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354 lines
12 KiB
JavaScript
354 lines
12 KiB
JavaScript
/**
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* Really Simple Color Picker in jQuery
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*
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* Licensed under the MIT (MIT-LICENSE.txt) licenses.
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*
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* Copyright (c) 2008-2012
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* Lakshan Perera (www.laktek.com) & Daniel Lacy (daniellacy.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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(function ($) {
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/**
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* Create a couple private variables.
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**/
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var selectorOwner,
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activePalette,
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cItterate = 0,
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templates = {
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control : $('<div class="colorPicker-picker"> </div>'),
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palette : $('<div id="colorPicker_palette" class="colorPicker-palette" />'),
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swatch : $('<div class="colorPicker-swatch"> </div>'),
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hexLabel: $('<label for="colorPicker_hex">Hex</label>'),
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hexField: $('<input type="text" id="colorPicker_hex" />')
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},
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transparent = "transparent",
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lastColor;
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/**
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* Create our colorPicker function
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**/
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$.fn.colorPicker = function (options) {
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return this.each(function () {
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// Setup time. Clone new elements from our templates, set some IDs, make shortcuts, jazzercise.
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var element = $(this),
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opts = $.extend({}, $.fn.colorPicker.defaults, options),
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defaultColor = $.fn.colorPicker.toHex(
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(element.val().length > 0) ? element.val() : opts.pickerDefault
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),
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newControl = templates.control.clone(),
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newPalette = templates.palette.clone().attr('id', 'colorPicker_palette-' + cItterate),
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newHexLabel = templates.hexLabel.clone(),
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newHexField = templates.hexField.clone(),
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paletteId = newPalette[0].id,
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swatch, controlText;
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/**
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* Build a color palette.
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**/
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$.each(opts.colors, function (i) {
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swatch = templates.swatch.clone();
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if (opts.colors[i] === transparent || opts.colors[i] === '') {
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swatch.addClass(transparent).text('X');
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$.fn.colorPicker.bindPalette(newHexField, swatch, transparent);
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} else {
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swatch.css("background-color", "#" + this);
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$.fn.colorPicker.bindPalette(newHexField, swatch);
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}
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swatch.appendTo(newPalette);
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});
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newHexLabel.attr('for', 'colorPicker_hex-' + cItterate);
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newHexField.attr({
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'id' : 'colorPicker_hex-' + cItterate,
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'value' : defaultColor
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});
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newHexField.bind("keydown", function (event) {
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if (event.keyCode === 13) {
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var hexColor = $.fn.colorPicker.toHex($(this).val());
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$.fn.colorPicker.changeColor(hexColor ? hexColor : element.val());
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}
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if (event.keyCode === 27) {
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$.fn.colorPicker.hidePalette();
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}
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});
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newHexField.bind("keyup", function (event) {
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var hexColor = $.fn.colorPicker.toHex($(event.target).val());
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$.fn.colorPicker.previewColor(hexColor ? hexColor : element.val());
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});
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$('<div class="colorPicker_hexWrap" />').append(newHexLabel).appendTo(newPalette);
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newPalette.find('.colorPicker_hexWrap').append(newHexField);
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if (opts.showHexField === false) {
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newHexField.hide();
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newHexLabel.hide();
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}
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$("body").append(newPalette);
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newPalette.hide();
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/**
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* Build replacement interface for original color input.
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**/
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newControl.css("background-color", defaultColor);
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newControl.bind("click", function () {
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if( element.is( ':not(:disabled)' ) ) {
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$.fn.colorPicker.togglePalette($('#' + paletteId), $(this));
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}
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});
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if( options && options.onColorChange ) {
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newControl.data('onColorChange', options.onColorChange);
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} else {
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newControl.data('onColorChange', function() {} );
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}
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if (controlText = element.data('text'))
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newControl.html(controlText)
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element.after(newControl);
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element.bind("change", function () {
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element.next(".colorPicker-picker").css(
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"background-color", $.fn.colorPicker.toHex($(this).val())
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);
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});
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element.val(defaultColor);
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// Hide the original input.
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if (element[0].tagName.toLowerCase() === 'input') {
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try {
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element.attr('type', 'hidden')
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} catch(err) { // oldIE doesn't allow changing of input.type
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element.css('visibility', 'hidden').css('position', 'absolute')
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}
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} else {
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element.hide();
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}
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cItterate++;
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});
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};
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/**
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* Extend colorPicker with... all our functionality.
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**/
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$.extend(true, $.fn.colorPicker, {
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/**
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* Return a Hex color, convert an RGB value and return Hex, or return false.
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*
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* Inspired by http://code.google.com/p/jquery-color-utils
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**/
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toHex : function (color) {
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// If we have a standard or shorthand Hex color, return that value.
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if (color.match(/[0-9A-F]{6}|[0-9A-F]{3}$/i)) {
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return (color.charAt(0) === "#") ? color : ("#" + color);
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// Alternatively, check for RGB color, then convert and return it as Hex.
