I created the following HTML file to test your function and get the
following errors:
1) The file input element returns only the file's name, so I don't
see how your function could load the file in.
2) Under Safari 3 and later, I get a "TypeError: Result of expression
'xmlDoc.load' [undefined] is not a function." when your function
attempts to call xmlDoc.load()
3) Your function always returns null, under Firefox 3.0.8 and Safari 4
beta, presumably because it only has a file name, not the file path.
It does appear to work under Opera 9.51. [all under OS X 10.5.6]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Load File</title>
<meta http-equiv="Content-Type" content="text/html;
charset=UTF-8">
<script src="../prototype.js"></script>
<script>
function loadXMLFile(fileName) {
var xmlDoc;
// W3C compliant
if (document && document.implementation &&
document.implementation.createDocument ) {
xmlDoc = document.implementation.createDocument("","",null);
} else {
// IE model
try {
xmlDoc = new ActiveXObject('Msxml2.DOMDocument');
} catch( e){}
}
if (xmlDoc) {
xmlDoc.async = false;
try {
var loadOK = xmlDoc.load(fileName);
} catch(e) {
alert(e);
}
}
return loadOK? xmlDoc : null;
}
function doLoadFile() {
var doc = loadXMLFile($F($("fileName")));
alert(doc);
}
</script>
</head>
<body>
<h1>Load File</h1>
<input type="button" value="Load" name="load" onclick='doLoadFile
()' />
<input type="file" id='fileName' name="fileName" value=""
width="50" />
</body>
</html>
RobG wrote:
> On Apr 14, 3:11 pm, Doug Reeder <reeder...@gmail.com> wrote:
> > I'd like to allow the user to select a file from his/her filesystem,
> > and process it locally. Due to heightened security (or at least the
> > semblance thereof) the value of a file input element is just the name
> > of the file, not the full path, in many modern browsers, so the file
> > path can't be turned into a "file:" URL that can be loaded via AJAX.
> > Is there a way to access the contents of the file using Prototype?
>
> Nothing to do with AJAX (where AJAX is a pseudonym for
> xmlHttpRequest). If it's an XML document, it can be loaded using a
> fairly simple script:
>
...
> --
> Rob
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