FrameBorder.java

package edu.revtek.javax;

import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import java.util.*;
import java.util.List;

public class FrameBorder extends AbstractBorder {

	private JFrame frame;
	private int padding;
	private List<AbstractComponent> components = new LinkedList<>();

	public FrameBorder(JFrame frame) {
		this.frame = frame;
		padding = getBorderInsets(null).left;
		components.add(new Label(new Font(Font.SANS_SERIF, Font.PLAIN, 13), "ROBOTEK"));
		components.add(new HorizontalStrut(this));
		components.add(new SystemButton(SystemButton.TYPE_MINIMIZE));
		components.add(new SystemButton(SystemButton.TYPE_MAXIMIZE));
		components.add(new SystemButton(SystemButton.TYPE_CLOSE));
	}

	@Override
	public Insets getBorderInsets(java.awt.Component c, Insets insets) {
		return new Insets(40, 4, 4, 4);
	}

	@Override
	public void paintBorder(java.awt.Component c, Graphics g1, int x, int y, int width, int height) {
		Graphics2D g = (Graphics2D) g1;
		g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
		Rectangle border = new Rectangle(0, 0, width, height);
		g.clip(border);
		/**
		 * Fill Border
		 */
		g.setColor(new Color(20, 20, 20));
		g.fill(border);
		/**
		 * Draw TitleBar
		 */
		Insets insets = getBorderInsets(c);
		int titleHeight = insets.top - insets.bottom;
		Rectangle title = new Rectangle(x, y, width, titleHeight);
		g.setPaint(new GradientPaint(x, y, new Color(60, 60, 60), x, titleHeight, new Color(40, 40, 40)));
		g.fill(title);
		/**
		 * Draw TitleBar Outline
		 */
		g.setColor(Color.BLACK);
		title.setBounds(0, 0, width - 1, titleHeight - 1);
		g.draw(title);
		/**
		 * Draw Outline
		 */
		g.setColor(Color.BLACK);
		border.setBounds(0, 0, width - 1, height - 1);
		g.draw(border);
		/**
		 * Draw TitleBar Components
		 */
		int x1 = x + padding * 2, y1 = padding;
		for (AbstractComponent component : components) {
			component.paint(g, x1, y1, component.getWidth(), component.getHeight());
			x1 += component.getWidth() + padding;
		}
		/**
		 * Dispose
		 */
		g.dispose();
	}

	private void drawString(Graphics2D g, Rectangle bounds, String s) {
		FontMetrics fm = g.getFontMetrics();
		int x = bounds.x;
		int y = bounds.y;
		x += (bounds.width / 2);
		y += (bounds.height / 2);
		x -= (fm.stringWidth(s) / 2);
		y += (fm.getAscent() / 2);
		g.drawString(s, x, y);
	}

	public int getPadding() {
		return padding;
	}

	public void setPadding(int padding) {
		this.padding = padding;
	}

	public List<AbstractComponent> getComponents() {
		return components;
	}

	public void setComponents(List<AbstractComponent> components) {
		this.components = components;
	}

	public JFrame getFrame() {
		return frame;
	}

	private static class SystemButton extends AbstractComponent {

		private static final int TYPE_CLOSE = 0;
		private static final int TYPE_MAXIMIZE = 1;
		private static final int TYPE_MINIMIZE = 2;
		private final int type;

		public SystemButton(int type) {
			super(25, 25);
			this.type = type;
		}

		@Override
		public void paint(Graphics g, int x, int y, int width, int height) {
			g.setColor(new Color(255, 255, 255, 100));
			g.fillRoundRect(x, y, width, height, 10, 10);
			switch (type) {
				case TYPE_CLOSE:
					break;
				case TYPE_MAXIMIZE:
					break;
				case TYPE_MINIMIZE:
					break;
			}
		}

	}

}