/*!

* Bootstrap Colorpicker v2.5.1
* https://itsjavi.com/bootstrap-colorpicker/
*
* Originally written by (c) 2012 Stefan Petre
* Licensed under the Apache License v2.0
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
*/

(function(root, factory) {

if (typeof define === 'function' && define.amd) {
  // AMD. Register as an anonymous module unless amdModuleId is set
  define(["jquery"], function(jq) {
    return (factory(jq));
  });
} else if (typeof exports === 'object') {
  // Node. Does not work with strict CommonJS, but
  // only CommonJS-like environments that support module.exports,
  // like Node.
  module.exports = factory(require("jquery"));
} else if (jQuery && !jQuery.fn.colorpicker) {
  factory(jQuery);
}

}(this, function($) {

'use strict';
/**
 * Color manipulation helper class
 *
 * @param {Object|String} [val]
 * @param {Object} [predefinedColors]
 * @param {String|null} [fallbackColor]
 * @param {String|null} [fallbackFormat]
 * @param {Boolean} [hexNumberSignPrefix]
 * @constructor
 */
var Color = function(
  val, predefinedColors, fallbackColor, fallbackFormat, hexNumberSignPrefix) {
  this.fallbackValue = fallbackColor ?
    (
      fallbackColor && (typeof fallbackColor.h !== 'undefined') ?
      fallbackColor :
      this.value = {
        h: 0,
        s: 0,
        b: 0,
        a: 1
      }
    ) :
    null;

  this.fallbackFormat = fallbackFormat ? fallbackFormat : 'rgba';

  this.hexNumberSignPrefix = hexNumberSignPrefix === true;

  this.value = this.fallbackValue;

  this.origFormat = null; // original string format

  this.predefinedColors = predefinedColors ? predefinedColors : {};

  // We don't want to share aliases across instances so we extend new object
  this.colors = $.extend({}, Color.webColors, this.predefinedColors);

  if (val) {
    if (typeof val.h !== 'undefined') {
      this.value = val;
    } else {
      this.setColor(String(val));
    }
  }

  if (!this.value) {
    // Initial value is always black if no arguments are passed or val is empty
    this.value = {
      h: 0,
      s: 0,
      b: 0,
      a: 1
    };
  }
};

Color.webColors = { // 140 predefined colors from the HTML Colors spec
  "aliceblue": "f0f8ff",
  "antiquewhite": "faebd7",
  "aqua": "00ffff",
  "aquamarine": "7fffd4",
  "azure": "f0ffff",
  "beige": "f5f5dc",
  "bisque": "ffe4c4",
  "black": "000000",
  "blanchedalmond": "ffebcd",
  "blue": "0000ff",
  "blueviolet": "8a2be2",
  "brown": "a52a2a",
  "burlywood": "deb887",
  "cadetblue": "5f9ea0",
  "chartreuse": "7fff00",
  "chocolate": "d2691e",
  "coral": "ff7f50",
  "cornflowerblue": "6495ed",
  "cornsilk": "fff8dc",
  "crimson": "dc143c",
  "cyan": "00ffff",
  "darkblue": "00008b",
  "darkcyan": "008b8b",
  "darkgoldenrod": "b8860b",
  "darkgray": "a9a9a9",
  "darkgreen": "006400",
  "darkkhaki": "bdb76b",
  "darkmagenta": "8b008b",
  "darkolivegreen": "556b2f",
  "darkorange": "ff8c00",
  "darkorchid": "9932cc",
  "darkred": "8b0000",
  "darksalmon": "e9967a",
  "darkseagreen": "8fbc8f",
  "darkslateblue": "483d8b",
  "darkslategray": "2f4f4f",
  "darkturquoise": "00ced1",
  "darkviolet": "9400d3",
  "deeppink": "ff1493",
  "deepskyblue": "00bfff",
  "dimgray": "696969",
  "dodgerblue": "1e90ff",
  "firebrick": "b22222",
  "floralwhite": "fffaf0",
  "forestgreen": "228b22",
  "fuchsia": "ff00ff",
  "gainsboro": "dcdcdc",
  "ghostwhite": "f8f8ff",
  "gold": "ffd700",
  "goldenrod": "daa520",
  "gray": "808080",
  "green": "008000",
  "greenyellow": "adff2f",
  "honeydew": "f0fff0",
  "hotpink": "ff69b4",
  "indianred": "cd5c5c",
  "indigo": "4b0082",
  "ivory": "fffff0",
  "khaki": "f0e68c",
  "lavender": "e6e6fa",
  "lavenderblush": "fff0f5",
  "lawngreen": "7cfc00",
  "lemonchiffon": "fffacd",
  "lightblue": "add8e6",
  "lightcoral": "f08080",
  "lightcyan": "e0ffff",
  "lightgoldenrodyellow": "fafad2",
  "lightgrey": "d3d3d3",
  "lightgreen": "90ee90",
  "lightpink": "ffb6c1",
  "lightsalmon": "ffa07a",
  "lightseagreen": "20b2aa",
  "lightskyblue": "87cefa",
  "lightslategray": "778899",
  "lightsteelblue": "b0c4de",
  "lightyellow": "ffffe0",
  "lime": "00ff00",
  "limegreen": "32cd32",
  "linen": "faf0e6",
  "magenta": "ff00ff",
  "maroon": "800000",
  "mediumaquamarine": "66cdaa",
  "mediumblue": "0000cd",
  "mediumorchid": "ba55d3",
  "mediumpurple": "9370d8",
  "mediumseagreen": "3cb371",
  "mediumslateblue": "7b68ee",
  "mediumspringgreen": "00fa9a",
  "mediumturquoise": "48d1cc",
  "mediumvioletred": "c71585",
  "midnightblue": "191970",
  "mintcream": "f5fffa",
  "mistyrose": "ffe4e1",
  "moccasin": "ffe4b5",
  "navajowhite": "ffdead",
  "navy": "000080",
  "oldlace": "fdf5e6",
  "olive": "808000",
  "olivedrab": "6b8e23",
  "orange": "ffa500",
  "orangered": "ff4500",
  "orchid": "da70d6",
  "palegoldenrod": "eee8aa",
  "palegreen": "98fb98",
  "paleturquoise": "afeeee",
  "palevioletred": "d87093",
  "papayawhip": "ffefd5",
  "peachpuff": "ffdab9",
  "peru": "cd853f",
  "pink": "ffc0cb",
  "plum": "dda0dd",
  "powderblue": "b0e0e6",
  "purple": "800080",
  "red": "ff0000",
  "rosybrown": "bc8f8f",
  "royalblue": "4169e1",
  "saddlebrown": "8b4513",
  "salmon": "fa8072",
  "sandybrown": "f4a460",
  "seagreen": "2e8b57",
  "seashell": "fff5ee",
  "sienna": "a0522d",
  "silver": "c0c0c0",
  "skyblue": "87ceeb",
  "slateblue": "6a5acd",
  "slategray": "708090",
  "snow": "fffafa",
  "springgreen": "00ff7f",
  "steelblue": "4682b4",
  "tan": "d2b48c",
  "teal": "008080",
  "thistle": "d8bfd8",
  "tomato": "ff6347",
  "turquoise": "40e0d0",
  "violet": "ee82ee",
  "wheat": "f5deb3",
  "white": "ffffff",
  "whitesmoke": "f5f5f5",
  "yellow": "ffff00",
  "yellowgreen": "9acd32",
  "transparent": "transparent"
};

