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766 lines
24 KiB
766 lines
24 KiB
/*
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* # Semantic - Search
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* http://github.com/jlukic/semantic-ui/
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*
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*
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* Copyright 2013 Contributors
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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 ($, window, document, undefined) {
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$.fn.search = function(source, 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 = $prompt[0],
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inputEvent = (prompt.oninput !== undefined)
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? 'input'
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: (prompt.onpropertychange !== undefined)
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? 'propertychange'
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: 'keyup'
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;
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// attach events
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$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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if(settings.automatic) {
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$prompt
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.on(inputEvent + eventNamespace, module.search.throttle)
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;
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}
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$searchButton
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.on('click' + eventNamespace, module.search.query)
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;
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$results
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.on('click' + eventNamespace, selector.result, module.results.select)
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;
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module.instantiate();
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},
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instantiate: function() {
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module.verbose('Storing instance of module', module);
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instance = module;
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$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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$module
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.removeData(moduleNamespace)
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;
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},
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event: {
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focus: function() {
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$module
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.addClass(className.focus)
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;
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module.results.show();
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},
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blur: function() {
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module.search.cancel();
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$module
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.removeClass(className.focus)
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;
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module.results.hide();
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}
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},
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handleKeyboard: function(event) {
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var
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// force latest jq dom
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$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 = $result.size(),
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newIndex
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;
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// search shortcuts
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if(keyCode == keys.escape) {
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module.verbose('Escape key pressed, blurring search field');
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$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').size() > 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( $result.filter('.' + activeClass).exists() ) {
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$.proxy(module.results.select, $result.filter('.' + activeClass) )();
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event.preventDefault();
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return false;
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}
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}
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else if(keyCode == keys.upArrow) {
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module.verbose('Up key pressed, changing active result');
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newIndex = (currentIndex - 1 < 0)
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? currentIndex
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: currentIndex - 1
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;
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$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($category)
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.addClass(activeClass)
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;
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event.preventDefault();
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}
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}
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else {
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// query shortcuts
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if(keyCode == keys.enter) {
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module.verbose('Enter key pressed, executing query');
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module.search.query();
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$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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search: {
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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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throttle: 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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clearTimeout(module.timer);
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if(numCharacters >= settings.minCharacters) {
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module.timer = setTimeout(module.search.query, settings.searchThrottle);
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}
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else {
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module.results.hide();
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}
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},
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query: function() {
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var
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searchTerm = $prompt.val(),
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cachedHTML = module.search.cache.read(searchTerm)
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;
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if(cachedHTML) {
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module.debug("Reading result for '" + searchTerm + "' from cache");
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module.results.add(cachedHTML);
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}
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else {
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module.debug("Querying for '" + searchTerm + "'");
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if(typeof source == 'object') {
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module.search.local(searchTerm);
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}
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else {
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module.search.remote(searchTerm);
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}
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$.proxy(settings.onSearchQuery, $module)(searchTerm);
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}
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},
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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(source, function(label, thing) {
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if(typeof thing[field] == 'string' && ($.inArray(thing, results) == -1) && ($.inArray(thing, fullTextResults) == -1) ) {
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if( searchRegExp.test( thing[field] ) ) {
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results.push(thing);
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}
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else if( fullTextRegExp.test( thing[field] ) ) {
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fullTextResults.push(thing);
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}
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}
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});
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});
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searchHTML = module.results.generate({
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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.search.cache.write(searchTerm, searchHTML);
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module.results.add(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 : $module,
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url : source,
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urlData: { query: searchTerm },
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success : function(response) {
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searchHTML = module.results.generate(response);
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module.search.cache.write(searchTerm, searchHTML);
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module.results.add(searchHTML);
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},
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failure : module.error
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},
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searchHTML
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;
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module.search.cancel();
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module.debug('Executing search');
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$.extend(true, apiSettings, settings.apiSettings);
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$.api(apiSettings);
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},
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cache: {
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read: function(name) {
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var
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cache = $module.data('cache')
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;
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return (settings.cache && (typeof cache == 'object') && (cache[name] !== undefined) )
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? cache[name]
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: false
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;
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},
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write: function(name, value) {
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var
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cache = ($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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},
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results: {
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generate: 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 = $.makeArray(response.results).slice(0, settings.maxResults);
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}
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if(response.results.length > 0) {
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if($.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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}
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else {
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html = module.message(error.noResults, 'empty');
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}
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$.proxy(settings.onResults, $module)(response);
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return html;
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},
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add: function(html) {
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if(settings.onResultsAdd == 'default' || $.proxy(settings.onResultsAdd, $results)(html) == 'default') {
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$results
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.html(html)
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;
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}
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module.results.show();
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},
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show: function() {
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if( ($results.filter(':visible').size() === 0) && ($prompt.filter(':focus').size() > 0) && $results.html() !== '') {
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$results
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.stop()
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.fadeIn(200)
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;
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$.proxy(settings.onResultsOpen, $results)();
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}
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},
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hide: function() {
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if($results.filter(':visible').size() > 0) {
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$results
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.stop()
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.fadeOut(200)
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;
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$.proxy(settings.onResultsClose, $results)();
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}
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},
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select: function(event) {
