bool QgsGeometryCheckerResultTab::exportErrorsDo( const QString& file )
{
QList< QPair<QString, QString> > attributes;
attributes.append( qMakePair( QString( "FeatureID" ), QString( "String;10;" ) ) );
attributes.append( qMakePair( QString( "ErrorDesc" ), QString( "String;80;" ) ) );
QLibrary ogrLib( QgsProviderRegistry::instance()->library( "ogr" ) );
if ( !ogrLib.load() )
{
return false;
}
typedef bool ( *createEmptyDataSourceProc )( const QString&, const QString&, const QString&, QGis::WkbType, const QList< QPair<QString, QString> >&, const QgsCoordinateReferenceSystem * );
createEmptyDataSourceProc createEmptyDataSource = ( createEmptyDataSourceProc ) cast_to_fptr( ogrLib.resolve( "createEmptyDataSource" ) );
if ( !createEmptyDataSource )
{
return false;
}
if ( !createEmptyDataSource( file, "ESRI Shapefile", mFeaturePool->getLayer()->dataProvider()->encoding(), QGis::WKBPoint, attributes, &mFeaturePool->getLayer()->crs() ) )
{
return false;
}
QgsVectorLayer* layer = new QgsVectorLayer( file, QFileInfo( file ).baseName(), "ogr" );
if ( !layer->isValid() )
{
delete layer;
return false;
}
int fieldFeatureId = layer->fieldNameIndex( "FeatureID" );
int fieldErrDesc = layer->fieldNameIndex( "ErrorDesc" );
for ( int row = 0, nRows = ui.tableWidgetErrors->rowCount(); row < nRows; ++row )
{
QgsGeometryCheckError* error = ui.tableWidgetErrors->item( row, 0 )->data( Qt::UserRole ).value<QgsGeometryCheckError*>();
QgsFeature f( layer->pendingFields() );
f.setAttribute( fieldFeatureId, error->featureId() );
f.setAttribute( fieldErrDesc, error->description() );
f.setGeometry( new QgsGeometry( error->location().clone() ) );
layer->dataProvider()->addFeatures( QgsFeatureList() << f );
}
// Remove existing layer with same uri
QStringList toRemove;
foreach ( QgsMapLayer* maplayer, QgsMapLayerRegistry::instance()->mapLayers() )
{
if ( dynamic_cast<QgsVectorLayer*>( maplayer ) &&
static_cast<QgsVectorLayer*>( maplayer )->dataProvider()->dataSourceUri() == layer->dataProvider()->dataSourceUri() )
{
toRemove.append( maplayer->id() );
}
}
if ( !toRemove.isEmpty() )
{
QgsMapLayerRegistry::instance()->removeMapLayers( toRemove );
}
QgsMapLayerRegistry::instance()->addMapLayers( QList<QgsMapLayer*>() << layer );
return true;
}
void QgsGeometryCheckerResultTab::highlightErrors( bool current )
{
qDeleteAll( mCurrentRubberBands );
mCurrentRubberBands.clear();
QList<QTableWidgetItem*> items;
QList<QgsPoint> errorPositions;
QgsRectangle totextent;
if ( current )
{
items.append( ui.tableWidgetErrors->currentItem() );
}
else
{
items.append( ui.tableWidgetErrors->selectedItems() );
}
foreach ( QTableWidgetItem* item, items )
{
QgsGeometryCheckError* error = ui.tableWidgetErrors->item( item->row(), 0 )->data( Qt::UserRole ).value<QgsGeometryCheckError*>();
QgsAbstractGeometryV2* geometry = error->geometry();
if ( ui.checkBoxHighlight->isChecked() && geometry )
{
QgsRubberBand* featureRubberBand = new QgsRubberBand( mIface->mapCanvas() );
QgsGeometry geom( geometry );
featureRubberBand->addGeometry( &geom, mFeaturePool->getLayer() );
featureRubberBand->setWidth( 5 );
featureRubberBand->setColor( Qt::yellow );
mCurrentRubberBands.append( featureRubberBand );
}
else
{
// QgsGeometry above takes ownership of geometry and deletes it when it goes out of scope
delete geometry;
geometry = 0;
}
if ( ui.radioButtonError->isChecked() || current || error->status() == QgsGeometryCheckError::StatusFixed )
{
QgsRubberBand* pointRubberBand = new QgsRubberBand( mIface->mapCanvas(), QGis::Point );
QgsPoint pos = mIface->mapCanvas()->mapSettings().layerToMapCoordinates( mFeaturePool->getLayer(), QgsPoint( error->location().x(), error->location().y() ) );
pointRubberBand->addPoint( pos );
pointRubberBand->setWidth( 20 );
pointRubberBand->setColor( Qt::red );
mCurrentRubberBands.append( pointRubberBand );
errorPositions.append( pos );
}
else if ( ui.radioButtonFeature->isChecked() && geometry )
{
QgsRectangle geomextent = mIface->mapCanvas()->mapSettings().layerExtentToOutputExtent( mFeaturePool->getLayer(), geometry->boundingBox() );
if ( totextent.isEmpty() )
{
totextent = geomextent;
}
else
{
totextent.unionRect( geomextent );
}
}
}
void QgsGeometryCheckerResultTab::highlightErrors( bool current )
{
qDeleteAll( mCurrentRubberBands );
mCurrentRubberBands.clear();
QList<QTableWidgetItem *> items;
QVector<QgsPointXY> errorPositions;
QgsRectangle totextent;
