tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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009.html (3197B)

      1 <!DOCTYPE html>
      2 <title>drag &amp; drop - microdata for selection surrounding one item</title>
      3 <style>
      4  body > div {
      5    height: 100px;
      6    width: 200px;
      7    background-color: fuchsia;
      8    position: absolute;
      9    top: 8px;
     10    left: 8px;
     11  }
     12  span * {
     13    display: none;
     14  }
     15  body > div + div {
     16    background-color: navy;
     17    top: 116px;
     18  }
     19  body > div + div + div {
     20    background-color: orange;
     21    top: 224px;
     22  }
     23  p:first-of-type {
     24    margin-top: 350px;
     25  }
     26 </style>
     27 
     28 <script>
     29 
     30 function makeEl(eltype,props,contents) {
     31  var elem = document.createElement(eltype);
     32  for( var i in props ) {
     33    if( props.hasOwnProperty(i) ) {
     34      elem.setAttribute(i,props[i]);
     35    }
     36  }
     37  if( contents ) {
     38    elem.innerHTML = contents;
     39  }
     40  return elem;
     41 }
     42 
     43 var orange, fails = [], doneonce = false;
     44 window.onload = function() {
     45  orange = document.getElementsByTagName('div')[2];
     46  orange.childNodes[1].appendChild( makeEl('span',{itemprop:'foo'},'test') );
     47  orange.ondragstart = function(e) {
     48    e.dataTransfer.effectAllowed = 'copy';
     49    e.dataTransfer.setData('Text', 'dummy text');
     50    var err;
     51    if( err = checkprops(e.dataTransfer.getData('application/microdata+json')) ) {
     52      fails[fails.length] = e.type + ' ' + err;
     53    }
     54  };
     55  orange.previousSibling.ondragenter = orange.previousSibling.ondragleave = orange.previousSibling.ondragover =
     56  orange.ondrag = orange.ondragend = function(e) {
     57    if( e.type == 'dragover' || e.type == 'dragenter' ) {
     58      e.preventDefault();
     59      e.dataTransfer.dropEffect = 'copy';
     60    }
     61    if( e.dataTransfer.getData('application/microdata+json') ) {
     62      fails[fails.length] = e.type + ' unexpectedly had microdata (security restriction)';
     63    }
     64  };
     65  orange.previousSibling.ondrop = function(e) {
     66    var err;
     67    if( err = checkprops(e.dataTransfer.getData('application/microdata+json')) ) {
     68      fails[fails.length] = e.type + ' ' + err;
     69    }
     70    if( e.type != 'drop' ) { return; }
     71    if( doneonce ) { return; }
     72    doneonce = true;
     73    setTimeout(function () {
     74      document.getElementsByTagName('p')[0].innerHTML = fails.length ? ( 'FAIL: ' + fails.join('<br>') ) : 'PASS';
     75      fails = [];
     76    }, 200 );
     77  };
     78 
     79 };
     80 function checkprops(md) {
     81  var i;
     82  if( !md ) { return 'no microdata'; }
     83  md = JSON.parse(md);
     84  if( !md.items || md.items.length != 1 ) { return 'no items'; }
     85  if( !md.items[0].properties ) { return 'no properties'; }
     86  if( !md.items[0].properties.foo ) { return 'no properties.foo'; }
     87  if( md.items[0].properties.foo.length != 1 ) { return 'properties.foo length '+md.items[0].properties.foo.length+' instead of 1'; }
     88  if( md.items[0].properties.foo[0] != orange.childNodes[1].properties.namedItem('foo').getValues()[0] ) { return 'properties.foo[0] <i>'+md.items[0].properties.foo[0]+'</i> instead of <i>'+orange.childNodes[1].properties.namedItem('foo').getValues()[0]+'</i>'; }
     89  return '';
     90 }
     91 
     92 </script>
     93 
     94 <div></div><div></div><div>01<span itemscope>23</span>45<span>67</span>89</div>
     95 
     96 <p>Use your pointing device to select the text substring "12345678" above, drag the selection upwards to the pink box,
     97 then back to the blue box, and release it.</p>
     98 <noscript><p>Enable JavaScript and reload</p></noscript>