@Override
public boolean isPartVisible(MPart part) {
if (isInContainer(part)) {
MUIElement element = part;
MElementContainer<?> parent = part.getParent();
if (parent == null) {
// might be a shared part
element = part.getCurSharedRef();
if (element == null) {
return false;
}
parent = element.getParent();
if (parent == null) {
return false;
}
}
if (parent instanceof MPartStack) {
return parent.getSelectedElement() == element;
}
return element.isVisible();
}
return false;
}
private Object safeCreateGui(MUIElement element) {
// Obtain the necessary parent widget
Object parent = null;
MUIElement parentME = element.getParent();
if (parentME == null) parentME = (MUIElement) ((EObject) element).eContainer();
if (parentME != null) {
AbstractPartRenderer renderer = getRendererFor(parentME);
if (renderer != null) {
if (!element.isVisible()) {
parent = getLimboShell();
} else {
parent = renderer.getUIContainer(element);
}
}
}
// Obtain the necessary parent context
IEclipseContext parentContext = null;
if (element.getCurSharedRef() != null) {
MPlaceholder ph = element.getCurSharedRef();
parentContext = getContext(ph.getParent());
} else if (parentContext == null && element.getParent() != null) {
parentContext = getContext(element.getParent());
} else if (parentContext == null && element.getParent() == null) {
parentContext = getContext((MUIElement) ((EObject) element).eContainer());
}
return safeCreateGui(element, parent, parentContext);
}
/** @param parent */
private void setStackVisibility(MElementContainer<MUIElement> parent) {
for (MUIElement child : parent.getChildren()) {
if (child.isToBeRendered() && child.isVisible()) {
parent.setToBeRendered(true);
return;
}
}
parent.setToBeRendered(false);
// continue modifying the visibility as the parent's parent may also
// need to be hidden from the user
setStackVisibility(parent.getParent());
}
@Override
public Image getImage(Object element, Display display) {
if (element instanceof MUIElement) {
MUIElement uiElement = (MUIElement) element;
if (uiElement.isToBeRendered() && uiElement.isVisible()) {
return createImage(ResourceProvider.IMG_WizardDialog);
} else {
return createImage(ResourceProvider.IMG_Tbr_WizardDialog);
}
}
return null;
}
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 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)));
}
private void showElementRecursive(MUIElement element) {
if (!element.isToBeRendered()) {
return;
}
if (element instanceof MPlaceholder && element.getWidget() != null) {
MPlaceholder ph = (MPlaceholder) element;
MUIElement ref = ph.getRef();
if (ref.getCurSharedRef() != ph) {
ref.setCurSharedRef(ph);
WPlaceholderWidget placeholder = (WPlaceholderWidget) ph.getWidget();
@SuppressWarnings("unchecked")
WLayoutedWidget<MUIElement> content = (WLayoutedWidget<MUIElement>) ref.getWidget();
placeholder.setContent(content);
}
element = ref;
}
if (element instanceof MContext) {
IEclipseContext context = ((MContext) element).getContext();
if (context != null) {
IEclipseContext newParentContext = modelService.getContainingContext(element);
if (context.getParent() != newParentContext) {
context.setParent(newParentContext);
}
}
}
if (element instanceof MWindow && element.getWidget() != null) {
int visCount = 0;
for (MUIElement kid : ((MWindow) element).getChildren()) {
if (kid.isToBeRendered() && kid.isVisible()) visCount++;
}
if (visCount > 0) element.setVisible(true);
}
if (element instanceof MGenericStack) {
MGenericStack<?> container = (MGenericStack<?>) element;
MUIElement curSel = container.getSelectedElement();
if (curSel == null && container.getChildren().size() > 0) {
curSel = container.getChildren().get(0);
}
if (curSel != null) {
showElementRecursive(curSel);
}
} else if (element instanceof MElementContainer<?>) {
MElementContainer<?> container = (MElementContainer<?>) element;
for (MUIElement childElement : container.getChildren().toArray(new MUIElement[0])) {
showElementRecursive(childElement);
}
// OK, now process detached windows
if (element instanceof MWindow) {
for (MWindow w : ((MWindow) element).getWindows()) {
showElementRecursive(w);
}
} else if (element instanceof MPerspective) {
for (MWindow w : ((MPerspective) element).getWindows()) {
showElementRecursive(w);
}
}
}
}
private void showElementRecursive(MUIElement element) {
if (!element.isToBeRendered()) return;
if (element instanceof MPlaceholder && element.getWidget() != null) {
MPlaceholder ph = (MPlaceholder) element;
MUIElement ref = ph.getRef();
ref.setCurSharedRef(ph);
ComponentContainer phComponent = (ComponentContainer) ph.getWidget();
Component refComponent = (Component) ph.getRef().getWidget();
phComponent.addComponent(refComponent);
element = ref;
// top right folder
MPartStack topLeftStack = HierarchyUtils.findTopLeftFolder(ph.getRef());
if (topLeftStack != null) {
if (ph.getTags().contains(IPresentationEngine.MAXIMIZED))
((StackWidget) topLeftStack.getWidget()).setState(1);
else if (ph.getTags().contains(IPresentationEngine.MINIMIZED))
((StackWidget) topLeftStack.getWidget()).setState(-1);
else ((StackWidget) topLeftStack.getWidget()).setState(0);
}
}
if (element instanceof MContext) {
IEclipseContext context = ((MContext) element).getContext();
if (context != null) {
IEclipseContext newParentContext = modelService.getContainingContext(element);
if (context.getParent() != newParentContext) {
context.setParent(newParentContext);
}
}
}
// Show any floating windows
if (element instanceof MWindow && element.getWidget() != null) {
int visCount = 0;
for (MUIElement kid : ((MWindow) element).getChildren()) {
if (kid.isToBeRendered() && kid.isVisible()) visCount++;
}
if (visCount > 0) element.setVisible(true);
}
if (element instanceof MElementContainer<?>) {
MElementContainer<?> container = (MElementContainer<?>) element;
List<MUIElement> kids = new ArrayList<MUIElement>(container.getChildren());
for (MUIElement childElement : kids) {
showElementRecursive(childElement);
}
// OK, now process detached windows
if (element instanceof MWindow) {
for (MWindow w : ((MWindow) element).getWindows()) {
showElementRecursive(w);
}
} else if (element instanceof MPerspective) {
for (MWindow w : ((MPerspective) element).getWindows()) {
showElementRecursive(w);
}
}
}
}