diff options
Diffstat (limited to 'library/jquery_ac/jquery.autocomplete.js')
| -rw-r--r-- | library/jquery_ac/jquery.autocomplete.js | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/library/jquery_ac/jquery.autocomplete.js b/library/jquery_ac/jquery.autocomplete.js new file mode 100644 index 000000000..6a7ce8787 --- /dev/null +++ b/library/jquery_ac/jquery.autocomplete.js @@ -0,0 +1,390 @@ +/**
+* Ajax Autocomplete for jQuery, version 1.1.3
+* (c) 2010 Tomas Kirda
+*
+* Ajax Autocomplete for jQuery is freely distributable under the terms of an MIT-style license.
+* For details, see the web site: http://www.devbridge.com/projects/autocomplete/jquery/
+*
+* Last Review: 04/19/2010
+*/
+
+/*jslint onevar: true, evil: true, nomen: true, eqeqeq: true, bitwise: true, regexp: true, newcap: true, immed: true */
+/*global window: true, document: true, clearInterval: true, setInterval: true, jQuery: true */
+
+(function($) {
+
+ var reEscape = new RegExp('(\\' + ['/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\'].join('|\\') + ')', 'g');
+
+ function fnFormatResult(value, data, currentValue) {
+ var pattern = '(' + currentValue.replace(reEscape, '\\$1') + ')';
+ return value.replace(new RegExp(pattern, 'gi'), '<strong>$1<\/strong>');
+ }
+
+ function Autocomplete(el, options) {
+ this.el = $(el);
+ this.el.attr('autocomplete', 'off');
+ this.suggestions = [];
+ this.data = [];
+ this.badQueries = [];
+ this.selectedIndex = -1;
+ this.currentValue = this.el.val();
+ this.intervalId = 0;
+ this.cachedResponse = [];
+ this.onChangeInterval = null;
+ this.ignoreValueChange = false;
+ this.serviceUrl = options.serviceUrl;
+ this.isLocal = false;
+ this.options = {
+ autoSubmit: false,
+ minChars: 1,
+ maxHeight: 300,
+ deferRequestBy: 0,
+ width: 0,
+ highlight: true,
+ params: {},
+ fnFormatResult: fnFormatResult,
+ delimiter: null,
+ zIndex: 9999
+ };
+ this.initialize();
+ this.setOptions(options);
+ }
+
+ $.fn.autocomplete = function(options) {
+ return new Autocomplete(this.get(0)||$('<input />'), options);
+ };
+
+
+ Autocomplete.prototype = {
+
+ killerFn: null,
+
+ initialize: function() {
+
+ var me, uid, autocompleteElId;
+ me = this;
+ uid = Math.floor(Math.random()*0x100000).toString(16);
+ autocompleteElId = 'Autocomplete_' + uid;
+
+ this.killerFn = function(e) {
+ if ($(e.target).parents('.autocomplete').size() === 0) {
+ me.killSuggestions();
+ me.disableKillerFn();
+ }
+ };
+
+ if (!this.options.width) { this.options.width = this.el.width(); }
+ this.mainContainerId = 'AutocompleteContainter_' + uid;
+
+ $('<div id="' + this.mainContainerId + '" style="position:absolute;z-index:9999;"><div class="autocomplete-w1"><div class="autocomplete" id="' + autocompleteElId + '" style="display:none; width:300px;"></div></div></div>').appendTo('body');
+
+ this.container = $('#' + autocompleteElId);
+ this.fixPosition();
+ if (window.opera) {
+ this.el.keypress(function(e) { me.onKeyPress(e); });
+ } else {
+ this.el.keydown(function(e) { me.onKeyPress(e); });
+ }
+ this.el.keyup(function(e) { me.onKeyUp(e); });
+ this.el.blur(function() { me.enableKillerFn(); });
+ this.el.focus(function() { me.fixPosition(); });
+ },
+
+ setOptions: function(options){
+ var o = this.options;
+ $.extend(o, options);
+ if(o.lookup){
+ this.isLocal = true;
+ if($.isArray(o.lookup)){ o.lookup = { suggestions:o.lookup, data:[] }; }
+ }
+ $('#'+this.mainContainerId).css({ zIndex:o.zIndex });
+ this.container.css({ maxHeight: o.maxHeight + 'px', width:o.width });
+ },
+
+ clearCache: function(){
+ this.cachedResponse = [];
+ this.badQueries = [];
