Set currentfeature expression variable for Atlas printing. Fix #8766

NathanW2 · NathanW2 · commit bff6fe5913f2 · 2013-11-07T21:09:46.000+10:00
diff --git a/src/core/composer/qgsatlascomposition.cpp b/src/core/composer/qgsatlascomposition.cpp
@@ -41,6 +41,7 @@ QgsAtlasComposition::QgsAtlasComposition( QgsComposition* composition ) :
   QgsExpression::setSpecialColumn( "$feature", QVariant(( int )0 ) );
   QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )1 ) );
   QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )0 ) );
+  QgsExpression::setSpecialColumn( "$currentfeature", QVariant(( int )0 ) );
 }
 
 QgsAtlasComposition::~QgsAtlasComposition()
@@ -225,6 +226,7 @@ void QgsAtlasComposition::prepareForFeature( int featureI )
 
   // retrieve the next feature, based on its id
   mCoverageLayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureIds[ featureI ] ) ).nextFeature( mCurrentFeature );
+  QgsExpression::setSpecialColumn( "$currentfeature", mCurrentFeature.id() );
 
   if ( !mSingleFile && mFilenamePattern.size() > 0 )
   {

Original file line number	Diff line number	Diff line change
`@@ -41,6 +41,7 @@ QgsAtlasComposition::QgsAtlasComposition( QgsComposition* composition ) :`
`41`	`41`	`QgsExpression::setSpecialColumn( "$feature", QVariant(( int )0 ) );`
`42`	`42`	`QgsExpression::setSpecialColumn( "$numpages", QVariant(( int )1 ) );`
`43`	`43`	`QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )0 ) );`
	`44`	`+ QgsExpression::setSpecialColumn( "$currentfeature", QVariant(( int )0 ) );`
`44`	`45`	`}`
`45`	`46`
`46`	`47`	`QgsAtlasComposition::~QgsAtlasComposition()`
`@@ -225,6 +226,7 @@ void QgsAtlasComposition::prepareForFeature( int featureI )`
`225`	`226`
`226`	`227`	`// retrieve the next feature, based on its id`
`227`	`228`	`mCoverageLayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureIds[ featureI ] ) ).nextFeature( mCurrentFeature );`
	`229`	`+ QgsExpression::setSpecialColumn( "$currentfeature", mCurrentFeature.id() );`
`228`	`230`
`229`	`231`	`if ( !mSingleFile && mFilenamePattern.size() > 0 )`
`230`	`232`	`{`