Color.prototype = {
  constructor: Color,
  colors: {}, // merged web and predefined colors
  predefinedColors: {},
  /**
   * @return {Object}
   */
  getValue: function() {
    return this.value;
  },
  /**
   * @param {Object} val
   */
  setValue: function(val) {
    this.value = val;
  },
  _sanitizeNumber: function(val) {
    if (typeof val === 'number') {
      return val;
    }
    if (isNaN(val) || (val === null) || (val === '') || (val === undefined)) {
      return 1;
    }
    if (val === '') {
      return 0;
    }
    if (typeof val.toLowerCase !== 'undefined') {
      if (val.match(/^\./)) {
        val = "0" + val;
      }
      return Math.ceil(parseFloat(val) * 100) / 100;
    }
    return 1;
  },
  isTransparent: function(strVal) {
    if (!strVal || !(typeof strVal === 'string' || strVal instanceof String)) {
      return false;
    }
    strVal = strVal.toLowerCase().trim();
    return (strVal === 'transparent') || (strVal.match(/#?00000000/)) || (strVal.match(/(rgba|hsla)\(0,0,0,0?\.?0\)/));
  },
  rgbaIsTransparent: function(rgba) {
    return ((rgba.r === 0) && (rgba.g === 0) && (rgba.b === 0) && (rgba.a === 0));
  },
  // parse a string to HSB
  /**
   * @protected
   * @param {String} strVal
   * @returns {boolean} Returns true if it could be parsed, false otherwise
   */
  setColor: function(strVal) {
    strVal = strVal.toLowerCase().trim();
    if (strVal) {
      if (this.isTransparent(strVal)) {
        this.value = {
          h: 0,
          s: 0,
          b: 0,
          a: 0
        };
        return true;
      } else {
        var parsedColor = this.parse(strVal);
        if (parsedColor) {
          this.value = this.value = {
            h: parsedColor.h,
            s: parsedColor.s,
            b: parsedColor.b,
            a: parsedColor.a
          };
          if (!this.origFormat) {
            this.origFormat = parsedColor.format;
          }
        } else if (this.fallbackValue) {
          // if parser fails, defaults to fallbackValue if defined, otherwise the value won't be changed
          this.value = this.fallbackValue;
        }
      }
    }
    return false;
  },
  setHue: function(h) {
    this.value.h = 1 - h;
  },
  setSaturation: function(s) {
    this.value.s = s;
  },
  setBrightness: function(b) {
    this.value.b = 1 - b;
  },
  setAlpha: function(a) {
    this.value.a = Math.round((parseInt((1 - a) * 100, 10) / 100) * 100) / 100;
  },
  toRGB: function(h, s, b, a) {
    if (arguments.length === 0) {
      h = this.value.h;
      s = this.value.s;
      b = this.value.b;
      a = this.value.a;
    }

