add support for plugin dialogs raster layer properties

python/gui/auto_generated/raster/qgsrasterlayerproperties.sip.in

@@ -34,6 +34,11 @@ Constructor
 :param canvas: the :py:class:`QgsMapCanvas` instance
 :param parent: the parent of this widget
 :param fl: windows flag
+%End
+
+    void addPropertiesPageFactory( QgsMapLayerConfigWidgetFactory *factory );
+%Docstring
+Adds a properties page factory to the raster layer properties dialog.
 %End
 
   protected slots:

src/app/qgisapp.cpp

     case QgsMapLayerType::RasterLayer:
     {
       QgsRasterLayerProperties *rasterLayerPropertiesDialog = new QgsRasterLayerProperties( mapLayer, mMapCanvas, this );
+
+      for ( QgsMapLayerConfigWidgetFactory *factory : qgis::as_const( mMapLayerPanelFactories ) )
+      {
+        rasterLayerPropertiesDialog->addPropertiesPageFactory( factory );
+      }
+
       if ( !page.isEmpty() )
         rasterLayerPropertiesDialog->setCurrentPage( page );
 

src/gui/raster/qgsrasterlayerproperties.cpp

@@ -63,6 +63,7 @@
 #include "qgsproviderregistry.h"
 #include "qgsrasterlayertemporalproperties.h"
 #include "qgsdoublevalidator.h"
+#include "qgsmaplayerconfigwidgetfactory.h"
 
 #include "qgsrasterlayertemporalpropertieswidget.h"
 #include "qgsprojecttimesettings.h"
@@ -545,6 +546,23 @@ QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer *lyr, QgsMapCanv
   mOptsPage_Server->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#server-properties" ) );
 }
 
+void QgsRasterLayerProperties::addPropertiesPageFactory( QgsMapLayerConfigWidgetFactory *factory )
+{
+  if ( !factory->supportsLayer( mRasterLayer ) || !factory->supportLayerPropertiesDialog() )
+  {
+    return;
+  }
+
+  QgsMapLayerConfigWidget *page = factory->createWidget( mRasterLayer, nullptr, false, this );
+  mLayerPropertiesPages << page;
+
+  const QString beforePage = factory->layerPropertiesPagePositionHint();
+  if ( beforePage.isEmpty() )
+    addPage( factory->title(), factory->title(), factory->icon(), page );
+  else
+    insertPage( factory->title(), factory->title(), factory->icon(), page, beforePage );
+}
+
 void QgsRasterLayerProperties::setupTransparencyTable( int nBands )
 {
   tableTransparency->clear();
@@ -930,6 +948,13 @@ void QgsRasterLayerProperties::sync()
   mLegendConfigEmbeddedWidget->setLayer( mRasterLayer );
 
   mTemporalWidget->syncToLayer();
+
+  const auto constMLayerPropertiesPages = mLayerPropertiesPages;
+  for ( QgsMapLayerConfigWidget *page : constMLayerPropertiesPages )
+  {
+    page->syncToLayer( mRasterLayer );
+  }
+
 }
 
 void QgsRasterLayerProperties::apply()

src/gui/raster/qgsrasterlayerproperties.h

@@ -41,6 +41,8 @@ class QgsRasterHistogramWidget;
 class QgsRasterLayerTemporalPropertiesWidget;
 class QgsWebView;
 class QgsProviderSourceWidget;
+class QgsMapLayerConfigWidgetFactory;
+class QgsMapLayerConfigWidget;
 
 
 /**
@@ -77,6 +79,9 @@ class GUI_EXPORT QgsRasterLayerProperties : public QgsOptionsDialogBase, private
      */
     QgsRasterLayerProperties( QgsMapLayer *lyr, QgsMapCanvas *canvas, QWidget *parent = nullptr, Qt::WindowFlags = QgsGuiUtils::ModalDialogFlags );
 
+    //! Adds a properties page factory to the raster layer properties dialog.
+    void addPropertiesPageFactory( QgsMapLayerConfigWidgetFactory *factory );
+
   protected slots:
     //! \brief auto slot executed when the active page in the main widget stack is changed
     void optionsStackedWidget_CurrentChanged( int index ) override SIP_SKIP ;
@@ -191,6 +196,9 @@ class GUI_EXPORT QgsRasterLayerProperties : public QgsOptionsDialogBase, private
     QAction *mActionLoadMetadata = nullptr;
     QAction *mActionSaveMetadataAs = nullptr;
 
+    //! A list of additional pages provided by plugins
+    QList<QgsMapLayerConfigWidget *> mLayerPropertiesPages;
+
     //! \brief  A constant that signals property not used
     const QString TRSTRING_NOT_SET;