Package net.sf.latexdraw.instruments

Source Code of net.sf.latexdraw.instruments.MenuItem2ShowPreferencesInteractor

package net.sf.latexdraw.instruments;

import java.awt.Component;
import java.awt.event.KeyEvent;
import java.util.Objects;

import net.sf.latexdraw.badaboom.BadaboomCollector;
import net.sf.latexdraw.lang.LangTool;
import net.sf.latexdraw.ui.dialog.PreferencesFrame;
import net.sf.latexdraw.util.LResources;

import org.malai.action.library.ActivateInstrument;
import org.malai.instrument.Interactor;
import org.malai.swing.instrument.WidgetInstrument;
import org.malai.swing.instrument.library.MenuItem2ShowComponentInteractor;
import org.malai.swing.interaction.library.MenuItemPressed;
import org.malai.swing.ui.SwingUIComposer;
import org.malai.swing.widget.MMenuItem;

/**
* This instrument activates the preferences setter and shows the preferences frame.<br>
* <br>
* This file is part of LaTeXDraw<br>
* Copyright (c) 2005-2014 Arnaud BLOUIN<br>
* <br>
*  LaTeXDraw is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.<br>
* <br>
*  LaTeXDraw is distributed without any warranty; without even the
*  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
*  PURPOSE. See the GNU General Public License for more details.<br>
* <br>
* 01/18/11<br>
* @author Arnaud BLOUIN
* @version 3.0
*/
public class PreferencesActivator extends WidgetInstrument {
  /** The frame containing the widgets of the preferences setter. */
  protected PreferencesFrame preferenceFrame;

  /** The menu item used to activate the setter. */
  protected MMenuItem showPreferencesMenu;

  /** The instrument that modifies the preferences. */
  protected PreferencesSetter prefSetter;


  /**
   * Creates the instrument.
   * @param composer The composer that manages the widgets of the instrument.
   * @param prefSetter The instrument that modifies the preferences.
   * @throws IllegalArgumentException If the given instrument is null.
   * @since 3.0
   */
  public PreferencesActivator(final SwingUIComposer<?> composer, final PreferencesSetter prefSetter) {
    super(composer);

    this.prefSetter = Objects.requireNonNull(prefSetter);
    initialiseWidgets();
  }


  @Override
  protected void initialiseWidgets() {
    showPreferencesMenu = new MMenuItem(LangTool.INSTANCE.getStringLaTeXDrawFrame("LaTeXDrawFrame.56"), KeyEvent.VK_P); //$NON-NLS-1$
    showPreferencesMenu.setIcon(LResources.PREFERENCES_ICON);
  }


  @Override
  protected void initialiseInteractors() {
    try{
      addInteractor(new MenuItem2ActivateSetterInteractor(this));
      addInteractor(new MenuItem2ShowPreferencesInteractor(this, null, showPreferencesMenu));
    }catch(InstantiationException | IllegalAccessException e){
      BadaboomCollector.INSTANCE.add(e);
    }
  }


  /**
   * Initialises and returns the preferences frame.
   * @return The preferences frame.
   * @since 3.0
   */
  protected PreferencesFrame initialisePreferencesFrame() {
    if(preferenceFrame==null) {
      preferenceFrame = new PreferencesFrame(prefSetter);
      prefSetter.addEventable(preferenceFrame);
    }
    return preferenceFrame;
  }


  /**
   * @return the menu item used to activates the setter.
   * @since 3.0
   */
  public MMenuItem getShowPreferencesMenu() {
    return showPreferencesMenu;
  }
}

/**
* This links maps a menu item to an action that activates the preferences setter.
*/
class MenuItem2ActivateSetterInteractor extends Interactor<ActivateInstrument, MenuItemPressed, PreferencesActivator> {
  /**
   * Creates the link.
   */
  protected MenuItem2ActivateSetterInteractor(final PreferencesActivator ins) throws InstantiationException, IllegalAccessException {
    super(ins, false, ActivateInstrument.class, MenuItemPressed.class);
  }

  @Override
  public void initAction() {
    action.setInstrument(instrument.prefSetter);
  }

  @Override
  public boolean isConditionRespected() {
    return interaction.getMenuItem()==instrument.showPreferencesMenu;
  }
}


/**
* This link maps a menu item to an action that shows the preferences frame.
*/
class MenuItem2ShowPreferencesInteractor extends MenuItem2ShowComponentInteractor<PreferencesActivator> {
  /**
   * Creates the link.
   */
  protected MenuItem2ShowPreferencesInteractor(final PreferencesActivator ins, final Component component, final MMenuItem menuItem)
                      throws InstantiationException, IllegalAccessException {
    super(ins, component, menuItem);
  }


  @Override
  public void initAction() {
    if(component==null)
      component = instrument.initialisePreferencesFrame();
    super.initAction();
  }
}
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