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/*
* Very simple jQuery Color Picker
* https://github.com/tkrotoff/jquery-simplecolorpicker
*
* Copyright (C) 2012-2013 Tanguy Krotoff <tkrotoff@gmail.com>
*
* Licensed under the MIT license
*/
(function($) {
'use strict';
/**
* Constructor.
*/
var SimpleColorPicker = function(select, options) {
this.init('simplecolorpicker', select, options);
};
/**
* SimpleColorPicker class.
*/
SimpleColorPicker.prototype = {
constructor: SimpleColorPicker,
init: function(type, select, options) {
var self = this;
self.type = type;
self.$select = $(select);
self.$select.hide();
self.options = $.extend({}, $.fn.simplecolorpicker.defaults, options);
self.$colorList = null;
if (self.options.picker === true) {
var selectText = self.$select.find('> option:selected').text();
self.$icon = $('<span class="simplecolorpicker button"'
+ ' title="' + selectText + '"'
+ ' style="background-color: ' + self.$select.val() + ';"'
+ ' role="button" tabindex="0">'
+ '</span>').insertAfter(self.$select);
self.$icon.on('click.' + self.type, $.proxy(self.showPicker, self));
self.$picker = $('<span class="simplecolorpicker picker ' + self.options.theme + '"></span>').appendTo(document.body);
self.$colorList = self.$picker;
// Hide picker when clicking outside
$(document).on('mousedown.' + self.type, $.proxy(self.hidePicker, self));
self.$picker.on('mousedown.' + self.type, $.proxy(self.mousedown, self));
} else {
self.$inline = $('<span class="simplecolorpicker inline ' + self.options.theme + '"></span>').insertAfter(self.$select);
self.$colorList = self.$inline;
}
// Build the list of colors
// <span class="color selected" title="Green" style="background-color: #7bd148;" role="button"></span>
self.$select.find('> option').each(function() {
var $option = $(this);
var color = $option.val();
var isSelected = $option.is(':selected');
var isDisabled = $option.is(':disabled');
var selected = '';
if (isSelected === true) {
selected = ' data-selected';
}
var disabled = '';
if (isDisabled === true) {
disabled = ' data-disabled';
}
var title = '';
if (isDisabled === false) {
title = ' title="' + $option.text() + '"';
}
var role = '';
if (isDisabled === false) {
role = ' role="button" tabindex="0"';
}
var $colorSpan = $('<span class="color"'
+ title
+ ' style="background-color: ' + color + ';"'
+ ' data-color="' + color + '"'
+ selected
+ disabled
+ role + '>'
+ '</span>');
self.$colorList.append($colorSpan);
$colorSpan.on('click.' + self.type, $.proxy(self.colorSpanClicked, self));
var $next = $option.next();
if ($next.is('optgroup') === true) {
// Vertical break, like hr
self.$colorList.append('<span class="vr"></span>');
}
});
},
/**
* Changes the selected color.
*
* @param color the hexadecimal color to select, ex: '#fbd75b'
*/
selectColor: function(color) {
var self = this;
var $colorSpan = self.$colorList.find('> span.color').filter(function() {
return $(this).data('color').toLowerCase() === color.toLowerCase();
});
if ($colorSpan.length > 0) {
self.selectColorSpan($colorSpan);
} else {
console.error("The given color '" + color + "' could not be found");
}
},
showPicker: function() {
var pos = this.$icon.offset();
this.$picker.css({
// Remove some pixels to align the picker icon with the icons inside the dropdown
left: pos.left - 1,
top: pos.top - 4//+ this.$icon.outerHeight()
});
this.$picker.show(this.options.pickerDelay);
},
hidePicker: function() {
this.$picker.hide(this.options.pickerDelay);
},
/**
* Selects the given span inside $colorList.
*
* The given span becomes the selected one.
* It also changes the HTML select value, this will emit the 'change' event.
*/
selectColorSpan: function($colorSpan) {
var color = $colorSpan.data('color');
var title = $colorSpan.prop('title');
// Mark this span as the selected one
$colorSpan.siblings().removeAttr('data-selected');
$colorSpan.attr('data-selected', '');
if (this.options.picker === true) {
this.$icon.css('background-color', color);
this.$icon.prop('title', title);
this.hidePicker();
}
// Change HTML select value
this.$select.val(color);
},
/**
* The user clicked on a color inside $colorList.
*/
colorSpanClicked: function(e) {
// When a color is clicked, make it the new selected one (unless disabled)
if ($(e.target).is('[data-disabled]') === false) {
this.selectColorSpan($(e.target));
this.$select.trigger('change');
}
},
/**
* Prevents the mousedown event from "eating" the click event.
*/
mousedown: function(e) {
e.stopPropagation();
e.preventDefault();
},
destroy: function() {
if (this.options.picker === true) {
this.$icon.off('.' + this.type);
this.$icon.remove();
$(document).off('.' + this.type);
}
this.$colorList.off('.' + this.type);
this.$colorList.remove();
this.$select.removeData(this.type);
this.$select.show();
}
};
/**
* Plugin definition.
* How to use: $('#id').simplecolorpicker()
*/
$.fn.simplecolorpicker = function(option) {
var args = $.makeArray(arguments);
args.shift();
// For HTML element passed to the plugin
return this.each(function() {
var $this = $(this),
data = $this.data('simplecolorpicker'),
options = typeof option === 'object' && option;
if (data === undefined) {
$this.data('simplecolorpicker', (data = new SimpleColorPicker(this, options)));
}
if (typeof option === 'string') {
data[option].apply(data, args);
}
});
};
/**
* Default options.
*/
$.fn.simplecolorpicker.defaults = {
// No theme by default
theme: '',
// Show the picker or make it inline
picker: false,
// Animation delay in milliseconds
pickerDelay: 0
};
})(jQuery);