() : roundToDecimal(this.getValue(), this.__precision);
            return NumberControllerBox.superclass.prototype.updateDisplay.call(this);
          }
  
        }
  
    );
  
    function roundToDecimal(value, decimals) {
      var tenTo = Math.pow(10, decimals);
      return Math.round(value * tenTo) / tenTo;
    }
  
    return NumberControllerBox;
  
  })(dat.controllers.NumberController,
  dat.dom.dom,
  dat.utils.common);
  
  
  dat.controllers.NumberControllerSlider = (function (NumberController, dom, css, common, styleSheet) {
  
    /**
     * @class Represents a given property of an object that is a number, contains
     * a minimum and maximum, and provides a slider element with which to
     * manipulate it. It should be noted that the slider element is made up of
     * <code>&lt;div&gt;</code> tags, <strong>not</strong> the html5
     * <code>&lt;slider&gt;</code> element.
     *
     * @extends dat.controllers.Controller
     * @extends dat.controllers.NumberController
     * 
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     * @param {Number} minValue Minimum allowed value
     * @param {Number} maxValue Maximum allowed value
     * @param {Number} stepValue Increment by which to change value
     *
     * @member dat.controllers
     */
    var NumberControllerSlider = function(object, property, min, max, step) {
  
      NumberControllerSlider.superclass.call(this, object, property, { min: min, max: max, step: step });
  
      var _this = this;
  
      this.__background = document.createElement('div');
      this.__foreground = document.createElement('div');
      
  
  
      dom.bind(this.__background, 'mousedown', onMouseDown);
      
      dom.addClass(this.__background, 'slider');
      dom.addClass(this.__foreground, 'slider-fg');
  
      function onMouseDown(e) {
  
        dom.bind(window, 'mousemove', onMouseDrag);
        dom.bind(window, 'mouseup', onMouseUp);
  
        onMouseDrag(e);
      }
  
      function onMouseDrag(e) {
  
        e.preventDefault();
  
        var offset = dom.getOffset(_this.__background);
        var width = dom.getWidth(_this.__background);
        
        _this.setValue(
        	map(e.clientX, offset.left, offset.left + width, _this.__min, _this.__max)
        );
  
        return false;
  
      }
  
      function onMouseUp() {
        dom.unbind(window, 'mousemove', onMouseDrag);
        dom.unbind(window, 'mouseup', onMouseUp);
        if (_this.__onFinishChange) {
          _this.__onFinishChange.call(_this, _this.getValue());
        }
      }
  
      this.updateDisplay();
  
      this.__background.appendChild(this.__foreground);
      this.domElement.appendChild(this.__background);
  
    };
  
    NumberControllerSlider.superclass = NumberController;
  
    /**
     * Injects default stylesheet for slider elements.
     */
    NumberControllerSlider.useDefaultStyles = function() {
      css.inject(styleSheet);
    };
  
    common.extend(
  
        NumberControllerSlider.prototype,
        NumberController.prototype,
  
        {
  
          updateDisplay: function() {
            var pct = (this.getValue() - this.__min)/(this.__max - this.__min);
            this.__foreground.style.width = pct*100+'%';
            return NumberControllerSlider.superclass.prototype.updateDisplay.call(this);
          }
  
        }
  
  
  
    );
  
  	function map(v, i1, i2, o1, o2) {
  		return o1 + (o2 - o1) * ((v - i1) / (i2 - i1));
  	}
  
    return NumberControllerSlider;
    
  })(dat.controllers.NumberController,
  dat.dom.dom,
  dat.utils.css,
  dat.utils.common,
  "/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n.slider {\n  box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n  height: 1em;\n  border-radius: 1em;\n  background-color: #eee;\n  padding: 0 0.5em;\n  overflow: hidden;\n}\n\n.slider-fg {\n  padding: 1px 0 2px 0;\n  background-color: #aaa;\n  height: 1em;\n  margin-left: -0.5em;\n  padding-right: 0.5em;\n  border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n  display: inline-block;\n  border-radius: 1em;\n  background-color: #fff;\n  border:  1px solid #aaa;\n  content: '';\n  float: right;\n  margin-right: -1em;\n  margin-top: -1px;\n  height: 0.9em;\n  width: 0.9em;\n}");
  
  
  dat.controllers.FunctionController = (function (Controller, dom, common) {
  
    /**
     * @class Provides a GUI interface to fire a specified method, a property of an object.
     *
     * @extends dat.controllers.Controller
     *
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     *
     * @member dat.controllers
     */
    var FunctionController = function(object, property, text) {
  
      FunctionController.superclass.call(this, object, property);
  
      var _this = this;
  
      this.__button = document.createElement('div');
      this.__button.innerHTML = text === undefined ? 'Fire' : text;
      dom.bind(this.__button, 'click', function(e) {
        e.preventDefault();
        _this.fire();
        return false;
      });
  
      dom.addClass(this.__button, 'button');
  
      this.domElement.appendChild(this.__button);
  
  
    };
  
    FunctionController.superclass = Controller;
  
    common.extend(
  
        FunctionController.prototype,
        Controller.prototype,
        {
          
          fire: function() {
            if (this.__onChange) {
              this.__onChange.call(this);
            }
            if (this.__onFinishChange) {
              this.__onFinishChange.call(this, this.getValue());
            }
            this.getValue().call(this.object);
          }
        }
  
    );
  
    return FunctionController;
  
  })(dat.controllers.Controller,
  dat.dom.dom,
  dat.utils.common);
  
  
  dat.controllers.BooleanController = (function (Controller, dom, common) {
  
    /**
     * @class Provides a checkbox input to alter the boolean property of an object.
     * @extends dat.controllers.Controller
     *
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     *
     * @member dat.controllers
     */
    var BooleanController = function(object, property) {
  
      BooleanController.superclass.call(this, object, property);
  
      var _this = this;
      this.__prev = this.getValue();
  
      this.__checkbox = document.createElement('input');
      this.__checkbox.setAttribute('type', 'checkbox');
  
  
      dom.bind(this.__checkbox, 'change', onChange, false);
  
      this.domElement.appendChild(this.__checkbox);
  
      // Match original value
      this.updateDisplay();
  
      function onChange() {
        _this.setValue(!_this.__prev);
      }
  
    };
  
    BooleanController.superclass = Controller;
  
    common.extend(
  
        BooleanController.prototype,
        Controller.prototype,
  
        {
  
          setValue: function(v) {
            var toReturn = BooleanController.superclass.prototype.setValue.call(this, v);
            if (this.__onFinishChange) {
              this.__onFinishChange.call(this, this.getValue());
            }
            this.__prev = this.getValue();
            return toReturn;
          },
  
          updateDisplay: function() {
            
            if (this.getValue() === true) {
              this.__checkbox.setAttribute('checked', 'checked');
              this.__checkbox.checked = true;    
            } else {
                this.__checkbox.checked = false;
            }
  
            return BooleanController.superclass.prototype.updateDisplay.call(this);
  
          }
  
  
        }
  
    );
  
    return BooleanController;
  
  })(dat.controllers.Controller,
  dat.dom.dom,
  dat.utils.common);
  
  
  dat.color.toString = (function (common) {
  
    return function(color) {
  
      if (color.a == 1 || common.isUndefined(color.a)) {
  
        var s = color.hex.toString(16);
        while (s.length < 6) {
          s = '0' + s;
        }
  
        return '#' + s;
  
      } else {
  
        return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';
  
      }
  
    }
  
  })(dat.utils.common);
  
  
  dat.color.interpret = (function (toString, common) {
  
    var result, toReturn;
  
    var interpret = function() {
  
      toReturn = false;
  
      var original = arguments.length > 1 ? common.toArray(arguments) : arguments[0];
  
      common.each(INTERPRETATIONS, function(family) {
  
        if (family.litmus(original)) {
  
          common.each(family.conversions, function(conversion, conversionName) {
  
            result = conversion.read(original);
  
            if (toReturn === false && result !== false) {
              toReturn = result;
              result.conversionName = conversionName;
              result.conversion = conversion;
              return common.BREAK;
  
            }
  
          });
  
          return common.BREAK;
  
        }
  
      });
  
      return toReturn;
  
    };
  
    var INTERPRETATIONS = [
  
      // Strings
      {
  
        litmus: common.isString,
  
        conversions: {
  
          THREE_CHAR_HEX: {
  
            read: function(original) {
  
              var test = original.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);
              if (test === null) return false;
  
              return {
                space: 'HEX',
                hex: parseInt(
                    '0x' +
                        test[1].toString() + test[1].toString() +
                        test[2].toString() + test[2].toString() +
                        test[3].toString() + test[3].toString())
              };
  
            },
  
            write: toString
  
          },
  
          SIX_CHAR_HEX: {
  
            read: function(original) {
  
              var test = original.match(/^#([A-F0-9]{6})$/i);
              if (test === null) return false;
  
              return {
                space: 'HEX',
                hex: parseInt('0x' + test[1].toString())
              };
  
