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2024-07-23 277bbae216debe7e6c04e8cc6ee6e1ba9763e14b
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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Accept a Drop - jQuery EasyUI Demo</title>
    <link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
    <link rel="stylesheet" type="text/css" href="../../themes/icon.css">
    <link rel="stylesheet" type="text/css" href="../demo.css">
    <script type="text/javascript" src="../../jquery.min.js"></script>
    <script type="text/javascript" src="../../jquery.easyui.min.js"></script>
</head>
<body>
    <h2>Accept a Drop</h2>
    <p>Some draggable object can not be accepted.</p>
    <div style="margin:20px 0;"></div>
    <div id="source" style="border:1px solid #ccc;width:300px;height:400px;float:left;margin:5px;">
        drag me!
        <div id="d1" class="drag">Drag 1</div>
        <div id="d2" class="drag">Drag 2</div>
        <div id="d3" class="drag">Drag 3</div>
    </div>
    <div id="target" style="border:1px solid #ccc;width:300px;height:400px;float:left;margin:5px;">
        drop here!
    </div>
    <div style="clear:both"></div>
    <style type="text/css">
        .drag{
            width:100px;
            height:50px;
            padding:10px;
            margin:5px;
            border:1px solid #ccc;
            background:#AACCFF;
        }
        .dp{
            opacity:0.5;
            filter:alpha(opacity=50);
        }
        .over{
            background:#FBEC88;
        }
    </style>
    <script>
        $(function(){
            $('.drag').draggable({
                proxy:'clone',
                revert:true,
                cursor:'auto',
                onStartDrag:function(){
                    $(this).draggable('options').cursor='not-allowed';
                    $(this).draggable('proxy').addClass('dp');
                },
                onStopDrag:function(){
                    $(this).draggable('options').cursor='auto';
                }
            });
            $('#target').droppable({
                accept:'#d1,#d3',
                onDragEnter:function(e,source){
                    $(source).draggable('options').cursor='auto';
                    $(source).draggable('proxy').css('border','1px solid red');
                    $(this).addClass('over');
                },
                onDragLeave:function(e,source){
                    $(source).draggable('options').cursor='not-allowed';
                    $(source).draggable('proxy').css('border','1px solid #ccc');
                    $(this).removeClass('over');
                },
                onDrop:function(e,source){
                    $(this).append(source)
                    $(this).removeClass('over');
                }
            });
        });
    </script>
 
</body>
</html>