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/*
 * JPPF.
 * Copyright (C) 2005-2019 JPPF Team.
 * http://www.jppf.org
 *
 * Licensed 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
 *
 *   http://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.jppf.ui.options;

import java.awt.Component;

import javax.swing.*;

import org.jppf.ui.options.docking.DockingManager;
import org.jppf.ui.utils.GuiUtils;

/**
 * This option class encapsulates a tabbed pane, as the one present in the Swing api.
 * @author Laurent Cohen
 */
public class TabbedPaneOption extends AbstractOptionContainer {
  @Override
  public void createUI() {
    final JTabbedPane pane = new JTabbedPane();
    pane.setDoubleBuffered(true);
    if (!bordered) pane.setBorder(BorderFactory.createEmptyBorder());
    UIComponent = pane;
  }

  @Override
  public void add(final OptionElement element) {
    add(element, children.size(), null);
  }

  /**
   * Add the specified component at the specified index.
   * @param element the component to add.
   * @param tabComponent the component (normally label with icon + text) displayed in the tab list.
   */
  public void add(final OptionElement element, final Component tabComponent) {
    add(element, children.size(), tabComponent);
  }

  /**
   * Add the specified component at the specified index.
   * @param element the component to add.
   * @param index the index at which to add the component.
   */
  @Override
  public void add(final OptionElement element, final int index) {
    add(element, index, null);
  }

  /**
   * Add the specified component at the specified index.
   * @param element the component to add.
   * @param index the index at which to add the component.
   * @param tabComponent the component (normally label with icon + text) displayed in the tab list.
   */
  public void add(final OptionElement element, final int index, final Component tabComponent) {
    if (index > children.size()) throw new IndexOutOfBoundsException("index should be < " + children.size() + " but is " + index);
    if (index < 0) throw new IndexOutOfBoundsException("negative index " + index);
    //int idx = children.size();
    super.add(element, index);
    final JTabbedPane pane = (JTabbedPane) UIComponent;
    ImageIcon icon = null;
    if (element.getIconPath() != null) icon = GuiUtils.loadIcon(element.getIconPath());
    final DockingManager dmgr = DockingManager.getInstance();
    try {
      //pane.addTab("", null, element.getUIComponent(), element.getToolTipText());
      pane.insertTab("", null, element.getUIComponent(), element.getToolTipText(), index);
      JLabel l = null;
      if (tabComponent != null) {
        l = (JLabel) tabComponent;
      } else l = new JLabel(element.getLabel(), icon, SwingConstants.CENTER);
      pane.setTabComponentAt(index, l);
      if (element.isDetachable() && (tabComponent == null)) {
        l.addMouseListener(dmgr.getMouseAdapter());
        if (!dmgr.isRegistered(element)) dmgr.register(element, l);
        else dmgr.update(element, l);
      }
    } catch (final Throwable t) {
      t.printStackTrace();
    }
  }

  @Override
  public void remove(final OptionElement element) {
    super.remove(element);
    UIComponent.remove(element.getUIComponent());
  }

  /**
   * Get the tab component for the specified option.
   * @param element the option for which to get the tab component.
   * @return the tab component as a {@link Component}.
   */
  public Component getTabComponent(final OptionElement element) {
    final int index = ((JTabbedPane) UIComponent).indexOfComponent(element.getUIComponent());
    return ((JTabbedPane) UIComponent).getTabComponentAt(index);
  }
}