private void doPasteXbaseCode(XbaseClipboardData xbaseClipboardData, boolean withImports) {
	IRewriteTarget target = Adapters.adapt(getTextEditor(), IRewriteTarget.class);
	if (target != null) {
		target.beginCompoundChange();
	}
	try {
		textOperationTarget.doOperation(operationCode);
		if (withImports) {
			importsUtil.addImports(xbaseClipboardData.getImports(), xbaseClipboardData.getStaticImports(),
					xbaseClipboardData.getExtensionImports(), getXtextDocument());
		}
	} catch (Exception e) {
		XbaseActivator.getInstance().getLog().log(new Status(IStatus.ERROR,
				XbaseActivator.getInstance().getBundle().getSymbolicName(), "Unexpected internal error: ", e));
	} finally {
		if (target != null) {
			target.endCompoundChange();
		}
	}
}
 

private void doPasteJavaCode(String textFromClipboard, JavaImportData javaImportsContent, boolean withImports) {
	IRewriteTarget target = Adapters.adapt(getTextEditor(), IRewriteTarget.class);
	if (target != null) {
		target.beginCompoundChange();
	}
	try {
		textOperationTarget.doOperation(operationCode);
		if (withImports) {
			importsUtil.addImports(javaImportsContent.getImports(), javaImportsContent.getStaticImports(),
					new String[] {}, getXtextDocument());
		}
	} catch (Exception e) {
		XbaseActivator.getInstance().getLog().log(new Status(IStatus.ERROR,
				XbaseActivator.getInstance().getBundle().getSymbolicName(), "Unexpected internal error: ", e));
	} finally {
		if (target != null) {
			target.endCompoundChange();
		}
	}
}
 

@Override
public void doOperation(int operation) {
	if (operation == ITextOperationTarget.PASTE && isAutoFormattingEnable()) {
		final IRewriteTarget target = getRewriteTarget();
		target.beginCompoundChange();
		final IDocumentAutoFormatter formatter = getDocumentAutoFormatter();
		formatter.beginAutoFormat();
		try {
			super.doOperation(operation);
		} finally {
			formatter.endAutoFormat();
			target.endCompoundChange();
		}
	} else {
		super.doOperation(operation);
	}
}
 

@Override
protected boolean doExecuteResult(ITextEditor editor, Object minibufferResult) {
	// use widget to avoid unpleasant scrolling side effects of IRewriteTarget
	Control widget = getTextWidget(editor);
	// wrap in compound change and no redraw
	IRewriteTarget rt = (IRewriteTarget) editor.getAdapter(IRewriteTarget.class);
	try {
		if (rt != null) {
			rt.beginCompoundChange();
		}
		widget.setRedraw(false);
		int offset = rs.updateRectangle(editor, document, selection, (String)minibufferResult, isReplace(),false);
		if (offset > 0) {
			selectAndReveal(editor, offset, offset);
		}
	} finally  {
		if (rt != null) {
			rt.endCompoundChange();
		}
		widget.setRedraw(true);
	}
	return true;
}
 

/**
 * Ends the compound change.
 */
private void beginCompoundEdit() {
	ITextViewer viewer= getTextViewer();
	if (fEditInProgress || viewer == null || !(viewer instanceof ITextViewerExtension))
		return;

	fEditInProgress= true;

	fStrategy.arm(viewer);

	IRewriteTarget target= ((ITextViewerExtension) viewer).getRewriteTarget();
	if (target != null) {
		target.beginCompoundChange();
	}
}
 

/**
 * Ends the compound change.
 */
private void endCompoundEdit() {
	ITextViewer viewer= getTextViewer();
	if (!fEditInProgress || viewer == null || !(viewer instanceof ITextViewerExtension))
		return;

	IRewriteTarget target= ((ITextViewerExtension) viewer).getRewriteTarget();
	if (target != null) {
		target.endCompoundChange();
	}

	fEditInProgress= false;
}
 

public String getEditorContents(final IJavaElement javaElement) {
  try {
    final IEditorPart editor = JavaUI.openInEditor(javaElement);
    final Object adapter = editor.<IRewriteTarget>getAdapter(IRewriteTarget.class);
    final String text = ((IRewriteTarget) adapter).getDocument().get();
    this.helper.closeEditor(editor, false);
    return text;
  } catch (Throwable _e) {
    throw Exceptions.sneakyThrow(_e);
  }
}
 

/**
 * Ends the compound change.
 */
public void beginCompoundEdit() {
	if (fEditInProgress || fEditor == null)
		return;

	fEditInProgress= true;

	fExitStrategy.arm(fEditor.getViewer());

	IRewriteTarget target= (IRewriteTarget)fEditor.getAdapter(IRewriteTarget.class);
	if (target != null) {
		target.beginCompoundChange();
	}
}
 

/**
 * Ends the compound change.
 */
public void endCompoundEdit() {
	if (!fEditInProgress || fEditor == null)
		return;

	fExitStrategy.disarm();

