Merge branch '64-armem-viewer-export-data-to-json-via-context-menu' into 'master'

Resolve "ArMem Viewer: Export data to JSON via context menu"

Closes #64

See merge request ArmarX/RobotAPI!200

source/RobotAPI/libraries/armem_gui/instance/InstanceView.cpp

@@ -20,6 +20,7 @@
 
 #include <ArmarXCore/core/exceptions/local/ExpressionException.h>
 
+#include <RobotAPI/libraries/aron/converter/json/NLohmannJSONConverter.h>
 #include <RobotAPI/libraries/aron/core/data/variant/complex/NDArray.h>
 #include <RobotAPI/libraries/aron/core/type/variant/container/Object.h>
 
@@ -324,7 +325,12 @@ namespace armarx::armem::gui::instance
                 }
             }
         }
-
+        
+        const std::optional<aron::Path> elementPath = getElementPath(item);
+        if (elementPath)
+        {
+            menu.addAction(makeActionCopyDataToClipboard(elementPath.value()));
+        }
 
         if (menu.actions().size() > 0)
         {
@@ -414,6 +420,30 @@ namespace armarx::armem::gui::instance
         return action;
     }
 
+    QAction* InstanceView::makeActionCopyDataToClipboard(const aron::Path& path)
+    {
+        QAction* action = new QAction("Copy data to clipboard as JSON");
+
+        connect(action, &QAction::triggered, [this, path]()
+        {
+            try
+            {
+                aron::data::VariantPtr element = currentInstance->data()->navigateAbsolute(path);
+                nlohmann::json json =
+                    aron::converter::AronNlohmannJSONConverter::ConvertToNlohmannJSON(element);
+                QClipboard* clipboard = QApplication::clipboard();
+                clipboard->setText(QString::fromStdString(json.dump(2)));
+                QApplication::processEvents();
+            }
+            catch (const aron::error::AronException& e)
+            {
+                ARMARX_WARNING << "Could not convert Aron data to JSON: " << e.getReason();
+            }
+        });
+
+        return action;
+    }
+
 
     void InstanceView::showImageView(const aron::Path& elementPath)
     {

source/RobotAPI/libraries/armem_gui/instance/InstanceView.h

@@ -79,6 +79,7 @@ namespace armarx::armem::gui::instance
 
         QAction* makeActionResolveMemoryID(const MemoryID& id);
         QAction* makeActionCopyMemoryID(const MemoryID& id);
+        QAction* makeActionCopyDataToClipboard(const aron::Path& path);
 
 
     private: