https://github.com/StephaneCouturier/Katalog/issues/340

src/device.cpp

@@ -374,6 +374,42 @@ bool Device::verifyStorageExternalIDExists()
     return queryExternalID.value(0).toInt() > 0;
 }
 
+bool Device::verifyDeviceHasSourceMapping()
+{
+    QSqlQuery query(QSqlDatabase::database("defaultConnection"));
+    query.prepare("SELECT COUNT(*) FROM device_mapping WHERE mapping_device_source_id = :deviceId");
+    query.bindValue(":deviceId", ID);
+
+    if (!query.exec()) {
+        return false;
+    }
+
+    if (query.next()) {
+        int count = query.value(0).toInt();
+        return count > 0;
+    }
+
+    return false;
+}
+
+bool Device::verifyDeviceHasTargetMapping()
+{
+    QSqlQuery query(QSqlDatabase::database("defaultConnection"));
+    query.prepare("SELECT COUNT(*) FROM device_mapping WHERE mapping_device_target_id = :deviceId");
+    query.bindValue(":deviceId", ID);
+
+    if (!query.exec()) {
+        return false;
+    }
+
+    if (query.next()) {
+        int count = query.value(0).toInt();
+        return count > 0;
+    }
+
+    return false;
+}
+
 void Device::getIDFromDeviceName()
 {
     QSqlQuery queryIDFromDeviceName(QSqlDatabase::database("defaultConnection"));

src/device.h

@@ -77,6 +77,8 @@ class Device
         bool verifyDeviceNameExists();
         bool verifyParentDeviceExistsInPhysicalGroup();
         bool verifyStorageExternalIDExists();
+        bool verifyDeviceHasSourceMapping();
+        bool verifyDeviceHasTargetMapping();
         void getIDFromDeviceName();
         void updateActive(QString connectionName);
 

src/mainwindow.h

@@ -541,8 +541,9 @@ class MainWindow : public QMainWindow
             void on_BackUp_pushButton_SaveMapping_clicked();
             void on_BackUp_pushButton_ReloadDeviceMappings_clicked();
             void on_BackUp_pushButton_ReloadSourceList_clicked();
+            void on_BackUp_pushButton_ReloadSourceListWithoutMapping_clicked();
             void on_BackUp_pushButton_ReloadTargetList_clicked();
-            void on_BackUp_pushButton_DeleteSelectedMapping_clicked();
+            void on_BackUp_pushButton_ReloadTargetListWithoutMapping_clicked();            void on_BackUp_pushButton_DeleteSelectedMapping_clicked();
             void on_BackUp_checkBox_DisplayFullTable_checkStateChanged(const Qt::CheckState &arg1);
             void on_BackUp_radioButton_Source_clicked();
             void on_BackUp_radioButton_Target_clicked();

src/mainwindow.ui

@@ -7410,6 +7410,22 @@ background: url(:/images/link-h.png) repeat-x center;</string>
                   </property>
                  </widget>
                 </item>
+                <item>
+                 <widget class="QPushButton" name="BackUp_pushButton_ReloadSourceListWithoutMapping">
+                  <property name="maximumSize">
+                   <size>
+                    <width>250</width>
+                    <height>16777215</height>
+                   </size>
+                  </property>
+                  <property name="text">
+                   <string>without mapping</string>
+                  </property>
+                  <property name="icon">
+                   <iconset theme="view-refresh"/>
+                  </property>
+                 </widget>
+                </item>
                </layout>
               </item>
               <item row="1" column="1">
@@ -7437,6 +7453,22 @@ background: url(:/images/link-h.png) repeat-x center;</string>
                   </property>
                  </widget>
                 </item>
+                <item>
+                 <widget class="QPushButton" name="BackUp_pushButton_ReloadTargetListWithoutMapping">
+                  <property name="maximumSize">
+                   <size>
+                    <width>250</width>
+                    <height>16777215</height>
+                   </size>
+                  </property>
+                  <property name="text">
+                   <string>without mapping</string>
+                  </property>
+                  <property name="icon">
+                   <iconset theme="view-refresh"/>
+                  </property>
+                 </widget>
+                </item>
                </layout>
               </item>
              </layout>

src/mainwindow_tab_backup.cpp

@@ -45,11 +45,21 @@ void MainWindow::on_BackUp_pushButton_ReloadSourceList_clicked()
     loadBackUpDeviceLists("Source");
 }
 
