replace QgsRasterLayer::buildSupportedRasterFileFilter() with QgsProviderRegistry::instance()->fileRasterFilters()

Author: etiennesky

python/core/qgsproviderregistry.sip

@@ -69,6 +69,15 @@ class QgsProviderRegistry
       It'd be nice to eventually be raster/vector neutral.
     */
     virtual QString fileVectorFilters() const;
+    /** return raster file filter string
+
+      Returns a string suitable for a QFileDialog of raster file formats
+      supported by all data providers.
+
+      @note this method was added in QGIS 2.0
+      @note This replaces QgsRasterLayer::buildSupportedRasterFileFilter()
+    */
+    virtual QString fileRasterFilters() const;
     /** return a string containing the available database drivers
     * @note this method was added in QGIS 1.1
     */

python/core/raster/qgsrasterlayer.sip

@@ -77,8 +77,6 @@ class QgsRasterLayer : QgsMapLayer
     //
     // Static methods:
     //
-    static void buildSupportedRasterFileFilter( QString & fileFilters );
-    static QString buildSupportedRasterFileFilter2(); /* for sip api v2 */
 
     /** This helper checks to see whether the file name appears to be a valid
      *  raster file name.  If the file name looks like it could be valid,

python/plugins/GdalTools/tools/GdalTools_utils.py

@@ -428,7 +428,7 @@ def setFilter(self, typeName, aFilter):
   @classmethod
   def allRastersFilter(self):
     if self.rastersFilter == '':
-      self.rastersFilter = QgsRasterLayer.buildSupportedRasterFileFilter2()
+      self.rastersFilter = QgsProviderRegistry.instance().fileRasterFilters()
 
       # workaround for QGis < 1.5 (see #2376)
       # removed as this is a core plugin QGis >= 1.9

src/app/qgisapp.cpp

@@ -638,11 +638,10 @@ QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, QWidget * parent,
 
   mSplash->showMessage( tr( "Initializing file filters" ), Qt::AlignHCenter | Qt::AlignBottom );
   qApp->processEvents();
-  // now build vector file filter
-  mVectorFileFilter = QgsProviderRegistry::instance()->fileVectorFilters();
 
-  // now build raster file filter
-  QgsRasterLayer::buildSupportedRasterFileFilter( mRasterFileFilter );
+  // now build vector and raster file filters
+  mVectorFileFilter = QgsProviderRegistry::instance()->fileVectorFilters();
+  mRasterFileFilter = QgsProviderRegistry::instance()->fileRasterFilters();
 
   // set handler for missing layers (will be owned by QgsProject)
   QgsProject::instance()->setBadLayerHandler( new QgsHandleBadLayersHandler() );
@@ -6596,8 +6595,7 @@ void QgisApp::options()
     //do we need this? TS
     mMapCanvas->refresh();
 
-    mRasterFileFilter.clear();
-    QgsRasterLayer::buildSupportedRasterFileFilter( mRasterFileFilter );
+    mRasterFileFilter = QgsProviderRegistry::instance()->fileRasterFilters();
 
     if ( oldScales != mySettings.value( "Map/scales", PROJECT_SCALES ).toString() )
     {

src/app/qgshandlebadlayers.cpp

@@ -63,7 +63,7 @@ QgsHandleBadLayers::QgsHandleBadLayers( const QList<QDomNode> &layers, const QDo
   setupUi( this );
 
   mVectorFileFilter = QgsProviderRegistry::instance()->fileVectorFilters();
-  QgsRasterLayer::buildSupportedRasterFileFilter( mRasterFileFilter );
+  mRasterFileFilter = QgsProviderRegistry::instance()->fileRasterFilters();
 
   mBrowseButton = new QPushButton( tr( "Browse" ) );
   buttonBox->addButton( mBrowseButton, QDialogButtonBox::ActionRole );

src/core/qgsproviderregistry.cpp

@@ -36,6 +36,7 @@ typedef QString providerkey_t();
 typedef QString description_t();
 typedef bool    isprovider_t();
 typedef QString fileVectorFilters_t();
+typedef void buildsupportedrasterfilefilter_t( QString & theFileFiltersString );
 typedef QString databaseDrivers_t();
 typedef QString directoryDrivers_t();
 typedef QString protocolDrivers_t();
@@ -183,6 +184,22 @@ QgsProviderRegistry::QgsProviderRegistry( QString pluginPath )
 
