[kepler-dev] [Bug 4112] make kepler use OSX dialog boxes

[bugzilla-daemon at ecoinformatics.org]

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=4112

--- Comment #9 from Christopher Brooks <cxh at eecs.berkeley.edu> 2012-06-27 10:44:51 PDT ---
Dan writes:
> When saving, JFileChooser does not ask to overwrite existing files, but
> FileDialog does. It would be nice if PtFileChooser.showDialog would ask when
> using JFileChooser.

I'm a little nervous about modifying PtFileChooser.showDialog() to check
to see if the file exists because showDialog() can be called to open
a file as well as save a file.

Also, we would need to update the places where we call showDialog() so that
they would not then check again to see if we want to overwrite a file.

Note that BasicGraphFrame has convoluted code like:

// The Mac OS X FileDialog will ask if we want to save before this point.
if (imageFile.exists() && !PtGUIUtilities.useFileDialog()) {
    if (!MessageHandler.yesNoQuestion("Overwrite \""
      + imageFile.getName() + "\"?")) {
       return;
    }
}

Adding new method that did the check could be useful though.
Perhaps the method could be called 
PtFileChooser.showDialog(boolean askAboutOverwrite)
or something.

Dan, do you want to give it a shot?

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