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;(function ($, window, document, undefined) { |
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// Create the defaults once |
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var pluginName = "childlist"; |
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var defaults = { |
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parentSelector : '.js-childlist-parent', |
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parentVarName : null, |
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parentOnChange : true, |
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childSelector : '.js-childlist-child', |
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ajaxUrl : null |
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}; |
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// The actual plugin constructor |
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function Plugin(element, options) { |
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this.element = element; |
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this.options = $.extend({}, defaults, options); |
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this._defaults = defaults; |
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// Fields |
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this.childField = $(this.element); |
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this.parentField = $(this.options.parentSelector); |
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// Initial values |
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this.parentValue = this.getFieldValue(this.parentField); |
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this.childValue = this.getFieldValue(this.element); |
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// Selector values |
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this._name = pluginName; |
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this.init(); |
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} |
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Plugin.prototype = { |
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init: function () { |
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var self = this; |
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self.parentField.change(function(e) { |
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self.updateChild(); |
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}); |
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// Refresh on load |
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self.updateChild(); |
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}, |
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getFieldValue: function (element) { |
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var value = null; |
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if ($(element).is('select')) { |
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var option = $(element).find('option:selected'); |
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value = option.val(); |
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} else { |
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value = $(element).val(); |
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} |
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return value; |
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}, |
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isFieldActive: function (element) { |
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var self = this; |
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var value = self.getFieldValue(element); |
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return option.val() != ''; |
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}, |
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updateChild: function() { |
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var self = this; |
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self.parentValue = self.getFieldValue(self.parentField); |
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// Execute AJAX query |
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$.ajax({ |
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url: self.options.ajaxUrl, |
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type: "POST", |
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dataType: "json", |
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cache: false, |
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data: self.options.parentVarName + "=" + self.parentValue, |
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success: function(data){ |
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var options = ""; |
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if (data !== null) |
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{ |
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$.each(data, function(index, item) { |
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options += '<option value="' + item['value'] + '"'; |
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if (item['value'] === self.childValue) |
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{ |
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options += ' selected="selected"'; |
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} |
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options += ' >' + item['text'] + '</option>'; |
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}); |
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} |
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// Fill the child select |
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self.childField.empty().append(options); |
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self.childField.trigger('liszt:updated'); |
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} |
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}); |
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}, |
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resetField: function (element) { |
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$(element).val(''); |
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$(element).trigger('liszt:updated'); |
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}, |
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submitForm: function() { |
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this.theForm.submit(); |
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} |
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}; |
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105
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// A really lightweight plugin wrapper around the constructor, |
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// preventing against multiple instantiations |
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107
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$.fn[pluginName] = function (options) { |
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return this.each(function () { |
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109
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if (!$.data(this, "plugin_" + pluginName)) { |
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$.data(this, "plugin_" + pluginName, new Plugin(this, options)); |
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} |
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}); |
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}; |
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115
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})(jQuery, window, document); |
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redCOMPONENT-COM /
redCORE
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This check looks for parameters in functions that are not used in the function body and are not followed by other parameters which are used inside the function.