020.xhtml (3356B)
1 <?xml version="1.0" encoding="utf-8"?> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>dataTransfer.clearData during link drag and drop</title> 5 <style type="text/css"> 6 div 7 {height:100px; 8 width:100px; 9 padding:20px; 10 background-color:silver;} 11 </style> 12 <script type="application/ecmascript"> 13 <![CDATA[ 14 var dataTypes = ['text/uri-list', 'text/plain', 'application/xml', 'application/xhtml+xml', 'application/mathml+xml', 'image/svg+xml', 'text/html', 'text/x-example'], 15 data = ['data:text/plain,FAIL', 'FAIL', '<result>FAIL</result>', '<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Data store item</title></head><body><p>FAIL</p></body></html>', '<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math>', '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="100px" height="50px" viewBox="0 0 100 50"><text x="0" y="40" font-size="40" fill="green">FAIL</text></svg>', '<!DOCTYPE html><html><head><title>Data store item</title></head><body><p>FAIL</p></body></html>', 'FAIL'], 16 l = 0; 17 function start(event) 18 {event.dataTransfer.effectAllowed = 'copy'; 19 for(var i = 0; i != dataTypes.length; i++) 20 {event.dataTransfer.setData(dataTypes[i], data[i]);} 21 say('items.length (dragstart) : ' + ((event.dataTransfer.items.length >= dataTypes.length)?'PASS':'FAIL')); 22 } 23 function start(event) 24 {event.dataTransfer.effectAllowed = 'copy'; 25 l = event.dataTransfer.items.length; 26 for(var i = 0; i != dataTypes.length; i++) 27 {event.dataTransfer.setData(dataTypes[i], data[i]);} 28 for(var i = 0; i != dataTypes.length; i++) 29 {event.dataTransfer.clearData(dataTypes[i]);} 30 say('items.length (dragstart) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL'));} 31 function dragElement(event) 32 {for(var i = 0; i != dataTypes.length; i++) 33 {event.dataTransfer.setData(dataTypes[i], 'FAIL'); 34 if(event.dataTransfer.getData(dataTypes[i])) 35 {say('getData(' + dataTypes[i] + ') : FAIL (data store should not be readable during drag)')} 36 } 37 if(event.dataTransfer.items.length > l) 38 {say('items.length (dragover) : FAIL' + event.dataTransfer.items.length)} 39 } 40 function enterElement(event) 41 {event.preventDefault(); 42 for(var i = 0; i != dataTypes.length; i++) 43 {event.dataTransfer.setData(dataTypes[i], 'FAIL'); 44 if(event.dataTransfer.getData(dataTypes[i])) 45 {say('getData(' + dataTypes[i] + ') : FAIL (data store should not be readable during dragenter)')} 46 } 47 say('items.length (dragenter) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL'));} 48 function dataDrop(event) 49 {say('items.length (drop) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL')); 50 for(var i = 0; i != dataTypes.length; i++) 51 {say('getData(' + dataTypes[i] + ') : ' + ((event.dataTransfer.getData(dataTypes[i]) == '')?'PASS':'FAIL'));} 52 document.querySelector('div').setAttribute('style','background-color:green');} 53 function say(it) 54 {document.querySelector('pre').appendChild(document.createTextNode(it + '\n'));} 55 ]]> 56 </script> 57 </head> 58 <body> 59 <p><a href="data:text/plain,1" ondragstart="start(event)" ondrag="dragElement(event)">Drag me</a></p> 60 <p>Drag link above to the silver box below and drop it. Silver box should turn green and test results should appear below.</p> 61 <div ondragenter="enterElement(event)" ondragover="return false;" ondrop="dataDrop(event)"/> 62 <pre/> 63 </body> 64 </html>