@Override
public void removePerspectiveModel(MPerspective persp, MWindow window) {
// pick a new perspective to become active (if any)
MUIElement psElement = persp.getParent();
MPerspectiveStack ps = (MPerspectiveStack) psElement;
boolean foundNewSelection = false;
if (ps.getSelectedElement() == persp) {
for (MPerspective p : ps.getChildren()) {
if (p != persp && p.isToBeRendered()) {
ps.setSelectedElement(p);
foundNewSelection = true;
break;
}
}
if (!foundNewSelection) {
ps.setSelectedElement(null);
}
}
// Remove transient elements (minimized stacks, detached windows)
resetPerspectiveModel(persp, window, false);
// unrender the perspective and remove it
persp.setToBeRendered(false);
ps.getChildren().remove(persp);
}
@Override
public void processContents(MElementContainer<MUIElement> element) {
if (element.getChildren().isEmpty()) return;
MPerspectiveStack perspectiveStack = (MPerspectiveStack) (MElementContainer<?>) element;
MPerspective selectedPerspective = perspectiveStack.getSelectedElement();
if (selectedPerspective == null) {
selectedPerspective = (MPerspective) findFirstRenderableAndVisibleElement(perspectiveStack);
if (selectedPerspective != null) switchPerspective(selectedPerspective);
} else if (!selectedPerspective.isToBeRendered() || !selectedPerspective.isVisible()) {
selectedPerspective = (MPerspective) findFirstRenderableAndVisibleElement(perspectiveStack);
if (selectedPerspective != null) switchPerspective(selectedPerspective);
else perspectiveStack.setSelectedElement(null);
} else {
// reset selected element (set selected element handler will work)
perspectiveStack.setSelectedElement(null);
switchPerspective(selectedPerspective);
}
refreshPerspectiveStackVisibility(perspectiveStack);
}
@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));
}
}