            },
  
            write: toString
  
          },
  
          CSS_RGB: {
  
            read: function(original) {
  
              var test = original.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/);
              if (test === null) return false;
  
              return {
                space: 'RGB',
                r: parseFloat(test[1]),
                g: parseFloat(test[2]),
                b: parseFloat(test[3])
              };
  
            },
  
            write: toString
  
          },
  
          CSS_RGBA: {
  
            read: function(original) {
  
              var test = original.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/);
              if (test === null) return false;
  
              return {
                space: 'RGB',
                r: parseFloat(test[1]),
                g: parseFloat(test[2]),
                b: parseFloat(test[3]),
                a: parseFloat(test[4])
              };
  
            },
  
            write: toString
  
          }
  
        }
  
      },
  
      // Numbers
      {
  
        litmus: common.isNumber,
  
        conversions: {
  
          HEX: {
            read: function(original) {
              return {
                space: 'HEX',
                hex: original,
                conversionName: 'HEX'
              }
            },
  
            write: function(color) {
              return color.hex;
            }
          }
  
        }
  
      },
  
      // Arrays
      {
  
        litmus: common.isArray,
  
        conversions: {
  
          RGB_ARRAY: {
            read: function(original) {
              if (original.length != 3) return false;
              return {
                space: 'RGB',
                r: original[0],
                g: original[1],
                b: original[2]
              };
            },
  
            write: function(color) {
              return [color.r, color.g, color.b];
            }
  
          },
  
          RGBA_ARRAY: {
            read: function(original) {
              if (original.length != 4) return false;
              return {
                space: 'RGB',
                r: original[0],
                g: original[1],
                b: original[2],
                a: original[3]
              };
            },
  
            write: function(color) {
              return [color.r, color.g, color.b, color.a];
            }
  
          }
  
        }
  
      },
  
      // Objects
      {
  
        litmus: common.isObject,
  
        conversions: {
  
          RGBA_OBJ: {
            read: function(original) {
              if (common.isNumber(original.r) &&
                  common.isNumber(original.g) &&
                  common.isNumber(original.b) &&
                  common.isNumber(original.a)) {
                return {
                  space: 'RGB',
                  r: original.r,
                  g: original.g,
                  b: original.b,
                  a: original.a
                }
              }
              return false;
            },
  
            write: function(color) {
              return {
                r: color.r,
                g: color.g,
                b: color.b,
                a: color.a
              }
            }
          },
  
          RGB_OBJ: {
            read: function(original) {
              if (common.isNumber(original.r) &&
                  common.isNumber(original.g) &&
                  common.isNumber(original.b)) {
                return {
                  space: 'RGB',
                  r: original.r,
                  g: original.g,
                  b: original.b
                }
              }
              return false;
            },
  
            write: function(color) {
              return {
                r: color.r,
                g: color.g,
                b: color.b
              }
            }
          },
  
          HSVA_OBJ: {
            read: function(original) {
              if (common.isNumber(original.h) &&
                  common.isNumber(original.s) &&
                  common.isNumber(original.v) &&
                  common.isNumber(original.a)) {
                return {
                  space: 'HSV',
                  h: original.h,
                  s: original.s,
                  v: original.v,
                  a: original.a
                }
              }
              return false;
            },
  
            write: function(color) {
              return {
                h: color.h,
                s: color.s,
                v: color.v,
                a: color.a
              }
            }
          },
  
          HSV_OBJ: {
            read: function(original) {
              if (common.isNumber(original.h) &&
                  common.isNumber(original.s) &&
                  common.isNumber(original.v)) {
                return {
                  space: 'HSV',
                  h: original.h,
                  s: original.s,
                  v: original.v
                }
              }
              return false;
            },
  
            write: function(color) {
              return {
                h: color.h,
                s: color.s,
                v: color.v
              }
            }
  
          }
  
        }
  
      }
  
  
    ];
  
    return interpret;
  
  
  })(dat.color.toString,
  dat.utils.common);
  
  
  dat.GUI = dat.gui.GUI = (function (css, saveDialogueContents, styleSheet, controllerFactory, Controller, BooleanController, FunctionController, NumberControllerBox, NumberControllerSlider, OptionController, ColorController, requestAnimationFrame, CenteredDiv, dom, common) {
  
    css.inject(styleSheet);
  
    /** Outer-most className for GUI's */
    var CSS_NAMESPACE = 'dg';
  
    var HIDE_KEY_CODE = 72;
  
    /** The only value shared between the JS and SCSS. Use caution. */
    var CLOSE_BUTTON_HEIGHT = 20;
  
    var DEFAULT_DEFAULT_PRESET_NAME = 'Default';
  
    var SUPPORTS_LOCAL_STORAGE = (function() {
      try {
        return 'localStorage' in window && window['localStorage'] !== null;
      } catch (e) {
        return false;
      }
    })();
  
    var SAVE_DIALOGUE;
  
    /** Have we yet to create an autoPlace GUI? */
    var auto_place_virgin = true;
  
    /** Fixed position div that auto place GUI's go inside */
    var auto_place_container;
  
    /** Are we hiding the GUI's ? */
    var hide = false;
  
    /** GUI's which should be hidden */
    var hideable_guis = [];
  
    /**
     * A lightweight controller library for JavaScript. It allows you to easily
     * manipulate variables and fire functions on the fly.
     * @class
     *
     * @member dat.gui
     *
     * @param {Object} [params]
     * @param {String} [params.name] The name of this GUI.
     * @param {Object} [params.load] JSON object representing the saved state of
     * this GUI.
     * @param {Boolean} [params.auto=true]
     * @param {dat.gui.GUI} [params.parent] The GUI I'm nested in.
     * @param {Boolean} [params.closed] If true, starts closed
     */
    var GUI = function(params) {
  
      var _this = this;
  
      /**
       * Outermost DOM Element
       * @type DOMElement
       */
      this.domElement = document.createElement('div');
      this.__ul = document.createElement('ul');
      this.domElement.appendChild(this.__ul);
  
      dom.addClass(this.domElement, CSS_NAMESPACE);
  
      /**
       * Nested GUI's by name
       * @ignore
       */
      this.__folders = {};
  
      this.__controllers = [];
  
      /**
       * List of objects I'm remembering for save, only used in top level GUI
       * @ignore
       */
      this.__rememberedObjects = [];
  
      /**
       * Maps the index of remembered objects to a map of controllers, only used
       * in top level GUI.
       *
       * @private
       * @ignore
       *
       * @example
       * [
       *  {
       *    propertyName: Controller,
       *    anotherPropertyName: Controller
       *  },
       *  {
       *    propertyName: Controller
       *  }
       * ]
       */
      this.__rememberedObjectIndecesToControllers = [];
  
      this.__listening = [];
  
      params = params || {};
  
      // Default parameters
      params = common.defaults(params, {
        autoPlace: true,
        width: GUI.DEFAULT_WIDTH
      });
  
      params = common.defaults(params, {
        resizable: params.autoPlace,
        hideable: params.autoPlace
      });
  
  
      if (!common.isUndefined(params.load)) {
  
        // Explicit preset
        if (params.preset) params.load.preset = params.preset;
  
      } else {
  
        params.load = { preset: DEFAULT_DEFAULT_PRESET_NAME };
  
      }
  
      if (common.isUndefined(params.parent) && params.hideable) {
        hideable_guis.push(this);
      }
  
      // Only root level GUI's are resizable.
      params.resizable = common.isUndefined(params.parent) && params.resizable;
  
  
      if (params.autoPlace && common.isUndefined(params.scrollable)) {
        params.scrollable = true;
      }
  //    params.scrollable = common.isUndefined(params.parent) && params.scrollable === true;
  
      // Not part of params because I don't want people passing this in via
      // constructor. Should be a 'remembered' value.
      var use_local_storage =
          SUPPORTS_LOCAL_STORAGE &&
              localStorage.getItem(getLocalStorageHash(this, 'isLocal')) === 'true';
  
      var saveToLocalStorage;
  
      Object.defineProperties(this,
  
          /** @lends dat.gui.GUI.prototype */
          {
  
            /**
             * The parent <code>GUI</code>
             * @type dat.gui.GUI
             */
            parent: {
              get: function() {
                return params.parent;
              }
            },
  
            scrollable: {
              get: function() {
                return params.scrollable;
              }
            },
  
            /**
             * Handles <code>GUI</code>'s element placement for you
             * @type Boolean
             */
            autoPlace: {
              get: function() {
                return params.autoPlace;
              }
            },
  
            /**
             * The identifier for a set of saved values
             * @type String
             */
            preset: {
  
              get: function() {
                if (_this.parent) {
                  return _this.getRoot().preset;
                } else {
                  return params.load.preset;
                }
              },
  
              set: function(v) {
                if (_this.parent) {
                  _this.getRoot().preset = v;
                } else {
                  params.load.preset = v;
                }
                setPresetSelectIndex(this);
                _this.revert();
              }
  
            },
  
            /**
             * The width of <code>GUI</code> element
             * @type Number
             */
            width: {
              get: function() {
                return params.width;
              },
              set: function(v) {
                params.width = v;
                setWidth(_this, v);
              }
            },
  
