@Override
public void add(
final WorkbenchPanelPresenter.View newPanel,
final WorkbenchPanelPresenter.View targetPanel,
final Integer preferredSize,
final Integer preferredMinSize) {
final Widget parent = targetPanel.asWidget().getParent();
if (parent instanceof SimplePanel) {
final SimplePanel sp = (SimplePanel) parent;
final HorizontalSplitterPanel hsp =
factory.newHorizontalSplitterPanel(
newPanel, targetPanel, Position.EAST, preferredSize, preferredMinSize);
sp.clear();
sp.setWidget(hsp);
// Adding an additional embedded ScrollPanel can cause scroll-bars to disappear
// so ensure we set the sizes of the new Panel and it's children after the
// browser has added the new DIVs to the HTML tree. This does occasionally
// add slight flicker when adding a new Panel.
scheduleResize(hsp);
}
}
@Override
public void remove(WorkbenchPanelPresenter.View panel) {
final HorizontalSplitterPanel vsp =
(HorizontalSplitterPanel) panel.asWidget().getParent().getParent().getParent();
final Widget parent = vsp.getParent();
final Widget westWidget = vsp.getWidget(Position.WEST);
vsp.clear();
// Set parent's content to the WEST widget
if (parent instanceof SimplePanel) {
((SimplePanel) parent).setWidget(westWidget);
}
if (westWidget instanceof RequiresResize) {
scheduleResize((RequiresResize) westWidget);
}
}