@Override
public void detach(MPartSashContainerElement element, int x, int y, int width, int height) {
// If we're showing through a placehoilder then detach it...
if (element.getCurSharedRef() != null) {
element = element.getCurSharedRef();
}
// Determine the correct parent for the new window
MWindow window = getTopLevelWindowFor(element);
MPerspective thePersp = getPerspectiveFor(element);
MTrimmedWindow newWindow = MBasicFactory.INSTANCE.createTrimmedWindow();
newWindow.setX(x);
newWindow.setY(y);
newWindow.setWidth(width);
newWindow.setHeight(height);
element.getParent().getChildren().remove(element);
MWindowElement uiRoot = wrapElementForWindow(element);
newWindow.getChildren().add(uiRoot);
if (thePersp != null) {
thePersp.getWindows().add(newWindow);
} else if (window != null) {
window.getWindows().add(newWindow);
}
}
@Override
public int countRenderableChildren(MUIElement element) {
if (!(element instanceof MElementContainer<?>)) {
return 0;
}
@SuppressWarnings("unchecked")
MElementContainer<MUIElement> container = (MElementContainer<MUIElement>) element;
int count = 0;
List<MUIElement> kids = container.getChildren();
for (MUIElement kid : kids) {
if (kid.isToBeRendered()) {
count++;
}
}
if (element instanceof MPerspective) {
MPerspective perspective = (MPerspective) element;
for (MWindow window : perspective.getWindows()) {
if (window.isToBeRendered()) {
count++;
}
}
}
return count;
}
boolean isInContainer(MElementContainer<?> container, MUIElement element) {
for (Object object : container.getChildren()) {
if (object == element) {
return true;
} else if (object instanceof MElementContainer<?>) {
if (isInContainer((MElementContainer<?>) object, element)) {
return true;
}
} else if (object instanceof MPlaceholder) {
MUIElement ref = ((MPlaceholder) object).getRef();
if (ref == element) {
return true;
} else if (ref instanceof MElementContainer<?>) {
if (isInContainer((MElementContainer<?>) ref, element)) {
return true;
}
}
} else if (object instanceof MPerspective) {
MPerspective persp = (MPerspective) object;
for (MWindow dw : persp.getWindows()) {
if (isInContainer(dw, element)) return true;
}
} else if (object instanceof MWindow) {
MWindow win = (MWindow) object;
for (MWindow dw : win.getWindows()) {
if (isInContainer(dw, element)) return true;
}
}
}
if (container instanceof MWindow) {
MWindow win = (MWindow) container;
for (MWindow dw : win.getWindows()) {
if (isInContainer(dw, element)) return true;
}
}
if (container instanceof MPerspective) {
MPerspective persp = (MPerspective) container;
for (MWindow dw : persp.getWindows()) {
if (isInContainer(dw, element)) return true;
}
}
return false;
}
private <T> void findElementsRecursive(
MApplicationElement searchRoot,
Class<T> clazz,
Selector matcher,
List<T> elements,
int searchFlags) {
Assert.isLegal(searchRoot != null);
if (searchFlags == 0) {
return;
}
// are *we* a match ?
boolean classMatch = clazz == null ? true : clazz.isInstance(searchRoot);
if (classMatch && matcher.select(searchRoot)) {
if (!elements.contains(searchRoot)) {
@SuppressWarnings("unchecked")
T element = (T) searchRoot;
elements.add(element);
}
}
if (searchRoot instanceof MApplication && (searchFlags == ANYWHERE)) {
MApplication app = (MApplication) searchRoot;
List<MApplicationElement> children = new ArrayList<>();
if (clazz != null) {
if (clazz.equals(MHandler.class)) {
children.addAll(app.getHandlers());
} else if (clazz.equals(MCommand.class)) {
children.addAll(app.getCommands());
} else if (clazz.equals(MBindingContext.class)) {
children.addAll(app.getBindingContexts());
} else if (clazz.equals(MBindingTable.class) || clazz.equals(MKeyBinding.class)) {
children.addAll(app.getBindingTables());
}
// } else { only look for these if specifically asked.