            /**
             * The name of <code>GUI</code>. Used for folders. i.e
             * a folder's name
             * @type String
             */
            name: {
              get: function() {
                return params.name;
              },
              set: function(v) {
                // TODO Check for collisions among sibling folders
                params.name = v;
                if (title_row_name) {
                  title_row_name.innerHTML = params.name;
                }
              }
            },
  
            /**
             * Whether the <code>GUI</code> is collapsed or not
             * @type Boolean
             */
            closed: {
              get: function() {
                return params.closed;
              },
              set: function(v) {
                params.closed = v;
                if (params.closed) {
                  dom.addClass(_this.__ul, GUI.CLASS_CLOSED);
                } else {
                  dom.removeClass(_this.__ul, GUI.CLASS_CLOSED);
                }
                // For browsers that aren't going to respect the CSS transition,
                // Lets just check our height against the window height right off
                // the bat.
                this.onResize();
  
                if (_this.__closeButton) {
                  _this.__closeButton.innerHTML = v ? GUI.TEXT_OPEN : GUI.TEXT_CLOSED;
                }
              }
            },
  
            /**
             * Contains all presets
             * @type Object
             */
            load: {
              get: function() {
                return params.load;
              }
            },
  
            /**
             * Determines whether or not to use <a href="https://developer.mozilla.org/en/DOM/Storage#localStorage">localStorage</a> as the means for
             * <code>remember</code>ing
             * @type Boolean
             */
            useLocalStorage: {
  
              get: function() {
                return use_local_storage;
              },
              set: function(bool) {
                if (SUPPORTS_LOCAL_STORAGE) {
                  use_local_storage = bool;
                  if (bool) {
                    dom.bind(window, 'unload', saveToLocalStorage);
                  } else {
                    dom.unbind(window, 'unload', saveToLocalStorage);
                  }
                  localStorage.setItem(getLocalStorageHash(_this, 'isLocal'), bool);
                }
              }
  
            }
  
          });
  
      // Are we a root level GUI?
      if (common.isUndefined(params.parent)) {
  
        params.closed = false;
  
        dom.addClass(this.domElement, GUI.CLASS_MAIN);
        dom.makeSelectable(this.domElement, false);
  
        // Are we supposed to be loading locally?
        if (SUPPORTS_LOCAL_STORAGE) {
  
          if (use_local_storage) {
  
            _this.useLocalStorage = true;
  
            var saved_gui = localStorage.getItem(getLocalStorageHash(this, 'gui'));
  
            if (saved_gui) {
              params.load = JSON.parse(saved_gui);
            }
  
          }
  
        }
  
        this.__closeButton = document.createElement('div');
        this.__closeButton.innerHTML = GUI.TEXT_CLOSED;
        dom.addClass(this.__closeButton, GUI.CLASS_CLOSE_BUTTON);
        this.domElement.appendChild(this.__closeButton);
  
        dom.bind(this.__closeButton, 'click', function() {
  
          _this.closed = !_this.closed;
  
  
        });
  
  
        // Oh, you're a nested GUI!
      } else {
  
        if (params.closed === undefined) {
          params.closed = true;
        }
  
        var title_row_name = document.createTextNode(params.name);
        dom.addClass(title_row_name, 'controller-name');
  
        var title_row = addRow(_this, title_row_name);
  
        var on_click_title = function(e) {
          e.preventDefault();
          _this.closed = !_this.closed;
          return false;
        };
  
        dom.addClass(this.__ul, GUI.CLASS_CLOSED);
  
        dom.addClass(title_row, 'title');
        dom.bind(title_row, 'click', on_click_title);
  
        if (!params.closed) {
          this.closed = false;
        }
  
      }
  
      if (params.autoPlace) {
  
        if (common.isUndefined(params.parent)) {
  
          if (auto_place_virgin) {
            auto_place_container = document.createElement('div');
            dom.addClass(auto_place_container, CSS_NAMESPACE);
            dom.addClass(auto_place_container, GUI.CLASS_AUTO_PLACE_CONTAINER);
            document.body.appendChild(auto_place_container);
            auto_place_virgin = false;
          }
  
          // Put it in the dom for you.
          auto_place_container.appendChild(this.domElement);
  
          // Apply the auto styles
          dom.addClass(this.domElement, GUI.CLASS_AUTO_PLACE);
  
        }
  
  
        // Make it not elastic.
        if (!this.parent) setWidth(_this, params.width);
  
      }
  
      dom.bind(window, 'resize', function() { _this.onResize() });
      dom.bind(this.__ul, 'webkitTransitionEnd', function() { _this.onResize(); });
      dom.bind(this.__ul, 'transitionend', function() { _this.onResize() });
      dom.bind(this.__ul, 'oTransitionEnd', function() { _this.onResize() });
      this.onResize();
  
  
      if (params.resizable) {
        addResizeHandle(this);
      }
  
      saveToLocalStorage = function () {
        if (SUPPORTS_LOCAL_STORAGE && localStorage.getItem(getLocalStorageHash(_this, 'isLocal')) === 'true') {
          localStorage.setItem(getLocalStorageHash(_this, 'gui'), JSON.stringify(_this.getSaveObject()));
        }
      }
  
      // expose this method publicly
      this.saveToLocalStorageIfPossible = saveToLocalStorage;
  
      var root = _this.getRoot();
      function resetWidth() {
  	      var root = _this.getRoot();
  	      root.width += 1;
  	      common.defer(function() {
  	        root.width -= 1;
  	      });
  	    }
  
  	    if (!params.parent) {
  	      resetWidth();
  	    }
  
    };
  
    GUI.toggleHide = function() {
  
      hide = !hide;
      common.each(hideable_guis, function(gui) {
        gui.domElement.style.zIndex = hide ? -999 : 999;
        gui.domElement.style.opacity = hide ? 0 : 1;
      });
    };
  
    GUI.CLASS_AUTO_PLACE = 'a';
    GUI.CLASS_AUTO_PLACE_CONTAINER = 'ac';
    GUI.CLASS_MAIN = 'main';
    GUI.CLASS_CONTROLLER_ROW = 'cr';
    GUI.CLASS_TOO_TALL = 'taller-than-window';
    GUI.CLASS_CLOSED = 'closed';
    GUI.CLASS_CLOSE_BUTTON = 'close-button';
    GUI.CLASS_DRAG = 'drag';
  
    GUI.DEFAULT_WIDTH = 245;
    GUI.TEXT_CLOSED = 'Close Controls';
    GUI.TEXT_OPEN = 'Open Controls';
  
    dom.bind(window, 'keydown', function(e) {
  
      if (document.activeElement.type !== 'text' &&
          (e.which === HIDE_KEY_CODE || e.keyCode == HIDE_KEY_CODE)) {
        GUI.toggleHide();
      }
  
    }, false);
  
    common.extend(
  
        GUI.prototype,
  
        /** @lends dat.gui.GUI */
        {
  
          /**
           * @param object
           * @param property
           * @returns {dat.controllers.Controller} The new controller that was added.
           * @instance
           */
          add: function(object, property) {
  
            return add(
                this,
                object,
                property,
                {
                  factoryArgs: Array.prototype.slice.call(arguments, 2)
                }
            );
  
          },
  
          /**
           * @param object
           * @param property
           * @returns {dat.controllers.ColorController} The new controller that was added.
           * @instance
           */
          addColor: function(object, property) {
  
            return add(
                this,
                object,
                property,
                {
                  color: true
                }
            );
  
          },
  
          /**
           * @param controller
           * @instance
           */
          remove: function(controller) {
  
            // TODO listening?
            this.__ul.removeChild(controller.__li);
            this.__controllers.slice(this.__controllers.indexOf(controller), 1);
            var _this = this;
            common.defer(function() {
              _this.onResize();
            });
  
          },
  
          destroy: function() {
  
            if (this.autoPlace) {
              auto_place_container.removeChild(this.domElement);
            }
  
          },
  
          /**
           * @param name
           * @returns {dat.gui.GUI} The new folder.
           * @throws {Error} if this GUI already has a folder by the specified
           * name
           * @instance
           */
          addFolder: function(name) {
  
            // We have to prevent collisions on names in order to have a key
            // by which to remember saved values
            if (this.__folders[name] !== undefined) {
              throw new Error('You already have a folder in this GUI by the' +
                  ' name "' + name + '"');
            }
  
            var new_gui_params = { name: name, parent: this };
  
            // We need to pass down the autoPlace trait so that we can
            // attach event listeners to open/close folder actions to
            // ensure that a scrollbar appears if the window is too short.
            new_gui_params.autoPlace = this.autoPlace;
  
            // Do we have saved appearance data for this folder?
  
            if (this.load && // Anything loaded?
                this.load.folders && // Was my parent a dead-end?
                this.load.folders[name]) { // Did daddy remember me?
  
