void QgsMapToolNodeTool::createTopologyRubberBands()
{
QgsVectorLayer* vlayer = mSelectedFeature->vlayer();
Q_FOREACH ( const QgsVertexEntry* vertexEntry, mSelectedFeature->vertexMap() )
{
if ( !vertexEntry->isSelected() )
{
continue;
}
// Snap vertex
QMultiMap<double, QgsSnappingResult> snapResults;
vlayer->snapWithContext( vertexEntry->pointV1(), ZERO_TOLERANCE, snapResults, QgsSnapper::SnapToVertex );
Q_FOREACH ( const QgsSnappingResult& snapResult, snapResults )
{
// Get geometry of snapped feature
QgsFeatureId snapFeatureId = snapResult.snappedAtGeometry;
QgsFeature feature;
if ( !vlayer->getFeatures( QgsFeatureRequest( snapFeatureId ).setSubsetOfAttributes( QgsAttributeList() ) ).nextFeature( feature ) )
{
continue;
}
// Get VertexId of snapped vertex
QgsVertexId vid;
if ( !feature.geometry().vertexIdFromVertexNr( snapResult.snappedVertexNr, vid ) )
{
continue;
}
// Add rubberband if not already added
if ( !mMoveRubberBands.contains( snapFeatureId ) )
{
QgsGeometryRubberBand* rb = new QgsGeometryRubberBand( mCanvas, feature.geometry().type() );
QSettings settings;
QColor color(
settings.value( QStringLiteral( "/qgis/digitizing/line_color_red" ), 255 ).toInt(),
settings.value( QStringLiteral( "/qgis/digitizing/line_color_green" ), 0 ).toInt(),
settings.value( QStringLiteral( "/qgis/digitizing/line_color_blue" ), 0 ).toInt() );
double myAlpha = settings.value( QStringLiteral( "/qgis/digitizing/line_color_alpha" ), 30 ).toInt() / 255.0 ;
color.setAlphaF( myAlpha );
rb->setOutlineColor( color );
rb->setBrushStyle( Qt::NoBrush );
rb->setOutlineWidth( settings.value( QStringLiteral( "/qgis/digitizing/line_width" ), 1 ).toInt() );
QgsAbstractGeometry* rbGeom = feature.geometry().geometry()->clone();
if ( mCanvas->mapSettings().layerTransform( vlayer ).isValid() )
rbGeom->transform( mCanvas->mapSettings().layerTransform( vlayer ) );
rb->setGeometry( rbGeom );
mMoveRubberBands.insert( snapFeatureId, rb );
}
// Add to list of vertices to be moved
mMoveVertices[snapFeatureId].append( qMakePair( vid, toMapCoordinates( vlayer, feature.geometry().geometry()->vertexAt( vid ) ) ) );
}
}
void QgsMapToolNodeTool::createTopologyRubberBands()
{
QgsVectorLayer* vlayer = mSelectedFeature->vlayer();
foreach ( const QgsVertexEntry* vertexEntry, mSelectedFeature->vertexMap() )
{
if ( !vertexEntry->isSelected() )
{
continue;
}
// Snap vertex
QMultiMap<double, QgsSnappingResult> snapResults;
vlayer->snapWithContext( vertexEntry->pointV1(), ZERO_TOLERANCE, snapResults, QgsSnapper::SnapToVertex );
foreach ( const QgsSnappingResult& snapResult, snapResults.values() )
{
// Get geometry of snapped feature
QgsFeatureId snapFeatureId = snapResult.snappedAtGeometry;
QgsFeature feature;
if ( !vlayer->getFeatures( QgsFeatureRequest( snapFeatureId ).setSubsetOfAttributes( QgsAttributeList() ) ).nextFeature( feature ) )
{
continue;
}
// Get VertexId of snapped vertex
QgsVertexId vid;
if ( !feature.geometry()->vertexIdFromVertexNr( snapResult.snappedVertexNr, vid ) )
{
continue;
}
// Add rubberband if not already added
if ( !mMoveRubberBands.contains( snapFeatureId ) )
{
QgsGeometryRubberBand* rb = new QgsGeometryRubberBand( mCanvas, feature.geometry()->type() );
rb->setOutlineColor( Qt::blue );
rb->setBrushStyle( Qt::NoBrush );
rb->setOutlineWidth( 2 );
QgsAbstractGeometryV2* rbGeom = feature.geometry()->geometry()->clone();
if ( mCanvas->mapSettings().layerTransform( vlayer ) )
rbGeom->transform( *mCanvas->mapSettings().layerTransform( vlayer ) );
rb->setGeometry( rbGeom );
mMoveRubberBands.insert( snapFeatureId, rb );
}
// Add to list of vertices to be moved
mMoveVertices[snapFeatureId].append( qMakePair( vid, toMapCoordinates( vlayer, feature.geometry()->geometry()->vertexAt( vid ) ) ) );
}
}
}