combolistctrl.cpp

一个长度信息管理系统。主要包含了界面编程和对文件操作。

				// If combo box is not read only
				// Create and show the in place edit control
				else if (!IsReadOnly(iColumnIndex))
				{
					CInPlaceEdit* pInPlaceEdit = ShowInPlaceEdit(iRowIndex, iColumnIndex, strCurSelection);
				}
			}
		}
	}  
}

void CComboListCtrl::OnRButtonDown(UINT iFlags, CPoint obPoint) 
{
	/*
	int iColumnIndex = -1;
	int iRowIndex = -1;

	// Get the current column and row
	if (!HitTestEx(obPoint, &iRowIndex, &iColumnIndex))
	{
		return;
	}

	CMenu PopupMenu;
	PopupMenu.LoadMenu(IDR_USRE_OPERATION);
	//ScreenToClient(&obPoint);
	ClientToScreen(&obPoint);

  PopupMenu.GetSubMenu(0)->TrackPopupMenu(TPM_LEFTALIGN, obPoint.x, obPoint.y, this);
*/
  }
bool CComboListCtrl::HitTestEx(CPoint &obPoint, int* pRowIndex, int* pColumnIndex) const
{
	if (!pRowIndex || !pColumnIndex)
	{
		return false;
	}

	// The index of the item at the position specified by pHitTestInfo, 
	//if any, or -1 otherwise
	*pRowIndex = HitTest(obPoint, NULL);
	//更改 
	if (-1 == *pRowIndex)
	{
		return false;
	}
	///
	if (pColumnIndex)
	{
		*pColumnIndex = 0;
	}

	// Make sure that the ListView is in LVS_REPORT
	if ((GetWindowLong(m_hWnd, GWL_STYLE) & LVS_TYPEMASK) != LVS_REPORT)
	{
		return false;
	}

	// Get the number of columns
	CHeaderCtrl* pHeader = (CHeaderCtrl*)GetDlgItem(0);

	int iColumnCount = pHeader->GetItemCount();

	// Get bounding rect of item and check whether obPoint falls in it.
	CRect obCellRect;
	GetItemRect(*pRowIndex, &obCellRect, LVIR_BOUNDS);
	
	if (obCellRect.PtInRect(obPoint))
	{
		// Now find the column
		for (*pColumnIndex = 0; *pColumnIndex < iColumnCount; (*pColumnIndex)++)
		{
			int iColWidth = GetColumnWidth(*pColumnIndex);
			
			if (obPoint.x >= obCellRect.left && obPoint.x <= (obCellRect.left + iColWidth))
			{
				return true;
			}
			obCellRect.left += iColWidth;
		}
	}
	return false;
}

void CComboListCtrl::SetComboColumns(int iColumnIndex, bool bSet /*= true*/)
{
	// If the Column Index is not present && Set flag is false
	// Then do nothing 
	// If the Column Index is present && Set flag is true
	// Then do nothing
	POSITION Pos = m_ComboSupportColumnsList.Find(iColumnIndex);

	// If the Column Index is not present && Set flag is true
	// Then Add to list
	if ((NULL == Pos) && bSet) 
	{
		m_ComboSupportColumnsList.AddTail(iColumnIndex); 
	}

	// If the Column Index is present && Set flag is false
	// Then Remove from list
	if ((NULL != Pos) && !bSet) 
	{
		m_ComboSupportColumnsList.RemoveAt(Pos); 
	}
}

void CComboListCtrl::SetReadOnlyColumns(int iColumnIndex, bool bSet /*= true*/)
{
	// If the Column Index is not present && Set flag is false
	// Then do nothing 
	// If the Column Index is present && Set flag is true
	// Then do nothing
	POSITION Pos = m_ReadOnlyColumnsList.Find(iColumnIndex);

	// If the Column Index is not present && Set flag is true
	// Then Add to list
	if ((NULL == Pos) && bSet) 
	{
		m_ReadOnlyColumnsList.AddTail(iColumnIndex); 
	}

	// If the Column Index is present && Set flag is false
	// Then Remove from list
	if ((NULL != Pos) && !bSet) 
	{
		m_ReadOnlyColumnsList.RemoveAt(Pos); 
	}
}

bool CComboListCtrl::IsReadOnly(int iColumnIndex)
{
	if (m_ReadOnlyColumnsList.Find(iColumnIndex))
	{
		return true;
	}
	
	return false;
}

bool CComboListCtrl::IsCombo(int iColumnIndex)
{
	if (m_ComboSupportColumnsList.Find(iColumnIndex))
	{
		return true;
	}

	return false;
}

void CComboListCtrl::CalculateCellRect(int iColumnIndex, int iRowIndex, CRect& robCellRect)
{
	GetItemRect(iRowIndex, &robCellRect, LVIR_BOUNDS);
	
