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add swWidgetFormJQueryMultiAutocompleter

git-svn-id: http://svn.symfony-project.com/plugins/swToolboxPlugin/sf1.1/trunk@13671 ee427ae8-e902-0410-961c-c3ed070cd9f9
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commit b9c7cc6f1eba96aa029caeb59e9003c46e43f381 1 parent 6c52e07
Thomas authored
19 LICENSE
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+Copyright (c) 2008 Thomas Rabaix
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
34 LICENSE.autocomplete
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+swWidgetFormJQueryMultiAutocompleter.php is based on sfWidgetFormJQueryAutocompleter from
+sfFormExtraPlugin available at http://www.symfony-project.org/plugins/sfFormExtraPlugin
+
+Copyright (c) 2008 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+
+---
+
+jquery.autocompleter.js
+
+Copyright (c) 2007 Dylan Verheul, Dan G. Switzer, Anjesh Tuladhar, Jörn Zaefferer
+
+Dual licensed under the MIT and GPL licenses:
+ http://www.opensource.org/licenses/mit-license.php
+ http://www.gnu.org/licenses/gpl.html
+
110 lib/widgets/swWidgetFormJQueryMultiAutocompleter.php
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+<?php
+
+/*
+ * This file is part of the swToolboxPlugin package.
+ * (c) Thomas Rabaix <thomas.rabaix@soleoweb.com>
+ * adapted from the work of Fabien Potencier <fabien.potencier@symfony-project.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * swWidgetFormJQueryMultiAutocompleter represents an autocompleter input widget rendered by JQuery.
+ *
+ * This autocompleter can be use to display multiple values.
+ *
+ * This widget needs JQuery to work.
+ *
+ * You also need to include the JavaScripts and stylesheets files returned by the getJavaScripts()
+ * and getStylesheets() methods.
+ *
+ * If you use symfony 1.2, it can be done automatically for you.
+ *
+ * @package swToolboxPlugin
+ * @subpackage widgets
+ * @author Thomas Rabaix <thomas.rabaix@soleoweb.com>
+ * @version SVN: $Id$
+ */
+class swWidgetFormJQueryMultiAutocompleter extends sfWidgetFormInput
+{
+ /**
+ * Configures the current widget.
+ *
+ * Available options:
+ *
+ * * url: The URL to call to get the choices to use (required)
+ * * config: A JavaScript array that configures the JQuery autocompleter widget
+ *
+ * @param array $options An array of options
+ * @param array $attributes An array of default HTML attributes
+ *
+ * @see sfWidgetForm
+ */
+ protected function configure($options = array(), $attributes = array())
+ {
+ $this->addRequiredOption('url');
+ $this->addOption('config', '{ }');
+
+ parent::configure($options, $attributes);
+ }
+
+ /**
+ * @param string $name The element name
+ * @param string $value The value displayed in this widget
+ * @param array $attributes An array of HTML attributes to be merged with the default HTML attributes
+ * @param array $errors An array of errors for the field
+ *
+ * @return string An HTML tag string
+ *
+ * @see sfWidgetForm
+ */
+ public function render($name, $value = null, $attributes = array(), $errors = array())
+ {
+ return $this->renderTag('input', array('type' => 'hidden', 'name' => $name, 'value' => $value)).
+ parent::render('autocomplete_'.$name, $value, $attributes, $errors).
+ sprintf(<<<EOF
+<script type="text/javascript">
+ \$("#%s")
+ .autocomplete('%s', \$.extend({}, {
+ dataType: 'json',
+ multiple: true,
+ parse: function(data) {
+ var parsed = [];
+ for (key in data) {
+ parsed[parsed.length] = { data: [ data[key], key ], value: data[key], result: data[key] };
+ }
+ return parsed;
+ }
+ }, %s))
+ .result(function(event, data) { \$("#%s").val(jQuery(event.target).val()); });
+</script>
+EOF
+ ,
+ $this->generateId('autocomplete_'.$name),
+ $this->getOption('url'),
+ $this->getOption('config'),
+ $this->generateId($name)
+ );
+ }
+
+ /**
+ * Gets the stylesheet paths associated with the widget.
+ *
+ * @return array An array of stylesheet paths
+ */
+ public function getStylesheets()
+ {
+ return array('/swToolboxPlugin/js/autocompleter/jquery.autocompleter.css' => 'print');
+ }
+
+ /**
+ * Gets the JavaScript paths associated with the widget.
