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Allow deleting multiple custom projections at once

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This commit is contained in:
Nyall Dawson 2019-12-16 14:10:04 +10:00
parent 10e0910557
commit 308eae9a33
1 changed files with 31 additions and 10 deletions
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41
src/app/qgscustomprojectiondialog.cpp
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@ -59,6 +59,7 @@ QgsCustomProjectionDialog::QgsCustomProjectionDialog( QWidget *parent, Qt::Windo
connect( buttonBox, &QDialogButtonBox::accepted, this, &QgsCustomProjectionDialog::buttonBox_accepted );
connect( buttonBox, &QDialogButtonBox::helpRequested, this, &QgsCustomProjectionDialog::showHelp );
leNameList->setSelectionMode( QAbstractItemView::ExtendedSelection );
// user database is created at QGIS startup in QgisApp::createDB
// we just check whether there is our database [MD]
@ -305,19 +306,39 @@ void QgsCustomProjectionDialog::pbnAdd_clicked()
void QgsCustomProjectionDialog::pbnRemove_clicked()
{
int i = leNameList->currentIndex().row();
if ( i == -1 )
{
const QModelIndexList selection = leNameList->selectionModel()->selectedRows();
if ( selection.empty() )
return;
}
delete leNameList->takeTopLevelItem( i );
if ( !mCustomCRSids[i].isEmpty() )
// make sure the user really wants to delete these definitions
if ( QMessageBox::No == QMessageBox::question( this, tr( "Delete Projections" ),
tr( "Are you sure you want to delete %n projections(s)?", "number of rows", selection.size() ),
QMessageBox::Yes | QMessageBox::No ) )
return;
std::vector< int > selectedRows;
selectedRows.reserve( selection.size() );
for ( const QModelIndex &index : selection )
selectedRows.emplace_back( index.row() );
//sort rows in reverse order
std::sort( selectedRows.begin(), selectedRows.end(), std::greater< int >() );
for ( const int row : selectedRows )
{
mDeletedCRSs.push_back( mCustomCRSids[i] );
if ( row < 0 )
{
// shouldn't happen?
continue;
}
delete leNameList->takeTopLevelItem( row );
if ( !mCustomCRSids[row].isEmpty() )
{
mDeletedCRSs.push_back( mCustomCRSids[row] );
}
mCustomCRSids.erase( mCustomCRSids.begin() + row );
mCustomCRSnames.erase( mCustomCRSnames.begin() + row );
mCustomCRSparameters.erase( mCustomCRSparameters.begin() + row );
}
mCustomCRSids.erase( mCustomCRSids.begin() + i );
mCustomCRSnames.erase( mCustomCRSnames.begin() + i );
mCustomCRSparameters.erase( mCustomCRSparameters.begin() + i );
}
void QgsCustomProjectionDialog::leNameList_currentItemChanged( QTreeWidgetItem *current, QTreeWidgetItem *previous )