| <!doctype html> |
| <html> |
| <head> |
| <title>Modifier keys selecting dropEffect with script overriding it</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; |
| background: blue; |
| display: inline-block; |
| } |
| div:first-child + div + div { |
| height: 100px; |
| width: 100px; |
| background: fuchsia; |
| display: inline-block; |
| } |
| table { |
| display: inline-table; |
| margin-right: 1em; |
| border-collapse: collapse; |
| } |
| table, th, td { |
| border: 1px solid black; |
| } |
| thead th { |
| background: silver; |
| color: black; |
| } |
| </style> |
| <script type="text/javascript"> |
| window.onload = function () { |
| var dragenterbefore = '', dragenterafter = '', dragoverbefore = '', dragoverafter = ''; |
| var orange = document.getElementsByTagName('div')[0]; |
| orange.ondragstart = function (e) { |
| e.dataTransfer.setData('text','http://example.com/'); |
| e.dataTransfer.effectAllowed = 'all'; |
| }; |
| var fuchsia = document.getElementsByTagName('div')[2]; |
| fuchsia.ondragenter = function (e) { |
| e.preventDefault(); |
| if( e.dataTransfer.dropEffect != 'link' ) { |
| dragenterbefore = e.dataTransfer.dropEffect; |
| } |
| try { |
| e.dataTransfer.dropEffect = 'move'; |
| } catch(e) {} |
| if( e.dataTransfer.dropEffect != 'move' ) { |
| dragenterafter = e.dataTransfer.dropEffect; |
| } |
| }; |
| fuchsia.ondragover = function (e) { |
| e.preventDefault(); |
| if( e.dataTransfer.dropEffect != 'link' ) { |
| dragoverbefore = e.dataTransfer.dropEffect; |
| } |
| try { |
| e.dataTransfer.dropEffect = 'move'; |
| } catch(e) {} |
| if( e.dataTransfer.dropEffect != 'move' ) { |
| dragoverafter = e.dataTransfer.dropEffect; |
| } |
| }; |
| fuchsia.ondrop = function (e) { |
| e.preventDefault(); |
| document.getElementsByTagName('div')[3].innerHTML = ( dragenterbefore || dragenterafter || dragoverbefore || dragoverafter || e.dataTransfer.dropEffect != 'move' ) ? ( 'FAIL' + |
| ( dragenterbefore ? ( '<br>dragenter.dropEffect was '+dragenterbefore+' instead of link' ) : '' ) + |
| ( dragenterafter ? ( '<br>dragenter.dropEffect after writing was '+dragenterafter+' instead of move' ) : '' ) + |
| ( dragoverbefore ? ( '<br>dragover.dropEffect was '+dragoverbefore+' instead of link' ) : '' ) + |
| ( dragoverafter ? ( '<br>dragover.dropEffect after writing was '+dragoverafter+' instead of move' ) : '' ) + |
| ( ( e.dataTransfer.dropEffect != 'move' ) ? ( '<br>drop.dropEffect was '+e.dataTransfer.dropEffect+' instead of move' ) : '' ) |
| ) : 'PASS'; |
| }; |
| }; |
| </script> |
| </head> |
| <body> |
| |
| <div draggable="true"></div> |
| <div></div> |
| <div></div> |
| <div> </div> |
| <ol> |
| <li>Drag the orange square over the blue square</li> |
| <li>Press the relevant modifier keys for your platform to request a "link" drop effect (eg. Alt on Windows, Ctrl+Shift on Unix/Linux, Command+Option on Mac)</li> |
| <li>Continue dragging over the pink square</li> |
| <li>If supported by the platform, the mouse cursor should show that a "move" drop effect will be used</li> |
| <li>Release the drag, then the keys</li> |
| <li>Fail if no new text appears above this list</li> |
| </ol> |
| |
| </body> |
| </html> |