Droppable


Create targets for draggable widgets.

For more details about droppable interaction, please view the API documentation Droppable Widget.

Default functionality

Enable droppable functionality on any DOM element and create targets for draggable widgets.

Instance

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置(Droppable) - 默认功能</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>
  #draggable { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
  #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
  </style>
  <script>
  $(function() {
    $( "#draggable" ).draggable();
    $( "#droppable" ).droppable({
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "p" )
            .html( "Dropped!" );
      }
    });
  });
  </script>
</head>
<body>
 
<div id="draggable" class="ui-widget-content">
  <p>请把我拖拽到目标处!</p>
</div>
 
<div id="droppable" class="ui-widget-header">
  <p>请放置在这里!</p>
</div>
 
 
</body>
</html>

Run instance»

Click the "Run instance" button to view the online instance

Accept

Use the accept option to specify which element (or group of elements) the target droppable accepts.

Instance

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置(Droppable) - 接受</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>
  #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
  #draggable, #draggable-nonvalid { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
  </style>
  <script>
  $(function() {
    $( "#draggable, #draggable-nonvalid" ).draggable();
    $( "#droppable" ).droppable({
      accept: "#draggable",
      activeClass: "ui-state-hover",
      hoverClass: "ui-state-active",
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "p" )
            .html( "Dropped!" );
      }
    });
  });
  </script>
</head>
<body>
 
<div id="draggable-nonvalid" class="ui-widget-content">
  <p>我是不能被放置的 draggable</p>
</div>
 
<div id="draggable" class="ui-widget-content">
  <p>请拖拽我到目标</p>
</div>
 
<div id="droppable" class="ui-widget-header">
  <p>accept: '#draggable'</p>
</div>
 
 
</body>
</html>

Run instance»

Click the "Run instance" button to view the online instance

Prevent propagation

When using nested droppables — for example, you could have a tree-shaped editable directory structure with folders and document nodes - greedy option set to true to prevent event propagation when a draggable is dropped on a child node (droppable).

Instance

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置(Droppable) - 防止传播</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>
  #draggable { width: 100px; height: 40px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
  #droppable, #droppable2 { width: 230px; height: 120px; padding: 0.5em; float: left; margin: 10px; }
  #droppable-inner, #droppable2-inner { width: 170px; height: 60px; padding: 0.5em; float: left; margin: 10px; }
  </style>
  <script>
  $(function() {
    $( "#draggable" ).draggable();
 
    $( "#droppable, #droppable-inner" ).droppable({
      activeClass: "ui-state-hover",
      hoverClass: "ui-state-active",
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "> p" )
            .html( "Dropped!" );
        return false;
      }
    });
 
    $( "#droppable2, #droppable2-inner" ).droppable({
      greedy: true,
      activeClass: "ui-state-hover",
      hoverClass: "ui-state-active",
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "> p" )
            .html( "Dropped!" );
      }
    });
  });
  </script>
</head>
<body>
 
<div id="draggable" class="ui-widget-content">
  <p>请拖拽我到目标</p>
</div>
 
<div id="droppable" class="ui-widget-header">
  <p>外部 droppable</p>
  <div id="droppable-inner" class="ui-widget-header">
    <p>内部 droppable(不带有 greedy)</p>
  </div>
</div>
 
<div id="droppable2" class="ui-widget-header">
  <p>外部 droppable</p>
  <div id="droppable2-inner" class="ui-widget-header">
    <p>内部 droppable(带有 greedy)</p>
  </div>
</div>
 
 
</body>
</html>

Run instance»

Click the "Run instance" button to view the online instance

Restore the draggable's position

Returns the draggable (or it assistant) to the original position.

Instance

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置(Droppable) - 还原 draggable 的位置</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>
  #draggable, #draggable2 { width: 100px; height: 100px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
  #droppable { width: 150px; height: 150px; padding: 0.5em; float: left; margin: 10px; }
  </style>
  <script>
  $(function() {
    $( "#draggable" ).draggable({ revert: "valid" });
    $( "#draggable2" ).draggable({ revert: "invalid" });
 
    $( "#droppable" ).droppable({
      activeClass: "ui-state-default",
      hoverClass: "ui-state-hover",
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "p" )
            .html( "已放置!" );
      }
    });
  });
  </script>
</head>
<body>
 
<div id="draggable" class="ui-widget-content">
  <p>当被放置在目标上时还原</p>
</div>
 
<div id="draggable2" class="ui-widget-content">
  <p>当未被放置在目标上时还原</p>
</div>
 
<div id="droppable" class="ui-widget-header">
  <p>请放置在这里</p>
</div>
 
 
</body>
</html>

Run instance»
Click the "Run instance" button to view the online instance

Shopping Cart Demonstration

Demonstrates how to use accordion panels to display the catalog structure of products, and use drag and drop to add products to the shopping cart, shopping cart Products in are sortable.