              // Start me closed if I was closed
              new_gui_params.closed = this.load.folders[name].closed;
  
              // Pass down the loaded data
              new_gui_params.load = this.load.folders[name];
  
            }
  
            var gui = new GUI(new_gui_params);
            this.__folders[name] = gui;
  
            var li = addRow(this, gui.domElement);
            dom.addClass(li, 'folder');
            return gui;
  
          },
  
          open: function() {
            this.closed = false;
          },
  
          close: function() {
            this.closed = true;
          },
  
          onResize: function() {
  
            var root = this.getRoot();
  
            if (root.scrollable) {
  
              var top = dom.getOffset(root.__ul).top;
              var h = 0;
  
              common.each(root.__ul.childNodes, function(node) {
                if (! (root.autoPlace && node === root.__save_row))
                  h += dom.getHeight(node);
              });
  
              if (window.innerHeight - top - CLOSE_BUTTON_HEIGHT < h) {
                dom.addClass(root.domElement, GUI.CLASS_TOO_TALL);
                root.__ul.style.height = window.innerHeight - top - CLOSE_BUTTON_HEIGHT + 'px';
              } else {
                dom.removeClass(root.domElement, GUI.CLASS_TOO_TALL);
                root.__ul.style.height = 'auto';
              }
  
            }
  
            if (root.__resize_handle) {
              common.defer(function() {
                root.__resize_handle.style.height = root.__ul.offsetHeight + 'px';
              });
            }
  
            if (root.__closeButton) {
              root.__closeButton.style.width = root.width + 'px';
            }
  
          },
  
          /**
           * Mark objects for saving. The order of these objects cannot change as
           * the GUI grows. When remembering new objects, append them to the end
           * of the list.
           *
           * @param {Object...} objects
           * @throws {Error} if not called on a top level GUI.
           * @instance
           */
          remember: function() {
  
            if (common.isUndefined(SAVE_DIALOGUE)) {
              SAVE_DIALOGUE = new CenteredDiv();
              SAVE_DIALOGUE.domElement.innerHTML = saveDialogueContents;
            }
  
            if (this.parent) {
              throw new Error("You can only call remember on a top level GUI.");
            }
  
            var _this = this;
  
            common.each(Array.prototype.slice.call(arguments), function(object) {
              if (_this.__rememberedObjects.length == 0) {
                addSaveMenu(_this);
              }
              if (_this.__rememberedObjects.indexOf(object) == -1) {
                _this.__rememberedObjects.push(object);
              }
            });
  
            if (this.autoPlace) {
              // Set save row width
              setWidth(this, this.width);
            }
  
          },
  
          /**
           * @returns {dat.gui.GUI} the topmost parent GUI of a nested GUI.
           * @instance
           */
          getRoot: function() {
            var gui = this;
            while (gui.parent) {
              gui = gui.parent;
            }
            return gui;
          },
  
          /**
           * @returns {Object} a JSON object representing the current state of
           * this GUI as well as its remembered properties.
           * @instance
           */
          getSaveObject: function() {
  
            var toReturn = this.load;
  
            toReturn.closed = this.closed;
  
            // Am I remembering any values?
            if (this.__rememberedObjects.length > 0) {
  
              toReturn.preset = this.preset;
  
              if (!toReturn.remembered) {
                toReturn.remembered = {};
              }
  
              toReturn.remembered[this.preset] = getCurrentPreset(this);
  
            }
  
            toReturn.folders = {};
            common.each(this.__folders, function(element, key) {
              toReturn.folders[key] = element.getSaveObject();
            });
  
            return toReturn;
  
          },
  
          save: function() {
  
            if (!this.load.remembered) {
              this.load.remembered = {};
            }
  
            this.load.remembered[this.preset] = getCurrentPreset(this);
            markPresetModified(this, false);
            this.saveToLocalStorageIfPossible();
  
          },
  
          saveAs: function(presetName) {
  
            if (!this.load.remembered) {
  
              // Retain default values upon first save
              this.load.remembered = {};
              this.load.remembered[DEFAULT_DEFAULT_PRESET_NAME] = getCurrentPreset(this, true);
  
            }
  
            this.load.remembered[presetName] = getCurrentPreset(this);
            this.preset = presetName;
            addPresetOption(this, presetName, true);
            this.saveToLocalStorageIfPossible();
  
          },
  
          revert: function(gui) {
  
            common.each(this.__controllers, function(controller) {
              // Make revert work on Default.
              if (!this.getRoot().load.remembered) {
                controller.setValue(controller.initialValue);
              } else {
                recallSavedValue(gui || this.getRoot(), controller);
              }
            }, this);
  
            common.each(this.__folders, function(folder) {
              folder.revert(folder);
            });
  
            if (!gui) {
              markPresetModified(this.getRoot(), false);
            }
  
  
          },
  
          listen: function(controller) {
  
            var init = this.__listening.length == 0;
            this.__listening.push(controller);
            if (init) updateDisplays(this.__listening);
  
          }
  
        }
  
    );
  
    function add(gui, object, property, params) {
  
      if (object[property] === undefined) {
        throw new Error("Object " + object + " has no property \"" + property + "\"");
      }
  
      var controller;
  
      if (params.color) {
  
        controller = new ColorController(object, property);
  
      } else {
  
        var factoryArgs = [object,property].concat(params.factoryArgs);
        controller = controllerFactory.apply(gui, factoryArgs);
  
      }
  
      if (params.before instanceof Controller) {
        params.before = params.before.__li;
      }
  
      recallSavedValue(gui, controller);
  
      dom.addClass(controller.domElement, 'c');
  
      var name = document.createElement('span');
      dom.addClass(name, 'property-name');
      name.innerHTML = controller.property;
  
      var container = document.createElement('div');
      container.appendChild(name);
      container.appendChild(controller.domElement);
  
      var li = addRow(gui, container, params.before);
  
      dom.addClass(li, GUI.CLASS_CONTROLLER_ROW);
      dom.addClass(li, typeof controller.getValue());
  
      augmentController(gui, li, controller);
  
      gui.__controllers.push(controller);
  
      return controller;
  
    }
  
    /**
     * Add a row to the end of the GUI or before another row.
     *
     * @param gui
     * @param [dom] If specified, inserts the dom content in the new row
     * @param [liBefore] If specified, places the new row before another row
     */
    function addRow(gui, dom, liBefore) {
      var li = document.createElement('li');
      if (dom) li.appendChild(dom);
      if (liBefore) {
        gui.__ul.insertBefore(li, params.before);
      } else {
        gui.__ul.appendChild(li);
      }
      gui.onResize();
      return li;
    }
  
    function augmentController(gui, li, controller) {
  
      controller.__li = li;
      controller.__gui = gui;
  
      common.extend(controller, {
  
        options: function(options) {
  
          if (arguments.length > 1) {
            controller.remove();
  
            return add(
                gui,
                controller.object,
                controller.property,
                {
                  before: controller.__li.nextElementSibling,
                  factoryArgs: [common.toArray(arguments)]
                }
            );
  
          }
  
          if (common.isArray(options) || common.isObject(options)) {
            controller.remove();
  
            return add(
                gui,
                controller.object,
                controller.property,
                {
                  before: controller.__li.nextElementSibling,
                  factoryArgs: [options]
                }
            );
  
          }
  
        },
  
        name: function(v) {
          controller.__li.firstElementChild.firstElementChild.innerHTML = v;
          return controller;
        },
  
        listen: function() {
          controller.__gui.listen(controller);
          return controller;
        },
  
        remove: function() {
          controller.__gui.remove(controller);
          return controller;
        }
  
      });
  
      // All sliders should be accompanied by a box.
      if (controller instanceof NumberControllerSlider) {
  
        var box = new NumberControllerBox(controller.object, controller.property,
            { min: controller.__min, max: controller.__max, step: controller.__step });
  
        common.each(['updateDisplay', 'onChange', 'onFinishChange'], function(method) {
          var pc = controller[method];
          var pb = box[method];
          controller[method] = box[method] = function() {
            var args = Array.prototype.slice.call(arguments);
            pc.apply(controller, args);
            return pb.apply(box, args);
          }
        });
  
        dom.addClass(li, 'has-slider');
        controller.domElement.insertBefore(box.domElement, controller.domElement.firstElementChild);
  
      }
      else if (controller instanceof NumberControllerBox) {
  
        var r = function(returned) {
  
          // Have we defined both boundaries?
          if (common.isNumber(controller.__min) && common.isNumber(controller.__max)) {
  
            // Well, then lets just replace this with a slider.
            controller.remove();
            return add(
                gui,
                controller.object,
                controller.property,
                {
                  before: controller.__li.nextElementSibling,
                  factoryArgs: [controller.__min, controller.__max, controller.__step]
                });
  
          }
  
          return returned;
  
        };
  
        controller.min = common.compose(r, controller.min);
        controller.max = common.compose(r, controller.max);
  
      }
      else if (controller instanceof BooleanController) {
  
        dom.bind(li, 'click', function() {
          dom.fakeEvent(controller.__checkbox, 'click');
        });
  
        dom.bind(controller.__checkbox, 'click', function(e) {
          e.stopPropagation(); // Prevents double-toggle
        })
  
      }
      else if (controller instanceof FunctionController) {
  
        dom.bind(li, 'click', function() {
          dom.fakeEvent(controller.__button, 'click');
        });
  
        dom.bind(li, 'mouseover', function() {
          dom.addClass(controller.__button, 'hover');
        });
  
        dom.bind(li, 'mouseout', function() {
          dom.removeClass(controller.__button, 'hover');
        });
  
