/*******************************************************************************
 * This file is part of logisim-evolution.
 *
 *   logisim-evolution is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   logisim-evolution 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with logisim-evolution.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Original code by Carl Burch (http://www.cburch.com), 2011.
 *   Subsequent modifications by :
 *     + Haute École Spécialisée Bernoise
 *       http://www.bfh.ch
 *     + Haute École du paysage, d'ingénierie et d'architecture de Genève
 *       http://hepia.hesge.ch/
 *     + Haute École d'Ingénierie et de Gestion du Canton de Vaud
 *       http://www.heig-vd.ch/
 *   The project is currently maintained by :
 *     + REDS Institute - HEIG-VD
 *       Yverdon-les-Bains, Switzerland
 *       http://reds.heig-vd.ch
 *******************************************************************************/

package com.cburch.logisim.proj;

import com.cburch.logisim.circuit.Circuit;
import com.cburch.logisim.file.LogisimFile;
import com.cburch.logisim.tools.Tool;

public class ProjectEvent {
	public final static int ACTION_SET_FILE = 0; // change file
	public final static int ACTION_SET_CURRENT = 1; // change current
	public final static int ACTION_SET_TOOL = 2; // change tool
	public final static int ACTION_SELECTION = 3; // selection alterd
	public final static int ACTION_SET_STATE = 4; // circuit state changed
	public static final int ACTION_START = 5; // action about to start
	public static final int ACTION_COMPLETE = 6; // action has completed
	public static final int ACTION_MERGE = 7; // one action has been appended to
												// another
	public static final int UNDO_START = 8; // undo about to start
	public static final int UNDO_COMPLETE = 9; // undo has completed
	public static final int REPAINT_REQUEST = 10; // canvas should be repainted
	public static final int REDO_START = 11;
	public static final int REDO_COMPLETE = 12;

	private int action;
	private Project proj;
	private Object old_data;
	private Object data;

	ProjectEvent(int action, Project proj) {
		this.action = action;
		this.proj = proj;
		this.data = null;
	}

	ProjectEvent(int action, Project proj, Object data) {
		this.action = action;
		this.proj = proj;
		this.data = data;
	}

	ProjectEvent(int action, Project proj, Object old, Object data) {
		this.action = action;
		this.proj = proj;
		this.old_data = old;
		this.data = data;
	}

	// access methods
	public int getAction() {
		return action;
	}

	public Circuit getCircuit() {
		return proj.getCurrentCircuit();
	}

	public Object getData() {
		return data;
	}

	// convenience methods
	public LogisimFile getLogisimFile() {
		return proj.getLogisimFile();
	}

	public Object getOldData() {
		return old_data;
	}

	public Project getProject() {
		return proj;
	}

	public Tool getTool() {
		return proj.getTool();
	}

}