| 1 | /*
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| 2 | * jQuery UI Autocomplete 1.8rc1
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| 3 | *
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| 4 | * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
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| 5 | * Dual licensed under the MIT (MIT-LICENSE.txt)
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| 6 | * and GPL (GPL-LICENSE.txt) licenses.
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| 7 | *
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| 8 | * http://docs.jquery.com/UI/Autocomplete
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| 9 | *
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| 10 | * Depends:
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| 11 | * jquery.ui.core.js
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| 12 | * jquery.ui.widget.js
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| 13 | */
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| 14 | (function( $ ) {
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| 15 |
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| 16 | $.widget( "ui.autocomplete", {
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| 17 | options: {
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| 18 | minLength: 1,
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| 19 | delay: 300
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| 20 | },
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| 21 | _create: function() {
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| 22 | var self = this;
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| 23 | this.element
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| 24 | .addClass( "ui-autocomplete" )
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| 25 | .attr( "autocomplete", "off" )
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| 26 | // TODO verify these actually work as intended
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| 27 | .attr({
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| 28 | role: "textbox",
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| 29 | "aria-autocomplete": "list",
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| 30 | "aria-haspopup": "true"
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| 31 | })
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| 32 | .bind( "keydown.autocomplete", function( event ) {
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| 33 | var keyCode = $.ui.keyCode;
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| 34 | switch( event.keyCode ) {
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| 35 | case keyCode.PAGE_UP:
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| 36 | self._move( "previousPage", event );
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| 37 | break;
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| 38 | case keyCode.PAGE_DOWN:
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| 39 | self._move( "nextPage", event );
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| 40 | break;
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| 41 | case keyCode.UP:
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| 42 | self._move( "previous", event );
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| 43 | // prevent moving cursor to beginning of text field in some browsers
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| 44 | event.preventDefault();
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| 45 | break;
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| 46 | case keyCode.DOWN:
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| 47 | self._move( "next", event );
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| 48 | // prevent moving cursor to end of text field in some browsers
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| 49 | event.preventDefault();
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| 50 | break;
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| 51 | case keyCode.ENTER:
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| 52 | // when menu is open or has focus
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| 53 | if ( self.menu && self.menu.active ) {
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| 54 | event.preventDefault();
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| 55 | }
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| 56 | case keyCode.TAB:
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| 57 | if ( !self.menu || !self.menu.active ) {
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| 58 | return;
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| 59 | }
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| 60 | self.menu.select();
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| 61 | break;
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| 62 | case keyCode.ESCAPE:
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| 63 | self.element.val( self.term );
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| 64 | self.close( event );
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| 65 | break;
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| 66 | case 16:
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| 67 | case 17:
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| 68 | case 18:
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| 69 | // ignore metakeys (shift, ctrl, alt)
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| 70 | break;
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| 71 | default:
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| 72 | // keypress is triggered before the input value is changed
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| 73 | clearTimeout( self.searching );
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| 74 | self.searching = setTimeout(function() {
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| 75 | self.search( null, event );
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| 76 | }, self.options.delay );
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| 77 | break;
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| 78 | }
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| 79 | })
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| 80 | .bind( "focus.autocomplete", function() {
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| 81 | self.previous = self.element.val();
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| 82 | })
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| 83 | .bind( "blur.autocomplete", function( event ) {
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| 84 | clearTimeout( self.searching );
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| 85 | // clicks on the menu (or a button to trigger a search) will cause a blur event
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| 86 | // TODO try to implement this without a timeout, see clearTimeout in search()
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| 87 | self.closing = setTimeout(function() {
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| 88 | self.close( event );
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| 89 | }, 150 );
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| 90 | });
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| 91 | this._initSource();
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| 92 | this.response = function() {
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| 93 | return self._response.apply( self, arguments );
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| 94 | };
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| 95 | },
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| 96 |
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| 97 | destroy: function() {
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| 98 | this.element
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| 99 | .removeClass( "ui-autocomplete ui-widget ui-widget-content ui-corner-all" )
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| 100 | .removeAttr( "autocomplete" )
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| 101 | .removeAttr( "role" )
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| 102 | .removeAttr( "aria-autocomplete" )
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| 103 | .removeAttr( "aria-haspopup" );
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| 104 | if ( this.menu ) {
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| 105 | this.menu.element.remove();
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| 106 | }
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| 107 | $.Widget.prototype.destroy.call( this );
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| 108 | },
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| 109 |
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| 110 | _setOption: function( key ) {
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| 111 | $.Widget.prototype._setOption.apply( this, arguments );
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| 112 | if ( key == "source" ) {
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| 113 | this._initSource();
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| 114 | }
