Work on the graphical interface requirements tree

src/core/projectManager/RequirementManager.cpp

@@ -10,7 +10,8 @@ using namespace core::project;
 /* Default constructor */
 RequirementManager::RequirementManager()
 {
-  m_rootRequirement = make_shared<RequirementItem>(*this);     // Create the root requirement item and set it as the root requirement
+  m_rootRequirement                                      = make_shared<RequirementItem>(*this);     // Create the root requirement item and set it as the root requirement
+  m_requirementsByUuid[m_rootRequirement->metadata.uuid] = m_rootRequirement;                       // Register the root requirement item
 }
 //--------------------------------------------------------------
 /* Get the root requirement */
@@ -28,9 +29,13 @@ std::vector<RequirementManager::RequirementItemPtr> RequirementManager::getRootR
 /* Get a requirement by its UUID */
 RequirementManager::RequirementItemPtr RequirementManager::getRequirement(const std::string &uuid) const
 {
+  if (uuid.empty())
+    return m_rootRequirement;     // Return the root requirement item pointer if the UUID is empty
+
   if (m_requirementsByUuid.contains(uuid))
     return m_requirementsByUuid.at(uuid);     // Return the requirement item pointer if found in the map
-  return {};                                  // Return nullptr if the requirement with the given UUID is not found
+
+  return {};     // Return nullptr if the requirement with the given UUID is not found
 }
 //--------------------------------------------------------------
 /* Get the vector of child requirement items of a requirement by its UUID */

src/core/projectManager/requirementItem.cpp

@@ -14,7 +14,6 @@ RequirementItem::RequirementItem(RequirementManager &manager, const std::shared_
   m_parent      = parentRequirement;                             // Set the m_parent requirement item
 
   // Register this requirement item in the manager's internal map
-  m_requirementManager.registerRequirement(shared_from_this());
 }
 //--------------------------------------------------------------
 /* Convert this requirement item to an api::requirement::Requirement struct and return it */
@@ -52,6 +51,8 @@ void RequirementItem::appendChild(const Requirement &child)
 {
   // Create a new requirement item for the child requirement and set this requirement item as its m_parent
   const auto childItem = make_shared<RequirementItem>(m_requirementManager, shared_from_this());
+  m_requirementManager.registerRequirement(childItem);     // Register the child requirement item
+
   childItem->update(child);     // Update the child requirement item with the provided child requirement data
 
   // Append the child requirement item to the vector of children