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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,211 @@ | ||
| document.addEventListener('DOMContentLoaded', function () { | ||
| function suggest(input, options) { | ||
| var cache = [], | ||
| cacheSize = 0, | ||
| results = document.createElement('ul'), | ||
| timeout = null, | ||
| prevLength = 0; | ||
|
|
||
| results.className = options.resultsClass; | ||
| document.body.appendChild(results); | ||
|
|
||
| function getPosition(el) { | ||
| var rect = el.getBoundingClientRect(); | ||
| return { | ||
| top: rect.top + window.scrollY, | ||
| left: rect.left + window.scrollX | ||
| }; | ||
| } | ||
|
|
||
| function updatePosition() { | ||
| var pos = getPosition(input); | ||
| results.style.top = pos.top + input.offsetHeight + 'px'; | ||
| results.style.left = pos.left + 'px'; | ||
| } | ||
|
|
||
| function handleKeyup(e) { | ||
| if (/27$|38$|40$/.test(e.keyCode) && results.style.display !== 'none' || /^13$|^9$/.test(e.keyCode) && getCurrentResult()) { | ||
| e.preventDefault(); | ||
| e.stopPropagation(); | ||
| switch (e.keyCode) { | ||
| case 38: | ||
| selectPrevious(); | ||
| break; | ||
| case 40: | ||
| selectNext(); | ||
| break; | ||
| case 9: | ||
| case 13: | ||
| chooseResult(); | ||
| break; | ||
| case 27: | ||
| results.style.display = 'none'; | ||
| break; | ||
| } | ||
| } else { | ||
| if (input.value.length !== prevLength) { | ||
| clearTimeout(timeout); | ||
| timeout = setTimeout(fetchSuggestions, options.delay); | ||
| prevLength = input.value.length; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function fetchSuggestions() { | ||
| var query = input.value.trim(); | ||
| if (query.length >= options.minchars) { | ||
| var cached = getCached(query); | ||
| if (cached) { | ||
| displayResults(cached.items); | ||
| } else { | ||
| fetch(options.source + '&q=' + encodeURIComponent(query)) | ||
| .then(response => response.text()) | ||
| .then(data => { | ||
| var items = parseResults(data, query); | ||
| displayResults(items); | ||
| addToCache(query, items, data.length); | ||
| }); | ||
| } | ||
| } else { | ||
| results.style.display = 'none'; | ||
| } | ||
| } | ||
|
|
||
| function getCached(query) { | ||
| for (var i = 0; i < cache.length; i++) { | ||
| if (cache[i].q === query) { | ||
| cache.unshift(cache.splice(i, 1)[0]); | ||
| return cache[0]; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| function addToCache(query, items, size) { | ||
| while (cache.length && cacheSize + size > options.maxCacheSize) { | ||
| var cached = cache.pop(); | ||
| cacheSize -= cached.size; | ||
| } | ||
| cache.push({q: query, size: size, items: items}); | ||
| cacheSize += size; | ||
| } | ||
|
|
||
| function displayResults(items) { | ||
| if (items.length) { | ||
| results.innerHTML = ''; | ||
| for (var i = 0; i < items.length; i++) { | ||
| var li = document.createElement('li'); | ||
| li.innerHTML = items[i]; | ||
| li.addEventListener('mouseover', function () { | ||
| var children = results.children; | ||
| for (var j = 0; j < children.length; j++) { | ||
| children[j].classList.remove(options.selectClass); | ||
| } | ||
| this.classList.add(options.selectClass); | ||
| }); | ||
| li.addEventListener('click', function (e) { | ||
| e.preventDefault(); | ||
| e.stopPropagation(); | ||
| chooseResult(); | ||
| }); | ||
| results.appendChild(li); | ||
| } | ||
| results.style.display = 'block'; | ||
| } else { | ||
| results.style.display = 'none'; | ||
| } | ||
| } | ||
|
|
||
| function parseResults(data, query) { | ||
| var items = data.split(options.delimiter).map(item => item.trim()).filter(item => item); | ||
| var regex = new RegExp(query, 'ig'); | ||
| return items.map(item => item.replace(regex, function (match) { | ||
| return '<span class="' + options.matchClass + '">' + match + '</span>'; | ||
| })); | ||
| } | ||
|
|
||
| function getCurrentResult() { | ||
| var selected = results.querySelector('.' + options.selectClass); | ||
| return selected || false; | ||
