//****************************************************************************************
BOOL CBCGPGridSerializeManager::Paste (CBCGPGridItemID idPasteTo, BOOL bCut)
{
m_Operation = OP_CopyPaste;
m_bSkipData = FALSE;
CBCGPGridItemID idFrom;
idFrom.SetNull ();
if (m_ClipboardFormatType == CF_Rows)
{
return DoDropRows (idPasteTo, idFrom, bCut, FALSE);
}
return DoDropItems (idPasteTo, idFrom, bCut);
}
//****************************************************************************************
BOOL CBCGPGridSerializeManager::DoDropRows (CBCGPGridItemID idDropTo, CBCGPGridItemID idDragFrom,
BOOL bMove, BOOL bInsertAfter)
{
ASSERT (m_pOwnerGrid != NULL);
ASSERT (m_ClipboardFormatType == CF_Rows);
if (GetRangeCount () == 0)
{
return FALSE; // no data
}
// Copied rows are already removed if called from Paste or dragged from another app
BOOL bNoRemove = idDragFrom.IsNull ();
//---------------------
// Calculate new offset
//---------------------
idDragFrom.SetNull ();
if (bInsertAfter)
{
idDropTo.m_nRow++;
}
CBCGPGridItemID idTo = GetDropOffset (idDragFrom, idDropTo);
ASSERT (idTo.m_nRow >= 0);
ASSERT (idTo.m_nColumn >= 0);
//----------------
// Mark selection: (save ranges to remove selection later)
//----------------
CleanUpImplementationData ();
if (bNoRemove)
{
m_arrCutRanges.SetSize (0);
}
else
{
m_arrCutRanges.SetSize (GetRangeCount ());
for (int i = 0; i < GetRangeCount (); i++)
{
CBCGPGridRange rangeOrder;
if (!GetRange (i, rangeOrder))
{
return FALSE;
}
rangeOrder.m_nTop += m_idRangesOffset.m_nRow;
rangeOrder.m_nBottom += m_idRangesOffset.m_nRow;
m_arrCutRanges [i] = (CMarkedGridRange) rangeOrder;
if (rangeOrder.m_nTop < idDropTo.m_nRow &&
rangeOrder.m_nBottom >= idDropTo.m_nRow)
{
//idDropTo = rangeOrder.m_nTop;
return FALSE; // can't insert inside range
}
}
}
//-------------
// Drop ranges:
//-------------
for (int i = 0; i < GetRangeCount (); i++)
{
CBCGPGridRange rangeOrder;
if (!GetRange (i, rangeOrder))
{
return FALSE;
}
if (rangeOrder.m_nTop < 0 || rangeOrder.m_nBottom < rangeOrder.m_nTop)
{
return FALSE;
}
const int nRowOffset = -rangeOrder.m_nTop + idTo.m_nRow + (int)m_lstNewRows.GetCount ();
rangeOrder.m_nTop += nRowOffset;
rangeOrder.m_nBottom += nRowOffset;
//------------
// Drop range:
//------------
UINT nDataSize = 0;
BYTE* pData = GetRangeData (i, nDataSize);
if (pData == NULL || nDataSize <= 0)
{
return FALSE;
}
CMemFile f(pData, nDataSize);
CArchive archive (&f, CArchive::load);
if (!ReadRowsFromArchive (archive, rangeOrder))
{
return FALSE;
}
archive.Close ();
}
if (!m_bSkipData)
{
//---------------------------
// Remove previous selection:
//---------------------------
CBCGPGridItemID id;
m_pOwnerGrid->SetCurSel (id, SM_NONE, FALSE);
//-------------------------
// Insert new rows to grid:
//-------------------------
InsertNewSelection (idTo.m_nRow, m_lstNewRows);
if (bMove)
{
//---------------------
// Remove marked items (previous selection):
//---------------------
if (!RemovePreviosSelection ())
{
return FALSE; // can't clear non empty items
}
}
UpdateSelectionRect (idTo);
m_pOwnerGrid->AdjustLayout ();
//-------------------
// Set new selection:
//-------------------
CBCGPGridRange rangeSel = m_InsertRange;
if (rangeSel.IsValid ())
{
CBCGPGridItemID idFirst (rangeSel.m_nTop);
CBCGPGridItemID idSecond (rangeSel.m_nBottom);
m_pOwnerGrid->SetCurSel (idFirst, SM_FIRST_CLICK | SM_SINGE_SEL_GROUP, FALSE);
m_pOwnerGrid->SetCurSel (idSecond, SM_SECOND_CLICK | SM_CONTINUE_SEL_GROUP, TRUE);
}
}
CleanUpImplementationData ();
return TRUE;
}