源代碼
點擊運行
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI 放置(Droppable) - 簡單的照片管理器</title> <link rel="stylesheet" href="//apps.bdimg.com/libs/jqueryui/1.10.4/css/jquery-ui.min.css"> <script src="//apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script> <script src="//apps.bdimg.com/libs/jqueryui/1.10.4/jquery-ui.min.js"></script> <link rel="stylesheet" href="jqueryui/style.css"> <style> #gallery { float: left; width: 65%; min-height: 12em; } .gallery.custom-state-active { background: #eee; } .gallery li { float: left; width: 96px; padding: 0.4em; margin: 0 0.4em 0.4em 0; text-align: center; } .gallery li h5 { margin: 0 0 0.4em; cursor: move; } .gallery li a { float: right; } .gallery li a.ui-icon-zoomin { float: left; } .gallery li img { width: 100%; cursor: move; } #trash { float: right; width: 32%; min-height: 18em; padding: 1%; } #trash h4 { line-height: 16px; margin: 0 0 0.4em; } #trash h4 .ui-icon { float: left; } #trash .gallery h5 { display: none; } </style> <script> $(function() { // 這是相冊和回收站 var $gallery = $( "#gallery" ), $trash = $( "#trash" ); // 讓相冊的條目可拖拽 $( "li", $gallery ).draggable({ cancel: "a.ui-icon", // 點擊一個圖標不會啟動拖拽 revert: "invalid", // 當未被放置時,條目會還原回它的初始位置 containment: "document", helper: "clone", cursor: "move" }); // 讓回收站可放置,接受相冊的條目 $trash.droppable({ accept: "#gallery > li", activeClass: "ui-state-highlight", drop: function( event, ui ) { deleteImage( ui.draggable ); } }); // 讓相冊可放置,接受回收站的條目 $gallery.droppable({ accept: "#trash li", activeClass: "custom-state-active", drop: function( event, ui ) { recycleImage( ui.draggable ); } }); // 圖像刪除功能 var recycle_icon = "<a href='link/to/recycle/script/when/we/have/js/off' title='還原圖像' class='ui-icon ui-icon-refresh'>還原圖像</a>"; function deleteImage( $item ) { $item.fadeOut(function() { var $list = $( "ul", $trash ).length ? $( "ul", $trash ) : $( "<ul class='gallery ui-helper-reset'/>" ).appendTo( $trash ); $item.find( "a.ui-icon-trash" ).remove(); $item.append( recycle_icon ).appendTo( $list ).fadeIn(function() { $item .animate({ width: "48px" }) .find( "img" ) .animate({ height: "36px" }); }); }); } // 圖像還原功能 var trash_icon = "<a href='link/to/trash/script/when/we/have/js/off' title='刪除圖像' class='ui-icon ui-icon-trash'>刪除圖像</a>"; function recycleImage( $item ) { $item.fadeOut(function() { $item .find( "a.ui-icon-refresh" ) .remove() .end() .css( "width", "96px") .append( trash_icon ) .find( "img" ) .css( "height", "72px" ) .end() .appendTo( $gallery ) .fadeIn(); }); } // 圖像預覽功能,演示 ui.dialog 作為模態窗口使用 function viewLargerImage( $link ) { var src = $link.attr( "href" ), title = $link.siblings( "img" ).attr( "alt" ), $modal = $( "img[src$='" + src + "']" ); if ( $modal.length ) { $modal.dialog( "open" ); } else { var img = $( "/images/logo.png" ) .attr( "src", src ).appendTo( "body" ); setTimeout(function() { img.dialog({ title: title, width: 400, modal: true }); }, 1 ); } } // 通過事件代理解決圖標行為 $( "ul.gallery > li" ).click(function( event ) { var $item = $( this ), $target = $( event.target ); if ( $target.is( "a.ui-icon-trash" ) ) { deleteImage( $item ); } else if ( $target.is( "a.ui-icon-zoomin" ) ) { viewLargerImage( $target ); } else if ( $target.is( "a.ui-icon-refresh" ) ) { recycleImage( $item ); } return false; }); }); </script> </head> <body> <div class="ui-widget ui-helper-clearfix"> <ul id="gallery" class="gallery ui-helper-reset ui-helper-clearfix"> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras</h5> <img src="/images/logo.png" alt="High Tatras 的最高峰" width="96" height="72"> <a href="/wp-content/uploads/2014/03/high_tatras.jpg" title="查看大圖" class="ui-icon ui-icon-zoomin">查看大圖</a> <a href="link/to/trash/script/when/we/have/js/off" title="刪除圖像" class="ui-icon ui-icon-trash">刪除圖像</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 2</h5> <img src="/images/logo.png" alt="綠山湖畔的小屋" width="96" height="72"> <a href="/wp-content/uploads/2014/03/high_tatras2.jpg" title="查看大圖" class="ui-icon ui-icon-zoomin">查看大圖</a> <a href="link/to/trash/script/when/we/have/js/off" title="刪除圖像" class="ui-icon ui-icon-trash">刪除圖像</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 3</h5> <img src="/images/logo.png" alt="計劃登高" width="96" height="72"> <a href="/wp-content/uploads/2014/03/high_tatras3.jpg" title="查看大圖" class="ui-icon ui-icon-zoomin">查看大圖</a> <a href="link/to/trash/script/when/we/have/js/off" title="刪除圖像" class="ui-icon ui-icon-trash">刪除圖像</a> </li> <li class="ui-widget-content ui-corner-tr"> <h5 class="ui-widget-header">High Tatras 4</h5> <img src="/images/logo.png" alt="在 Kozi kopka 的頂部" width="96" height="72"> <a href="/wp-content/uploads/2014/03/high_tatras4.jpg" title="查看大圖" class="ui-icon ui-icon-zoomin">查看大圖</a> <a href="link/to/trash/script/when/we/have/js/off" title="刪除圖像" class="ui-icon ui-icon-trash">刪除圖像</a> </li> </ul> <div id="trash" class="ui-widget-content ui-state-default"> <h4 class="ui-widget-header"><span class="ui-icon ui-icon-trash">回收站</span> 回收站</h4> </div> </div> </body> </html>
運行結果