bool QgsGeometrySelfIntersectionCheckError::handleChanges( const QgsGeometryCheck::Changes &changes )
{
if ( !QgsGeometryCheckError::handleChanges( changes ) )
{
return false;
}
Q_FOREACH ( const QgsGeometryCheck::Change &change, changes.value( featureId() ) )
{
if ( change.vidx.vertex == mInter.segment1 ||
change.vidx.vertex == mInter.segment1 + 1 ||
change.vidx.vertex == mInter.segment2 ||
change.vidx.vertex == mInter.segment2 + 1 )
{
return false;
}
else if ( change.vidx.vertex >= 0 )
{
if ( change.vidx.vertex < mInter.segment1 )
{
mInter.segment1 += change.type == QgsGeometryCheck::ChangeAdded ? 1 : -1;
}
if ( change.vidx.vertex < mInter.segment2 )
{
mInter.segment2 += change.type == QgsGeometryCheck::ChangeAdded ? 1 : -1;
}
}
}
return true;
}
bool QgsGeometryCheckError::handleChanges( const QgsGeometryCheck::Changes &changes )
{
if ( status() == StatusObsolete )
{
return false;
}
for ( const QgsGeometryCheck::Change &change : changes.value( layerId() ).value( featureId() ) )
{
if ( change.what == QgsGeometryCheck::ChangeFeature )
{
if ( change.type == QgsGeometryCheck::ChangeRemoved )
{
return false;
}
else if ( change.type == QgsGeometryCheck::ChangeChanged )
{
// If the check is checking the feature at geometry nodes level, the
// error almost certainly invalid after a geometry change. In the other
// cases, it might likely still be valid.
return mCheck->getCheckType() != QgsGeometryCheck::FeatureNodeCheck;
}
}
else if ( change.what == QgsGeometryCheck::ChangePart )
{
if ( mVidx.part == change.vidx.part )
{
return false;
}
else if ( mVidx.part > change.vidx.part )
{
mVidx.part += change.type == QgsGeometryCheck::ChangeAdded ? 1 : -1;
}
}
else if ( change.what == QgsGeometryCheck::ChangeRing )
{
if ( mVidx.partEqual( change.vidx ) )
{
if ( mVidx.ring == change.vidx.ring )
{
return false;
}
else if ( mVidx.ring > change.vidx.ring )
{
mVidx.ring += change.type == QgsGeometryCheck::ChangeAdded ? 1 : -1;
}
}
}
else if ( change.what == QgsGeometryCheck::ChangeNode )
{
if ( mVidx.ringEqual( change.vidx ) )
{
if ( mVidx.vertex == change.vidx.vertex )
{
return false;
}
else if ( mVidx.vertex > change.vidx.vertex )
{
mVidx.vertex += change.type == QgsGeometryCheck::ChangeAdded ? 1 : -1;
}
}
}
}
return true;
}
