API Cleanup: Use begin() instead of reset() to move to start of selected features

git-svn-id: http://svn.osgeo.org/qgis/trunk@9447 c8812cc2-4d05-0410-92ff-de0c093fc19c

python/core/qgsvectordataprovider.sip

@@ -112,7 +112,7 @@ class QgsVectorDataProvider : QgsDataProvider
       virtual QString dataComment() const;
       
       /** Restart reading features from previous select operation */
-      virtual void reset() = 0;
+      virtual void begin() = 0;
 
       /**
        * Returns the minimum value of an attributs

src/core/qgsvectordataprovider.h

@@ -155,7 +155,7 @@ class CORE_EXPORT QgsVectorDataProvider : public QgsDataProvider
     virtual QString dataComment() const;
 
     /** Restart reading features from previous select operation */
-    virtual void reset() = 0;
+    virtual void begin() = 0;
 
     /**
      * Returns the minimum value of an attribute

src/providers/delimitedtext/qgsdelimitedtextprovider.cpp

@@ -434,7 +434,7 @@ void QgsDelimitedTextProvider::select( QgsAttributeList fetchAttributes,
   {
     mSelectionRectangle = rect;
   }
-  reset();
+  begin();
 }
 
 
@@ -476,7 +476,7 @@ const QgsFieldMap & QgsDelimitedTextProvider::fields() const
   return attributeFields;
 }
 
-void QgsDelimitedTextProvider::reset()
+void QgsDelimitedTextProvider::begin()
 {
   // Reset feature id to 0
   mFid = 0;

src/providers/delimitedtext/qgsdelimitedtextprovider.h

@@ -103,7 +103,7 @@ class QgsDelimitedTextProvider : public QgsVectorDataProvider
     virtual const QgsFieldMap & fields() const;
 
     /** Restart reading features from previous select operation */
-    virtual void reset();
+    virtual void begin();
 
     /** Returns a bitmask containing the supported capabilities
         Note, some capabilities may change depending on whether

src/providers/gpx/qgsgpxprovider.cpp

@@ -381,7 +381,7 @@ void QgsGPXProvider::select( QgsAttributeList fetchAttributes,
   mAttributesToFetch = fetchAttributes;
   mFetchGeom = fetchGeometry;
 
-  reset();
+  begin();
 }
 
 
@@ -438,7 +438,7 @@ const QgsFieldMap& QgsGPXProvider::fields() const
 }
 
 
-void QgsGPXProvider::reset()
+void QgsGPXProvider::begin()
 {
   if ( mFeatureType == WaypointType )
     mWptIter = data->waypointsBegin();

src/providers/gpx/qgsgpxprovider.h

@@ -93,7 +93,7 @@ class QgsGPXProvider : public QgsVectorDataProvider
     virtual const QgsFieldMap & fields() const;
 
     /** Restart reading features from previous select operation */
-    virtual void reset();
+    virtual void begin();
 
     /**
      * Adds a list of features

src/providers/grass/qgsgrassprovider.cpp

@@ -557,7 +557,7 @@ int QgsGrassProvider::keyField()
   return mLayers[mLayerId].keyColumn;
 }
 
-void QgsGrassProvider::reset()
+void QgsGrassProvider::begin()
 {
   if ( isEdited() || isFrozen() || !mValid )
     return;

src/providers/grass/qgsgrassprovider.h

@@ -175,7 +175,7 @@ class GRASS_EXPORT QgsGrassProvider : public QgsVectorDataProvider
     int keyField();
 
     /** Restart reading features from previous select operation */
-    void reset();
+    void begin();
 
     /** Returns the minimum value of an attributs
      *  @param index the index of the attribute */

src/providers/memory/memoryprovider.cpp

@@ -175,10 +175,10 @@ void QgsMemoryProvider::select( QgsAttributeList fetchAttributes,
     mSelectSI_Features.clear();
   }
 
-  reset();
+  begin();
 }
 
-void QgsMemoryProvider::reset()
+void QgsMemoryProvider::begin()
 {
   if ( mSelectUsingSpatialIndex )
     mSelectSI_Iterator = mSelectSI_Features.begin();

src/providers/memory/memoryprovider.h

@@ -93,7 +93,7 @@ class QgsMemoryProvider : public QgsVectorDataProvider
     virtual const QgsFieldMap & fields() const;
 
     /** Restart reading features from previous select operation */
-    virtual void reset();
+    virtual void begin();
 
 
     /**

src/providers/ogr/qgsogrprovider.cpp

@@ -455,7 +455,7 @@ const QgsFieldMap & QgsOgrProvider::fields() const
   return mAttributeFields;
 }
 
