/*
Copyright (C) 2003 Nizar N. Batada, Morten O. Alver
All programs in this directory and
subdirectories are published under the GNU General Public License as
described below.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
Further information about the GNU GPL is available at:
http://www.gnu.org/copyleft/gpl.ja.html
*/
package net.sf.jabref.undo;
import javax.swing.undo.AbstractUndoableEdit;
import net.sf.jabref.BasePanel;
import net.sf.jabref.BibtexDatabase;
import net.sf.jabref.BibtexEntry;
import net.sf.jabref.Util;
/**
* This class represents the removal of an entry. The constructor needs
* references to the database, the entry, and the map of open entry editors.
* The latter to be able to close the entry's editor if it is opened after
* an undo, and the removal is then undone.
*/
public class UndoableRemoveEntry extends AbstractUndoableEdit {
private BibtexDatabase base;
private BibtexEntry entry;
private BasePanel panel;
public UndoableRemoveEntry(BibtexDatabase base, BibtexEntry entry,
BasePanel panel) {
this.base = base;
this.entry = entry;
this.panel = panel;
}
public String getUndoPresentationName() {
return "Undo: remove entry";
}
public String getRedoPresentationName() {
return "Redo: remove entry";
}
public void undo() {
super.undo();
// Revert the change.
try {
String id = Util.createNeutralId();
entry.setId(id);
base.insertEntry(entry);
} catch (Throwable ex) {
ex.printStackTrace();
}
}
public void redo() {
super.redo();
// Redo the change.
try {
base.removeEntry(entry.getId());
// If the entry has an editor currently open, we must close it.
panel.ensureNotShowing(entry);
} catch (Throwable ex) {
ex.printStackTrace();
}
}
}