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Add save and revert button to datagrid no implicit saves any more.

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This commit is contained in:
eelke 2026-10-18 11:34:00 +02:00
parent 66267334c8
commit ee1a8ba48d
9 changed files with 153 additions and 12 deletions
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30
pglab/crud/CrudModel.cpp
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@ -244,6 +244,7 @@ void CrudModel::loadData()
void CrudModel::loadIntoModel(std::shared_ptr<Pgsql::Result> data)
{
beginResetModel();
bool was_dirty = hasPendingChanges();
m_pendingRowList.clear();
m_roData = data;
initializeColumnList();
@ -253,6 +254,8 @@ void CrudModel::loadIntoModel(std::shared_ptr<Pgsql::Result> data)
if (m_wholeTable)
appendNewRowInternal();
endResetModel();
if (was_dirty)
emit pendingChangesChanged(false);
}
void CrudModel::initRowMapping()
@ -321,7 +324,10 @@ bool CrudModel::setData(const QModelIndex &index, const QVariant &value, int rol
s.clear();
val = s;
}
bool was_dirty = hasPendingChanges();
m_pendingRowList.setValue(col, row_mapping.rowKey, val);
if (!was_dirty)
emit pendingChangesChanged(true);
emit dataChanged(index, index, QVector<int>() << role);
return true;
@ -611,14 +617,27 @@ void CrudModel::initializeColumnList()
}
}
bool CrudModel::submit()
bool CrudModel::saveChanges()
{
return savePendingChanges();
bool was_dirty = hasPendingChanges();
bool ok = savePendingChanges();
if (was_dirty != hasPendingChanges())
emit pendingChangesChanged(hasPendingChanges());
return ok;
}
void CrudModel::revert()
void CrudModel::revertChanges()
{
if (!hasPendingChanges())
return;
m_pendingRowList.clear();
for (auto &row_mapping : m_rowMapping)
row_mapping.pending = false;
if (rowCount() > 0)
emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1));
emit pendingChangesChanged(false);
}
void CrudModel::appendNewRow()
@ -678,7 +697,10 @@ std::tuple<bool, QString> CrudModel::removeRows(const std::set<IntegerRange<int>
// If something goes wrong after this commit we should reload contents of model
}
// Then from model
bool was_dirty = hasPendingChanges();
RemoveRangesOfRowsFromModel(row_ranges);
if (was_dirty != hasPendingChanges())
emit pendingChangesChanged(hasPendingChanges());
return { true, "" };
}
catch (const Pgsql::PgResultError &error)
@ -713,6 +735,8 @@ void CrudModel::RemoveRangeOfRowsFromModel(IntegerRange<int> range)
beginRemoveRows(QModelIndex(), range.start(), range.end() - 1);
SCOPE_EXIT { endRemoveRows(); };
auto first = m_rowMapping.begin() + range.start();
for (auto iter = first; iter != first + range.length(); ++iter)
m_pendingRowList.m_rows.erase(iter->rowKey);
m_rowMapping.erase(first, first + range.length());
}