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128 lines
3.8 KiB
HTML
128 lines
3.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Drag and Drop</title>
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<style>
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label {
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margin-right: 20px;
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}
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.box {
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display: inline-block;
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width: 100px;
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height: 100px;
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text-align: center;
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line-height: 100px;
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border: 1px solid white;
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}
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#draggable {
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color: white;
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background: red;
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cursor: move;
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}
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#droppable {
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color: white;
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background: blue;
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}
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.over {
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border: 1px dashed white;
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}
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</style>
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</head>
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<body>
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<h1>Drag and Drop</h1>
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<p>
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<label>setDragImage: <input id="setDragImage" type="checkbox"></label>
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<label>effectAllowed: <select id="effectAllowed">
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<option></option>
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<option>none</option>
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<option>copy</option>
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<option>move</option>
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<option>link</option>
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<option>copyMove</option>
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<option>copyLink</option>
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<option>linkMove</option>
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<option>all</option>
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</select>
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</label>
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<label>dropEffect: <select id="dropEffect">
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<option></option>
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<option>none</option>
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<option>copy</option>
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<option>move</option>
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<option>link</option>
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</select>
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</label>
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</p>
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<div id="draggable" class="box" draggable="true">Drag Me!</div>
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<div id="droppable" class="box">Drop Here!</div>
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<ul id="messages">
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</ul>
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<script>
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var img = new Image();
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img.src = 'HTML5_Logo_64.png';
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var draggable = document.getElementById('draggable');
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draggable.onselectstart = function(e) {
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e.preventDefault();
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e.target.dragDrop();
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};
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draggable.ondragstart = function(e) {
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console.log('dragstart');
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e.dataTransfer.setData('Text', e.target.innerHTML);
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if (document.getElementById('setDragImage').checked) {
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e.dataTransfer.setDragImage(img, 32, 32);
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}
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var effectAllowed = document.getElementById('effectAllowed').value;
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if (effectAllowed) {
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e.dataTransfer.effectAllowed = effectAllowed;
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}
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};
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draggable.ondragend = function(e) {
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};
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var droppable = document.getElementById('droppable');
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droppable.ondragenter = function(e) {
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console.log('dragenter');
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// e.target.classList.add('over');
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};
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droppable.ondragover = function(e) {
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e.preventDefault(); // Allows the drop.
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var dropEffect = document.getElementById('dropEffect').value;
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if (dropEffect) {
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e.dataTransfer.dropEffect = dropEffect;
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}
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};
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droppable.ondragleave = function(e) {
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// e.target.classList.remove('over');
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};
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droppable.ondrop = function(e) {
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e.preventDefault(); // FF freaks out without this.
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// e.target.classList.remove('over');
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var text = e.dataTransfer.getData('Text');
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log('dropped: ' + text);
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};
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function log(message) {
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var li = document.createElement('li');
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li.appendChild(document.createTextNode(message));
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document.getElementById('messages').appendChild(li);
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}
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</script>
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</body>
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</html> |