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} else if (color.match(/^rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)$/)) {
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var c = ([parseInt(RegExp.$1, 10), parseInt(RegExp.$2, 10), parseInt(RegExp.$3, 10)]),
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pad = function (str) {
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if (str.length < 2) {
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for (var i = 0, len = 2 - str.length; i < len; i++) {
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str = '0' + str;
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}
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}
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return str;
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};
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if (c.length === 3) {
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var r = pad(c[0].toString(16)),
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g = pad(c[1].toString(16)),
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b = pad(c[2].toString(16));
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return '#' + r + g + b;
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}
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// Otherwise we wont do anything.
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} else {
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return false;
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}
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},
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/**
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* Check whether user clicked on the selector or owner.
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**/
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checkMouse : function (event, paletteId) {
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var selector = activePalette,
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selectorParent = $(event.target).parents("#" + selector.attr('id')).length;
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if (event.target === $(selector)[0] || event.target === selectorOwner[0] || selectorParent > 0) {
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return;
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}
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$.fn.colorPicker.hidePalette();
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},
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/**
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* Hide the color palette modal.
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**/
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hidePalette : function () {
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$(document).unbind("mousedown", $.fn.colorPicker.checkMouse);
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$('.colorPicker-palette').hide();
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},
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/**
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* Show the color palette modal.
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**/
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showPalette : function (palette) {
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var hexColor = selectorOwner.prev("input").val();
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palette.css({
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top: selectorOwner.offset().top + (selectorOwner.outerHeight()),
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left: selectorOwner.offset().left
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});
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$("#color_value").val(hexColor);
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palette.show();
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$(document).bind("mousedown", $.fn.colorPicker.checkMouse);
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},
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/**
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* Toggle visibility of the colorPicker palette.
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**/
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togglePalette : function (palette, origin) {
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// selectorOwner is the clicked .colorPicker-picker.
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if (origin) {
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selectorOwner = origin;
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}
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activePalette = palette;
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if (activePalette.is(':visible')) {
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$.fn.colorPicker.hidePalette();
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} else {
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$.fn.colorPicker.showPalette(palette);
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}
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},
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/**
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* Update the input with a newly selected color.
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**/
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changeColor : function (value) {
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selectorOwner.css("background-color", value);
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selectorOwner.prev("input").val(value).change();
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$.fn.colorPicker.hidePalette();
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selectorOwner.data('onColorChange').call(selectorOwner, $(selectorOwner).prev("input").attr("id"), value);
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},
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/**
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* Preview the input with a newly selected color.
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**/
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previewColor : function (value) {
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selectorOwner.css("background-color", value);
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},
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/**
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* Bind events to the color palette swatches.
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*/
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bindPalette : function (paletteInput, element, color) {
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color = color ? color : $.fn.colorPicker.toHex(element.css("background-color"));
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element.bind({
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click : function (ev) {
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lastColor = color;
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$.fn.colorPicker.changeColor(color);
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},
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mouseover : function (ev) {
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lastColor = paletteInput.val();
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$(this).css("border-color", "#598FEF");
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paletteInput.val(color);
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$.fn.colorPicker.previewColor(color);
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},
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mouseout : function (ev) {
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$(this).css("border-color", "#000");
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paletteInput.val(selectorOwner.css("background-color"));
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paletteInput.val(lastColor);
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$.fn.colorPicker.previewColor(lastColor);
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}
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});
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}
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});
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/**
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* Default colorPicker options.
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*
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* These are publibly available for global modification using a setting such as:
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*
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* $.fn.colorPicker.defaults.colors = ['151337', '111111']
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*
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* They can also be applied on a per-bound element basis like so:
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*
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* $('#element1').colorPicker({pickerDefault: 'efefef', transparency: true});
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* $('#element2').colorPicker({pickerDefault: '333333', colors: ['333333', '111111']});
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*
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**/
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$.fn.colorPicker.defaults = {
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// colorPicker default selected color.
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pickerDefault : "transparent",
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// Default color set.
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colors : [
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'0b8092', '808cc8', 'a9ca45', 'f69e06', 'be3978', 'cb5a20', '41b3ce', '85cddb',
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'000000', '993300', '333300', '000080', '333399', '333333', '800000', 'FF6600',
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'808000', '008000', '008080', '0000FF', '666699', '808080', 'FF0000', 'FF9900',
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'99CC00', '339966', '33CCCC', '3366FF', '800080', '999999', 'FF00FF', 'FFCC00',
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'FFFF00', '00FF00', '00FFFF', '00CCFF', '993366', 'C0C0C0', 'FF99CC', 'FFCC99',
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'FFFF99', 'CCFFFF', '99CCFF', 'FFFFFF', 'transparent'
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],
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// If we want to simply add more colors to the default set, use addColors.
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addColors : [],
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// Show hex field
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showHexField: false
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};
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})(jQuery);
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