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621 lines
17 KiB
621 lines
17 KiB
/* ******************************
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Semantic Module: Checkbox
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Author: Jack Lukic
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Notes: First Commit MAy 25, 2013
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Simple plug-in which maintains the state for ui dropdown
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****************************** */
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;(function ( $, window, document, undefined ) {
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$.fn.dropdown = function(parameters) {
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var
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$allModules = $(this),
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$document = $(document),
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settings = ( $.isPlainObject(parameters) )
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? $.extend(true, {}, $.fn.dropdown.settings, parameters)
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: $.fn.dropdown.settings,
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eventNamespace = '.' + settings.namespace,
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moduleNamespace = 'module-' + settings.namespace,
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moduleSelector = $allModules.selector || '',
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time = new Date().getTime(),
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performance = [],
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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invokedResponse,
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allModules
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;
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$allModules
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.each(function() {
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var
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$module = $(this),
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$menu = $(this).find(settings.selector.menu),
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$item = $(this).find(settings.selector.item),
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$text = $(this).find(settings.selector.text),
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$input = $(this).find(settings.selector.input),
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isTouchDevice = ('ontouchstart' in document.documentElement),
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selector = $module.selector || '',
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element = this,
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instance = $module.data('module-' + settings.namespace),
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className = settings.className,
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metadata = settings.metadata,
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namespace = settings.namespace,
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animation = settings.animation,
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errors = settings.errors,
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module
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;
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module = {
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initialize: function() {
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module.verbose('Initializing dropdown with bound events', $module);
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if(isTouchDevice) {
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$module
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.on('touchstart' + eventNamespace, module.event.test.toggle)
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;
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}
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else if(settings.on == 'click') {
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$module
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.on('click' + eventNamespace, module.event.test.toggle)
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;
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}
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else if(settings.on == 'hover') {
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$module
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.on('mouseenter' + eventNamespace, module.delay.show)
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.on('mouseleave' + eventNamespace, module.delay.hide)
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;
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}
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else {
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$module
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.on(settings.on + eventNamespace, module.toggle)
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;
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}
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if(settings.action == 'form') {
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module.set.selected();
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}
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$item
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.on(module.get.selectEvent() + eventNamespace, module.event.item.click)
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;
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$module
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.data(moduleNamespace, module)
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;
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},
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destroy: function() {
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module.verbose('Destroying previous module for', $module);
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$module
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.off(namespace)
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;
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},
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event: {
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stopPropagation: function(event) {
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event.stopPropagation();
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},
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test: {
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toggle: function(event) {
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module.intent.test(event, module.toggle);
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event.stopPropagation();
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},
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hide: function(event) {
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module.intent.test(event, module.hide);
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event.stopPropagation();
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}
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},
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item: {
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click: function (event) {
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var
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$choice = $(this),
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text = $choice.data(metadata.text) || $choice.text(),
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value = $choice.data(metadata.value) || text
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;
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module.verbose('Adding active state to selected item');
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$item
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.removeClass(className.active)
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;
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$choice
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.addClass(className.active)
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;
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module.action.determine(text, value);
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$.proxy(settings.onChange, $module.get())(value, text);
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event.stopPropagation();
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}
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},
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resetStyle: function() {
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$(this).removeAttr('style');
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}
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},
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intent: {
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test: function(event, callback) {
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module.debug('Determining whether event occurred in dropdown', event.target);
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callback = callback || function(){};
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if( $(event.target).closest($menu).size() === 0 ) {
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module.verbose('Triggering event', callback);
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callback();
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}
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else {
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module.verbose('Event occurred in dropdown, canceling callback');
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}
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},
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bind: function() {
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module.verbose('Binding hide intent event to document');
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$document
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.on(module.get.selectEvent(), module.event.test.hide)
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;
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},
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unbind: function() {
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module.verbose('Removing hide intent event from document');
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$document
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.off(module.get.selectEvent())
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;
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}
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},
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action: {
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determine: function(text, value) {
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if( $.isFunction( module.action[settings.action] ) ) {
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module.verbose('Triggering preset action', settings.action);
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module.action[ settings.action ](text, value);
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}
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else if( $.isFunction(settings.action) ) {
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module.verbose('Triggering user action', settings.action);
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settings.action(text, value);
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}
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else {
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module.error(errors.action);
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}
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},
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none: function() {},
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hide: function() {
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module.hide();
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},
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changeText: function(text, value) {
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module.set.text(text);
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module.hide();
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},
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form: function(text, value) {
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module.set.text(text);
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module.set.value(value);
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module.hide();
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}
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},
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get: {
