content: /*****************************************************************
   *   Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   ****************************************************************/
  package org.apache.cayenne.swing.components.tree;
  
  import javax.swing.*;
  import javax.swing.tree.DefaultMutableTreeNode;
  import javax.swing.tree.DefaultTreeCellRenderer;
  import javax.swing.tree.TreeCellRenderer;
  import java.awt.*;
  
  /**
   * @since 5.0
   */
  public class LabelTreeCellRenderer extends JLabel implements TreeCellRenderer {
  
      protected final TreeCellRenderer defaultRenderer;
  
      LabelTreeCellRenderer() {
          defaultRenderer = new DefaultTreeCellRenderer();
          setOpaque(false);
      }
  
      @Override
      public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded,
                                                    boolean leaf, int row, boolean hasFocus) {
          if (!(value instanceof DefaultMutableTreeNode)) {
              return defaultRenderer.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
          }
          DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
          if (!(node.getUserObject() instanceof CheckBoxNodeData)) {
              return defaultRenderer.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
          }
          CheckBoxNodeData data = ((CheckBoxNodeData) node.getUserObject());
  
          setText(data.getLabel());
          return this;
      }
  }
  