/* 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.BasePanel;
import net.sf.jabref.BibtexDatabase;
import net.sf.jabref.Globals;
/**
* This class represents a change in any field value. The relevant
* information is the BibtexEntry, the field name, the old and the
* new value. Old/new values can be null.
*/
public class UndoablePreambleChange extends AbstractUndoableEdit {
private BibtexDatabase base;
private String oldValue, newValue;
private BasePanel panel;
public UndoablePreambleChange(BibtexDatabase base, BasePanel panel,
String oldValue, String newValue) {
this.base = base;
this.oldValue = oldValue;
this.newValue = newValue;
this.panel = panel;
}
public String getUndoPresentationName() {
return Globals.lang("Undo")+": "+Globals.lang("change preamble");
}
public String getRedoPresentationName() {
return Globals.lang("Redo")+": "+Globals.lang("change preamble");
}
public void undo() {
super.undo();
// Revert the change.
base.setPreamble(oldValue);
// If the preamble editor is open, update it.
panel.updatePreamble();
}
public void redo() {
super.redo();
// Redo the change.
base.setPreamble(newValue);
// If the preamble editor is open, update it.
panel.updatePreamble();
}
}