| } | ||
|
|
||
| function chooseResult() { | ||
| var currentResult = getCurrentResult(); | ||
| if (currentResult) { | ||
| input.value = currentResult.textContent; | ||
| results.style.display = 'none'; | ||
| if (options.onSelect) { | ||
| options.onSelect.apply(input, [currentResult.textContent]); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| function selectNext() { | ||
| var currentResult = getCurrentResult(); | ||
| if (currentResult) { | ||
| var next = currentResult.nextElementSibling; | ||
| currentResult.classList.remove(options.selectClass); | ||
| if (next) { | ||
| next.classList.add(options.selectClass); | ||
| } else { | ||
| results.firstElementChild.classList.add(options.selectClass); | ||
| } | ||
| } else { | ||
| results.firstElementChild.classList.add(options.selectClass); | ||
| } | ||
| } | ||
|
|
||
| function selectPrevious() { | ||
| var currentResult = getCurrentResult(); | ||
| if (currentResult) { | ||
| var prev = currentResult.previousElementSibling; | ||
| currentResult.classList.remove(options.selectClass); | ||
| if (prev) { | ||
| prev.classList.add(options.selectClass); | ||
| } else { | ||
| results.lastElementChild.classList.add(options.selectClass); | ||
| } | ||
| } else { | ||
| results.lastElementChild.classList.add(options.selectClass); | ||
| } | ||
| } | ||
|
|
||
| input.addEventListener('keyup', handleKeyup); | ||
| input.addEventListener('blur', function () { | ||
| setTimeout(function () { | ||
| results.style.display = 'none'; | ||
| }, 200); | ||
| }); | ||
| window.addEventListener('resize', updatePosition); | ||
| window.addEventListener('load', updatePosition); | ||
|
|
||
| updatePosition(); | ||
| } | ||
|
|
||
| function initSuggest() { | ||
| var searchInput = document.querySelector(".search_it-form input[name=search]"); | ||
|
|
||
| if (searchInput) { | ||
| suggest(searchInput, { | ||
| source: 'index.php?rex-api-call=search_it_autocomplete&rnd=' + Math.random(), | ||
| delay: 100, | ||
| resultsClass: 'ac_results', | ||
| selectClass: 'ac_over', | ||
| matchClass: 'ac_match', | ||
| minchars: 2, | ||
| delimiter: '\n', | ||
| onSelect: function (value) { | ||
| var searchForm = searchInput.closest('.search_it-form'); | ||
| if (searchForm.classList.contains('search_it-form-autocomplete')) { | ||
| searchForm.submit(); | ||
| return false; | ||
| } | ||
|
|
||
| }, | ||
| maxCacheSize: 65536 | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| initSuggest(); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| # Installation Autocomplete | ||
|
|
||
| Es stellt ein "Suggest"-PlugIn für die Autovervollständigung bei | ||
| der Suche im Frontend zur Verfügung und generiert einen Code welcher im Template | ||
| eingebunden werden muss. | ||
|
|
||
| ## Requirements | ||
|
|
||
| * Funktionierendes Suchformular, das die HTML-Klasse "search_it-form", | ||
| sowie ein HTML-Eingabefeld für die Suche mit dem Namen "search" beinhaltet. | ||
|
|
||
| ## Installation | ||
|
|
||
| 1. Autocomplete und aktivieren | ||
| 2. Konfiguration im Plugin vornehmen und speichern | ||
| 3. Den generierten Code für das Template herauskopieren und in das Template, | ||
| welches für das Suchfeld verwendet wird, vor dem schließenden `</body>` Tag | ||
| hinzufügen | ||
| 4. Sollte das Suchfeld überall verwendet werden, beispielsweise im Kopf der | ||
| Seite, muss der generierte Code in das entsprechende Template hinzugefügt | ||
| werden | ||
| 5. Optional: CSS und JS Datei in den eigenen Frontend_prozess einbauen ( z.B. | ||
| per Minify oder im Bimmelbam ) | ||
|
|
||
| ## Lizenz | ||
|
|
||
| "Autocomplete" von Manétage steht unter MIT Lizenz. | ||
|
|
||
| ## Rechtliches | ||
|
|
||
| Verwendung auf eigene Gefahr. | ||
|
|
||
| ## Autor | ||
|
|
||
| **Manetage** - Ronny Kemmereit / Pascal Schuchmann | ||
| Norbert Micheel | ||
|
|
||
| **Friends Of REDAXO** | ||
|
|
||
| * http://www.redaxo.org | ||
| * https://github.com/FriendsOfREDAXO |
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