tyopcclientview.cpp

OPC Client 源代码

				rc.top = rcitem.top;
							
				// Force a repaint of the area:
				cList.InvalidateRect (&rc, FALSE);
				}
			}
			break;

		// Use default processing of all other event types:
		default:
			CListView::OnTimer (nIDEvent);
			break;
		}
}

// **************************************************************************
// OnToolHitTest ()
//
// Description:
//	Called to determine if the point is over a tool.  Return the ID of the
//	tool found (Documentaion says return 1 if found, otherwise -1.  After
//	researching this, we found that this is not the case.  We need to return
//	a unique ID for each tool found or -1 if no tool is found.)  Tool in our 
//	case refers to an item/subitem cell.
//
// Parameters:
//  CPoint		cPoint		Location of cursor.
//	TOOLINFO	*pTI		Structure containing information about a 
//							  tool in a ToolTip control. 
//
// Returns:
//  int - ID of the tool found or -1 if no tool found.
// **************************************************************************
int CViewOPCItem::OnToolHitTest (CPoint cPoint, TOOLINFO *pTI) const
	{
	int nRow = 0;
	int nCol = 0;

	// Get the (sub)item cell that the point resides in:
	CRect rc;
	nRow = GetCellRectFromPoint (cPoint, rc, &nCol);

	// If no cell was hit (indicated by nRow = -1), or if the cell does
	// not require a tool tip (entire text can fit in cell), then
	// return -1 (no tool found).
	if ((nRow == -1) || !(RequireCellToolTip (nRow, nCol, rc)))
		return (-1);

	// If we make it here, then the hit was in a cell that requires a 
	// tool tip to display entire text.

	// Fill the toolinfo structure (function's out parameter):

	// Handle to the window that contains the tool (i.e. this view):
	pTI->hwnd = m_hWnd;
	
	// Compute a unique tool ID from row and cell.  Ten least significant
	// bits will be the column number (up to 1023 columns), remaining 22
	// bits will be the row number (up 4194303 to rows).  Add one to make
	// ID non-zero since the list view will automatically create a tip
	// with ID zero.
	pTI->uId = (UINT)((nRow << 10) + (nCol & 0x3FF) + 1);

	// Get tool text through callback (TTN_NEEDTEXT notification)
	pTI->lpszText = LPSTR_TEXTCALLBACK;

	// Tool boundary:
	pTI->rect = rc;						// tool rect boundary

	// Return the ID of the tool:
	return (pTI->uId);
}

// **************************************************************************
// GetCellRectFromPoint ()
//
// Description:
//	Return the cell boundaries that a point resides in, along with the 
//	associated list control row and column.
//
// Parameters:
//  CPoint		&cPoint		Point.
//	CRect		&rc			Rectangle that defines cell cPoint resides in.
//	int			*pCol		Column cPoint resides in.		
//
// Returns:
//  int	- The row cPoint resides in, or -1 if not in a cell.
// **************************************************************************
int CViewOPCItem::GetCellRectFromPoint (CPoint &cPoint, CRect &rc, int *pCol) const
{
	int nCol = 0;	
	int nRow = 0;
	int nBottom = 0;
	int cnColumns = 0;

	// Get reference to our list control:
	CListCtrl &cList = GetListCtrl ();

	// Get the row number of top item:
	nRow = cList.GetTopIndex ();

	// Compute the row number of bottom item:
	nBottom = nRow + cList.GetCountPerPage ();

	// Make sure bottom row number is valid:
	if (nBottom > cList.GetItemCount ())
		nBottom = cList.GetItemCount ();
	
	// Get the number of columns (better be NUMCOLUMNS):
	CHeaderCtrl* pHeader = (CHeaderCtrl*) GetDlgItem (0);
	cnColumns = pHeader->GetItemCount ();	
	
	// Determine which row the hit occurred.  Loop over visible rows:
	for (; nRow <= nBottom; nRow++)	
		{
		// Get bounding rect of item:		
		cList.GetItemRect (nRow, &rc, LVIR_BOUNDS);		
		
		// If the point falls in bounds, we found the row:
		if (rc.PtInRect (cPoint))		
			{
			// Now find the column.  Loop over columns:
			for (nCol = 0; nCol < cnColumns; nCol++)
				{
				// Get the width of column:
				int nColWidth = cList.GetColumnWidth (nCol);				
				
				// If the within the column boundaries, we found the column:
				if (cPoint.x >= rc.left && cPoint.x <= (rc.left + nColWidth))				
					{
					// At this point, rc will describe all but the right
					// boundary of the cell.  The top and bottom we set
					// when we found the row.  The left boundary was set
					// when we checked this column.

