kske/chess
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Improved close button UI

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This commit is contained in:
Kai S. K. Engelbart
2019-12-11 21:23:35 +01:00
parent baf55a4c96
commit 9a4d9121de
1 changed files with 63 additions and 8 deletions
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71
src/dev/kske/chess/ui/GameTabComponent.java
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@@ -1,11 +1,20 @@
package dev.kske.chess.ui;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.plaf.basic.BasicButtonUI;
/**
* Project: <strong>Chess</strong><br>
@@ -16,14 +25,17 @@ import javax.swing.JTabbedPane;
*/
public class GameTabComponent extends JPanel {
private final JTabbedPane tabbedPane;
private static final long serialVersionUID = 9022979950018125935L;
public GameTabComponent(JTabbedPane tabbedPane) {
super(new FlowLayout(FlowLayout.LEFT, 0, 0));
if (tabbedPane == null) throw new NullPointerException("TabbedPane is null");
this.tabbedPane = tabbedPane;
// Create title JLabel
add(new JLabel() {
JLabel label = new JLabel() {
private static final long serialVersionUID = 7902391411509551586L;
@@ -32,13 +44,56 @@ public class GameTabComponent extends JPanel {
int i = tabbedPane.indexOfTabComponent(GameTabComponent.this);
return i != -1 ? tabbedPane.getTitleAt(i) : "";
}
});
};
label.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 5));
add(label);
JButton btnClose = new JButton("Close");
btnClose.addActionListener((evt) -> {
int i = tabbedPane.indexOfTabComponent(GameTabComponent.this);
if (i != -1) tabbedPane.remove(i);
});
add(btnClose);
// Create close JButton
add(new TabButton());
setBorder(BorderFactory.createEmptyBorder(2, 0, 0, 0));
}
private class TabButton extends JButton {
private static final long serialVersionUID = -2757857832337636731L;
public TabButton() {
final int size = 17;
setPreferredSize(new Dimension(size, size));
setToolTipText("Close this tab");
setUI(new BasicButtonUI());
setContentAreaFilled(false);
setFocusable(false);
setBorder(BorderFactory.createEtchedBorder());
setBorderPainted(false);
addMouseListener(new MouseAdapter() {
@Override
public void mouseEntered(MouseEvent evt) { setBorderPainted(true); }
@Override
public void mouseExited(MouseEvent evt) { setBorderPainted(false); }
});
setRolloverEnabled(true);
addActionListener((evt) -> { int i = tabbedPane.indexOfTabComponent(GameTabComponent.this); if (i != -1) tabbedPane.remove(i); });
}
@Override
public void updateUI() {}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g.create();
// shift the image for pressed buttons
if (getModel().isPressed()) { g2.translate(1, 1); }
g2.setStroke(new BasicStroke(2));
g2.setColor(Color.BLACK);
if (getModel().isRollover()) { g2.setColor(Color.MAGENTA); }
final int delta = 6;
g2.drawLine(delta, delta, getWidth() - delta - 1, getHeight() - delta - 1);
g2.drawLine(getWidth() - delta - 1, delta, delta, getHeight() - delta - 1);
g2.dispose();
}
}
}