Instance

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置(Droppable) - 购物车演示</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>
  h1 { padding: .2em; margin: 0; }
  #products { float:left; width: 500px; margin-right: 2em; }
  #cart { width: 200px; float: left; margin-top: 1em; }
  /* 定义列表样式,以便最大化 droppable */
  #cart ol { margin: 0; padding: 1em 0 1em 3em; }
  </style>
  <script>
  $(function() {
    $( "#catalog" ).accordion();
    $( "#catalog li" ).draggable({
      appendTo: "body",
      helper: "clone"
    });
    $( "#cart ol" ).droppable({
      activeClass: "ui-state-default",
      hoverClass: "ui-state-hover",
      accept: ":not(.ui-sortable-helper)",
      drop: function( event, ui ) {
        $( this ).find( ".placeholder" ).remove();
        $( "<li></li>" ).text( ui.draggable.text() ).appendTo( this );
      }
    }).sortable({
      items: "li:not(.placeholder)",
      sort: function() {
        // 获取由 droppable 与 sortable 交互而加入的条目
        // 使用 connectWithSortable 可以解决这个问题,但不允许您自定义 active/hoverClass 选项
        $( this ).removeClass( "ui-state-default" );
      }
    });
  });
  </script>
</head>
<body>
 
<div id="products">
  <h1 class="ui-widget-header">产品</h1>
  <div id="catalog">
    <h2><a href="#">T-Shirts</a></h2>
    <div>
      <ul>
        <li>Lolcat Shirt</li>
        <li>Cheezeburger Shirt</li>
        <li>Buckit Shirt</li>
      </ul>
    </div>
    <h2><a href="#">Bags</a></h2>
    <div>
      <ul>
        <li>Zebra Striped</li>
        <li>Black Leather</li>
        <li>Alligator Leather</li>
      </ul>
    </div>
    <h2><a href="#">Gadgets</a></h2>
    <div>
      <ul>
        <li>iPhone</li>
        <li>iPod</li>
        <li>iPad</li>
      </ul>
    </div>
  </div>
</div>
 
<div id="cart">
  <h1 class="ui-widget-header">购物车</h1>
  <div class="ui-widget-content">
    <ol>
      <li class="placeholder">添加产品到这里</li>
    </ol>
  </div>
</div>
 
 
</body>
</html>

Run instance »
Click the "Run instance" button to view the online instance

Simple photo manager

You can delete photos by dragging them to the recycle bin or clicking the recycle bin icon.

You can restore photos by dragging them to the album or clicking the recycling icon.

You can view a larger image by clicking on the zoom icon. The jQuery UI dialog widget is used for modal windows.

Instance

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置(Droppable) - 简单的照片管理器</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() {
    // 这是相册和回收站
    var $gallery = $( "#gallery" ),
      $trash = $( "#trash" );
 
    // 让相册的条目可拖拽
    $( "li", $gallery ).draggable({
      cancel: "a.ui-icon", // 点击一个图标不会启动拖拽
      revert: "invalid", // 当未被放置时,条目会还原回它的初始位置
      containment: "document",
      helper: "clone",
      cursor: "move"
    });
 
    // 让回收站可放置,接受相册的条目
    $trash.droppable({
      accept: "#gallery > li",
      activeClass: "ui-state-highlight",
      drop: function( event, ui ) {
        deleteImage( ui.draggable );
      }
    });
 
    // 让相册可放置,接受回收站的条目
    $gallery.droppable({
      accept: "#trash li",
      activeClass: "custom-state-active",
      drop: function( event, ui ) {
        recycleImage( ui.draggable );
      }
    });
 
    // 图像删除功能
    var recycle_icon = "<a href='link/to/recycle/script/when/we/have/js/off' title='还原图像' class='ui-icon ui-icon-refresh'>还原图像</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" });
        });
      });
    }
 
    // 图像还原功能
    var trash_icon = "<a href='link/to/trash/script/when/we/have/js/off' title='删除图像' class='ui-icon ui-icon-trash'>删除图像</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();
      });
    }
 
