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SqliteTableModel: Don't show binary data in table widgets

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Don't show BLOBs as binary data in table widgets, instead put a "BLOB"
text in that cell.

Also make BLOBs not editable unless you use the edit dialog.
This commit is contained in:
Martin Kleusberg
2013-05-07 20:47:16 +02:00
parent 09afe637c6
commit ea31c8023b
3 changed files with 17 additions and 3 deletions
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16
src/sqlitetablemodel.cpp
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@@ -143,7 +143,10 @@ QVariant SqliteTableModel::data(const QModelIndex &index, int role) const
while(index.row() >= m_data.size() && canFetchMore())
const_cast<SqliteTableModel*>(this)->fetchMore(); // Nothing evil to see here, move along
return m_data.at(index.row()).at(index.column());
if(role == Qt::DisplayRole && isBinary(index))
return "(BLOB)";
else
return m_data.at(index.row()).at(index.column());
} else {
return QVariant();
}
@@ -186,7 +189,10 @@ Qt::ItemFlags SqliteTableModel::flags(const QModelIndex& index) const
if(!index.isValid())
return Qt::ItemIsEnabled;
return QAbstractTableModel::flags(index) | Qt::ItemIsEditable;
Qt::ItemFlags ret = QAbstractTableModel::flags(index);
if(!isBinary(index))
ret |= Qt::ItemIsEditable;
return ret;
}
void SqliteTableModel::sort(int column, Qt::SortOrder order)
@@ -338,3 +344,9 @@ void SqliteTableModel::clearCache()
m_data.clear();
endRemoveRows();
}
bool SqliteTableModel::isBinary(const QModelIndex& index) const
{
QByteArray val = m_data.at(index.row()).at(index.column());
return val.size() > 1024 || val.contains('\0'); // Cheap BLOB test here...
}