bug fix when no peak has been detected for a peptide

src/gui/xic_view/xic_box/xic_box.ui

@@ -226,8 +226,8 @@
    <slot>remove()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>592</x>
-     <y>39</y>
+     <x>601</x>
+     <y>30</y>
     </hint>
     <hint type="destinationlabel">
      <x>585</x>
@@ -242,8 +242,8 @@
    <slot>extractXicInOtherMsRun()</slot>
    <hints>
     <hint type="sourcelabel">
-     <x>414</x>
-     <y>38</y>
+     <x>452</x>
+     <y>36</y>
     </hint>
     <hint type="destinationlabel">
      <x>891</x>
@@ -267,22 +267,6 @@
     </hint>
    </hints>
   </connection>
-  <connection>
-   <sender>xic_widget</sender>
-   <signal>xicPeakListChanged()</signal>
-   <receiver>XicBox</receiver>
-   <slot>setXicPeakList()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>332</x>
-     <y>301</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>954</x>
-     <y>317</y>
-    </hint>
-   </hints>
-  </connection>
  </connections>
  <slots>
   <slot>remove()</slot>

src/gui/xic_view/xic_box/xicbox.cpp

@@ -257,10 +257,14 @@ void XicBox::setXic(std::vector< pappso::XicSp> xic_sp_list) {
     qDebug() << "XicBox::setXic plot" ;
     ui->xic_widget->plot();
 
-    if (_isotope_ratio_graph_observed_intensity != nullptr) {
+    if (_isotope_ratio_graph_observed_intensity == nullptr) {
+        qDebug() << "XicBox::setXic plot new QCPBars" ;
+        _isotope_ratio_graph_observed_intensity = new QCPBars(ui->histo_widget->xAxis, ui->histo_widget->yAxis2);
+    }
+    else {
+        qDebug() << "XicBox::setXic plot clearData" ;
         _isotope_ratio_graph_observed_intensity->clearData();
     }
-    _isotope_ratio_graph_observed_intensity = new QCPBars(ui->histo_widget->xAxis, ui->histo_widget->yAxis2);
     _isotope_ratio_graph_observed_intensity->setName("XIC area");
     //ui->histo_widget->yAxis2->setLabel("intensity");
 
@@ -271,16 +275,22 @@ void XicBox::setXic(std::vector< pappso::XicSp> xic_sp_list) {
     QVector<double> ticks;
     double sum = 0;
     int i = 0;
+
+    qDebug() << "XicBox::setXic plot _isotope_mass_list" ;
     for (pappso::PeptideNaturalIsotopeAverageSp & natural_isotope_average: _isotope_mass_list) {
-        sum += _xic_peak_match_list[i].get()->getArea();
-        observed_intensity_data << _xic_peak_match_list[i].get()->getArea();
-        QString isotope_name = QString("+%1").arg(_isotope_mass_list[i].get()->getIsotopeNumber());
-        if (_isotope_mass_list[i].get()->getIsotopeRank() > 1) {
-            isotope_name = QString("+%1 [%2]").arg(_isotope_mass_list[i].get()->getIsotopeNumber()).arg(_isotope_mass_list[i].get()->getIsotopeRank());
+        if (_xic_peak_match_list[i].get() == nullptr) {
+        }
+        else {
+            sum += _xic_peak_match_list[i].get()->getArea();
+            observed_intensity_data << _xic_peak_match_list[i].get()->getArea();
+            QString isotope_name = QString("+%1").arg(_isotope_mass_list[i].get()->getIsotopeNumber());
+            if (_isotope_mass_list[i].get()->getIsotopeRank() > 1) {
+                isotope_name = QString("+%1 [%2]").arg(_isotope_mass_list[i].get()->getIsotopeNumber()).arg(_isotope_mass_list[i].get()->getIsotopeRank());
+            }
+            isotope_name.append(QString(" (%1%)").arg((int) (_isotope_mass_list[i].get()->getIntensityRatio()*100)));
+            labels << isotope_name;
+            ticks << i;
         }
-        isotope_name.append(QString(" (%1%)").arg((int) (_isotope_mass_list[i].get()->getIntensityRatio()*100)));
-        labels << isotope_name;
-        ticks << i;
         i++;
     }
 
@@ -288,11 +298,13 @@ void XicBox::setXic(std::vector< pappso::XicSp> xic_sp_list) {
     //_graph_peak_surface_list.back()->setScatterStyle(QCPScatterStyle::ssDot);
     // observed_intensity->setBrush(QBrush(QColor(170, 255, 0, 0)));
 
-    _isotope_ratio_graph_observed_intensity->setData(ticks, observed_intensity_data);
+    if (ticks.size() > 0) {
+        _isotope_ratio_graph_observed_intensity->setData(ticks, observed_intensity_data);
 
-    ui->histo_widget->yAxis2->setVisible(true);
-    ui->histo_widget->yAxis2->setRange(0, sum);
-    ui->histo_widget->replot();
+        ui->histo_widget->yAxis2->setVisible(true);
+        ui->histo_widget->yAxis2->setRange(0, sum);
+        ui->histo_widget->replot();
+    }
     qDebug() << "XicBox::setXic end";
 
 }