RestoreDefaultsAction.java

//    This file is part of Penn TotalRecall <http://memory.psych.upenn.edu/TotalRecall>.
//
//    TotalRecall 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, version 3 only.
//
//    TotalRecall 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 TotalRecall.  If not, see <http://www.gnu.org/licenses/>.

package components.preferences;

import java.awt.event.ActionEvent;
import java.awt.event.WindowEvent;
import java.util.ArrayList;

import javax.swing.AbstractAction;

import util.GiveMessage;

/**
 * Restores all preferences to their factory defaults. 
 * 
 * @author Yuvi Masory
 */
public class RestoreDefaultsAction extends AbstractAction {

	/** 
	 * Recurses through all <code>AbstractPreferenceDisplays</code>, and restores them to their defaults.
	 * Afterward notifies user of success and hides the <code>PreferencesFrame</code>.
	 * 
	 * @param e The <code>ActionEvent</code> generated by the trigger
	 */
	public void actionPerformed(ActionEvent e) {
		ArrayList<AbstractPreferenceDisplay> allPrefs = PreferencesFrame.getInstance().getAbstractPreferences();
		for(int i = 0; i < allPrefs.size(); i++) {
			allPrefs.get(i).restoreDefault();
		}
		GiveMessage.infoMessage("All preferences successfully restored to defaults.");
		
		//safer than directly using setVisible(false), since this double checks the assumption that all preferences are saved
		PreferencesFrame.getInstance().windowClosing(new WindowEvent(PreferencesFrame.getInstance(), WindowEvent.WINDOW_CLOSING));
	}
}