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1 <!DOCTYPE html>
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2 <html lang="en">
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3 <head>
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4 <meta charset="utf-8">
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5 <title>jQuery UI Autocomplete - Combobox</title>
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6 <link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
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7 <script src="../../jquery-1.5.1.js"></script>
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8 <script src="../../ui/jquery.ui.core.js"></script>
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9 <script src="../../ui/jquery.ui.widget.js"></script>
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10 <script src="../../ui/jquery.ui.button.js"></script>
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11 <script src="../../ui/jquery.ui.position.js"></script>
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12 <script src="../../ui/jquery.ui.autocomplete.js"></script>
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13 <link rel="stylesheet" href="../demos.css">
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14 <style>
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15 .ui-button { margin-left: -1px; }
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16 .ui-button-icon-only .ui-button-text { padding: 0.35em; }
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17 .ui-autocomplete-input { margin: 0; padding: 0.48em 0 0.47em 0.45em; }
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18 </style>
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19 <script>
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20 (function( $ ) {
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21 $.widget( "ui.combobox", {
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22 _create: function() {
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23 var self = this,
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24 select = this.element.hide(),
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25 selected = select.children( ":selected" ),
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26 value = selected.val() ? selected.text() : "";
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27 var input = this.input = $( "<input>" )
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28 .insertAfter( select )
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29 .val( value )
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30 .autocomplete({
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31 delay: 0,
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32 minLength: 0,
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33 source: function( request, response ) {
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34 var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
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35 response( select.children( "option" ).map(function() {
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36 var text = $( this ).text();
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37 if ( this.value && ( !request.term || matcher.test(text) ) )
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38 return {
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39 label: text.replace(
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40 new RegExp(
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41 "(?![^&;]+;)(?!<[^<>]*)(" +
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42 $.ui.autocomplete.escapeRegex(request.term) +
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43 ")(?![^<>]*>)(?![^&;]+;)", "gi"
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44 ), "<strong>$1</strong>" ),
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45 value: text,
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46 option: this
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47 };
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48 }) );
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49 },
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50 select: function( event, ui ) {
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51 ui.item.option.selected = true;
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52 self._trigger( "selected", event, {
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53 item: ui.item.option
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54 });
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55 },
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56 change: function( event, ui ) {
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57 if ( !ui.item ) {
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58 var matcher = new RegExp( "^" + $.ui.autocomplete.escapeRegex( $(this).val() ) + "$", "i" ),
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59 valid = false;
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60 select.children( "option" ).each(function() {
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61 if ( $( this ).text().match( matcher ) ) {
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62 this.selected = valid = true;
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63 return false;
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64 }
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65 });
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66 if ( !valid ) {
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67 // remove invalid value, as it didn't match anything
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68 $( this ).val( "" );
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69 select.val( "" );
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70 input.data( "autocomplete" ).term = "";
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71 return false;
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72 }
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73 }
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74 }
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75 })
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76 .addClass( "ui-widget ui-widget-content ui-corner-left" );
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77
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78 input.data( "autocomplete" )._renderItem = function( ul, item ) {
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79 return $( "<li></li>" )
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80 .data( "item.autocomplete", item )
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81 .append( "<a>" + item.label + "</a>" )
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82 .appendTo( ul );
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83 };
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84
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85 this.button = $( "<button type='button'> </button>" )
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86 .attr( "tabIndex", -1 )
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87 .attr( "title", "Show All Items" )
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88 .insertAfter( input )
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89 .button({
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90 icons: {
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91 primary: "ui-icon-triangle-1-s"
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92 },
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93 text: false
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94 })
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95 .removeClass( "ui-corner-all" )
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96 .addClass( "ui-corner-right ui-button-icon" )
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97 .click(function() {
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98 // close if already visible
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99 if ( input.autocomplete( "widget" ).is( ":visible" ) ) {
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100 input.autocomplete( "close" );
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101 return;
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102 }
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103
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104 // pass empty string as value to search for, displaying all results
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105 input.autocomplete( "search", "" );
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106 input.focus();
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107 });
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108 },
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109
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110 destroy: function() {
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111 this.input.remove();
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112 this.button.remove();
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113 this.element.show();
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114 $.Widget.prototype.destroy.call( this );
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115 }
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116 });
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117 })( jQuery );
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118
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119 $(function() {
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120 $( "#combobox" ).combobox();
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121 $( "#toggle" ).click(function() {
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122 $( "#combobox" ).toggle();
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123 });
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124 });
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125 </script>
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126 </head>
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127 <body>
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128
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129 <div class="demo">
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130
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131 <div class="ui-widget">
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132 <label>Your preferred programming language: </label>
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133 <select id="combobox">
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134 <option value="">Select one...</option>
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135 <option value="ActionScript">ActionScript</option>
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136 <option value="AppleScript">AppleScript</option>
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137 <option value="Asp">Asp</option>
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138 <option value="BASIC">BASIC</option>
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139 <option value="C">C</option>
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140 <option value="C++">C++</option>
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141 <option value="Clojure">Clojure</option>
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142 <option value="COBOL">COBOL</option>
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143 <option value="ColdFusion">ColdFusion</option>
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144 <option value="Erlang">Erlang</option>
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145 <option value="Fortran">Fortran</option>
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146 <option value="Groovy">Groovy</option>
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147 <option value="Haskell">Haskell</option>
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148 <option value="Java">Java</option>
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149 <option value="JavaScript">JavaScript</option>
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150 <option value="Lisp">Lisp</option>
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151 <option value="Perl">Perl</option>
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152 <option value="PHP">PHP</option>
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153 <option value="Python">Python</option>
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154 <option value="Ruby">Ruby</option>
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155 <option value="Scala">Scala</option>
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156 <option value="Scheme">Scheme</option>
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157 </select>
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158 </div>
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159 <button id="toggle">Show underlying select</button>
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160
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161 </div><!-- End demo -->
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162
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163
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164
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165 <div class="demo-description">
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166 <p>A custom widget built by composition of Autocomplete and Button. You can either type something into the field to get filtered suggestions based on your input, or use the button to get the full list of selections.</p>
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167 <p>The input is read from an existing select-element for progressive enhancement, passed to Autocomplete with a customized source-option.</p>
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168 </div><!-- End demo-description -->
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169
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170 </body>
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171 </html>
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