Gui: also sort parameter groups in ascending order [skip ci]

src/Gui/DlgParameter.ui

@@ -36,6 +36,16 @@
      <property name="spacing" >
       <number>6</number>
      </property>
+     <item>
+      <widget class="QCheckBox" name="checkSort" >
+       <property name="text" >
+        <string>Sorted</string>
+       </property>
+       <property name="checked" >
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QPushButton" name="buttonFind" >
        <property name="text" >

src/Gui/DlgParameterImp.cpp

@@ -63,11 +63,18 @@ DlgParameterImp::DlgParameterImp( QWidget* parent,  Qt::WindowFlags fl )
   , ui(new Ui_DlgParameter)
 {
     ui->setupUi(this);
-    QStringList groupLabels; 
+    ui->checkSort->setVisible(false); // for testing
+
+    QStringList groupLabels;
     groupLabels << tr( "Group" );
     paramGroup = new ParameterGroup(ui->splitter3);
     paramGroup->setHeaderLabels(groupLabels);
     paramGroup->setRootIsDecorated(false);
+#if QT_VERSION >= 0x050000
+    paramGroup->setSortingEnabled(true);
+    paramGroup->sortByColumn(0, Qt::AscendingOrder);
+    paramGroup->header()->setProperty("showSortIndicator", QVariant(true));
+#endif
 
     QStringList valueLabels; 
     valueLabels << tr( "Name" ) << tr( "Type" ) << tr( "Value" );
@@ -77,6 +84,7 @@ DlgParameterImp::DlgParameterImp( QWidget* parent,  Qt::WindowFlags fl )
 #if QT_VERSION >= 0x050000
     paramValue->header()->setSectionResizeMode(0, QHeaderView::Stretch);
     paramValue->setSortingEnabled(true);
+    paramValue->sortByColumn(0, Qt::AscendingOrder);
     paramValue->header()->setProperty("showSortIndicator", QVariant(true));
 #else
     paramValue->header()->setResizeMode(0, QHeaderView::Stretch);
@@ -144,6 +152,21 @@ void DlgParameterImp::changeEvent(QEvent *e)
     }
 }
 
+void DlgParameterImp::on_checkSort_toggled(bool on)
+{
+#if QT_VERSION >= 0x050000
+    paramGroup->setSortingEnabled(on);
+    paramGroup->sortByColumn(0, Qt::AscendingOrder);
+    paramGroup->header()->setProperty("showSortIndicator", QVariant(on));
+#endif
+
+#if QT_VERSION >= 0x050000
+    paramValue->setSortingEnabled(on);
+    paramValue->sortByColumn(0, Qt::AscendingOrder);
+    paramValue->header()->setProperty("showSortIndicator", QVariant(on));
+#endif
+}
+
 void DlgParameterImp::on_closeButton_clicked()
 {
     close();

src/Gui/DlgParameterImp.h

@@ -61,6 +61,7 @@ protected Q_SLOTS:
 
     void onGroupSelected(QTreeWidgetItem *);
     void on_closeButton_clicked();
+    void on_checkSort_toggled(bool);
 
 protected:
     void changeEvent(QEvent *e);