    h *= 360;
    var R, G, B, X, C;
    h = (h % 360) / 60;
    C = b * s;
    X = C * (1 - Math.abs(h % 2 - 1));
    R = G = B = b - C;

    h = ~~h;
    R += [C, X, 0, 0, X, C][h];
    G += [X, C, C, X, 0, 0][h];
    B += [0, 0, X, C, C, X][h];

    return {
      r: Math.round(R * 255),
      g: Math.round(G * 255),
      b: Math.round(B * 255),
      a: a
    };
  },
  toHex: function(h, s, b, a) {
    if (arguments.length === 0) {
      h = this.value.h;
      s = this.value.s;
      b = this.value.b;
      a = this.value.a;
    }

    var rgb = this.toRGB(h, s, b, a);

    if (this.rgbaIsTransparent(rgb)) {
      return 'transparent';
    }

    var hexStr = (this.hexNumberSignPrefix ? '#' : '') + (
        (1 << 24) +
        (parseInt(rgb.r) << 16) +
        (parseInt(rgb.g) << 8) +
        parseInt(rgb.b))
      .toString(16)
      .slice(1);

    return hexStr;
  },
  toHSL: function(h, s, b, a) {
    if (arguments.length === 0) {
      h = this.value.h;
      s = this.value.s;
      b = this.value.b;
      a = this.value.a;
    }

    var H = h,
      L = (2 - s) * b,
      S = s * b;
    if (L > 0 && L <= 1) {
      S /= L;
    } else {
      S /= 2 - L;
    }
    L /= 2;
    if (S > 1) {
      S = 1;
    }
    return {
      h: isNaN(H) ? 0 : H,
      s: isNaN(S) ? 0 : S,
      l: isNaN(L) ? 0 : L,
      a: isNaN(a) ? 0 : a
    };
  },
  toAlias: function(r, g, b, a) {
    var c, rgb = (arguments.length === 0) ? this.toHex() : this.toHex(r, g, b, a);

    // support predef. colors in non-hex format too, as defined in the alias itself
    var original = this.origFormat === 'alias' ? rgb : this.toString(this.origFormat, false);

    for (var alias in this.colors) {
      c = this.colors[alias].toLowerCase().trim();
      if ((c === rgb) || (c === original)) {
        return alias;
      }
    }
    return false;
  },
  RGBtoHSB: function(r, g, b, a) {
    r /= 255;
    g /= 255;
    b /= 255;

    var H, S, V, C;
    V = Math.max(r, g, b);
    C = V - Math.min(r, g, b);
    H = (C === 0 ? null :
      V === r ? (g - b) / C :
      V === g ? (b - r) / C + 2 :
      (r - g) / C + 4
    );
    H = ((H + 360) % 6) * 60 / 360;
    S = C === 0 ? 0 : C / V;
    return {
      h: this._sanitizeNumber(H),
      s: S,
      b: V,
      a: this._sanitizeNumber(a)
    };
  },
  HueToRGB: function(p, q, h) {
    if (h < 0) {
      h += 1;
    } else if (h > 1) {
      h -= 1;
    }
    if ((h * 6) < 1) {
      return p + (q - p) * h * 6;
    } else if ((h * 2) < 1) {
      return q;
    } else if ((h * 3) < 2) {
      return p + (q - p) * ((2 / 3) - h) * 6;
    } else {
      return p;
    }
  },
  HSLtoRGB: function(h, s, l, a) {
    if (s < 0) {
      s = 0;
    }
    var q;
    if (l <= 0.5) {
      q = l * (1 + s);
    } else {
      q = l + s - (l * s);
    }

    var p = 2 * l - q;

    var tr = h + (1 / 3);
    var tg = h;
    var tb = h - (1 / 3);

    var r = Math.round(this.HueToRGB(p, q, tr) * 255);
    var g = Math.round(this.HueToRGB(p, q, tg) * 255);
    var b = Math.round(this.HueToRGB(p, q, tb) * 255);
    return [r, g, b, this._sanitizeNumber(a)];
  },
  /**
   * @param {String} strVal
   * @returns {Object} Object containing h,s,b,a,format properties or FALSE if failed to parse
   */
  parse: function(strVal) {
    if (arguments.length === 0) {
      return false;
    }

    var that = this,
      result = false,
      isAlias = (typeof this.colors[strVal] !== 'undefined'),
      values, format;

