BeatToolItems.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.tool;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.herac.tuxguitar.gui.TuxGuitar;
import org.herac.tuxguitar.gui.actions.insert.InsertChordAction;
import org.herac.tuxguitar.gui.actions.note.ChangeTiedNoteAction;
import org.herac.tuxguitar.gui.items.ToolItems;
import org.herac.tuxguitar.song.models.TGChord;
import org.herac.tuxguitar.song.models.TGNote;

/**
 * @author julian
 * 
 *         TODO To change the template for this generated type comment go to
 *         Window - Preferences - Java - Code Style - Code Templates
 */
public class BeatToolItems extends ToolItems {
  private class ChordMenuItem extends SelectionAdapter {
    private ToolItem item;
    private long lastEdit;
    private Menu subMenu;
    private MenuItem[] subMenuItems;

    public ChordMenuItem() {
      this.item = new ToolItem(BeatToolItems.this.toolBar, SWT.DROP_DOWN);
      this.item.addSelectionListener(this);
      this.subMenu = new Menu(this.item.getParent().getShell());
    }

    public void addItems() {
      this.disposeItems();
      this.subMenuItems = new MenuItem[TuxGuitar.instance()
          .getCustomChordManager().countChords()];
      for (int i = 0; i < this.subMenuItems.length; i++) {
        TGChord chord = TuxGuitar.instance().getCustomChordManager()
            .getChord(i);
        this.subMenuItems[i] = new MenuItem(this.subMenu, SWT.PUSH);
        this.subMenuItems[i].setData(chord);
        this.subMenuItems[i].setText(chord.getName());
        this.subMenuItems[i].addSelectionListener(TuxGuitar.instance()
            .getAction(InsertChordAction.NAME));
      }
    }

    public void disposeItems() {
      if (this.subMenuItems != null) {
        for (int i = 0; i < this.subMenuItems.length; i++) {
          this.subMenuItems[i].dispose();
        }
      }
    }

    public void setEnabled(boolean enabled) {
      this.item.setEnabled(enabled);
    }

    public void setImage(Image image) {
      this.item.setImage(image);
    }

    public void setToolTipText(String text) {
      this.item.setToolTipText(text);
    }

    public void update() {
      if (this.lastEdit != TuxGuitar.instance().getCustomChordManager()
          .getLastEdit()) {
        this.addItems();
        this.lastEdit = TuxGuitar.instance().getCustomChordManager()
            .getLastEdit();
      }
    }

    public void widgetSelected(SelectionEvent event) {
      if (event.detail == SWT.ARROW && this.subMenuItems != null
          && this.subMenuItems.length > 0) {
        ToolItem item = (ToolItem) event.widget;
        Rectangle rect = item.getBounds();
        Point pt = item.getParent().toDisplay(new Point(rect.x, rect.y));
        this.subMenu.setLocation(pt.x, pt.y + rect.height);
        this.subMenu.setVisible(true);
      } else {
        TuxGuitar.instance().getAction(InsertChordAction.NAME).process(event);
      }
    }
  }

  public static final String NAME = "beat.items";
  private ChordMenuItem chordItems;
  private ToolItem tiedNote;

  protected ToolBar toolBar;

  public BeatToolItems() {
    super(NAME);
  }

  public void loadIcons() {
    this.tiedNote.setImage(TuxGuitar.instance().getIconManager().getNoteTied());
    this.chordItems.setImage(TuxGuitar.instance().getIconManager().getChord());
  }

  public void loadProperties() {
    this.tiedNote.setToolTipText(TuxGuitar.getProperty("note.tiednote"));
    this.chordItems.setToolTipText(TuxGuitar.getProperty("insert.chord"));
  }

  public void showItems(ToolBar toolBar) {
    this.toolBar = toolBar;

    this.tiedNote = new ToolItem(toolBar, SWT.CHECK);
    this.tiedNote.addSelectionListener(TuxGuitar.instance().getAction(
        ChangeTiedNoteAction.NAME));

    this.chordItems = new ChordMenuItem();
    this.chordItems.addItems();

    this.loadIcons();
    this.loadProperties();
  }

  public void update() {
    TGNote note = TuxGuitar.instance().getTablatureEditor().getTablature()
        .getCaret().getSelectedNote();
    boolean running = TuxGuitar.instance().getPlayer().isRunning();
    this.tiedNote.setEnabled(!running);
    this.tiedNote.setSelection(note != null && note.isTiedNote());
    this.chordItems.setEnabled(!running);
    this.chordItems.update();
  }
}