/*
* Copyright 2004-2014 SmartBear Software
*
* Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent
* versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
*
* http://ec.europa.eu/idabc/eupl
*
* Unless required by applicable law or agreed to in writing, software distributed under the Licence is
* distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the Licence for the specific language governing permissions and limitations
* under the Licence.
*//**
* MySwing: Advanced Swing Utilites
* Copyright (C) 2005 Santhosh Kumar T
* <p/>
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* <p/>
* This library 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
* Lesser General Public License for more details.
*/
package skt.swing.tree.check;
import javax.swing.*;
import javax.swing.tree.TreeCellRenderer;
import javax.swing.tree.TreePath;
import java.awt.*;
/**
* @author Santhosh Kumar T
* @email santhosh@in.fiorano.com
*/
public class CheckTreeCellRenderer extends JPanel implements TreeCellRenderer {
private CheckTreeSelectionModel selectionModel;
private TreePathSelectable selectable;
private TreeCellRenderer delegate;
private TristateCheckBox checkBox = new TristateCheckBox();
public CheckTreeCellRenderer(TreeCellRenderer delegate, CheckTreeSelectionModel selectionModel, TreePathSelectable selectable) {
this.delegate = delegate;
this.selectionModel = selectionModel;
this.selectable = selectable;
setLayout(new BorderLayout());
setOpaque(false);
checkBox.setOpaque(false);
}
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
Component renderer = delegate.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
TreePath path = tree.getPathForRow(row);
if (path != null) {
if (selectionModel.isPathSelected(path, selectionModel.isDigged())) {
checkBox.setState(Boolean.TRUE);
} else {
checkBox.setState(selectionModel.isDigged() && selectionModel.isPartiallySelected(path) ? null : Boolean.FALSE);
}
}
removeAll();
checkBox.setVisible(path == null || selectable == null || selectable.isSelectable(path));
add(checkBox, BorderLayout.WEST);
add(renderer, BorderLayout.CENTER);
return this;
}
}