StatusKey.java

package net.squiz.matrix.ui;

import javax.swing.*;
import java.awt.*;
import java.awt.image.*;
import javax.swing.border.*;
import net.squiz.matrix.core.*;

public class StatusKey extends JPanel implements MatrixConstants {

    public static final int KEY_SIZE = 15;
    public static final Color KEY_BORDER = new Color(0xCCCCCC);
    public static final Font keyFont = new Font("key_font", Font.PLAIN, 10);
    public static final Dimension fillerSize = new Dimension(1, 1);

    public StatusKey() {
        createKey();
        setBackground(Color.white);
        setBorder(new EmptyBorder(3, 3, 3, 3));
        setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
        setMinimumSize(new Dimension(0,0));
        setMaximumSize(new Dimension(0,200));
        setPreferredSize(new Dimension(0,200));
    }

    private void createKey() {
        add(createColourKey(ARCHIVED_COLOUR, "Archived"));
        add(createColourKey(UNDER_CONSTRUCTION_COLOUR, "Under Construction"));
        add(createColourKey(PENDING_APPROVAL_COLOUR, "Pending Approval"));
        add(createColourKey(APPROVED_COLOUR, "Approved"));
        add(createColourKey(LIVE_COLOUR, "Live"));
        add(createColourKey(LIVE_APPROVAL_COLOUR, "Up For Review"));
        add(createColourKey(EDITING_COLOUR, "Safe Editing"));
        add(createColourKey(EDITING_APPROVAL_COLOUR, "Safe Edit Pending Approval"));
        add(createColourKey(EDITING_APPROVED_COLOUR, "Safe Edit Approved"));
    }

    private JLabel createColourKey(Color c, String labelText) {
        JLabel label = new JLabel(labelText);
        label.setIcon(createIcon(c));
        label.setFont(keyFont);

        add(new Box.Filler(fillerSize, fillerSize, fillerSize));

        return label;
    }

    private Icon createIcon(Color c) {

        BufferedImage image = new BufferedImage(KEY_SIZE, KEY_SIZE, BufferedImage.TYPE_INT_RGB);
        Graphics g = image.createGraphics();

        g.setColor(c);
        g.fillRect(0, 0, KEY_SIZE, KEY_SIZE);
        g.setColor(c.darker());
        g.drawRect(0, 0, KEY_SIZE - 1, KEY_SIZE - 1);
        g.dispose();
        ImageIcon icon = new ImageIcon(image);

        return icon;
    }
}