public void handleEvent(Event event) {
Object changedObj = event.getProperty(UIEvents.EventTags.ELEMENT);
if (!(changedObj instanceof MTrimmedWindow)) return;
MTrimmedWindow window = (MTrimmedWindow) changedObj;
if (window.getWidget() == null) return;
String eventType = (String) event.getProperty(UIEvents.EventTags.TYPE);
if (UIEvents.EventTypes.ADD.equals(eventType)) {
MUIElement added = (MUIElement) event.getProperty(UIEvents.EventTags.NEW_VALUE);
if (added.isToBeRendered()) createGui(added, window.getWidget(), window.getContext());
} else if (UIEvents.EventTypes.REMOVE.equals(eventType)) {
MUIElement removed = (MUIElement) event.getProperty(UIEvents.EventTags.OLD_VALUE);
if (removed.getRenderer() != null) removeGui(removed);
}
}
public void handleEvent(Event event) {
MUIElement changedElement = (MUIElement) event.getProperty(UIEvents.EventTags.ELEMENT);
MUIElement parent = changedElement.getParent();
if (parent == null) {
parent = (MUIElement) ((EObject) changedElement).eContainer();
if (parent == null) {
return;
}
}
AbstractPartRenderer renderer = (AbstractPartRenderer) parent.getRenderer();
if (renderer == null || parent instanceof MToolBar) return;
// Re-parent the control based on the visible state
if (changedElement.isVisible()) {
if (changedElement.isToBeRendered()) {
if (changedElement.getWidget() instanceof Control) {
// Ensure that the control is under its 'real' parent if
// it's visible
Composite realComp = (Composite) renderer.getUIContainer(changedElement);
Control ctrl = (Control) changedElement.getWidget();
ctrl.setParent(realComp);
fixZOrder(changedElement);
}
if (parent instanceof MElementContainer<?>) {
renderer.childRendered((MElementContainer<MUIElement>) parent, changedElement);
}
}
} else {
// Put the control under the 'limbo' shell
if (changedElement.getWidget() instanceof Control) {
Control ctrl = (Control) changedElement.getWidget();
if (!(ctrl instanceof Shell)) {
ctrl.getShell().layout(new Control[] {ctrl}, SWT.DEFER);
}
ctrl.setParent(getLimboShell());
}
if (parent instanceof MElementContainer<?>) {
renderer.hideChild((MElementContainer<MUIElement>) parent, changedElement);
}
}
}
@Override
public void hideChild(MElementContainer<MUIElement> parentElement, MUIElement child) {
super.hideChild(parentElement, child);
// only handle the disposal of this element if it was actually rendered
// by the engine
if (child.getRenderer() != null) {
// Since there's no place to 'store' a child that's not in a menu
// we'll blow it away and re-create on an add
Widget widget = (Widget) child.getWidget();
if (widget != null && !widget.isDisposed()) {
widget.dispose();
}
ToolBar toolbar = (ToolBar) getUIContainer(child);
if (toolbar != null && !toolbar.isDisposed()) {
toolbar.pack(true);
toolbar.getShell().layout(new Control[] {toolbar}, SWT.DEFER);
}
// disposeToolbarIfNecessary(parentElement);
}
}
protected AbstractPartRenderer getRendererFor(MUIElement element) {
return (AbstractPartRenderer) element.getRenderer();
}