    // 图像预览功能,演示 ui.dialog 作为模态窗口使用
    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 = $( "<img alt='" + title + "' width='384' height='288' style='display: none; padding: 8px;' />" )
          .attr( "src", src ).appendTo( "body" );
        setTimeout(function() {
          img.dialog({
            title: title,
            width: 400,
            modal: true
          });
        }, 1 );
      }
    }
 
    // 通过事件代理解决图标行为
    $( "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="/wp-content/uploads/2014/03/high_tatras_min.jpg" alt="High Tatras 的最高峰" width="96" height="72">
    <a href="/wp-content/uploads/2014/03/high_tatras.jpg" title="查看大图" class="ui-icon ui-icon-zoomin">查看大图</a>
    <a href="link/to/trash/script/when/we/have/js/off" title="删除图像" class="ui-icon ui-icon-trash">删除图像</a>
  </li>
  <li class="ui-widget-content ui-corner-tr">
    <h5 class="ui-widget-header">High Tatras 2</h5>
    <img src="/wp-content/uploads/2014/03/high_tatras2_min.jpg" alt="绿山湖畔的小屋" width="96" height="72">
    <a href="/wp-content/uploads/2014/03/high_tatras2.jpg" title="查看大图" class="ui-icon ui-icon-zoomin">查看大图</a>
    <a href="link/to/trash/script/when/we/have/js/off" title="删除图像" class="ui-icon ui-icon-trash">删除图像</a>
  </li>
  <li class="ui-widget-content ui-corner-tr">
    <h5 class="ui-widget-header">High Tatras 3</h5>
    <img src="/wp-content/uploads/2014/03/high_tatras3_min.jpg" alt="计划登高" width="96" height="72">
    <a href="/wp-content/uploads/2014/03/high_tatras3.jpg" title="查看大图" class="ui-icon ui-icon-zoomin">查看大图</a>
    <a href="link/to/trash/script/when/we/have/js/off" title="删除图像" class="ui-icon ui-icon-trash">删除图像</a>
  </li>
  <li class="ui-widget-content ui-corner-tr">
    <h5 class="ui-widget-header">High Tatras 4</h5>
    <img src="/wp-content/uploads/2014/03/high_tatras4_min.jpg" alt="在 Kozi kopka 的顶部" width="96" height="72">
    <a href="/wp-content/uploads/2014/03/high_tatras4.jpg" title="查看大图" class="ui-icon ui-icon-zoomin">查看大图</a>
    <a href="link/to/trash/script/when/we/have/js/off" title="删除图像" class="ui-icon ui-icon-trash">删除图像</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>

Run instance»

Click the "Run instance" button to view the online instance

Visual feedback

When hovering over a droppable, or when a droppable is activated (i.e. an acceptable draggable is placed on a droppable) , change the appearance of droppable. Use the hoverClass or activeClass option to specify the class respectively.

Instance

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>jQuery UI 放置(Droppable) - 视觉反馈</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>
  #draggable, #draggable2 { width: 90px; height: 90px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
  #droppable, #droppable2 { width: 120px; height: 120px; padding: 0.5em; float: left; margin: 10px; }
  h3 { clear: left; }
  </style>
  <script>
  $(function() {
    $( "#draggable" ).draggable();
    $( "#droppable" ).droppable({
      hoverClass: "ui-state-hover",
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "p" )
            .html( "Dropped!" );
      }
    });
 
    $( "#draggable2" ).draggable();
    $( "#droppable2" ).droppable({
      accept: "#draggable2",
      activeClass: "ui-state-default",
      drop: function( event, ui ) {
        $( this )
          .addClass( "ui-state-highlight" )
          .find( "p" )
            .html( "Dropped!" );
      }
    });
  });
  </script>
</head>
<body>
 
<h3>当悬停在 droppable 上时的反馈:</h3>
 
<div id="draggable" class="ui-widget-content">
  <p>请拖拽我到目标</p>
</div>
 
<div id="droppable" class="ui-widget-header">
  <p>请放置在这里</p>
</div>
 
<h3>当激活 draggable 时的反馈:</h3>
 
<div id="draggable2" class="ui-widget-content">
  <p>请拖拽我到目标</p>
</div>
 
<div id="droppable2" class="ui-widget-header">
  <p>请放置在这里</p>
</div>
 
 
</body>
</html>

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