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474 lines
13 KiB
474 lines
13 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 = $.extend(true, {}, $.fn.dropdown.settings, parameters),
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eventNamespace = '.' + settings.namespace,
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moduleNamespace = 'module-' + settings.namespace,
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selector = $allModules.selector || '',
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time = new Date().getTime(),
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performance = [],
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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invokedResponse
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;
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$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', $module);
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console.log(settings.on);
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if(isTouchDevice) {
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$module
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.on('touchstart' + eventNamespace, module.toggle)
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;
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}
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else if(settings.on == 'click') {
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$module
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.on('click' + eventNamespace, module.toggle)
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;
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}
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else if(settings.on == 'hover') {
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$module
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.on('mouseenter' + eventNamespace, module.show)
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.on('mouseleave' + eventNamespace, module.delayedHide)
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;
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}
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else {
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$module
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.on(settings.on + eventNamespace, module.toggle)
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;
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}
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$item
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.on('click' + 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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item: {
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click: function () {
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var
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value = $(this).data(metadata.value) || $(this).text()
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;
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if( $.isFunction( module.action[settings.action] ) ) {
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module.verbose('Triggering preset item action', settings.action);
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module.action[ settings.action ](value);
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}
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else if( $.isFunction(settings.action) ) {
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module.verbose('Triggering user action', settings.action);
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settings.action(value);
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}
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else {
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module.error(errors.action);
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}
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$.proxy(settings.onChange, $menu.get())(value);
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}
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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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if( $(event.target).closest($menu).size() == 0 ) {
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callback();
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event.stopPropagation();
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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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$(document)
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.on('click', function(event) {
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module.intent.test(event, module.hide);
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})
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;
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},
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unbind: function() {
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module.verbose('Removing hide intent event from document');
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$document
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.off('click')
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;
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}
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},
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action: {
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nothing: function() {},
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hide: function() {
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module.hide();
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},
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changeText: function(value) {
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module.debug('Changing text', value);
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$text.text(value);
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module.hide();
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},
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form: function(value) {
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module.debug('Adding selected value to hidden input', value);
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$text.text(value);
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$input.val(value);
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module.hide();
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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 == 'show') {
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$menu
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.show()
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;
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}
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else if(animation.show == 'slide') {
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$menu
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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(100)
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.animate({
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opacity : 1
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}, 300, 'easeOutQuad')
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.end()
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.slideDown(200, 'easeOutQuad')
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;
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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 == 'hide') {
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$menu
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.hide()
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;
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}
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else if(animation.hide == 'slide') {
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$menu
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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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}, 300, 'easeOutQuad')
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.end()
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.delay(100)
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.slideUp(200, 'easeOutQuad')
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;
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}
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}
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},
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show: function() {
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clearTimeout(module.graceTimer);
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if( !module.is.visible() ) {
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module.debug('Showing dropdown');
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$module
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.addClass(className.active)
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;
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module.animate.show();
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if( module.can.click() ) {
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module.intent.bind();
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}
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$.proxy(settings.onShow, $menu.get())();
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}
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},
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delayedHide: function() {
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module.verbose('User moused away setting timer to hide dropdown');
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module.graceTimer = setTimeout(module.hide, settings.gracePeriod);
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},
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hide: function() {
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if( !module.is.hidden() ) {
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module.debug('Hiding dropdown');
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$module
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.removeClass(className.active)
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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, $menu.get())();
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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.can.show()) {
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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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module.performance.log(arguments[0]);
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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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verbose: function() {
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if(settings.verbose && settings.debug) {
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module.performance.log(arguments[0]);
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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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error: function() {
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if(console.log !== undefined) {
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module.error = Function.prototype.bind.call(console.log, console, settings.moduleName + ':');
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}
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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,
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'Execution Time' : executionTime
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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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},
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display: function() {
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var
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title = settings.moduleName,
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caption = settings.moduleName + ': ' + selector + '(' + $allModules.size() + ' elements)',
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totalExecutionTime = 0
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;
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if(selector) {
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title += 'Performance (' + selector + ')';
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}
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if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
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console.groupCollapsed(title);
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if(console.table) {
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$.each(performance, function(index, data) {
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totalExecutionTime += data['Execution Time'];
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});
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console.table(performance);
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}
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else {
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$.each(performance, function(index, data) {
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totalExecutionTime += data['Execution Time'];
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});
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}
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console.log('Total Execution Time:', totalExecutionTime +'ms');
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console.groupEnd();
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performance = [];
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time = false;
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}
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}
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},
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invoke: function(query, passedArguments, context) {
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var
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maxDepth,
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found
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;
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passedArguments = passedArguments || queryArguments;
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context = element || context;
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if(typeof query == 'string' && instance !== undefined) {
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query = query.split('.');
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maxDepth = query.length - 1;
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$.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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return true;
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}
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else if( instance[value] !== undefined ) {
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found = instance[value];
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return true;
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}
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module.error(errors.method);
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return false;
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});
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}
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if ( $.isFunction( found ) ) {
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module.verbose('Executing invoked function', found);
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return found.apply(context, passedArguments);
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}
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return found || false;
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}
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};
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if(methodInvoked) {
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if(instance === undefined) {
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module.initialize();
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}
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invokedResponse = module.invoke(query);
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}
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else {
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if(instance !== undefined) {
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module.destroy();
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}
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module.initialize();
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}
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})
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;
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return (invokedResponse)
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? invokedResponse
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: this
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;
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};
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$.fn.dropdown.settings = {
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moduleName : 'Dropdown Module',
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namespace : 'dropdown',
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verbose : true,
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debug : true,
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performance : false,
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action : 'hide',
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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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on : 'click',
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gracePeriod : 300,
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onChange : function(){},
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onShow : function(){},
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onHide : function(){},
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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.'
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},
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metadata: {
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value: 'value'
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},
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selector : {
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menu : '.menu',
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item : '.menu > .item',
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text : '> .text',
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input : '> input[type="hidden"]',
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},
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className : {
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active : 'visible'
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}
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};
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})( jQuery, window , document );
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