public UIComponent findCompositeComponentUsingLocation(FacesContext ctx, Location location) {
StackHandler sh = getStackHandler(StackType.TreeCreation);
Stack<UIComponent> s = sh.getStack(false);
if (s != null) {
String path = location.getPath();
for (int i = s.size(); i > 0; i--) {
UIComponent cc = s.get(i - 1);
Resource r = (Resource) cc.getAttributes().get(Resource.COMPONENT_RESOURCE_KEY);
if (path.endsWith('/' + r.getResourceName()) && path.contains(r.getLibraryName())) {
return cc;
}
}
} else {
// runtime eval
String path = location.getPath();
UIComponent cc = UIComponent.getCurrentCompositeComponent(ctx);
while (cc != null) {
Resource r = (Resource) cc.getAttributes().get(Resource.COMPONENT_RESOURCE_KEY);
if (path.endsWith('/' + r.getResourceName()) && path.contains(r.getLibraryName())) {
return cc;
}
cc = UIComponent.getCompositeComponentParent(cc);
}
}
// we could not find the composite component because the location was not found,
// this will happen if the #{cc} refers to a composite component one level up,
// so we are going after the current composite component.
//
return UIComponent.getCurrentCompositeComponent(ctx);
}
public String getIsCompositeComponentValue() {
String result = null;
UIComponent currentComposite =
UIComponent.getCurrentCompositeComponent(FacesContext.getCurrentInstance());
result = "" + UIComponent.isCompositeComponent(currentComposite);
return result;
}
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
UIComponent compositeParent = UIComponent.getCurrentCompositeComponent(ctx.getFacesContext());
if (compositeParent == null) {
return;
}
boolean required = ((this.required != null) && this.required.getBoolean(ctx));
if (compositeParent.getChildCount() == 0 && required) {
throwRequiredException(ctx, compositeParent);
}
List<UIComponent> compositeChildren = compositeParent.getChildren();
List<UIComponent> parentChildren = parent.getChildren();
parentChildren.addAll(compositeChildren);
}
public boolean push(UIComponent compositeComponent) {
Stack<UIComponent> tstack = CompositeComponentStackManager.this.treeCreation.getStack(false);
Stack<UIComponent> stack = getStack(false);
UIComponent ccp;
if (tstack != null) {
// We have access to the stack of composite components
// the tree creation process has made available.
// Since we can' reliably access the parent composite component
// of the current composite component, use the index of the
// current composite component within the stack to locate the
// parent.
ccp = compositeComponent;
} else {
// no tree creation stack available, so use the runtime stack.
// If the current stack isn't empty, then use the component
// on the stack as the current composite component.
stack = getStack(false);
if (compositeComponent == null) {
if (stack != null && !stack.isEmpty()) {
ccp = getCompositeParent(stack.peek());
} else {
ccp =
getCompositeParent(
(UIComponent.getCurrentCompositeComponent(FacesContext.getCurrentInstance())));
}
} else {
ccp = compositeComponent;
}
}
if (ccp != null) {
if (stack == null) {
stack = getStack(true);
}
stack.push(ccp);
return true;
}
return false;
}
