| <!DOCTYPE html> |
| <title>drag & drop - microdata for selection surrounding multiple items</title> |
| <style> |
| body > div { |
| height: 100px; |
| width: 200px; |
| background-color: fuchsia; |
| position: absolute; |
| top: 8px; |
| left: 8px; |
| } |
| span * { |
| display: none; |
| } |
| body > div + div { |
| background-color: navy; |
| top: 116px; |
| } |
| body > div + div + div { |
| background-color: orange; |
| top: 224px; |
| } |
| p:first-of-type { |
| margin-top: 350px; |
| } |
| </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')[2]; |
| orange.childNodes[1].appendChild( makeEl('span',{itemprop:'foo'},'test') ); |
| orange.childNodes[3].appendChild( makeEl('span',{itemprop:'bar'},'test') ); |
| 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.previousSibling.ondragenter = orange.previousSibling.ondragleave = orange.previousSibling.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.previousSibling.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) { |
| var i; |
| if( !md ) { return 'no microdata'; } |
| md = JSON.parse(md); |
| if( !md.items ) { return 'no items'; } |
| if( md.items.length != 2 ) { return md.items.length+' items instead of 2'; } |
| if( !md.items[0].properties ) { return 'no items[0].properties'; } |
| if( !md.items[0].properties.foo ) { return 'no items[0].properties.foo'; } |
| if( md.items[0].properties.foo.length != 1 ) { return 'items[0].properties.foo length '+md.items[0].properties.foo.length+' instead of 1'; } |
| if( md.items[0].properties.foo[0] != orange.childNodes[1].properties.namedItem('foo').getValues()[0] ) { return 'items[0].properties.foo[0] <i>'+md.items[0].properties.foo[0]+'</i> instead of <i>'+orange.childNodes[1].properties.namedItem('foo').getValues()[0]+'</i>'; } |
| if( !md.items[1].properties ) { return 'no items[1].properties'; } |
| if( !md.items[1].properties.bar ) { return 'no items[1].properties.bar'; } |
| if( md.items[1].properties.bar.length != 1 ) { return 'items[1].properties.bar length '+md.items[1].properties.bar.length+' instead of 1'; } |
| if( md.items[1].properties.bar[0] != orange.childNodes[1].properties.namedItem('foo').getValues()[0] ) { return 'items[1].properties.bar[0] <i>'+md.items[1].properties.bar[0]+'</i> instead of <i>'+orange.childNodes[1].properties.namedItem('foo').getValues()[0]+'</i>'; } |
| return ''; |
| } |
| |
| </script> |
| |
| <div></div><div></div><div>01<span itemscope>23</span>45<span itemscope>67</span>89</div> |
| |
| <p>Use your pointing device to select the text substring "12345678" above, drag the selection upwards to the pink box, |
| then back to the blue box, and release it.</p> |
| <noscript><p>Enable JavaScript and reload</p></noscript> |