add signals to IntensityDataItem

GUI/Model/Data/IntensityDataItem.cpp

@@ -160,6 +160,7 @@ ComboProperty IntensityDataItem::getGradient() const
 void IntensityDataItem::setGradient(const ComboProperty& gradient)
 {
     setItemValue(P_GRADIENT, gradient.variant());
+    emit gradientChanged(gradient);
 }
 
 SelectionDescriptor<QString> IntensityDataItem::gradient() const
@@ -195,16 +196,19 @@ bool IntensityDataItem::isZAxisLocked() const
 void IntensityDataItem::setZAxisLocked(bool state)
 {
     item<AmplitudeAxisItem>(P_ZAXIS)->setLocked(state);
+    emit zAxisLockChanged(state);
 }
 
 void IntensityDataItem::setXaxisTitle(const QString& title)
 {
     xAxisItem()->setTitle(title);
+    emit xAxisTitleChanged(title);
 }
 
 void IntensityDataItem::setYaxisTitle(const QString& title)
 {
     yAxisItem()->setTitle(title);
+    emit yAxisTitleChanged(title);
 }
 
 //! set zoom range of x,y axes to axes of input data
@@ -273,21 +277,25 @@ bool IntensityDataItem::isZaxisPropertyName(const QString& name)
 void IntensityDataItem::setLowerX(double value)
 {
     xAxisItem()->setLowerBound(value);
+    emit xAxisLowerChanged(value);
 }
 
 void IntensityDataItem::setUpperX(double value)
 {
     xAxisItem()->setUpperBound(value);
+    emit xAxisUpperChanged(value);
 }
 
 void IntensityDataItem::setLowerY(double value)
 {
     yAxisItem()->setLowerBound(value);
+    emit yAxisLowerChanged(value);
 }
 
 void IntensityDataItem::setUpperY(double value)
 {
     yAxisItem()->setUpperBound(value);
+    emit yAxisUpperChanged(value);
 }
 
 void IntensityDataItem::setLowerAndUpperZ(double zmin, double zmax)
@@ -302,21 +310,25 @@ void IntensityDataItem::setLowerAndUpperZ(double zmin, double zmax)
 void IntensityDataItem::setLowerZ(double zmin)
 {
     zAxisItem()->setLowerBound(zmin);
+    emit zAxisLowerChanged(zmin);
 }
 
 void IntensityDataItem::setUpperZ(double zmax)
 {
     zAxisItem()->setUpperBound(zmax);
+    emit zAxisUpperChanged(zmax);
 }
 
 void IntensityDataItem::setLogz(bool logz)
 {
     zAxisItem()->setLogScale(logz);
+    emit zLogChanged(logz);
 }
 
 void IntensityDataItem::setInterpolated(bool interp)
 {
     setItemValue(P_IS_INTERPOLATED, interp);
+    emit interpolationChanged(interp);
 }
 
 //! Sets zoom range of X,Y axes, if it was not yet defined.

GUI/Model/Data/IntensityDataItem.h

@@ -24,6 +24,7 @@ class MaskContainerItem;
 class ProjectionContainerItem;
 
 class BA_CORE_API_ IntensityDataItem : public DataItem {
+    Q_OBJECT
 private:
     static constexpr auto P_PROJECTIONS{"Projections"};
     static constexpr auto P_TITLE{"Title"};
@@ -120,6 +121,21 @@ public:
     static bool isYaxisPropertyName(const QString& name);
     static bool isZaxisPropertyName(const QString& name);
 
+signals:
+    void gradientChanged(const ComboProperty& gradient);
+    void zAxisLockChanged(bool isLocked);
+    void xAxisTitleChanged(const QString& title);
+    void yAxisTitleChanged(const QString& title);
+
+    void xAxisLowerChanged(double value);
+    void xAxisUpperChanged(double value);
+    void yAxisLowerChanged(double value);
+    void yAxisUpperChanged(double value);
+    void zAxisLowerChanged(double value);
+    void zAxisUpperChanged(double value);
+    void zLogChanged(bool isLog);
+    void interpolationChanged(bool isInterpolated);
+
 public slots:
     void setLowerX(double value);
     void setUpperX(double value);

GUI/View/Fit/FitSessionManager.cpp

@@ -49,7 +49,6 @@ FitSessionController* FitSessionManager::sessionController(JobItem* jobItem)
 
 FitSessionController* FitSessionManager::createController(JobItem* jobItem)
 {
-    // job destruction
     connect(jobItem, &JobItem::destroyed, this, [=]() { removeController(jobItem); });
 
     auto* result = new FitSessionController(this);