      }
      else if (controller instanceof ColorController) {
  
        dom.addClass(li, 'color');
        controller.updateDisplay = common.compose(function(r) {
          li.style.borderLeftColor = controller.__color.toString();
          return r;
        }, controller.updateDisplay);
  
        controller.updateDisplay();
  
      }
  
      controller.setValue = common.compose(function(r) {
        if (gui.getRoot().__preset_select && controller.isModified()) {
          markPresetModified(gui.getRoot(), true);
        }
        return r;
      }, controller.setValue);
  
    }
  
    function recallSavedValue(gui, controller) {
  
      // Find the topmost GUI, that's where remembered objects live.
      var root = gui.getRoot();
  
      // Does the object we're controlling match anything we've been told to
      // remember?
      var matched_index = root.__rememberedObjects.indexOf(controller.object);
  
      // Why yes, it does!
      if (matched_index != -1) {
  
        // Let me fetch a map of controllers for thcommon.isObject.
        var controller_map =
            root.__rememberedObjectIndecesToControllers[matched_index];
  
        // Ohp, I believe this is the first controller we've created for this
        // object. Lets make the map fresh.
        if (controller_map === undefined) {
          controller_map = {};
          root.__rememberedObjectIndecesToControllers[matched_index] =
              controller_map;
        }
  
        // Keep track of this controller
        controller_map[controller.property] = controller;
  
        // Okay, now have we saved any values for this controller?
        if (root.load && root.load.remembered) {
  
          var preset_map = root.load.remembered;
  
          // Which preset are we trying to load?
          var preset;
  
          if (preset_map[gui.preset]) {
  
            preset = preset_map[gui.preset];
  
          } else if (preset_map[DEFAULT_DEFAULT_PRESET_NAME]) {
  
            // Uhh, you can have the default instead?
            preset = preset_map[DEFAULT_DEFAULT_PRESET_NAME];
  
          } else {
  
            // Nada.
  
            return;
  
          }
  
  
          // Did the loaded object remember thcommon.isObject?
          if (preset[matched_index] &&
  
            // Did we remember this particular property?
              preset[matched_index][controller.property] !== undefined) {
  
            // We did remember something for this guy ...
            var value = preset[matched_index][controller.property];
  
            // And that's what it is.
            controller.initialValue = value;
            controller.setValue(value);
  
          }
  
        }
  
      }
  
    }
  
    function getLocalStorageHash(gui, key) {
      // TODO how does this deal with multiple GUI's?
      return document.location.href + '.' + key;
  
    }
  
    function addSaveMenu(gui) {
  
      var div = gui.__save_row = document.createElement('li');
  
      dom.addClass(gui.domElement, 'has-save');
  
      gui.__ul.insertBefore(div, gui.__ul.firstChild);
  
      dom.addClass(div, 'save-row');
  
      var gears = document.createElement('span');
      gears.innerHTML = '&nbsp;';
      dom.addClass(gears, 'button gears');
  
      // TODO replace with FunctionController
      var button = document.createElement('span');
      button.innerHTML = 'Save';
      dom.addClass(button, 'button');
      dom.addClass(button, 'save');
  
      var button2 = document.createElement('span');
      button2.innerHTML = 'New';
      dom.addClass(button2, 'button');
      dom.addClass(button2, 'save-as');
  
      var button3 = document.createElement('span');
      button3.innerHTML = 'Revert';
      dom.addClass(button3, 'button');
      dom.addClass(button3, 'revert');
  
      var select = gui.__preset_select = document.createElement('select');
  
      if (gui.load && gui.load.remembered) {
  
        common.each(gui.load.remembered, function(value, key) {
          addPresetOption(gui, key, key == gui.preset);
        });
  
      } else {
        addPresetOption(gui, DEFAULT_DEFAULT_PRESET_NAME, false);
      }
  
      dom.bind(select, 'change', function() {
  
  
        for (var index = 0; index < gui.__preset_select.length; index++) {
          gui.__preset_select[index].innerHTML = gui.__preset_select[index].value;
        }
  
        gui.preset = this.value;
  
      });
  
      div.appendChild(select);
      div.appendChild(gears);
      div.appendChild(button);
      div.appendChild(button2);
      div.appendChild(button3);
  
      if (SUPPORTS_LOCAL_STORAGE) {
  
        var saveLocally = document.getElementById('dg-save-locally');
        var explain = document.getElementById('dg-local-explain');
  
        saveLocally.style.display = 'block';
  
        var localStorageCheckBox = document.getElementById('dg-local-storage');
  
        if (localStorage.getItem(getLocalStorageHash(gui, 'isLocal')) === 'true') {
          localStorageCheckBox.setAttribute('checked', 'checked');
        }
  
        function showHideExplain() {
          explain.style.display = gui.useLocalStorage ? 'block' : 'none';
        }
  
        showHideExplain();
  
        // TODO: Use a boolean controller, fool!
        dom.bind(localStorageCheckBox, 'change', function() {
          gui.useLocalStorage = !gui.useLocalStorage;
          showHideExplain();
        });
  
      }
  
      var newConstructorTextArea = document.getElementById('dg-new-constructor');
  
      dom.bind(newConstructorTextArea, 'keydown', function(e) {
        if (e.metaKey && (e.which === 67 || e.keyCode == 67)) {
          SAVE_DIALOGUE.hide();
        }
      });
  
      dom.bind(gears, 'click', function() {
        newConstructorTextArea.innerHTML = JSON.stringify(gui.getSaveObject(), undefined, 2);
        SAVE_DIALOGUE.show();
        newConstructorTextArea.focus();
        newConstructorTextArea.select();
      });
  
      dom.bind(button, 'click', function() {
        gui.save();
      });
  
      dom.bind(button2, 'click', function() {
        var presetName = prompt('Enter a new preset name.');
        if (presetName) gui.saveAs(presetName);
      });
  
      dom.bind(button3, 'click', function() {
        gui.revert();
      });
  
  //    div.appendChild(button2);
  
    }
  
    function addResizeHandle(gui) {
  
      gui.__resize_handle = document.createElement('div');
  
      common.extend(gui.__resize_handle.style, {
  
        width: '6px',
        marginLeft: '-3px',
        height: '200px',
        cursor: 'ew-resize',
        position: 'absolute'
  //      border: '1px solid blue'
  
      });
  
      var pmouseX;
  
      dom.bind(gui.__resize_handle, 'mousedown', dragStart);
      dom.bind(gui.__closeButton, 'mousedown', dragStart);
  
      gui.domElement.insertBefore(gui.__resize_handle, gui.domElement.firstElementChild);
  
      function dragStart(e) {
  
        e.preventDefault();
  
        pmouseX = e.clientX;
  
        dom.addClass(gui.__closeButton, GUI.CLASS_DRAG);
        dom.bind(window, 'mousemove', drag);
        dom.bind(window, 'mouseup', dragStop);
  
        return false;
  
      }
  
      function drag(e) {
  
        e.preventDefault();
  
        gui.width += pmouseX - e.clientX;
        gui.onResize();
        pmouseX = e.clientX;
  
        return false;
  
      }
  
      function dragStop() {
  
        dom.removeClass(gui.__closeButton, GUI.CLASS_DRAG);
        dom.unbind(window, 'mousemove', drag);
        dom.unbind(window, 'mouseup', dragStop);
  
      }
  
    }
  
    function setWidth(gui, w) {
      gui.domElement.style.width = w + 'px';
      // Auto placed save-rows are position fixed, so we have to
      // set the width manually if we want it to bleed to the edge
      if (gui.__save_row && gui.autoPlace) {
        gui.__save_row.style.width = w + 'px';
      }if (gui.__closeButton) {
        gui.__closeButton.style.width = w + 'px';
      }
    }
  
    function getCurrentPreset(gui, useInitialValues) {
  
      var toReturn = {};
  
      // For each object I'm remembering
      common.each(gui.__rememberedObjects, function(val, index) {
  
        var saved_values = {};
  
        // The controllers I've made for thcommon.isObject by property
        var controller_map =
            gui.__rememberedObjectIndecesToControllers[index];
  
        // Remember each value for each property
        common.each(controller_map, function(controller, property) {
          saved_values[property] = useInitialValues ? controller.initialValue : controller.getValue();
        });
  
        // Save the values for thcommon.isObject
        toReturn[index] = saved_values;
  
      });
  
      return toReturn;
  
    }
  
    function addPresetOption(gui, name, setSelected) {
      var opt = document.createElement('option');
      opt.innerHTML = name;
      opt.value = name;
      gui.__preset_select.appendChild(opt);
      if (setSelected) {
        gui.__preset_select.selectedIndex = gui.__preset_select.length - 1;
      }
    }
  
    function setPresetSelectIndex(gui) {
      for (var index = 0; index < gui.__preset_select.length; index++) {
        if (gui.__preset_select[index].value == gui.preset) {
          gui.__preset_select.selectedIndex = index;
        }
      }
    }
  
    function markPresetModified(gui, modified) {
      var opt = gui.__preset_select[gui.__preset_select.selectedIndex];
  //    console.log('mark', modified, opt);
      if (modified) {
        opt.innerHTML = opt.value + "*";
      } else {
        opt.innerHTML = opt.value;
      }
    }
  
    function updateDisplays(controllerArray) {
  
  
      if (controllerArray.length != 0) {
  
        requestAnimationFrame(function() {
          updateDisplays(controllerArray);
        });
  
