REVERT ATTEMPT

by bizamajig

HTML

<ul id="sortable1" class="connectedSortable">
    <li class="ui-state-default">Item 1</li>
    <li class="ui-state-default">Item 2</li>
    <li class="ui-state-default">Item 3</li>
    <li class="ui-state-default">Item 4</li>
    <li class="ui-state-default">Item 5</li>
</ul>
<ul id="sortable2" class="connectedSortable">
    <li class="ui-state-highlight">Item 1</li>
    <li class="ui-state-highlight">Item 2</li>
    <li class="ui-state-highlight">Item 3</li>
    <li class="ui-state-highlight">Item 4</li>
    <li class="ui-state-highlight">Item 5</li>
</ul>

CSS

#sortable1, #sortable2 {
      border: 1px solid #eee;
      width: 142px;
      min-height: 20px;
      list-style-type: none;
      margin: 0;
      padding: 5px 0 0 0;
      float: left;
      margin-right: 10px;
  }
  #sortable1 li, #sortable2 li {
      margin: 0 5px 5px 5px;
      padding: 5px;
      font-size: 1.2em;
      width: 120px;
  }

JavaScript

$(function () {
        var invalid= false;
      $("#sortable1").sortable({
          connectWith: "#sortable2",
          revert: true

      });
      
      $("#sortable2").sortable({
          receive: function(event,ui){
              if(invalid === true){
//							$(ui.item).parent().sortable("option","revert",true);
                ui.sender.sortable("cancel");
              }
          },
          over: function(event,ui){
              invalid = false;
          },
          out:function(event,ui){
              invalid = true;
          }
      });

  });