2010-01-14 17:23:11 +00:00
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/*
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* jQuery UI Autocomplete @VERSION
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*
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2011-01-17 14:13:18 +00:00
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* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
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2010-07-09 13:01:04 +00:00
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* Dual licensed under the MIT or GPL Version 2 licenses.
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* http://jquery.org/license
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2010-01-14 17:23:11 +00:00
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*
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* http://docs.jquery.com/UI/Autocomplete
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*
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* Depends:
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* jquery.ui.core.js
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* jquery.ui.widget.js
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2010-03-11 22:06:29 +00:00
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* jquery.ui.position.js
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2010-04-21 19:01:08 +00:00
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* jquery.ui.menu.js
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2010-01-14 17:23:11 +00:00
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*/
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2010-07-13 13:57:58 +00:00
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(function( $, undefined ) {
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2010-01-14 17:23:11 +00:00
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2011-01-27 19:49:59 +00:00
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// used to prevent race conditions with remote data sources
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var requestIndex = 0;
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2010-01-17 18:51:11 +00:00
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$.widget( "ui.autocomplete", {
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2011-01-23 22:55:53 +00:00
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defaultElement: "<input>",
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2010-01-14 17:23:11 +00:00
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options: {
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2010-07-21 18:54:20 +00:00
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appendTo: "body",
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2010-07-19 13:28:04 +00:00
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delay: 300,
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2010-01-14 17:23:11 +00:00
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minLength: 1,
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2010-07-19 13:28:04 +00:00
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position: {
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my: "left top",
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at: "left bottom",
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collision: "none"
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},
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source: null
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2010-01-14 17:23:11 +00:00
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},
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2010-12-17 16:15:17 +00:00
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pending: 0,
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2010-01-15 18:58:20 +00:00
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_create: function() {
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2010-03-11 03:28:00 +00:00
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var self = this,
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2010-10-06 14:24:03 +00:00
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doc = this.element[ 0 ].ownerDocument,
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suppressKeyPress;
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2010-01-14 17:23:11 +00:00
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this.element
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2010-02-20 01:38:30 +00:00
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.addClass( "ui-autocomplete-input" )
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2010-01-17 18:51:11 +00:00
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.attr( "autocomplete", "off" )
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2010-01-14 17:23:11 +00:00
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// TODO verify these actually work as intended
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.attr({
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role: "textbox",
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"aria-autocomplete": "list",
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"aria-haspopup": "true"
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})
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2010-01-17 18:51:11 +00:00
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.bind( "keydown.autocomplete", function( event ) {
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2010-10-11 21:23:50 +00:00
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if ( self.options.disabled || self.element.attr( "readonly" ) ) {
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2010-07-30 16:59:33 +00:00
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return;
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}
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2010-10-06 14:24:03 +00:00
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suppressKeyPress = false;
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2010-01-14 17:23:11 +00:00
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var keyCode = $.ui.keyCode;
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2010-01-17 18:51:11 +00:00
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switch( event.keyCode ) {
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2010-01-14 17:23:11 +00:00
