void QgsOptions::on_pbnSelectOtfProjection_clicked()
{
QSettings settings;
QgsGenericProjectionSelector * mySelector = new QgsGenericProjectionSelector( this );
//find out crs id of current proj4 string
mySelector->setSelectedCrsId( mDefaultCrs.srsid() );
if ( mySelector->exec() )
{
mDefaultCrs.createFromOgcWmsCrs( mySelector->selectedAuthId() );
QgsDebugMsg( QString( "Setting default project CRS to : %1" ).arg( mySelector->selectedAuthId() ) );
leProjectGlobalCrs->setText( mDefaultCrs.authid() + " - " + mDefaultCrs.description() );
QgsDebugMsg( QString( "------ Global OTF Projection Selection set to ----------\n%1" ).arg( leProjectGlobalCrs->text() ) );
}
else
{
QgsDebugMsg( "------ Global OTF Projection Selection change cancelled ----------" );
QApplication::restoreOverrideCursor();
}
}
void QgsNewVectorLayerDialog::on_pbnChangeSpatialRefSys_clicked()
{
QgsGenericProjectionSelector *mySelector = new QgsGenericProjectionSelector( this );
mySelector->setMessage();
mySelector->setSelectedCrsId( mCrsId );
if ( mySelector->exec() )
{
QgsCoordinateReferenceSystem srs;
srs.createFromOgcWmsCrs( mySelector->selectedAuthId() );
mCrsId = srs.srsid();
leSpatialRefSys->setText( srs.authid() + " - " + srs.description() );
}
else
{
QApplication::restoreOverrideCursor();
}
delete mySelector;
}
void QgsCustomProjectionDialog::on_pbnCopyCRS_clicked()
{
QgsGenericProjectionSelector *mySelector = new QgsGenericProjectionSelector( this );
if ( mySelector->exec() )
{
QgsCoordinateReferenceSystem srs;
QString id = mySelector->selectedAuthId();
srs.createFromOgcWmsCrs( id );
if ( leNameList->topLevelItemCount() == 0 )
{
on_pbnAdd_clicked();
}
teParameters->setPlainText( srs.toProj4() );
customCRSparameters[leNameList->currentIndex().row()] = srs.toProj4();
leNameList->currentItem()->setText( QGIS_CRS_PARAMETERS_COLUMN, srs.toProj4() );
}
delete mySelector;
}
void QgsNewSpatialiteLayerDialog::on_pbnFindSRID_clicked()
{
// first get list of supported SRID from the selected Spatialite database
// to build filter for projection selector
sqlite3 *db = 0;
bool status = true;
int rc = sqlite3_open_v2( mDatabaseComboBox->currentText().toUtf8(), &db, SQLITE_OPEN_READONLY, NULL );
if ( rc != SQLITE_OK )
{
QMessageBox::warning( this, tr( "SpatiaLite Database" ), tr( "Unable to open the database" ) );
return;
}
// load up the srid table
const char *pzTail;
sqlite3_stmt *ppStmt;
QString sql = "select auth_name || ':' || auth_srid from spatial_ref_sys order by srid asc";
QSet<QString> myCRSs;
rc = sqlite3_prepare( db, sql.toUtf8(), sql.toUtf8().length(), &ppStmt, &pzTail );
// XXX Need to free memory from the error msg if one is set
if ( rc == SQLITE_OK )
{
// get the first row of the result set
while ( sqlite3_step( ppStmt ) == SQLITE_ROW )
{
myCRSs.insert( QString::fromUtf8(( const char * )sqlite3_column_text( ppStmt, 0 ) ) );
}
}
else
{
// XXX query failed -- warn the user some how
QMessageBox::warning( 0, tr( "Error" ), tr( "Failed to load SRIDS: %1" ).arg( sqlite3_errmsg( db ) ) );
status = false;
}
// close the statement
sqlite3_finalize( ppStmt );
sqlite3_close( db );
if ( !status )
{
return;
}
// prepare projection selector
QgsGenericProjectionSelector *mySelector = new QgsGenericProjectionSelector( this );
mySelector->setMessage();
mySelector->setOgcWmsCrsFilter( myCRSs );
mySelector->setSelectedAuthId( mCrsId );
if ( mySelector->exec() )
{
QgsCoordinateReferenceSystem srs;
srs.createFromOgcWmsCrs( mySelector->selectedAuthId() );
QString crsId = srs.authid();
if ( crsId != mCrsId )
{
mCrsId = crsId;
leSRID->setText( srs.authid() + " - " + srs.description() );
}
}
delete mySelector;
}
