ENH: Add remove signal to DICOM browser

Libs/DICOM/Core/ctkDICOMDatabase.cpp

@@ -3014,6 +3014,8 @@ bool ctkDICOMDatabase::removeSeries(const QString& seriesInstanceUID, bool clear
 
   d->resetLastInsertedValues();
 
+  emit seriesRemoved(seriesInstanceUID);
+
   return true;
 }
 
@@ -3059,6 +3061,12 @@ bool ctkDICOMDatabase::removeStudy(const QString& studyInstanceUID, bool cleanup
     }
   }
   d->resetLastInsertedValues();
+
+  if(result)
+  {
+    emit studyRemoved(studyInstanceUID);
+  }
+
   return result;
 }
 
@@ -3086,6 +3094,12 @@ bool ctkDICOMDatabase::removePatient(const QString& patientID, bool cleanup/*=tr
     }
   }
   d->resetLastInsertedValues();
+
+  if(result)
+  {
+    emit patientRemoved(patientID);
+  }
+
   return result;
 }
 

Libs/DICOM/Core/ctkDICOMDatabase.h

@@ -430,6 +430,21 @@ class CTK_DICOM_CORE_EXPORT ctkDICOMDatabase : public QObject
   ///  - instanceUID (unique)
   void instanceAdded(QString);
 
+  /// This signal is emitted when a patient is removed from CTK database using removePatient method.
+  /// patientRemoved arguments:
+  ///  - patientID (not unique across institutions)
+  void patientRemoved(QString);
+
+  /// This signal is emitted when a study is removed from CTK database using removeStudy method.
+  /// studyRemoved arguments:
+  ///  - studyInstanceUID (unique)
+  void studyRemoved(QString);
+
+  /// This signal is emitted when a serie is removed from CTK database using removeSeries method.
+  /// seriesRemoved arguments:
+  ///  - seriesInstanceUID (unique)
+  void seriesRemoved(QString);
+
   /// This signal is emitted when the database has been opened.
   void opened();