Toolbar.java

package com.drawbridge.utils;

import java.awt.ComponentOrientation;
import java.awt.Dimension;
import java.awt.Toolkit;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.JPanel;

import com.drawbridge.Activity;
import com.drawbridge.utils.Selector.SelectorListener;

/**
 * @author Alistair Stead
 */
public class Toolbar extends JPanel
{

	private static final long	serialVersionUID				= 8340191311727733979L;
	private static Toolbar		mMenu							= null;
	private Activity			mParent;

	private Selector			mSelector						= null;

	/** Hold the layout **/
	public static Toolbar getInstance(Activity parent)
	{
		if (mMenu == null)
		{
			mMenu = new Toolbar(parent, "Menu");
			return mMenu;
		}
		return mMenu;
	}
	
	public Selector getSelector(){
		return mSelector;
	}


	public Toolbar(Activity parent, String name) {
		this.mParent = parent;

	}

	public void initToolbarComponents() {

		/** Set up the selector to change the view **/
		try {
			mSelector = new Selector(mParent, Math.max((mParent.getSegmentNumber() -1), 1));
			mSelector.addSelectorListener(new SelectorListener() {
				@Override
				public void onSelectorChange(int selectorID) {
					mParent.changeSegmentView(selectorID);
				}
			});
			mSelector.setBorder(BorderFactory.createEmptyBorder(15, 0, 15, 0));
		} catch (Exception e) {
			e.printStackTrace();
		}

		/** Set up the orientation buttons **/
		Dimension screenDim = Toolkit.getDefaultToolkit().getScreenSize();
		
		int firstStrutWidth = (screenDim.width / 2)  - (mSelector.getPreferredSize().width / 2);
		this.add(Box.createHorizontalStrut(firstStrutWidth));
		this.add(mSelector);

		int secondStrutWidth = (screenDim.width /2) -  (mSelector.getPreferredSize().width / 2);
		this.add(Box.createHorizontalStrut(secondStrutWidth));
		
		this.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
	}




}