      }
  
      common.each(controllerArray, function(c) {
        c.updateDisplay();
      });
  
    }
  
    return GUI;
  
  })(dat.utils.css,
  "<div id=\"dg-save\" class=\"dg dialogue\">\n\n  Here's the new load parameter for your <code>GUI</code>'s constructor:\n\n  <textarea id=\"dg-new-constructor\"></textarea>\n\n  <div id=\"dg-save-locally\">\n\n    <input id=\"dg-local-storage\" type=\"checkbox\"/> Automatically save\n    values to <code>localStorage</code> on exit.\n\n    <div id=\"dg-local-explain\">The values saved to <code>localStorage</code> will\n      override those passed to <code>dat.GUI</code>'s constructor. This makes it\n      easier to work incrementally, but <code>localStorage</code> is fragile,\n      and your friends may not see the same values you do.\n      \n    </div>\n    \n  </div>\n\n</div>",
  ".dg {\n  /** Clear list styles */\n  /* Auto-place container */\n  /* Auto-placed GUI's */\n  /* Line items that don't contain folders. */\n  /** Folder names */\n  /** Hides closed items */\n  /** Controller row */\n  /** Name-half (left) */\n  /** Controller-half (right) */\n  /** Controller placement */\n  /** Shorter number boxes when slider is present. */\n  /** Ensure the entire boolean and function row shows a hand */ }\n  .dg ul {\n    list-style: none;\n    margin: 0;\n    padding: 0;\n    width: 100%;\n    clear: both; }\n  .dg.ac {\n    position: fixed;\n    top: 0;\n    left: 0;\n    right: 0;\n    height: 0;\n    z-index: 0; }\n  .dg:not(.ac) .main {\n    /** Exclude mains in ac so that we don't hide close button */\n    overflow: hidden; }\n  .dg.main {\n    -webkit-transition: opacity 0.1s linear;\n    -o-transition: opacity 0.1s linear;\n    -moz-transition: opacity 0.1s linear;\n    transition: opacity 0.1s linear; }\n    .dg.main.taller-than-window {\n      overflow-y: auto; }\n      .dg.main.taller-than-window .close-button {\n        opacity: 1;\n        /* TODO, these are style notes */\n        margin-top: -1px;\n        border-top: 1px solid #2c2c2c; }\n    .dg.main ul.closed .close-button {\n      opacity: 1 !important; }\n    .dg.main:hover .close-button,\n    .dg.main .close-button.drag {\n      opacity: 1; }\n    .dg.main .close-button {\n      /*opacity: 0;*/\n      -webkit-transition: opacity 0.1s linear;\n      -o-transition: opacity 0.1s linear;\n      -moz-transition: opacity 0.1s linear;\n      transition: opacity 0.1s linear;\n      border: 0;\n      position: absolute;\n      line-height: 19px;\n      height: 20px;\n      /* TODO, these are style notes */\n      cursor: pointer;\n      text-align: center;\n      background-color: #000; }\n      .dg.main .close-button:hover {\n        background-color: #111; }\n  .dg.a {\n    float: right;\n    margin-right: 15px;\n    overflow-x: hidden; }\n    .dg.a.has-save > ul {\n      margin-top: 27px; }\n      .dg.a.has-save > ul.closed {\n        margin-top: 0; }\n    .dg.a .save-row {\n      position: fixed;\n      top: 0;\n      z-index: 1002; }\n  .dg li {\n    -webkit-transition: height 0.1s ease-out;\n    -o-transition: height 0.1s ease-out;\n    -moz-transition: height 0.1s ease-out;\n    transition: height 0.1s ease-out; }\n  .dg li:not(.folder) {\n    cursor: auto;\n    height: 27px;\n    line-height: 27px;\n    overflow: hidden;\n    padding: 0 4px 0 5px; }\n  .dg li.folder {\n    padding: 0;\n    border-left: 4px solid rgba(0, 0, 0, 0); }\n  .dg li.title {\n    cursor: pointer;\n    margin-left: -4px; }\n  .dg .closed li:not(.title),\n  .dg .closed ul li,\n  .dg .closed ul li > * {\n    height: 0;\n    overflow: hidden;\n    border: 0; }\n  .dg .cr {\n    clear: both;\n    padding-left: 3px;\n    height: 27px; }\n  .dg .property-name {\n    cursor: default;\n    float: left;\n    clear: left;\n    width: 40%;\n    overflow: hidden;\n    text-overflow: ellipsis; }\n  .dg .c {\n    float: left;\n    width: 60%; }\n  .dg .c input[type=text] {\n    border: 0;\n    margin-top: 4px;\n    padding: 3px;\n    width: 100%;\n    float: right; }\n  .dg .has-slider input[type=text] {\n    width: 30%;\n    /*display: none;*/\n    margin-left: 0; }\n  .dg .slider {\n    float: left;\n    width: 66%;\n    margin-left: -5px;\n    margin-right: 0;\n    height: 19px;\n    margin-top: 4px; }\n  .dg .slider-fg {\n    height: 100%; }\n  .dg .c input[type=checkbox] {\n    margin-top: 9px; }\n  .dg .c select {\n    margin-top: 5px; }\n  .dg .cr.function,\n  .dg .cr.function .property-name,\n  .dg .cr.function *,\n  .dg .cr.boolean,\n  .dg .cr.boolean * {\n    cursor: pointer; }\n  .dg .selector {\n    display: none;\n    position: absolute;\n    margin-left: -9px;\n    margin-top: 23px;\n    z-index: 10; }\n  .dg .c:hover .selector,\n  .dg .selector.drag {\n    display: block; }\n  .dg li.save-row {\n    padding: 0; }\n    .dg li.save-row .button {\n      display: inline-block;\n      padding: 0px 6px; }\n  .dg.dialogue {\n    background-color: #222;\n    
  dat.controllers.factory = (function (OptionController, NumberControllerBox, NumberControllerSlider, StringController, FunctionController, BooleanController, common) {
  
        return function(object, property) {
  
          var initialValue = object[property];
  
          // Providing options?
          if (common.isArray(arguments[2]) || common.isObject(arguments[2])) {
            return new OptionController(object, property, arguments[2]);
          }
  
          // Providing a map?
  
          if (common.isNumber(initialValue)) {
  
            if (common.isNumber(arguments[2]) && common.isNumber(arguments[3])) {
  
              // Has min and max.
              return new NumberControllerSlider(object, property, arguments[2], arguments[3]);
  
            } else {
  
              return new NumberControllerBox(object, property, { min: arguments[2], max: arguments[3] });
  
            }
  
          }
  
          if (common.isString(initialValue)) {
            return new StringController(object, property);
          }
  
          if (common.isFunction(initialValue)) {
            return new FunctionController(object, property, '');
          }
  
          if (common.isBoolean(initialValue)) {
            return new BooleanController(object, property);
          }
  
        }
  
      })(dat.controllers.OptionController,
  dat.controllers.NumberControllerBox,
  dat.controllers.NumberControllerSlider,
  dat.controllers.StringController = (function (Controller, dom, common) {
  
    /**
     * @class Provides a text input to alter the string property of an object.
     *
     * @extends dat.controllers.Controller
     *
     * @param {Object} object The object to be manipulated
     * @param {string} property The name of the property to be manipulated
     *
     * @member dat.controllers
     */
    var StringController = function(object, property) {
  
      StringController.superclass.call(this, object, property);
  
      var _this = this;
  
      this.__input = document.createElement('input');
      this.__input.setAttribute('type', 'text');
  
      dom.bind(this.__input, 'keyup', onChange);
      dom.bind(this.__input, 'change', onChange);
      dom.bind(this.__input, 'blur', onBlur);
      dom.bind(this.__input, 'keydown', function(e) {
        if (e.keyCode === 13) {
          this.blur();
        }
      });
      
  
      function onChange() {
        _this.setValue(_this.__input.value);
      }
  
      function onBlur() {
        if (_this.__onFinishChange) {
          _this.__onFinishChange.call(_this, _this.getValue());
        }
      }
  
      this.updateDisplay();
  
      this.domElement.appendChild(this.__input);
  
    };
  
    StringController.superclass = Controller;
  
    common.extend(
  
        StringController.prototype,
        Controller.prototype,
  
        {
  
          updateDisplay: function() {
            // Stops the caret from moving on account of:
            // keyup -> setValue -> updateDisplay
            if (!dom.isActive(this.__input)) {
              this.__input.value = this.getValue();
            }
            return StringController.superclass.prototype.updateDisplay.call(this);
          }
  
        }
  
    );
  
    return StringController;
  
