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897 lines
28 KiB
897 lines
28 KiB
/*
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* # Semantic - Search
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* http://github.com/semantic-org/semantic-ui/
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*
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*
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* Copyright 2014 Contributor
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* Released under the MIT license
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* http://opensource.org/licenses/MIT
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*
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*/
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;(function ($, window, document, undefined) {
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"use strict";
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$.fn.search = function(parameters) {
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var
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$allModules = $(this),
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moduleSelector = $allModules.selector || '',
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time = new Date().getTime(),
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performance = [],
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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returnedValue
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;
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$(this)
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.each(function() {
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var
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settings = $.extend(true, {}, $.fn.search.settings, parameters),
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className = settings.className,
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selector = settings.selector,
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error = settings.error,
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namespace = settings.namespace,
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eventNamespace = '.' + namespace,
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moduleNamespace = namespace + '-module',
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$module = $(this),
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$prompt = $module.find(selector.prompt),
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$searchButton = $module.find(selector.searchButton),
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$results = $module.find(selector.results),
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$result = $module.find(selector.result),
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$category = $module.find(selector.category),
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element = this,
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instance = $module.data(moduleNamespace),
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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 module');
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var
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prompt = $prompt[0],
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inputEvent = (prompt !== undefined && prompt.oninput !== undefined)
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? 'input'
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: (prompt !== undefined && prompt.onpropertychange !== undefined)
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? 'propertychange'
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: 'keyup'
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;
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if(settings.automatic) {
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$prompt
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.on(inputEvent + eventNamespace, module.throttle)
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;
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}
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$prompt
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.on('focus' + eventNamespace, module.event.focus)
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.on('blur' + eventNamespace, module.event.blur)
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.on('keydown' + eventNamespace, module.handleKeyboard)
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;
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$searchButton
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.on('click' + eventNamespace, module.query)
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;
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$results
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.on('mousedown' + eventNamespace, module.event.result.mousedown)
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.on('mouseup' + eventNamespace, module.event.result.mouseup)
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.on('click' + eventNamespace, selector.result, module.event.result.click)
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;
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module.instantiate();
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},
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instantiate: function() {
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module.verbose('Storing instance of module', module);
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instance = module;
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$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 instance');
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$module
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.removeData(moduleNamespace)
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;
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$prompt
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.off(eventNamespace)
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;
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$searchButton
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.off(eventNamespace)
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;
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$results
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.off(eventNamespace)
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;
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},
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event: {
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focus: function() {
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$module
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.addClass(className.focus)
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;
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clearTimeout(module.timer);
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module.throttle();
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if( module.has.minimumCharacters() ) {
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module.showResults();
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}
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},
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blur: function(event) {
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module.cancel();
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$module
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.removeClass(className.focus)
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;
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if(!module.resultsClicked) {
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module.timer = setTimeout(module.hideResults, settings.hideDelay);
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}
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},
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result: {
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mousedown: function() {
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module.resultsClicked = true;
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},
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mouseup: function() {
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module.resultsClicked = false;
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},
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click: function(event) {
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module.debug('Search result selected');
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var
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$result = $(this),
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$title = $result.find('.title'),
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title = $title.html()
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;
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if(settings.onSelect == 'default' || settings.onSelect.call(this, event) == 'default') {
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var
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$link = $result.find('a[href]').eq(0),
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$title = $result.find(selector.title).eq(0),
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href = $link.attr('href') || false,
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target = $link.attr('target') || false,
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name = ($title.length > 0)
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? $title.text()
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: false
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;
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module.hideResults();
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if(name) {
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$prompt.val(name);
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}
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if(href) {
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if(target == '_blank' || event.ctrlKey) {
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window.open(href);