+ *
+ * @return array An array of JavaScript paths
+ */
+ public function getJavascripts()
+ {
+ return array('/swToolboxPlugin/js/autocompleter/jquery.autocompleter.js');
+ }
+}
BIN  web/js/autocompleter/indicator.gif
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48 web/js/autocompleter/jquery.autocompleter.css
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+.ac_results {
+ padding: 0px;
+ border: 1px solid black;
+ background-color: white;
+ overflow: hidden;
+ z-index: 99999;
+}
+
+.ac_results ul {
+ width: 100%;
+ list-style-position: outside;
+ list-style: none;
+ padding: 0;
+ margin: 0;
+}
+
+.ac_results li {
+ margin: 0px;
+ padding: 2px 5px;
+ cursor: default;
+ display: block;
+ /*
+ if width will be 100% horizontal scrollbar will apear
+ when scroll mode will be used
+ */
+ /*width: 100%;*/
+ font: menu;
+ font-size: 12px;
+ /*
+ it is very important, if line-height not setted or setted
+ in relative units scroll will be broken in firefox
+ */
+ line-height: 16px;
+ overflow: hidden;
+}
+
+.ac_loading {
+ background: white url('indicator.gif') right center no-repeat;
+}
+
+.ac_odd {
+ background-color: #eee;
+}
+
+.ac_over {
+ background-color: #0A246A;
+ color: white;
+}
762 web/js/autocompleter/jquery.autocompleter.js
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+/*
+ * Autocomplete - jQuery plugin 1.1pre
+ *
+ * Copyright (c) 2007 Dylan Verheul, Dan G. Switzer, Anjesh Tuladhar, Jörn Zaefferer
+ *
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ * Revision: $Id: jquery.autocomplete.js 5785 2008-07-12 10:37:33Z joern.zaefferer $
+ *
+ */
+
+;(function($) {
+
+$.fn.extend({
+ autocomplete: function(urlOrData, options) {
+ var isUrl = typeof urlOrData == "string";
+ options = $.extend({}, $.Autocompleter.defaults, {
+ url: isUrl ? urlOrData : null,
+ data: isUrl ? null : urlOrData,
+ delay: isUrl ? $.Autocompleter.defaults.delay : 10,
+ max: options && !options.scroll ? 10 : 150
+ }, options);
+
+ // if highlight is set to false, replace it with a do-nothing function
+ options.highlight = options.highlight || function(value) { return value; };
+
+ // if the formatMatch option is not specified, then use formatItem for backwards compatibility
+ options.formatMatch = options.formatMatch || options.formatItem;
+
+ return this.each(function() {
+ new $.Autocompleter(this, options);
+ });
+ },
+ result: function(handler) {
+ return this.bind("result", handler);
+ },
+ search: function(handler) {
+ return this.trigger("search", [handler]);
+ },
+ flushCache: function() {
+ return this.trigger("flushCache");
+ },
+ setOptions: function(options){
+ return this.trigger("setOptions", [options]);
+ },
+ unautocomplete: function() {
+ return this.trigger("unautocomplete");
+ }
+});
+
+$.Autocompleter = function(input, options) {
+
+ var KEY = {
+ UP: 38,
+ DOWN: 40,
+ DEL: 46,
+ TAB: 9,
+ RETURN: 13,
+ ESC: 27,
+ COMMA: 188,
+ PAGEUP: 33,
+ PAGEDOWN: 34,
+ BACKSPACE: 8
+ };
+
+ // Create $ object for input element
+ var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass);
+
+ var timeout;
+ var previousValue = "";
+ var cache = $.Autocompleter.Cache(options);
+ var hasFocus = 0;
+ var lastKeyPressCode;
+ var config = {
+ mouseDownOnSelect: false
+ };
+ var select = $.Autocompleter.Select(options, input, selectCurrent, config);
+
+ var blockSubmit;
+
+ // prevent form submit in opera when selecting with return key
+ $.browser.opera && $(input.form).bind("submit.autocomplete", function() {
+ if (blockSubmit) {
+ blockSubmit = false;
+ return false;
+ }
+ });
+
+ // only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all
+ $input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event) {
+ // track last key pressed
+ lastKeyPressCode = event.keyCode;
+ switch(event.keyCode) {
+
+ case KEY.UP:
+ event.preventDefault();
+ if ( select.visible() ) {
+ select.prev();
+ } else {
