/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2008 Sun Microsystems, Inc.
 */

package org.opends.guitools.controlpanel.ui.renderer;

import java.awt.Color;
import java.awt.Component;

import javax.swing.BorderFactory;
import javax.swing.JTree;
import javax.swing.border.Border;
import javax.swing.tree.DefaultTreeCellRenderer;

import org.opends.guitools.controlpanel.ui.ColorAndFontConstants;

/**
 * An extension of the DefaultTreeCellRenderer that uses a customized border,
 * foreground and background.
 *
 */
public class TreeCellRenderer extends DefaultTreeCellRenderer
{
  private static final long serialVersionUID = 4045260951231311206L;

  /**
   * Background when the cell is not selected.
   */
  public static final Color nonselectionBackground =
    ColorAndFontConstants.background;
  private static final Color nonselectionForeground =
    ColorAndFontConstants.foreground;

  /**
   * Background when the cell is selected.
   */
  public static final Color selectionBackground =
    ColorAndFontConstants.mouseOverBackground;

  private static final Color selectionForeground =
    ColorAndFontConstants.mouseOverForeground;


  private Border rootBorder = BorderFactory.createEmptyBorder(0, 5, 0, 0);
  private Border normalBorder = BorderFactory.createEmptyBorder(0, 0, 0, 0);

  /**
   * Constructor of the renderer.
   *
   */
  public TreeCellRenderer()
  {
    backgroundNonSelectionColor = nonselectionBackground;
    backgroundSelectionColor = selectionBackground;
    textNonSelectionColor = nonselectionForeground;
    textSelectionColor = selectionForeground;
    setFont(ColorAndFontConstants.treeFont);
  }

  /**
   * {@inheritDoc}
   */
  public Component getTreeCellRendererComponent(JTree tree, Object value,
      boolean isSelected, boolean isExpanded, boolean isLeaf, int row,
      boolean hasFocus)
  {
    super.getTreeCellRendererComponent(tree, value, isSelected, isExpanded,
        isLeaf, row, hasFocus);
    setIcon(null);

    if ((row == 0) && (tree.isRootVisible()))
    {
      setBorder(rootBorder);
    }
    else
    {
      setBorder(normalBorder);
    }
    return this;
  }
}