					// Now get client area.  We will use it later:
					CRect rcClient;
					GetClientRect (&rcClient);

					// Set the column number for output, provided pointer
					// was set by colling function:
					if (pCol) 
						*pCol = nCol;

					// Adjust right boundary so that rc now full describes
					// the cell:
					rc.right = rc.left + nColWidth;

					// Adjust the right boundary again to ensure that it does
					// not exceed client area:
					if (rc.right > rcClient.right)
						rc.right = rcClient.right;

					// We have everything we need now, so return:
					return (nRow);				
					}				
				
				// Adjust the left boundary so we can check the next column:
				rc.left += nColWidth;			
				}		
			}	
		}

	// If we make it here, then hit was not over a cell.  Return
	// -1 to indicate this:
	return (-1);
}

// **************************************************************************
// RequireCellToolTip ()
//
// Description:
//	Determins if a cell tool tip is required.  Tool tip is required if cell
//	is too narrow to display its full text.
//
// Parameters:
//  int			nRow		Row number of cell.
//	int			nCol		Column number of cell.
//	CRect		rc			Rectangle that bounds the cell.
//
// Return:
//  bool - true if tool tip is requred.
// **************************************************************************
bool CViewOPCItem::RequireCellToolTip (int nRow, int nCol, CRect rc) const
	{
	// Get reference to our list control:
	CListCtrl &cList = GetListCtrl ();

	// Get cell text:
	CString strText;
	strText = cList.GetItemText (nRow, nCol);	

	// Create a device context so we can get the cell text extent:
	CWindowDC dc (&cList);

	// Set the current font:
	dc.SelectObject (cList.GetFont ());

	// Get the size of the text (given device context and font):
	CSize size = dc.GetTextExtent (strText);

	// If the string is longer then the column width, then we will return
	// true (need tool tip).  Otherwise we will return false.  Subtract
	// twenty from cell's width for column buffering.
	return (size.cx >= (rc.right - rc.left - 20));
}

void CViewOPCItem::OnItemClick(NMHDR* pNMHDR, LRESULT* pResult) 
{
	HD_NOTIFY *phdn = (HD_NOTIFY *) pNMHDR;
	// TODO: Add your control notification handler code here
	
	*pResult = 0;
}

void CViewOPCItem::PreSubclassWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	
	CListView::PreSubclassWindow();

	// Enable tooltips:
	EnableToolTips (TRUE);

}

void CViewOPCItem::OnColumnClick(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
	// TODO: Add your control notification handler code here

	// Create a wait cursor object.  This will cause the wait cursor, 
	// usually an hourglass, to be displayed.  When this object goes
	// out of scope, its destructor will restore the previous cursor
	// type.
	CWaitCursor wc;

	// Get column index from message notification structure:
	WORD wColumn = ((NM_LISTVIEW *)pNMHDR)->iSubItem;

	// Record change in sorting parameters:

	// If same sort column selected, toggle the sort order:
	if (wColumn == sm_wSortColumn)
		sm_wSortOrder = !sm_wSortOrder;

	// Else sort using data in new sort column:
	else
		sm_wSortColumn = wColumn;

	// Sort the list using new column and order settings:
	SortItems ();
	
	*pResult = 0;
}

void CViewOPCItem::OnRButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CListView::OnRButtonDown(nFlags, point);
//	TRACE("CViewOPCItem::OnRButtonDown()---1\n");

	// Get reference to our list control:
	CListCtrl &cList = GetListCtrl ();