+void MainWindow::on_BackUp_pushButton_ReloadSourceListWithoutMapping_clicked()
+{
+    loadBackUpDeviceLists("Source_without_mapping");
+}
+
 void MainWindow::on_BackUp_pushButton_ReloadTargetList_clicked()
 {
     loadBackUpDeviceLists("Target");
 }
 
+void MainWindow::on_BackUp_pushButton_ReloadTargetListWithoutMapping_clicked()
+{
+    loadBackUpDeviceLists("Target_without_mapping");
+}
+
 void MainWindow::on_BackUp_pushButton_ReloadDeviceMappings_clicked()
 {
     loadBackUpMapping();
@@ -311,30 +321,51 @@ void MainWindow::loadBackUpDeviceLists(QString list)
             tempParentDevice.ID = tempDevice.parentID;
             tempParentDevice.loadDevice("defaultConnection");
 
-            //Add row
-            QList<QStandardItem*> row;
-            row.append(new QStandardItem(tempParentDevice.name));
-            row.append(new QStandardItem(QString::number(tempDevice.ID)));
-            row.append(new QStandardItem(tempDevice.name));
-            model->appendRow(row);
+            //Add row if valid for the type of list
+            if (list == "Source_without_mapping") {
+                // Only add devices that do NOT have a mapping
+                if (!tempDevice.verifyDeviceHasSourceMapping()) {
+                    QList<QStandardItem*> row;
+                    row.append(new QStandardItem(tempParentDevice.name));
+                    row.append(new QStandardItem(QString::number(tempDevice.ID)));
+                    row.append(new QStandardItem(tempDevice.name));
+                    model->appendRow(row);
+                }
+            }
+            else if (list == "Target_without_mapping") {
+                // Only add devices that do NOT have a mapping
+                if (!tempDevice.verifyDeviceHasTargetMapping()) {
+                    QList<QStandardItem*> row;
+                    row.append(new QStandardItem(tempParentDevice.name));
+                    row.append(new QStandardItem(QString::number(tempDevice.ID)));
+                    row.append(new QStandardItem(tempDevice.name));
+                    model->appendRow(row);
+                }
+            }
+            else {
+                // For other list types, add all devices
+                QList<QStandardItem*> row;
+                row.append(new QStandardItem(tempParentDevice.name));
+                row.append(new QStandardItem(QString::number(tempDevice.ID)));
+                row.append(new QStandardItem(tempDevice.name));
+                model->appendRow(row);
+            }
         }
     }
 
-    //Load model to the Source view
-    if (list =="Source"){
-        ui->BackUp_treeView_List1->setModel(model);
-        ui->BackUp_treeView_List1->resizeColumnToContents(1);
-        ui->BackUp_treeView_List1->setEditTriggers(QAbstractItemView::NoEditTriggers);
-        ui->BackUp_treeView_List1->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
-    }
-
     //Load model to the Target view
-    if (list =="Target"){
+    if (list.contains("Target")){
         ui->BackUp_treeView_List2->setModel(model);
         ui->BackUp_treeView_List2->resizeColumnToContents(1);
         ui->BackUp_treeView_List2->setEditTriggers(QAbstractItemView::NoEditTriggers);
         ui->BackUp_treeView_List2->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
     }
+    else{
+        ui->BackUp_treeView_List1->setModel(model);
+        ui->BackUp_treeView_List1->resizeColumnToContents(1);
+        ui->BackUp_treeView_List1->setEditTriggers(QAbstractItemView::NoEditTriggers);
+        ui->BackUp_treeView_List1->header()->setSectionResizeMode(QHeaderView::ResizeToContents);
+    }
 }
 
 void MainWindow::saveNewMapping()