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case keyCode.PAGE_UP:
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2010-01-17 18:51:11 +00:00
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self._move( "previousPage", event );
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2010-01-14 17:23:11 +00:00
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break;
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case keyCode.PAGE_DOWN:
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2010-01-17 18:51:11 +00:00
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self._move( "nextPage", event );
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2010-01-14 17:23:11 +00:00
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break;
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case keyCode.UP:
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2010-01-17 18:51:11 +00:00
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self._move( "previous", event );
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2010-01-14 17:23:11 +00:00
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// prevent moving cursor to beginning of text field in some browsers
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event.preventDefault();
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break;
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case keyCode.DOWN:
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2010-01-17 18:51:11 +00:00
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self._move( "next", event );
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2010-01-14 17:23:11 +00:00
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// prevent moving cursor to end of text field in some browsers
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event.preventDefault();
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break;
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case keyCode.ENTER:
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2010-04-23 17:00:54 +00:00
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case keyCode.NUMPAD_ENTER:
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2010-09-27 14:10:00 +00:00
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// when menu is open and has focus
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if ( self.menu.active ) {
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2010-10-06 14:24:03 +00:00
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// #6055 - Opera still allows the keypress to occur
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// which causes forms to submit
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suppressKeyPress = true;
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2010-01-14 17:23:11 +00:00
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event.preventDefault();
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}
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2010-03-11 22:06:29 +00:00
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//passthrough - ENTER and TAB both select the current element
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2010-01-14 17:23:11 +00:00
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case keyCode.TAB:
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2010-02-20 01:32:55 +00:00
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if ( !self.menu.active ) {
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2010-01-14 17:23:11 +00:00
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return;
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}
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2010-03-20 20:17:56 +00:00
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self.menu.select( event );
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2010-01-14 17:23:11 +00:00
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break;
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case keyCode.ESCAPE:
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2010-01-17 18:51:11 +00:00
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self.element.val( self.term );
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self.close( event );
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2010-01-14 17:23:11 +00:00
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break;
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default:
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// keypress is triggered before the input value is changed
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2010-01-17 18:51:11 +00:00
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clearTimeout( self.searching );
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2010-01-14 17:23:11 +00:00
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self.searching = setTimeout(function() {
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2010-07-20 15:47:34 +00:00
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// only search if the value has changed
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if ( self.term != self.element.val() ) {
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2010-07-20 17:24:53 +00:00
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self.selectedItem = null;
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2010-07-20 15:47:34 +00:00
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self.search( null, event );
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}
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2010-01-17 18:51:11 +00:00
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}, self.options.delay );
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2010-01-14 17:23:11 +00:00
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break;
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}
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})
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2010-10-06 14:24:03 +00:00
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.bind( "keypress.autocomplete", function( event ) {
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if ( suppressKeyPress ) {
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suppressKeyPress = false;
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event.preventDefault();
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}
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})
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2010-01-17 18:51:11 +00:00
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.bind( "focus.autocomplete", function() {
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2010-07-30 16:59:33 +00:00
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if ( self.options.disabled ) {
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return;
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}
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2010-04-08 10:05:52 +00:00
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self.selectedItem = null;
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2010-01-14 17:23:11 +00:00
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self.previous = self.element.val();
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})
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2010-01-17 18:51:11 +00:00
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.bind( "blur.autocomplete", function( event ) {
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2010-07-30 16:59:33 +00:00
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if ( self.options.disabled ) {
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return;
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}
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2010-01-17 18:51:11 +00:00
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clearTimeout( self.searching );
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2010-01-14 17:23:11 +00:00
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// clicks on the menu (or a button to trigger a search) will cause a blur event
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self.closing = setTimeout(function() {
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2010-01-17 18:51:11 +00:00
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self.close( event );
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2010-04-08 10:05:52 +00:00
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self._change( event );
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2010-01-17 18:51:11 +00:00
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}, 150 );
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2010-01-14 17:23:11 +00:00
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});
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this._initSource();
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this.response = function() {
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2010-01-17 18:51:11 +00:00
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return self._response.apply( self, arguments );
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2010-01-14 17:23:11 +00:00
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};
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2010-02-08 01:17:04 +00:00
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this.menu = $( "<ul></ul>" )
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2010-02-02 14:04:50 +00:00
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.addClass( "ui-autocomplete" )
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2010-07-21 18:54:20 +00:00
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.appendTo( $( this.options.appendTo || "body", doc )[0] )
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2010-05-18 12:57:02 +00:00
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// prevent the close-on-blur in case of a "slow" click on the menu (long mousedown)
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2010-08-05 12:51:54 +00:00
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.mousedown(function( event ) {
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// clicking on the scrollbar causes focus to shift to the body
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// but we can't detect a mouseup or a click immediately afterward
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// so we have to track the next mousedown and close the menu if
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// the user clicks somewhere outside of the autocomplete
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var menuElement = self.menu.element[ 0 ];
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2010-09-20 13:27:32 +00:00
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if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
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2010-08-05 12:51:54 +00:00
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setTimeout(function() {
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$( document ).one( 'mousedown', function( event ) {
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if ( event.target !== self.element[ 0 ] &&
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event.target !== menuElement &&
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2010-12-10 20:13:10 +00:00
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!$.contains( menuElement, event.target ) ) {
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2010-08-05 12:51:54 +00:00
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self.close();
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}
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});
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}, 1 );
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}
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2010-05-18 12:57:02 +00:00
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// use another timeout to make sure the blur-event-handler on the input was already triggered
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setTimeout(function() {
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clearTimeout( self.closing );
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}, 13);
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})
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2010-02-02 14:04:50 +00:00
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.menu({
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2010-04-30 11:04:09 +00:00
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// custom key handling for now
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input: $(),
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2010-02-02 14:04:50 +00:00
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focus: function( event, ui ) {
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var item = ui.item.data( "item.autocomplete" );
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2010-10-11 12:51:54 +00:00
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if ( false !== self._trigger( "focus", event, { item: item } ) ) {
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2010-03-20 14:57:06 +00:00
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// use value to match what will end up in the input, if it was a key event
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if ( /^key/.test(event.originalEvent.type) ) {
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self.element.val( item.value );
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}
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2010-02-02 14:04:50 +00:00
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}
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},
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2010-04-30 11:18:34 +00:00
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select: function( event, ui ) {
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2010-07-19 18:36:40 +00:00
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var item = ui.item.data( "item.autocomplete" ),
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2010-07-20 16:10:58 +00:00
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previous = self.previous;
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2010-02-02 14:04:50 +00:00
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// only trigger when focus was lost (click on menu)
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2010-03-11 03:28:00 +00:00
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if ( self.element[0] !== doc.activeElement ) {
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2010-02-02 14:04:50 +00:00
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self.element.focus();
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2010-04-08 10:05:52 +00:00
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self.previous = previous;
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2010-09-24 20:49:10 +00:00
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// #6109 - IE triggers two focus events and the second
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// is asynchronous, so we need to reset the previous
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// term synchronously and asynchronously :-(
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setTimeout(function() {
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self.previous = previous;
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2010-12-01 16:51:16 +00:00
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self.selectedItem = item;
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2010-09-24 20:49:10 +00:00
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}, 1);
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2010-02-02 14:04:50 +00:00
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}
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2010-07-20 16:10:58 +00:00
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if ( false !== self._trigger( "select", event, { item: item } ) ) {
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2010-07-19 18:36:40 +00:00
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self.element.val( item.value );
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}
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2010-10-25 14:01:43 +00:00
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// reset the term after the select event
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// this allows custom select handling to work properly
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self.term = self.element.val();
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2010-07-20 16:10:58 +00:00
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self.close( event );
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self.selectedItem = item;
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2010-03-15 21:11:21 +00:00
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},
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blur: function( event, ui ) {
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2010-08-04 17:26:42 +00:00
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// don't set the value of the text field if it's already correct
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// this prevents moving the cursor unnecessarily
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if ( self.menu.element.is(":visible") &&
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( self.element.val() !== self.term ) ) {
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2010-03-15 21:24:42 +00:00
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self.element.val( self.term );
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}
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2010-02-02 14:04:50 +00:00
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}
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})
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.zIndex( this.element.zIndex() + 1 )
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.hide()
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.data( "menu" );
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if ( $.fn.bgiframe ) {
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2010-02-18 01:23:45 +00:00
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this.menu.element.bgiframe();
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2010-02-02 14:04:50 +00:00
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}
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2010-01-14 17:23:11 +00:00
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},
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2011-01-14 22:11:22 +00:00
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_destroy: function() {
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2010-01-14 17:23:11 +00:00
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this.element
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2010-03-26 16:42:03 +00:00
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.removeClass( "ui-autocomplete-input" )
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2010-01-17 18:51:11 +00:00
