void QgsMapToolNodeTool::canvasMoveEvent( QMouseEvent * e ) { if ( !mSelectedFeature || e->buttons() == Qt::NoButton ) return; QgsVectorLayer* vlayer = mSelectedFeature->vlayer(); Q_ASSERT( vlayer ); mSelectAnother = false; if ( mMoving ) { if ( mMoveRubberBands.empty() ) { QgsGeometryRubberBand* rb = new QgsGeometryRubberBand( mCanvas, mSelectedFeature->geometry()->type() ); rb->setOutlineColor( Qt::blue ); rb->setBrushStyle( Qt::NoBrush ); rb->setOutlineWidth( 2 ); QgsAbstractGeometryV2* rbGeom = mSelectedFeature->geometry()->geometry()->clone(); if ( mCanvas->mapSettings().layerTransform( vlayer ) ) rbGeom->transform( *mCanvas->mapSettings().layerTransform( vlayer ) ); rb->setGeometry( rbGeom ); mMoveRubberBands.insert( mSelectedFeature->featureId(), rb ); foreach ( const QgsVertexEntry* vertexEntry, mSelectedFeature->vertexMap() ) { if ( vertexEntry->isSelected() ) mMoveVertices[mSelectedFeature->featureId()].append( qMakePair( vertexEntry->vertexId(), toMapCoordinates( vlayer, vertexEntry->point() ) ) ); } if ( QgsProject::instance()->readNumEntry( "Digitizing", "/TopologicalEditing", 0 ) ) { createTopologyRubberBands(); } } else {
void QgsMapToolNodeTool::createMovingRubberBands() { int topologicalEditing = QgsProject::instance()->readNumEntry( "Digitizing", "/TopologicalEditing", 0 ); Q_ASSERT( mSelectedFeature ); QgsVectorLayer *vlayer = mSelectedFeature->vlayer(); Q_ASSERT( vlayer ); QList<QgsVertexEntry*> &vertexMap = mSelectedFeature->vertexMap(); QgsGeometry* geometry = mSelectedFeature->geometry(); int beforeVertex, afterVertex; int lastRubberBand = 0; int vertex; for ( int i = 0; i < vertexMap.size(); i++ ) { // create rubberband if ( vertexMap[i]->isSelected() && !vertexMap[i]->isInRubberBand() ) { geometry->adjacentVertices( i, beforeVertex, afterVertex ); vertex = i; while ( beforeVertex != -1 ) { // move forward NOTE: end if whole cycle is selected if ( vertexMap[beforeVertex]->isSelected() && beforeVertex != i ) // and take care of cycles { vertex = beforeVertex; geometry->adjacentVertices( vertex, beforeVertex, afterVertex ); } else { // break if cycle is found break; } } // we have first vertex of moving part // create rubberband and set default paramaters QgsRubberBand* rb = new QgsRubberBand( mCanvas, QGis::Line ); rb->setWidth( 2 ); rb->setColor( Qt::blue ); int index = 0; if ( beforeVertex != -1 ) // adding first point which is not moving { rb->addPoint( toMapCoordinates( vlayer, vertexMap[beforeVertex]->point() ), false ); vertexMap[beforeVertex]->setRubberBandValues( true, lastRubberBand, index ); index++; } while ( vertex != -1 && vertexMap[vertex]->isSelected() && !vertexMap[vertex]->isInRubberBand() ) { // topology rubberband creation if needed if ( topologicalEditing ) { createTopologyRubberBands( vlayer, vertexMap, vertex ); } // adding point which will be moved rb->addPoint( toMapCoordinates( vlayer, vertexMap[vertex]->point() ), false ); // setting values about added vertex vertexMap[vertex]->setRubberBandValues( true, lastRubberBand, index ); index++; geometry->adjacentVertices( vertex, beforeVertex, vertex ); } if ( vertex != -1 && !vertexMap[vertex]->isSelected() ) // add last point not moving if exists { rb->addPoint( toMapCoordinates( vlayer, vertexMap[vertex]->point() ), true ); vertexMap[vertex]->setRubberBandValues( true, lastRubberBand, index ); index++; } mRubberBands.append( rb ); lastRubberBand++; } } }