    if (isAlias) {
      strVal = this.colors[strVal].toLowerCase().trim();
    }

    $.each(this.stringParsers, function(i, parser) {
      var match = parser.re.exec(strVal);
      values = match && parser.parse.apply(that, [match]);
      if (values) {
        result = {};
        format = (isAlias ? 'alias' : (parser.format ? parser.format : that.getValidFallbackFormat()));
        if (format.match(/hsla?/)) {
          result = that.RGBtoHSB.apply(that, that.HSLtoRGB.apply(that, values));
        } else {
          result = that.RGBtoHSB.apply(that, values);
        }
        if (result instanceof Object) {
          result.format = format;
        }
        return false; // stop iterating
      }
      return true;
    });
    return result;
  },
  getValidFallbackFormat: function() {
    var formats = [
      'rgba', 'rgb', 'hex', 'hsla', 'hsl'
    ];
    if (this.origFormat && (formats.indexOf(this.origFormat) !== -1)) {
      return this.origFormat;
    }
    if (this.fallbackFormat && (formats.indexOf(this.fallbackFormat) !== -1)) {
      return this.fallbackFormat;
    }

    return 'rgba'; // By default, return a format that will not lose the alpha info
  },
  /**
   *
   * @param {string} [format] (default: rgba)
   * @param {boolean} [translateAlias] Return real color for pre-defined (non-standard) aliases (default: false)
   * @returns {String}
   */
  toString: function(format, translateAlias) {
    format = format || this.origFormat || this.fallbackFormat;
    translateAlias = translateAlias || false;

    var c = false;

    switch (format) {
      case 'rgb':
        {
          c = this.toRGB();
          if (this.rgbaIsTransparent(c)) {
            return 'transparent';
          }
          return 'rgb(' + c.r + ',' + c.g + ',' + c.b + ')';
        }
        break;
      case 'rgba':
        {
          c = this.toRGB();
          return 'rgba(' + c.r + ',' + c.g + ',' + c.b + ',' + c.a + ')';
        }
        break;
      case 'hsl':
        {
          c = this.toHSL();
          return 'hsl(' + Math.round(c.h * 360) + ',' + Math.round(c.s * 100) + '%,' + Math.round(c.l * 100) + '%)';
        }
        break;
      case 'hsla':
        {
          c = this.toHSL();
          return 'hsla(' + Math.round(c.h * 360) + ',' + Math.round(c.s * 100) + '%,' + Math.round(c.l * 100) + '%,' + c.a + ')';
        }
        break;
      case 'hex':
        {
          return this.toHex();
        }
        break;
      case 'alias':
        {
          c = this.toAlias();

          if (c === false) {
            return this.toString(this.getValidFallbackFormat());
          }

          if (translateAlias && !(c in Color.webColors) && (c in this.predefinedColors)) {
            return this.predefinedColors[c];
          }

          return c;
        }
      default:
        {
          return c;
        }
        break;
    }
  },
  // a set of RE's that can match strings and generate color tuples.
  // from John Resig color plugin
  // https://github.com/jquery/jquery-color/
  stringParsers: [{
    re: /rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*?\)/,
    format: 'rgb',
    parse: function(execResult) {
      return [
        execResult[1],
        execResult[2],
        execResult[3],
        1
      ];
    }
  }, {
    re: /rgb\(\s*(\d*(?:\.\d+)?)\%\s*,\s*(\d*(?:\.\d+)?)\%\s*,\s*(\d*(?:\.\d+)?)\%\s*?\)/,
    format: 'rgb',
    parse: function(execResult) {
      return [
        2.55 * execResult[1],
        2.55 * execResult[2],
        2.55 * execResult[3],
        1
      ];
    }
  }, {
    re: /rgba\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*(?:,\s*(\d*(?:\.\d+)?)\s*)?\)/,
    format: 'rgba',
    parse: function(execResult) {
      return [
        execResult[1],
        execResult[2],
        execResult[3],
        execResult[4]
      ];
    }
  }, {
    re: /rgba\(\s*(\d*(?:\.\d+)?)\%\s*,\s*(\d*(?:\.\d+)?)\%\s*,\s*(\d*(?:\.\d+)?)\%\s*(?:,\s*(\d*(?:\.\d+)?)\s*)?\)/,
    format: 'rgba',
    parse: function(execResult) {
      return [
        2.55 * execResult[1],
        2.55 * execResult[2],
        2.55 * execResult[3],
        execResult[4]
      ];
    }
  }, {
    re: /hsl\(\s*(\d*(?:\.\d+)?)\s*,\s*(\d*(?:\.\d+)?)\%\s*,\s*(\d*(?:\.\d+)?)\%\s*?\)/,
    format: 'hsl',
    parse: function(execResult) {
      return [
        execResult[1] / 360,
        execResult[2] / 100,
        execResult[3] / 100,
        execResult[4]
      ];
    }
  }, {
    re: /hsla\(\s*(\d*(?:\.\d+)?)\s*,\s*(\d*(?:\.\d+)?)\%\s*,\s*(\d*(?:\.\d+)?)\%\s*(?:,\s*(\d*(?:\.\d+)?)\s*)?\)/,
    format: 'hsla',
    parse: function(execResult) {
      return [
        execResult[1] / 360,
        execResult[2] / 100,
        execResult[3] / 100,
        execResult[4]
      ];
    }
  }, {
    re: /#?([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/,
    format: 'hex',
    parse: function(execResult) {
      return [
        parseInt(execResult[1], 16),
        parseInt(execResult[2], 16),
        parseInt(execResult[3], 16),
        1
      ];
    }
  }, {
    re: /#?([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/,
    format: 'hex',
    parse: function(execResult) {
      return [
        parseInt(execResult[1] + execResult[1], 16),
        parseInt(execResult[2] + execResult[2], 16),
        parseInt(execResult[3] + execResult[3], 16),
        1
      ];
    }
  }],
  colorNameToHex: function(name) {
    if (typeof this.colors[name.toLowerCase()] !== 'undefined') {
      return this.colors[name.toLowerCase()];
    }
    return false;
  }
};