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}
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else {
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window.location.href = (href);
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}
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}
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}
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}
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}
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},
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handleKeyboard: function(event) {
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var
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// force latest jq dom
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$result = $module.find(selector.result),
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$category = $module.find(selector.category),
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keyCode = event.which,
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keys = {
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backspace : 8,
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enter : 13,
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escape : 27,
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upArrow : 38,
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downArrow : 40
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},
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activeClass = className.active,
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currentIndex = $result.index( $result.filter('.' + activeClass) ),
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resultSize = $result.length,
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newIndex
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;
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// search shortcuts
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if(keyCode == keys.escape) {
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module.verbose('Escape key pressed, blurring search field');
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$prompt
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.trigger('blur')
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;
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}
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// result shortcuts
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if($results.filter(':visible').length > 0) {
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if(keyCode == keys.enter) {
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module.verbose('Enter key pressed, selecting active result');
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if( $result.filter('.' + activeClass).length > 0 ) {
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module.event.result.click.call($result.filter('.' + activeClass), event);
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event.preventDefault();
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return false;
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}
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}
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else if(keyCode == keys.upArrow) {
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module.verbose('Up key pressed, changing active result');
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newIndex = (currentIndex - 1 < 0)
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? currentIndex
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: currentIndex - 1
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;
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$category
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.removeClass(activeClass)
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;
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$result
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.removeClass(activeClass)
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.eq(newIndex)
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.addClass(activeClass)
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.closest($category)
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.addClass(activeClass)
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;
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event.preventDefault();
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}
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else if(keyCode == keys.downArrow) {
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module.verbose('Down key pressed, changing active result');
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newIndex = (currentIndex + 1 >= resultSize)
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? currentIndex
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: currentIndex + 1
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;
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$category
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.removeClass(activeClass)
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;
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$result
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.removeClass(activeClass)
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.eq(newIndex)
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.addClass(activeClass)
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.closest($category)
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.addClass(activeClass)
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;
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event.preventDefault();
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}
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}
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else {
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// query shortcuts
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if(keyCode == keys.enter) {
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module.verbose('Enter key pressed, executing query');
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module.query();
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$searchButton
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.addClass(className.down)
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;
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$prompt
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.one('keyup', function(){
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$searchButton
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.removeClass(className.down)
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;
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})
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;
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}
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}
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},
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query: function() {
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var
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searchTerm = $prompt.val(),
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cachedHTML = module.read.cache(searchTerm)
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;
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if(cachedHTML) {
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module.debug('Reading result for ' + searchTerm + ' from cache');
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module.addResults(cachedHTML);
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}
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else {
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module.debug('Querying for ' + searchTerm);
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if($.isPlainObject(settings.source) || $.isArray(settings.source)) {
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module.search.local(searchTerm);
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}
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else if(settings.apiSettings) {
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module.search.remote(searchTerm);
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}
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else if($.fn.api !== undefined && $.api.settings.api.search !== undefined) {
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module.debug('Searching with default search API endpoint');
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settings.apiSettings = {
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action: 'search'
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};
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module.search.remote(searchTerm);
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}
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else {
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module.error(error.source);
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}
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settings.onSearchQuery.call(element, searchTerm);
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}
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},
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search: {
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local: function(searchTerm) {
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var
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results = [],
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fullTextResults = [],
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searchFields = $.isArray(settings.searchFields)
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? settings.searchFields
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: [settings.searchFields],
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searchRegExp = new RegExp('(?:\s|^)' + searchTerm, 'i'),
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fullTextRegExp = new RegExp(searchTerm, 'i'),
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searchHTML
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;
