private void resetPerspectiveModel(
MPerspective persp, MWindow window, boolean removeSharedPlaceholders) {
if (persp == null) {
return;
}
if (removeSharedPlaceholders) {
// Remove any views (Placeholders) from the shared area
EPartService ps = window.getContext().get(EPartService.class);
List<MArea> areas = findElements(window, null, MArea.class, null);
if (areas.size() == 1) {
MArea area = areas.get(0);
// Strip out the placeholders in visible stacks
List<MPlaceholder> phList = findElements(area, null, MPlaceholder.class, null);
for (MPlaceholder ph : phList) {
ps.hidePart((MPart) ph.getRef());
ph.getParent().getChildren().remove(ph);
}
// Prevent shared stacks ids from clashing with the ones in the perspective
List<MPartStack> stacks = findElements(area, null, MPartStack.class, null);
for (MPartStack stack : stacks) {
String generatedId = "PartStack@" + Integer.toHexString(stack.hashCode()); // $NON-NLS-1$
stack.setElementId(generatedId);
}
// Also remove any min/max tags on the area (or its placeholder)
MUIElement areaPresentation = area;
if (area.getCurSharedRef() != null) {
areaPresentation = area.getCurSharedRef();
}
areaPresentation.getTags().remove(IPresentationEngine.MAXIMIZED);
areaPresentation.getTags().remove(IPresentationEngine.MINIMIZED);
areaPresentation.getTags().remove(IPresentationEngine.MINIMIZED_BY_ZOOM);
}
}
// Remove any minimized stacks for this perspective
List<MTrimBar> bars = findElements(window, null, MTrimBar.class, null);
List<MToolControl> toRemove = new ArrayList<>();
for (MTrimBar bar : bars) {
for (MUIElement barKid : bar.getChildren()) {
if (!(barKid instanceof MToolControl)) {
continue;
}
String id = barKid.getElementId();
if (id != null && id.contains(persp.getElementId())) {
toRemove.add((MToolControl) barKid);
}
}
}
for (MToolControl toolControl : toRemove) {
// Close any open fast view
toolControl.setToBeRendered(false);
toolControl.getParent().getChildren().remove(toolControl);
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer#createWidget
* (org.eclipse.e4.ui.model.application.ui.MUIElement, java.lang.Object)
*/
@Override
public Object createWidget(final MUIElement element, Object parent) {
if (!(element instanceof MToolBar) || !(parent instanceof Composite)) return null;
final MToolBar toolbarModel = (MToolBar) element;
ToolBar newTB = createToolbar(toolbarModel, (Composite) parent);
bindWidget(element, newTB);
processContribution(toolbarModel, toolbarModel.getElementId());
Control renderedCtrl = newTB;
MUIElement parentElement = element.getParent();
if (parentElement instanceof MTrimBar) {
element.getTags().add("Draggable"); // $NON-NLS-1$
setCSSInfo(element, newTB);
boolean vertical = false;
MTrimBar bar = (MTrimBar) parentElement;
vertical = bar.getSide() == SideValue.LEFT || bar.getSide() == SideValue.RIGHT;
IEclipseContext parentContext = getContextForParent(element);
CSSRenderingUtils cssUtils = parentContext.get(CSSRenderingUtils.class);
if (cssUtils != null) {
renderedCtrl = (Composite) cssUtils.frameMeIfPossible(newTB, null, vertical, true);
}
}
return renderedCtrl;
}
@Override
public void hostElement(
MUIElement element, MWindow hostWindow, Object uiContainer, IEclipseContext hostContext) {
// This is subtle; unless the element is hooked into the model it won't fire events
hostWindow.getSharedElements().add(element);
element.getTags().add(HOSTED_ELEMENT);
IPresentationEngine renderer = hostWindow.getContext().get(IPresentationEngine.class);
renderer.createGui(element, uiContainer, hostContext);
}
@Override
public void handleEvent(Event event) {
final MUIElement changedElement = (MUIElement) event.getProperty(EventTags.ELEMENT);
if (!changedElement.getTags().contains(HOSTED_ELEMENT)) {
return;
}
if (changedElement.getWidget() != null) {
return;
}
EObject eObj = (EObject) changedElement;
if (!(eObj.eContainer() instanceof MWindow)) {
return;
}
MWindow hostingWindow = (MWindow) eObj.eContainer();
hostingWindow.getSharedElements().remove(changedElement);
changedElement.getTags().remove(HOSTED_ELEMENT);
}
public void handleEvent(Event event) {
MUIElement changedElement = (MUIElement) event.getProperty(UIEvents.EventTags.ELEMENT);
MElementContainer<?> parent = changedElement.getParent();
// Handle Detached Windows
if (parent == null) {
parent = (MElementContainer<?>) ((EObject) changedElement).eContainer();
}
boolean menuChild = parent instanceof MMenu;
// If the parent isn't displayed who cares?
if (!(parent instanceof MApplication)
&& (parent == null || parent.getWidget() == null || menuChild)) return;
if (changedElement.isToBeRendered()) {
Activator.trace(Policy.DEBUG_RENDERER, "visible -> true", null); // $NON-NLS-1$
// Note that the 'createGui' protocol calls 'childAdded'
Object w = createGui(changedElement);
if (w instanceof Control && !(w instanceof Shell)) {
fixZOrder(changedElement);
}
} else {
Activator.trace(Policy.DEBUG_RENDERER, "visible -> false", null); // $NON-NLS-1$
// Ensure that the element about to be removed is not the
// selected element
if (parent.getSelectedElement() == changedElement) parent.setSelectedElement(null);
// Un-maximize the element before tearing it down
if (changedElement.getTags().contains(MAXIMIZED))
changedElement.getTags().remove(MAXIMIZED);
// Note that the 'removeGui' protocol calls 'childRemoved'
removeGui(changedElement);
}
}
@Override
public boolean isHostedElement(MUIElement element, MWindow hostWindow) {
MUIElement curElement = element;
while (curElement != null && !curElement.getTags().contains(HOSTED_ELEMENT)) {
if (curElement.getCurSharedRef() != null) {
curElement = curElement.getCurSharedRef();
} else {
curElement = curElement.getParent();
}
}
if (curElement == null) {
return false;
}
return hostWindow.getSharedElements().contains(curElement);
}