/*
 * Default plugin options
 */
var defaults = {
  horizontal: false, // horizontal mode layout ?
  inline: false, //forces to show the colorpicker as an inline element
  color: false, //forces a color
  format: false, //forces a format
  input: 'input', // children input selector
  container: false, // container selector
  component: '.add-on, .input-group-addon', // children component selector
  fallbackColor: false, // fallback color value. null = keeps current color.
  fallbackFormat: 'hex', // fallback color format
  hexNumberSignPrefix: true, // put a '#' (number sign) before hex strings
  sliders: {
    saturation: {
      maxLeft: 100,
      maxTop: 100,
      callLeft: 'setSaturation',
      callTop: 'setBrightness'
    },
    hue: {
      maxLeft: 0,
      maxTop: 100,
      callLeft: false,
      callTop: 'setHue'
    },
    alpha: {
      maxLeft: 0,
      maxTop: 100,
      callLeft: false,
      callTop: 'setAlpha'
    }
  },
  slidersHorz: {
    saturation: {
      maxLeft: 100,
      maxTop: 100,
      callLeft: 'setSaturation',
      callTop: 'setBrightness'
    },
    hue: {
      maxLeft: 100,
      maxTop: 0,
      callLeft: 'setHue',
      callTop: false
    },
    alpha: {
      maxLeft: 100,
      maxTop: 0,
      callLeft: 'setAlpha',
      callTop: false
    }
  },
  template: '<div class="colorpicker dropdown-menu">' +
    '<div class="colorpicker-saturation"><i><b></b></i></div>' +
    '<div class="colorpicker-hue"><i></i></div>' +
    '<div class="colorpicker-alpha"><i></i></div>' +
    '<div class="colorpicker-color"><div /></div>' +
    '<div class="colorpicker-selectors"></div>' +
    '</div>',
  align: 'right',
  customClass: null, // custom class added to the colorpicker element
  colorSelectors: null // custom color aliases
};

/**
 * Colorpicker component class
 *
 * @param {Object|String} element
 * @param {Object} options
 * @constructor
 */
var Colorpicker = function(element, options) {
  this.element = $(element).addClass('colorpicker-element');
  this.options = $.extend(true, {}, defaults, this.element.data(), options);
  this.component = this.options.component;
  this.component = (this.component !== false) ? this.element.find(this.component) : false;
  if (this.component && (this.component.length === 0)) {
    this.component = false;
  }
  this.container = (this.options.container === true) ? this.element : this.options.container;
  this.container = (this.container !== false) ? $(this.container) : false;

  // Is the element an input? Should we search inside for any input?
  this.input = this.element.is('input') ? this.element : (this.options.input ?
    this.element.find(this.options.input) : false);
  if (this.input && (this.input.length === 0)) {
    this.input = false;
  }
  // Set HSB color
  this.color = this.createColor(this.options.color !== false ? this.options.color : this.getValue());

  this.format = this.options.format !== false ? this.options.format : this.color.origFormat;

  if (this.options.color !== false) {
    this.updateInput(this.color);
    this.updateData(this.color);
  }

  // Setup picker
  var $picker = this.picker = $(this.options.template);
  if (this.options.customClass) {
    $picker.addClass(this.options.customClass);
  }
  if (this.options.inline) {
    $picker.addClass('colorpicker-inline colorpicker-visible');
  } else {
    $picker.addClass('colorpicker-hidden');
  }
  if (this.options.horizontal) {
    $picker.addClass('colorpicker-horizontal');
  }
  if (
    (['rgba', 'hsla', 'alias'].indexOf(this.format) !== -1) ||
    this.options.format === false ||
    this.getValue() === 'transparent'
  ) {
    $picker.addClass('colorpicker-with-alpha');
  }
  if (this.options.align === 'right') {
    $picker.addClass('colorpicker-right');
  }
  if (this.options.inline === true) {
    $picker.addClass('colorpicker-no-arrow');
  }
  if (this.options.colorSelectors) {
    var colorpicker = this,
      selectorsContainer = colorpicker.picker.find('.colorpicker-selectors');

    if (selectorsContainer.length > 0) {
      $.each(this.options.colorSelectors, function(name, color) {
        var $btn = $('<i />')
          .addClass('colorpicker-selectors-color')
          .css('background-color', color)
          .data('class', name).data('alias', name);