       QgsDebugMsg( QString( "Checking %1: ...loaded ok (%2 file filters)" ).arg( myLib.fileName() ).arg( fileVectorFilters.split( ";;" ).count() ) );
     }
+
+    // now get raster file filters, if any
+    // this replaces deprecated QgsRasterLayer::buildSupportedRasterFileFilter
+    buildsupportedrasterfilefilter_t *pBuild = 
+      ( buildsupportedrasterfilefilter_t * ) cast_to_fptr( myLib.resolve( "buildSupportedRasterFileFilter" ) );
+    if ( pBuild )
+    {
+      QString fileRasterFilters;
+      pBuild( fileRasterFilters );
+
+      QgsDebugMsg( "raster filters: "+fileRasterFilters);
+      if ( !fileRasterFilters.isEmpty() )
+        mRasterFileFilters += fileRasterFilters;
+
+      QgsDebugMsg( QString( "Checking %1: ...loaded ok (%2 file filters)" ).arg( myLib.fileName() ).arg( fileRasterFilters.split( ";;" ).count() ) );
+    }
   }
 } // QgsProviderRegistry ctor
 
@@ -411,6 +428,11 @@ QString QgsProviderRegistry::fileVectorFilters() const
   return mVectorFileFilters;
 }
 
+QString QgsProviderRegistry::fileRasterFilters() const
+{
+  return mRasterFileFilters;
+}
+
 QString QgsProviderRegistry::databaseDrivers() const
 {
   return mDatabaseDrivers;

src/core/qgsproviderregistry.h

@@ -100,6 +100,18 @@ class CORE_EXPORT QgsProviderRegistry
       It'd be nice to eventually be raster/vector neutral.
     */
     virtual QString fileVectorFilters() const;
+    /** return raster file filter string
+
+      Returns a string suitable for a QFileDialog of raster file formats
+      supported by all data providers.
+
+      This walks through all data providers appending calls to their
+      buildSupportedRasterFileFilter to a string, which is then returned.
+
+      @note this method was added in QGIS 2.0
+      @note This replaces QgsRasterLayer::buildSupportedRasterFileFilter()
+    */
+    virtual QString fileRasterFilters() const;
     /** return a string containing the available database drivers
     * @note this method was added in QGIS 1.1
     */
@@ -165,6 +177,9 @@ class CORE_EXPORT QgsProviderRegistry
         one time.
      */
     QString mVectorFileFilters;
+    /** file filter string for raster files
+     */
+    QString mRasterFileFilters;
     /** Available database drivers string for vector databases
 
      This is a string of form:

src/core/raster/qgsrasterlayer.cpp

@@ -68,7 +68,6 @@ email                : tim at linfiniti.com
 #include <QTime>
 
 // typedefs for provider plugin functions of interest
-typedef void buildsupportedrasterfilefilter_t( QString & theFileFiltersString );
 typedef bool isvalidrasterfilename_t( QString const & theFileNameQString, QString & retErrMsg );
 
 #define ERR(message) QGS_ERROR_MESSAGE(message,"Raster layer")
@@ -162,33 +161,6 @@ QgsRasterLayer::~QgsRasterLayer()
 // Static Methods and members
 //
 /////////////////////////////////////////////////////////
-/**
-  Builds the list of file filter strings to later be used by
-  QgisApp::addRasterLayer()
-  We query GDAL for a list of supported raster formats; we then build
-  a list of file filter strings from that list.  We return a string
-  that contains this list that is suitable for use in a
-  QFileDialog::getOpenFileNames() call.
-*/
-void QgsRasterLayer::buildSupportedRasterFileFilter( QString & theFileFiltersString )
-{
-  QgsDebugMsg( "Entered" );
-  buildsupportedrasterfilefilter_t *pBuild = ( buildsupportedrasterfilefilter_t * ) cast_to_fptr( QgsProviderRegistry::instance()->function( "gdal", "buildSupportedRasterFileFilter" ) );
-  if ( ! pBuild )
-  {
-    QgsDebugMsg( "Could not get buildSupportedRasterFileFilter in gdal provider library" );
-    return;
-  }
-
-  pBuild( theFileFiltersString );
-}
-
-QString QgsRasterLayer::buildSupportedRasterFileFilter2( )
-{
-  QString theFileFiltersString;
-  buildSupportedRasterFileFilter( theFileFiltersString );
-  return theFileFiltersString;
-}
 
