jQuery Droppable photo manager

http://jqueryui.com/droppable/#photo-manager

by Francis Rodrigues

HTML

<link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
<script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<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="http://tinyurl.com/leaz7cg" alt="The peaks" width="96" height="72" />
            <a href="http://tinyurl.com/leaz7cg" title="View larger" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="link/to/trash" title="Delete" class="ui-icon ui-icon-trash">Delete</a>
        </li>
        
        <li class="ui-widget-content ui-corner-tr">
            <h5 class="ui-widget-header">High Tatras 2</h5>
            <img src="http://tinyurl.com/m896utq" alt="" width="96" height="72" />
            <a href="http://tinyurl.com/m896utq" title="View larger" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="link/to/trash" title="Delete" class="ui-icon ui-icon-trash">Delete</a>
        </li>
        
        <li class="ui-widget-content ui-corner-tr">
            <h5 class="ui-widget-header">High Tatras 3</h5>
            <img src="http://tinyurl.com/m8aw9ls" alt="Planning" width="96" height="72" />
            <a href="http://tinyurl.com/m8aw9ls" title="View larger" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="link/to/trash" title="Delete" class="ui-icon ui-icon-trash">Delete</a>
        </li>
        
        <li class="ui-widget-content ui-corner-tr">
            <h5 class="ui-widget-header">High Tatras 4</h5>
            <img src="http://tinyurl.com/mnnyw5o" alt="On top" width="96" height="72" />
            <a href="http://tinyurl.com/mnnyw5o" title="View larger" class="ui-icon ui-icon-zoomin">View larger</a>
            <a href="link/to/trash" title="Delete" class="ui-icon ui-icon-trash">Delete</a>
       ...

CSS

#gallery { float: left; width: 65%; min-height: 12em; }
.gallery.custom-state-active { background: #eee; }
.gallery li {
    float: left; padding: 0.4em; margin: 0 0.4em 0.4em 0;
    width: 96px; 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; }

JavaScript

$(function() {
    // there's the gallery and the trash
    var $gallery = $("#gallery"),
        $trash = $("#trash");
 
    // let the gallery items be draggable
    $("li", $gallery).draggable({
      cancel: "a.ui-icon", // clicking an icon won't initiate dragging
      revert: "invalid", // when not dropped, the item will revert back to its initial position
      containment: "document",
      helper: "clone",
      cursor: "move"
    });
 
    // let the trash be droppable, accepting the gallery items
    $trash.droppable({
      accept: "#gallery > li",
      activeClass: "ui-state-highlight",
      drop: function(event, ui) {
        deleteImage(ui.draggable);
      }
    });
 
    // let the gallery be droppable as well, accepting items from the trash
    $gallery.droppable({
      accept: "#trash li",
      activeClass: "custom-state-active",
      drop: function(event, ui) {
        recycleImage(ui.draggable);
      }
    });
 
    // image deletion function
    var recycle_icon = "<a href='link/to/recycle' title='Recycle this image' class='ui-icon ui-icon-refresh'>Recycle image</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" });
        });
      });
    }
 
    // image recycle function
    var trash_icon = "<a href='link/to/trash' title='Delete' class='ui-icon ui-icon-trash'>Delete</a>";
    function recycleImage( $item ) {
      $item.fadeOut(function() {
        $item
          .find( "a.ui-icon-refresh" )
            .remove()
          .end()
          .css( "width", "96px")
          .append( trash_icon )
          .find( "img" )
           ...