021.xhtml (3097B)
1 <?xml version="1.0" encoding="utf-8"?> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>dataTransfer.clearData during block element drag and drop</title> 5 <style type="text/css"> 6 div 7 {height:100px; 8 width:100px; 9 padding:20px; 10 background-color:green;} 11 p + div 12 {background-color:gray;} 13 </style> 14 <script type="application/ecmascript"> 15 <![CDATA[ 16 var dataTypes = ['text/plain', 'text/uri-list', 'application/xml', 'application/xhtml+xml', 'application/mathml+xml', 'image/svg+xml', 'text/html', 'text/x-example'], 17 data = ['FAIL', 'data:text/plain,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'], 18 l = 0; 19 function start(event) 20 {event.dataTransfer.effectAllowed = 'copy'; 21 l = event.dataTransfer.items.length; 22 for(var i = 0; i != dataTypes.length; i++) 23 {event.dataTransfer.setData(dataTypes[i], data[i]);} 24 for(var i = 0; i != dataTypes.length; i++) 25 {event.dataTransfer.clearData(dataTypes[i]);} 26 say('items.length (dragstart) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL'));} 27 function dragElement(event) 28 {for(var i = 0; i != dataTypes.length; i++) 29 {event.dataTransfer.setData(dataTypes[i], 'FAIL'); 30 if(event.dataTransfer.getData(dataTypes[i])) 31 {say('getData(' + dataTypes[i] + ') : FAIL (data store should not be readable during drag)')} 32 } 33 if(event.dataTransfer.items.length > l) 34 {say('items.length (dragover) : FAIL' + event.dataTransfer.items.length)} 35 } 36 function enterElement(event) 37 {event.preventDefault(); 38 for(var i = 0; i != dataTypes.length; i++) 39 {event.dataTransfer.setData(dataTypes[i], 'FAIL'); 40 if(event.dataTransfer.getData(dataTypes[i])) 41 {say('getData(' + dataTypes[i] + ') : FAIL (data store should not be readable during dragenter)')} 42 } 43 say('items.length (dragenter) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL'));} 44 function dataDrop(event) 45 {say('items.length (drop) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL')); 46 for(var i = 0; i != dataTypes.length; i++) 47 {say('getData(' + dataTypes[i] + ') : ' + ((event.dataTransfer.getData(dataTypes[i]) == '')?'PASS':'FAIL'));} 48 document.querySelector('p + div').setAttribute('style','background-color:green');} 49 function say(it) 50 {document.querySelector('pre').appendChild(document.createTextNode(it + '\n'));} 51 ]]> 52 </script> 53 </head> 54 <body> 55 <div draggable="true" ondragstart="start(event)" ondrag="dragElement(event)"/> 56 <p>Drag green box above to the navy box below and drop it. Navy box should turn green and test results should appear below.</p> 57 <div ondragenter="enterElement(event)" ondragover="return false;" ondrop="dataDrop(event)"/> 58 <pre/> 59 </body> 60 </html>