        $btn.on('mousedown.colorpicker touchstart.colorpicker', function(event) {
          event.preventDefault();
          colorpicker.setValue(
            colorpicker.format === 'alias' ? $(this).data('alias') : $(this).css('background-color')
          );
        });
        selectorsContainer.append($btn);
      });
      selectorsContainer.show().addClass('colorpicker-visible');
    }
  }

  // Prevent closing the colorpicker when clicking on itself
  $picker.on('mousedown.colorpicker touchstart.colorpicker', $.proxy(function(e) {
    if (e.target === e.currentTarget) {
      e.preventDefault();
    }
  }, this));

  // Bind click/tap events on the sliders
  $picker.find('.colorpicker-saturation, .colorpicker-hue, .colorpicker-alpha')
    .on('mousedown.colorpicker touchstart.colorpicker', $.proxy(this.mousedown, this));

  $picker.appendTo(this.container ? this.container : $('body'));

  // Bind other events
  if (this.input !== false) {
    this.input.on({
      'keyup.colorpicker': $.proxy(this.keyup, this)
    });
    this.input.on({
      'change.colorpicker': $.proxy(this.change, this)
    });
    if (this.component === false) {
      this.element.on({
        'focus.colorpicker': $.proxy(this.show, this)
      });
    }
    if (this.options.inline === false) {
      this.element.on({
        'focusout.colorpicker': $.proxy(this.hide, this)
      });
    }
  }

  if (this.component !== false) {
    this.component.on({
      'click.colorpicker': $.proxy(this.show, this)
    });
  }

  if ((this.input === false) && (this.component === false)) {
    this.element.on({
      'click.colorpicker': $.proxy(this.show, this)
    });
  }

  // for HTML5 input[type='color']
  if ((this.input !== false) && (this.component !== false) && (this.input.attr('type') === 'color')) {

    this.input.on({
      'click.colorpicker': $.proxy(this.show, this),
      'focus.colorpicker': $.proxy(this.show, this)
    });
  }
  this.update();

  $($.proxy(function() {
    this.element.trigger('create');
  }, this));
};

Colorpicker.Color = Color;

Colorpicker.prototype = {
  constructor: Colorpicker,
  destroy: function() {
    this.picker.remove();
    this.element.removeData('colorpicker', 'color').off('.colorpicker');
    if (this.input !== false) {
      this.input.off('.colorpicker');
    }
    if (this.component !== false) {
      this.component.off('.colorpicker');
    }
    this.element.removeClass('colorpicker-element');
    this.element.trigger({
      type: 'destroy'
    });
  },
  reposition: function() {
    if (this.options.inline !== false || this.options.container) {
      return false;
    }
    var type = this.container && this.container[0] !== window.document.body ? 'position' : 'offset';
    var element = this.component || this.element;
    var offset = element[type]();
    if (this.options.align === 'right') {
      offset.left -= this.picker.outerWidth() - element.outerWidth();
    }
    this.picker.css({
      top: offset.top + element.outerHeight(),
      left: offset.left
    });
  },
  show: function(e) {
    if (this.isDisabled()) {
      // Don't show the widget if it's disabled (the input)
      return;
    }
    this.picker.addClass('colorpicker-visible').removeClass('colorpicker-hidden');
    this.reposition();
    $(window).on('resize.colorpicker', $.proxy(this.reposition, this));
    if (e && (!this.hasInput() || this.input.attr('type') === 'color')) {
      if (e.stopPropagation && e.preventDefault) {
        e.stopPropagation();
        e.preventDefault();
      }
    }
    if ((this.component || !this.input) && (this.options.inline === false)) {
      $(window.document).on({
        'mousedown.colorpicker': $.proxy(this.hide, this)
      });
    }
    this.element.trigger({
      type: 'showPicker',
      color: this.color
    });
  },
  hide: function(e) {
    if ((typeof e !== 'undefined') && e.target) {
      // Prevent hide if triggered by an event and an element inside the colorpicker has been clicked/touched
      if (
        $(e.currentTarget).parents('.colorpicker').length > 0 ||
        $(e.target).parents('.colorpicker').length > 0
      ) {
        return false;
      }
    }
    this.picker.addClass('colorpicker-hidden').removeClass('colorpicker-visible');
    $(window).off('resize.colorpicker', this.reposition);
    $(window.document).off({
      'mousedown.colorpicker': this.hide
    });
    this.update();
    this.element.trigger({
      type: 'hidePicker',
      color: this.color
    });
  },
  updateData: function(val) {
    val = val || this.color.toString(this.format, false);
    this.element.data('color', val);
    return val;
  },
  updateInput: function(val) {
    val = val || this.color.toString(this.format, false);
    if (this.input !== false) {
      this.input.prop('value', val);
      this.input.trigger('change');
    }
    return val;
  },
  updatePicker: function(val) {
    if (typeof val !== 'undefined') {
      this.color = this.createColor(val);
    }
    var sl = (this.options.horizontal === false) ? this.options.sliders : this.options.slidersHorz;
    var icns = this.picker.find('i');
    if (icns.length === 0) {
      return;
    }
    if (this.options.horizontal === false) {
      sl = this.options.sliders;
      icns.eq(1).css('top', sl.hue.maxTop * (1 - this.color.value.h)).end()
        .eq(2).css('top', sl.alpha.maxTop * (1 - this.color.value.a));
    } else {
      sl = this.options.slidersHorz;
      icns.eq(1).css('left', sl.hue.maxLeft * (1 - this.color.value.h)).end()
        .eq(2).css('left', sl.alpha.maxLeft * (1 - this.color.value.a));
    }
    icns.eq(0).css({
      'top': sl.saturation.maxTop - this.color.value.b * sl.saturation.maxTop,
      'left': this.color.value.s * sl.saturation.maxLeft
    });

