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43 lines
1.3 KiB
43 lines
1.3 KiB
void EditBookForm::init()
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{
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QSqlQuery query( "SELECT surname FROM author ORDER BY surname;" );
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while ( query.next() )
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ComboBoxAuthor->insertItem( query.value( 0 ).toString());
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}
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void EditBookForm::beforeUpdateBook( QSqlRecord * buffer )
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{
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QSqlQuery query( "SELECT id FROM author WHERE surname ='" +
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ComboBoxAuthor->currentText() + "';" );
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if ( query.next() )
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buffer->setValue( "authorid", query.value( 0 ) );
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}
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void EditBookForm::primeInsertBook( QSqlRecord * buffer )
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{
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QSqlQuery query;
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query.exec( "UPDATE sequence SET sequence = sequence + 1 WHERE tablename='book';" );
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query.exec( "SELECT sequence FROM sequence WHERE tablename='book';" );
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if ( query.next() ) {
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buffer->setValue( "id", query.value( 0 ) );
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}
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}
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void EditBookForm::primeUpdateBook( QSqlRecord * buffer )
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{
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// Who is this book's author?
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QSqlQuery query( "SELECT surname FROM author WHERE id='" +
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buffer->value( "authorid" ).toString() + "';" );
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QString author = "";
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if ( query.next() )
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author = query.value( 0 ).toString();
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// Set the ComboBox to the right author
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for ( int i = 0; i < ComboBoxAuthor->count(); i++ ) {
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if ( ComboBoxAuthor->text( i ) == author ) {
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ComboBoxAuthor->setCurrentItem( i ) ;
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break;
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}
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}
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}
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