+ onChange(0, true);
+ }
+ break;
+
+ case KEY.DOWN:
+ event.preventDefault();
+ if ( select.visible() ) {
+ select.next();
+ } else {
+ onChange(0, true);
+ }
+ break;
+
+ case KEY.PAGEUP:
+ event.preventDefault();
+ if ( select.visible() ) {
+ select.pageUp();
+ } else {
+ onChange(0, true);
+ }
+ break;
+
+ case KEY.PAGEDOWN:
+ event.preventDefault();
+ if ( select.visible() ) {
+ select.pageDown();
+ } else {
+ onChange(0, true);
+ }
+ break;
+
+ // matches also semicolon
+ case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
+ case KEY.TAB:
+ case KEY.RETURN:
+ if( selectCurrent() ) {
+ // stop default to prevent a form submit, Opera needs special handling
+ event.preventDefault();
+ blockSubmit = true;
+ return false;
+ }
+ break;
+
+ case KEY.ESC:
+ select.hide();
+ break;
+
+ default:
+ clearTimeout(timeout);
+ timeout = setTimeout(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++;
+ }).blur(function() {
+ hasFocus = 0;
+ if (!config.mouseDownOnSelect) {
+ hideResults();
+ }
+ }).click(function() {
+ // show select when clicking in a focused field
+ if ( hasFocus++ > 1 && !select.visible() ) {
+ onChange(0, true);
+ }
+ }).bind("search", function() {
+ // TODO why not just specifying both arguments?
+ var fn = (arguments.length > 1) ? arguments[1] : null;
+ function findValueCallback(q, data) {
+ var result;
+ if( data && data.length ) {
+ for (var i=0; i < data.length; i++) {
+ if( data[i].result.toLowerCase() == q.toLowerCase() ) {
+ result = data[i];
+ break;
+ }
+ }
+ }
+ if( typeof fn == "function" ) fn(result);
+ else $input.trigger("result", result && [result.data, result.value]);
+ }
+ $.each(trimWords($input.val()), function(i, value) {
+ request(value, findValueCallback, findValueCallback);
+ });
+ }).bind("flushCache", function() {
+ cache.flush();
+ }).bind("setOptions", function() {
+ $.extend(options, arguments[1]);
+ // if we've updated the data, repopulate
+ if ( "data" in arguments[1] )
+ cache.populate();
+ }).bind("unautocomplete", function() {
+ select.unbind();
+ $input.unbind();
+ $(input.form).unbind(".autocomplete");
+ });
+
+
+ function selectCurrent() {
+ var selected = select.selected();
+ if( !selected )
+ return false;
+
+ var v = selected.result;
+ previousValue = v;
+
+ if ( options.multiple ) {
+ var words = trimWords($input.val());
+ if ( words.length > 1 ) {
+ v = words.slice(0, words.length - 1).join( options.multipleSeparator ) + options.multipleSeparator + v;
+ }
+ v += options.multipleSeparator;
+ }
+
+ $input.val(v);
+ hideResultsNow();
+ $input.trigger("result", [selected.data, selected.value]);
+ return true;
+ }
+
+ function onChange(crap, skipPrevCheck) {
+ if( lastKeyPressCode == KEY.DEL ) {
+ select.hide();
+ return;
+ }
+
+ var currentValue = $input.val();
+
+ if ( !skipPrevCheck && currentValue == previousValue )
+ return;
+
+ previousValue = currentValue;
+
+ currentValue = lastWord(currentValue);
+ if ( currentValue.length >= options.minChars) {
+ $input.addClass(options.loadingClass);
+ if (!options.matchCase)
+ currentValue = currentValue.toLowerCase();
+ request(currentValue, receiveData, hideResultsNow);
+ } else {
+ stopLoading();
+ select.hide();
+ }
+ };
+
+ function trimWords(value) {
+ if ( !value ) {
+ return [""];
+ }
+ var words = value.split( options.multipleSeparator );
+ var result = [];
+ $.each(words, function(i, value) {
+ if ( $.trim(value) )
+ result[i] = $.trim(value);
+ });
+ return result;
+ }
+
+ function lastWord(value) {
+ if ( !options.multiple )
+ return value;
+ var words = trimWords(value);
+ return words[words.length - 1];
+ }
+
+ // fills in the input box w/the first match (assumed to be the best match)
+ // q: the term entered
+ // sValue: the first matching result
+ function autoFill(q, sValue){
+ // autofill in the complete box w/the first match as long as the user hasn't entered in more data