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selectEvent: function() {
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return (isTouchDevice)
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? 'touchstart'
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: 'click'
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;
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},
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text: function() {
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return $text.text();
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},
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value: function() {
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return $input.val();
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},
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item: function(value) {
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var
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$selectedItem
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;
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value = value || $input.val();
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$item
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.each(function() {
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if( $(this).data(metadata.value) == value ) {
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$selectedItem = $(this);
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}
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})
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;
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return $selectedItem || false;
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}
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},
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set: {
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text: function(text) {
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module.debug('Changing text', text, $text);
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$text.removeClass(className.placeholder);
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$text.text(text);
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},
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value: function(value) {
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module.debug('Adding selected value to hidden input', value, $input);
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$input.val(value);
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},
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selected: function(value) {
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var
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selectedValue = value || $input.val(),
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$selectedItem = module.get.item(value),
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selectedText
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;
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if($selectedItem) {
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module.debug('Setting selected menu item to', $selectedItem);
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selectedText = $selectedItem.data(metadata.text) || $selectedItem.text();
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$item
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.removeClass(className.active)
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;
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$selectedItem
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.addClass(className.active)
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;
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module.set.text(selectedText);
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}
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}
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},
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is: {
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visible: function() {
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return $menu.is(':visible');
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},
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hidden: function() {
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return $menu.is(':not(:visible)');
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}
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},
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can: {
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click: function() {
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return (isTouchDevice || settings.on == 'click');
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},
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show: function() {
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return !$module.hasClass(className.disabled);
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}
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},
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animate: {
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show: function() {
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module.verbose('Doing menu showing animation');
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if(animation.show == 'none') {
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$menu
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.show()
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;
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}
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else if(animation.show == 'fade') {
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$menu
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.hide()
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.clearQueue()
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.fadeIn(150, module.event.resetStyle)
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;
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}
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else if(animation.show == 'slide') {
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$menu
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.hide()
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.clearQueue()
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.children()
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.clearQueue()
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.css('opacity', 0)
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.delay(50)
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.animate({
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opacity : 1
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}, 200, 'easeOutQuad', module.event.resetStyle)
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.end()
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.slideDown(100, 'easeOutQuad', module.event.resetStyle)
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;
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}
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else {
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module.error(errors.animation);
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}
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},
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hide: function() {
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module.verbose('Doing menu hiding animation');
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if(animation.hide == 'none') {
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$menu
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.hide()
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;
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}
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else if(animation.hide == 'fade') {
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$menu
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.show()
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.clearQueue()
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.fadeOut(150, module.event.resetStyle)
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;
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}
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else if(animation.hide == 'slide') {
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$menu
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.show()
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.clearQueue()
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.children()
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.clearQueue()
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.css('opacity', 1)
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.animate({
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opacity : 0
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}, 100, 'easeOutQuad', module.event.resetStyle)
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.end()
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.delay(50)
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.slideUp(100, 'easeOutQuad', module.event.resetStyle)
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;
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}
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else {
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module.error(errors.animation);
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}
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}
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},
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show: function() {
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module.debug('Checking if dropdown can show');
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if( !module.is.visible() ) {
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module.hideOthers();
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$module
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.addClass(className.visible)
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;
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module.animate.show();
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if( module.can.click() ) {
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module.intent.bind();
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}
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$.proxy(settings.onShow, $module.get() )();
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}
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},
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hide: function() {
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if( !module.is.hidden() ) {
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module.debug('Hiding dropdown');
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$module
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.removeClass(className.visible)
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;
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if( module.can.click() ) {
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module.intent.unbind();
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}
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module.animate.hide();
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$.proxy(settings.onHide, $module.get() )();
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}
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},
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delay: {
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show: function() {
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module.verbose('Delaying show event to ensure user intent');
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clearTimeout(module.graceTimer);
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module.graceTimer = setTimeout(module.show, settings.delay.show);
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},
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hide: function() {
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module.verbose('Delaying hide event to ensure user intent');
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clearTimeout(module.graceTimer);
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module.graceTimer = setTimeout(module.hide, settings.delay.hide);
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}
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},
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hideOthers: function() {
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module.verbose('Finding other dropdowns to hide');
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$allModules
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.not($module)
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.has(settings.selector.menu + ':visible')
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.dropdown('hide')
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;
