// Slot called when the "Add GRASS raster layer" menu item is triggered
void QgsGrassPlugin::addRaster()
{
// QgsDebugMsg("entered.");
QString uri;
QgsGrassSelect *sel = new QgsGrassSelect( QgsGrassSelect::RASTER );
if ( sel->exec() )
{
QString element;
if ( sel->selectedType == QgsGrassSelect::RASTER )
{
element = "cellhd";
}
else // GROUP
{
element = "group";
}
uri = sel->gisdbase + "/" + sel->location + "/" + sel->mapset + "/" + element + "/" + sel->map;
}
// QgsDebugMsg(QString("plugin URI: %1").arg(uri));
if ( uri.length() == 0 )
{
// QgsDebugMsg("Nothing was selected");
return;
}
else
{
// QgsDebugMsg("Add new raster layer");
// create raster name
int pos = uri.lastIndexOf( '/' );
pos = uri.lastIndexOf( '/', pos - 1 );
QString name = uri.right( uri.length() - pos - 1 );
name.replace( '/', ' ' );
//qGisInterface->addRasterLayer( uri, sel->map );
qGisInterface->addRasterLayer( uri, sel->map, "grassraster", QStringList(), QStringList(),
QString(), QString() );
}
}
void QgsGrassPlugin::openMapset()
{
// QgsDebugMsg("entered.");
QString element;
QgsGrassSelect *sel = new QgsGrassSelect( QgsGrassSelect::MAPSET );
if ( !sel->exec() ) return;
QString err = QgsGrass::openMapset( sel->gisdbase,
sel->location, sel->mapset );
if ( !err.isNull() )
{
QMessageBox::warning( 0, tr( "Warning" ), tr( "Cannot open the mapset. %1" ).arg( err ) );
return;
}
saveMapset();
mapsetChanged();
}
// Slot called when the "Add GRASS vector layer" menu item is triggered
void QgsGrassPlugin::addVector()
{
// QgsDebugMsg("entered.");
QString uri;
QgsGrassSelect *sel = new QgsGrassSelect( qGisInterface->mainWindow(), QgsGrassSelect::VECTOR );
if ( sel->exec() )
{
uri = sel->gisdbase + "/" + sel->location + "/" + sel->mapset + "/" + sel->map + "/" + sel->layer;
}
// QgsDebugMsg(QString("plugin URI: %1").arg(uri));
if ( uri.length() == 0 )
{
// QgsDebugMsg("Nothing was selected");
return;
}
else
{
// QgsDebugMsg("Add new vector layer");
// create vector name: vector layer
QString name = sel->map;
QString field;
QString type;
if ( !sel->layer.startsWith( "topo_" ) )
{
QRegExp rx( "(\\d+)_(.+)" );
if ( rx.indexIn( sel->layer ) != -1 )
{
field = rx.cap( 1 );
type = rx.cap( 2 );
}
}
// Set location
QgsGrass::setLocation( sel->gisdbase, sel->location );
/* Open vector */
try
{
//Vect_set_open_level( 2 );
struct Map_info map;
int level = Vect_open_old_head( &map, sel->map.toUtf8().data(),
sel->mapset.toUtf8().data() );
if ( level == 1 )
{
QgsDebugMsg( "Cannot open vector on level 2" );
QMessageBox::warning( 0, tr( "Warning" ), tr( "Cannot open vector %1 in mapset %2 on level 2 (topology not available, try to rebuild topology using v.build module)." ).arg( sel->map ).arg( sel->mapset ) );
Vect_close( &map );
return;
}
else if ( level < 1 )
{
QgsDebugMsg( "Cannot open vector" );
QMessageBox::warning( 0, tr( "Warning" ), tr( "Cannot open vector %1 in mapset %2" ).arg( sel->map ).arg( sel->mapset ) );
return;
}
if ( level >= 2 )
{
if ( !sel->layer.startsWith( "topo_" ) )
{
// Count layers
int cnt = 0;
int ncidx = Vect_cidx_get_num_fields( &map );
for ( int i = 0; i < ncidx; i++ )
{
int field = Vect_cidx_get_field_number( &map, i );
if ( Vect_cidx_get_type_count( &map, field, GV_POINT | GV_LINE | GV_AREA ) > 0 ||
( field > 1 && Vect_cidx_get_type_count( &map, field, GV_BOUNDARY ) ) )
{
cnt++;
}
}
if ( cnt > 1 )
{
name.append( " " + field );
// No need to ad type, the type is obvious from the legend
}
}
else
{
name.append( " " + sel->layer );
}
}
Vect_close( &map );
}
catch ( QgsGrass::Exception &e )
{
QMessageBox::warning( 0, tr( "Warning" ), tr( "Cannot open GRASS vector:\n %1" ).arg( e.what() ) );
}
qGisInterface->addVectorLayer( uri, name, "grass" );
}
}
