Fix some editor widget config dialogs don't show default settings

src/gui/editorwidgets/qgsdatetimeeditconfig.cpp

@@ -121,43 +121,29 @@ QgsEditorWidgetConfig QgsDateTimeEditConfig::config()
 
 void QgsDateTimeEditConfig::setConfig( const QgsEditorWidgetConfig &config )
 {
-  if ( config.contains( "field_format" ) )
+  const QString fieldFormat = config.value( "field_format", QGSDATETIMEEDIT_DATEFORMAT ).toString();
+  mFieldFormatEdit->setText( fieldFormat );
+
+  if ( fieldFormat == QGSDATETIMEEDIT_DATEFORMAT )
+    mFieldFormatComboBox->setCurrentIndex( 0 );
+  else if ( fieldFormat == QGSDATETIMEEDIT_TIMEFORMAT )
+    mFieldFormatComboBox->setCurrentIndex( 1 );
+  else if ( fieldFormat == QGSDATETIMEEDIT_DATETIMEFORMAT )
+    mFieldFormatComboBox->setCurrentIndex( 2 );
+  else
+    mFieldFormatComboBox->setCurrentIndex( 3 );
+
+  QString displayFormat = config.value( "display_format", QGSDATETIMEEDIT_DATEFORMAT ).toString();
+  mDisplayFormatEdit->setText( displayFormat );
+  if ( displayFormat == mFieldFormatEdit->text() )
   {
-    const QString fieldFormat = config[ "field_format" ].toString();
-    mFieldFormatEdit->setText( fieldFormat );
-
-    if ( fieldFormat == QGSDATETIMEEDIT_DATEFORMAT )
-      mFieldFormatComboBox->setCurrentIndex( 0 );
-    else if ( fieldFormat == QGSDATETIMEEDIT_TIMEFORMAT )
-      mFieldFormatComboBox->setCurrentIndex( 1 );
-    else if ( fieldFormat == QGSDATETIMEEDIT_DATETIMEFORMAT )
-      mFieldFormatComboBox->setCurrentIndex( 2 );
-    else
-      mFieldFormatComboBox->setCurrentIndex( 3 );
+    mDisplayFormatComboBox->setCurrentIndex( 0 );
   }
-
-  if ( config.contains( "display_format" ) )
-  {
-    const QString displayFormat = config[ "display_format" ].toString();
-    mDisplayFormatEdit->setText( displayFormat );
-    if ( displayFormat == mFieldFormatEdit->text() )
-    {
-      mDisplayFormatComboBox->setCurrentIndex( 0 );
-    }
-    else
-    {
-      mDisplayFormatComboBox->setCurrentIndex( 1 );
-    }
-  }
-
-  if ( config.contains( "calendar_popup" ) )
-  {
-    mCalendarPopupCheckBox->setChecked( config[ "calendar_popup" ].toBool() );
-  }
-
-  if ( config.contains( "allow_null" ) )
+  else
   {
-    mAllowNullCheckBox->setChecked( config[ "allow_null" ].toBool() );
+    mDisplayFormatComboBox->setCurrentIndex( 1 );
   }
 
+  mCalendarPopupCheckBox->setChecked( config.value( "calendar_popup" , false ).toBool() );
+  mAllowNullCheckBox->setChecked( config.value( "allow_null", true ).toBool() );
 }

src/gui/editorwidgets/qgsdatetimeeditfactory.cpp

@@ -128,4 +128,4 @@ unsigned int QgsDateTimeEditFactory::fieldScore( const QgsVectorLayer* vl, int f
   {
     return 5;
   }
-}
+}

src/gui/editorwidgets/qgsrangewidgetwrapper.cpp

@@ -74,7 +74,7 @@ void QgsRangeWidgetWrapper::initWidget( QWidget* editor )
   mQgsDial = qobject_cast<QgsDial*>( editor );
   mQgsSlider = qobject_cast<QgsSlider*>( editor );
 
-  bool allowNull = config( "AllowNull" ).toBool();
+  bool allowNull = config( "AllowNull", true ).toBool();
 
   QVariant min( config( "Min" ) );
   QVariant max( config( "Max" ) );

src/gui/editorwidgets/qgsrelationreferenceconfigdlg.cpp

@@ -56,39 +56,19 @@ QgsRelationReferenceConfigDlg::QgsRelationReferenceConfigDlg( QgsVectorLayer* vl
 
 void QgsRelationReferenceConfigDlg::setConfig( const QgsEditorWidgetConfig& config )
 {
-  if ( config.contains( "AllowNULL" ) )
-  {
-    mCbxAllowNull->setChecked( config.value( "AllowNULL" ).toBool() );
-  }
-
-  if ( config.contains( "OrderByValue" ) )
-  {
-    mCbxOrderByValue->setChecked( config.value( "OrderByValue" ).toBool() );
-  }
-
-  if ( config.contains( "ShowForm" ) )
-  {
-    mCbxShowForm->setChecked( config.value( "ShowForm" ).toBool() );
-  }
+  mCbxAllowNull->setChecked( config.value( "AllowNULL", false ).toBool() );
+  mCbxOrderByValue->setChecked( config.value( "OrderByValue", false ).toBool() );
+  mCbxShowForm->setChecked( config.value( "ShowForm", true ).toBool() );
 
   if ( config.contains( "Relation" ) )
   {
     mComboRelation->setCurrentIndex( mComboRelation->findData( config.value( "Relation" ).toString() ) );
     relationChanged( mComboRelation->currentIndex() );
   }
 
-  if ( config.contains( "MapIdentification" ) )
-  {
-    mCbxMapIdentification->setChecked( config.value( "MapIdentification" ).toBool() );
-  }
-
-  if ( config.contains( "AllowAddFeatures" ) )
-    mCbxAllowAddFeatures->setChecked( config.value( "AllowAddFeatures" ).toBool() );
-
-  if ( config.contains( "ReadOnly" ) )
-  {
-    mCbxReadOnly->setChecked( config.value( "ReadOnly" ).toBool() );
-  }
+  mCbxMapIdentification->setChecked( config.value( "MapIdentification", false ).toBool() );
+  mCbxAllowAddFeatures->setChecked( config.value( "AllowAddFeatures", false ).toBool() );
+  mCbxReadOnly->setChecked( config.value( "ReadOnly", false ).toBool() );
 
   if ( config.contains( "FilterFields" ) )
   {