+ },
+
+ disable: function(){
+ this.disabled = true;
+ },
+
+ enable: function(){
+ this.disabled = false;
+ },
+
+ fixPosition: function() {
+ var offset = this.el.offset();
+ $('#' + this.mainContainerId).css({ top: (offset.top + this.el.innerHeight()) + 'px', left: offset.left + 'px' });
+ },
+
+ enableKillerFn: function() {
+ var me = this;
+ $(document).bind('click', me.killerFn);
+ },
+
+ disableKillerFn: function() {
+ var me = this;
+ $(document).unbind('click', me.killerFn);
+ },
+
+ killSuggestions: function() {
+ var me = this;
+ this.stopKillSuggestions();
+ this.intervalId = window.setInterval(function() { me.hide(); me.stopKillSuggestions(); }, 300);
+ },
+
+ stopKillSuggestions: function() {
+ window.clearInterval(this.intervalId);
+ },
+
+ onKeyPress: function(e) {
+ if (this.disabled || !this.enabled) { return; }
+ // return will exit the function
+ // and event will not be prevented
+ switch (e.keyCode) {
+ case 27: //KEY_ESC:
+ this.el.val(this.currentValue);
+ this.hide();
+ break;
+ case 9: //KEY_TAB:
+ case 13: //KEY_RETURN:
+ if (this.selectedIndex === -1) {
+ this.hide();
+ return;
+ }
+ this.select(this.selectedIndex);
+ if(e.keyCode === 9){ return; }
+ break;
+ case 38: //KEY_UP:
+ this.moveUp();
+ break;
+ case 40: //KEY_DOWN:
+ this.moveDown();
+ break;
+ default:
+ return;
+ }
+ e.stopImmediatePropagation();
+ e.preventDefault();
+ },
+
+ onKeyUp: function(e) {
+ if(this.disabled){ return; }
+ switch (e.keyCode) {
+ case 38: //KEY_UP:
+ case 40: //KEY_DOWN:
+ return;
+ }
+ clearInterval(this.onChangeInterval);
+ if (this.currentValue !== this.el.val()) {
+ if (this.options.deferRequestBy > 0) {
+ // Defer lookup in case when value changes very quickly:
+ var me = this;
+ this.onChangeInterval = setInterval(function() { me.onValueChange(); }, this.options.deferRequestBy);
+ } else {
+ this.onValueChange();
+ }
+ }
+ },
+
+ onValueChange: function() {
+ clearInterval(this.onChangeInterval);
+ this.currentValue = this.el.val();
+ var q = this.getQuery(this.currentValue);
+ this.selectedIndex = -1;
+ if (this.ignoreValueChange) {
+ this.ignoreValueChange = false;
+ return;
+ }
+ if (q === '' || q.length < this.options.minChars) {
+ this.hide();
+ } else {
+ this.getSuggestions(q);
+ }
+ },
+
+ getQuery: function(val) {
+ var d, arr;
+ d = this.options.delimiter;
+ if (!d) { return $.trim(val); }
+ arr = val.split(d);
+ return $.trim(arr[arr.length - 1]);
+ },
+
+ getSuggestionsLocal: function(q) {
+ var ret, arr, len, val, i;
+ arr = this.options.lookup;
+ len = arr.suggestions.length;
+ ret = { suggestions:[], data:[] };
+ q = q.toLowerCase();
+ for(i=0; i< len; i++){
+ val = arr.suggestions[i];
+ if(val.toLowerCase().indexOf(q) === 0){
+ ret.suggestions.push(val);
+ ret.data.push(arr.data[i]);
+ }
+ }
+ return ret;
+ },
+
+ getSuggestions: function(q) {
+ var cr, me;
+ cr = this.isLocal ? this.getSuggestionsLocal(q) : this.cachedResponse[q];
+ if (cr && $.isArray(cr.suggestions)) {
+ this.suggestions = cr.suggestions;
+ this.data = cr.data;
+ this.suggest();
+ } else if (!this.isBadQuery(q)) {
+ me = this;
+ me.options.params.query = q;
+ $.get(this.serviceUrl, me.options.params, function(txt) { me.processResponse(txt); }, 'text');
+ }
+ },
+
+ isBadQuery: function(q) {
+ var i = this.badQueries.length;
+ while (i--) {
+ if (q.indexOf(this.badQueries[i]) === 0) { return true; }
+ }
+ return false;
+ },
+
+ hide: function() {
+ this.enabled = false;
+ this.selectedIndex = -1;
+ this.container.hide();
+ },
+
+ suggest: function() {
+ if (this.suggestions.length === 0) {
+ this.hide();
+ return;
+ }
+
