/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.tools;
import java.awt.BorderLayout;
import java.awt.Component;
import javax.swing.JPanel;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeCellRenderer;
import javax.swing.tree.TreePath;
/**
* This is the combined renderer for the check tree.
*
* @author Santhosh Kumar, Ingo Mierswa 16:58:56 ingomierswa Exp $
*/
public class ExtendedCheckTreeCellRenderer extends JPanel implements TreeCellRenderer {
private static final long serialVersionUID = -2532264318689978630L;
private ExtendedCheckTreeSelectionModel selectionModel;
private TreeCellRenderer delegate;
private ExtendedTriStateCheckBox checkBox = new ExtendedTriStateCheckBox();
public ExtendedCheckTreeCellRenderer(TreeCellRenderer delegate, ExtendedCheckTreeSelectionModel selectionModel) {
this.delegate = delegate;
this.selectionModel = selectionModel;
setLayout(new BorderLayout());
setOpaque(false);
checkBox.setOpaque(false);
}
@Override
public java.awt.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);
((DefaultTreeCellRenderer) renderer).setLeafIcon(null);
((DefaultTreeCellRenderer) renderer).setIcon(null);
((DefaultTreeCellRenderer) renderer).setOpenIcon(null);
((DefaultTreeCellRenderer) renderer).setClosedIcon(null);
TreePath path = tree.getPathForRow(row);
if (path != null) {
if (selectionModel.isPathSelected(path, true)) {
checkBox.setState(Boolean.TRUE);
} else {
checkBox.setState(selectionModel.isPartiallySelected(path) ? null : Boolean.FALSE);
}
}
removeAll();
add(checkBox, BorderLayout.WEST);
add(renderer, BorderLayout.CENTER);
return this;
}
}