ViewPaintPanel.java

package edu.colostate.vchill.gui;


import edu.colostate.vchill.Config;
import edu.colostate.vchill.ScaleManager;
import edu.colostate.vchill.ViewControl;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;


public class ViewPaintPanel extends JPanel implements ItemListener {
    private final static ViewPaintPanel me = new ViewPaintPanel();
    private final ViewActions actions = new ViewActions();
    private final Config config = Config.getInstance();
    private final ViewControl vc = ViewControl.getInstance();
    private final ScaleManager sm = ScaleManager.getInstance();
    private final WindowManager wm = WindowManager.getInstance();
    private final JCheckBox annotationCheckBox;


    public static Boolean GreasePencilAnnotationEnabled = false;

    private static Color paintColor = new Color(255, 255, 255); //= new Color.black;

    // pen size in pixels
    private static int penSize = 2;


    public static JTextField PPIDisplayString;

    private JButton redButton;
    private JButton blackButton;
    private JButton greenButton;
    private JButton blueButton;

    private JButton clearButton;

    private JButton smallPenSizeButton;
    private JButton mediumPenSizeButton;
    private JButton largePenSizeButton;

    /**
     * This basic constructor will call the helper methods and setup the
     * size and layout of the inner components.  Private default constructor
     * prevents instantiation.
     */
    private ViewPaintPanel() {

        GreasePencilAnnotationEnabled = false;

        setLayout(new BorderLayout());

        JPanel panel = new JPanel();

        JPanel colorPanel = new JPanel();
        colorPanel.setLayout(new BoxLayout(colorPanel, BoxLayout.PAGE_AXIS));

        JPanel penSizePanel = new JPanel();

        JPanel checkBoxPanel = new JPanel();
        JPanel textFieldPanel = new JPanel();

        panel.setPreferredSize(new Dimension(70, 140));
        panel.setMinimumSize(new Dimension(40, 75));
        panel.setMaximumSize(new Dimension(40, 75));

        clearButton = new JButton("Clear");
        annotationCheckBox = new JCheckBox("Enable Annotation Capability");
        annotationCheckBox.addItemListener(this);

        clearButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                wm.clearAnnotationLayer();
                wm.replotOverlay();
                vc.rePlot();
            }
        });

        redButton = new JButton("Red");

        redButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                paintColor = new Color(Color.red.getRed(), Color.red.getGreen(), Color.red.getBlue());
            }
        });

        blackButton = new JButton("Black");


        blackButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                paintColor = new Color(Color.black.getRed(), Color.black.getGreen(), Color.black.getBlue());

                //paintColor = new Color(Color.black);
            }

        });

        blueButton = new JButton("Blue");

        blueButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                paintColor = new Color(Color.blue.getRed(), Color.blue.getGreen(), Color.blue.getBlue());
            }
        });

        greenButton = new JButton("Green");

        greenButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                paintColor = new Color(Color.green.getRed(), Color.green.getGreen(), Color.green.getBlue());
            }
        });


        smallPenSizeButton = new JButton("Small");
        smallPenSizeButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                penSize = 1;
            }
        });

        mediumPenSizeButton = new JButton("Medium");
        mediumPenSizeButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                penSize = 2;
            }
        });

        largePenSizeButton = new JButton("Large");
        largePenSizeButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                penSize = 4;
            }
        });
        PPIDisplayString = new JTextField(20);

        checkBoxPanel.add(annotationCheckBox);
        colorPanel.add(greenButton);
        colorPanel.add(blueButton);
        colorPanel.add(blackButton);
        colorPanel.add(redButton);
        checkBoxPanel.add(clearButton);

        penSizePanel.add(smallPenSizeButton);
        penSizePanel.add(mediumPenSizeButton);
        penSizePanel.add(largePenSizeButton);

        textFieldPanel.add(PPIDisplayString);


        blueButton.setEnabled(GreasePencilAnnotationEnabled);
        blackButton.setEnabled(GreasePencilAnnotationEnabled);
        greenButton.setEnabled(GreasePencilAnnotationEnabled);
        redButton.setEnabled(GreasePencilAnnotationEnabled);

        clearButton.setEnabled(GreasePencilAnnotationEnabled);

        smallPenSizeButton.setEnabled(GreasePencilAnnotationEnabled);
        mediumPenSizeButton.setEnabled(GreasePencilAnnotationEnabled);
        largePenSizeButton.setEnabled(GreasePencilAnnotationEnabled);
        PPIDisplayString.setEnabled(GreasePencilAnnotationEnabled);

        //add(panel, BorderLayout.CENTER); 
        add(colorPanel, BorderLayout.WEST);
        add(penSizePanel, BorderLayout.EAST);
        add(textFieldPanel, BorderLayout.SOUTH);
        add(checkBoxPanel, BorderLayout.NORTH);

        setVisible(true); 

        
    	
/*        setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
        add(new JSeparator()); //--------------------------------
        add(new JSeparator()); //--------------------------------
        add(new JSeparator()); //--------------------------------
*/
    }

    public static ViewPaintPanel getInstance() {
        return me;
    }

    public void itemStateChanged(ItemEvent e) {
        if (e.getStateChange() == ItemEvent.DESELECTED) {
            GreasePencilAnnotationEnabled = false;

        } else
            GreasePencilAnnotationEnabled = true;

        blueButton.setEnabled(GreasePencilAnnotationEnabled);
        blackButton.setEnabled(GreasePencilAnnotationEnabled);
        greenButton.setEnabled(GreasePencilAnnotationEnabled);
        redButton.setEnabled(GreasePencilAnnotationEnabled);

        clearButton.setEnabled(GreasePencilAnnotationEnabled);

        smallPenSizeButton.setEnabled(GreasePencilAnnotationEnabled);
        mediumPenSizeButton.setEnabled(GreasePencilAnnotationEnabled);
        largePenSizeButton.setEnabled(GreasePencilAnnotationEnabled);
        PPIDisplayString.setEnabled(GreasePencilAnnotationEnabled);

    }


    public static Color getPaintColor() {
        return paintColor;

    }

    public static int getPenSize() {
        return penSize;
    }

}