+ // if the last user key pressed was backspace, don't autofill
+ if( options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE ) {
+ // fill in the value (keep the case the user has typed)
+ $input.val($input.val() + sValue.substring(lastWord(previousValue).length));
+ // select the portion of the value not typed by the user (so the next character will erase)
+ $.Autocompleter.Selection(input, previousValue.length, previousValue.length + sValue.length);
+ }
+ };
+
+ function hideResults() {
+ clearTimeout(timeout);
+ timeout = setTimeout(hideResultsNow, 200);
+ };
+
+ function hideResultsNow() {
+ var wasVisible = select.visible();
+ select.hide();
+ clearTimeout(timeout);
+ stopLoading();
+ if (options.mustMatch) {
+ // call search and run callback
+ $input.search(
+ function (result){
+ // if no value found, clear the input box
+ if( !result ) {
+ if (options.multiple) {
+ var words = trimWords($input.val()).slice(0, -1);
+ $input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") );
+ }
+ else
+ $input.val( "" );
+ }
+ }
+ );
+ }
+ if (wasVisible)
+ // position cursor at end of input field
+ $.Autocompleter.Selection(input, input.value.length, input.value.length);
+ };
+
+ function receiveData(q, data) {
+ if ( data && data.length && hasFocus ) {
+ stopLoading();
+ select.display(data, q);
+ autoFill(q, data[0].value);
+ select.show();
+ } else {
+ hideResultsNow();
+ }
+ };
+
+ function request(term, success, failure) {
+ if (!options.matchCase)
+ term = term.toLowerCase();
+ var data = cache.load(term);
+ // recieve the cached data
+ if (data && data.length) {
+ success(term, data);
+ // if an AJAX url has been supplied, try loading the data now
+ } else if( (typeof options.url == "string") && (options.url.length > 0) ){
+
+ var extraParams = {
+ timestamp: +new Date()
+ };
+ $.each(options.extraParams, function(key, param) {
+ extraParams[key] = typeof param == "function" ? param() : param;
+ });
+
+ $.ajax({
+ // try to leverage ajaxQueue plugin to abort previous requests
+ mode: "abort",
+ // limit abortion to this input
+ port: "autocomplete" + input.name,
+ dataType: options.dataType,
+ url: options.url,
+ data: $.extend({
+ q: lastWord(term),
+ limit: options.max
+ }, extraParams),
+ success: function(data) {
+ var parsed = options.parse && options.parse(data) || parse(data);
+ cache.add(term, parsed);
+ success(term, parsed);
+ }
+ });
+ } else {
+ // if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
+ select.emptyList();
+ failure(term);
+ }
+ };
+
+ function parse(data) {
+ var parsed = [];
+ var rows = data.split("\n");
+ for (var i=0; i < rows.length; i++) {
+ var row = $.trim(rows[i]);
+ if (row) {
+ row = row.split("|");
+ parsed[parsed.length] = {
+ data: row,
+ value: row[0],
+ result: options.formatResult && options.formatResult(row, row[0]) || row[0]
+ };
+ }
+ }
+ return parsed;
+ };
+
+ function stopLoading() {
+ $input.removeClass(options.loadingClass);
+ };
+
+};
+
+$.Autocompleter.defaults = {
+ inputClass: "ac_input",
+ resultsClass: "ac_results",
+ loadingClass: "ac_loading",
+ minChars: 1,
+ delay: 400,
+ matchCase: false,
+ matchSubset: true,
+ matchContains: false,
+ cacheLength: 10,
+ max: 100,
+ mustMatch: false,
+ extraParams: {},
+ selectFirst: true,
+ formatItem: function(row) { return row[0]; },
+ formatMatch: null,
+ autoFill: false,
+ width: 0,
+ multiple: false,
+ multipleSeparator: ", ",
+ highlight: function(value, term) {
+ return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
+ },
+ scroll: true,
+ scrollHeight: 180
+};
+
+$.Autocompleter.Cache = function(options) {
+
+ var data = {};
+ var length = 0;
+
+ function matchSubset(s, sub) {
+ if (!options.matchCase)
+ s = s.toLowerCase();
+ var i = s.indexOf(sub);
+ if (options.matchContains == "word"){
+ i = s.toLowerCase().search("\\b" + sub.toLowerCase());
+ }
+ if (i == -1) return false;