 /**
  * This helper checks to see whether the file name appears to be a valid raster file name

src/core/raster/qgsrasterlayer.h

@@ -228,9 +228,6 @@ class CORE_EXPORT QgsRasterLayer : public QgsMapLayer
       ColorLayer
     };
 
-    static void buildSupportedRasterFileFilter( QString & fileFilters );
-    static QString buildSupportedRasterFileFilter2(); /* for sip api v2 */
-
     /** This helper checks to see whether the file name appears to be a valid
      *  raster file name.  If the file name looks like it could be valid,
      *  but some sort of error occurs in processing the file, the error is

src/plugins/georeferencer/qgsgeorefplugingui.cpp

@@ -48,6 +48,7 @@
 #include "qgsproject.h"
 #include "qgsrasterlayer.h"
 #include "../../app/qgsrasterlayerproperties.h"
+#include "qgsproviderregistry.h"
 
 #include "qgsgeorefdatapoint.h"
 #include "qgsgeoreftooladdpoint.h"
@@ -211,8 +212,7 @@ void QgsGeorefPluginGui::openRaster()
   QString otherFiles = tr( "All other files (*)" );
   QString lastUsedFilter = s.value( "/Plugin-GeoReferencer/lastusedfilter", otherFiles ).toString();
 
-  QString filters;
-  QgsRasterLayer::buildSupportedRasterFileFilter( filters );
+  QString filters = QgsProviderRegistry::instance()->fileRasterFilters();
   filters.prepend( otherFiles + ";;" );
   filters.chop( otherFiles.size() + 2 );
   mRasterFileName = QFileDialog::getOpenFileName( this, tr( "Open raster" ), dir, filters, &lastUsedFilter );

src/plugins/georeferencer/qgsopenrasterdialog.cpp

@@ -64,8 +64,7 @@ void QgsOpenRasterDialog::on_tbnSelectRaster_clicked()
 
   QString lastUsedFilter = settings.value( "/Plugin-GeoReferencer/lastusedfilter" ).toString();
 
-  QString filters;
-  QgsRasterLayer::buildSupportedRasterFileFilter( filters );
+  QString filters = QgsProviderRegistry::instance()->fileRasterFilters();
   filters.prepend( "(*.*);;" );
   QString rasterFileName = QFileDialog::getOpenFileName( this, tr( "Choose a name of the raster" ), dir,
                            filters, &lastUsedFilter );

src/providers/gdal/qgsgdalprovider.cpp

@@ -1818,6 +1818,8 @@ void buildSupportedRasterFileFilterAndExtensions( QString & theFileFiltersString
 
   GDALDriverH jp2Driver = NULL; // first JPEG2000 driver found
 
+  QgsGdalProviderBase::registerGdalDrivers();
+
   // Grind through all the drivers and their respective metadata.
   // We'll add a file filter for those drivers that have a file
   // extension defined for them; the others, well, even though
@@ -1832,6 +1834,8 @@ void buildSupportedRasterFileFilterAndExtensions( QString & theFileFiltersString
   // start with the default case
   theFileFiltersString = QObject::tr( "[GDAL] All files (*)" );
 
+  QgsDebugMsg( QString( "GDAL driver count: %1" ).arg( GDALGetDriverCount() ) );
+
   for ( int i = 0; i < GDALGetDriverCount(); ++i )
   {
     myGdalDriver = GDALGetDriver( i );