  })(dat.controllers.Controller,
  dat.dom.dom,
  dat.utils.common),
  dat.controllers.FunctionController,
  dat.controllers.BooleanController,
  dat.utils.common),
  dat.controllers.Controller,
  dat.controllers.BooleanController,
  dat.controllers.FunctionController,
  dat.controllers.NumberControllerBox,
  dat.controllers.NumberControllerSlider,
  dat.controllers.OptionController,
  dat.controllers.ColorController = (function (Controller, dom, Color, interpret, common) {
  
    var ColorController = function(object, property) {
  
      ColorController.superclass.call(this, object, property);
  
      this.__color = new Color(this.getValue());
      this.__temp = new Color(0);
  
      var _this = this;
  
      this.domElement = document.createElement('div');
  
      dom.makeSelectable(this.domElement, false);
  
      this.__selector = document.createElement('div');
      this.__selector.className = 'selector';
  
      this.__saturation_field = document.createElement('div');
      this.__saturation_field.className = 'saturation-field';
  
      this.__field_knob = document.createElement('div');
      this.__field_knob.className = 'field-knob';
      this.__field_knob_border = '2px solid ';
  
      this.__hue_knob = document.createElement('div');
      this.__hue_knob.className = 'hue-knob';
  
      this.__hue_field = document.createElement('div');
      this.__hue_field.className = 'hue-field';
  
      this.__input = document.createElement('input');
      this.__input.type = 'text';
      this.__input_textShadow = '0 1px 1px ';
  
      dom.bind(this.__input, 'keydown', function(e) {
        if (e.keyCode === 13) { // on enter
          onBlur.call(this);
        }
      });
  
      dom.bind(this.__input, 'blur', onBlur);
  
      dom.bind(this.__selector, 'mousedown', function(e) {
  
        dom
          .addClass(this, 'drag')
          .bind(window, 'mouseup', function(e) {
            dom.removeClass(_this.__selector, 'drag');
          });
  
      });
  
      var value_field = document.createElement('div');
  
      common.extend(this.__selector.style, {
        width: '122px',
        height: '102px',
        padding: '3px',
        backgroundColor: '#222',
        boxShadow: '0px 1px 3px rgba(0,0,0,0.3)'
      });
  
      common.extend(this.__field_knob.style, {
        position: 'absolute',
        width: '12px',
        height: '12px',
        border: this.__field_knob_border + (this.__color.v < .5 ? '#fff' : '#000'),
        boxShadow: '0px 1px 3px rgba(0,0,0,0.5)',
        borderRadius: '12px',
        zIndex: 1
      });
      
      common.extend(this.__hue_knob.style, {
        position: 'absolute',
        width: '15px',
        height: '2px',
        borderRight: '4px solid #fff',
        zIndex: 1
      });
  
      common.extend(this.__saturation_field.style, {
        width: '100px',
        height: '100px',
        border: '1px solid #555',
        marginRight: '3px',
        display: 'inline-block',
        cursor: 'pointer'
      });
  
      common.extend(value_field.style, {
        width: '100%',
        height: '100%',
        background: 'none'
      });
      
      linearGradient(value_field, 'top', 'rgba(0,0,0,0)', '#000');
  
      common.extend(this.__hue_field.style, {
        width: '15px',
        height: '100px',
        display: 'inline-block',
        border: '1px solid #555',
        cursor: 'ns-resize'
      });
  
      hueGradient(this.__hue_field);
  
      common.extend(this.__input.style, {
        outline: 'none',
  //      width: '120px',
        textAlign: 'center',
  //      padding: '4px',
  //      marginBottom: '6px',
        color: '#fff',
        border: 0,
        fontWeight: 'bold',
        textShadow: this.__input_textShadow + 'rgba(0,0,0,0.7)'
      });
  
      dom.bind(this.__saturation_field, 'mousedown', fieldDown);
      dom.bind(this.__field_knob, 'mousedown', fieldDown);
  
      dom.bind(this.__hue_field, 'mousedown', function(e) {
        setH(e);
        dom.bind(window, 'mousemove', setH);
        dom.bind(window, 'mouseup', unbindH);
      });
  
      function fieldDown(e) {
        setSV(e);
        // document.body.style.cursor = 'none';
        dom.bind(window, 'mousemove', setSV);
        dom.bind(window, 'mouseup', unbindSV);
      }
  
      function unbindSV() {
        dom.unbind(window, 'mousemove', setSV);
        dom.unbind(window, 'mouseup', unbindSV);
        // document.body.style.cursor = 'default';
      }
  
      function onBlur() {
        var i = interpret(this.value);
        if (i !== false) {
          _this.__color.__state = i;
          _this.setValue(_this.__color.toOriginal());
        } else {
          this.value = _this.__color.toString();
        }
      }
  
      function unbindH() {
        dom.unbind(window, 'mousemove', setH);
        dom.unbind(window, 'mouseup', unbindH);
      }
  
      this.__saturation_field.appendChild(value_field);
      this.__selector.appendChild(this.__field_knob);
      this.__selector.appendChild(this.__saturation_field);
      this.__selector.appendChild(this.__hue_field);
      this.__hue_field.appendChild(this.__hue_knob);
  
      this.domElement.appendChild(this.__input);
      this.domElement.appendChild(this.__selector);
  
      this.updateDisplay();
  
      function setSV(e) {
  
        e.preventDefault();
  
        var w = dom.getWidth(_this.__saturation_field);
        var o = dom.getOffset(_this.__saturation_field);
        var s = (e.clientX - o.left + document.body.scrollLeft) / w;
        var v = 1 - (e.clientY - o.top + document.body.scrollTop) / w;
  
        if (v > 1) v = 1;
        else if (v < 0) v = 0;
  
        if (s > 1) s = 1;
        else if (s < 0) s = 0;
  
        _this.__color.v = v;
        _this.__color.s = s;
  
        _this.setValue(_this.__color.toOriginal());
  
  
        return false;
  
      }
  
      function setH(e) {
  
        e.preventDefault();
  
        var s = dom.getHeight(_this.__hue_field);
        var o = dom.getOffset(_this.__hue_field);
        var h = 1 - (e.clientY - o.top + document.body.scrollTop) / s;
  
        if (h > 1) h = 1;
        else if (h < 0) h = 0;
  
        _this.__color.h = h * 360;
  
        _this.setValue(_this.__color.toOriginal());
  
        return false;
  
      }
  
    };
  
    ColorController.superclass = Controller;
  
    common.extend(
  
        ColorController.prototype,
        Controller.prototype,
  
        {
  
          updateDisplay: function() {
  
            var i = interpret(this.getValue());
  
            if (i !== false) {
  
              var mismatch = false;
  
              // Check for mismatch on the interpreted value.
  
              common.each(Color.COMPONENTS, function(component) {
                if (!common.isUndefined(i[component]) &&
                    !common.isUndefined(this.__color.__state[component]) &&
                    i[component] !== this.__color.__state[component]) {
                  mismatch = true;
                  return {}; // break
                }
              }, this);
  
              // If nothing diverges, we keep our previous values
              // for statefulness, otherwise we recalculate fresh
              if (mismatch) {
                common.extend(this.__color.__state, i);
              }
  
            }
  
            common.extend(this.__temp.__state, this.__color.__state);
  
            this.__temp.a = 1;
  
            var flip = (this.__color.v < .5 || this.__color.s > .5) ? 255 : 0;
            var _flip = 255 - flip;
  
            common.extend(this.__field_knob.style, {
              marginLeft: 100 * this.__color.s - 7 + 'px',
              marginTop: 100 * (1 - this.__color.v) - 7 + 'px',
              backgroundColor: this.__temp.toString(),
              border: this.__field_knob_border + 'rgb(' + flip + ',' + flip + ',' + flip +')'
            });
  
            this.__hue_knob.style.marginTop = (1 - this.__color.h / 360) * 100 + 'px'
  
            this.__temp.s = 1;
            this.__temp.v = 1;
  
            linearGradient(this.__saturation_field, 'left', '#fff', this.__temp.toString());
  
            common.extend(this.__input.style, {
              backgroundColor: this.__input.value = this.__color.toString(),
              color: 'rgb(' + flip + ',' + flip + ',' + flip +')',
              textShadow: this.__input_textShadow + 'rgba(' + _flip + ',' + _flip + ',' + _flip +',.7)'
            });
  
          }
  
        }
  
    );
    
    var vendors = ['-moz-','-o-','-webkit-','-ms-',''];
    
    function linearGradient(elem, x, a, b) {
      elem.style.background = '';
      common.each(vendors, function(vendor) {
        elem.style.cssText += 'background: ' + vendor + 'linear-gradient('+x+', '+a+' 0%, ' + b + ' 100%); ';
      });
    }
    
    function hueGradient(elem) {
      elem.style.background = '';
      elem.style.cssText += 'background: -moz-linear-gradient(top,  #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);'
      elem.style.cssText += 'background: -webkit-linear-gradient(top,  #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'
      elem.style.cssText += 'background: -o-linear-gradient(top,  #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'
      elem.style.cssText += 'background: -ms-linear-gradient(top,  #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'
      elem.style.cssText += 'background: linear-gradient(top,  #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);'
    }
  
  
    return ColorController;
  
