net.sf.jabref.gui.undo.UndoableRemoveEntry.java Source code

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Here is the source code for net.sf.jabref.gui.undo.UndoableRemoveEntry.java

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/*  Copyright (C) 2003-2016 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.gui.undo;

import javax.swing.undo.AbstractUndoableEdit;

import net.sf.jabref.gui.BasePanel;
import net.sf.jabref.model.database.BibDatabase;
import net.sf.jabref.model.entry.BibEntry;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * 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 final BibDatabase base;
    private final BibEntry entry;
    private final BasePanel panel;

    private static final Log LOGGER = LogFactory.getLog(UndoableRemoveEntry.class);

    public UndoableRemoveEntry(BibDatabase base, BibEntry entry, BasePanel panel) {
        this.base = base;
        this.entry = entry;
        this.panel = panel;
    }

    @Override
    public String getUndoPresentationName() {
        return "Undo: remove entry";
    }

    @Override
    public String getRedoPresentationName() {
        return "Redo: remove entry";
    }

    @Override
    public void undo() {
        super.undo();
        base.insertEntry(entry, true);
    }

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

        // Redo the change.
        try {
            base.removeEntry(entry);
            // If the entry has an editor currently open, we must close it.
            panel.ensureNotShowingBottomPanel(entry);
        } catch (Throwable ex) {
            LOGGER.warn("Problem to redo `remove entry`", ex);
        }
    }

}