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},
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toggle: function() {
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module.verbose('Toggling menu visibility');
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if( module.is.hidden() ) {
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module.show();
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}
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else {
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module.hide();
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}
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},
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setting: function(name, value) {
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if(value !== undefined) {
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if( $.isPlainObject(name) ) {
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$.extend(true, settings, name);
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}
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else {
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settings[name] = value;
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}
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}
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else {
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return settings[name];
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}
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},
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internal: function(name, value) {
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if(value !== undefined) {
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if( $.isPlainObject(name) ) {
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$.extend(true, module, name);
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}
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else {
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module[name] = value;
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}
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}
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else {
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return module[name];
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}
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},
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debug: function() {
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if(settings.debug) {
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if(settings.performance) {
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module.performance.log(arguments);
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}
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else {
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module.debug = Function.prototype.bind.call(console.info, console, settings.moduleName + ':');
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}
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}
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},
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verbose: function() {
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if(settings.verbose && settings.debug) {
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if(settings.performance) {
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module.performance.log(arguments);
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}
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else {
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module.verbose = Function.prototype.bind.call(console.info, console, settings.moduleName + ':');
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}
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}
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},
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error: function() {
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module.error = Function.prototype.bind.call(console.error, console, settings.moduleName + ':');
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},
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performance: {
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log: function(message) {
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var
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currentTime,
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executionTime,
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previousTime
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;
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if(settings.performance) {
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currentTime = new Date().getTime();
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previousTime = time || currentTime,
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executionTime = currentTime - previousTime;
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time = currentTime;
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performance.push({
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'Element' : element,
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'Name' : message[0],
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'Arguments' : message[1] || '',
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'Execution Time' : executionTime
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});
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}
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clearTimeout(module.performance.timer);
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module.performance.timer = setTimeout(module.performance.display, 100);
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},
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display: function() {
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var
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title = settings.moduleName + ':',
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totalTime = 0
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;
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time = false;
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$.each(performance, function(index, data) {
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totalTime += data['Execution Time'];
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});
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title += ' ' + totalTime + 'ms';
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if(moduleSelector) {
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title += ' \'' + moduleSelector + '\'';
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}
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if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
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console.groupCollapsed(title);
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if(console.table) {
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console.table(performance);
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}
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else {
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$.each(performance, function(index, data) {
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console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
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});
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}
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console.groupEnd();
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}
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performance = [];
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}
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},
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invoke: function(query, passedArguments, context) {
|
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var
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maxDepth,
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found
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;
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passedArguments = passedArguments || queryArguments;
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context = element || context;
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if(typeof query == 'string' && instance !== undefined) {
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query = query.split('.');
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maxDepth = query.length - 1;
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$.each(query, function(depth, value) {
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if( $.isPlainObject( instance[value] ) && (depth != maxDepth) ) {
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instance = instance[value];
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}
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else if( instance[value] !== undefined ) {
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found = instance[value];
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}
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else {
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module.error(errors.method);
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}
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});
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}
|
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if ( $.isFunction( found ) ) {
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instance.verbose('Executing invoked function', found);
|
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return found.apply(context, passedArguments);
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}
|
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return found || false;
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}
|
|
};
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|
|
|
if(methodInvoked) {
|
|
if(instance === undefined) {
|
|
module.initialize();
|
|
}
|
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invokedResponse = module.invoke(query);
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}
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else {
|
|
if(instance !== undefined) {
|
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module.destroy();
|
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}
|
|
module.initialize();
|
|
}
|
|
})
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|
;
|
|
return (invokedResponse)
|
|
? invokedResponse
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|
: this
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;
|
|
};
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|
|
|
$.fn.dropdown.settings = {
|
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|
|
moduleName : 'Dropdown',
|
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namespace : 'dropdown',
|
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|
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verbose : true,
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debug : true,
|
|
performance : true,
|
|
|
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on : 'click',
|
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action : 'hide',
|
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|
|
delay: {
|
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show: 50,
|
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hide: 300
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},
|
|
|
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animation : {
|
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show: 'slide',
|
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hide: 'slide'
|
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},
|
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|
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onChange : function(){},
|
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onShow : function(){},
|
|
onHide : function(){},
|
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|
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errors : {
|
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action : 'You called a dropdown action that was not defined',
|
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method : 'The method you called is not defined.',
|
|
animation : 'The requested animation was not found'
|
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},
|
|
|
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metadata: {
|
|
text : 'text',
|
|
value : 'value'
|
|
},
|
|
|
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selector : {
|
|
menu : '.menu',
|
|
item : '.menu > .item',
|
|
text : '> .text',
|
|
input : '> input[type="hidden"]'
|
|
},
|
|
|
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className : {
|
|
active : 'active',
|
|
placeholder : 'default',
|
|
disabled : 'disabled',
|
|
visible : 'visible'
|
|
}
|
|
|
|
};
|
|
|
|
})( jQuery, window , document );
|