  })(dat.controllers.Controller,
  dat.dom.dom,
  dat.color.Color = (function (interpret, math, toString, common) {
  
    var Color = function() {
  
      this.__state = interpret.apply(this, arguments);
  
      if (this.__state === false) {
        throw 'Failed to interpret color arguments';
      }
  
      this.__state.a = this.__state.a || 1;
  
  
    };
  
    Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];
  
    common.extend(Color.prototype, {
  
      toString: function() {
        return toString(this);
      },
  
      toOriginal: function() {
        return this.__state.conversion.write(this);
      }
  
    });
  
    defineRGBComponent(Color.prototype, 'r', 2);
    defineRGBComponent(Color.prototype, 'g', 1);
    defineRGBComponent(Color.prototype, 'b', 0);
  
    defineHSVComponent(Color.prototype, 'h');
    defineHSVComponent(Color.prototype, 's');
    defineHSVComponent(Color.prototype, 'v');
  
    Object.defineProperty(Color.prototype, 'a', {
  
      get: function() {
        return this.__state.a;
      },
  
      set: function(v) {
        this.__state.a = v;
      }
  
    });
  
    Object.defineProperty(Color.prototype, 'hex', {
  
      get: function() {
  
        if (!this.__state.space !== 'HEX') {
          this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);
        }
  
        return this.__state.hex;
  
      },
  
      set: function(v) {
  
        this.__state.space = 'HEX';
        this.__state.hex = v;
  
      }
  
    });
  
    function defineRGBComponent(target, component, componentHexIndex) {
  
      Object.defineProperty(target, component, {
  
        get: function() {
  
          if (this.__state.space === 'RGB') {
            return this.__state[component];
          }
  
          recalculateRGB(this, component, componentHexIndex);
  
          return this.__state[component];
  
        },
  
        set: function(v) {
  
          if (this.__state.space !== 'RGB') {
            recalculateRGB(this, component, componentHexIndex);
            this.__state.space = 'RGB';
          }
  
          this.__state[component] = v;
  
        }
  
      });
  
    }
  
    function defineHSVComponent(target, component) {
  
      Object.defineProperty(target, component, {
  
        get: function() {
  
          if (this.__state.space === 'HSV')
            return this.__state[component];
  
          recalculateHSV(this);
  
          return this.__state[component];
  
        },
  
        set: function(v) {
  
          if (this.__state.space !== 'HSV') {
            recalculateHSV(this);
            this.__state.space = 'HSV';
          }
  
          this.__state[component] = v;
  
        }
  
      });
  
    }
  
    function recalculateRGB(color, component, componentHexIndex) {
  
      if (color.__state.space === 'HEX') {
  
        color.__state[component] = math.component_from_hex(color.__state.hex, componentHexIndex);
  
      } else if (color.__state.space === 'HSV') {
  
        common.extend(color.__state, math.hsv_to_rgb(color.__state.h, color.__state.s, color.__state.v));
  
      } else {
  
        throw 'Corrupted color state';
  
      }
  
    }
  
    function recalculateHSV(color) {
  
      var result = math.rgb_to_hsv(color.r, color.g, color.b);
  
      common.extend(color.__state,
          {
            s: result.s,
            v: result.v
          }
      );
  
      if (!common.isNaN(result.h)) {
        color.__state.h = result.h;
      } else if (common.isUndefined(color.__state.h)) {
        color.__state.h = 0;
      }
  
    }
  
    return Color;
  
  })(dat.color.interpret,
  dat.color.math = (function () {
  
    var tmpComponent;
  
    return {
  
      hsv_to_rgb: function(h, s, v) {
  
        var hi = Math.floor(h / 60) % 6;
  
        var f = h / 60 - Math.floor(h / 60);
        var p = v * (1.0 - s);
        var q = v * (1.0 - (f * s));
        var t = v * (1.0 - ((1.0 - f) * s));
        var c = [
          [v, t, p],
          [q, v, p],
          [p, v, t],
          [p, q, v],
          [t, p, v],
          [v, p, q]
        ][hi];
  
        return {
          r: c[0] * 255,
          g: c[1] * 255,
          b: c[2] * 255
        };
  
      },
  
      rgb_to_hsv: function(r, g, b) {
  
        var min = Math.min(r, g, b),
            max = Math.max(r, g, b),
            delta = max - min,
            h, s;
  
        if (max != 0) {
          s = delta / max;
        } else {
          return {
            h: NaN,
            s: 0,
            v: 0
          };
        }
  
        if (r == max) {
          h = (g - b) / delta;
        } else if (g == max) {
          h = 2 + (b - r) / delta;
        } else {
          h = 4 + (r - g) / delta;
        }
        h /= 6;
        if (h < 0) {
          h += 1;
        }
  
        return {
          h: h * 360,
          s: s,
          v: max / 255
        };
      },
  
      rgb_to_hex: function(r, g, b) {
        var hex = this.hex_with_component(0, 2, r);
        hex = this.hex_with_component(hex, 1, g);
        hex = this.hex_with_component(hex, 0, b);
        return hex;
      },
  
      component_from_hex: function(hex, componentIndex) {
        return (hex >> (componentIndex * 8)) & 0xFF;
      },
  
      hex_with_component: function(hex, componentIndex, value) {
        return value << (tmpComponent = componentIndex * 8) | (hex & ~ (0xFF << tmpComponent));
      }
  
    }
  
  })(),
  dat.color.toString,
  dat.utils.common),
  dat.color.interpret,
  dat.utils.common),
  dat.utils.requestAnimationFrame = (function () {
  
    /**
     * requirejs version of Paul Irish's RequestAnimationFrame
     * http://paulirish.com/2011/requestanimationframe-for-smart-animating/
     */
  
    return window.webkitRequestAnimationFrame ||
        window.mozRequestAnimationFrame ||
        window.oRequestAnimationFrame ||
        window.msRequestAnimationFrame ||
        function(callback, element) {
  
          window.setTimeout(callback, 1000 / 60);
  
        };
  })(),
  dat.dom.CenteredDiv = (function (dom, common) {
  
  
    var CenteredDiv = function() {
  
      this.backgroundElement = document.createElement('div');
      common.extend(this.backgroundElement.style, {
        backgroundColor: 'rgba(0,0,0,0.8)',
        top: 0,
        left: 0,
        display: 'none',
        zIndex: '1000',
        opacity: 0,
        WebkitTransition: 'opacity 0.2s linear'
      });
  
      dom.makeFullscreen(this.backgroundElement);
      this.backgroundElement.style.position = 'fixed';
  
      this.domElement = document.createElement('div');
      common.extend(this.domElement.style, {
        position: 'fixed',
        display: 'none',
        zIndex: '1001',
        opacity: 0,
        WebkitTransition: '-webkit-transform 0.2s ease-out, opacity 0.2s linear'
      });
  
  
      document.body.appendChild(this.backgroundElement);
      document.body.appendChild(this.domElement);
  
      var _this = this;
      dom.bind(this.backgroundElement, 'click', function() {
        _this.hide();
      });
  
  
    };
  
    CenteredDiv.prototype.show = function() {
  
      var _this = this;
      
  
  
      this.backgroundElement.style.display = 'block';
  
      this.domElement.style.display = 'block';
      this.domElement.style.opacity = 0;
  //    this.domElement.style.top = '52%';
      this.domElement.style.webkitTransform = 'scale(1.1)';
  
      this.layout();
  
      common.defer(function() {
        _this.backgroundElement.style.opacity = 1;
        _this.domElement.style.opacity = 1;
        _this.domElement.style.webkitTransform = 'scale(1)';
      });
  
    };
  
    CenteredDiv.prototype.hide = function() {
  
      var _this = this;
  
      var hide = function() {
  
        _this.domElement.style.display = 'none';
        _this.backgroundElement.style.display = 'none';
  
        dom.unbind(_this.domElement, 'webkitTransitionEnd', hide);
        dom.unbind(_this.domElement, 'transitionend', hide);
        dom.unbind(_this.domElement, 'oTransitionEnd', hide);
  
      };
  
      dom.bind(this.domElement, 'webkitTransitionEnd', hide);
      dom.bind(this.domElement, 'transitionend', hide);
      dom.bind(this.domElement, 'oTransitionEnd', hide);
  
      this.backgroundElement.style.opacity = 0;
  //    this.domElement.style.top = '48%';
      this.domElement.style.opacity = 0;
      this.domElement.style.webkitTransform = 'scale(1.1)';
  
    };
  
    CenteredDiv.prototype.layout = function() {
      this.domElement.style.left = window.innerWidth/2 - dom.getWidth(this.domElement) / 2 + 'px';
      this.domElement.style.top = window.innerHeight/2 - dom.getHeight(this.domElement) / 2 + 'px';
    };
    
    function lockScroll(e) {
      console.log(e);
    }
  
    return CenteredDiv;
  
  })(dat.dom.dom,
  dat.utils.common),
  dat.dom.dom,
  dat.utils.common);
  return dat;
}));