mirror of
https://github.com/servo/servo
synced 2026-04-29 02:47:55 +02:00
79 lines
2.3 KiB
HTML
79 lines
2.3 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>Drag and drop without cancelling dragenter from non-target to non-target</title>
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<style type="text/css">
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div:first-child {
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height: 100px;
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width: 100px;
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background: orange;
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display: inline-block;
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}
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div:first-child + div {
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height: 100px;
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width: 100px;
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background: blue;
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display: inline-block;
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}
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</style>
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<script type="text/javascript">
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window.onload = function () {
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var drag = document.getElementsByTagName('div')[0], sequence = [];
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drag.ondragstart = function (e) {
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e.dataTransfer.setData('text','hello');
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e.dataTransfer.effectAllowed = 'copy';
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};
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drag.ondragenter = function (e) {
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sequence[sequence.length] = 'drag.dragenter';
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};
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drag.ondragover = function (e) {
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if( sequence[sequence.length-1] != 'drag.dragover' ) {
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sequence[sequence.length] = 'drag.dragover';
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}
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};
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drag.ondragleave = function (e) {
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sequence[sequence.length] = 'drag.dragleave';
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};
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var drop = document.getElementsByTagName('div')[1];
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drop.ondragenter = function (e) {
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sequence[sequence.length] = 'drop.dragenter';
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};
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drop.ondragover = function (e) {
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if( sequence[sequence.length-1] != 'drop.dragover' ) {
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sequence[sequence.length] = 'drop.dragover';
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}
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};
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drop.ondrop = function (e) {
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e.preventDefault();
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sequence[sequence.length] = 'drop.ondrop';
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};
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document.body.ondragenter = function (e) {
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sequence[sequence.length] = ( e.target == this ) ? 'body.dragenter' : 'bubble.dragenter';
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};
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document.body.ondragover = function (e) {
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if( e.target != this ) { return; }
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if( sequence[sequence.length-1] != 'body.dragover' ) {
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sequence[sequence.length] = 'body.dragover';
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}
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};
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drag.ondragend = function (e) {
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sequence = sequence.join('=>')
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var desiredsequence = (['drag.dragenter','bubble.dragenter','body.dragenter','body.dragover','drop.dragenter','bubble.dragenter','body.dragover']).join('=>')
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if( sequence == desiredsequence ) {
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document.getElementsByTagName('div')[2].innerHTML = 'PASS';
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} else {
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document.getElementsByTagName('div')[2].innerHTML = 'FAIL, got:<br>'+sequence+'<br>instead of:<br>'+desiredsequence;
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}
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};
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};
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</script>
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</head>
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<body>
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<div draggable="true"></div><div></div>
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<div> </div>
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<p>Drag the orange square onto the blue square and release it.</p>
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<noscript><p>Enable JavaScript and reload</p></noscript>
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</body>
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</html> |