// Overridden for performance reasons. ---->
@Override
public boolean isOpaque() {
Color back = getBackground();
Component p = getParent();
if (Objects.nonNull(p)) {
p = p.getParent();
} // p should now be the JTable.
boolean colorMatch =
Objects.nonNull(back)
&& Objects.nonNull(p)
&& back.equals(p.getBackground())
&& p.isOpaque();
return !colorMatch && super.isOpaque();
}
@Override
public void updateUI() {
if (Objects.nonNull(cbml)) {
JList<?> list = getList();
if (Objects.nonNull(list)) {
list.removeMouseListener(cbml);
list.removeMouseMotionListener(cbml);
}
}
super.updateUI();
setRenderer(new ButtonsRenderer<E>(this));
JList<?> list = getList();
if (Objects.nonNull(list)) {
cbml = new CellButtonsMouseListener();
list.addMouseListener(cbml);
list.addMouseMotionListener(cbml);
}
}
@Override
public void mousePressed(MouseEvent e) {
JList list = (JList) e.getComponent();
Point pt = e.getPoint();
int index = list.locationToIndex(pt);
if (index >= 0) {
JButton button = getButton(list, pt, index);
if (Objects.nonNull(button)) {
listRepaint(list, list.getCellBounds(index, index));
}
}
}
@Override
public void mouseMoved(MouseEvent e) {
JList list = (JList) e.getComponent();
Point pt = e.getPoint();
int index = list.locationToIndex(pt);
if (!list.getCellBounds(index, index).contains(pt)) {
if (prevIndex >= 0) {
Rectangle r = list.getCellBounds(prevIndex, prevIndex);
listRepaint(list, r);
}
index = -1;
prevButton = null;
return;
}
if (index >= 0) {
JButton button = getButton(list, pt, index);
ButtonsRenderer renderer = (ButtonsRenderer) list.getCellRenderer();
if (Objects.nonNull(button)) {
renderer.rolloverIndex = index;
if (!button.equals(prevButton)) {
Rectangle r = list.getCellBounds(prevIndex, index);
listRepaint(list, r);
}
} else {
renderer.rolloverIndex = -1;
Rectangle r = null;
if (prevIndex == index) {
if (prevIndex >= 0 && Objects.nonNull(prevButton)) {
r = list.getCellBounds(prevIndex, prevIndex);
}
} else {
r = list.getCellBounds(index, index);
}
listRepaint(list, r);
prevIndex = -1;
}
prevButton = button;
}
prevIndex = index;
}
@Override
public void mousePressed(MouseEvent e) {
// JList list = (JList) e.getComponent();
Point pt = e.getPoint();
int index = list.locationToIndex(pt);
if (index >= 0) {
JButton button = getButton(list, pt, index);
if (Objects.nonNull(button)) {
ButtonsRenderer renderer = (ButtonsRenderer) list.getCellRenderer();
renderer.pressedIndex = index;
renderer.button = button;
listRepaint(list, list.getCellBounds(index, index));
}
}
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
Graphics2D g2 = (Graphics2D) g.create();
g2.setPaint(Objects.nonNull(c) ? c.getBackground() : Color.WHITE);
g2.fillRect(x, y, getIconWidth(), getIconHeight());
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(ELLIPSE_COLOR);
g2.translate(x, y);
int size = list.size();
for (int i = 0; i < size; i++) {
float alpha = isRunning ? (i + 1) / (float) size : .5f;
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
g2.fill(list.get(i));
}
// g2.translate(-x, -y);
g2.dispose();
}
@Override
public Component getListCellRendererComponent(
JList<? extends E> list, E value, int index, boolean isSelected, boolean cellHasFocus) {
label.setText(Objects.toString(value, ""));
this.index = index;
if (isSelected) {
setBackground(list.getSelectionBackground());
label.setForeground(list.getSelectionForeground());
} else {
setBackground(index % 2 == 0 ? EVEN_COLOR : list.getBackground());
label.setForeground(list.getForeground());
}
resetButtonStatus();
if (Objects.nonNull(button)) {
if (index == pressedIndex) {
button.getModel().setSelected(true);
button.getModel().setArmed(true);
button.getModel().setPressed(true);
} else if (index == rolloverIndex) {
button.getModel().setRollover(true);
}
}
return this;
}
private static void listRepaint(JList list, Rectangle rect) {
if (Objects.nonNull(rect)) {
list.repaint(rect);
}
}
@Override
public String getTipText() {
return Objects.nonNull(iconlabel) ? iconlabel.getText() : "";
}
