//------------------------------------------------------------------------
//! Create a group for each unique values within a column
//!
//! @param nCol The index of the column
//! @return Succeeded in creating the group
//------------------------------------------------------------------------
BOOL CGridListCtrlGroups::GroupByColumn(int nCol)
{
CWaitCursor waitCursor;
SetSortArrow(-1, false);
SetRedraw(FALSE);
RemoveAllGroups();
EnableGroupView( GetItemCount() > 0 );
if (IsGroupViewEnabled())
{
CSimpleMap<CString,CSimpleArray<int> > groups;
// Loop through all rows and find possible groups
for(int nRow=0; nRow<GetItemCount(); ++nRow)
{
CString cellText = GetItemText(nRow, nCol);
int nGroupId = groups.FindKey(cellText);
if (nGroupId==-1)
{
CSimpleArray<int> rows;
groups.Add(cellText, rows);
nGroupId = groups.FindKey(cellText);
}
groups.GetValueAt(nGroupId).Add(nRow);
}
// Look through all groups and assign rows to group
for(int nGroupId = 0; nGroupId < groups.GetSize(); ++nGroupId)
{
const CSimpleArray<int>& groupRows = groups.GetValueAt(nGroupId);
DWORD dwState = LVGS_NORMAL;
#ifdef LVGS_COLLAPSIBLE
if (IsGroupStateEnabled())
dwState = LVGS_COLLAPSIBLE;
#endif
VERIFY( InsertGroupHeader(nGroupId, nGroupId, groups.GetKeyAt(nGroupId), dwState) != -1);
for(int groupRow = 0; groupRow < groupRows.GetSize(); ++groupRow)
{
VERIFY( SetRowGroupId(groupRows[groupRow], nGroupId) );
}
}
SetRedraw(TRUE);
Invalidate(FALSE);
return TRUE;
}
SetRedraw(TRUE);
Invalidate(FALSE);
return FALSE;
}
void SetEncConverter(const CStringW& strConverterName, CSilEncConverter* pEC)
{
int nIndex;
if ((nIndex = m_mapECs.FindKey(strConverterName)) != -1)
{
CSilEncConverter* p = m_mapECs.GetValueAt(nIndex);
m_mapECs.RemoveAt(nIndex);
delete p;
}
m_mapECs.Add(strConverterName, pEC);
}
CSilEncConverter* GetEncConverter(const CStringW& strConverterName)
{
CSilEncConverter* pEC = 0;
int nIndex;
if ((nIndex = m_mapECs.FindKey(strConverterName)) != -1)
{
pEC = m_mapECs.GetValueAt(nIndex);
}
else
{
pEC = new CSilEncConverter();
SetEncConverter(strConverterName, pEC);
}
ATLASSERT(pEC != 0);
return pEC;
}