//****************************************************************************************
CBCGPGridItemID CBCGPGridSerializeManager::GetDropOffset (const CBCGPGridItemID& idDragFrom,
const CBCGPGridItemID& idDropTo) const
{
if (idDragFrom.IsNull ())
{
CBCGPGridItemID idOffset;
if (!IndexToOrder (idDropTo, idOffset))
{
idOffset.m_nRow = idDropTo.m_nRow;
idOffset.m_nColumn = 0;
}
idOffset.m_nColumn = max (0, idOffset.m_nColumn);
idOffset.m_nRow = max (0, idOffset.m_nRow);
return idOffset;
}
CBCGPGridItemID idDelta(0 ,0);
if (idDragFrom.m_nColumn != -1 && idDropTo.m_nColumn != -1 && !m_bWholeRowSelected)
{
CBCGPGridItemID idDragFromOrder, idDropToOrder;
if (IndexToOrder (idDragFrom, idDragFromOrder) &&
IndexToOrder (idDropTo, idDropToOrder))
{
idDelta.m_nColumn = idDropToOrder.m_nColumn - idDragFromOrder.m_nColumn;
}
}
if (idDragFrom.m_nRow != -1 && idDropTo.m_nRow != -1 && !m_bWholeColSelected)
{
idDelta.m_nRow = idDropTo.m_nRow - idDragFrom.m_nRow;
}
CBCGPGridItemID idOffset = m_idRangesOffset;
idOffset.m_nColumn = max (0, idOffset.m_nColumn + idDelta.m_nColumn);
idOffset.m_nRow = max (0, idOffset.m_nRow + idDelta.m_nRow);
return idOffset;
}
void CCxNDArrayDimGrid::OnLButtonDown(UINT nFlags, CPoint point)
{
//CBCGPGridCtrl::OnLButtonDown(nFlags, point);
CWnd::OnLButtonDown(nFlags, point);
OnFilterBarSetFocus (-1);
SetFocus ();
//--------------------
// Group-by-box click:
//--------------------
CRect rectColumn;
int nGroupHit = HitTestGroupByBox (point, rectColumn);
if (nGroupHit >= 0)
{
m_ptStartDrag = point;
StartDragColumn (nGroupHit, rectColumn, TRUE, FALSE);
return;
}
// -------------
// Track header:
// -------------
CPoint ptHeader = point;
if (OnTrackHeader () && m_rectList.PtInRect (point))
{
ptHeader.y = m_rectHeader.top;
}
int nColumnHit = GetColumnsInfo ().HitTestColumn (ptHeader, TRUE, STRETCH_DELTA);
if (nColumnHit != -1)
{
int nLButton = GetSystemMetrics (SM_SWAPBUTTON) ? VK_RBUTTON : VK_LBUTTON;
if ((GetAsyncKeyState (nLButton) & 0x8000) == 0)
{
return;
}
if (!GetColumnsInfo ().CanChangeWidth (nColumnHit))
{
// column can't be resized
return;
}
CRect rectHeaderColumn;
GetColumnsInfo ().GetColumnRect (nColumnHit, rectHeaderColumn);
SetCapture ();
m_nTrackColumn = nColumnHit;
TrackHeader (rectHeaderColumn.right);
m_bTracking = TRUE;
return;
}
if (IsDragSelectionBorderEnabled () && HitTestSelectionBorder (point))
{
if (StartDragItems (point))
{
return;
}
}
//--------------
// Header click:
//--------------
CBCGPGridColumnsInfo::ClickArea clickAreaHeader;
nColumnHit = GetColumnsInfo ().HitTestColumn (point, FALSE, STRETCH_DELTA, &clickAreaHeader);
if (nColumnHit >= 0)
{
DoColumnHeaderClick (nColumnHit, point, clickAreaHeader);
return;
}
//-------------------------
// "Select all" area click:
//-------------------------
if (m_rectSelectAllArea.PtInRect (point))
{
OnSelectAllClick ();
return;
}
//------------------
// Row header click:
//------------------
CRect rectRowHeader;
