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++;
}
}
}
