import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;
import javax.swing.event.*;

/*
swing vs awt
	-swing is more "modern", hip thing to do.
	-awt is a little rougher around the edges.
both have their advantages, (speed vs ease, etc)
not really that important.
*/
public class SwingTest extends JFrame implements ActionListener, ChangeListener
{
	//lesson 1: everything in javax starts with "J".
	//(almost)
	private JSlider width_slider;
	private MyPanel drawing_area;	//inheritence
	private JRadioButton black;
	private JRadioButton blue;
	private JRadioButton red;
	
	private JLabel color_label;
	private JLabel width_label;
	private JLabel area_label;
	
	//awt, no J!  This is typically done with a JPanel.
	//However containers can work too.
	private Container content_panel;
	private Container left_area; //holds all of left
	private Container color_container;
	private Container width_container;
	
	//layout managers
	private GridBagLayout full_layout;
	private GridBagLayout left_layout;
	
	//new stuff
	private JButton invert_button;
	private Container invert_container;
	private JLabel invert_label;
	
	//the interesting stuff
	private int circle_width;
	private Color color;
	
	//dont just throw everything in the constructor!!!
	//ORGANIZE!!!!
		//create relevant objects
		//create layouts and constraints
		//add objects to containers
		//deal with events
	public SwingTest()
	{
		super("java.  FFFFFFFUUUUUUUUUUU");
		
		this.setDefaultCloseOperation(EXIT_ON_CLOSE);
		
		this.full_layout = new GridBagLayout();
		this.content_panel = new Container();
		this.content_panel.setLayout(full_layout);
		this.setContentPane(this.content_panel);
		this.content_panel.setVisible(true);
		init_panel();
		init_left();
		this.setSize(400,400); //big enough to pack down.
		this.pack();
	}
	
	private void init_panel()
	{
		this.drawing_area = new MyPanel();
		this.drawing_area.setPreferredSize(new Dimension(300,300));
		GridBagConstraints c = new GridBagConstraints();
		c.fill = GridBagConstraints.BOTH;
		c.gridx = 1;
		c.weightx = .1;
		c.weighty = 1;
		this.drawing_area.setBackground(Color.white);
		this.content_panel.add(this.drawing_area, c);
		this.drawing_area.setVisible(true);
	}
	
	private void init_left()
	{
		this.left_area = new Container();
		GridBagConstraints left_c = new GridBagConstraints();
		left_c.gridx = 0;
		left_c.weighty = 1;
		left_c.insets = new Insets(10, 10, 10, 10);
		this.content_panel.add(this.left_area, left_c);
		this.left_layout = new GridBagLayout();
		this.left_area.setLayout(left_layout);
		init_color();
		GridBagConstraints c_c = new GridBagConstraints();
		c_c.insets = new Insets(10,0,10,0);
		c_c.gridy = 0;
		c_c.anchor = GridBagConstraints.WEST;
		this.left_area.add(this.color_container, c_c);
		GridBagConstraints w_c = new GridBagConstraints();
		w_c.insets = new Insets(10,0,10,0);
		w_c.gridy = 1;
		w_c.anchor = GridBagConstraints.WEST;
		init_width();
		this.left_area.add(this.width_container, w_c);
		
		GridBagConstraints i_c = new GridBagConstraints();
		i_c.gridy = 2;
		i_c.insets = new Insets(10,0,10,0);
		i_c.anchor = GridBagConstraints.EAST;
		init_invert();
		this.left_area.add(this.invert_container, i_c);
	}
	
	private void init_color()
	{
		ButtonGroup bg = new ButtonGroup();
		this.color_container = new Container();
		GridLayout g = new GridLayout(4,1);
		this.color_container.setLayout(g);
		black = new JRadioButton("black", true);
		blue = new JRadioButton("blue");
		red = new JRadioButton("red");
		JLabel label = new JLabel("Color");
		this.color_container.add(label);
		this.color_container.add(black);
		this.color_container.add(blue);
		this.color_container.add(red);
		bg.add(black);
		bg.add(blue);
		bg.add(red);
		black.setActionCommand("black");
		blue.setActionCommand("blue");
		red.setActionCommand("red");
		black.addActionListener(this);
		blue.addActionListener(this);
		red.addActionListener(this);
		this.color_container.setVisible(true);
	}
	
	private void init_width()
	{
		this.width_container = new Container();
		GridLayout g = new GridLayout(2,1);
		this.width_container.setLayout(g);
		JLabel width = new JLabel("Width");
		this.width_slider = new JSlider(JSlider.HORIZONTAL, 0, 20, 10);
		this.width_slider.addChangeListener(this);
		width_slider.setMajorTickSpacing(10);
		width_slider.setMinorTickSpacing(1);
		width_slider.setPaintTicks(true);
		width_slider.setPaintLabels(true);
		this.width_container.add(width);
		this.width_container.add(this.width_slider);
		this.width_container.setVisible(true);
	}
	
	private void init_invert()
	{
		this.invert_label = new JLabel("Invert Color");
		this.invert_button = new JButton("Invert");
		this.invert_container = new Container();
		
		GridBagLayout g = new GridBagLayout();
		this.invert_container.setLayout(g);
		
		GridBagConstraints lc = new GridBagConstraints();
		lc.gridy = 0;
		
		GridBagConstraints bc = new GridBagConstraints();
		bc.gridy = 1;
		this.invert_container.add(this.invert_label, lc);
		this.invert_container.add(this.invert_button, bc);
		this.invert_button.setActionCommand("invert");
		this.invert_button.addActionListener(this);
	}
	
	//radio buttons
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource() == black)
			this.drawing_area.SetColor(Color.black);
		else if(e.getSource() == blue)
			this.drawing_area.SetColor(Color.blue);
		else if(e.getSource() == blue)
			this.drawing_area.SetColor(Color.red);
		else if(e.getSource() == this.invert_button)
		{
			Color c = this.drawing_area.GetColor();
			Color new_c = new Color((255 - c.getRed()),
											(255 - c.getGreen()),
											(255 - c.getBlue()));
			this.drawing_area.SetColor(new_c);
		}
		this.drawing_area.repaint();
	}
	
	//slider
	public void stateChanged(ChangeEvent e)
	{
		if(e.getSource() == this.width_slider)
			this.drawing_area.SetWidth(this.width_slider.getValue());
		this.drawing_area.repaint();
	}
}