public void paintIcon(Component c, Graphics g, int x, int y) {
Color color = c == null ? Color.GRAY : c.getBackground();
// In a compound sort, make each succesive triangle 20%
// smaller than the previous one.
int dx = (int) (size / 2 * Math.pow(0.8, priority));
int dy = descending ? dx : -dx;
// Align icon (roughly) with font baseline.
y = y + 5 * size / 6 + (descending ? -dy : 0);
int shift = descending ? 1 : -1;
g.translate(x, y);
// Right diagonal.
g.setColor(color.darker());
g.drawLine(dx / 2, dy, 0, 0);
g.drawLine(dx / 2, dy + shift, 0, shift);
// Left diagonal.
g.setColor(color.brighter());
g.drawLine(dx / 2, dy, dx, 0);
g.drawLine(dx / 2, dy + shift, dx, shift);
// Horizontal line.
if (descending) {
g.setColor(color.darker().darker());
} else {
g.setColor(color.brighter().brighter());
}
g.drawLine(dx, 0, 0, 0);
g.setColor(color);
g.translate(-x, -y);
}
// 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 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();
}
public void run() {
while (true) {
synchronized (semaphore) {
try {
semaphore.wait();
} catch (InterruptedException ex) {
}
}
Color origColor = c.getBackground();
for (int i = 0; i < flashCount; i++) {
c.setBackground(flashColor);
try {
Thread.currentThread().sleep(100);
} catch (Exception ex) {
}
c.setBackground(origColor);
}
}
}
/**
* Renders a table cell in the main JTable. As a TableCellRenderer, we have to implement this
* method, but we use it to colour different types of matches in different ways. Remember that
* this is run every time a cell is displayed on the screen, so it needs to be as fast as can be.
*
* @param table The table which needs rendering.
* @param value The object which needs rendering. For now, this can only be a Name object, but
* later on we might colour different types of cells in different ways.
* @param isSelected Is this cell selected, i.e. is the row selected?
* @param hasFocus Is this cell focused, i.e. is this individual cell selected?
* @param row The row coordinate of this cell.
* @param column The column coordinate of this cell.
* @return A component representing this cell.
*/
@Override
public Component getTableCellRendererComponent(
JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
// TODO: Check if we can get a saving out of this by just rendering a JLabel/JTextField
// directly.
Component c =
defTableCellRenderer.getTableCellRendererComponent(
table, value, isSelected, hasFocus, row, column);
// Set all backgrounds to white.
c.setBackground(Color.WHITE);
if (value == null) {
// Null values look null-ish.
c.setBackground(COLOR_NULL);
return c;
} else if (hasFocus) {
// ANY cell with focus should look focussed.
c.setBackground(COLOR_FOCUS);
return c;
} else if (Name.class.isAssignableFrom(value.getClass())) {
// Aha, a Name! Color it special.
Name name = (Name) value;
int str_length = name.toString().length();
if (currentMatch == null) {
// No current match? Then just colour blank cells blank,
// and unmatched name colours special so people know that
// they have been recognized as names.
if (str_length == 0) {
c.setBackground(COLOR_BLANK_CELL);
} else {
c.setBackground(COLOR_NAME_UNMATCHED);
}
} else {
// So which RowIndex is the match against?
RowIndex against = currentMatch.getAgainst();
// System.err.println("Checking against: " + against);
if (str_length == 0) {
// Mark blank cells as such.
c.setBackground(COLOR_BLANK_CELL);
} else if (against.hasName(name)) {
// Perfect match!
c.setBackground(COLOR_NAME_FULL_MATCH);
} else if (against.hasName(name.getGenus())) {
// Genus-match.
c.setBackground(COLOR_NAME_GENUS_MATCH);
} else {
// No match!
c.setBackground(COLOR_NAME_NO_MATCH);
}
}
} else {
// Not a name? Note that Strings will NOT make it here: we don't
// push Strings through this. So this is really just for later.
c.setBackground(COLOR_NULL);
}
// If the row is selected, make it darker.
if (isSelected) c.setBackground(c.getBackground().darker());
return c;
}
