mirror of
https://github.com/classilla/tenfourfox.git
synced 2026-03-13 20:17:00 +00:00
100 lines
2.8 KiB
HTML
100 lines
2.8 KiB
HTML
<!DOCTYPE html>
|
|
<title>drag & drop - microdata with parent itemref loop</title>
|
|
<style>
|
|
blockquote > div {
|
|
height: 200px;
|
|
width: 200px;
|
|
background-color: orange;
|
|
position: absolute;
|
|
top: 8px;
|
|
left: 8px;
|
|
}
|
|
blockquote > div *, span {
|
|
display: none;
|
|
}
|
|
blockquote > div + div {
|
|
background-color: navy;
|
|
left: 250px;
|
|
}
|
|
blockquote > div + div + div {
|
|
background-color: fuchsia;
|
|
left: 500px;
|
|
}
|
|
p:first-of-type {
|
|
margin-top: 220px;
|
|
}
|
|
</style>
|
|
|
|
<script>
|
|
|
|
function makeEl(eltype,props,contents) {
|
|
var elem = document.createElement(eltype);
|
|
for( var i in props ) {
|
|
if( props.hasOwnProperty(i) ) {
|
|
elem.setAttribute(i,props[i]);
|
|
}
|
|
}
|
|
if( contents ) {
|
|
elem.innerHTML = contents;
|
|
}
|
|
return elem;
|
|
}
|
|
|
|
var orange, fails = [], doneonce = false;
|
|
window.onload = function() {
|
|
orange = document.getElementsByTagName('div')[0];
|
|
|
|
orange.ondragstart = function(e) {
|
|
e.dataTransfer.effectAllowed = 'copy';
|
|
e.dataTransfer.setData('Text', 'dummy text');
|
|
var err;
|
|
if( err = checkprops(e.dataTransfer.getData('application/microdata+json')) ) {
|
|
fails[fails.length] = e.type + ' ' + err;
|
|
}
|
|
};
|
|
orange.nextSibling.ondragenter = orange.nextSibling.ondragleave = orange.nextSibling.ondragover =
|
|
orange.ondrag = orange.ondragend = function(e) {
|
|
if( e.type == 'dragover' || e.type == 'dragenter' ) {
|
|
e.preventDefault();
|
|
e.dataTransfer.dropEffect = 'copy';
|
|
}
|
|
if( e.dataTransfer.getData('application/microdata+json') ) {
|
|
fails[fails.length] = e.type + ' unexpectedly had microdata (security restriction)';
|
|
}
|
|
};
|
|
orange.nextSibling.ondrop = function(e) {
|
|
var err;
|
|
if( err = checkprops(e.dataTransfer.getData('application/microdata+json')) ) {
|
|
fails[fails.length] = e.type + ' ' + err;
|
|
}
|
|
if( e.type != 'drop' ) { return; }
|
|
if( doneonce ) { return; }
|
|
doneonce = true;
|
|
setTimeout(function () {
|
|
document.getElementsByTagName('p')[0].innerHTML = fails.length ? ( 'FAIL: ' + fails.join('<br>') ) : 'PASS';
|
|
fails = [];
|
|
}, 200 );
|
|
};
|
|
|
|
};
|
|
function checkprops(md) {
|
|
// http://dev.w3.org/html5/md/#extracting-json
|
|
//"check if the element is a top-level microdata item, and if it is"
|
|
//as it has itemprop, it is not a top-level item, and should be ignored
|
|
var i;
|
|
if( !md ) { return 'no microdata'; }
|
|
md = JSON.parse(md);
|
|
if( !md.items ) { return 'no items'; }
|
|
if( md.items.length != 0 ) { return md.items.length+' items instead of 0'; }
|
|
return '';
|
|
}
|
|
|
|
</script>
|
|
|
|
<blockquote id='id1' itemprop='bar' itemscope>
|
|
<div draggable='true' itemscope itemprop='foo' itemref='id1'></div><div></div><div></div>
|
|
</blockquote>
|
|
|
|
<p>Use your pointing device to drag the orange box to the pink box, then back to the blue box, and release it.</p>
|
|
<noscript><p>Enable JavaScript and reload</p></noscript>
|