046.xhtml (8322B)
1 <?xml version="1.0" encoding="utf-8"?> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>dataTransfer.types during canvas 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/plain', 'text/uri-list', 'application/xml', 'application/xhtml+xml', 'application/mathml+xml', 'image/svg+xml', 'text/html', 'text/x-example'], 15 data = ['PASS', 'data:text/plain,1', '<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.items.clear(); 19 event.dataTransfer.effectAllowed = 'copy'; 20 for(var i = 0; i != dataTypes.length; i++) 21 {event.dataTransfer.items.add(data[i],dataTypes[i])} 22 if(event.dataTransfer.items.length != dataTypes.length) 23 {say('items.length (ondragstart) : FAIL (items.length should be' + dataTypes.length + ')')} 24 if(event.dataTransfer.types.length != dataTypes.length) 25 {say('types.length (ondragstart) : FAIL (items.length should be' + dataTypes.length + ')')} 26 for(var i = 0; i != dataTypes.length; i++) 27 {if(event.dataTransfer.getData(dataTypes[i]) != data[i]) 28 {say('getData (ondragstart): FAIL (getData(' + dataTypes[i] + ') returns wrong data)')} 29 if(event.dataTransfer.types[i] != dataTypes[i]) 30 {say('Types (ondragstart): FAIL (dataTransfer.types[' + i + '] returns wrong value)')} 31 } 32 for(var i = 0; i != event.dataTransfer.items.length; i++) 33 {if(event.dataTransfer.items[i].kind != 'string') 34 {say('Item kind (ondragstart): FAIL (items[' + i + '].kind should be string)')} 35 if(event.dataTransfer.items[i].type != dataTypes[i]) 36 {say('Item type (ondragstart): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 37 event.dataTransfer.items[i].getAsString( 38 function () 39 {if(arguments[0] != data[e++]) 40 {say('getAsString : FAIL (items[' + i + '].getAsString should pass' + data[e] + ')')} 41 } 42 ); 43 } 44 } 45 function dragElement(event) 46 {event.dataTransfer.items.clear(); 47 if(event.dataTransfer.items.length != dataTypes.length) 48 {say('items.length (ondrag) : FAIL (items.length should be' + dataTypes.length + ')')} 49 if(event.dataTransfer.types.length != dataTypes.length) 50 {say('types.length (ondrag) : FAIL (items.length should be' + dataTypes.length + ')')} 51 for(var i = 0; i != dataTypes.length; i++) 52 {if(event.dataTransfer.types[i] != dataTypes[i]) 53 {say('Types (ondrag): FAIL (dataTransfer.types[' + i + '] returns wrong value)')} 54 } 55 for(var i = 0; i != event.dataTransfer.items.length; i++) 56 {if(event.dataTransfer.items[i].kind != 'string') 57 {say('Item kind (ondrag): FAIL (items[' + i + '].kind should be string)')} 58 if(event.dataTransfer.items[i].type != dataTypes[i]) 59 {say('Item type (ondrag): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 60 event.dataTransfer.items[i].getAsString( 61 function () 62 {if(arguments[0]) 63 {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to drag event handler)')} 64 } 65 ); 66 } 67 } 68 function enterElement(event) 69 {event.preventDefault(); 70 event.dataTransfer.items.clear(); 71 if(event.dataTransfer.items.length != dataTypes.length) 72 {say('items.length (ondragenter) : FAIL (items.length should be' + dataTypes.length + ')')} 73 if(event.dataTransfer.types.length != dataTypes.length) 74 {say('types.length (ondragenter) : FAIL (items.length should be' + dataTypes.length + ')')} 75 for(var i = 0; i != dataTypes.length; i++) 76 {if(event.dataTransfer.types[i] != dataTypes[i]) 77 {say('Types (ondragenter): FAIL (dataTransfer.types[' + i + '] returns wrong value)')} 78 } 79 for(var i = 0; i != event.dataTransfer.items.length; i++) 80 {delete event.dataTransfer.items[i]; 81 if(event.dataTransfer.items[i].kind != 'string') 82 {say('Item kind (ondragenter): FAIL (items[' + i + '].kind should be string)')} 83 if(event.dataTransfer.items[i].type != dataTypes[i]) 84 {say('Item type (ondragenter): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 85 event.dataTransfer.items[i].getAsString( 86 function () 87 {if(arguments[0]) 88 {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to drag event handler)')} 89 } 90 ); 91 } 92 } 93 function overElement(event) 94 {event.preventDefault(); 95 event.dataTransfer.items.clear(); 96 if(event.dataTransfer.items.length != dataTypes.length) 97 {say('items.length (ondragover) : FAIL (items.length should be' + dataTypes.length + ')')} 98 if(event.dataTransfer.types.length != dataTypes.length) 99 {say('types.length (ondragover) : FAIL (items.length should be' + dataTypes.length + ')')} 100 for(var i = 0; i != dataTypes.length; i++) 101 {if(event.dataTransfer.types[i] != dataTypes[i]) 102 {say('Types (ondragover): FAIL (dataTransfer.types[' + i + '] returns wrong value)')} 103 } 104 for(var i = 0; i != event.dataTransfer.items.length; i++) 105 {if(event.dataTransfer.items[i].kind != 'string') 106 {say('Item kind (ondragover): FAIL (items[' + i + '].kind should be string)')} 107 if(event.dataTransfer.items[i].type != dataTypes[i]) 108 {say('Item type (ondragover): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 109 event.dataTransfer.items[i].getAsString( 110 function () 111 {if(arguments[0]) 112 {say('getAsString : FAIL (items[' + i + '].getAsString should not reveal data to dragover event handler)')} 113 } 114 ); 115 } 116 } 117 function dataDrop(event) 118 {e = 0; 119 event.dataTransfer.items.clear(); 120 if(event.dataTransfer.items.length != dataTypes.length) 121 {say('items.length (ondrop) : FAIL (items.length should be' + dataTypes.length + ')')} 122 if(event.dataTransfer.types.length != dataTypes.length) 123 {say('types.length (ondrop) : FAIL (items.length should be' + dataTypes.length + ')')} 124 for(var i = 0; i != dataTypes.length; i++) 125 {if(event.dataTransfer.types[i] != dataTypes[i]) 126 {say('Types (ondrop): FAIL (dataTransfer.types[' + i + '] returns wrong value)')} 127 if(event.dataTransfer.getData(dataTypes[i]) != data[i]) 128 {say('getData (ondrop): FAIL (getData(' + dataTypes[i] + ') returns wrong data)')} 129 } 130 for(var i = 0; i != event.dataTransfer.items.length; i++) 131 {delete event.dataTransfer.items[i]; 132 if(event.dataTransfer.items[i].kind != 'string') 133 {say('Item kind (ondrop): FAIL (items[' + i + '].kind should be string)')} 134 if(event.dataTransfer.items[i].type != dataTypes[i]) 135 {say('Item type (ondrop): FAIL (items[' + i + '].type should be' + dataTypes[i] + ')')} 136 event.dataTransfer.items[i].getAsString( 137 function () 138 {if(arguments[0] != data[e++]) 139 {say('getAsString : FAIL (items[' + i + '].getAsString should pass' + data[e] + ')')} 140 } 141 ); 142 } 143 document.querySelector('div').setAttribute('style','background-color:' + (result?'green':'red'));} 144 function say(it) 145 {result = false; 146 document.querySelector('pre').appendChild(document.createTextNode(it + '\n'));} 147 ]]> 148 </script> 149 </head> 150 <body> 151 <p> 152 <canvas width="100" height="100" draggable="true" ondragstart="start(event)" ondrag="dragElement(event)">Canvas</canvas> 153 </p> 154 <p>Drag canvas pattern to the silver box below and drop it. Silver box should turn green.</p> 155 <div ondragenter="enterElement(event)" ondragover="overElement(event)" ondrop="dataDrop(event)"/> 156 <pre/> 157 <script type="application/ecmascript"> 158 var canvas = document.querySelector('canvas'), 159 c = canvas.getContext('2d'); 160 for(var x = 0; x != 50; x++) 161 {c.fillStyle = (x%2 == 0)?'navy':'white'; 162 c.beginPath(); 163 c.moveTo(x,x); 164 c.lineTo(100-x,x); 165 c.lineTo(100-x,100-x); 166 c.lineTo(x,100-x); 167 c.closePath(); 168 c.fill();} 169 data[1] = canvas.toDataURL('image/png'); 170 </script> 171 </body> 172 </html>