    this.picker.find('.colorpicker-saturation')
      .css('backgroundColor', (this.options.hexNumberSignPrefix ? '' : '#') + this.color.toHex(this.color.value.h, 1, 1, 1));

    this.picker.find('.colorpicker-alpha')
      .css('backgroundColor', (this.options.hexNumberSignPrefix ? '' : '#') + this.color.toHex());

    this.picker.find('.colorpicker-color, .colorpicker-color div')
      .css('backgroundColor', this.color.toString(this.format, true));

    return val;
  },
  updateComponent: function(val) {
    var color;

    if (typeof val !== 'undefined') {
      color = this.createColor(val);
    } else {
      color = this.color;
    }

    if (this.component !== false) {
      var icn = this.component.find('i').eq(0);
      if (icn.length > 0) {
        icn.css({
          'backgroundColor': color.toString(this.format, true)
        });
      } else {
        this.component.css({
          'backgroundColor': color.toString(this.format, true)
        });
      }
    }

    return color.toString(this.format, false);
  },
  update: function(force) {
    var val;
    if ((this.getValue(false) !== false) || (force === true)) {
      // Update input/data only if the current value is not empty
      val = this.updateComponent();
      this.updateInput(val);
      this.updateData(val);
      this.updatePicker(); // only update picker if value is not empty
    }
    return val;

  },
  setValue: function(val) { // set color manually
    this.color = this.createColor(val);
    this.update(true);
    this.element.trigger({
      type: 'changeColor',
      color: this.color,
      value: val
    });
  },
  /**
   * Creates a new color using the instance options
   * @protected
   * @param {String} val
   * @returns {Color}
   */
  createColor: function(val) {
    return new Color(
      val ? val : null,
      this.options.colorSelectors,
      this.options.fallbackColor ? this.options.fallbackColor : this.color,
      this.options.fallbackFormat,
      this.options.hexNumberSignPrefix
    );
  },
  getValue: function(defaultValue) {
    defaultValue = (typeof defaultValue === 'undefined') ? this.options.fallbackColor : defaultValue;
    var val;
    if (this.hasInput()) {
      val = this.input.val();
    } else {
      val = this.element.data('color');
    }
    if ((val === undefined) || (val === '') || (val === null)) {
      // if not defined or empty, return default
      val = defaultValue;
    }
    return val;
  },
  hasInput: function() {
    return (this.input !== false);
  },
  isDisabled: function() {
    if (this.hasInput()) {
      return (this.input.prop('disabled') === true);
    }
    return false;
  },
  disable: function() {
    if (this.hasInput()) {
      this.input.prop('disabled', true);
      this.element.trigger({
        type: 'disable',
        color: this.color,
        value: this.getValue()
      });
      return true;
    }
    return false;
  },
  enable: function() {
    if (this.hasInput()) {
      this.input.prop('disabled', false);
      this.element.trigger({
        type: 'enable',
        color: this.color,
        value: this.getValue()
      });
      return true;
    }
    return false;
  },
  currentSlider: null,
  mousePointer: {
    left: 0,
    top: 0
  },
  mousedown: function(e) {
    if (!e.pageX && !e.pageY && e.originalEvent && e.originalEvent.touches) {
      e.pageX = e.originalEvent.touches[0].pageX;
      e.pageY = e.originalEvent.touches[0].pageY;
    }
    e.stopPropagation();
    e.preventDefault();

    var target = $(e.target);

