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<!doctype html>
<html>
<head>
<title>Modifier keys being used with a dropzone attribute and dragenter/dragover events</title>
<style type="text/css">
div:first-child {
height: 100px;
width: 100px;
background: orange;
display: inline-block;
}
div:first-child + div {
height: 100px;
width: 100px;
background: blue;
display: inline-block;
}
div:first-child + div + div {
height: 100px;
width: 100px;
background: fuchsia;
display: inline-block;
}
table {
display: inline-table;
margin-right: 1em;
border-collapse: collapse;
}
table, th, td {
border: 1px solid black;
}
thead th {
background: silver;
color: black;
}
</style>
<script type="text/javascript">
window.onload = function () {
var orange = document.getElementsByTagName('div')[0];
orange.ondragstart = function (e) {
e.dataTransfer.setData('text/plain','http://example.com/');
e.dataTransfer.effectAllowed = 'copy';
};
var fuchsia = document.getElementsByTagName('div')[2], fde, fdo;
fuchsia.ondragenter = function (e) {
fde = e.dataTransfer.dropEffect;
};
fuchsia.ondragover = function (e) {
fdo = e.dataTransfer.dropEffect;
};
fuchsia.ondrop = function (e) {
//dropzone overrides the modifier, always, and ignores effectAllowed
e.preventDefault();
var sequence = ([fde,fdo,e.dataTransfer.dropEffect]).join('=>')
var desiredsequence = (['move','move','link']).join('=>')
if( sequence == desiredsequence ) {
document.getElementsByTagName('div')[3].innerHTML = 'PASS';
} else {
document.getElementsByTagName('div')[3].innerHTML = 'FAIL, got:<br>'+sequence+'<br>instead of:<br>'+desiredsequence;
}
};
};
</script>
</head>
<body>
<div draggable="true"></div>
<div></div>
<div dropzone="link string:text/plain"></div>
<div> </div>
<ol>
<li>Drag the orange square over the blue square</li>
<li>Press the relevant modifier keys for your platform to request a "move" drop effect (eg. Shift on Windows/Unix/Linux, Command on Mac)</li>
<li>Continue dragging over the pink square</li>
<li>If supported by the platform, the mouse cursor should show that a "link" drop effect will be used</li>
<li>Release the drag, then the keys</li>
<li>Fail if no new text appears above this list</li>
</ol>
<noscript><p>Enable JavaScript and reload</p></noscript>
</body>
</html>
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