// children.addAll(app.getHandlers());
// children.addAll(app.getCommands());
// children.addAll(app.getBindingContexts());
// children.addAll(app.getBindingTables());
}
for (MApplicationElement child : children) {
findElementsRecursive(child, clazz, matcher, elements, searchFlags);
}
}
if (searchRoot instanceof MBindingContext && (searchFlags == ANYWHERE)) {
MBindingContext bindingContext = (MBindingContext) searchRoot;
for (MBindingContext child : bindingContext.getChildren()) {
findElementsRecursive(child, clazz, matcher, elements, searchFlags);
}
}
if (searchRoot instanceof MBindingTable) {
MBindingTable bindingTable = (MBindingTable) searchRoot;
for (MKeyBinding child : bindingTable.getBindings()) {
findElementsRecursive(child, clazz, matcher, elements, searchFlags);
}
}
// Check regular containers
if (searchRoot instanceof MElementContainer<?>) {
/*
* Bug 455281: If given a window with a primary perspective stack,
* and we're not told to look outside of the perspectives (i.e.,
* searchFlags is missing OUTSIDE_PERSPECTIVE), then just search the
* primary perspective stack instead. This ignores special areas
* like the compat layer's stack holding the Help, CheatSheets, and
* Intro.
*/
MElementContainer<?> searchContainer = (MElementContainer<?>) searchRoot;
MPerspectiveStack primaryStack = null;
if (searchRoot instanceof MWindow
&& (searchFlags & OUTSIDE_PERSPECTIVE) == 0
&& (primaryStack = getPrimaryPerspectiveStack((MWindow) searchRoot)) != null) {
searchContainer = primaryStack;
}
if (searchContainer instanceof MPerspectiveStack) {
if ((searchFlags & IN_ANY_PERSPECTIVE) != 0) {
// Search *all* the perspectives
MElementContainer<? extends MUIElement> container = searchContainer;
List<? extends MUIElement> children = container.getChildren();
for (MUIElement child : children) {
findElementsRecursive(child, clazz, matcher, elements, searchFlags);
}
} else if ((searchFlags & IN_ACTIVE_PERSPECTIVE) != 0) {
// Only search the currently active perspective, if any
MPerspective active = ((MPerspectiveStack) searchContainer).getSelectedElement();
if (active != null) {
findElementsRecursive(active, clazz, matcher, elements, searchFlags);
}
} else if ((searchFlags & IN_SHARED_AREA) != 0) {
// Only recurse through the shared areas
List<MArea> areas = findElements(searchContainer, null, MArea.class, null);
for (MArea area : areas) {
findElementsRecursive(area, clazz, matcher, elements, searchFlags);
}
}
} else {
@SuppressWarnings("unchecked")
MElementContainer<MUIElement> container = (MElementContainer<MUIElement>) searchRoot;
List<MUIElement> children = container.getChildren();
for (MUIElement child : children) {
findElementsRecursive(child, clazz, matcher, elements, searchFlags);
}
}
}
// Search Trim
if (searchRoot instanceof MTrimmedWindow && (searchFlags & IN_TRIM) != 0) {
MTrimmedWindow tw = (MTrimmedWindow) searchRoot;
List<MTrimBar> bars = tw.getTrimBars();
for (MTrimBar bar : bars) {
findElementsRecursive(bar, clazz, matcher, elements, searchFlags);
}
}
// Search Detached Windows
if (searchRoot instanceof MWindow) {
MWindow window = (MWindow) searchRoot;
for (MWindow dw : window.getWindows()) {
findElementsRecursive(dw, clazz, matcher, elements, searchFlags);
}
MMenu menu = window.getMainMenu();
if (menu != null && (searchFlags & IN_MAIN_MENU) != 0) {
findElementsRecursive(menu, clazz, matcher, elements, searchFlags);
}
// Check for Handlers
if (searchFlags == ANYWHERE && MHandler.class.equals(clazz)) {
for (MHandler child : window.getHandlers()) {
findElementsRecursive(child, clazz, matcher, elements, searchFlags);
}
}
}
if (searchRoot instanceof MPerspective) {