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module.debug('Search result selected');
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var
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$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' || $.proxy(settings.onSelect, this)(event) == 'default') {
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var
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$link = $result.find('a[href]').eq(0),
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href = $link.attr('href') || false,
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target = $link.attr('target') || false
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;
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module.results.hide();
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$prompt
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.val(title)
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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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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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'Element' : element,
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'Name' : message[0],
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'Arguments' : [].slice.call(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.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.size() > 1) {
|
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title += ' ' + '(' + $allModules.size() + ')';
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}
|
|
if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
|
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console.groupCollapsed(title);
|
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if(console.table) {
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console.table(performance);
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}
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else {
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$.each(performance, function(index, data) {
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console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
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|
});
|
|
}
|
|
console.groupEnd();
|
|
}
|
|
performance = [];
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|
}
|
|
},
|
|
invoke: function(query, passedArguments, context) {
|
|
var
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object = instance,
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maxDepth,
|
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found,
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response
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;
|
|
passedArguments = passedArguments || queryArguments;
|
|
context = element || context;
|
|
if(typeof query == 'string' && object !== undefined) {
|
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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)
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|
: query
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|
;
|
|
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 ( $.isFunction( found ) ) {
|
|
response = found.apply(context, passedArguments);
|
|
}
|
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else if(found !== undefined) {
|
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response = found;
|
|
}
|
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if($.isArray(returnedValue)) {
|
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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 : true,
|
|
verbose : true,
|
|
performance : true,
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// onSelect default action is defined in module
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onSelect : 'default',
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onResultsAdd : 'default',
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onSearchQuery : function(){},
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onResults : function(response){},
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onResultsOpen : function(){},
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onResultsClose : function(){},
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automatic : 'true',
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type : 'simple',
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minCharacters : 3,
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searchThrottle : 300,
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maxResults : 7,
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cache : true,
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searchFields : [
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'title',
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'description'
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],
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// api config
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apiSettings: {
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},
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className: {
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active : 'active',
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down : 'down',
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focus : 'focus',
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empty : 'empty',
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loading : 'loading'
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},
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error : {
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noResults : 'Your search returned no results',
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logging : 'Error in debug logging, exiting.',
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noTemplate : 'A valid template name was not specified.',
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serverError : 'There was an issue with querying the server.',
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method : 'The method you called is not defined.'
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},
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selector : {
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prompt : '.prompt',
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searchButton : '.search.button',
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results : '.results',
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category : '.category',
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result : '.result'
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},
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templates: {
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message: function(message, type) {
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var
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html = ''
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;
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if(message !== undefined && type !== undefined) {
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html += ''
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+ '<div class="message ' + type +'">'
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;
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// message type
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if(type == 'empty') {
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html += ''
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+ '<div class="header">No Results</div class="header">'
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+ '<div class="description">' + message + '</div class="description">'
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;
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}
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else {
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html += ' <div class="description">' + message + '</div>';
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}
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html += '</div>';
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}
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return html;
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},
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categories: function(response) {
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var
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html = ''
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;
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if(response.results !== undefined) {
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// each category
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$.each(response.results, function(index, category) {
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if(category.results !== undefined && category.results.length > 0) {
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html += ''
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+ '<div class="category">'
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+ '<div class="name">' + category.name + '</div>'
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;
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// each item inside category
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$.each(category.results, function(index, result) {
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html += '<div class="result">';
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html += '<a href="' + result.url + '"></a>';
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if(result.image !== undefined) {
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html+= ''
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+ '<div class="image">'
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+ ' <img src="' + result.image + '">'
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+ '</div>'
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;
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}
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html += '<div class="info">';
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if(result.price !== undefined) {
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html+= '<div class="price">' + result.price + '</div>';
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}
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if(result.title !== undefined) {
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html+= '<div class="title">' + result.title + '</div>';
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}
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if(result.description !== undefined) {
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html+= '<div class="description">' + result.description + '</div>';
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}
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html += ''
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+ '</div>'
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+ '</div>'
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;
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});
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html += ''
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+ '</div>'
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;
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}
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});
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if(response.resultPage) {
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html += ''
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+ '<a href="' + response.resultPage.url + '" class="all">'
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+ response.resultPage.text
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+ '</a>';
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}
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return html;
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}
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return false;
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},
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simple: function(response) {
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var
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html = ''
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;
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if(response.results !== undefined) {
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// each result
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$.each(response.results, function(index, result) {
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html += '<a class="result" href="' + result.url + '">';
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if(result.image !== undefined) {
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html+= ''
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+ '<div class="image">'
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+ ' <img src="' + result.image + '">'
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+ '</div>'
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;
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}
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html += '<div class="info">';
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if(result.price !== undefined) {
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html+= '<div class="price">' + result.price + '</div>';
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}
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if(result.title !== undefined) {
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html+= '<div class="title">' + result.title + '</div>';
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}
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if(result.description !== undefined) {
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html+= '<div class="description">' + result.description + '</div>';
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}
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html += ''
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+ '</div>'
|
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+ '</a>'
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;
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});
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if(response.resultPage) {
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html += ''
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+ '<a href="' + response.resultPage.url + '" class="all">'
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+ response.resultPage.text
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+ '</a>';
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}
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return html;
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}
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return false;
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}
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}
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};
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})( jQuery, window , document );
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