diff -r ef68113ff309 -r 6288d5685bff fhiiqm/js/jquery/jquery.autocomplete.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fhiiqm/js/jquery/jquery.autocomplete.js Wed Aug 31 14:22:19 2011 +0200 @@ -0,0 +1,502 @@ +jQuery.autocomplete = function(input, options) { + // Create a link to self + var me = this; + + // Create jQuery object for input element + var $input = $(input).attr("autocomplete", "off"); + + // Apply inputClass if necessary + if (options.inputClass) $input.addClass(options.inputClass); + + // Create results + var results = document.createElement("div"); + // Create jQuery object for results + var $results = $(results); + $results.hide().addClass(options.resultsClass).css("position", "absolute"); + if( options.width > 0 ) $results.css("width", options.width); + + // Add to body element + $("body").append(results); + + input.autocompleter = me; + + var timeout = null; + var prev = ""; + var active = -1; + var cache = {}; + var keyb = false; + var hasFocus = false; + var lastKeyPressCode = null; + + // flush cache + function flushCache(){ + cache = {}; + cache.data = {}; + cache.length = 0; + }; + + // flush cache + flushCache(); + + // if there is a data array supplied + if( options.data != null ){ + var sFirstChar = "", stMatchSets = {}, row = []; + + // no url was specified, we need to adjust the cache length to make sure it fits the local data store + if( typeof options.url != "string" ) options.cacheLength = 1; + + // loop through the array and create a lookup structure + for( var i=0; i < options.data.length; i++ ){ + // if row is a string, make an array otherwise just reference the array + row = ((typeof options.data[i] == "string") ? [options.data[i]] : options.data[i]); + + // if the length is zero, don't add to list + if( row[0].length > 0 ){ + // get the first character + sFirstChar = row[0].substring(0, 1).toLowerCase(); + // if no lookup array for this character exists, look it up now + if( !stMatchSets[sFirstChar] ) stMatchSets[sFirstChar] = []; + // if the match is a string + stMatchSets[sFirstChar].push(row); + } + } + + // add the data items to the cache + for( var k in stMatchSets ){ + // increase the cache size + options.cacheLength++; + // add to the cache + addToCache(k, stMatchSets[k]); + } + } + + $input + .keydown(function(e) { + // track last key pressed + lastKeyPressCode = e.keyCode; + switch(e.keyCode) { + case 38: // up + e.preventDefault(); + moveSelect(-1); + break; + case 40: // down + e.preventDefault(); + moveSelect(1); + break; + case 9: // tab + case 13: // return + if( selectCurrent() ){ + // make sure to blur off the current field + $input.get(0).blur(); + e.preventDefault(); + } + break; + default: + active = -1; + if (timeout) clearTimeout(timeout); + timeout = setTimeout(function(){onChange();}, options.delay); + break; + } + }) + .focus(function(){ + // track whether the field has focus, we shouldn't process any results if the field no longer has focus + hasFocus = true; + }) + .blur(function() { + // track whether the field has focus + hasFocus = false; + hideResults(); + }); + + hideResultsNow(); + + function onChange() { + // ignore if the following keys are pressed: [del] [shift] [capslock] + if( lastKeyPressCode == 46 || (lastKeyPressCode > 8 && lastKeyPressCode < 32) ) return $results.hide(); + var v = $input.val(); + if (v == prev) return; + prev = v; + if (v.length >= options.minChars) { + $input.addClass(options.loadingClass); + requestData(v); + } else { + $input.removeClass(options.loadingClass); + $results.hide(); + } + }; + + function moveSelect(step) { + + var lis = $("li", results); + if (!lis) return; + + active += step; + + if (active < 0) { + active = 0; + } else if (active >= lis.size()) { + active = lis.size() - 1; + } + + lis.removeClass("ac_over"); + + $(lis[active]).addClass("ac_over"); + + // Weird behaviour in IE + // if (lis[active] && lis[active].scrollIntoView) { + // lis[active].scrollIntoView(false); + // } + + }; + + function selectCurrent() { + var li = $("li.ac_over", results)[0]; + if (!li) { + var $li = $("li", results); + if (options.selectOnly) { + if ($li.length == 1) li = $li[0]; + } else if (options.selectFirst) { + li = $li[0]; + } + } + if (li) { + selectItem(li); + return true; + } else { + return false; + } + }; + + function selectItem(li) { + if (!li) { + li = document.createElement("li"); + li.extra = []; + li.selectValue = ""; + } + var v = $.trim(li.selectValue ? li.selectValue : li.innerHTML); + input.lastSelected = v; + prev = v; + $results.html(""); + $input.val(v); + hideResultsNow(); + if (options.onItemSelect) setTimeout(function() { options.onItemSelect(li) }, 1); + }; + + // selects a portion of the input string + function createSelection(start, end){ + // get a reference to the input element + var field = $input.get(0); + if( field.createTextRange ){ + var selRange = field.createTextRange(); + selRange.collapse(true); + selRange.moveStart("character", start); + selRange.moveEnd("character", end); + selRange.select(); + } else if( field.setSelectionRange ){ + field.setSelectionRange(start, end); + } else { + if( field.selectionStart ){ + field.selectionStart = start; + field.selectionEnd = end; + } + } + field.focus(); + }; + + // fills in the input box w/the first match (assumed to be the best match) + function autoFill(sValue){ + // if the last user key pressed was backspace, don't autofill + if( lastKeyPressCode != 8 ){ + // fill in the value (keep the case the user has typed) + $input.val($input.val() + sValue.substring(prev.length)); + // select the portion of the value not typed by the user (so the next character will erase) + createSelection(prev.length, sValue.length); + } + }; + + function showResults() { + // get the position of the input field right now (in case the DOM is shifted) + var pos = findPos(input); + // either use the specified width, or autocalculate based on form element + var iWidth = (options.width > 0) ? options.width : $input.width(); + // reposition + $results.css({ + width: parseInt(iWidth) + "px", + top: (pos.y + input.offsetHeight) + "px", + left: pos.x + "px" + }).show(); + }; + + function hideResults() { + if (timeout) clearTimeout(timeout); + timeout = setTimeout(hideResultsNow, 200); + }; + + function hideResultsNow() { + if (timeout) clearTimeout(timeout); + $input.removeClass(options.loadingClass); + if ($results.is(":visible")) { + $results.hide(); + } + if (options.mustMatch) { + var v = $input.val(); + if (v != input.lastSelected) { + selectItem(null); + } + } + }; + + function receiveData(q, data) { + if (data) { + $input.removeClass(options.loadingClass); + results.innerHTML = ""; + + // if the field no longer has focus or if there are no matches, do not display the drop down + if( !hasFocus || data.length == 0 ) return hideResultsNow(); + + if ($.browser.msie) { + // we put a styled iframe behind the calendar so HTML SELECT elements don't show through + $results.append(document.createElement('iframe')); + } + results.appendChild(dataToDom(data)); + // autofill in the complete box w/the first match as long as the user hasn't entered in more data + if( options.autoFill && ($input.val().toLowerCase() == q.toLowerCase()) ) autoFill(data[0][0]); + showResults(); + } else { + hideResultsNow(); + } + }; + + function parseData(data) { + if (!data) return null; + var parsed = []; + var rows = data.split(options.lineSeparator); + for (var i=0; i < rows.length; i++) { + var row = $.trim(rows[i]); + if (row) { + parsed[parsed.length] = row.split(options.cellSeparator); + } + } + return parsed; + }; + + function dataToDom(data) { + var ul = document.createElement("ul"); + var num = data.length; + + // limited results to a max number + if( (options.maxItemsToShow > 0) && (options.maxItemsToShow < num) ) num = options.maxItemsToShow; + + for (var i=0; i < num; i++) { + var row = data[i]; + if (!row) continue; + var li = document.createElement("li"); + if (options.formatItem) { + li.innerHTML = options.formatItem(row, i, num); + li.selectValue = row[0]; + } else { + li.innerHTML = row[0]; + li.selectValue = row[0]; + } + var extra = null; + if (row.length > 1) { + extra = []; + for (var j=1; j < row.length; j++) { + extra[extra.length] = row[j]; + } + } + li.extra = extra; + ul.appendChild(li); + $(li).hover( + function() { $("li", ul).removeClass("ac_over"); $(this).addClass("ac_over"); active = $("li", ul).indexOf($(this).get(0)); }, + function() { $(this).removeClass("ac_over"); } + ).click(function(e) { e.preventDefault(); e.stopPropagation(); selectItem(this) }); + } + return ul; + }; + + function requestData(q) { + if (!options.matchCase) q = q.toLowerCase(); + var data = options.cacheLength ? loadFromCache(q) : null; + // recieve the cached data + if (data) { + receiveData(q, data); + // if an AJAX url has been supplied, try loading the data now + } else if( (typeof options.url == "string") && (options.url.length > 0) ){ + $.get(makeUrl(q), function(data) { + data = parseData(data); + addToCache(q, data); + receiveData(q, data); + }); + // if there's been no data found, remove the loading class + } else { + $input.removeClass(options.loadingClass); + } + }; + + function makeUrl(q) { + var url = options.url + "?q=" + encodeURI(q); + for (var i in options.extraParams) { + url += "&" + i + "=" + encodeURI(options.extraParams[i]); + } + return url; + }; + + function loadFromCache(q) { + if (!q) return null; + if (cache.data[q]) return cache.data[q]; + if (options.matchSubset) { + for (var i = q.length - 1; i >= options.minChars; i--) { + var qs = q.substr(0, i); + var c = cache.data[qs]; + if (c) { + var csub = []; + for (var j = 0; j < c.length; j++) { + var x = c[j]; + var x0 = x[0]; + if (matchSubset(x0, q)) { + csub[csub.length] = x; + } + } + return csub; + } + } + } + return null; + }; + + function matchSubset(s, sub) { + if (!options.matchCase) s = s.toLowerCase(); + var i = s.indexOf(sub); + if (i == -1) return false; + return i == 0 || options.matchContains; + }; + + this.flushCache = function() { + flushCache(); + }; + + this.setExtraParams = function(p) { + options.extraParams = p; + }; + + this.findValue = function(){ + var q = $input.val(); + + if (!options.matchCase) q = q.toLowerCase(); + var data = options.cacheLength ? loadFromCache(q) : null; + if (data) { + findValueCallback(q, data); + } else if( (typeof options.url == "string") && (options.url.length > 0) ){ + $.get(makeUrl(q), function(data) { + data = parseData(data) + addToCache(q, data); + findValueCallback(q, data); + }); + } else { + // no matches + findValueCallback(q, null); + } + } + + function findValueCallback(q, data){ + if (data) $input.removeClass(options.loadingClass); + + var num = (data) ? data.length : 0; + var li = null; + + for (var i=0; i < num; i++) { + var row = data[i]; + + if( row[0].toLowerCase() == q.toLowerCase() ){ + li = document.createElement("li"); + if (options.formatItem) { + li.innerHTML = options.formatItem(row, i, num); + li.selectValue = row[0]; + } else { + li.innerHTML = row[0]; + li.selectValue = row[0]; + } + var extra = null; + if( row.length > 1 ){ + extra = []; + for (var j=1; j < row.length; j++) { + extra[extra.length] = row[j]; + } + } + li.extra = extra; + } + } + + if( options.onFindValue ) setTimeout(function() { options.onFindValue(li) }, 1); + } + + function addToCache(q, data) { + if (!data || !q || !options.cacheLength) return; + if (!cache.length || cache.length > options.cacheLength) { + flushCache(); + cache.length++; + } else if (!cache[q]) { + cache.length++; + } + cache.data[q] = data; + }; + + function findPos(obj) { + var curleft = obj.offsetLeft || 0; + var curtop = obj.offsetTop || 0; + while (obj = obj.offsetParent) { + curleft += obj.offsetLeft + curtop += obj.offsetTop + } + return {x:curleft,y:curtop}; + } +} + +jQuery.fn.autocomplete = function(url, options, data) { + // Make sure options exists + options = options || {}; + // Set url as option + options.url = url; + // set some bulk local data + options.data = ((typeof data == "object") && (data.constructor == Array)) ? data : null; + + // Set default values for required options + options.inputClass = options.inputClass || "ac_input"; + options.resultsClass = options.resultsClass || "ac_results"; + options.lineSeparator = options.lineSeparator || "\n"; + options.cellSeparator = options.cellSeparator || "|"; + options.minChars = options.minChars || 1; + options.delay = options.delay || 400; + options.matchCase = options.matchCase || 0; + options.matchSubset = options.matchSubset || 1; + options.matchContains = options.matchContains || 0; + options.cacheLength = options.cacheLength || 1; + options.mustMatch = options.mustMatch || 0; + options.extraParams = options.extraParams || {}; + options.loadingClass = options.loadingClass || "ac_loading"; + options.selectFirst = options.selectFirst || false; + options.selectOnly = options.selectOnly || false; + options.maxItemsToShow = options.maxItemsToShow || -1; + options.autoFill = options.autoFill || false; + options.width = parseInt(options.width, 10) || 0; + + this.each(function() { + var input = this; + new jQuery.autocomplete(input, options); + }); + + // Don't break the chain + return this; +} + +jQuery.fn.autocompleteArray = function(data, options) { + return this.autocomplete(null, options, data); +} + +jQuery.fn.indexOf = function(e){ + for( var i=0; i