/*******************************************************************************
* Copyright (c) 2011, 2012 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Martin Schwab & Thomas Kallenberg - initial API and implementation
* Sergey Prigogin (Google)
******************************************************************************/
package org.eclipse.cdt.internal.ui.refactoring.togglefunction;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.TextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.ui.CUIPlugin;
/**
* Represents the interface between the user who invokes the action and the
* actual refactoring mechanism. Starts the ToggleRefactoringRunner.
*
* Order of execution is: constructor, init, selectionChanged, run
*/
public class TogglingActionDelegate implements IWorkbenchWindowActionDelegate {
private IWorkbenchWindow window;
private TextSelection selection;
@Override
public void init(IWorkbenchWindow window) {
this.window = window;
assert (window != null);
}
@Override
public void selectionChanged(IAction action, ISelection selection) {
boolean isTextSelection = selection != null && selection instanceof TextSelection;
action.setEnabled(isTextSelection);
if (!isTextSelection)
return;
// Get our own selection due to (a possible) bug?
this.selection = (TextSelection) CUIPlugin.getActivePage().getActiveEditor().getEditorSite().getSelectionProvider().getSelection();
}
@Override
public void run(IAction action) {
IWorkbenchPage activePage = window.getActivePage();
if (activePage == null)
return;
IEditorPart editor = activePage.getActiveEditor();
if (editor == null || editor.getEditorInput() == null)
return;
ITranslationUnit tu =
CUIPlugin.getDefault().getWorkingCopyManager().getWorkingCopy(editor.getEditorInput());
if (tu == null || tu.getResource() == null)
return;
new ToggleRefactoringRunner(tu, selection, window, tu.getCProject()).run();
}
@Override
public void dispose() {
}
}