[platform-text-dev] EditorInput method

["Syed Rizvi" <sma_r@xxxxxxxxxxx>]

Hi there,

I know I am not suppose to be writing to this group as it is for development 
issues,but I have asked my question to the Eclipse Newsgroup and couldn't 
get an appropraite answer.I will appreciate your pointers.

I am trying to make a plugin in which two programmers can work on the same 
file from remote location.For that I have to make the editor of my peer 
readonly through a messageDialog button.
I am using javaeditor from the SWTExample for testing on my own system.

I have already used all the following methods:

protected void doSetInput(IEditorInput input) throws CoreException {
   super.doSetInput(input);
   ((IFileEditorInput)input).getFile().setReadOnly(true);
}

Can't use the above method as it can't be called from another class for
some reason.But it does the job only when I change the boolean manually .

////////////////////////

public ISourceViewer getSourceViewer()  {
  return super.getSourceViewer();
}
public void method  {
 viewer.setEditable(false);
}

SourceViewer viewer;
it is in a try catch block so I get a NullpointerException on it.As viewer 
shows up NULL.

/////////

The third method was this one that is also giving  me a
NullPointerException

IFileEditorInput input =
(IFileEditorInput)getActiveEditorPart().getEditorInput();
((IFileEditorInput)input).getFile().setReadOnly(true);


i am not sure what method to call after getEditorInput so as to get hold
of the input.As I can't debug this method.

////////////////

The Last method that is also giving me a NullPointerException is the
following:

ISourceViewer viewer = this.getMySourceViewer();
System,.out.println("viewer" + viewer); // i get NULL here
abstractTextEditor.getSourceViewer();
textviewer.setEditable(false);

all these methods are in the are one class and they are called from
another class when the user presses a button that invokes the method.

To my understanding the location of these methods do play an important role 
as most of the time these methods are either invoked before they should be 
or don't work by pressing the button.


Secondly I though I should deactivate the editor as we do by clicking on the 
view in the workbench but I couldn't find that method.

Or may be I can look for that method that takes the input to Eclipse on a 
lower level then IEditorInput,IFileEditorInput,IstorageInput and change that 
input to something that would stop it from appearing on the editor.

I wuould appreciate your help.

Syed







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