@Override
public void startContainerLayout(C container, M metawidget) {
super.startContainerLayout(container, metawidget);
State<C> state = getState(container, metawidget);
state.currentSection = null;
state.currentSectionWidget = null;
}
@Override
public void layoutWidget(
W widget, String elementName, Map<String, String> attributes, C container, M metawidget) {
// Stay where we are?
//
// Note: Ignore empty stubs. Do not create a new section in case it ends up being empty
String section = stripSection(attributes);
State<C> state = getState(container, metawidget);
if (isEmptyStub(widget) || section == null || section.equals(state.currentSection)) {
if (state.currentSectionWidget == null) {
super.layoutWidget(widget, elementName, attributes, container, metawidget);
} else {
super.layoutWidget(widget, elementName, attributes, state.currentSectionWidget, metawidget);
}
return;
}
// End current section
C previousSectionWidget = state.currentSectionWidget;
if (state.currentSectionWidget != null) {
super.endContainerLayout(state.currentSectionWidget, metawidget);
}
state.currentSection = section;
state.currentSectionWidget = null;
// No new section?
if ("".equals(section)) {
super.layoutWidget(widget, elementName, attributes, container, metawidget);
return;
}
// Start new section
state.currentSectionWidget =
createSectionWidget(previousSectionWidget, attributes, container, metawidget);
super.startContainerLayout(state.currentSectionWidget, metawidget);
// Add component to new section
super.layoutWidget(widget, elementName, attributes, state.currentSectionWidget, metawidget);
}
@Override
public void endContainerLayout(C container, M metawidget) {
// End hanging layouts
State<C> state = getState(container, metawidget);
if (state.currentSectionWidget != null) {
super.endContainerLayout(state.currentSectionWidget, metawidget);
}
super.endContainerLayout(container, metawidget);
state.currentSection = null;
state.currentSectionWidget = null;
}