+ return i == 0 || options.matchContains;
+ };
+
+ function add(q, value) {
+ if (length > options.cacheLength){
+ flush();
+ }
+ if (!data[q]){
+ length++;
+ }
+ data[q] = value;
+ }
+
+ function populate(){
+ if( !options.data ) return false;
+ // track the matches
+ var stMatchSets = {},
+ nullData = 0;
+
+ // no url was specified, we need to adjust the cache length to make sure it fits the local data store
+ if( !options.url ) options.cacheLength = 1;
+
+ // track all options for minChars = 0
+ stMatchSets[""] = [];
+
+ // loop through the array and create a lookup structure
+ for ( var i = 0, ol = options.data.length; i < ol; i++ ) {
+ var rawValue = options.data[i];
+ // if rawValue is a string, make an array otherwise just reference the array
+ rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue;
+
+ var value = options.formatMatch(rawValue, i+1, options.data.length);
+ if ( value === false )
+ continue;
+
+ var firstChar = value.charAt(0).toLowerCase();
+ // if no lookup array for this character exists, look it up now
+ if( !stMatchSets[firstChar] )
+ stMatchSets[firstChar] = [];
+
+ // if the match is a string
+ var row = {
+ value: value,
+ data: rawValue,
+ result: options.formatResult && options.formatResult(rawValue) || value
+ };
+
+ // push the current match into the set list
+ stMatchSets[firstChar].push(row);
+
+ // keep track of minChars zero items
+ if ( nullData++ < options.max ) {
+ stMatchSets[""].push(row);
+ }
+ };
+
+ // add the data items to the cache
+ $.each(stMatchSets, function(i, value) {
+ // increase the cache size
+ options.cacheLength++;
+ // add to the cache
+ add(i, value);
+ });
+ }
+
+ // populate any existing data
+ setTimeout(populate, 25);
+
+ function flush(){
+ data = {};
+ length = 0;
+ }
+
+ return {
+ flush: flush,
+ add: add,
+ populate: populate,
+ load: function(q) {
+ if (!options.cacheLength || !length)
+ return null;
+ /*
+ * if dealing w/local data and matchContains than we must make sure
+ * to loop through all the data collections looking for matches
+ */
+ if( !options.url && options.matchContains ){
+ // track all matches
+ var csub = [];
+ // loop through all the data grids for matches
+ for( var k in data ){
+ // don't search through the stMatchSets[""] (minChars: 0) cache
+ // this prevents duplicates
+ if( k.length > 0 ){
+ var c = data[k];
+ $.each(c, function(i, x) {
+ // if we've got a match, add it to the array
+ if (matchSubset(x.value, q)) {
+ csub.push(x);
+ }
+ });
+ }
+ }
+ return csub;
+ } else
+ // if the exact item exists, use it
+ if (data[q]){
+ return data[q];
+ } else
+ if (options.matchSubset) {
+ for (var i = q.length - 1; i >= options.minChars; i--) {
+ var c = data[q.substr(0, i)];
+ if (c) {
+ var csub = [];
+ $.each(c, function(i, x) {
+ if (matchSubset(x.value, q)) {
+ csub[csub.length] = x;
+ }
+ });
+ return csub;
+ }
+ }
+ }
+ return null;
+ }
+ };
+};
+
+$.Autocompleter.Select = function (options, input, select, config) {
+ var CLASSES = {
+ ACTIVE: "ac_over"
+ };
+
+ var listItems,
+ active = -1,
+ data,
+ term = "",
+ needsInit = true,
+ element,
+ list;
+
+ // Create results
+ function init() {
+ if (!needsInit)
+ return;
+ element = $("<div/>")
+ .hide()
+ .addClass(options.resultsClass)
+ .css("position", "absolute")
+ .appendTo(document.body);
+
+ list = $("<ul/>").appendTo(element).mouseover( function(event) {
+ if(target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI') {
+ active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event));
+ $(target(event)).addClass(CLASSES.ACTIVE);
+ }
+ }).click(function(event) {
+ $(target(event)).addClass(CLASSES.ACTIVE);
+ select();
+ // TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus
+ input.focus();
+ return false;
+ }).mousedown(function() {
+ config.mouseDownOnSelect = true;
+ }).mouseup(function() {
+ config.mouseDownOnSelect = false;
+ });
+
+ if( options.width > 0 )
