Re: [jdt-ui-dev] Urgent: Java Source Code Manipulation

[Nima Bahramifarid <nbfarid@xxxxxxxxxxxxxxxxxxx>]

Greatly appreciate your help :-)

Sten-Erik Bergner wrote:

> You might want to try something like
>
> 1    ICompilationUnit originalUnit = type.getCompilationUnit();
> 2    WorkingCopyOwner owner = DefaultWorkingCopyOwner.PRIMARY;
>
> If you're wondering about the 'type' variable, I've solved it like this in a
> view that I implemented:
>
> IType type = findInitialInputByJavaEditor();
>
> where
>
> protected IType findInitialInputByJavaEditor () {
> 	IEditorPart editor =
> 		(IEditorPart)getSite().getPage().getActiveEditor();
> 	if (! (editor instanceof JavaEditor)) return null;
> 	IType answer = null;
> 	try {
> 		IType[] types =
> ((ICompilationUnit)((JavaEditor)editor).getViewPartInput()).getTypes();
> 		answer = types.length == 1 ? types[0] : null;}
> 	catch (Exception e) {/* Never mind */}
> 	return answer;}
>
> Another thing is that I'm not sure about the getWorkingCopy(...) part in
> your sample code. As of 3.0 I have to use findWorkingCopy and I get the
> impression that the documentation is not up to date. 
>
> Please note that I'm not an inside JDT developer and it would be great if
> someone who is would care to comment and perhaps set us straight.
>
> Sten-Erik Bergner
> se.bergner@xxxxxxxxxx
>
>
> -----Original Message-----
> Date: Thu, 09 Sep 2004 15:13:03 -0400 (EDT)
> From: Nima Bahrami Farid <nbfarid@xxxxxxxxxxxxxxxxxxx>
> To: jdt-ui-dev@xxxxxxxxxxx
> Subject: [jdt-ui-dev] Urgent: Java Source Code Manipulation
> Reply-To: jdt-ui-dev@xxxxxxxxxxx
>
> Hi,
> I have extended the JDT by adding a view to it. This view has a list. 
> When a member of this list is double clicked, I want to add some source 
> code to the currently open Java file in the editor. How do I do this?
>
> As I understand it, I need to get a hold of the workingCopy of the 
> ICompilationUnit. But I don't know how to grab it. I know the rest (ie. 
> .getBuffer(), .append(), .commitWorkingCopy and .discardWorkingCopy()). 
> but how do I get the ICompilationUnit in the first place. The following 
> is the code from Eclipse documentation:
>
> /////////////////////////
> // Get original compilation unit
>    ICompilationUnit originalUnit = ...;
>    
>    // Get working copy owner
>    WorkingCopyOwner owner = ...;
>    
>    // Create working copy
>    ICompilationUnit workingCopy = originalUnit.getWorkingCopy(owner, 
> null,     null);
>    
>    // Modify buffer and reconcile
>    IBuffer buffer = ((IOpenable)workingCopy).getBuffer();
>    buffer.append("class X {}");
>    workingCopy.reconcile(NO_AST, false, null, null);
>    
>    // Commit changes
>    workingCopy.commitWorkingCopy(false, null);
>    
>    // Destroy working copy
>    workingCopy.discardWorkingCopy();
>
> /////////////////////////
>
> What I can't figure out are the first two lines:
>
> 1    ICompilationUnit originalUnit = ...;
> 2    WorkingCopyOwner owner = ...;
>
> What am I supposed to put in for the dots?
>
> Thank you so much, 
> I need the answer ASAP. thank you
>
>
>
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