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(function($) { |
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$.uamGroupSuggest = function(input, options) { |
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var $input = $(input).attr("autocomplete", "off"); |
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var $list = $(options.listClass); |
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var $results = $("<ul>"); |
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|
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var timeout = false; // hold timeout ID for suggestion results to appear |
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var prevLength = 0; // last recorded length of $input.val() |
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var cache = []; // cache MRU list |
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var cacheSize = 0; // size of cache in chars (bytes?) |
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|
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$results.addClass(options.resultsClass).appendTo('body'); |
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resetPosition(); |
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|
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$(window).on('load', resetPosition) // just in case user is changing size of page while loading |
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.on('resize', resetPosition); |
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|
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$input.blur(function() { |
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setTimeout(function() { |
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$results.hide() |
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}, 200); |
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}); |
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|
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$input.keydown(processKey); |
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|
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function resetPosition() { |
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// requires jquery.dimension plugin |
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var offset = $input.offset(); |
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$results.css({ |
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top: (offset.top + input.offsetHeight) + 'px', |
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left: offset.left + 'px' |
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}); |
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} |
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|
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function processKey(e) { |
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// handling up/down/escape requires results to be visible |
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// handling enter/tab requires that AND a result to be selected |
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if ((/27$|38$|40$/.test(e.keyCode) && $results.is(':visible')) || |
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(/^13$|^9$/.test(e.keyCode) && getCurrentResult()) |
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) { |
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if (e.preventDefault) { |
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e.preventDefault(); |
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} |
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|
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if (e.stopPropagation) { |
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e.stopPropagation(); |
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} |
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|
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e.cancelBubble = true; |
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e.returnValue = false; |
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|
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switch(e.keyCode) { |
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case 38: // up |
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prevResult(); |
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break; |
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case 40: // down |
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nextResult(); |
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break; |
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case 9: // tab |
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case 13: // return |
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selectCurrentResult(); |
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break; |
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case 27: // escape |
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$results.hide(); |
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break; |
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default: |
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break; |
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} |
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} else if ($input.val().length !== prevLength) { |
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if (timeout !== false) { |
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clearTimeout(parseInt(timeout)); |
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} |
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|
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timeout = setTimeout(suggest, options.delay); |
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prevLength = $input.val().length; |
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} |
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} |
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|
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function suggest() { |
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var q = $.trim($input.val()), items; |
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|
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if (q.length >= options.minchars) { |
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var cached = checkCache(q); |
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|
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if (cached) { |
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displayItems(cached['items']); |
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} else { |
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$.get(options.source, {q: q}, function(response) { |
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$results.hide(); |
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items = parseResponse(response, q); |
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displayItems(items); |
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addToCache(q, items, response.length); |
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}); |
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} |
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} else { |
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$results.hide(); |
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} |
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} |
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|
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function checkCache(q) { |
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for (var i = 0; i < cache.length; i++) { |
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if (cache[i]['q'] === q) { |
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cache.unshift(cache.splice(i, 1)[0]); |
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return cache[0]; |
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} |
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} |
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|
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return false; |
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} |
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|
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function addToCache(q, items, size) { |
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var cached; |
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while (cache.length && (cacheSize + size > options.maxCacheSize)) { |
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cached = cache.pop(); |
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cacheSize -= cached['size']; |
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} |
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|
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cache.push({ |
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q: q, |
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size: size, |
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items: items |
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}); |
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|
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cacheSize += size; |
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} |
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|
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function displayItems(items) { |
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if (!items) { |
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return; |
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} |
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|
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if (!items.length) { |
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$results.hide(); |
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return; |
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} |
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|
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resetPosition(); // when the form moves after the page has loaded |
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|
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var html = ''; |
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|
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for (var i = 0; i < items.length; i++) { |
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var data = $(items[i]).data(); |
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var elementSelector = 'input[value="' + data['dgType'] + '|' + data['dgId'] + '"]'; |
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|
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if ($(elementSelector, $list).length <= 0) { |
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html += '<li>' + items[i] + '</li>'; |
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} |
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} |
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|
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$results.html(html).show(); |
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|
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$results |
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.children('li') |
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.mouseover(function() { |
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$results.children('li').removeClass(options.selectClass); |
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$(this).addClass(options.selectClass); |
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}) |
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.click(function(e) { |
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e.preventDefault(); |
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e.stopPropagation(); |
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selectCurrentResult(); |