	CRect rcClient;
	GetClientRect(&rcClient);

	if (robCellRect.right > rcClient.right) 
	{
		robCellRect.right = rcClient.right;
	}

	ScrollToView(iColumnIndex, robCellRect); 
}

void CComboListCtrl::OnEndLabelEdit(NMHDR* pNMHDR, LRESULT* pResult) 
{
	LV_DISPINFO* pDispInfo = (LV_DISPINFO*)pNMHDR;
	// TODO: Add your control notification handler code here


	SetItemText(pDispInfo->item.iItem, pDispInfo->item.iSubItem, pDispInfo->item.pszText);

	TRACE("%s",pDispInfo->item.pszText);


	// Update the item text with the new text

//	GetParent()->SendMessage(WM_VALIDATE, GetDlgCtrlID(), (LPARAM)pDispInfo); 
	
	*pResult = 0;
}

void CComboListCtrl::SetValidEditCtrlCharacters(CString &rstrValidCharacters)
{
	m_strValidEditCtrlChars = rstrValidCharacters;
}

void CComboListCtrl::SetColumnValidEditCtrlCharacters(CString &rstrValidCharacters,int column)
{
	//
	if(column>MAX_LISTCTRL_COLUMNS-1)
		return;
	if(column == -1)
	{
		for(int i=0;i<MAX_LISTCTRL_COLUMNS;i++)
		{
			m_strValidChars[i] = rstrValidCharacters;
		}
	}
	else
		m_strValidChars[column] = rstrValidCharacters;
}

void CComboListCtrl::EnableHScroll(bool bEnable /*= true*/)
{
	if (bEnable)
	{
		m_dwDropDownCtrlStyle |= WS_HSCROLL;
	}
	else
	{
		m_dwDropDownCtrlStyle &= ~WS_HSCROLL;
	}	
}

void CComboListCtrl::EnableVScroll(bool bEnable /*= true*/)
{
	if (bEnable)
	{
		m_dwDropDownCtrlStyle |= WS_VSCROLL;
	}
	else
	{
		m_dwDropDownCtrlStyle &= ~WS_VSCROLL;
	}
}

void CComboListCtrl::ScrollToView(int iColumnIndex, /*int iOffSet, */CRect& robCellRect)
{
	// Now scroll if we need to expose the column
	CRect rcClient;
	GetClientRect(&rcClient);

	int iColumnWidth = GetColumnWidth(iColumnIndex);

	// Get the column iOffset
	int iOffSet = 0;
	for (int iIndex_ = 0; iIndex_ < iColumnIndex; iIndex_++)
	{
		iOffSet += GetColumnWidth(iIndex_);
	}

	// If x1 of cell rect is < x1 of ctrl rect or
	// If x1 of cell rect is > x1 of ctrl rect or **Should not ideally happen**
	// If the width of the cell extends beyond x2 of ctrl rect then
	// Scroll

	CSize obScrollSize(0, 0);
	//if 选择的comlunm的左边不在客户区里
	//滚动到选择comlunm的左边
	if (((iOffSet + robCellRect.left) < rcClient.left) || 
		((iOffSet + robCellRect.left) > rcClient.right))
	{
		obScrollSize.cx = iOffSet + robCellRect.left; 
		Scroll(obScrollSize);
	}
	//更改
/*	//if 选择的comlunm的左边在客户区里但是右边不在客户区
	//滚动一个不在客户区那一部分的距离
	else if ((iOffSet + robCellRect.left + iColumnWidth) > rcClient.right)
	{
		obScrollSize.cx = iOffSet + robCellRect.left + iColumnWidth - rcClient.right;
	}
*/
//我屏蔽了	Scroll(obScrollSize);
	
	// Set the width to the column width
	robCellRect.left += iOffSet;
	robCellRect.right = robCellRect.left + iColumnWidth;
}

void CComboListCtrl::OnBeginLabelEdit(NMHDR* pNMHDR, LRESULT* pResult) 
{
//	LV_DISPINFO* pDispInfo = (LV_DISPINFO*)pNMHDR;
//	// TODO: Add your control notification handler code here
//	if (IsReadOnly(pDispInfo->item.iSubItem))
//	{
//		*pResult = 1;
//		return;
//	}
	//不能出现编辑框
	*pResult = 1;
}

int CComboListCtrl::InsertColumn(int nCol,LPCTSTR lpszColumnHeading,int nFormat ,int nWidth,int nSubItem)
{
	m_iColumnCounts++;
	return CListCtrl::InsertColumn( nCol, lpszColumnHeading, nFormat, nWidth, nSubItem);
}

int CComboListCtrl::GetColumnCounts()
{
	return m_iColumnCounts;
}

void CComboListCtrl::DeleteAllColumn()
{
	for(int i=0;i<m_iColumnCounts;i++)
	{
		DeleteColumn(0);
	}
}