| <!doctype html> |
| <html> |
| <head> |
| <title>Drag and drop passing over body with all events handled at body</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; |
| margin-left: 200px; |
| background: blue; |
| display: inline-block; |
| } |
| </style> |
| <script type="text/javascript"> |
| window.onload = function () { |
| var drag = document.getElementsByTagName('div')[0], drop = document.getElementsByTagName('div')[1], sequence = []; |
| function targ(el) { |
| if( el == drag ) { return 'drag'; } |
| else if( el == drop ) { return 'drop'; } |
| else if( el == document.body ) { return 'body'; } |
| else { return el; } |
| } |
| document.body.ondragstart = function (e) { |
| e.dataTransfer.setData('text','data'); |
| e.dataTransfer.effectAllowed = 'copy'; |
| }; |
| document.body.ondragenter = function (e) { |
| e.preventDefault(); |
| sequence[sequence.length] = targ(e.target)+'.ondragenter'; |
| }; |
| document.body.ondragover = function (e) { |
| e.preventDefault(); |
| var seqname = targ(e.target)+'.ondragover'; |
| if( sequence[sequence.length-1] != seqname ) { |
| sequence[sequence.length] = seqname; |
| } |
| }; |
| document.body.ondrop = function (e) { |
| e.preventDefault(); |
| sequence[sequence.length] = targ(e.target)+'.ondrop'; |
| sequence[sequence.length] = e.dataTransfer.getData('text'); |
| }; |
| document.body.ondragend = function (e) { |
| sequence[sequence.length] = targ(e.target)+'.ondragend'; |
| sequence = sequence.join('=>') |
| var desiredsequence = (['drag.ondragenter','drag.ondragover','body.ondragenter','body.ondragover','drop.ondragenter','drop.ondragover','drop.ondrop','data','drag.ondragend']).join('=>') |
| if( sequence == desiredsequence ) { |
| document.getElementsByTagName('div')[2].innerHTML = 'PASS'; |
| } else { |
| document.getElementsByTagName('div')[2].innerHTML = 'FAIL, got:<br>'+sequence+'<br>instead of:<br>'+desiredsequence; |
| } |
| }; |
| }; |
| </script> |
| </head> |
| <body> |
| |
| <div draggable="true"></div><div></div> |
| <div> </div> |
| <p>Drag the orange square onto the blue square and release it. For the entire duration of the drag, if supported by the platform, the mouse cursor should show as a drop-allowed or drop-copy-allowed cursor.</p> |
| <noscript><p>Enable JavaScript and reload</p></noscript> |
| |
| </body> |
| </html> |