040.xhtml (6871B)
1 <?xml version="1.0" encoding="utf-8"?> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>dataTransfer.items and getData during SVG image 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:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20version%3D%221.1%22%20width%3D%22100px%22%20height%3D%22100px%22%20viewBox%3D%220%200%20100%20100%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22green%22/%3E%3C/svg%3E', 'PASS', '<result>PASS</result>', '<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Data store item</title></head><body><p>PASS</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">PASS</text></svg>', '<!DOCTYPE html><html><head><title>Data store item</title></head><body><p>PASS</p></body></html>', 'PASS'], 16 e = 0, result = true; 17 function start(event) 18 {event.dataTransfer.effectAllowed = 'copy'; 19 for(var i = event.dataTransfer.items.length; i != 0; i--) 20 {delete event.dataTransfer.items[i-1]} 21 for(var i = 0; i != dataTypes.length; i++) 22 {event.dataTransfer.items.add(data[i],dataTypes[i])} 23 if(event.dataTransfer.items.length != dataTypes.length) 24 {say('items.length (ondragstart) : FAIL (items.length should be' + dataTypes.length + ')')} 25 for(var i = 0; i != dataTypes.length; i++) 26 {if(event.dataTransfer.getData(dataTypes[i]) != data[i]) 27 {say('getData (ondragstart): FAIL (getData(' + dataTypes[i] + ') returns wrong data)')} 28 } 29 for(var i = 0; i != event.dataTransfer.items.length; i++) 30 {if(event.dataTransfer.items[i].kind != 'string') 31 {say('Item kind (ondragstart): FAIL (items[' + i + '].kind should be string)')} 32 if(event.dataTransfer.items[i].type != dataTypes[i]) 33 {say('Item type (ondragstart): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 34 event.dataTransfer.items[i].getAsString( 35 function () 36 {if(arguments[0] != data[e++]) 37 {say('getAsString : FAIL (items[' + i + '].getAsString should pass' + data[e] + ')')} 38 } 39 ); 40 } 41 } 42 function dragElement(event) 43 {event.dataTransfer.items.clear(); 44 if(event.dataTransfer.items.length != dataTypes.length) 45 {say('items.length (ondrag) : FAIL (items.length should be' + dataTypes.length + ')')} 46 for(var i = 0; i != event.dataTransfer.items.length; i++) 47 {if(event.dataTransfer.items[i].kind != 'string') 48 {say('Item kind (ondrag): FAIL (items[' + i + '].kind should be string)')} 49 if(event.dataTransfer.items[i].type != dataTypes[i]) 50 {say('Item type (ondrag): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 51 event.dataTransfer.items[i].getAsString( 52 function () 53 {if(arguments[0]) 54 {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to drag event handler)')} 55 } 56 ); 57 } 58 } 59 function enterElement(event) 60 {event.preventDefault(); 61 event.dataTransfer.items.clear(); 62 if(event.dataTransfer.items.length != dataTypes.length) 63 {say('items.length (ondragenter) : FAIL (items.length should be' + dataTypes.length + ')')} 64 for(var i = 0; i != event.dataTransfer.items.length; i++) 65 {delete event.dataTransfer.items[i]; 66 if(event.dataTransfer.items[i].kind != 'string') 67 {say('Item kind (ondragenter): FAIL (items[' + i + '].kind should be string)')} 68 if(event.dataTransfer.items[i].type != dataTypes[i]) 69 {say('Item type (ondragenter): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 70 event.dataTransfer.items[i].getAsString( 71 function () 72 {if(arguments[0]) 73 {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to drag event handler)')} 74 } 75 ); 76 } 77 } 78 function overElement(event) 79 {event.preventDefault(); 80 event.dataTransfer.items.clear(); 81 if(event.dataTransfer.items.length != dataTypes.length) 82 {say('items.length (ondragover) : FAIL (items.length should be' + dataTypes.length + ')')} 83 for(var i = 0; i != event.dataTransfer.items.length; i++) 84 {if(event.dataTransfer.items[i].kind != 'string') 85 {say('Item kind (ondragover): FAIL (items[' + i + '].kind should be string)')} 86 if(event.dataTransfer.items[i].type != dataTypes[i]) 87 {say('Item type (ondragover): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 88 event.dataTransfer.items[i].getAsString( 89 function () 90 {if(arguments[0]) 91 {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to dragover event handler)')} 92 } 93 ); 94 } 95 } 96 function dataDrop(event) 97 {e = 0; 98 event.dataTransfer.items.clear(); 99 if(event.dataTransfer.items.length != dataTypes.length) 100 {say('items.length (ondrop) : FAIL (items.length should be' + dataTypes.length + ')')} 101 for(var i = 0; i != dataTypes.length; i++) 102 {if(event.dataTransfer.getData(dataTypes[i]) != data[i]) 103 {say('getData (ondrop): FAIL (getData(' + dataTypes[i] + ') returns wrong data)')} 104 } 105 for(var i = 0; i != event.dataTransfer.items.length; i++) 106 {delete event.dataTransfer.items[i]; 107 if(event.dataTransfer.items[i].kind != 'string') 108 {say('Item kind (ondrop): FAIL (items[' + i + '].kind should be string)')} 109 if(event.dataTransfer.items[i].type != dataTypes[i]) 110 {say('Item type (ondrop): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 111 event.dataTransfer.items[i].getAsString( 112 function () 113 {if(arguments[0] != data[e++]) 114 {say('getAsString : FAIL (items[' + i + '].getAsString should pass' + data[e] + ')')} 115 } 116 ); 117 } 118 document.querySelector('div').setAttribute('style','background-color:' + (result?'green':'red'));} 119 function say(it) 120 {result = false; 121 document.querySelector('pre').appendChild(document.createTextNode(it + '\n'));} 122 ]]> 123 </script> 124 </head> 125 <body> 126 <p><img ondragstart="start(event)" ondrag="dragElement(event)" src="data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20version%3D%221.1%22%20width%3D%22100px%22%20height%3D%22100px%22%20viewBox%3D%220%200%20100%20100%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22green%22/%3E%3C/svg%3E" alt="SVG circle"/></p> 127 <p>Drag circle above to the silver box below and drop it. Silver box should turn green.</p> 128 <div ondragenter="enterElement(event)" ondragover="overElement(event)" ondrop="dataDrop(event)"/> 129 <pre/> 130 </body> 131 </html>