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100 lines
3.9 KiB
HTML
100 lines
3.9 KiB
HTML
<!DOCTYPE html>
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<title>drag & drop - microdata for selection partially intersecting multiple items but not siblings</title>
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<style>
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body > div {
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height: 100px;
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width: 400px;
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background-color: fuchsia;
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position: absolute;
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top: 8px;
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left: 8px;
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}
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body > div + div {
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background-color: navy;
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top: 116px;
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}
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body > div + div + div {
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background-color: orange;
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top: 224px;
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}
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p:first-of-type {
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margin-top: 350px;
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}
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</style>
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<script>
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function makeEl(eltype,props,contents) {
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var elem = document.createElement(eltype);
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for( var i in props ) {
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if( props.hasOwnProperty(i) ) {
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elem.setAttribute(i,props[i]);
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}
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}
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if( contents ) {
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elem.innerHTML = contents;
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}
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return elem;
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}
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var orange, fails = [], doneonce = false;
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window.onload = function() {
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orange = document.getElementsByTagName('div')[2];
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orange.ondragstart = function(e) {
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e.dataTransfer.effectAllowed = 'copy';
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e.dataTransfer.setData('Text', 'dummy text');
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var err;
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if( err = checkprops(e.dataTransfer.getData('application/microdata+json')) ) {
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fails[fails.length] = e.type + ' ' + err;
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}
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};
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orange.previousSibling.ondragenter = orange.previousSibling.ondragleave = orange.previousSibling.ondragover =
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orange.ondrag = orange.ondragend = function(e) {
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if( e.type == 'dragover' || e.type == 'dragenter' ) {
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e.preventDefault();
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e.dataTransfer.dropEffect = 'copy';
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}
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if( e.dataTransfer.getData('application/microdata+json') ) {
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fails[fails.length] = e.type + ' unexpectedly had microdata (security restriction)';
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}
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};
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orange.previousSibling.ondrop = function(e) {
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var err;
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if( err = checkprops(e.dataTransfer.getData('application/microdata+json')) ) {
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fails[fails.length] = e.type + ' ' + err;
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}
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if( e.type != 'drop' ) { return; }
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if( doneonce ) { return; }
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doneonce = true;
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setTimeout(function () {
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document.getElementsByTagName('p')[0].innerHTML = fails.length ? ( 'FAIL: ' + fails.join('<br>') ) : 'PASS';
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fails = [];
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}, 200 );
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};
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};
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function checkprops(md) {
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// http://dev.w3.org/html5/spec/dnd.html#list-of-dragged-nodes
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//"If it is a selection that is being dragged, then the list of dragged nodes contains, in tree order, every node that is partially or completely included in the selection (including all their ancestors)."
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//this test checks that all ancestors of the selection's end points are included, and all elements enclosed by the selection are included, but no non-selected siblings of ancestors are included
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var i;
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if( !md ) { return 'no microdata'; }
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md = JSON.parse(md);
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if( !md.items ) { return 'no items'; }
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if( md.items.length != 5 ) { return md.items.length+' items instead of 5'; }
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if( md.items[0].id != 'http://example.com/item1' ) { return 'items[0].id incorrect'; }
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if( md.items[1].id != 'http://example.com/item4' ) { return 'items[1].id incorrect'; }
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if( md.items[2].id != 'http://example.com/item5' ) { return 'items[2].id incorrect'; }
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if( md.items[3].id != 'http://example.com/item6' ) { return 'items[3].id incorrect'; }
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if( md.items[4].id != 'http://example.com/item7' ) { return 'items[4].id incorrect'; }
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return '';
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}
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</script>
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<div></div><div></div><div itemscope itemid="http://example.com/item1"><span itemscope itemid="http://example.com/item2">ab<span itemscope itemid="http://example.com/item3">cd</span>ef</span><span itemscope itemid="http://example.com/item4">gh<span itemscope itemid="http://example.com/item5">ij</span>kl</span><span itemscope itemid="http://example.com/item6">mn<span itemscope itemid="http://example.com/item7">op</span>qr</span><span itemscope itemid="http://example.com/item8">st<span itemscope itemid="http://example.com/item9">uv</span>wx</span></div>
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<p>Use your pointing device to select the text substring "hijklmnopq" above, drag the selection upwards to the pink box,
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then back to the blue box, and release it.</p>
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<noscript><p>Enable JavaScript and reload</p></noscript>
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