Added convenience constructors for QgsFeatureRequest

qgis · Mar 19, 2013 · ff0a434 · ff0a434
1 parent 9ed6f25
commit ff0a434
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Showing 3 changed files with 54 additions and 4 deletions.
diff --git a/python/core/qgsfeaturerequest.sip b/python/core/qgsfeaturerequest.sip
@@ -23,6 +23,10 @@ class QgsFeatureRequest
 
     //! construct a default request: for all features get attributes and geometries
     QgsFeatureRequest();
+    //! construct a request with feature ID filter
+    explicit QgsFeatureRequest( QgsFeatureId fid );
+    //! construct a request with rectangle filter
+    explicit QgsFeatureRequest( const QgsRectangle& rect );
 
     FilterType filterType() const;
 

diff --git a/src/core/qgsfeaturerequest.cpp b/src/core/qgsfeaturerequest.cpp
@@ -24,6 +24,48 @@ QgsFeatureRequest::QgsFeatureRequest()
 {
 }
 
+QgsFeatureRequest::QgsFeatureRequest( QgsFeatureId fid )
+  : mFilter( FilterFid )
+  , mFilterFid( fid )
+  , mFlags( 0 )
+{
+}
+
+QgsFeatureRequest::QgsFeatureRequest( const QgsRectangle& rect )
+    : mFilter( FilterRect )
+    , mFilterRect( rect )
+    , mFlags( 0 )
+{
+}
+
+
+QgsFeatureRequest& QgsFeatureRequest::setFilterRect( const QgsRectangle& rect )
+{
+  mFilter = FilterRect;
+  mFilterRect = rect;
+  return *this;
+}
+
+QgsFeatureRequest& QgsFeatureRequest::setFilterFid( QgsFeatureId fid )
+{
+  mFilter = FilterFid;
+  mFilterFid = fid;
+  return *this;
+}
+
+QgsFeatureRequest& QgsFeatureRequest::setFlags( QgsFeatureRequest::Flags flags )
+{
+  mFlags = flags;
+  return *this;
+}
+
+QgsFeatureRequest& QgsFeatureRequest::setSubsetOfAttributes( const QgsAttributeList& attrs )
+{
+  mFlags |= SubsetOfAttributes;
+  mAttrs = attrs;
+  return *this;
+}
+
 
 QgsFeatureRequest& QgsFeatureRequest::setSubsetOfAttributes( const QStringList& attrNames, const QgsFields& fields )
 {

diff --git a/src/core/qgsfeaturerequest.h b/src/core/qgsfeaturerequest.h
@@ -73,25 +73,29 @@ class CORE_EXPORT QgsFeatureRequest
 
     //! construct a default request: for all features get attributes and geometries
     QgsFeatureRequest();
+    //! construct a request with feature ID filter
+    explicit QgsFeatureRequest( QgsFeatureId fid );
+    //! construct a request with rectangle filter
+    explicit QgsFeatureRequest( const QgsRectangle& rect );
 
     FilterType filterType() const { return mFilter; }
 
     //! Set rectangle from which features will be taken. Empty rectangle removes the filter.
     //!
-    QgsFeatureRequest& setFilterRect( const QgsRectangle& rect ) { mFilter = FilterRect; mFilterRect = rect; return *this; }
+    QgsFeatureRequest& setFilterRect( const QgsRectangle& rect );
     const QgsRectangle& filterRect() const { return mFilterRect; }
 
     //! Set feature ID that should be fetched.
-    QgsFeatureRequest& setFilterFid( QgsFeatureId fid ) { mFilter = FilterFid; mFilterFid = fid; return *this; }
+    QgsFeatureRequest& setFilterFid( QgsFeatureId fid );
     const QgsFeatureId& filterFid() const { return mFilterFid; }
 
     //! Set flags that affect how features will be fetched
-    QgsFeatureRequest& setFlags( Flags flags ) { mFlags = flags; return *this; }
+    QgsFeatureRequest& setFlags( Flags flags );
     const Flags& flags() const { return mFlags; }
 
     //! Set a subset of attributes that will be fetched. Empty list means that all attributes are used.
     //! To disable fetching attributes, reset the FetchAttributes flag (which is set by default)
-    QgsFeatureRequest& setSubsetOfAttributes( const QgsAttributeList& attrs ) { mFlags |= SubsetOfAttributes; mAttrs = attrs; return *this; }
+    QgsFeatureRequest& setSubsetOfAttributes( const QgsAttributeList& attrs );
     const QgsAttributeList& subsetOfAttributes() const { return mAttrs; }
 
     //! Set a subset of attributes by names that will be fetched