/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.operator.ports.quickfix;

import com.rapidminer.gui.RapidMinerGUI;
import com.rapidminer.gui.dialog.NewOperatorDialog;
import com.rapidminer.operator.ExecutionUnit;
import com.rapidminer.operator.IOObject;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.OperatorCreationException;
import com.rapidminer.operator.ports.InputPort;
import com.rapidminer.operator.ports.metadata.CompatibilityLevel;
/**
 * @author Simon Fischer
 */
public class AddCompatibleOperatorQuickFix extends AbstractQuickFix {

	private final InputPort inputPort;
	private final Class<? extends IOObject> neededClass;

	public AddCompatibleOperatorQuickFix(InputPort inputPort, Class<? extends IOObject> clazz) {
		super(MAX_RATING - 1, false, "add_compatible", clazz.getSimpleName());
		this.inputPort = inputPort;
		this.neededClass = clazz;
	}

	@Override
	public void apply() {
		try {
			Operator oldOperator = inputPort.getPorts().getOwner().getOperator();
			Operator newOperator = NewOperatorDialog.selectMatchingOperator(RapidMinerGUI.getMainFrame().getActions(), null, neededClass, null, null);

			if (newOperator != null) {
				ExecutionUnit unit = inputPort.getPorts().getOwner().getConnectionContext();
				int index = unit.getIndexOfOperator(oldOperator);
				if (index == -1) {
					unit.addOperator(newOperator);
				} else {
					unit.addOperator(newOperator, unit.getIndexOfOperator(oldOperator));
				}
				if (RapidMinerGUI.getMainFrame().VALIDATE_AUTOMATICALLY_ACTION.isSelected()) {
					unit.autoWireSingle(newOperator, CompatibilityLevel.VERSION_5, true, true);
				}
			}
		} catch (OperatorCreationException e) {
		}
	}

}