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| 115 | },
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| 116 |
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| 117 | _initSource: function() {
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| 118 | if ( $.isArray(this.options.source) ) {
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| 119 | var array = this.options.source;
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| 120 | this.source = function( request, response ) {
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| 121 | // escape regex characters
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| 122 | var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
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| 123 | response( $.grep( array, function(value) {
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| 124 | return matcher.test( value.value || value.label || value );
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| 125 | }) );
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| 126 | };
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| 127 | } else if ( typeof this.options.source == "string" ) {
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| 128 | var url = this.options.source;
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| 129 | this.source = function( request, response ) {
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| 130 | $.getJSON( url, request, response );
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| 131 | };
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| 132 | } else {
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| 133 | this.source = this.options.source;
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| 134 | }
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| 135 | },
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| 136 |
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| 137 | search: function( value, event ) {
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| 138 | value = value != null ? value : this.element.val();
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| 139 | if ( value.length < this.options.minLength ) {
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| 140 | return this.close( event );
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| 141 | }
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| 142 |
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| 143 | clearTimeout( this.closing );
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| 144 | if ( this._trigger("search") === false ) {
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| 145 | return;
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| 146 | }
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| 147 |
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| 148 | return this._search( value );
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| 149 | },
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| 150 |
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| 151 | _search: function( value ) {
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| 152 | this.term = this.element
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| 153 | .addClass( "ui-autocomplete-loading" )
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| 154 | // always save the actual value, not the one passed as an argument
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| 155 | .val();
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| 156 |
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| 157 | this.source( { term: value }, this.response );
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| 158 | },
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| 159 |
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| 160 | _response: function( content ) {
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| 161 | if ( content.length ) {
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| 162 | content = this._normalize( content );
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| 163 | this._trigger( "open" );
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| 164 | this._suggest( content );
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| 165 | } else {
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| 166 | this.close();
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| 167 | }
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| 168 | this.element.removeClass( "ui-autocomplete-loading" );
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| 169 | },
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| 170 |
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| 171 | close: function( event ) {
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| 172 | clearTimeout( this.closing );
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| 173 | if ( this.menu ) {
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| 174 | this._trigger( "close", event );
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| 175 | this.menu.element.remove();
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| 176 | this.menu = null;
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| 177 | }
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| 178 | if ( this.previous != this.element.val() ) {
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| 179 | this._trigger( "change", event );
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| 180 | }
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| 181 | },
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| 182 |
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| 183 | _normalize: function( items ) {
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| 184 | // assume all items have the right format when the first item is complete
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| 185 | if ( items.length && items[0].label && items[0].value ) {
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| 186 | return items;
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| 187 | }
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| 188 | return $.map( items, function(item) {
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| 189 | if ( typeof item == "string" ) {
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| 190 | return {
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| 191 | label: item,
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| 192 | value: item
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| 193 | };
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| 194 | }
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| 195 | return $.extend({
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| 196 | label: item.label || item.value,
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| 197 | value: item.value || item.label
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| 198 | }, item );
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| 199 | });
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| 200 | },
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| 201 |
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| 202 | _suggest: function( items ) {
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| 203 | if (this.menu) {
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| 204 | this.menu.element.remove();
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| 205 | }
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| 206 | var self = this,
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| 207 | ul = $( "<ul></ul>" ),
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| 208 | parent = this.element.parent();
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| 209 |
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| 210 | $.each( items, function( index, item ) {
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| 211 | $( "<li></li>" )
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| 212 | .data( "item.autocomplete", item )
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| 213 | .append( "<a>" + item.label + "</a>" )
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| 214 | .appendTo( ul );
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| 215 | });
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| 216 | this.menu = ul
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| 217 | .addClass( "ui-autocomplete-menu" )
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| 218 | .appendTo( parent )
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| 219 | .menu({
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| 220 | focus: function( event, ui ) {
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| 221 | var item = ui.item.data( "item.autocomplete" );
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| 222 | if ( false !== self._trigger( "focus", null, { item: item } ) ) {
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| 223 | // use value to match what will end up in the input
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| 224 | self.element.val( item.value );
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| 225 | }
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| 226 | },
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| 227 | selected: function( event, ui ) {
