@Override
public void layoutContents(final UIContainer container) {
rebuildGrid(container);
grid.updateMinimalSize();
final int height = grid.minHeight;
final int heightDiff =
container.getContentHeight() > height ? container.getContentHeight() - height : 0;
int rowHeightDiff = heightDiff;
switch (verticalAlignment) {
case TOP:
rowHeightDiff = heightDiff;
break;
case MIDDLE:
rowHeightDiff = heightDiff / 2;
break;
case BOTTOM:
rowHeightDiff = 0;
break;
default:
rowHeightDiff = heightDiff;
}
for (final LayoutComponent lc : grid.components) {
if (fillVerticalSpace) {
rowHeightDiff = Math.round(heightDiff * (1f - (float) lc.firstRow / grid.maxRow));
}
lc.component.setLocalXY(
grid.columnOffsets[lc.firstColumn],
rowHeightDiff + height - grid.rowOffsets[lc.firstRow] - lc.getComponentHeight());
if (lc.grow) {
lc.component.setLocalComponentWidth(grid.getCellsWidth(lc.firstColumn, lc.lastColumn));
}
}
}
private void rebuildGrid(final UIContainer container) {
final List<Spatial> content = container.getChildren();
grid = new LayoutGrid();
for (final Spatial spatial : content) {
if (spatial instanceof UIComponent) {
final UIComponent c = (UIComponent) spatial;
grid.add(c);
}
}
}
@Override
public void updateMinimumSizeFromContents(final UIContainer container) {
rebuildGrid(container);
grid.updateMinimalSize();
container.setMinimumContentSize(grid.minWidth, grid.minHeight);
}