Eclipse plug-in development and Editor-related code

1,Eclipse Undo/Redo menu command labels(Edit-> undo typing)

Source code location:

org.eclipse.text.undo.DocumentUndoManager.UndoableTextChange#UndoableTextChange// location: org.eclipse.text.undo.DocumentUndoManager

 

2,Obtain idocument from workbench

IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();IEditorPart editorPart = IDE.openEditor(page, file);IDocument doc = ((ITextEditor)editorPart).getDocumentProvider().getDocument(editorPart.getEditorInput());

3,Obtain itextviewer from workbench

IEditorPart editorPart = getSite().getPage().getActiveEditor();if (editorPart != null) {    ITextOperationTarget target =            (ITextOperationTarget)editorPart.getAdapter(ITextOperationTarget.class);    if (target instanceof ITextViewer) {        ITextViewer textViewer = (ITextViewer)target;        // ...    } }

 

Note: Part of reference: http://stackoverflow.com/questions/923342/get-itextviewer-from-ieditorpart-eclipse