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$module
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.addClass(className.loading)
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;
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// iterate through search fields in array order
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$.each(searchFields, function(index, field) {
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$.each(settings.source, function(label, content) {
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var
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fieldExists = (typeof content[field] == 'string'),
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notAlreadyResult = ($.inArray(content, results) == -1 && $.inArray(content, fullTextResults) == -1)
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;
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if(fieldExists && notAlreadyResult) {
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if( content[field].match(searchRegExp) ) {
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results.push(content);
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}
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else if( settings.searchFullText && content[field].match(fullTextRegExp) ) {
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fullTextResults.push(content);
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}
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}
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});
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});
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searchHTML = module.generateResults({
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results: $.merge(results, fullTextResults)
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});
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$module
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.removeClass(className.loading)
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;
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module.write.cache(searchTerm, searchHTML);
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module.addResults(searchHTML);
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},
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remote: function(searchTerm) {
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var
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apiSettings = {
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stateContext : $module,
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urlData : {
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query: searchTerm
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},
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onSuccess : function(response) {
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searchHTML = module.generateResults(response);
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module.write.cache(searchTerm, searchHTML);
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module.addResults(searchHTML);
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},
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onFailure : module.error
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},
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searchHTML
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;
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module.cancel();
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module.debug('Executing search');
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$.extend(true, apiSettings, settings.apiSettings);
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$.api(apiSettings);
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}
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},
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throttle: function() {
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clearTimeout(module.timer);
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if(module.has.minimumCharacters()) {
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module.timer = setTimeout(module.query, settings.searchDelay);
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}
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else {
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module.hideResults();
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}
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},
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cancel: function() {
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var
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xhr = $module.data('xhr') || false
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;
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if( xhr && xhr.state() != 'resolved') {
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module.debug('Cancelling last search');
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xhr.abort();
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}
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},
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has: {
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minimumCharacters: function() {
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var
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searchTerm = $prompt.val(),
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numCharacters = searchTerm.length
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;
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return (numCharacters >= settings.minCharacters);
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}
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},
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read: {
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cache: function(name) {
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var
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cache = $module.data('cache')
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;
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return (settings.cache && (typeof cache == 'object') && (cache[name] !== undefined) )
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? cache[name]
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: false
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;
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}
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},
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write: {
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cache: function(name, value) {
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var
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cache = ($module.data('cache') !== undefined)
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? $module.data('cache')
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: {}
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;
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cache[name] = value;
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$module
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.data('cache', cache)
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;
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}
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},
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addResults: function(html) {
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if(settings.onResultsAdd == 'default' || settings.onResultsAdd.call($results, html) == 'default') {
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$results
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.html(html)
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;
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}
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module.showResults();
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},
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showResults: function() {
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if( ($results.filter(':visible').length === 0) && ($prompt.filter(':focus').length > 0) && $results.html() !== '') {
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if(settings.transition && $.fn.transition !== undefined && $module.transition('is supported') && !$results.transition('is inward')) {
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module.debug('Showing results with css animations');
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$results
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.transition({
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animation : settings.transition + ' in',
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duration : settings.duration,
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queue : true
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})
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;
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}
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else {
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module.debug('Showing results with javascript');
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$results
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.stop()
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.fadeIn(settings.duration, settings.easing)
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;
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}
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settings.onResultsOpen.call($results);
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}
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},
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hideResults: function() {
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if($results.filter(':visible').length > 0) {
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if(settings.transition && $.fn.transition !== undefined && $module.transition('is supported') && !$results.transition('is outward')) {
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module.debug('Hiding results with css animations');
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$results
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.transition({
