mirror of
https://github.com/servo/servo
synced 2026-04-29 10:57:43 +02:00
35 lines
1.0 KiB
HTML
35 lines
1.0 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Drag and drop from iframe: dropping block element onto canvas</title>
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<style type="text/css">
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iframe
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{width:150px;
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height:150px;
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border-style:none;}
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</style>
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<script type="application/ecmascript">
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function paint(color)
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{var canvas = document.querySelector('canvas'),
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c = canvas.getContext('2d');
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c.fillStyle = color;
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c.beginPath();
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c.moveTo(0,0);
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c.lineTo(100,0);
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c.lineTo(100,100);
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c.lineTo(0,100);
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c.closePath();
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c.fill();}
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function start(event)
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{event.dataTransfer.effectAllowed = 'copy';
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event.dataTransfer.setData('text/plain', 'green');}
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</script>
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</head>
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<body onload="paint('gray')">
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<p><iframe src="003-1.xhtml">Green box</iframe></p>
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<p>Drag green box above to the gray canvas below. Canvas should turn green when you drop green box on it.</p>
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<p>
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<canvas width="100" height="100" ondragenter="event.preventDefault()" ondragover="return false" ondrop="paint(event.dataTransfer.getData('text/plain'))">Canvas</canvas>
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</p>
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</body>
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</html> |