bool QgsComposerTableSortColumnsProxyModelV2::filterAcceptsRow( int source_row, const QModelIndex &source_parent ) const
{
//get QgsComposerTableColumn corresponding to row
QModelIndex index = sourceModel()->index( source_row, 0, source_parent );
QgsComposerTableColumn* column = columnFromSourceIndex( index );
if ( !column )
{
return false;
}
if (( column->sortByRank() > 0 && mFilterType == ShowSortedColumns )
|| ( column->sortByRank() <= 0 && mFilterType == ShowUnsortedColumns ) )
{
//column matches filter type
return true;
}
else
{
return false;
}
}
bool QgsComposerAttributeTableColumnModelV2::moveColumnInSortRank( QgsComposerTableColumn * column, ShiftDirection direction )
{
if ( !mComposerTable || !column )
{
return false;
}
if (( direction == ShiftUp && column->sortByRank() <= 1 )
|| ( direction == ShiftDown && column->sortByRank() <= 0 ) )
{
//already at start/end of list or not being used for sort
return false;
}
//find column before this one in sort order
QList<QgsComposerTableColumn*> sortedColumns;
QList<QgsComposerTableColumn*>::iterator columnIt = mComposerTable->columns()->begin();
for ( ; columnIt != mComposerTable->columns()->end(); ++columnIt )
{
if (( *columnIt )->sortByRank() > 0 )
{
sortedColumns.append( *columnIt );
}
}
qStableSort( sortedColumns.begin(), sortedColumns.end(), columnsBySortRank );
int columnPos = sortedColumns.indexOf( column );
if (( columnPos == 0 && direction == ShiftUp )
|| (( columnPos == sortedColumns.length() - 1 ) && direction == ShiftDown ) )
{
//column already at start/end
return false;
}
QgsComposerTableColumn* swapColumn = direction == ShiftUp ?
sortedColumns[ columnPos - 1]
: sortedColumns[ columnPos + 1];
QModelIndex idx = indexFromColumn( column );
QModelIndex idxSwap = indexFromColumn( swapColumn );
//now swap sort ranks
int oldSortRank = column->sortByRank();
column->setSortByRank( swapColumn->sortByRank() );
emit dataChanged( idx, idx );
swapColumn->setSortByRank( oldSortRank );
emit dataChanged( idxSwap, idxSwap );
return true;
}