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animation : settings.transition + ' out',
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duration : settings.duration,
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queue : true
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})
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;
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}
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else {
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module.debug('Hiding results with javascript');
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$results
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.stop()
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.fadeIn(settings.duration, settings.easing)
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;
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}
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settings.onResultsClose.call($results);
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}
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},
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generateResults: function(response) {
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module.debug('Generating html from response', response);
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var
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template = settings.templates[settings.type],
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html = ''
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;
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if(($.isPlainObject(response.results) && !$.isEmptyObject(response.results)) || ($.isArray(response.results) && response.results.length > 0) ) {
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if(settings.maxResults > 0) {
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response.results = $.isArray(response.results)
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? response.results.slice(0, settings.maxResults)
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: response.results
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;
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}
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if($.isFunction(template)) {
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html = template(response);
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}
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else {
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module.error(error.noTemplate, false);
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}
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}
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else {
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html = module.displayMessage(error.noResults, 'empty');
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}
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settings.onResults.call(element, response);
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return html;
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},
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displayMessage: function(text, type) {
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type = type || 'standard';
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module.debug('Displaying message', text, type);
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module.addResults( settings.templates.message(text, type) );
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return settings.templates.message(text, type);
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},
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setting: function(name, value) {
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if( $.isPlainObject(name) ) {
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$.extend(true, settings, name);
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}
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else if(value !== undefined) {
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settings[name] = value;
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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( $.isPlainObject(name) ) {
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$.extend(true, module, name);
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}
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else if(value !== undefined) {
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module[name] = value;
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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.name + ':');
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module.debug.apply(console, arguments);
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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.name + ':');
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module.verbose.apply(console, arguments);
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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.name + ':');
|
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module.error.apply(console, arguments);
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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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'Name' : message[0],
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'Arguments' : [].slice.call(message, 1) || '',
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'Element' : element,
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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.name + ':',
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totalTime = 0
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;
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time = false;
|
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clearTimeout(module.performance.timer);
|
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$.each(performance, function(index, data) {
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totalTime += data['Execution Time'];
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});
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title += ' ' + totalTime + 'ms';
|
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if(moduleSelector) {
|
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title += ' \'' + moduleSelector + '\'';
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}
|
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if($allModules.length > 1) {
|
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title += ' ' + '(' + $allModules.length + ')';
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|
}
|
|
if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
|
|
console.groupCollapsed(title);
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if(console.table) {
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console.table(performance);
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}
|
|
else {
|
|
$.each(performance, function(index, data) {
|
|
console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
|
|
});
|
|
}
|
|
console.groupEnd();
|
|
}
|
|
performance = [];
|
|
}
|
|
},
|
|
invoke: function(query, passedArguments, context) {
|
|
var
|
|
object = instance,
|
|
maxDepth,
|
|
found,
|
|
response
|
|
;
|
|
passedArguments = passedArguments || queryArguments;
|
|
context = element || context;
|
|
if(typeof query == 'string' && object !== undefined) {
|
|
query = query.split(/[\. ]/);
|
|
maxDepth = query.length - 1;
|
|
$.each(query, function(depth, value) {
|
|
var camelCaseValue = (depth != maxDepth)
|
|
? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
|
|
: query
|
|
;
|
|
if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
|
|
object = object[camelCaseValue];
|
|
}
|
|
else if( object[camelCaseValue] !== undefined ) {
|
|
found = object[camelCaseValue];
|
|
return false;
|
|
}
|
|
else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
|
|
object = object[value];
|
|
}
|
|
else if( object[value] !== undefined ) {
|
|
found = object[value];
|
|
return false;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
});
|
|
}
|
|
if ( $.isFunction( found ) ) {
|
|
response = found.apply(context, passedArguments);
|
|
}
|
|
else if(found !== undefined) {
|
|
response = found;
|
|
}
|
|
if($.isArray(returnedValue)) {
|
|
returnedValue.push(response);
|
|
}
|
|
else if(returnedValue !== undefined) {
|
|
returnedValue = [returnedValue, response];
|
|
}
|
|
else if(response !== undefined) {
|
|
returnedValue = response;
|
|
}
|
|
return found;
|
|
}
|
|
};
|
|
if(methodInvoked) {
|
|
if(instance === undefined) {
|
|
module.initialize();
|
|
}
|
|
module.invoke(query);
|
|
}
|
|
else {
|
|
if(instance !== undefined) {
|
|
module.destroy();
|
|
}
|
|
module.initialize();
|
|
}
|
|
|
|
})
|
|
;
|
|
|
|
return (returnedValue !== undefined)
|
|
? returnedValue
|
|
: this
|
|
;
|
|
};
|
|
|
|
$.fn.search.settings = {
|
|
|
|
name : 'Search Module',
|
|
namespace : 'search',
|
|
|
|
debug : false,
|
|
verbose : true,
|
|
performance : true,
|
|
|
|
// api config
|
|
apiSettings : false,
|
|
type : 'standard',
|
|
minCharacters : 1,
|
|
|
|
source : false,
|
|
searchFields : [
|
|
'title',
|
|
'description'
|
|
],
|
|
searchFullText : true,
|
|
|
|
automatic : 'true',
|
|
hideDelay : 0,
|
|
searchDelay : 300,
|
|
maxResults : 7,
|
|
cache : true,
|
|
|
|
transition : 'scale',
|
|
duration : 300,
|
|
easing : 'easeOutExpo',
|
|
|
|
// onSelect default action is defined in module
|
|
onSelect : 'default',
|
|
onResultsAdd : 'default',
|
|
|
|
onSearchQuery : function(){},
|
|
onResults : function(response){},
|
|
|
|
onResultsOpen : function(){},
|
|
onResultsClose : function(){},
|
|
|
|
className: {
|
|
active : 'active',
|
|
down : 'down',
|
|
focus : 'focus',
|
|
empty : 'empty',
|
|
loading : 'loading'
|
|
},
|
|
|
|
error : {
|
|
source : 'Cannot search. No source used, and Semantic API module was not included',
|
|
noResults : 'Your search returned no results',
|
|
logging : 'Error in debug logging, exiting.',
|
|
noTemplate : 'A valid template name was not specified.',
|
|
serverError : 'There was an issue with querying the server.',
|
|
method : 'The method you called is not defined.'