+ element.css("width", options.width);
+
+ needsInit = false;
+ }
+
+ function target(event) {
+ var element = event.target;
+ while(element && element.tagName != "LI")
+ element = element.parentNode;
+ // more fun with IE, sometimes event.target is empty, just ignore it then
+ if(!element)
+ return [];
+ return element;
+ }
+
+ function moveSelect(step) {
+ listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
+ movePosition(step);
+ var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE);
+ if(options.scroll) {
+ var offset = 0;
+ listItems.slice(0, active).each(function() {
+ offset += this.offsetHeight;
+ });
+ if((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) {
+ list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight());
+ } else if(offset < list.scrollTop()) {
+ list.scrollTop(offset);
+ }
+ }
+ };
+
+ function movePosition(step) {
+ active += step;
+ if (active < 0) {
+ active = listItems.size() - 1;
+ } else if (active >= listItems.size()) {
+ active = 0;
+ }
+ }
+
+ function limitNumberOfItems(available) {
+ return options.max && options.max < available
+ ? options.max
+ : available;
+ }
+
+ function fillList() {
+ list.empty();
+ var max = limitNumberOfItems(data.length);
+ for (var i=0; i < max; i++) {
+ if (!data[i])
+ continue;
+ var formatted = options.formatItem(data[i].data, i+1, max, data[i].value, term);
+ if ( formatted === false )
+ continue;
+ var li = $("<li/>").html( options.highlight(formatted, term) ).addClass(i%2 == 0 ? "ac_even" : "ac_odd").appendTo(list)[0];
+ $.data(li, "ac_data", data[i]);
+ }
+ listItems = list.find("li");
+ if ( options.selectFirst ) {
+ listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
+ active = 0;
+ }
+ // apply bgiframe if available
+ if ( $.fn.bgiframe )
+ list.bgiframe();
+ }
+
+ return {
+ display: function(d, q) {
+ init();
+ data = d;
+ term = q;
+ fillList();
+ },
+ next: function() {
+ moveSelect(1);
+ },
+ prev: function() {
+ moveSelect(-1);
+ },
+ pageUp: function() {
+ if (active != 0 && active - 8 < 0) {
+ moveSelect( -active );
+ } else {
+ moveSelect(-8);
+ }
+ },
+ pageDown: function() {
+ if (active != listItems.size() - 1 && active + 8 > listItems.size()) {
+ moveSelect( listItems.size() - 1 - active );
+ } else {
+ moveSelect(8);
+ }
+ },
+ hide: function() {
+ element && element.hide();
+ listItems && listItems.removeClass(CLASSES.ACTIVE);
+ active = -1;
+ },
+ visible : function() {
+ return element && element.is(":visible");
+ },
+ current: function() {
+ return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]);
+ },
+ show: function() {
+ var offset = $(input).offset();
+ element.css({
+ width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(),
+ top: offset.top + input.offsetHeight,
+ left: offset.left
+ }).show();
+ if(options.scroll) {
+ list.scrollTop(0);
+ list.css({
+ maxHeight: options.scrollHeight,
+ overflow: 'auto'
+ });
+
+ if($.browser.msie && typeof document.body.style.maxHeight === "undefined") {
+ var listHeight = 0;
+ listItems.each(function() {
+ listHeight += this.offsetHeight;
+ });
+ var scrollbarsVisible = listHeight > options.scrollHeight;
+ list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight );
+ if (!scrollbarsVisible) {
+ // IE doesn't recalculate width when scrollbar disappears
+ listItems.width( list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")) );
+ }
+ }
+
+ }
+ },
+ selected: function() {
+ var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE);
+ return selected && selected.length && $.data(selected[0], "ac_data");
+ },
+ emptyList: function (){
+ list && list.empty();
+ },
+ unbind: function() {
+ element && element.remove();
+ }
+ };
+};
+
+$.Autocompleter.Selection = function(field, start, end) {
+ 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();
+};
+
+})(jQuery);
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