	// See if the click was on an item.  Return value will be item index hit
	// was on, or -1 if hit was not on an item.  Additional information will
	// also be loaded into flags parameter.
	UINT uHitFlags;
	int nItem = cList.HitTest (point, &uHitFlags);
	BOOL bCurSelItemState=false;	//当前选择项状态
	if (nItem >= 0 && (uHitFlags & LVHT_ONITEM)) //
		bCurSelItemState=cList.GetItemState (nItem, LVIS_SELECTED);
//	int nFlags=0;
	if(!(nFlags & MK_CONTROL)	//没有使用MK_CONTROL
	 &&!(nFlags & MK_SHIFT)		//没有使用MK_SHIFT
	 && !bCurSelItemState		//当前项没有选择
		)
	{	//清除选择标记
		int nSelIndex = cList.GetNextItem (-1, LVNI_ALL | LVNI_SELECTED);
		while (nSelIndex >= 0)
		{
			//清除选择标记:
			cList.SetItemState (nSelIndex, ~LVIS_SELECTED, LVIS_SELECTED);
			nSelIndex = cList.GetNextItem (nSelIndex, LVNI_ALL | LVNI_SELECTED);
		}
	}
	//
	if (nItem >= 0 && (uHitFlags & LVHT_ONITEM)) //
		if (!cList.GetItemState (nItem, LVIS_SELECTED))	//没有选中
			cList.SetItemState (nItem, LVIS_SELECTED | LVIS_FOCUSED, LVIS_SELECTED | LVIS_FOCUSED);

	int uSelectedCount=cList.GetSelectedCount ();
	TRACE("CViewOPCItem::OnRClick()--uSelectedCount=%d\n",uSelectedCount);
	DWORD	dwSelItem=SEL_BRANCH_OPCITEM_NULL;
	switch(uSelectedCount)
	{
	case 0:
		dwSelItem=SEL_BRANCH_OPCITEM_NULL;
		break;
	case 1:
		dwSelItem=SEL_BRANCH_OPCITEM_ONE;
		break;
	default:
		dwSelItem=SEL_BRANCH_OPCITEM_MORE;
	}

	//设定选择级数
	CTYOPCClientDoc* pDoc=(CTYOPCClientDoc*)GetDocument();
	ASSERT(pDoc);
	pDoc->SetSelBranch (dwSelItem);


	//加载相应的菜单:
	CMenu cMenuUp;
 	CMenu* pMenu;
	cMenuUp.LoadMenu (IDR_MAINFRAME);

	pMenu=cMenuUp.GetSubMenu (2)->GetSubMenu(4);						//加载菜单
	if(pMenu==NULL)
		return;

	CPoint cPtScreen=point;
//	GetCursorPos(&cPtScreen);
	ClientToScreen(&cPtScreen);

	//必须在CListView::OnRButtonDown(nFlags, point)之后调用,或在OnRClick(NMHDR* pNMHDR, LRESULT* pResult)实现
	//TrackPopupMenu----
	pMenu->TrackPopupMenu(		
		TPM_LEFTALIGN | TPM_RIGHTBUTTON,
		cPtScreen.x, cPtScreen.y, 
		AfxGetMainWnd ());	
//	TRACE("CViewOPCItem::OnRButtonDown()---2\n");

}

void CViewOPCItem::GetSelOPCItem(CStringArray &strSelItems)
{
	CListCtrl &cList = GetListCtrl ();
	int nSelIndex = cList.GetNextItem (-1, LVNI_ALL | LVNI_SELECTED);
//	CStringArray strSelItems;
	CString strText;
	while (nSelIndex >= 0)
	{
		strText=cList.GetItemText(nSelIndex,1);
		strSelItems.Add (strText);
		nSelIndex = cList.GetNextItem (nSelIndex, LVNI_ALL | LVNI_SELECTED);
	}
	TRACE("CViewOPCItem::GetSelOPCItem():SelItemCount=%d\n",strSelItems.GetUpperBound ()+1);
	//设定选择级数
//	CTYOPCClientDoc* pDoc=(CTYOPCClientDoc*)GetDocument();
//	ASSERT(pDoc);
//	pDoc->SetSelOPCItem (strArrSel);
}

void CViewOPCItem::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
	CListView::OnLButtonDown(nFlags, point);

//	GetSelOPCItem();		//将当前选中的项传递给DOC
}

void CViewOPCItem::OnOPCItemAsync20Write() 
{
	// TODO: Add your command handler code here
	CStringArray strSelItems;
	GetSelOPCItem(strSelItems);
	//2.弹出修改对话框
	CDlgOPCItemWrite Dlg(this);
	Dlg.SetWriteItem ((CTYOPCClientDoc*)GetDocument(),strSelItems);
	Dlg.DoModal ();

}

void CViewOPCItem::OnRClick(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	*pResult = 0;
	return;
	//将鼠标点转换为屏幕坐标系:
	CPoint cPtScreen,point;
	GetCursorPos(&cPtScreen);
//	ClientToScreen (&cPtScreen);	
	point = cPtScreen;

