/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 by RapidMiner and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapidminer.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.gui.flow;

import java.util.LinkedList;
import java.util.List;

import com.rapidminer.gui.RapidMinerGUI;
import com.rapidminer.gui.tools.EditBlockingProgressThread;
import com.rapidminer.operator.Operator;
import com.rapidminer.operator.ports.metadata.CompatibilityLevel;

/**
 * 
 * @author Simon Fischer
 *
 */
public class AutoWireThread extends EditBlockingProgressThread {

	private List<Operator> newOperators;

	private AutoWireThread(List<Operator> newOperators) {
		super("auto_wiring");
		this.newOperators = newOperators;
	}

	
	@Override
	public void execute() {
		getProgressListener().setTotal(newOperators.size()+1);
		for (int i = 0; i < newOperators.size(); i++) {
			Operator newOp = newOperators.get(i);
			getProgressListener().setCompleted(i+1);
			newOp.getExecutionUnit().autoWireSingle(newOp, CompatibilityLevel.VERSION_5,
					RapidMinerGUI.getMainFrame().getNewOperatorEditor().shouldAutoConnectNewOperatorsInputs(),
					RapidMinerGUI.getMainFrame().getNewOperatorEditor().shouldAutoConnectNewOperatorsOutputs());			
		}										
		getProgressListener().complete();
	}


	public static void autoWireInBackground(List<Operator> newOperators, boolean firstMustBeWired) {
		if (!firstMustBeWired) {
			newOperators = new LinkedList<Operator>(newOperators);
			newOperators.remove(0);
		}
		if (RapidMinerGUI.getMainFrame().getNewOperatorEditor().shouldAutoConnectNewOperatorsInputs() ||
				RapidMinerGUI.getMainFrame().getNewOperatorEditor().shouldAutoConnectNewOperatorsOutputs()) {
			new AutoWireThread(newOperators).start();
		}
	}
}