bool QgsOfflineEditing::createSpatialiteDB( const QString& offlineDbPath )
{
int ret;
sqlite3 *sqlite_handle;
char *errMsg = NULL;
QFile newDb( offlineDbPath );
if ( newDb.exists() )
{
QFile::remove( offlineDbPath );
}
// see also QgsNewSpatialiteLayerDialog::createDb()
QFileInfo fullPath = QFileInfo( offlineDbPath );
QDir path = fullPath.dir();
// Must be sure there is destination directory ~/.qgis
QDir().mkpath( path.absolutePath( ) );
// creating/opening the new database
QString dbPath = newDb.fileName();
spatialite_init( 0 );
ret = sqlite3_open_v2( dbPath.toUtf8().constData(), &sqlite_handle, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL );
if ( ret )
{
// an error occurred
QString errCause = tr( "Could not create a new database\n" );
errCause += QString::fromUtf8( sqlite3_errmsg( sqlite_handle ) );
sqlite3_close( sqlite_handle );
showWarning( errCause );
return false;
}
// activating Foreign Key constraints
ret = sqlite3_exec( sqlite_handle, "PRAGMA foreign_keys = 1", NULL, 0, &errMsg );
if ( ret != SQLITE_OK )
{
showWarning( tr( "Unable to activate FOREIGN_KEY constraints" ) );
sqlite3_free( errMsg );
sqlite3_close( sqlite_handle );
return false;
}
initializeSpatialMetadata( sqlite_handle );
// all done: closing the DB connection
sqlite3_close( sqlite_handle );
return true;
}
bool QgsNewSpatialiteLayerDialog::createDb()
{
QSettings settings;
int ret;
sqlite3 *sqlite_handle;
char *errMsg = NULL;
if ( mDatabaseComboBox->currentText().isEmpty() )
return false;
QFile newDb( mDatabaseComboBox->currentText() );
if ( !newDb.exists() )
{
QgsDebugMsg( "creating a new db" );
QFileInfo fullPath = QFileInfo( mDatabaseComboBox->currentText() );
QDir path = fullPath.dir();
QgsDebugMsg( QString( "making this dir: %1" ).arg( path.absolutePath() ) );
// Must be sure there is destination directory ~/.qgis
QDir().mkpath( path.absolutePath( ) );
// creating/opening the new database
QString dbPath = newDb.fileName();
spatialite_init( 0 );
ret = sqlite3_open_v2( dbPath.toUtf8().constData(), &sqlite_handle, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL );
if ( ret )
{
// an error occurred
QString errCause = tr( "Could not create a new database\n" );
errCause += QString::fromUtf8( sqlite3_errmsg( sqlite_handle ) );
sqlite3_close( sqlite_handle );
QMessageBox::warning( 0, tr( "SpatiaLite Database" ), errCause );
pbnFindSRID->setEnabled( false );
return false;
}
// activating Foreign Key constraints
ret = sqlite3_exec( sqlite_handle, "PRAGMA foreign_keys = 1", NULL, 0, &errMsg );
if ( ret != SQLITE_OK )
{
QMessageBox::warning( 0, tr( "SpatiaLite Database" ), tr( "Unable to activate FOREIGN_KEY constraints" ) );
sqlite3_free( errMsg );
sqlite3_close( sqlite_handle );
pbnFindSRID->setEnabled( false );
return false;
}
initializeSpatialMetadata( sqlite_handle );
// all done: closing the DB connection
sqlite3_close( sqlite_handle );
}
QFileInfo fi( newDb );
if ( !fi.exists() )
{
pbnFindSRID->setEnabled( false );
return false;
}
QString key = "/SpatiaLite/connections/" + fi.fileName() + "/sqlitepath";
if ( !settings.contains( key ) )
{
settings.setValue( "/SpatiaLite/connections/selected", fi.fileName() + tr( "@" ) + fi.canonicalFilePath() );
settings.setValue( key, fi.canonicalFilePath() );
QMessageBox::information( 0, tr( "SpatiaLite Database" ), tr( "Registered new database!" ) );
}
pbnFindSRID->setEnabled( true );
return true;
}