Upload/read An Xml From A Local Drive Of Any Platform?

Jan 11, 2010

I need to upload/read an xml from a local drive of any platform (linux, windows, mac) and synchronize it with my web server, which will then update my DB. Local xml file path is predefined and stored in my DB. This is part 1.Part 2, I will have to update the sync(ed) xml and replace the file on my local drive.Part 1 and part 2 will execute in sequence when the user click on a "Sync" button after logged in.Here is what I plan to use, PHP, MySQL, Javascript.What I know so far.1. Due to security reasons we cannot dynamically update the value of the input file type. So setting the known file location is not possible.I will like to know if there is anyway we can upload/read & overwrite a xml file without any middleware like adobe air that needs to be pre-installed to any of the platform to achieve what I plan to do?

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I have an html file I've built with embedded Javascript (using ActiveX) that successfully reads a file on my local hard drive when I run the html file through my web browser (IE) locally. However, when I copy the html page up to a webserver and access it through the internet, it doesn't appear to be reading the local file. I'm assuming this can't be done because of security reasons? Am I correct in that? Is there any way using Javascript/ ActiveX that you can get a webpage on the internet to access a file on the visitor's local drive?

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We have a directory of files on our ftp server. Is there a javacript to
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and on the server? Files that have been changed or added need to be
copied across from the ftp server to the local drive.

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if its possible to read xml files locally from an html page using javascript without using any local server?

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Feb 28, 2010

I have a form like this:

Code:

<input type="text" id="forename" />
<input type="text" id="surname" />
<input type="file" id="myfile" />

The first two fields obviously contain text data, and the last is a file upload field.I can get the values of the first two fields in JavaScript easily by using:

Code:

var forename = document.getElementById("forename").value;
var surname = document.getElementById("forename").value;

But I don't have a clue how to get the contents of the file uploaded.

If I use:

Code:

var myfile = document.getElementById("myfile").value;

That simply returns the filename of the file, but I want the actual data in the file!Now I realise that the data probably isn't even accessed from the users hd until the form is submitted properly and sent to a server-side script (which I'm not doing), so I probably need a hackish method to make the browser send the contents to the JS function rather than as an extra 'package' to the server.

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Oct 14, 2005

I have a web page (offline) that accesses the user's CD drive to play an audio file on a CD. It uses this routine:

<OBJECT id=player1 height=64 width=160 classid=CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6>OBJECT>
</font><script type="text/javascript">
document.getElementById("player1").uiMode="full";
document.getElementById("player1").settings.autoStart=false;
document.getElementById("player1").settings.volume=50;
player1.URL=src="file:///"+YouWrote+":/Track01.cda";
</script>

That variable "YouWrote" (the CD Drive letter) is set by a cookie on the page - defaults to "D", but the user can change this, refresh the page, and access the audio in the correctly referenced drive.

Works well - if the page is resident in memory and refreshed if necessary.

My problem is if I put this page on a CD - that is, I want the page to load up from the CD drive - and there's only one drive - it doesn't work.

I can't seem to get the user to be able to choose the drive letter by setting the cookie (or even go with the default), then refresh the page, switch the CD with the Audio CD, and get Windows Media Player to find and play the Track01.cda file.

It chokes because the player says it can't play files with this extension. But it is obviously still thinking about the html file it loaded.

How do I disconnect the knowledge of the loadup CD in Windows Media Player's mind (assuming anything Windows has a mind)? Is there some obvious logical procedure I should follow and/or for the js script?

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Jun 12, 2003

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Down below I attach the scripts from each menu.

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OK, I think I found the perfect cross platform solution for centered popup windows. I found it on the site of Panic.com, I hope Cabel won't mind ;-)

The trick for all problems is to have a JavaScript that distinguishes between different platforms.

Here's the sample page which will bring up - upon click on a link - a pop up of 500 by 300 pixels. I used as link www.apple.com -- just an example.

To have scroll bars, resizability, etc work, simply change the digit "0" to "1" in all 3 ocurrences.

<html>
<head>

<script type="text/javascript" language="JavaScript">
<!--

// POPUP

var isNav4, isIE4, isMac;
if (parseInt(navigator.appVersion.charAt(0)) >= 4) {
isNav4 = (navigator.appName == "Netscape") ? true : false
isNav6 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 5) ? true : false
isIE4 = (navigator.appName.indexOf("Microsoft") != -1) ? true : false
isMac = (navigator.platform.indexOf("Mac") != -1) ? true : false
}


function popup(url, winWidth, winHeight) {
if (isNav4 || isIE4) {
var screenPosX,screenPosY;
screenPosX = (screen.availWidth - winWidth) / 2;
screenPosY = (screen.availHeight - winHeight) / 2;

if (isNav4 || isNav6) {
window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',screenX='+screenPosX+',screenY='+screenPosY+'' );
}

if (isIE4) {
newwin = window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+',left='+screenPosX+',top='+screenPosY+'');
}
}

else {
window.open(url, 'subwin','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0, copyhistory=0,width='+winWidth+',height='+winHeight+'');
}
}


//-->
</script>
<a href="http://www.apple.com/" onClick="popup('http://www.apple.com/',','); return false;">Click here for pop-up</a>
</body>
</html>

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May 21, 2010

Is it possible to extract information which is located in a predefined area on the screen from a java platform?

For example, there is java based platform which I can see on my screen.

This platform contains numbers/letters.

The location of these numbers/letters does not change, i.e. the script would not need to be adjusted if the field, which contains the info, would move.

Lets assume the screen would look like that:

The info between the fields would be clearly separated.

Now I would like to extract the infos from all the fields and paste the info for example in EXCEL so that I can see "Valerie12345" in .xls field A1 / 12.20 in A2 / Love in B1 etc...if that is possible to extract?

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Basically when a link is clicked, i wante the upload form to apear....and any other upload forms to disapear.

How can i put those 3 functions in 1?

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i am developing a web application in which i have to retrieve the user browser and platform information. i am using javascript to get this information and tryin to pass these values to the html hidden form element. pasting a brief code from my application.

<body>
<script>
document.mldsform.screen_width.value=screen.width;
document.mldsform.screen_height.value = screen.height;
</script>
<form id="mldsform" action="/QoEMLDS/qoe" method="post">
[Code]...

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How to find the error in the Code?

The last two codebits are just to understand the first codebit. there are no error's in them.

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<TD WIDTH=30% CLASS="clsTableElement">Select File</TD>
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I then put the html onto g: drive and find that the part that the js file controls no longer works...

All my file paths are the same and point to the right place but for some reason the js doesn't work.

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