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allow snapping to vertex and segment to remove part/ring

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This commit is contained in:
Denis Rouzaud 2014-01-30 14:02:01 +01:00
parent c21fc541b1
commit 9021b37f84
2 changed files with 14 additions and 5 deletions
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9
src/app/qgsmaptooldeletepart.cpp
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@ -45,7 +45,7 @@ void QgsMapToolDeletePart::canvasPressEvent( QMouseEvent *e )
mRecentSnappingResults.clear();
//do snap -> new recent snapping results
if ( mSnapper.snapToCurrentLayer( e->pos(), mRecentSnappingResults, QgsSnapper::SnapToVertex ) != 0 )
if ( mSnapper.snapToCurrentLayer( e->pos(), mRecentSnappingResults, QgsSnapper::SnapToVertexAndSegment ) != 0 )
{
//error
}
@ -84,7 +84,12 @@ void QgsMapToolDeletePart::canvasReleaseEvent( QMouseEvent *e )
QList<QgsSnappingResult>::iterator sr_it = mRecentSnappingResults.begin();
for ( ; sr_it != mRecentSnappingResults.end(); ++sr_it )
{
deletePart( sr_it->snappedAtGeometry, sr_it->snappedVertexNr, vlayer );
if ( sr_it->snappedVertexNr != -1 )
deletePart( sr_it->snappedAtGeometry, sr_it->snappedVertexNr, vlayer );
else if ( sr_it->beforeVertexNr != -1 )
deletePart( sr_it->snappedAtGeometry, sr_it->beforeVertexNr, vlayer );
else if ( sr_it->afterVertexNr != -1 )
deletePart( sr_it->snappedAtGeometry, sr_it->afterVertexNr, vlayer );
}
}

10
src/app/qgsmaptooldeletering.cpp
View File

@ -45,7 +45,7 @@ void QgsMapToolDeleteRing::canvasPressEvent( QMouseEvent *e )
mRecentSnappingResults.clear();
//do snap -> new recent snapping results
if ( mSnapper.snapToCurrentLayer( e->pos(), mRecentSnappingResults, QgsSnapper::SnapToVertex ) != 0 )
if ( mSnapper.snapToCurrentLayer( e->pos(), mRecentSnappingResults, QgsSnapper::SnapToVertexAndSegment ) != 0 )
{
//error
}
@ -85,12 +85,16 @@ void QgsMapToolDeleteRing::canvasReleaseEvent( QMouseEvent *e )
QList<QgsSnappingResult>::iterator sr_it = mRecentSnappingResults.begin();
for ( ; sr_it != mRecentSnappingResults.end(); ++sr_it )
{
deleteRing( sr_it->snappedAtGeometry, sr_it->snappedVertexNr, vlayer );
if ( sr_it->snappedVertexNr != -1 )
deleteRing( sr_it->snappedAtGeometry, sr_it->snappedVertexNr, vlayer );
else if ( sr_it->beforeVertexNr != -1 )
deleteRing( sr_it->snappedAtGeometry, sr_it->beforeVertexNr, vlayer );
else if ( sr_it->afterVertexNr != -1 )
deleteRing( sr_it->snappedAtGeometry, sr_it->afterVertexNr, vlayer );
}
}
}
void QgsMapToolDeleteRing::deleteRing( QgsFeatureId fId, int beforeVertexNr, QgsVectorLayer* vlayer )
{
QgsFeature f;