Created
February 26, 2011 19:38
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta http-equiv="X-UA-Compatible" content="IE=Edge;chrome=1" /> | |
| <style type="text/css"> | |
| body {padding:0;margin:0;} | |
| #codearea { | |
| width: 80%; | |
| border-radius: 10px; | |
| padding:25px; | |
| margin:25px auto; | |
| background-color:#FAFAFA; | |
| border: 1px solid #ccc; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <pre id="codearea" contenteditable>Drag source file here</pre> | |
| </body> | |
| </html> |
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| function codeView(obj) { | |
| function onDragEnter(e) { | |
| e.stopPropagation(); | |
| e.preventDefault(); | |
| } | |
| function onDragOver(e) { | |
| e.stopPropagation(); | |
| e.preventDefault(); | |
| } | |
| function onDragLeave(e) { | |
| e.stopPropagation(); | |
| e.preventDefault(); | |
| } | |
| function onDrop(e) { | |
| e.stopPropagation(); | |
| e.preventDefault(); | |
| var file = e.dataTransfer.files[0]; | |
| var start = 0; | |
| var stop = file.size - 1; | |
| var reader = new FileReader(); | |
| var length = (stop - start) + 1; | |
| var blob = file.webkitSlice(start, length); | |
| reader.readAsBinaryString(blob); | |
| reader.onloadend = function(evt) { | |
| if (evt.target.readyState == FileReader.DONE) { | |
| var code = evt.target.result; | |
| obj.innerHTML = code.replace(/</g,"<").replace(/>/g,">"); | |
| } | |
| }; | |
| } | |
| obj.addEventListener('dragenter', onDragEnter, false); | |
| obj.addEventListener('dragover', onDragOver, false); | |
| obj.addEventListener('dragleave', onDragLeave, false); | |
| obj.addEventListener('drop', onDrop, false); | |
| } | |
| codeView(document.getElementById("codearea")); |
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it seems to work better if on line 26 you replace
file.slicewithfile.webkitSlice... right now it only seems to work with Chrome