void handleChildAddition(MPerspectiveStack parent, MPerspective element) {
if (element.isToBeRendered() && element.isVisible()) {
int idx = getRenderedIndex(parent, element);
AbstractRenderer<MPerspective, ?> renderer = factory.getRenderer(element);
WPerspectiveStack<N, I, IC> stack = getWidget(parent);
WStackItem<I, IC> item = createStackItem(getWidget(parent), element, renderer);
stack.addItems(idx, Collections.singletonList(item));
}
}
@Override
public void childRendered(MPerspectiveStack parentElement, MUIElement element) {
if (inLazyInit || inContentProcessing(parentElement) || !element.isVisible()) {
return;
}
WPerspectiveStack<N, I, IC> stack = getWidget(parentElement);
for (WStackItem<I, IC> i : stack.getItems()) {
if (i.getDomElement() == element) {
return;
}
}
int idx = getRenderedIndex(parentElement, element);
AbstractRenderer<MPerspective, ?> renderer = factory.getRenderer(element);
stack.addItems(
idx, Collections.singletonList(createStackItem(stack, (MPerspective) element, renderer)));
}
@Override
public void doProcessContent(MPerspectiveStack element) {
WPerspectiveStack<N, I, IC> stack = getWidget(element);
List<WStackItem<I, IC>> items = new ArrayList<WStackItem<I, IC>>();
WStackItem<I, IC> initalItem = null;
for (MPerspective e : element.getChildren()) {
// Precreate the rendering context for the subitem
AbstractRenderer<MPerspective, ?> renderer = factory.getRenderer(e);
if (renderer != null && e.isToBeRendered() && e.isVisible()) {
WStackItem<I, IC> item = createStackItem(stack, e, renderer);
items.add(item);
if (e == element.getSelectedElement()) {
initalItem = item;
}
}
}
if (!items.isEmpty()) {
if (initalItem == null || items.size() == 1 || items.get(0) == initalItem) {
stack.addItems(items);
} else {
stack.addItem(initalItem);
if (items.get(items.size() - 1) == initalItem) {
stack.addItems(0, items.subList(0, items.size() - 1));
} else {
int idx = items.indexOf(initalItem);
stack.addItems(0, items.subList(0, idx));
stack.addItems(items.subList(idx + 1, items.size()));
}
}
}
if (element.getSelectedElement() != null) {
handleSelectedElement(element, null, element.getSelectedElement());
} else if (!element.getChildren().isEmpty()) {
// TODO Should this be done through the part service????
element.setSelectedElement(element.getChildren().get(0));
}
}