@Override
public void draw(SpriteBatch batch, float parentAlpha) {
Drawable background;
if (list != null && list.getParent() != null && style.backgroundOpen != null)
background = style.backgroundOpen;
else if (clickListener.isOver() && style.backgroundOver != null)
background = style.backgroundOver;
else background = style.background;
final BitmapFont font = style.font;
final Color fontColor = style.fontColor;
Color color = getColor();
float x = getX();
float y = getY();
float width = getWidth();
float height = getHeight();
batch.setColor(color.r, color.g, color.b, color.a * parentAlpha);
background.draw(batch, x, y, width, height);
if (items.length > 0) {
float availableWidth = width - background.getLeftWidth() - background.getRightWidth();
int numGlyphs =
font.computeVisibleGlyphs(
items[selectedIndex], 0, items[selectedIndex].length(), availableWidth);
bounds.set(font.getBounds(items[selectedIndex]));
height -= background.getBottomHeight() + background.getTopHeight();
float textY = (int) (height / 2 + background.getBottomHeight() + bounds.height / 2);
font.setColor(fontColor.r, fontColor.g, fontColor.b, fontColor.a * parentAlpha);
font.draw(
batch, items[selectedIndex], x + background.getLeftWidth(), y + textY, 0, numGlyphs);
}
// calculate screen coords where list should be displayed
getStage().toScreenCoordinates(screenCoords.set(x, y), batch.getTransformMatrix());
}
public void setText(String text) {
if (text == null) throw new IllegalArgumentException("text cannot be null.");
BitmapFont font = style.font;
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < text.length(); i++) {
if (maxLength > 0 && buffer.length() + 1 > maxLength) {
break;
}
char c = text.charAt(i);
if (font.containsCharacter(c) && (filter == null || filter.acceptChar(this, c)))
buffer.append(c);
}
this.text = buffer.toString();
updateDisplayText();
cursor = 0;
clearSelection();
textBounds.set(font.getBounds(displayText));
textBounds.height -= font.getDescent() * 2;
font.computeGlyphAdvancesAndPositions(displayText, glyphAdvances, glyphPositions);
}
