/**
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<b>Custom color picker element</b>. Converts html select elements to a dropdown color picker.
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*/
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(function($ , undefined) {
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var Ace_Colorpicker = function(element, _options) {
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var attrib_values = ace.helper.getAttrSettings(element, $.fn.ace_colorpicker.defaults);
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var options = $.extend({}, $.fn.ace_colorpicker.defaults, _options, attrib_values);
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var $element = $(element);
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var color_list = '';
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var color_selected = '';
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var selection = null;
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var color_array = [];
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$element.addClass('hide').find('option').each(function() {
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var $class = 'colorpick-btn';
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var color = this.value.replace(/[^\w\s,#\(\)\.]/g, '');
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if(this.value != color) this.value = color;
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if(this.selected) {
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$class += ' selected';
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color_selected = color;
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}
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color_array.push(color)
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color_list += '<li><a class="'+$class+'" href="#" style="background-color:'+color+';" data-color="'+color+'"></a></li>';
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}).
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end()
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.on('change.color', function(){
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$element.next().find('.btn-colorpicker').css('background-color', this.value);
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})
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.after('<div class="dropdown dropdown-colorpicker">\
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<a data-toggle="dropdown" class="dropdown-toggle" '+(options.auto_pos ? 'data-position="auto"' : '')+' href="#"><span class="btn-colorpicker" style="background-color:'+color_selected+'"></span></a><ul class="dropdown-menu'+(options.caret? ' dropdown-caret' : '')+(options.pull_right ? ' dropdown-menu-right' : '')+'">'+color_list+'</ul></div>')
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var dropdown = $element.next().find('.dropdown-menu')
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dropdown.on(ace.click_event, function(e) {
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var a = $(e.target);
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if(!a.is('.colorpick-btn')) return false;
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if(selection) selection.removeClass('selected');
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selection = a;
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selection.addClass('selected');
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var color = selection.data('color');
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$element.val(color).trigger('change');
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e.preventDefault();
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return true;//to hide dropdown
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})
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selection = $element.next().find('a.selected');
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this.pick = function(index, insert) {
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if(typeof index === 'number') {
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if(index >= color_array.length) return;
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element.selectedIndex = index;
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dropdown.find('a:eq('+index+')').trigger(ace.click_event);
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}
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else if(typeof index === 'string') {
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var color = index.replace(/[^\w\s,#\(\)\.]/g, '');
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index = color_array.indexOf(color);
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//add this color if it doesn't exist
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if(index == -1 && insert === true) {
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color_array.push(color);
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$('<option />')
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.appendTo($element)
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.val(color);
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$('<li><a class="colorpick-btn" href="#"></a></li>')
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.appendTo(dropdown)
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.find('a')
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.css('background-color', color)
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.data('color', color);
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index = color_array.length - 1;
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}
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if(index == -1) return;
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dropdown.find('a:eq('+index+')').trigger(ace.click_event);
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}
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}
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this.destroy = function() {
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$element.removeClass('hide').off('change.color')
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.next().remove();
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color_array = [];
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}
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}
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$.fn.ace_colorpicker = function(option, value) {
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var retval;
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var $set = this.each(function () {
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var $this = $(this);
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var data = $this.data('ace_colorpicker');
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var options = typeof option === 'object' && option;
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if (!data) $this.data('ace_colorpicker', (data = new Ace_Colorpicker(this, options)));
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if (typeof option === 'string') retval = data[option](value);
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});
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return (retval === undefined) ? $set : retval;
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}
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$.fn.ace_colorpicker.defaults = {
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'pull_right' : false,
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'caret': true,
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'auto_pos': true
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}
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})(window.jQuery);
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