/*
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions Copyright [year] [name of copyright owner]".
 *
 * Copyright 2008 Sun Microsystems, Inc.
 * Portions Copyright 2015-2016 ForgeRock AS.
 */

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

import java.awt.Component;
import java.awt.Font;

import javax.swing.JTree;

import org.opends.guitools.controlpanel.browser.BrowserController;
import org.opends.guitools.controlpanel.ui.ColorAndFontConstants;
import org.opends.guitools.controlpanel.ui.nodes.BasicNode;

/** The renderer used to render the nodes in the LDAP entry browser. */
public class BrowserCellRenderer extends TreeCellRenderer {

  private static final long serialVersionUID = 6756291700611741513L;
  Font defaultFont = ColorAndFontConstants.treeFont;
  Font italicFont = defaultFont.deriveFont(Font.ITALIC);
  Font boldFont = defaultFont.deriveFont(Font.BOLD);
  Font italicBoldFont = defaultFont.deriveFont(Font.ITALIC|Font.BOLD);
  BasicNode inspectedNode;

  /**
   * Sets which is the inspected node.  This method simply marks the selected
   * node in the tree so that it can have a different rendering.  This is
   * useful for instance when the right panel has a list of entries to which
   * the menu action apply, to make a difference between the selected node in
   * the tree (to which the action in the main menu will not apply) and the
   * selected nodes in the right pane.
   * @param node the selected node.
   */
  public void setInspectedNode(BasicNode node) {
    inspectedNode = node;
  }

  @Override
  public Component getTreeCellRendererComponent(
      JTree tree,
      Object value,
      boolean isSelected,
    boolean isExpanded,
    boolean isLeaf,
    int row,
      boolean cellHasFocus)
  {
    BasicNode node = (BasicNode)value;
    super.getTreeCellRendererComponent(tree, node, isSelected,
        isExpanded, isLeaf,
        row, cellHasFocus);

    setIcon(node.getIcon());
    setText(node.getDisplayName());

    Font newFont = defaultFont;
    int style = node.getFontStyle();
    if (node == inspectedNode) {
      style |= Font.BOLD;
    }
    if ((style & Font.ITALIC & Font.BOLD) != 0) {
      newFont = italicBoldFont;
    }
    else if ((style & Font.ITALIC) != 0) {
      newFont = italicFont;
    }
    else if ((style & Font.BOLD) != 0) {
      newFont = boldFont;
    }
    else {
      newFont = defaultFont;
    }
    setFont(newFont);
    return this;
  }


  /**
   * Returns the row height for the provided browser controller.
   * @param controller the browser controller.
   * @return the row height for the provided browser controller.
   */
  public static int calculateRowHeight(BrowserController controller) {
    return 16;
  }
}