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/* GraphRename.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* 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.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.list.actions;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import org.grinvin.list.graphs.GraphList;
import org.grinvin.list.graphs.GraphListElement;
/**
* Action which allows the user to rename the currently selected
* graph list element.
*/
public class GraphRename extends AbstractAction implements ListSelectionListener {
//
private final GraphList list;
//
private final ListSelectionModel selectionModel;
/**
* Construct an action command of this type.
*/
public GraphRename(GraphList list, ListSelectionModel selectionModel) {
this.list = list;
this.selectionModel = selectionModel;
selectionModel.addListSelectionListener(this);
int index = selectionModel.getMinSelectionIndex();
setEnabled(!(index < 0 || index != selectionModel.getMaxSelectionIndex() || !list.get(index).isNameEditable()));
}
/**
* Ask the user to rename the currently selected graph list element.
*/
public void actionPerformed(ActionEvent e) {
int index = selectionModel.getMinSelectionIndex();
if (index < 0) {
return;
} // none selected
if (index != selectionModel.getMaxSelectionIndex()) {
return;
} // more than one selection
GraphListElement gle = list.get(index);
if (gle.isNameEditable()) {
new GraphRenamePanel().showDialog(gle, null);
}
}
public void valueChanged(ListSelectionEvent e) {
int index = selectionModel.getMinSelectionIndex();
if (index < 0 || index != selectionModel.getMaxSelectionIndex() || !list.get(index).isNameEditable()) {
setEnabled(false);
} else {
setEnabled(true);
}
}
}
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