CCxNDArrayDimRow* pHitHeaderRow = (CCxNDArrayDimRow*)HitTestRowHeader (point, rectRowHeader);
if (pHitHeaderRow != NULL)
{
DoRowHeaderClick (pHitHeaderRow, point, rectRowHeader);
return;
}
// ---------------------------
// Set selection (first click):
// ---------------------------
CBCGPGridRow::ClickArea clickArea;
CBCGPGridItemID id;
CBCGPGridItem* pHitItem = NULL;
CBCGPGridRow* pHitRow = HitTest (point, id, pHitItem, &clickArea);
BOOL bSelChanged = id != m_idLastSel;
BOOL bIsButtonClick = pHitItem != NULL && ((CCxNDArrayDimItem*)pHitItem)->m_rectButton.PtInRect (point);
const BOOL bShift = (::GetAsyncKeyState (VK_SHIFT) & 0x8000) != 0 && !m_bIgnoreShiftBtn;
const BOOL bCtrl = (::GetAsyncKeyState (VK_CONTROL) & 0x8000) != 0 && !m_bIgnoreCtrlBtn;
if (IsDragSelectionEnabled () && IsItemSelected (id) && !(bCtrl && m_bInvertSelOnCtrl))
{
if (StartDragItems (point))
{
return;
}
}
DWORD dwSelMode = SM_NONE;
if (!id.IsNull ())
{
dwSelMode = SM_FIRST_CLICK |
(m_bSingleSel ? SM_SINGE_SEL_GROUP :
(bCtrl ? SM_ADD_SEL_GROUP :
(bShift ? SM_CONTINUE_SEL_GROUP : SM_SINGE_SEL_GROUP)));
if (bCtrl && m_bInvertSelOnCtrl)
{
dwSelMode |= SM_INVERT_SEL;
}
if (pHitRow != NULL && id.IsRow ())
{
dwSelMode |= SM_ROW;
}
if (id.IsColumn ())
{
dwSelMode |= SM_COLUMN;
}
}
m_bNoUpdateWindow = TRUE; // prevent flickering
m_pSetSelItem = m_bVirtualMode ? NULL : pHitItem;
SetCurSel (id, dwSelMode);
m_pSetSelItem = NULL;
m_bNoUpdateWindow = FALSE;
if (id.IsNull () || pHitRow == NULL)
{
return;
}
ASSERT_VALID (pHitRow);
EnsureVisible (pHitRow);
CCxNDArrayDimRow* pCurSel = (CCxNDArrayDimRow*)GetCurSel ();
CCxNDArrayDimItem* pItem = ( CCxNDArrayDimItem* )GetCurSelItem (pCurSel);
if (id != m_idActive || pCurSel == NULL || (pItem == NULL && clickArea == CBCGPGridRow::ClickValue))
{
// The hitten item is not active - do not translate a click to the grid item.
// Translate a click for single item only.
return;
}
// ------------------------------
// Translate a click to the item:
// ------------------------------
ASSERT_VALID (pCurSel); // pCurSel - hitten row
switch (clickArea)
{
case CBCGPGridRow::ClickExpandBox:
pCurSel->Expand (!pCurSel->IsExpanded ());
break;
case CBCGPGridRow::ClickName:
pCurSel->OnClickName (point);
// Start selecting range of items:
StartSelectItems ();
break;
case CBCGPGridRow::ClickValue:
ASSERT_VALID (pItem); // pItem - hitten active item
if (pCurSel->m_bEnabled && pItem->IsEnabled ())
{
if (bIsButtonClick || m_bSingleSel)
{
DoClickValue (pItem, WM_LBUTTONDOWN, point, bSelChanged, bIsButtonClick);
}
else
{
// Defer the item click:
SetTimer (GRID_CLICKVALUE_TIMER_ID, GRID_CLICKVALUE_TIMER_INTERVAL, NULL);
m_bClickTimer = TRUE;
m_ptClickOnce = point;
m_bIsFirstClick = bSelChanged;
m_bIsButtonClick = bIsButtonClick;
m_bHeaderRowSelecting = FALSE;
m_bHeaderColSelecting = FALSE;
StartSelectItems ();
return;
}
}
break;
default:
break;
}
}
//****************************************************************************************
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;
}