|
|
},
|
|
|
|
selector : {
|
|
prompt : '.prompt',
|
|
searchButton : '.search.button',
|
|
results : '.results',
|
|
category : '.category',
|
|
result : '.result',
|
|
title : '.title, .name'
|
|
},
|
|
|
|
templates: {
|
|
escape: function(string) {
|
|
var
|
|
badChars = /[&<>"'`]/g,
|
|
shouldEscape = /[&<>"'`]/,
|
|
escape = {
|
|
"&": "&",
|
|
"<": "<",
|
|
">": ">",
|
|
'"': """,
|
|
"'": "'",
|
|
"`": "`"
|
|
},
|
|
escapedChar = function(chr) {
|
|
return escape[chr];
|
|
}
|
|
;
|
|
if(shouldEscape.test(string)) {
|
|
return string.replace(badChars, escapedChar);
|
|
}
|
|
return string;
|
|
},
|
|
message: function(message, type) {
|
|
var
|
|
html = ''
|
|
;
|
|
if(message !== undefined && type !== undefined) {
|
|
html += ''
|
|
+ '<div class="message ' + type + '">'
|
|
;
|
|
// message type
|
|
if(type == 'empty') {
|
|
html += ''
|
|
+ '<div class="header">No Results</div class="header">'
|
|
+ '<div class="description">' + message + '</div class="description">'
|
|
;
|
|
}
|
|
else {
|
|
html += ' <div class="description">' + message + '</div>';
|
|
}
|
|
html += '</div>';
|
|
}
|
|
return html;
|
|
},
|
|
category: function(response) {
|
|
var
|
|
html = '',
|
|
escape = $.fn.search.settings.templates.escape
|
|
;
|
|
if(response.results !== undefined) {
|
|
// each category
|
|
$.each(response.results, function(index, category) {
|
|
if(category.results !== undefined && category.results.length > 0) {
|
|
html += ''
|
|
+ '<div class="category">'
|
|
+ '<div class="name">' + category.name + '</div>'
|
|
;
|
|
// each item inside category
|
|
$.each(category.results, function(index, result) {
|
|
html += '<div class="result">';
|
|
if(result.url) {
|
|
html += '<a href="' + result.url + '"></a>';
|
|
}
|
|
if(result.image !== undefined) {
|
|
result.image = escape(result.image);
|
|
html += ''
|
|
+ '<div class="image">'
|
|
+ ' <img src="' + result.image + '" alt="">'
|
|
+ '</div>'
|
|
;
|
|
}
|
|
html += '<div class="content">';
|
|
if(result.price !== undefined) {
|
|
result.price = escape(result.price);
|
|
html += '<div class="price">' + result.price + '</div>';
|
|
}
|
|
if(result.title !== undefined) {
|
|
result.title = escape(result.title);
|
|
html += '<div class="title">' + result.title + '</div>';
|
|
}
|
|
if(result.description !== undefined) {
|
|
html += '<div class="description">' + result.description + '</div>';
|
|
}
|
|
html += ''
|
|
+ '</div>'
|
|
+ '</div>'
|
|
;
|
|
});
|
|
html += ''
|
|
+ '</div>'
|
|
;
|
|
}
|
|
});
|
|
if(response.action) {
|
|
html += ''
|
|
+ '<a href="' + response.action.url + '" class="action">'
|
|
+ response.action.text
|
|
+ '</a>';
|
|
}
|
|
return html;
|
|
}
|
|
return false;
|
|
},
|
|
standard: function(response) {
|
|
var
|
|
html = ''
|
|
;
|
|
if(response.results !== undefined) {
|
|
|
|
// each result
|
|
$.each(response.results, function(index, result) {
|
|
if(result.url) {
|
|
html += '<a class="result" href="' + result.url + '">';
|
|
}
|
|
else {
|
|
html += '<a class="result">';
|
|
}
|
|
if(result.image !== undefined) {
|
|
html += ''
|
|
+ '<div class="image">'
|
|
+ ' <img src="' + result.image + '">'
|
|
+ '</div>'
|
|
;
|
|
}
|
|
html += '<div class="content">';
|
|
if(result.price !== undefined) {
|
|
html += '<div class="price">' + result.price + '</div>';
|
|
}
|
|
if(result.title !== undefined) {
|
|
html += '<div class="title">' + result.title + '</div>';
|
|
}
|
|
if(result.description !== undefined) {
|
|
html += '<div class="description">' + result.description + '</div>';
|
|
}
|
|
html += ''
|
|
+ '</div>'
|
|
;
|
|
html += '</a>';
|
|
});
|
|
|
|
if(response.action) {
|
|
html += ''
|
|
+ '<a href="' + response.action.url + '" class="action">'
|
|
+ response.action.text
|
|
+ '</a>';
|
|
}
|
|
return html;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
};
|
|
|
|
})( jQuery, window , document );
|