bool wxDbGridTableBase::AssignDbTable(wxDbTable *tab, int count, bool takeOwnership)
{
wxDbGridCellAttrProvider *provider;
//Remove Information from grid about old data
if (GetView())
{
wxGrid *grid = GetView();
grid->BeginBatch();
grid->ClearSelection();
if (grid->IsCellEditControlEnabled())
{
grid->DisableCellEditControl();
}
wxGridTableMessage msg(this, wxGRIDTABLE_NOTIFY_ROWS_DELETED,0,m_rowtotal);
grid->ProcessTableMessage(msg);
}
//reset our internals...
Writeback();
if (m_dbowner)
{
delete m_data;
}
m_keys.Empty();
m_data = tab;
//FIXME: Remove dynamic_cast before sumision to wxwin
// if ((provider = dynamic_cast<wxDbGridCellAttrProvider *> (GetAttrProvider())))
// Using C casting for now until we can support dynamic_cast with wxWidgets
provider = (wxDbGridCellAttrProvider *)(GetAttrProvider());
if (provider)
{
provider->AssignDbTable(m_data);
}
if (count == wxUSE_QUERY)
{
m_rowtotal = m_data ? m_data->Count() : 0;
}
else
{
m_rowtotal = count;
}
m_row = -1;
//Add Information to grid about new data
if (GetView())
{
wxGrid * grid = GetView();
wxGridTableMessage msg(this, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, m_rowtotal);
grid->ProcessTableMessage(msg);
grid->EndBatch();
}
m_dbowner = takeOwnership;
m_rowmodified = false;
return true;
}
void wxDbGridTableBase::ValidateRow(int row)
{
wxLogDebug(wxT("ValidateRow(%i) currently on row (%i). Array count = %lu"),
row, m_row, (unsigned long)m_keys.GetCount());
if (row == m_row)
return;
Writeback();
//We add to row as Count is unsigned!
if ((unsigned)(row+1) > m_keys.GetCount())
{
wxLogDebug(wxT("\trow key unknown"));
// Extend Array, iterate through data filling with keys
m_data->SetRowMode(wxDbTable::WX_ROW_MODE_QUERY);
int trow;
for (trow = m_keys.GetCount(); trow <= row; trow++)
{
wxLogDebug(wxT("Fetching row %i.."), trow);
bool ret = m_data->GetNext();
wxLogDebug(wxT(" ...success=(%i)"),ret);
GenericKey k = m_data->GetKey();
m_keys.Add(k);
}
m_row = row;
}
else
{
wxLogDebug(wxT("\trow key known centering data"));
GenericKey k = m_keys.Item(row);
m_data->SetRowMode(wxDbTable::WX_ROW_MODE_INDIVIDUAL);
m_data->ClearMemberVars();
m_data->SetKey(k);
if (!m_data->QueryOnKeyFields())
{
wxDbLogExtendedErrorMsg(_T("ODBC error during Query()\n\n"), m_data->GetDb(),__TFILE__,__LINE__);
}
m_data->GetNext();
m_row = row;
}
m_rowmodified = false;
}
wxDbGridTableBase::~wxDbGridTableBase()
{
wxDbGridCellAttrProvider *provider;
//Can't check for update here as
//FIXME: should i remove m_ColInfo and m_data from m_attrProvider if a wxDbGridAttrProvider
// if ((provider = dynamic_cast<wxDbGridCellAttrProvider *>(GetAttrProvider())))
// Using C casting for now until we can support dynamic_cast with wxWidgets
provider = (wxDbGridCellAttrProvider *)(GetAttrProvider());
if (provider)
{
provider->AssignDbTable(NULL);
}
delete [] m_ColInfo;
Writeback();
if (m_dbowner)
{
delete m_data;
}
}