if ( current )
{
items.append( ui.tableWidgetErrors->currentItem() );
}
else
{
items.append( ui.tableWidgetErrors->selectedItems() );
}
for ( QTableWidgetItem *item : qgis::as_const( items ) )
{
QgsGeometryCheckError *error = ui.tableWidgetErrors->item( item->row(), 0 )->data( Qt::UserRole ).value<QgsGeometryCheckError *>();
const QgsGeometry geom = error->geometry();
if ( ui.checkBoxHighlight->isChecked() && !geom.isNull() )
{
QgsRubberBand *featureRubberBand = new QgsRubberBand( mIface->mapCanvas() );
featureRubberBand->addGeometry( geom, nullptr );
featureRubberBand->setWidth( 5 );
featureRubberBand->setColor( Qt::yellow );
mCurrentRubberBands.append( featureRubberBand );
}
if ( ui.radioButtonError->isChecked() || current || error->status() == QgsGeometryCheckError::StatusFixed )
{
QgsRubberBand *pointRubberBand = new QgsRubberBand( mIface->mapCanvas(), QgsWkbTypes::PointGeometry );
pointRubberBand->addPoint( error->location() );
pointRubberBand->setWidth( 20 );
pointRubberBand->setColor( Qt::red );
mCurrentRubberBands.append( pointRubberBand );
errorPositions.append( error->location() );
}
else if ( ui.radioButtonFeature->isChecked() )
{
QgsRectangle geomextent = error->affectedAreaBBox();
if ( totextent.isEmpty() )
{
totextent = geomextent;
}
else
{
totextent.combineExtentWith( geomextent );
}
}
}
// If error positions positions are marked, pan to the center of all positions,
// and zoom out if necessary to make all points fit.
if ( !errorPositions.isEmpty() )
{
double cx = 0., cy = 0.;
QgsRectangle pointExtent( errorPositions.first(), errorPositions.first() );
Q_FOREACH ( const QgsPointXY &p, errorPositions )
{
cx += p.x();
cy += p.y();
pointExtent.include( p );
}
bool QgsGeometryCheckerResultTab::exportErrorsDo( const QString &file )
{
QList< QPair<QString, QString> > attributes;
attributes.append( qMakePair( QStringLiteral( "Layer" ), QStringLiteral( "String;30;" ) ) );
attributes.append( qMakePair( QStringLiteral( "FeatureID" ), QStringLiteral( "String;10;" ) ) );
attributes.append( qMakePair( QStringLiteral( "ErrorDesc" ), QStringLiteral( "String;80;" ) ) );
QFileInfo fi( file );
QString ext = fi.suffix();
QString driver = QgsVectorFileWriter::driverForExtension( ext );
QLibrary ogrLib( QgsProviderRegistry::instance()->library( QStringLiteral( "ogr" ) ) );
if ( !ogrLib.load() )
{
return false;
}
typedef bool ( *createEmptyDataSourceProc )( const QString &, const QString &, const QString &, QgsWkbTypes::Type, const QList< QPair<QString, QString> > &, const QgsCoordinateReferenceSystem & );
createEmptyDataSourceProc createEmptyDataSource = ( createEmptyDataSourceProc ) cast_to_fptr( ogrLib.resolve( "createEmptyDataSource" ) );
if ( !createEmptyDataSource )
{
return false;
}
if ( !createEmptyDataSource( file, driver, "UTF-8", QgsWkbTypes::Point, attributes, QgsProject::instance()->crs() ) )
{
return false;
}
QgsVectorLayer *layer = new QgsVectorLayer( file, QFileInfo( file ).baseName(), QStringLiteral( "ogr" ) );
if ( !layer->isValid() )
{
delete layer;
return false;
}
int fieldLayer = layer->fields().lookupField( QStringLiteral( "Layer" ) );
int fieldFeatureId = layer->fields().lookupField( QStringLiteral( "FeatureID" ) );
int fieldErrDesc = layer->fields().lookupField( QStringLiteral( "ErrorDesc" ) );
for ( int row = 0, nRows = ui.tableWidgetErrors->rowCount(); row < nRows; ++row )
{
QgsGeometryCheckError *error = ui.tableWidgetErrors->item( row, 0 )->data( Qt::UserRole ).value<QgsGeometryCheckError *>();
QgsVectorLayer *srcLayer = mChecker->featurePools()[error->layerId()]->layer();
QgsFeature f( layer->fields() );
f.setAttribute( fieldLayer, srcLayer->name() );
f.setAttribute( fieldFeatureId, error->featureId() );
f.setAttribute( fieldErrDesc, error->description() );
QgsGeometry geom( new QgsPoint( error->location() ) );
f.setGeometry( geom );
layer->dataProvider()->addFeatures( QgsFeatureList() << f );
}
// Remove existing layer with same uri
QStringList toRemove;
for ( QgsMapLayer *maplayer : QgsProject::instance()->mapLayers() )
{
if ( dynamic_cast<QgsVectorLayer *>( maplayer ) &&
static_cast<QgsVectorLayer *>( maplayer )->dataProvider()->dataSourceUri() == layer->dataProvider()->dataSourceUri() )
{
toRemove.append( maplayer->id() );
}
}
if ( !toRemove.isEmpty() )
{
QgsProject::instance()->removeMapLayers( toRemove );
}
QgsProject::instance()->addMapLayers( QList<QgsMapLayer *>() << layer );
return true;
}