/*  Copyright (C) 2003-2011 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.undo;

import javax.swing.undo.AbstractUndoableEdit;

import net.sf.jabref.*;

public class UndoableRemoveString extends AbstractUndoableEdit {

    private BibtexDatabase base;
    private BibtexString string;
    private BasePanel panel;

    public UndoableRemoveString(BasePanel panel,
				BibtexDatabase base, BibtexString string) {
	this.base = base;
	this.string = string;
	this.panel = panel;
    }

    public String getUndoPresentationName() {
	return Globals.lang("Undo")+": "+Globals.lang("remove string ");
    }

    public String getRedoPresentationName() {
	return Globals.lang("Redo")+": "+Globals.lang("remove string ");
    }

    public void undo() {
	super.undo();
	
	// Revert the change.
	try {
	    base.addString(string);
	} catch (KeyCollisionException ex) {
	    ex.printStackTrace();
	}

	panel.updateStringDialog();
    }

    public void redo() {
	super.redo();

	// Redo the change.
	base.removeString(string.getId());

	panel.updateStringDialog();
    }



}
