add signals to sample model and use them instead of generic SessionModel signals

GUI/Model/Data/ApplicationModels.cpp

@@ -34,7 +34,6 @@ ApplicationModels::ApplicationModels(QObject* parent)
     m_realDataModel = new RealDataModel(this);
     m_jobModel = new JobModel(this);
 
-    connectModel(m_sampleModel);
     connectModel(m_instrumentModel);
     connectModel(m_realDataModel);
     connectModel(m_jobModel);

GUI/Model/Project/ProjectDocument.cpp

@@ -63,6 +63,11 @@ ProjectDocument::ProjectDocument(const QString& projectFileName)
     connect(&m_materials, &MaterialModel::materialChanged, this, &ProjectDocument::onModelChanged,
             Qt::UniqueConnection);
 
+    connect(sampleModel(), &SampleModel::sampleAddedOrRemoved, this,
+            &ProjectDocument::onModelChanged, Qt::UniqueConnection);
+    connect(sampleModel(), &SampleModel::sampleChanged, this, &ProjectDocument::onModelChanged,
+            Qt::UniqueConnection);
+
     m_linkManager = std::make_unique<LinkInstrumentManager>(instrumentModel(), realDataModel());
     setObjectName("ProjectDocument");
     if (!projectFileName.isEmpty())

GUI/Model/Sample/SampleModel.cpp

@@ -16,6 +16,7 @@
 #include "GUI/Model/Group/PropertyItem.h"
 #include "GUI/Model/Sample/ItemWithMaterial.h"
 #include "GUI/Model/Sample/MultiLayerItem.h"
+#include "GUI/Model/Session/ModelPath.h"
 #include "GUI/Model/Session/ModelUtils.h"
 #include <QApplication>
 #include <QFontMetrics>
@@ -80,11 +81,13 @@ QVector<ItemWithMaterial*> SampleModel::itemsWithMaterial() const
 MultiLayerItem* SampleModel::addMultiLayer()
 {
     return insertItem<MultiLayerItem>();
+    emit sampleAddedOrRemoved();
 }
 
 void SampleModel::removeMultiLayer(MultiLayerItem* item)
 {
     removeItem(item);
+    emit sampleAddedOrRemoved();
 }
 
 void SampleModel::onDataChanged(const QModelIndex& index, const QModelIndex&)
@@ -93,4 +96,9 @@ void SampleModel::onDataChanged(const QModelIndex& index, const QModelIndex&)
     auto* const item = itemForIndex(index);
     if (item)
         emit itemDataChanged(item);
+
+    auto* multiLayerItem =
+        dynamic_cast<MultiLayerItem*>(GUI::Model::Path::ancestor(item, MultiLayerItem::M_TYPE));
+    if (multiLayerItem)
+        emit sampleChanged(multiLayerItem);
 }

GUI/Model/Sample/SampleModel.h

@@ -49,6 +49,10 @@ signals:
     //! item is the one given in the first index of dataChanged(idx1,idx2)
     void itemDataChanged(const SessionItem* item);
 
+signals:
+    void sampleAddedOrRemoved();
+    void sampleChanged(MultiLayerItem* multiLayerItem);
+
 private:
     void onDataChanged(const QModelIndex& index, const QModelIndex&);
 };

GUI/View/SampleDesigner/ScriptPanel.cpp

@@ -84,20 +84,13 @@ void ScriptPanel::updateEditor()
 void ScriptPanel::setEditorConnected(bool isConnected)
 {
     if (isConnected) {
-        connect(m_sampleModel, &SampleModel::rowsInserted, m_updateTimer,
+        connect(m_sampleModel, &SampleModel::sampleChanged, m_updateTimer,
                 &UpdateTimer::scheduleUpdate);
-        connect(m_sampleModel, &SampleModel::rowsRemoved, m_updateTimer,
-                &UpdateTimer::scheduleUpdate);
-        connect(m_sampleModel, &SampleModel::itemDataChanged, m_updateTimer,
-                &UpdateTimer::scheduleUpdate);
-        connect(m_sampleModel, &SampleModel::modelReset, this, &ScriptPanel::updateEditor,
-                Qt::UniqueConnection);
         connect(m_updateTimer, &UpdateTimer::timeToUpdate, this, &ScriptPanel::updateEditor,
                 Qt::UniqueConnection);
 
         m_updateTimer->scheduleUpdate();
     } else {
-        m_sampleModel->disconnect(this);
         m_sampleModel->disconnect(m_updateTimer);
         m_updateTimer->disconnect(this);
     }