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.removeAttr( "autocomplete" )
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.removeAttr( "role" )
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.removeAttr( "aria-autocomplete" )
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.removeAttr( "aria-haspopup" );
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2010-02-08 01:17:04 +00:00
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this.menu.element.remove();
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2010-01-14 17:23:11 +00:00
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},
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2010-07-21 18:54:20 +00:00
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_setOption: function( key, value ) {
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2011-01-15 11:34:07 +00:00
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this._super( "_setOption", key, value );
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2010-03-11 22:06:29 +00:00
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if ( key === "source" ) {
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2010-01-14 17:23:11 +00:00
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this._initSource();
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}
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2010-07-21 18:54:20 +00:00
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if ( key === "appendTo" ) {
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2010-07-21 18:56:15 +00:00
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this.menu.element.appendTo( $( value || "body", this.element[0].ownerDocument )[0] )
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2010-07-21 18:54:20 +00:00
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}
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2010-12-17 15:48:17 +00:00
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if ( key === "disabled" && value && this.xhr ) {
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this.xhr.abort();
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}
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2010-01-14 17:23:11 +00:00
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},
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_initSource: function() {
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2010-08-24 13:14:44 +00:00
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var self = this,
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array,
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2010-03-11 22:06:29 +00:00
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url;
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2010-01-17 18:51:11 +00:00
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if ( $.isArray(this.options.source) ) {
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2010-03-11 22:06:29 +00:00
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array = this.options.source;
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2010-01-17 18:51:11 +00:00
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this.source = function( request, response ) {
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2010-04-16 09:05:35 +00:00
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response( $.ui.autocomplete.filter(array, request.term) );
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2010-01-14 17:23:11 +00:00
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};
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2010-03-11 22:06:29 +00:00
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} else if ( typeof this.options.source === "string" ) {
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url = this.options.source;
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2010-01-17 18:51:11 +00:00
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this.source = function( request, response ) {
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2010-12-17 15:48:17 +00:00
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if ( self.xhr ) {
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2010-08-25 01:41:34 +00:00
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self.xhr.abort();
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}
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2010-12-01 03:19:20 +00:00
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self.xhr = $.ajax({
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url: url,
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data: request,
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dataType: "json",
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2011-01-27 19:49:59 +00:00
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autocompleteRequest: ++requestIndex,
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success: function( data, status ) {
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if ( this.autocompleteRequest === requestIndex ) {
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2010-12-01 03:19:20 +00:00
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response( data );
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}
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},
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2011-01-27 19:49:59 +00:00
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error: function() {
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if ( this.autocompleteRequest === requestIndex ) {
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2010-12-01 03:19:20 +00:00
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response( [] );
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}
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2010-08-24 13:14:44 +00:00
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}
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});
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2010-01-14 17:23:11 +00:00
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};
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} else {
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this.source = this.options.source;
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}
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},
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2010-01-17 18:51:11 +00:00