-void QgsOgrProvider::reset()
+void QgsOgrProvider::begin()
 {
   OGR_L_ResetReading( ogrLayer );
 }

src/providers/ogr/qgsogrprovider.h

@@ -120,7 +120,7 @@ class QgsOgrProvider : public QgsVectorDataProvider
     virtual QgsRect extent();
 
     /** Restart reading features from previous select operation */
-    virtual void reset();
+    virtual void begin();
 
     /**Writes a list of features to the file*/
     virtual bool addFeatures( QgsFeatureList & flist );

src/providers/postgres/qgspostgresprovider.cpp

@@ -720,7 +720,7 @@ QString QgsPostgresProvider::dataComment() const
   return mDataComment;
 }
 
-void QgsPostgresProvider::reset()
+void QgsPostgresProvider::begin()
 {
   if ( mFetching )
   {
@@ -1876,7 +1876,7 @@ bool QgsPostgresProvider::addFeatures( QgsFeatureList & flist )
     returnvalue = false;
   }
 
-  reset();
+  begin();
   return returnvalue;
 }
 
@@ -1914,7 +1914,7 @@ bool QgsPostgresProvider::deleteFeatures( const QgsFeatureIds & id )
     connectionRW->PQexecNR( "ROLLBACK" );
     returnvalue = false;
   }
-  reset();
+  begin();
   return returnvalue;
 }
 
@@ -1953,7 +1953,7 @@ bool QgsPostgresProvider::addAttributes( const QgsNewAttributesMap & name )
     returnvalue = false;
   }
 
-  reset();
+  begin();
   return returnvalue;
 }
 
@@ -1998,7 +1998,7 @@ bool QgsPostgresProvider::deleteAttributes( const QgsAttributeIds& ids )
     returnvalue = false;
   }
 
-  reset();
+  begin();
   return returnvalue;
 }
 
@@ -2068,7 +2068,7 @@ bool QgsPostgresProvider::changeAttributeValues( const QgsChangedAttributesMap &
     returnvalue = false;
   }
 
-  reset();
+  begin();
 
   return returnvalue;
 }
@@ -2148,7 +2148,7 @@ bool QgsPostgresProvider::changeGeometryValues( QgsGeometryMap & geometry_map )
     returnvalue = false;
   }
 
-  reset();
+  begin();
 
   QgsDebugMsg( "exiting." );
 

src/providers/postgres/qgspostgresprovider.h

@@ -176,7 +176,7 @@ class QgsPostgresProvider : public QgsVectorDataProvider
     /** Reset the layer - for a PostgreSQL layer, this means clearing the PQresult
      * pointer, setting it to 0 and reloading the field list
      */
-    void reset();
+    void begin();
 
     /** Returns the minimum value of an attribute
      *  @param index the index of the attribute */

src/providers/wfs/qgswfsprovider.cpp

@@ -130,7 +130,7 @@ const QgsFieldMap & QgsWFSProvider::fields() const
   return mFields;
 }
 
-void QgsWFSProvider::reset()
+void QgsWFSProvider::begin()
 {
   mFeatureIterator = mSelectedFeatures.begin();
 }

src/providers/wfs/qgswfsprovider.h

@@ -69,7 +69,7 @@ class QgsWFSProvider: public QgsVectorDataProvider
     long featureCount() const;
     uint fieldCount() const;
     const QgsFieldMap & fields() const;
-    void reset();
+    void begin();
 
     virtual QgsCoordinateReferenceSystem getCRS();
 
@@ -114,7 +114,7 @@ class QgsWFSProvider: public QgsVectorDataProvider
     QgsSpatialIndex *mSpatialIndex;
     /**Vector where the ids of the selected features are inserted*/
     QList<int> mSelectedFeatures;
-    /**Iterator on the feature vector for use in reset(), getNextFeature(), etc...*/
+    /**Iterator on the feature vector for use in begin(), getNextFeature(), etc...*/
     QList<int>::iterator mFeatureIterator;
     /**Vector where the features are inserted*/
     QList<QgsFeature*> mFeatures;

src/providers/wms/qgswmsprovider.cpp

@@ -1666,7 +1666,7 @@ QgsRect QgsWmsProvider::extent()
   return layerExtent;
 }
 
-void QgsWmsProvider::reset()
+void QgsWmsProvider::begin()
 {
   // TODO
 }

src/providers/wms/qgswmsprovider.h

@@ -449,7 +449,7 @@ class QgsWmsProvider : public QgsRasterDataProvider
     /** Reset the layer - for a PostgreSQL layer, this means clearing the PQresult
      * pointer and setting it to 0
      */
-    void reset();
+    void begin();
 
     /**Returns true if layer is valid
     */