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/*!
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
(function ($) {
var colorNames = {"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":"#43a047","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"};
/**
* The ColorManager class allows JS code to grab colors defined in CSS for
* components that don't manage HTML (like jqPlot or sparklines). Such components
* can't use CSS colors directly since the colors are used to generate images
* or by <canvas> elements.
*
* Colors obtained via ColorManager are defined in CSS like this:
*
* .my-color-namespace[data-name=color-name] {
* color: #fff
* }
*
* and can be accessed in JavaScript like this:
*
* piwik.ColorManager.getColor("my-color-namespace", "color-name");
*
* The singleton instance of this class can be accessed via piwik.ColorManager.
*/
var ColorManager = function () {
// empty
};
ColorManager.prototype = {
/**
* Returns the color for a namespace and name.
*
* @param {String} namespace The string identifier that groups related colors
* together. For example, 'sparkline-colors'.
* @param {String} name The name of the color to retrieve. For example, 'lineColor'.
* @return {String} A hex color, eg, '#fff'.
*/
getColor: function (namespace, name) {
var element = this._getElement();
element.attr('class', 'color-manager ' + namespace).attr('data-name', name);
return this._normalizeColor(element.css('color'));
},
/**
* Returns the colors for a namespace and a list of names.
*
* @param {String} namespace The string identifier that groups related colors
* together. For example, 'sparkline-colors'.
* @param {Array} names An array of color names to retrieve.
* @param {Boolean} asArray Whether the result should be an array or an object.
* @return {Object|Array} An object mapping color names with color values or an
* array of colors.
*/
getColors: function (namespace, names, asArray) {
var colors = asArray ? [] : {};
for (var i = 0; i != names.length; ++i) {
var name = names[i],
color = this.getColor(namespace, name);
if (color) {
if (asArray) {
colors.push(color);
} else {
colors[name] = color;
}
}
}
return colors;
},
/**
* Returns a color that is N % between two other colors.
*
* @param {String|Array} spectrumStart The start color. If percentFromStart is 0, this color will
* be returned. Can be either a hex color or RGB array.
* It will be converted to an RGB array if a hex color is supplied.
* @param {String|Array} spectrumEnd The end color. If percentFromStart is 1, this color will be
* returned. Can be either a hex color or RGB array. It will be
* converted to an RGB array if a hex color is supplied.
* @param {Number} percentFromStart The percent from spectrumStart and twoard spectrumEnd that the
* result color should be. Must be a value between 0.0 & 1.0.
* @return {String} A hex color.
*/
getSingleColorFromGradient: function (spectrumStart, spectrumEnd, percentFromStart) {
if (!(spectrumStart instanceof Array)) {
spectrumStart = this.getRgb(spectrumStart);
}
if (!(spectrumEnd instanceof Array)) {
spectrumEnd = this.getRgb(spectrumEnd);
}
var result = [];
for (var channel = 0; channel != spectrumStart.length; ++channel) {
var delta = (spectrumEnd[channel] - spectrumStart[channel]) * percentFromStart;
result[channel] = Math.floor(spectrumStart[channel] + delta);
}
return this.getHexColor(result);
},
/**
* Utility function that converts a hex color (ie, #fff or #1a1a1a) to an array of
* RGB values.
*
* @param {String} hexColor The color to convert.
* @return {Array} An array with three integers between 0 and 255.
*/
getRgb: function (hexColor) {
if (hexColor[0] == '#') {
hexColor = hexColor.substring(1);
}
if (hexColor.length == 3) {
return [
parseInt(hexColor[0], 16),
parseInt(hexColor[1], 16),
parseInt(hexColor[2], 16)
];
} else {
return [
parseInt(hexColor.substring(0,2), 16),
parseInt(hexColor.substring(2,4), 16),
parseInt(hexColor.substring(4,6), 16)
];
}
},
/**
* Utility function that converts an RGB array to a hex color.
*
* @param {Array} rgbColor An array with three integers between 0 and 255.
* @return {String} The hex color, eg, #1a1a1a.
*/
getHexColor: function (rgbColor) {
// convert channels to hex with one leading 0
for (var i = 0; i != rgbColor.length; ++i) {
rgbColor[i] = ("00" + rgbColor[i].toString(16)).slice(-2);
}
// create hex string
return '#' + rgbColor.join('');
},
/**
* Turns a color string that might be an rgb value rgb(12, 34, 56) into
* a hex color string.
*/
_normalizeColor: function (color) {
if (color == this._getTransparentColor()) {
return null;
}
if (color && colorNames[color]) {
return colorNames[color];
}
if (color
&& color[0] != '#'
) {
// parse rgb(#, #, #) and get rgb numbers
var parts = color.split(/[()rgb,\s]+/);
parts = [+parts[1], +parts[2], +parts[3]];
// convert to hex
color = this.getHexColor(parts);
}
return color;
},
/**
* Returns the manufactured <div> element used to obtain color data. When
* getting color data the class and data-name attribute of this element are
* changed.
*/
_getElement: function () {
if (!this.$element) {
$('body').append('<div id="color-manager"></div>');
this.$element = $('#color-manager');
}
return this.$element;
},
/**
* Returns this browser's representation of the 'transparent' color. Used to
* compare against colors obtained in getColor. If a color is 'transparent'
* it means there's no color for that namespace/name combination.
*/
_getTransparentColor: function () {
if (!this.transparentColor) {
this.transparentColor =
$('<div style="color:transparent;display:none;"></div>').appendTo($('body')).css('color');
}
return this.transparentColor;
}
};
piwik.ColorManager = new ColorManager();
}(jQuery));
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