    //detect the slider and set the limits and callbacks
    var zone = target.closest('div');
    var sl = this.options.horizontal ? this.options.slidersHorz : this.options.sliders;
    if (!zone.is('.colorpicker')) {
      if (zone.is('.colorpicker-saturation')) {
        this.currentSlider = $.extend({}, sl.saturation);
      } else if (zone.is('.colorpicker-hue')) {
        this.currentSlider = $.extend({}, sl.hue);
      } else if (zone.is('.colorpicker-alpha')) {
        this.currentSlider = $.extend({}, sl.alpha);
      } else {
        return false;
      }
      var offset = zone.offset();
      //reference to guide's style
      this.currentSlider.guide = zone.find('i')[0].style;
      this.currentSlider.left = e.pageX - offset.left;
      this.currentSlider.top = e.pageY - offset.top;
      this.mousePointer = {
        left: e.pageX,
        top: e.pageY
      };
      //trigger mousemove to move the guide to the current position
      $(window.document).on({
        'mousemove.colorpicker': $.proxy(this.mousemove, this),
        'touchmove.colorpicker': $.proxy(this.mousemove, this),
        'mouseup.colorpicker': $.proxy(this.mouseup, this),
        'touchend.colorpicker': $.proxy(this.mouseup, this)
      }).trigger('mousemove');
    }
    return false;
  },
  mousemove: function(e) {
    if (!e.pageX && !e.pageY && e.originalEvent && e.originalEvent.touches) {
      e.pageX = e.originalEvent.touches[0].pageX;
      e.pageY = e.originalEvent.touches[0].pageY;
    }
    e.stopPropagation();
    e.preventDefault();
    var left = Math.max(
      0,
      Math.min(
        this.currentSlider.maxLeft,
        this.currentSlider.left + ((e.pageX || this.mousePointer.left) - this.mousePointer.left)
      )
    );
    var top = Math.max(
      0,
      Math.min(
        this.currentSlider.maxTop,
        this.currentSlider.top + ((e.pageY || this.mousePointer.top) - this.mousePointer.top)
      )
    );
    this.currentSlider.guide.left = left + 'px';
    this.currentSlider.guide.top = top + 'px';
    if (this.currentSlider.callLeft) {
      this.color[this.currentSlider.callLeft].call(this.color, left / this.currentSlider.maxLeft);
    }
    if (this.currentSlider.callTop) {
      this.color[this.currentSlider.callTop].call(this.color, top / this.currentSlider.maxTop);
    }
    // Change format dynamically
    // Only occurs if user choose the dynamic format by
    // setting option format to false
    if (
      this.options.format === false &&
      (this.currentSlider.callTop === 'setAlpha' ||
        this.currentSlider.callLeft === 'setAlpha')
    ) {

      // Converting from hex / rgb to rgba
      if (this.color.value.a !== 1) {
        this.format = 'rgba';
        this.color.origFormat = 'rgba';
      }

      // Converting from rgba to hex
      else {
        this.format = 'hex';
        this.color.origFormat = 'hex';
      }
    }
    this.update(true);

    this.element.trigger({
      type: 'changeColor',
      color: this.color
    });
    return false;
  },
  mouseup: function(e) {
    e.stopPropagation();
    e.preventDefault();
    $(window.document).off({
      'mousemove.colorpicker': this.mousemove,
      'touchmove.colorpicker': this.mousemove,
      'mouseup.colorpicker': this.mouseup,
      'touchend.colorpicker': this.mouseup
    });
    return false;
  },
  change: function(e) {
    this.keyup(e);
  },
  keyup: function(e) {
    if ((e.keyCode === 38)) {
      if (this.color.value.a < 1) {
        this.color.value.a = Math.round((this.color.value.a + 0.01) * 100) / 100;
      }
      this.update(true);
    } else if ((e.keyCode === 40)) {
      if (this.color.value.a > 0) {
        this.color.value.a = Math.round((this.color.value.a - 0.01) * 100) / 100;
      }
      this.update(true);
    } else {
      this.color = this.createColor(this.input.val());
      // Change format dynamically
      // Only occurs if user choose the dynamic format by
      // setting option format to false
      if (this.color.origFormat && this.options.format === false) {
        this.format = this.color.origFormat;
      }
      if (this.getValue(false) !== false) {
        this.updateData();
        this.updateComponent();
        this.updatePicker();
      }
    }
    this.element.trigger({
      type: 'changeColor',
      color: this.color,
      value: this.input.val()
    });
  }
};

$.colorpicker = Colorpicker;

$.fn.colorpicker = function(option) {
  var apiArgs = Array.prototype.slice.call(arguments, 1),
    isSingleElement = (this.length === 1),
    returnValue = null;

  var $jq = this.each(function() {
    var $this = $(this),
      inst = $this.data('colorpicker'),
      options = ((typeof option === 'object') ? option : {});

    if (!inst) {
      inst = new Colorpicker(this, options);
      $this.data('colorpicker', inst);
    }

    if (typeof option === 'string') {
      if ($.isFunction(inst[option])) {
        returnValue = inst[option].apply(inst, apiArgs);
      } else { // its a property ?
        if (apiArgs.length) {
          // set property
          inst[option] = apiArgs[0];
        }
        returnValue = inst[option];
      }
    } else {
      returnValue = $this;
    }
  });
  return isSingleElement ? returnValue : $jq;
};

$.fn.colorpicker.constructor = Colorpicker;

}));