	// Get reference to our list control:
	CListCtrl &cList = GetListCtrl ();

	cList.ScreenToClient(&point);
	CRect rect;
	cList.GetClientRect(rect);
	if(!rect.PtInRect (point))
		return;

	// See if the click was on an item.  Return value will be item index hit
	// was on, or -1 if hit was not on an item.  Additional information will
	// also be loaded into flags parameter.
	UINT uHitFlags;
	int nItem = cList.HitTest (point, &uHitFlags);
	BOOL bCurSelItemState=false;	//当前选择项状态
	if (nItem >= 0 && (uHitFlags & LVHT_ONITEM)) //
		bCurSelItemState=cList.GetItemState (nItem, LVIS_SELECTED);
	int nFlags=0;
	if(!(nFlags & MK_CONTROL)	//没有使用MK_CONTROL
	 &&!(nFlags & MK_SHIFT)		//没有使用MK_SHIFT
	 && !bCurSelItemState		//当前项没有选择
		)
	{	//清除选择标记
		int nSelIndex = cList.GetNextItem (-1, LVNI_ALL | LVNI_SELECTED);
		while (nSelIndex >= 0)
		{
			//清除选择标记:
			cList.SetItemState (nSelIndex, ~LVIS_SELECTED, LVIS_SELECTED);
			nSelIndex = cList.GetNextItem (nSelIndex, LVNI_ALL | LVNI_SELECTED);
		}
	}
	//
	if (nItem >= 0 && (uHitFlags & LVHT_ONITEM)) //
		if (!cList.GetItemState (nItem, LVIS_SELECTED))	//没有选中
			cList.SetItemState (nItem, LVIS_SELECTED | LVIS_FOCUSED, LVIS_SELECTED | LVIS_FOCUSED);

	int uSelectedCount=cList.GetSelectedCount ();
	TRACE("CViewOPCItem::OnRClick()--uSelectedCount=%d\n",uSelectedCount);
	DWORD	dwSelItem=SEL_BRANCH_OPCITEM_NULL;
	switch(uSelectedCount)
	{
	case 0:
		dwSelItem=SEL_BRANCH_OPCITEM_NULL;
		break;
	case 1:
		dwSelItem=SEL_BRANCH_OPCITEM_ONE;
		break;
	default:
		dwSelItem=SEL_BRANCH_OPCITEM_MORE;
	}

//	GetSelOPCItem();		//将当前选中的项传递给DOC

	//设定选择级数
	CTYOPCClientDoc* pDoc=(CTYOPCClientDoc*)GetDocument();
	ASSERT(pDoc);
	if(pDoc->GetSelBranch()==SEL_BRANCH_OPCGROUP)
		pDoc->SetSelBranch (dwSelItem);


	//加载相应的菜单:
	CMenu cMenuUp;
 	CMenu* pMenu;
	cMenuUp.LoadMenu (IDR_MAINFRAME);

	pMenu=cMenuUp.GetSubMenu (2)->GetSubMenu(4);						//加载菜单
	if(pMenu==NULL)
		return;
	TRACE("CViewOPCItem::OnRClick()---1\n");
	pMenu->TrackPopupMenu(
		TPM_LEFTALIGN | TPM_RIGHTBUTTON,
		cPtScreen.x, cPtScreen.y, 
		AfxGetMainWnd ());
	TRACE("CViewOPCItem::OnRClick()---2\n");
	
	*pResult = 0;
}

void CViewOPCItem::OnDblclk(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	*pResult = 0;
	CListCtrl &cList = GetListCtrl ();
	int nSelCount=cList.GetSelectedCount ();
	if(nSelCount!=1)	
		return;

	int  nItem = -1;
    nItem = cList.GetNextItem(nItem, LVNI_SELECTED);
    ASSERT(nItem != -1);
	COPCItem *pItem = (COPCItem *)sm_pSortedItems [nItem];
	if(pItem)
	{
		//得到选择组
		CTYOPCClientDoc* pDoc=(CTYOPCClientDoc*)GetDocument();
		ASSERT(pDoc);
		COPCGroup* pGroup=pDoc->m_cOPCMgt.GetSelOPCGroup ();
		CDlgOPCItemProperty dlg(pGroup,pItem);
		if(IDOK==dlg.DoModal())
		{
			Invalidate();
			pDoc->SetModifiedFlag (TRUE);
		}
	}
    

}