+ var me, len, div, f, v, i, s, mOver, mClick;
+ me = this;
+ len = this.suggestions.length;
+ f = this.options.fnFormatResult;
+ v = this.getQuery(this.currentValue);
+ mOver = function(xi) { return function() { me.activate(xi); }; };
+ mClick = function(xi) { return function() { me.select(xi); }; };
+ this.container.hide().empty();
+ for (i = 0; i < len; i++) {
+ s = this.suggestions[i];
+ div = $((me.selectedIndex === i ? '<div class="selected"' : '<div') + ' title="' + s + '">' + f(s, this.data[i], v) + '</div>');
+ div.mouseover(mOver(i));
+ div.click(mClick(i));
+ this.container.append(div);
+ }
+ this.enabled = true;
+ this.container.show();
+ },
+
+ processResponse: function(text) {
+ var response;
+ try {
+ response = eval('(' + text + ')');
+ } catch (err) { return; }
+ if (!$.isArray(response.data)) { response.data = []; }
+ if(!this.options.noCache){
+ this.cachedResponse[response.query] = response;
+ if (response.suggestions.length === 0) { this.badQueries.push(response.query); }
+ }
+ if (response.query === this.getQuery(this.currentValue)) {
+ this.suggestions = response.suggestions;
+ this.data = response.data;
+ this.suggest();
+ }
+ },
+
+ activate: function(index) {
+ var divs, activeItem;
+ divs = this.container.children();
+ // Clear previous selection:
+ if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
+ $(divs.get(this.selectedIndex)).removeClass();
+ }
+ this.selectedIndex = index;
+ if (this.selectedIndex !== -1 && divs.length > this.selectedIndex) {
+ activeItem = divs.get(this.selectedIndex);
+ $(activeItem).addClass('selected');
+ }
+ return activeItem;
+ },
+
+ deactivate: function(div, index) {
+ div.className = '';
+ if (this.selectedIndex === index) { this.selectedIndex = -1; }
+ },
+
+ select: function(i) {
+ var selectedValue, f;
+ selectedValue = this.suggestions[i];
+ if (selectedValue) {
+ this.el.val(selectedValue);
+ if (this.options.autoSubmit) {
+ f = this.el.parents('form');
+ if (f.length > 0) { f.get(0).submit(); }
+ }
+ this.ignoreValueChange = true;
+ this.hide();
+ this.onSelect(i);
+ }
+ },
+
+ moveUp: function() {
+ if (this.selectedIndex === -1) { return; }
+ if (this.selectedIndex === 0) {
+ this.container.children().get(0).className = '';
+ this.selectedIndex = -1;
+ this.el.val(this.currentValue);
+ return;
+ }
+ this.adjustScroll(this.selectedIndex - 1);
+ },
+
+ moveDown: function() {
+ if (this.selectedIndex === (this.suggestions.length - 1)) { return; }
+ this.adjustScroll(this.selectedIndex + 1);
+ },
+
+ adjustScroll: function(i) {
+ var activeItem, offsetTop, upperBound, lowerBound;
+ activeItem = this.activate(i);
+ offsetTop = activeItem.offsetTop;
+ upperBound = this.container.scrollTop();
+ lowerBound = upperBound + this.options.maxHeight - 25;
+ if (offsetTop < upperBound) {
+ this.container.scrollTop(offsetTop);
+ } else if (offsetTop > lowerBound) {
+ this.container.scrollTop(offsetTop - this.options.maxHeight + 25);
+ }
+ this.el.val(this.getValue(this.suggestions[i]));
+ },
+
+ onSelect: function(i) {
+ var me, fn, s, d;
+ me = this;
+ fn = me.options.onSelect;
+ s = me.suggestions[i];
+ d = me.data[i];
+ me.el.val(me.getValue(s));
+ if ($.isFunction(fn)) { fn(s, d, me.el); }
+ },
+
+ getValue: function(value){
+ var del, currVal, arr, me;
+ me = this;
+ del = me.options.delimiter;
+ if (!del) { return value; }
+ currVal = me.currentValue;
+ arr = currVal.split(del);
+ if (arr.length === 1) { return value; }
+ return currVal.substr(0, currVal.length - arr[arr.length - 1].length) + value;
+ }
+
+ };
+
+}(jQuery));
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