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48 lines
1.3 KiB
48 lines
1.3 KiB
13 years ago
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void EditBookForm::init()
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{
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TQSqlQuery query( "SELECT surname, id 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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int id = query.value( 1 ).toInt();
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mapAuthor( query.value( 0 ).toString(), id, TRUE );
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}
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}
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void EditBookForm::beforeUpdateBook( TQSqlRecord * buffer )
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{
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int id;
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mapAuthor( ComboBoxAuthor->currentText(), id, FALSE );
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buffer->setValue( "authorid", id );
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}
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void EditBookForm::mapAuthor( const TQString & name, int & id, bool populate )
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{
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if ( populate )
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authorMap[ name ] = id;
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else
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id = authorMap[ name ];
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}
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void EditBookForm::primeInsertBook( TQSqlRecord * buffer )
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{
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TQSqlQuery q;
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q.exec( "UPDATE sequence SET sequence = sequence + 1 WHERE tablename='book';" );
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q.exec( "SELECT sequence FROM sequence WHERE tablename='book';" );
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if ( q.next() ) {
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buffer->setValue( "id", q.value( 0 ) );
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}
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}
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void EditBookForm::primeUpdateBook( TQSqlRecord * buffer )
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{
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int id = buffer->value( "authorid" ).toInt();
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for ( int i = 0; i < ComboBoxAuthor->count(); i++ ) {
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TQString author = ComboBoxAuthor->text( i );
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if ( authorMap.contains( author ) && authorMap[author] == id ) {
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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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