	IRewriteTarget target= (IRewriteTarget)fEditor.getAdapter(IRewriteTarget.class);
	if (target != null) {
		target.endCompoundChange();
	}

	fResult= null;
	fEditInProgress= false;
}
 

private void doPasteWithImportsOperation() {
	ITextEditor editor= getTextEditor();
	IJavaElement inputElement= JavaUI.getEditorInputTypeRoot(editor.getEditorInput());

	Clipboard clipboard= new Clipboard(getDisplay());
	try {
		ClipboardData importsData= (ClipboardData)clipboard.getContents(fgTransferInstance);
		if (importsData != null && inputElement instanceof ICompilationUnit && !importsData.isFromSame(inputElement)) {
			// combine operation and adding of imports
			IRewriteTarget target= (IRewriteTarget)editor.getAdapter(IRewriteTarget.class);
			if (target != null) {
				target.beginCompoundChange();
			}
			try {
				fOperationTarget.doOperation(fOperationCode);
				addImports((ICompilationUnit)inputElement, importsData);
			} catch (CoreException e) {
				JavaPlugin.log(e);
			} finally {
				if (target != null) {
					target.endCompoundChange();
				}
			}
		} else {
			fOperationTarget.doOperation(fOperationCode);
		}
	} finally {
		clipboard.dispose();
	}
}
 

private void endCompoundChange(ITextViewer viewer) {
	if (viewer instanceof ITextViewerExtension) {
		ITextViewerExtension extension= (ITextViewerExtension) viewer;
		IRewriteTarget target= extension.getRewriteTarget();
		target.endCompoundChange();
	}
}
 

private void beginCompoundChange(ITextViewer viewer) {
	if (viewer instanceof ITextViewerExtension) {
		ITextViewerExtension extension= (ITextViewerExtension) viewer;
		IRewriteTarget target= extension.getRewriteTarget();
		target.beginCompoundChange();
	}
}
 

private void setRedraw(ITextViewer viewer, boolean redraw) {
if (viewer instanceof ITextViewerExtension) {
	ITextViewerExtension extension= (ITextViewerExtension) viewer;
	IRewriteTarget target= extension.getRewriteTarget();
	target.setRedraw(redraw);
}
  }
 

/**
 * Get the undo Runnable wrappers
 * 
 * @param editor
 * @return begin and end undoProtect wrappers
 */
protected Runnable[] undoProtect(ITextEditor editor, final MacroCount keepCount) {
	Runnable[] result = new Runnable[2];
	// use widget to avoid unpleasant scrolling side effects of IRewriteTarget
	final Control widget = getTextWidget(editor);;
	final IRewriteTarget rt = (IRewriteTarget) editor.getAdapter(IRewriteTarget.class);;
	result[0] = new Runnable() {
		public void run() {
			if (rt != null) {
				rt.beginCompoundChange();
			}
			setRedraw(widget,false);
		}
	};
	result[1] = new Runnable() {
		public void run() {
			setRedraw(widget, true);
			if (rt != null) {
				rt.endCompoundChange();
			}
			if (!isInterrupted() && keepCount != null) {
				// we've finished one more loop of the main macro
				keepCount.addCounter();
			}
		}
	};
	return result;
}
 

/**
 * @see com.mulgasoft.emacsplus.minibuffer.IMinibufferExecutable#executeResult(org.eclipse.ui.texteditor.ITextEditor, java.lang.Object)
 */
public boolean doExecuteResult(ITextEditor editor, Object minibufferResult) {
	
	if (minibufferResult != null && ((String)minibufferResult).length() > 0) {
		String key = (String)minibufferResult;
		ITextSelection selection = getImpliedSelection(editor, getCurrentSelection(editor));
		IDocument document = getThisDocument(editor);
		// if called with ^U, then delete text as well
		boolean delete = isEditable() && getCallCount() > 1;
		String[] rect;
		// use widget to avoid unpleasant scrolling side effects of IRewriteTarget			
		Control widget = getTextWidget(editor);
		IRewriteTarget rt = (IRewriteTarget) editor.getAdapter(IRewriteTarget.class);
		try {
			if (delete) {
				// wrap in compound change and no redraw
				widget.setRedraw(false);
				if (rt != null) {
					rt.beginCompoundChange();
				}
			}
			rect = new RectangleSupport(document,editor).copyRectangle(editor, document, selection, delete);
			if (rect != null && rect.length > 0) {
				TecoRegister.getInstance().put(key,rect);
				showResultMessage(editor, String.format(COPIED, key), false);
			}
		} catch (BadLocationException e) {
			showResultMessage(editor, BAD_INSERT_LOCATION, true);
		} finally  {
			if (rt != null) {
				rt.endCompoundChange();
			}
			widget.setRedraw(true);
		}
	} else {
		showResultMessage(editor, NO_REGISTER, true);
	}
	return true;
}
 

public IRewriteTarget getRewriteTarget() {
    return viewer.getRewriteTarget();
}