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}); |
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} |
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|
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function parseResponse(response, q) { |
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var items = []; |
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var results = JSON.parse(response); |
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|
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// parse returned data for non-empty items |
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for (var i = 0; i < results.length; i++) { |
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var result = results[i]; |
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|
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if (result) { |
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var element = '<span data-dg-id="' + result.id + '" data-dg-type="' + result.type + '" >'; |
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element += result.name.replace( |
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new RegExp(q, 'ig'), |
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function(q) { |
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return '<span class="' + options.matchClass + '" >' + q + '</span>'; |
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} |
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); |
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element += '</span>'; |
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|
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items[items.length] = element; |
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} |
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} |
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|
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return items; |
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} |
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|
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function getCurrentResult() { |
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if (!$results.is(':visible')) { |
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return false; |
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} |
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|
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var $currentResult = $results.children('li.' + options.selectClass); |
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return (!$currentResult.length) ? false : $currentResult; |
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} |
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|
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function getDatetimeInput(formName, id, type) { |
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var $label = $('<label>').attr({ |
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"for": formName + '-' + 'id' + '-' + type |
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}).html(type); |
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|
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var $input = $('<input>').attr({ |
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"type": 'datetime-local', |
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"id": formName + '-' + 'id' + '-' + type, |
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"name": formName + '[' + id + '][' + type + ']' |
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}); |
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|
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return $('<div>').append($label).append($input); |
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} |
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|
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function selectCurrentResult() { |
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var $currentResult = getCurrentResult(); |
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|
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if ($currentResult) { |
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$currentResult = $('span:first-child', $currentResult); |
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|
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var formName = 'uam_dynamic_user_groups'; |
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var dgType = $currentResult.data('dg-type'); |
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var dgId = $currentResult.data('dg-id'); |
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var id = dgType + '|' + dgId; |
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var elementId = 'uam_user_groups-' + id; |
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|
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var $elementInput = $('<input>').attr({ |
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"id": elementId, |
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"type": 'checkbox', |
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"value": id, |
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"name": formName + '[' + id + '][id]', |
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"checked": "checked" |
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}); |
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|
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var $elementLabel = $('<label>').attr({ |
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"for": elementId, |
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"class": 'selectit' |
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}).html($currentResult.html().replace(/(<([^>]+)>)/ig, '')); |
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|
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var $dateButton = $('<span>').attr({ |
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"class": 'uam_group_date' |
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}).html('Setup time based group assignment'); |
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|
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var $dateContainer = $('<div>').attr({ |
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"class": 'uam_group_date_form' |
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}); |
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|
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$dateContainer.append(getDatetimeInput(formName, id, 'fromDate')) |
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.append(getDatetimeInput(formName, id, 'toDate')); |
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|
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var $element = $('<li>') |
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.append($elementInput) |
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.append('\n') |
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.append($elementLabel) |
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.append($dateButton) |
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.append($dateContainer); |
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|
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$list.append($element); |
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|
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$results.hide(); |
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$input.trigger('change'); |
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$input.val(''); |
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|
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if (options.onSelect) { |
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options.onSelect.apply($input[0]); |
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} |
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} |
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} |
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|
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function nextResult() { |
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var $currentResult = getCurrentResult(); |
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|
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if ($currentResult) { |
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$currentResult.removeClass(options.selectClass) |
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.next() |
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.addClass(options.selectClass); |
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} else { |
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$results.children('li:first-child').addClass(options.selectClass); |
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} |
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|
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} |
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|
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function prevResult() { |
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var $currentResult = getCurrentResult(); |
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|
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if ($currentResult) { |
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$currentResult |
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.removeClass(options.selectClass) |
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.prev() |
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.addClass(options.selectClass); |
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} else { |
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$results.children('li:last-child').addClass(options.selectClass); |
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} |
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} |
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}; |
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|
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$.fn.uamGroupSuggest = function(source, options) { |
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if (!source) { |
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return; |
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} |
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|
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options = options || {}; |
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options.source = source; |
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options.delay = options.delay || 100; |
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options.listClass = options.listClass || '.uam_group_selection'; |
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options.resultsClass = options.resultsClass || 'ac_results'; |
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options.selectClass = options.selectClass || 'ac_over'; |
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options.matchClass = options.matchClass || 'ac_match'; |
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options.minchars = options.minchars || 2; |
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options.onSelect = options.onSelect || false; |
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options.maxCacheSize = options.maxCacheSize || 65536; |
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|
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this.each(function() { |
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$.uamGroupSuggest(this, options); |
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}); |
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|
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return this; |
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}; |
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})(jQuery); |
