skeleton done!

[ifi-stolz-refaktor.git] / software / no.uio.ifi.refaktor / src / no / uio / ifi / refaktor / handlers / SearchBasedExtractAndMoveMethodChangerHandler.java

package no.uio.ifi.refaktor.handlers;

import no.uio.ifi.refaktor.change.changers.RefaktorChanger;
import no.uio.ifi.refaktor.change.changers.SearchBasedExtractAndMoveMethodChanger;
import no.uio.ifi.refaktor.change.exceptions.RefaktorChangerException;
import no.uio.ifi.refaktor.debugging.RefaktorDebug;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ITreeSelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;

public class SearchBasedExtractAndMoveMethodChangerHandler extends AbstractHandler {

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		ISelection selection = HandlerUtil.getCurrentSelectionChecked(event);
		IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);

		assert selection instanceof ITreeSelection;
		ITreeSelection treeSelection = (ITreeSelection) selection;
		Object o = treeSelection.getFirstElement();
		assert o instanceof IMethod;
		IMethod method = (IMethod) o;

		RefaktorChanger changer = new SearchBasedExtractAndMoveMethodChanger(method);
		try {
			changer.checkPreconditions();
			changer.execute(new NullProgressMonitor());
			MessageDialog.openInformation(window.getShell(), "no.uio.ifi.refaktor", changer.getClass() + " has been excuted");
			return null;
		} catch (RefaktorChangerException e) {
			RefaktorDebug.log(e);
		} catch (CoreException e) {
			RefaktorDebug.log(e);
		}

		MessageDialog.openInformation(window.getShell(), "no.uio.ifi.refaktor", changer.getClass() + " did not execute correctly");
		return null;
	}

}