/**
* Returns the renderer.
*
* @param list The list of choices being rendered.
* @param value The {@link Completion} being rendered.
* @param index The index into <code>list</code> being rendered.
* @param selected Whether the item is selected.
* @param hasFocus Whether the item has focus.
*/
public Component getListCellRendererComponent(
JList list, Object value, int index, boolean selected, boolean hasFocus) {
super.getListCellRendererComponent(list, value, index, selected, hasFocus);
setText("Foobar"); // Just something to give it proper height
this.list = list;
this.selected = selected;
if (value instanceof JavaSourceCompletion) {
jsc = (JavaSourceCompletion) value;
nonJavaCompletion = null;
setIcon(jsc.getIcon());
} else {
jsc = null;
nonJavaCompletion = (Completion) value;
setIcon(null); // TODO: emptyIcon
}
evenRow = (index & 1) == 0;
if (altBG != null && evenRow && !selected) {
setBackground(altBG);
}
return this;
}
protected void paintComponent(Graphics g) {
// Set up rendering hints to look as close to native as possible
Graphics2D g2d = (Graphics2D) g;
Object old = null;
// First, try to use the rendering hint set that is "native".
Map hints = (Map) getToolkit().getDesktopProperty("awt.font.desktophints");
if (hints != null) {
old = g2d.getRenderingHints();
g2d.addRenderingHints(hints);
}
// If a "native" set isn't found, just turn on standard text AA.
else {
old = g2d.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING);
g2d.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
}
// if (jsc!=null) {
// setText(null); // Stop "Foobar" from being painted
// }
// We never paint "selection" around the icon, to imitate Eclipse
final int iconW = 18;
int h = getHeight();
if (!selected) {
g.setColor(getBackground());
g.fillRect(0, 0, getWidth(), h);
} else {
g.setColor(altBG != null && evenRow ? altBG : list.getBackground());
g.fillRect(0, 0, iconW, h);
g.setColor(getBackground()); // Selection color
g.fillRect(iconW, 0, getWidth() - iconW, h);
}
if (getIcon() != null) {
int y = (h - getIcon().getIconHeight()) / 2;
getIcon().paintIcon(this, g, 0, y);
}
int x = getX() + iconW + 2;
g.setColor(selected ? list.getSelectionForeground() : list.getForeground());
if (jsc != null && !simpleText) {
jsc.rendererText(g, x, g.getFontMetrics().getHeight(), selected);
} else {
Completion c = jsc != null ? (Completion) jsc : nonJavaCompletion;
if (c != null) {
g.drawString(c.toString(), x, g.getFontMetrics().getHeight());
}
}
// Restore rendering hints appropriately.
if (hints != null) {
g2d.addRenderingHints((Map) old);
} else {
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, old);
}
}