net.anwiba.commons.swing.menu.MenuConfiguration Maven / Gradle / Ivy

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/*
 * #%L
 * anwiba commons swing
 * %%
 * Copyright (C) 2007 - 2016 Andreas Bartels
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 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 General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */
package net.anwiba.commons.swing.menu;

import net.anwiba.commons.utilities.registry.KeyValueRegistry;

import java.io.Serializable;
import java.util.Comparator;

import javax.swing.AbstractButton;
import javax.swing.ButtonGroup;
import javax.swing.JMenu;

public class MenuConfiguration {

  public static final class MenuItemGroupDescriptionComarator implements
      Comparator,
      Serializable {

    private static final long serialVersionUID = 1L;

    @Override
    public int compare(final MenuItemGroupDescription o1, final MenuItemGroupDescription o2) {
      return Integer.valueOf(o1.getWeight()).compareTo(Integer.valueOf(o2.getWeight()));
    }
  }

  private final MenuType menuType;
  private final MenuDescription description;

  private final KeyValueRegistry registry =
      new KeyValueRegistry<>();
  final Comparator comparator = new MenuItemGroupDescriptionComarator();

  public MenuConfiguration(final MenuDescription description) {
    this(description, MenuType.MENU);
  }

  public MenuConfiguration(final MenuDescription description, final MenuType menuType) {
    this.description = description;
    this.menuType = menuType;
  }

  public MenuDescription getDescription() {
    return this.description;
  }

  public MenuItemGroupConfiguration get(final MenuItemGroupDescription description) {
    return this.registry.get(description);
  }

  public void add(final MenuItemGroupConfiguration menuGroup) {
    this.registry.register(menuGroup.getDescription(), menuGroup);
  }

  public void remove(final MenuItemGroupConfiguration menuGroup) {
    this.registry.remove(menuGroup.getDescription());
  }

  public JMenu getJMenu() {
    final MenuItemGroupConfiguration[] menuGroups =
        this.registry.getItems(this.comparator, MenuItemGroupDescription.class, MenuItemGroupConfiguration.class);
    final JMenu menu = createMenu();
    menu.setName(this.description.getId());
    for (int i = 0; i < menuGroups.length; i++) {
      if (i > 0) {
        menu.addSeparator();
      }
      final AbstractMenuItemConfiguration[] menuItemConfigurations = menuGroups[i].getMenuItemConfiguration();
      if (menuGroups[i].getDescription().isToggelGroup()) {
        final ButtonGroup group = new ButtonGroup();
        for (final AbstractMenuItemConfiguration menuItemConfiguration : menuItemConfigurations) {
          final AbstractButton button = addToMenu(menu, menuItemConfiguration);
          group.add(button);
        }
      } else {
        for (final AbstractMenuItemConfiguration menuItemConfiguration : menuItemConfigurations) {
          addToMenu(menu, menuItemConfiguration);
        }
      }
    }
    return menu;
  }

  private JMenu createMenu() {
    final JMenu menu = this.description.getMenuFactory().create(this.description.getTitle());
    return menu;
  }

  private AbstractButton addToMenu(final JMenu menu, final AbstractMenuItemConfiguration menuItemConfiguration) {
    final IMenuItemTypeVisitor visitor = new MenuItemButtomFactory(menu, menuItemConfiguration);
    return menuItemConfiguration.getDescription().getMenuItemType().accept(visitor);
  }

  public boolean isEmpty() {
    return this.registry.isEmpty();
  }

  public MenuType getMenuType() {
    return this.menuType;
  }
}