script.aculo.us Drag & Drop greedy Option

0 0 1 minute read

This script.aculo.us Drag & Drop greedy Option is used to stops processing hovering other droppable, under the drag-gable won’t be searched. The default value of this option is true, that means the drop area will accept the draggable element false won’t.

Syntax:

Droppables.add('element', {greedy: false or true});

Example:

html

<!DOCTYPE html>
<html>
 
<head>
    <script type="text/javascript" 
        src="scriptaculous-js-1.9.0/lib/prototype.js">
    </script>
     
    <script type="text/javascript" 
        src="scriptaculous-js-1.9.0/src/scriptaculous.js">
    </script>
     
    <script type="text/javascript">
        window.onload = function () {
 
            $A($('draggables').getElementsByTagName(
                'img')).each(function (item) {
                    new Draggable(
                        item, { revert: true, ghosting: true });
                });
 
            Droppables.add(
                'droparea', {
                    hoverclass: 'hoverActive',
                greedy: false, onDrop: moveItem
            });
 
            // Set drop area default non cleared.
            $('droparea').cleared = false;
        }
 
        function moveItem(draggable, droparea) {
            if (!droparea.cleared) {
                droparea.innerHTML = '';
                droparea.cleared = true;
            }
 
            draggable.parentNode.removeChild(draggable);
            droparea.appendChild(draggable);
        }
    </script>
 
    <style type="text/css">
        #draggables {
            width: 550px;
            height: 73px;
        }
 
        #gfg {
            width: 550px;
            height: 73px;
        }
 
        #droparea {
            float: left;
            width: 650px;
            height: 90px;
            border: 2px solid gray;
            text-align: center;
            font-size: 16px;
            padding: 12px;
        }
    </style>
</head>
 
<body>
    <div>
        <h1 style="color: green">
            zambiatek
        </h1>
         
        <p>A Computer Science Portal for Geeks</p>
    </div>
 
    <strong>
        script.aculo.us Drag & Drop
        greedy Option
    </strong>
     
    <div id="draggables">
        <img src="gfg.png">
        <img src="gfg1.png">
    </div>
     
    <div id="droparea">
        Drag the Image and Drop Your 
        Image in this area
    </div>
</body>
 
</html>

Output:

Before drag and drop:
After drag and drop: Drop area won’t accept the element.

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