exceptions adding in closed elements

src/warchron/controller/app_controller.py

@@ -31,8 +31,7 @@ class AppController:
         self.navigation.refresh_wars_view()
         self.update_window_title()
         self.view.on_tree_selection_changed = self.navigation.on_tree_selection_changed
-        self.view.on_add_campaign = self.campaigns.add_campaign
-        self.view.on_add_round = self.rounds.add_round
+        self.view.on_add_item = self.add_item
 
     def __connect(self) -> None:
         self.view.actionExit.triggered.connect(self.view.close)
@@ -41,20 +40,25 @@ class AppController:
         self.view.actionSave.triggered.connect(self.save)
         self.view.actionSave_as.triggered.connect(self.save_as)
         self.view.actionAbout.triggered.connect(self.show_about)
-        self.view.addPlayerBtn.clicked.connect(self.players.add_player)
-        self.view.addWarBtn.clicked.connect(self.wars.add_war)
+        self.view.addPlayerBtn.clicked.connect(lambda: self.add_item(ItemType.PLAYER))
+        self.view.addWarBtn.clicked.connect(lambda: self.add_item(ItemType.WAR))
         self.view.majorValue.valueChanged.connect(self.wars.set_major_value)
         self.view.minorValue.valueChanged.connect(self.wars.set_minor_value)
         self.view.influenceToken.toggled.connect(self.wars.set_influence_token)
-        self.view.addObjectiveBtn.clicked.connect(self.wars.add_objective)
-        self.view.addWarParticipantBtn.clicked.connect(self.wars.add_war_participant)
+        self.view.addObjectiveBtn.clicked.connect(
+            lambda: self.add_item(ItemType.OBJECTIVE)
+        )
+        self.view.addWarParticipantBtn.clicked.connect(
+            lambda: self.add_item(ItemType.WAR_PARTICIPANT)
+        )
         self.view.endWarBtn.clicked.connect(self.wars.close_war)
-        self.view.addSectorBtn.clicked.connect(self.campaigns.add_sector)
+        self.view.addSectorBtn.clicked.connect(lambda: self.add_item(ItemType.SECTOR))
         self.view.addCampaignParticipantBtn.clicked.connect(
-            self.campaigns.add_campaign_participant
+            lambda: self.add_item(ItemType.CAMPAIGN_PARTICIPANT)
         )
         self.view.endCampaignBtn.clicked.connect(self.campaigns.close_campaign)
         self.view.endRoundBtn.clicked.connect(self.rounds.close_round)
+        self.view.on_add_item = self.add_item
         self.view.on_edit_item = self.edit_item
         self.view.on_delete_item = self.delete_item
 
@@ -161,6 +165,72 @@ class AppController:
 
     # Command methods
 
+    def add_item(self, item_type: str) -> None:
+        try:
+            if item_type == ItemType.PLAYER:
+                play = self.players.create_player()
+                if not play:
+                    return
+                self.navigation.refresh(RefreshScope.PLAYERS_LIST)
+            elif item_type == ItemType.WAR:
+                war = self.wars.create_war()
+                if not war:
+                    return
+                self.navigation.refresh_and_select(
+                    RefreshScope.WARS_TREE, item_type=ItemType.WAR, item_id=war.id
+                )
+            elif item_type == ItemType.CAMPAIGN:
+                camp = self.campaigns.create_campaign()
+                if not camp:
+                    return
+                self.navigation.refresh_and_select(
+                    RefreshScope.WARS_TREE, item_type=ItemType.CAMPAIGN, item_id=camp.id
+                )
+            elif item_type == ItemType.OBJECTIVE:
+                obj = self.wars.create_objective()
+                if not obj:
+                    return
+                self.navigation.refresh(RefreshScope.CURRENT_SELECTION_DETAILS)
+            elif item_type == ItemType.WAR_PARTICIPANT:
+                war_part = self.wars.create_war_participant()
+                if not war_part:
+                    return
+                self.navigation.refresh(RefreshScope.CURRENT_SELECTION_DETAILS)
+            elif item_type == ItemType.SECTOR:
+                sect = self.campaigns.create_sector()
+                if not sect:
+                    return
+                self.navigation.refresh(RefreshScope.CURRENT_SELECTION_DETAILS)
+            elif item_type == ItemType.CAMPAIGN_PARTICIPANT:
+                camp_part = self.campaigns.create_campaign_participant()
+                if not camp_part:
+                    return
+                self.navigation.refresh(RefreshScope.CURRENT_SELECTION_DETAILS)
+            elif item_type == ItemType.ROUND:
+                rnd = self.rounds.create_round()
+                if not rnd:
+                    return
+                self.navigation.refresh_and_select(
+                    RefreshScope.WARS_TREE, item_type=ItemType.ROUND, item_id=rnd.id
+                )
+            self.is_dirty = True
+        except DomainError as e:
+            QMessageBox.warning(
+                self.view,
+                "Deletion forbidden",
+                str(e),
+            )
+        except RequiresConfirmation as e:
+            reply = QMessageBox.question(
+                self.view,
+                "Confirm update",
+                str(e),
+                QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
+            )
+            if reply == QMessageBox.StandardButton.Yes:
+                e.action()
+                self.navigation.refresh(RefreshScope.CURRENT_SELECTION_DETAILS)
+
     def edit_item(self, item_type: str, item_id: str) -> None:
         try:
             if item_type == ItemType.PLAYER:
@@ -195,6 +265,12 @@ class AppController:
                 self.rounds.edit_round_battle(item_id)
                 self.navigation.refresh(RefreshScope.CURRENT_SELECTION_DETAILS)
             self.is_dirty = True
+        except DomainError as e:
+            QMessageBox.warning(
+                self.view,
+                "Deletion forbidden",
+                str(e),
+            )
         except RequiresConfirmation as e:
             reply = QMessageBox.question(
                 self.view,