MPerspective persp = (MPerspective) searchRoot;
for (MWindow dw : persp.getWindows()) {
findElementsRecursive(dw, clazz, matcher, elements, searchFlags);
}
}
// Search shared elements
if (searchRoot instanceof MPlaceholder) {
MPlaceholder ph = (MPlaceholder) searchRoot;
// Don't search in shared areas unless the flag is set
if (ph.getRef() != null
&& (!(ph.getRef() instanceof MArea) || (searchFlags & IN_SHARED_AREA) != 0)) {
findElementsRecursive(ph.getRef(), clazz, matcher, elements, searchFlags);
}
}
if (searchRoot instanceof MPart && (searchFlags & IN_PART) != 0) {
MPart part = (MPart) searchRoot;
for (MMenu menu : part.getMenus()) {
findElementsRecursive(menu, clazz, matcher, elements, searchFlags);
}
MToolBar toolBar = part.getToolbar();
if (toolBar != null) {
findElementsRecursive(toolBar, clazz, matcher, elements, searchFlags);
}
if (MHandler.class.equals(clazz)) {
for (MHandler child : part.getHandlers()) {
findElementsRecursive(child, clazz, matcher, elements, searchFlags);
}
}
}
}
private void safeRemoveGui(MUIElement element) {
if (removeRoot == null) removeRoot = element;
renderedElements.remove(element);
// We call 'hideChild' *before* checking if the actual element
// has been rendered in order to pick up cases of 'lazy loading'
MUIElement parent = element.getParent();
AbstractPartRenderer parentRenderer = parent != null ? getRendererFor(parent) : null;
if (parentRenderer != null) {
parentRenderer.hideChild(element.getParent(), element);
}
AbstractPartRenderer renderer = getRendererFor(element);
// If the element hasn't been rendered then this is a NO-OP
if (renderer != null) {
if (element instanceof MElementContainer<?>) {
MElementContainer<MUIElement> container = (MElementContainer<MUIElement>) element;
MUIElement selectedElement = container.getSelectedElement();
List<MUIElement> children = container.getChildren();
for (MUIElement child : children) {
// remove stuff in the "back" first
if (child != selectedElement) {
removeGui(child);
}
}
if (selectedElement != null && children.contains(selectedElement)) {
// now remove the selected element
removeGui(selectedElement);
}
}
if (element instanceof MPerspective) {
MPerspective perspective = (MPerspective) element;
for (MWindow subWindow : perspective.getWindows()) {
removeGui(subWindow);
}
} else if (element instanceof MWindow) {
MWindow window = (MWindow) element;
for (MWindow subWindow : window.getWindows()) {
removeGui(subWindow);
}
if (window instanceof MTrimmedWindow) {
MTrimmedWindow trimmedWindow = (MTrimmedWindow) window;
for (MUIElement trimBar : trimmedWindow.getTrimBars()) {
removeGui(trimBar);
}
}
}
if (element instanceof MContribution) {
MContribution contribution = (MContribution) element;
Object client = contribution.getObject();
IEclipseContext parentContext = renderer.getContext(element);
if (parentContext != null && client != null) {
try {
ContextInjectionFactory.invoke(client, PersistState.class, parentContext, null);
} catch (Exception e) {
if (logger != null) {
logger.error(e);
}
}
}
}
renderer.disposeWidget(element);
// unset the client object
if (element instanceof MContribution) {
MContribution contribution = (MContribution) element;
Object client = contribution.getObject();
IEclipseContext parentContext = renderer.getContext(element);
if (parentContext != null && client != null) {
try {
ContextInjectionFactory.uninject(client, parentContext);
} catch (Exception e) {
if (logger != null) {
logger.error(e);
}
}
}
contribution.setObject(null);
}
// dispose the context
if (element instanceof MContext) {
clearContext((MContext) element);
}
}
if (removeRoot == element) removeRoot = null;
}