TransportMenuItem.java

/*
 * Created on 02-dic-2005
 * 
 * TODO To change the template for this generated file go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
package org.herac.tuxguitar.gui.items.menu;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.actions.transport.TransportMetronomeAction;
import org.herac.tuxguitar.gui.actions.transport.TransportModeAction;
import org.herac.tuxguitar.gui.actions.transport.TransportPlayAction;
import org.herac.tuxguitar.gui.actions.transport.TransportSetLoopEHeaderAction;
import org.herac.tuxguitar.gui.actions.transport.TransportSetLoopSHeaderAction;
import org.herac.tuxguitar.gui.actions.transport.TransportStopAction;
import org.herac.tuxguitar.gui.items.MenuItems;
import org.herac.tuxguitar.player.base.MidiPlayerMode;
import org.herac.tuxguitar.song.models.TGMeasure;

/**
 * @author julian
 * 
 *         TODO To change the template for this generated type comment go to
 *         Window - Preferences - Java - Code Style - Code Templates
 */
public class TransportMenuItem extends MenuItems {
  private static final int STATUS_PAUSED = 2;
  private static final int STATUS_RUNNING = 3;
  private static final int STATUS_STOPPED = 1;

  private MenuItem loopEHeader;
  private MenuItem loopSHeader;
  private Menu menu;
  private MenuItem metronome;
  private MenuItem mode;
  private MenuItem play;
  private int status;
  private MenuItem stop;

  private MenuItem transportMenuItem;

  public TransportMenuItem(Shell shell, Menu parent, int style) {
    this.transportMenuItem = new MenuItem(parent, style);
    this.menu = new Menu(shell, SWT.DROP_DOWN);
  }

  public void loadIcons() {
    this.loadIcons(true);
    this.mode
        .setImage(TuxGuitar.instance().getIconManager().getTransportMode());
    this.metronome.setImage(TuxGuitar.instance().getIconManager()
        .getTransportMetronome());
  }

  public void loadIcons(boolean force) {
    int lastStatus = this.status;

    if (TuxGuitar.instance().getPlayer().isRunning()) {
      this.status = STATUS_RUNNING;
    } else if (TuxGuitar.instance().getPlayer().isPaused()) {
      this.status = STATUS_PAUSED;
    } else {
      this.status = STATUS_STOPPED;
    }

    if (force || lastStatus != this.status) {
      if (this.status == STATUS_RUNNING) {
        this.stop.setImage(TuxGuitar.instance().getIconManager()
            .getTransportIconStop2());
        this.play.setImage(TuxGuitar.instance().getIconManager()
            .getTransportIconPause());
      } else if (this.status == STATUS_PAUSED) {
        this.stop.setImage(TuxGuitar.instance().getIconManager()
            .getTransportIconStop2());
        this.play.setImage(TuxGuitar.instance().getIconManager()
            .getTransportIconPlay2());
      } else if (this.status == STATUS_STOPPED) {
        this.stop.setImage(TuxGuitar.instance().getIconManager()
            .getTransportIconStop1());
        this.play.setImage(TuxGuitar.instance().getIconManager()
            .getTransportIconPlay1());
      }
    }
  }

  public void loadProperties() {
    setMenuItemTextAndAccelerator(this.transportMenuItem, "transport", null);
    setMenuItemTextAndAccelerator(this.play, "transport.start",
        TransportPlayAction.NAME);
    setMenuItemTextAndAccelerator(this.stop, "transport.stop",
        TransportStopAction.NAME);
    setMenuItemTextAndAccelerator(this.mode, "transport.mode",
        TransportModeAction.NAME);
    setMenuItemTextAndAccelerator(this.metronome, "transport.metronome",
        TransportMetronomeAction.NAME);
    setMenuItemTextAndAccelerator(this.loopSHeader, "transport.set-loop-start",
        TransportSetLoopSHeaderAction.NAME);
    setMenuItemTextAndAccelerator(this.loopEHeader, "transport.set-loop-end",
        TransportSetLoopEHeaderAction.NAME);
  }

  public void showItems() {
    this.play = new MenuItem(this.menu, SWT.PUSH);
    this.play.addSelectionListener(TuxGuitar.instance().getAction(
        TransportPlayAction.NAME));

    this.stop = new MenuItem(this.menu, SWT.PUSH);
    this.stop.addSelectionListener(TuxGuitar.instance().getAction(
        TransportStopAction.NAME));

    // --SEPARATOR--
    new MenuItem(this.menu, SWT.SEPARATOR);

    this.metronome = new MenuItem(this.menu, SWT.CHECK);
    this.metronome.addSelectionListener(TuxGuitar.instance().getAction(
        TransportMetronomeAction.NAME));

    this.mode = new MenuItem(this.menu, SWT.PUSH);
    this.mode.addSelectionListener(TuxGuitar.instance().getAction(
        TransportModeAction.NAME));

    // --SEPARATOR--
    new MenuItem(this.menu, SWT.SEPARATOR);

    this.loopSHeader = new MenuItem(this.menu, SWT.CHECK);
    this.loopSHeader.addSelectionListener(TuxGuitar.instance().getAction(
        TransportSetLoopSHeaderAction.NAME));

    this.loopEHeader = new MenuItem(this.menu, SWT.CHECK);
    this.loopEHeader.addSelectionListener(TuxGuitar.instance().getAction(
        TransportSetLoopEHeaderAction.NAME));

    this.transportMenuItem.setMenu(this.menu);

    this.status = STATUS_STOPPED;
    this.loadIcons();
    this.loadProperties();
  }

  public void update() {
    TGMeasure measure = TuxGuitar.instance().getTablatureEditor()
        .getTablature().getCaret().getMeasure();
    MidiPlayerMode pm = TuxGuitar.instance().getPlayer().getMode();
    this.metronome.setSelection(TuxGuitar.instance().getPlayer()
        .isMetronomeEnabled());
    this.loopSHeader.setEnabled(pm.isLoop());
    this.loopSHeader.setSelection(measure != null
        && measure.getNumber() == pm.getLoopSHeader());
    this.loopEHeader.setEnabled(pm.isLoop());
    this.loopEHeader.setSelection(measure != null
        && measure.getNumber() == pm.getLoopEHeader());
    this.loadIcons(false);
  }
}