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search: function( value, event ) {
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2010-01-14 17:23:11 +00:00
|
|
|
value = value != null ? value : this.element.val();
|
2010-08-10 23:02:50 +00:00
|
|
|
|
|
|
|
// always save the actual value, not the one passed as an argument
|
|
|
|
this.term = this.element.val();
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
if ( value.length < this.options.minLength ) {
|
|
|
|
return this.close( event );
|
2010-01-14 17:23:11 +00:00
|
|
|
}
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
clearTimeout( this.closing );
|
2010-10-11 12:51:54 +00:00
|
|
|
if ( this._trigger( "search", event ) === false ) {
|
2010-01-14 17:23:11 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
return this._search( value );
|
2010-01-14 17:23:11 +00:00
|
|
|
},
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
_search: function( value ) {
|
2010-12-17 16:15:17 +00:00
|
|
|
this.pending++;
|
2010-08-10 23:02:50 +00:00
|
|
|
this.element.addClass( "ui-autocomplete-loading" );
|
2010-01-14 17:23:11 +00:00
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
this.source( { term: value }, this.response );
|
2010-01-14 17:23:11 +00:00
|
|
|
},
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
_response: function( content ) {
|
2010-12-17 15:48:17 +00:00
|
|
|
if ( !this.options.disabled && content && content.length ) {
|
2010-01-17 18:51:11 +00:00
|
|
|
content = this._normalize( content );
|
|
|
|
this._suggest( content );
|
2010-03-08 16:35:24 +00:00
|
|
|
this._trigger( "open" );
|
2010-01-14 17:23:11 +00:00
|
|
|
} else {
|
|
|
|
this.close();
|
|
|
|
}
|
2010-12-17 16:15:17 +00:00
|
|
|
this.pending--;
|
|
|
|
if ( !this.pending ) {
|
|
|
|
this.element.removeClass( "ui-autocomplete-loading" );
|
|
|
|
}
|
2010-01-14 17:23:11 +00:00
|
|
|
},
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
close: function( event ) {
|
|
|
|
clearTimeout( this.closing );
|
2010-02-02 14:04:50 +00:00
|
|
|
if ( this.menu.element.is(":visible") ) {
|
|
|
|
this.menu.element.hide();
|
2010-02-20 01:32:55 +00:00
|
|
|
this.menu.deactivate();
|
2010-10-26 13:05:38 +00:00
|
|
|
this._trigger( "close", event );
|
2010-01-14 17:23:11 +00:00
|
|
|
}
|
2010-04-08 10:05:52 +00:00
|
|
|
},
|
|
|
|
|
|
|
|
_change: function( event ) {
|
2010-03-11 22:06:29 +00:00
|
|
|
if ( this.previous !== this.element.val() ) {
|
2010-04-08 10:05:52 +00:00
|
|
|
this._trigger( "change", event, { item: this.selectedItem } );
|
2010-01-14 17:23:11 +00:00
|
|
|
}
|
|
|
|
},
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
_normalize: function( items ) {
|
2010-01-14 17:23:11 +00:00
|
|
|
// assume all items have the right format when the first item is complete
|
2010-01-17 18:51:11 +00:00
|
|
|
if ( items.length && items[0].label && items[0].value ) {
|
2010-01-14 17:23:11 +00:00
|
|
|
return items;
|
|
|
|
}
|
2010-01-17 18:51:11 +00:00
|
|
|
return $.map( items, function(item) {
|
2010-03-11 22:06:29 +00:00
|
|
|
if ( typeof item === "string" ) {
|
2010-01-14 17:23:11 +00:00
|
|
|
return {
|
|
|
|
label: item,
|
|
|
|
value: item
|
|
|
|
};
|
|
|
|
}
|
|
|
|
return $.extend({
|
|
|
|
label: item.label || item.value,
|
|
|
|
value: item.value || item.label
|
2010-01-17 18:51:11 +00:00
|
|
|
}, item );
|
2010-01-14 17:23:11 +00:00
|
|
|
});
|
|
|
|
},
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
_suggest: function( items ) {
|
2010-03-11 22:06:29 +00:00
|
|
|
var ul = this.menu.element
|
2010-10-22 02:15:13 +00:00
|
|
|
.empty()
|
|
|
|
.zIndex( this.element.zIndex() + 1 );
|
2010-02-16 16:20:05 +00:00
|
|
|
this._renderMenu( ul, items );
|
2010-02-10 15:08:27 +00:00
|
|
|
// TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
|
2010-02-10 15:05:35 +00:00
|
|
|
this.menu.deactivate();
|
2010-02-02 14:04:50 +00:00
|
|
|
this.menu.refresh();
|
2010-03-11 04:37:21 +00:00
|
|
|
|
2010-11-12 13:41:36 +00:00
|
|
|
// size and position menu
|
|
|
|
ul.show();
|
2010-10-22 02:15:13 +00:00
|
|
|
this._resizeMenu();
|
2010-11-12 13:41:36 +00:00
|
|
|
ul.position( $.extend({
|
|
|
|
of: this.element
|
|
|
|
}, this.options.position ));
|
2010-10-22 02:15:13 +00:00
|
|
|
},
|
|
|
|
|
|
|
|
_resizeMenu: function() {
|
|
|
|
var ul = this.menu.element;
|
|
|
|
ul.outerWidth( Math.max(
|
|
|
|
ul.width( "" ).outerWidth(),
|
|
|
|
this.element.outerWidth()
|
|
|
|
) );
|
2010-01-14 17:23:11 +00:00
|
|
|
},
|
2010-07-22 02:17:52 +00:00
|
|
|
|
2010-02-16 16:20:05 +00:00
|
|
|
_renderMenu: function( ul, items ) {
|
|
|
|
var self = this;
|
|
|
|
$.each( items, function( index, item ) {
|
|
|
|
self._renderItem( ul, item );
|
|
|
|
});
|
|
|
|
},
|
2010-01-14 17:23:11 +00:00
|
|
|
|
2010-02-08 01:31:10 +00:00
|
|
|
_renderItem: function( ul, item) {
|
|
|
|
return $( "<li></li>" )
|
|
|
|
.data( "item.autocomplete", item )
|
2010-07-19 19:45:30 +00:00
|
|
|
.append( $( "<a></a>" ).text( item.label ) )
|
2010-02-08 01:31:10 +00:00
|
|
|
.appendTo( ul );
|
|
|
|
},
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
_move: function( direction, event ) {
|
2010-02-08 01:17:04 +00:00
|
|
|
if ( !this.menu.element.is(":visible") ) {
|
2010-01-17 18:51:11 +00:00
|
|
|
this.search( null, event );
|
2010-01-14 17:23:11 +00:00
|
|
|
return;
|
|
|
|
}
|
2010-01-17 18:51:11 +00:00
|
|
|
if ( this.menu.first() && /^previous/.test(direction) ||
|
|
|
|
this.menu.last() && /^next/.test(direction) ) {
|
|
|
|
this.element.val( this.term );
|
2010-01-14 17:23:11 +00:00
|
|
|
this.menu.deactivate();
|
|
|
|
return;
|
|
|
|
}
|
2010-03-20 14:57:06 +00:00
|
|
|
this.menu[ direction ]( event );
|
2010-01-14 17:23:11 +00:00
|
|
|
},
|
|
|
|
|
|
|
|
widget: function() {
|
2010-07-30 16:38:18 +00:00
|
|
|
return this.menu.element;
|
2010-01-14 17:23:11 +00:00
|
|
|
}
|
|
|
|
});
|
|
|
|
|
2010-01-17 18:51:11 +00:00
|
|
|
$.extend( $.ui.autocomplete, {
|
2011-02-03 17:01:26 +00:00
|
|
|
version: "@VERSION",
|
2010-01-17 18:51:11 +00:00
|
|
|
escapeRegex: function( value ) {
|
2010-07-05 08:05:00 +00:00
|
|
|
return value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
|
2010-04-16 09:05:35 +00:00
|
|
|
},
|
|
|
|
filter: function(array, term) {
|
|
|
|
var matcher = new RegExp( $.ui.autocomplete.escapeRegex(term), "i" );
|
|
|
|
return $.grep( array, function(value) {
|
|
|
|
return matcher.test( value.label || value.value || value );
|
|
|
|
});
|
2010-01-14 17:23:11 +00:00
|
|
|
}
|
|
|
|
});
|
|
|
|
|
2010-03-11 22:06:29 +00:00
|
|
|
}( jQuery ));
|