드롭다운 목록 autoComplete

5094 단어 web
autoCompleteSelect.js
(function( $ ) {
		$.widget( "ui.combobox", {
			_create: function() {
				var input,
					that = this,
					wasOpen = false,
					select = this.element.hide(),
					selected = select.children( ":selected" ),
					value = selected.val() ? selected.text() : "",
					wrapper = this.wrapper = $( "" )
						.addClass( "ui-combobox" )
						.insertAfter( select );

				function removeIfInvalid( element ) {
					var value = $( element ).val(),
						matcher = new RegExp( "^" + $.ui.autocomplete.escapeRegex( value ) + "$", "i" ),
						valid = false;
					select.children( "option" ).each(function() {
						if ( $( this ).text().match( matcher ) ) {
							this.selected = valid = true;
							return false;
						}
					});

					if ( !valid ) {
						// remove invalid value, as it didn't match anything
						$( element )
							.val( "" )
							.attr( "title", value + " didn't match any item" )
							.tooltip( "open" );
						select.val( "" );
						setTimeout(function() {
							input.tooltip( "close" ).attr( "title", "" );
						}, 2500 );
						input.data( "ui-autocomplete" ).term = "";
					}
				}

				input = $( "" )
					.appendTo( wrapper )
					.val( value )
					.attr( "title", "" )
					.addClass( "ui-state-default ui-combobox-input" )
					.autocomplete({
						delay: 0,
						minLength: 0,
						source: function( request, response ) {
							var matcher = new RegExp( $.ui.autocomplete.escapeRegex(request.term), "i" );
							response( select.children( "option" ).map(function() {
								var text = $( this ).text();
								if ( this.value && ( !request.term || matcher.test(text) ) )
									return {
										label: text.replace(
											new RegExp(
												"(?![^&;]+;)(?!]*)(" +
												$.ui.autocomplete.escapeRegex(request.term) +
												")(?![^<>]*>)(?![^&;]+;)", "gi"
											), "$1" ),
										value: text,
										option: this
									};
							}) );
						},
						select: function( event, ui ) {
							ui.item.option.selected = true;
							that._trigger( "selected", event, {
								item: ui.item.option
							});
						},
						change: function( event, ui ) {
							if ( !ui.item ) {
								removeIfInvalid( this );
							}
						}
					})
					.addClass( "ui-widget ui-widget-content ui-corner-left" );

				input.data( "ui-autocomplete" )._renderItem = function( ul, item ) {
					return $( "
  • " ) .append( "" + item.label + "" ) .appendTo( ul ); }; $( "" ) .attr( "tabIndex", -1 ) // .attr( "title", "Show All Items" ) .tooltip() .appendTo( wrapper ) .button({ icons: { primary: "ui-icon-triangle-1-s" }, text: false }) .removeClass( "ui-corner-all" ) .addClass( "ui-corner-right ui-combobox-toggle" ) .mousedown(function() { wasOpen = input.autocomplete( "widget" ).is( ":visible" ); }) .click(function() { input.focus(); // close if already visible if ( wasOpen ) { return; } // pass empty string as value to search for, displaying all results input.autocomplete( "search", "" ); }); input.tooltip({ tooltipClass: "ui-state-highlight" }); }, _destroy: function() { this.wrapper.remove(); this.element.show(); } }); })( jQuery ); $(function() { $( "#combobox" ).combobox(); $( "#toggle" ).click(function() { $( "#combobox" ).toggle(); }); });

  • style.css
    .ui-combobox {
    	position: relative;
    	display: inline-block;
    }
    
    .ui-combobox-toggle {
    	position: absolute;
    	top: 0;
    	bottom: 0;
    	margin-left: -1px;
    	padding: 0; /* support: IE7 */ *
    	height: 1.7em; *
    	top: 0.1em;
    }
    
    .ui-combobox-input {
    	margin: 0;
    	padding: 0.3em;
    }

    testSelect.jsp
    
    
    
    
    
    
    			
    		
    		
    		
    				
    		
    				
    	
    	
    	
    		

     

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