Priority.java example

/*  Copyright (C) 2012 JabRef contributors.
    This program 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 2 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 General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package net.sf.jabref.specialfields;

import java.util.ArrayList;

import javax.swing.ImageIcon;
import javax.swing.JLabel;

import net.sf.jabref.GUIGlobals;
import net.sf.jabref.Globals;

public class Priority extends SpecialField {
	
	private static Priority INSTANCE = null;
	
	private ImageIcon icon = new ImageIcon(GUIGlobals.getIconUrl("priority"));
	
	public Priority() {
		ArrayList<SpecialFieldValue> values = new ArrayList<SpecialFieldValue>();
		values.add(new SpecialFieldValue(this, null, "clearPriority", Globals.lang("Clear priority"), null, Globals.lang("No priority information")));
		ImageIcon icon;
		icon = GUIGlobals.getImage("red");
		values.add(new SpecialFieldValue(this, "prio1", "setPriority1", Globals.lang("Set priority to high"), icon, Globals.lang("Priority high")));
		icon = GUIGlobals.getImage("orange");
		values.add(new SpecialFieldValue(this, "prio2", "setPriority2", Globals.lang("Set priority to medium"), icon, Globals.lang("Priority medium")));
		icon = GUIGlobals.getImage("green");
		values.add(new SpecialFieldValue(this, "prio3", "setPriority3", Globals.lang("Set priority to low"), icon, Globals.lang("Priority low")));
		this.setValues(values);
		TEXT_DONE_PATTERN = "Set priority %0 for %1 entries";
	}
	
	public static Priority getInstance() {
		if (INSTANCE == null) {
			INSTANCE = new Priority();
		}
		return INSTANCE;
	}
	
	public String getFieldName() {
		return SpecialFieldsUtils.FIELDNAME_PRIORITY;
	}
	
	public ImageIcon getRepresentingIcon() {
		return this.icon;
	}
	
	public String getToolTip() {
		return Globals.lang("Priority");
	}
	
	public String getMenuString() {
		return Globals.lang("Priority");
	}
}