Added support for sorting ListItems in a ListView

src/Insight/UserInterfaces/InsightWindow/Widgets/ListView/ListItem.hpp

@@ -26,6 +26,20 @@ namespace Bloom::Widgets
             return;
         }
 
+        virtual bool operator < (const ListItem& rhs) const = 0;
+
+        bool operator > (const ListItem& rhs) const {
+            return rhs < *this;
+        }
+
+        bool operator <= (const ListItem& rhs) const {
+            return !(rhs < *this);
+        }
+
+        bool operator >= (const ListItem& rhs) const {
+            return !(*this < rhs);
+        }
+
         void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) override = 0;
     };
 }

src/Insight/UserInterfaces/InsightWindow/Widgets/ListView/ListScene.cpp

@@ -12,15 +12,11 @@ namespace Bloom::Widgets
         std::vector<ListItem*> items,
         QGraphicsView* parent
     )
-        : listItems(std::move(items))
+        : parent(parent)
-        , parent(parent)
         , QGraphicsScene(parent)
     {
         this->setItemIndexMethod(QGraphicsScene::NoIndex);
-
+        this->setItems(std::move(items));
-        for (const auto& listItem : this->listItems) {
-            this->addItem(listItem);
-        }
     }
 
     void ListScene::refreshGeometry() {
@@ -48,6 +44,35 @@ namespace Bloom::Widgets
         this->update();
     }
 
+    void ListScene::setItems(const std::vector<ListItem*>& items) {
+        for (auto& item : this->items()) {
+            this->removeItem(item);
+        }
+
+        this->listItems = items;
+
+        for (const auto& listItem : this->listItems) {
+            this->addItem(listItem);
+        }
+
+        this->sortItems();
+    }
+
+    void ListScene::addListItem(ListItem* item) {
+        this->listItems.push_back(item);
+        this->addItem(item);
+    }
+
+    void ListScene::sortItems() {
+        std::sort(
+            this->listItems.begin(),
+            this->listItems.end(),
+            [] (const ListItem* itemA, const ListItem* itemB) {
+                return *itemA < *itemB;
+            }
+        );
+    }
+
     void ListScene::setEnabled(bool enabled) {
         if (this->enabled == enabled) {
             return;

src/Insight/UserInterfaces/InsightWindow/Widgets/ListView/ListScene.hpp

@@ -28,6 +28,9 @@ namespace Bloom::Widgets
         );
 
         void refreshGeometry();
+        void setItems(const std::vector<ListItem*>& items);
+        void addListItem(ListItem* item);
+        void sortItems();
         void setEnabled(bool enabled);
 
     signals:
@@ -42,7 +45,7 @@ namespace Bloom::Widgets
         void contextMenuEvent(QGraphicsSceneContextMenuEvent* event) override;
 
     private:
-        const std::vector<ListItem*> listItems;
+        std::vector<ListItem*> listItems;
         QGraphicsView* const parent;
         bool enabled = false;
         ListItem* selectedItem = nullptr;

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetRegistersPane/RegisterGroupItem.hpp

@@ -37,6 +37,11 @@ namespace Bloom::Widgets
 
         void refreshGeometry();
 
+        bool operator < (const ListItem& rhs) const override {
+            const auto& rhsRegisterGroupItem = dynamic_cast<const RegisterGroupItem&>(rhs);
+            return this->groupName < rhsRegisterGroupItem.groupName;
+        }
+
         void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) override;
 
     private:

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetRegistersPane/RegisterItem.hpp

@@ -29,6 +29,11 @@ namespace Bloom::Widgets
             this->valueText.clear();
         }
 
+        bool operator < (const ListItem& rhs) const override {
+            const auto& rhsRegisterItem = dynamic_cast<const RegisterItem&>(rhs);
+            return this->registerName < rhsRegisterItem.registerName;
+        }
+
         void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) override;
 
     private: