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path: root/site/app/webroot/js/jquery.autocomplete.js
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-rw-r--r--site/app/webroot/js/jquery.autocomplete.js551
1 files changed, 551 insertions, 0 deletions
diff --git a/site/app/webroot/js/jquery.autocomplete.js b/site/app/webroot/js/jquery.autocomplete.js
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+++ b/site/app/webroot/js/jquery.autocomplete.js
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+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);
+ var $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;
+ var mouseDownOnSelect = false;
+ var hidingResults = false;
+
+ // 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
+ if( selectCurrent() ){
+ // make sure to blur off the current field
+ $input.get(0).blur();
+ e.preventDefault();
+ }
+ break;
+ case 13: // return
+ if( selectCurrent() ){
+ 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;
+ if (!mouseDownOnSelect) {
+ 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 (hidingResults) {
+ return;
+ }
+ hidingResults = true;
+
+ if (timeout) {
+ clearTimeout(timeout);
+ }
+
+ var v = $input.removeClass(options.loadingClass).val();
+
+ if ($results.is(":visible")) {
+ $results.hide();
+ }
+
+ if (options.mustMatch) {
+ if (!input.lastSelected || input.lastSelected != v) {
+ selectItem(null);
+ }
+ }
+
+ hidingResults = false;
+ };
+
+ 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);
+ else
+ li.innerHTML = row[0];
+
+ // AMO change
+ if (options.formatValue)
+ li.selectValue = options.formatValue(row, i, num);
+ else
+ 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)
+ $input.get(0).focus();
+ });
+
+ }
+ $(ul).mousedown(function() {
+ mouseDownOnSelect = true;
+ }).mouseup(function() {
+ mouseDownOnSelect = false;
+ });
+ 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 sep = options.url.indexOf('?') == -1 ? '?' : '&';
+ var url = options.url + sep + "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 = $.extend({
+ inputClass: "ac_input",
+ resultsClass: "ac_results",
+ lineSeparator: "\n",
+ cellSeparator: "|",
+ minChars: 1,
+ delay: 400,
+ matchCase: 0,
+ matchSubset: 1,
+ matchContains: 0,
+ cacheLength: 1,
+ mustMatch: 0,
+ extraParams: {},
+ loadingClass: "ac_loading",
+ selectFirst: false,
+ selectOnly: false,
+ maxItemsToShow: -1,
+ autoFill: false,
+ width: 0
+ }, options);
+ options.width = parseInt(options.width, 10);
+
+ 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<this.length; i++ ){
+ if( this[i] == e ) return i;
+ }
+ return -1;
+};
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