package org.hwo.ui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.LinkedList;

import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JToggleButton;

import org.hwo.ui.toolbar.UITool;

public class JToolButtonBar extends JPanel {
	
	LinkedList<UITool>	tools;
	LinkedList<JToggleButton> buttons;
	
	UITool	selectedTool;
	
	
	public JToolButtonBar() {
		tools = new LinkedList<UITool>();
		buttons = new LinkedList<JToggleButton>();
	}

	
	
	public void addTool(final UITool tool){
		tools.add(tool);
		
		JToggleButton button = new JToggleButton();
		button.setSize(32, 32);
		button.setText( tool.getLabel() );
		button.setToolTipText(tool.getHelp());
		
		button.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent e) {
				selectTool(tool);
			}
		});
		
		buttons.add(button);
		
		add(button);
	}
	
	public void selectTool(UITool tool){
		if (selectedTool != null) {
			selectedTool.unselect();
			int idx = tools.indexOf(selectedTool);
			if (idx != -1){
				buttons.get(idx).setSelected(false);
			}
			selectedTool = null;
		}
		
		if (tool != null){
			int idx = tools.indexOf(tool);
			if (idx != -1){
				buttons.get(idx).setSelected(true);
			}
			tool.select();
			selectedTool = tool;
		}
	}
	
	public UITool getSelectedTool() {
		return selectedTool;
	}
	
	
}