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RsErrorTreeModel: fix sibling() and add some comments

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This commit is contained in:
Filippo Gentile 2022-11-01 16:43:31 +01:00
parent fca21eeae6
commit 214f08dc3e
1 changed files with 19 additions and 4 deletions
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23
src/rollingstock/rs_checker/rserrortreemodel.cpp
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@ -75,7 +75,7 @@ QModelIndex RsErrorTreeModel::parent(const QModelIndex &idx) const
return QModelIndex();
RsErrors::ErrorData *item = static_cast<RsErrors::ErrorData*>(idx.internalPointer());
if(!item) //Caption
if(!item) //Caption, it's toplevel so no parent
return QModelIndex();
auto it = m_data.constFind(item->rsId);
@ -91,7 +91,7 @@ int RsErrorTreeModel::rowCount(const QModelIndex &parent) const
if(parent.isValid())
{
if(parent.internalPointer())
return 0; //Child most
return 0; //Child most, no childs below so 0 rows
auto it = m_data.constBegin() + parent.row();
return it->errors.size();
@ -126,11 +126,26 @@ QModelIndex RsErrorTreeModel::sibling(int row, int column, const QModelIndex &id
if(idx.internalPointer())
{
return createIndex(row, column, idx.internalPointer());
//It's an error row inside a RS Item tree
if(column >= NCols)
return QModelIndex();
void *ptr = idx.internalPointer();
if(row != idx.row())
{
//Calculate new ptr for row
RsErrors::ErrorData *item = static_cast<RsErrors::ErrorData*>(idx.internalPointer());
auto it = m_data.constFind(item->rsId);
if(it == m_data.constEnd() || row >= it->errors.size())
return QModelIndex(); //Out of bound child row
ptr = const_cast<void *>(static_cast<const void *>(&it->errors.at(row)));
}
return createIndex(row, column, ptr);
}
if(column > 0 || row >= m_data.size())
return QModelIndex();
return QModelIndex(); //Parents (RS Items) have only column zero
return createIndex(row, 0, nullptr);
}