Ejemplos de ModelNode::SetHidden en C++ (Cpp)

Ejemplo n.º 1

status_t
VariablesView::VariableTableModel::_AddNode(Variable* variable,
	ModelNode* parent, ValueNodeChild* nodeChild, bool isPresentationNode)
{
	// Don't create nodes for unspecified types -- we can't get/show their
	// value anyway.
	Type* nodeChildRawType = nodeChild->GetType()->ResolveRawType(false);
	if (nodeChildRawType->Kind() == TYPE_UNSPECIFIED)
		return B_OK;

	ModelNode* node = new(std::nothrow) ModelNode(parent, variable, nodeChild,
		isPresentationNode);
	BReference<ModelNode> nodeReference(node, true);
	if (node == NULL || node->Init() != B_OK)
		return B_NO_MEMORY;

	int32 childIndex;

	if (parent != NULL) {
		childIndex = parent->CountChildren();

		if (!parent->AddChild(node))
			return B_NO_MEMORY;
		// the parent has a reference, now
	} else {
		childIndex = fNodes.CountItems();

		if (!fNodes.AddItem(node))
			return B_NO_MEMORY;
		nodeReference.Detach();
			// the fNodes list has a reference, now
	}

	fNodeTable.Insert(node);

	// mark a compound type child of a address type parent hidden
	if (parent != NULL) {
		ValueNode* parentValueNode = parent->NodeChild()->Node();
		if (parentValueNode != NULL
			&& parentValueNode->GetType()->ResolveRawType(false)->Kind()
				== TYPE_ADDRESS
			&& nodeChildRawType->Kind() == TYPE_COMPOUND) {
			node->SetHidden(true);
		}
	}

	// notify table model listeners
	if (!node->IsHidden()) {
		TreeTablePath path;
		if (parent == NULL || _GetTreePath(parent, path))
			NotifyNodesAdded(path, childIndex, 1);
	}

	// if the node is hidden, add its children
	if (node->IsHidden())
		_AddChildNodes(nodeChild);

	return B_OK;
}