bool medDatabaseProxyModel::customFilterAcceptsRow( int source_row, const QModelIndex & source_parent ) const
{
// get the current model index
QModelIndex current(sourceModel()->index(source_row, 0, source_parent));
// get the data we want to check
QModelIndex index = sourceModel()->index(source_row, currentKey, source_parent);
// show all children if parent is valid
if (current.parent().isValid() && (isCheckingChildren == 0))
{
isCheckingParents++;
if(customFilterAcceptsRow(current.parent().row(), current.parent().parent()))
{
isCheckingParents--;
return true;
}
isCheckingParents--;
}
// show the parent if one child is valid
if(sourceModel()->hasChildren(current) && (isCheckingParents == 0))
{
bool atLeastOneValidChild = false;
isCheckingChildren++;
int i = 0;
while(!atLeastOneValidChild)
{
const QModelIndex child(current.child(i, 0 ));
if(!child.isValid())
break;
atLeastOneValidChild = customFilterAcceptsRow(i, current);
i++;
}
if (atLeastOneValidChild)
{
isCheckingChildren--;
return true;
}
isCheckingChildren--;
}
// ignoring invalid items
if (!current.isValid() || !index.isValid())
return true;
// pattern to data check
if (!sourceModel()->data(index).toString().contains(currentValue))
return false;
// if we make it up to here we are good
return true;
}
bool medDatabaseProxyModel::filterAcceptsRow( int source_row, const QModelIndex & source_parent ) const
{
// checking all stored keys
QHash<int, QRegExp>::const_iterator i = filterVector.constBegin();
while (i != filterVector.constEnd())
{
currentKey = i.key();
currentValue = i.value();
if (!customFilterAcceptsRow(source_row, source_parent))
return false;
i++;
}
// all good
return true;
}