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| 228 | var item = ui.item.data( "item.autocomplete" );
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| 229 | if ( false !== self._trigger( "select", event, { item: item } ) ) {
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| 230 | self.element.val( item.value );
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| 231 | }
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| 232 | self.close( event );
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| 233 | self.previous = self.element.val();
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| 234 | // only trigger when focus was lost (click on menu)
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| 235 | if ( self.element[0] != document.activeElement ) {
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| 236 | self.element.focus();
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| 237 | }
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| 238 | }
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| 239 | })
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| 240 | .zIndex( this.element.zIndex() + 1 )
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| 241 | // workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
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| 242 | .css({ top: 0, left: 0 })
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| 243 | .position({
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| 244 | my: "left top",
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| 245 | at: "left bottom",
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| 246 | of: this.element
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| 247 | })
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| 248 | .data( "menu" );
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| 249 | if ( ul.width() <= this.element.width() ) {
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| 250 | ul.width( this.element.width() );
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| 251 | }
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| 252 | if ( $.fn.bgiframe ) {
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| 253 | ul.bgiframe();
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| 254 | }
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| 255 | },
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| 256 |
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| 257 | _move: function( direction, event ) {
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| 258 | if ( !this.menu ) {
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| 259 | this.search( null, event );
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| 260 | return;
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| 261 | }
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| 262 | if ( this.menu.first() && /^previous/.test(direction) ||
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| 263 | this.menu.last() && /^next/.test(direction) ) {
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| 264 | this.element.val( this.term );
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| 265 | this.menu.deactivate();
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| 266 | return;
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| 267 | }
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| 268 | this.menu[ direction ]();
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| 269 | },
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| 270 |
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| 271 | widget: function() {
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| 272 | // return empty jQuery object when menu isn't initialized yet
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| 273 | return this.menu ? this.menu.element : $([]);
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| 274 | }
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| 275 | });
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| 276 |
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| 277 | $.extend( $.ui.autocomplete, {
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| 278 | escapeRegex: function( value ) {
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| 279 | return value.replace( /([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1" );
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| 280 | }
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| 281 | });
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| 282 |
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| 283 | })( jQuery );
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| 284 |
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| 285 | /*
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| 286 | * jQuery UI Menu (not officially released)
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| 287 | *
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| 288 | * This widget isn't yet finished and the API is subject to change. We plan to finish
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| 289 | * it for the next release. You're welcome to give it a try anyway and give us feedback,
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| 290 | * as long as you're okay with migrating your code later on. We can help with that, too.
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| 291 | *
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| 292 | * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
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| 293 | * Dual licensed under the MIT (MIT-LICENSE.txt)
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| 294 | * and GPL (GPL-LICENSE.txt) licenses.
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| 295 | *
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| 296 | * http://docs.jquery.com/UI/Menu
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| 297 | *
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| 298 | * Depends:
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| 299 | * jquery.ui.core.js
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| 300 | * jquery.ui.widget.js
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| 301 | */
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| 302 | (function($) {
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| 303 |
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| 304 | $.widget("ui.menu", {
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| 305 | _create: function() {
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| 306 | var self = this;
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| 307 | this.element
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| 308 | .addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
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| 309 | .attr({
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| 310 | role: "menu",
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| 311 | "aria-activedescendant": "ui-active-menuitem"
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| 312 | })
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| 313 | .click(function(e) {
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| 314 | // temporary
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| 315 | e.preventDefault();
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| 316 | self.select();
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| 317 | });
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| 318 | var items = this.element.children("li")
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| 319 | .addClass("ui-menu-item")
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| 320 | .attr("role", "menuitem");
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| 321 |
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| 322 | items.children("a")
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| 323 | .addClass("ui-corner-all")
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| 324 | .attr("tabindex", -1)
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| 325 | // mouseenter doesn't work with event delegation
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| 326 | .mouseenter(function() {
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| 327 | self.activate($(this).parent());
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| 328 | });
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| 329 | },
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| 330 |
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| 331 | activate: function(item) {
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| 332 | this.deactivate();
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| 333 | this.active = item.eq(0)
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| 334 | .children("a")
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| 335 | .addClass("ui-state-hover")
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| 336 | .attr("id", "ui-active-menuitem")
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| 337 | .end();
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| 338 | this._trigger("focus", null, { item: item });
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| 339 | if (this.hasScroll()) {
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| 340 | var offset = item.offset().top - this.element.offset().top,
