@Override
protected int getMaxAvailablePageWidth(
JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
Insets insets = list.getInsets(); // OWLFrameList.ITEM_BORDER.getBorderInsets();
int componentWidth = list.getWidth();
JViewport vp = (JViewport) SwingUtilities.getAncestorOfClass(JViewport.class, list);
if (vp != null) {
componentWidth = vp.getViewRect().width;
}
return componentWidth
- list.getInsets().left
- list.getInsets().right
- insets.left
+ insets.right
- 20;
}
private static int getListBaseline(JList list, int height) {
int rowHeight = list.getFixedCellHeight();
if (LIST_LABEL == null) {
LIST_LABEL = new JLabel("X");
LIST_LABEL.setBorder(new EmptyBorder(1, 1, 1, 1));
}
JLabel label = LIST_LABEL;
label.setFont(list.getFont());
// JList actually has much more complex behavior here.
// If rowHeight != -1 the rowHeight is either the max of all cell
// heights (layout orientation != VERTICAL), or is variable depending
// upon the cell. We assume a default size.
// We could theoretically query the real renderer, but that would
// not work for an empty model and the results may vary with
// the content.
if (rowHeight == -1) {
rowHeight = label.getPreferredSize().height;
}
return getLabelBaseline(label, rowHeight) + list.getInsets().top;
}