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| 341 | scroll = this.element.attr("scrollTop"),
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| 342 | elementHeight = this.element.height();
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| 343 | if (offset < 0) {
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| 344 | this.element.attr("scrollTop", scroll + offset);
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| 345 | } else if (offset > elementHeight) {
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| 346 | this.element.attr("scrollTop", scroll + offset - elementHeight + item.height());
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| 347 | }
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| 348 | }
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| 349 | },
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| 350 |
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| 351 | deactivate: function() {
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| 352 | if (!this.active) { return; }
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| 353 |
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| 354 | this.active.children("a")
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| 355 | .removeClass("ui-state-hover")
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| 356 | .removeAttr("id");
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| 357 | this.active = null;
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| 358 | },
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| 359 |
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| 360 | next: function() {
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| 361 | this.move("next", "li:first");
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| 362 | },
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| 363 |
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| 364 | previous: function() {
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| 365 | this.move("prev", "li:last");
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| 366 | },
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| 367 |
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| 368 | first: function() {
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| 369 | return this.active && !this.active.prev().length;
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| 370 | },
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| 371 |
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| 372 | last: function() {
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| 373 | return this.active && !this.active.next().length;
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| 374 | },
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| 375 |
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| 376 | move: function(direction, edge) {
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| 377 | if (!this.active) {
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| 378 | this.activate(this.element.children(edge));
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| 379 | return;
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| 380 | }
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| 381 | var next = this.active[direction]();
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| 382 | if (next.length) {
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| 383 | this.activate(next);
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| 384 | } else {
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| 385 | this.activate(this.element.children(edge));
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| 386 | }
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| 387 | },
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| 388 |
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| 389 | // TODO merge with previousPage
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| 390 | nextPage: function() {
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| 391 | if (this.hasScroll()) {
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| 392 | // TODO merge with no-scroll-else
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| 393 | if (!this.active || this.last()) {
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| 394 | this.activate(this.element.children(":first"));
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| 395 | return;
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| 396 | }
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| 397 | var base = this.active.offset().top,
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| 398 | height = this.element.height(),
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| 399 | result = this.element.children("li").filter(function() {
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| 400 | var close = $(this).offset().top - base - height + $(this).height();
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| 401 | // TODO improve approximation
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| 402 | return close < 10 && close > -10;
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| 403 | });
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| 404 |
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| 405 | // TODO try to catch this earlier when scrollTop indicates the last page anyway
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| 406 | if (!result.length) {
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| 407 | result = this.element.children(":last");
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| 408 | }
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| 409 | this.activate(result);
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| 410 | } else {
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| 411 | this.activate(this.element.children(!this.active || this.last() ? ":first" : ":last"));
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| 412 | }
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| 413 | },
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| 414 |
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| 415 | // TODO merge with nextPage
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| 416 | previousPage: function() {
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| 417 | if (this.hasScroll()) {
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| 418 | // TODO merge with no-scroll-else
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| 419 | if (!this.active || this.first()) {
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| 420 | this.activate(this.element.children(":last"));
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| 421 | return;
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| 422 | }
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| 423 |
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| 424 | var base = this.active.offset().top,
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| 425 | height = this.element.height();
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| 426 | result = this.element.children("li").filter(function() {
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| 427 | var close = $(this).offset().top - base + height - $(this).height();
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| 428 | // TODO improve approximation
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| 429 | return close < 10 && close > -10;
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| 430 | });
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| 431 |
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| 432 | // TODO try to catch this earlier when scrollTop indicates the last page anyway
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| 433 | if (!result.length) {
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| 434 | result = this.element.children(":first");
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| 435 | }
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| 436 | this.activate(result);
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| 437 | } else {
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| 438 | this.activate(this.element.children(!this.active || this.first() ? ":last" : ":first"));
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| 439 | }
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| 440 | },
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| 441 |
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| 442 | hasScroll: function() {
|
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| 443 | return this.element.height() < this.element.attr("scrollHeight");
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| 444 | },
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| 445 |
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| 446 | select: function() {
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| 447 | this._trigger("selected", null, { item: this.active });
|
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| 448 | }
|
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| 449 | });
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| 450 |
|
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| 451 | })(jQuery); |
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