415 lines
11 KiB
C++
415 lines
11 KiB
C++
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/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1996 Microsoft Corporation
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//
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// Module Name:
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// OLCPair.cpp
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//
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// Abstract:
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// Implementation of the COrderedListCtrlPair class.
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//
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// Author:
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// David Potter (davidp) August 8, 1996
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//
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// Revision History:
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//
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// Notes:
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "OLCPair.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// COrderedListCtrlPair
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/////////////////////////////////////////////////////////////////////////////
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IMPLEMENT_DYNCREATE(COrderedListCtrlPair, CListCtrlPair)
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/////////////////////////////////////////////////////////////////////////////
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// Message Maps
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BEGIN_MESSAGE_MAP(COrderedListCtrlPair, CListCtrlPair)
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//{{AFX_MSG_MAP(COrderedListCtrlPair)
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//}}AFX_MSG_MAP
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ON_NOTIFY(LVN_ITEMCHANGED, IDC_LCP_RIGHT_LIST, OnItemChangedRightList)
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ON_BN_CLICKED(IDC_LCP_MOVE_UP, OnClickedMoveUp)
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ON_BN_CLICKED(IDC_LCP_MOVE_DOWN, OnClickedMoveDown)
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::COrderedListCtrlPair
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//
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// Routine Description:
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// Default constructor.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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COrderedListCtrlPair::COrderedListCtrlPair(void)
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{
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ModifyStyle(0, LCPS_ORDERED);
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} //*** COrderedListCtrlPair::COrderedListCtrlPair()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::COrderedListCtrlPair
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//
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// Routine Description:
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// Cconstructor.
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//
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// Arguments:
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// pdlg [IN OUT] Dialog to which controls belong.
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// plpobjRight [IN OUT] List for the right list control.
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// plpobjLeft [IN] List for the left list control.
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// dwStyle [IN] Style:
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// LCPS_SHOW_IMAGES Show images to left of items.
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// LCPS_ALLOW_EMPTY Allow right list to be empty.
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// LCPS_ORDERED Ordered right list.
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// pfnGetColumn [IN] Function pointer for retrieving columns.
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// pfnDisplayProps [IN] Function pointer for displaying properties.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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COrderedListCtrlPair::COrderedListCtrlPair(
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IN OUT CDialog * pdlg,
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IN OUT CClusterItemList * plpobjRight,
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IN const CClusterItemList * plpobjLeft,
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IN DWORD dwStyle,
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IN PFNLCPGETCOLUMN pfnGetColumn,
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IN PFNLCPDISPPROPS pfnDisplayProps
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)
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: CListCtrlPair(
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pdlg,
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plpobjRight,
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plpobjLeft,
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dwStyle,
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pfnGetColumn,
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pfnDisplayProps
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)
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{
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} //*** COrderedListCtrlPair::COrderedListCtrlPair()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::DoDataExchange
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//
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// Routine Description:
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// Do data exchange between the dialog and the class.
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//
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// Arguments:
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// pDX [IN OUT] Data exchange object
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void COrderedListCtrlPair::DoDataExchange(CDataExchange * pDX)
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{
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CListCtrlPair::DoDataExchange(pDX);
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DDX_Control(pDX, IDC_LCP_MOVE_UP, m_pbMoveUp);
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DDX_Control(pDX, IDC_LCP_MOVE_DOWN, m_pbMoveDown);
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} //*** COrderedListCtrlPair::DoDataExchange()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::OnInitDialog
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//
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// Routine Description:
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// Handler for the WM_INITDIALOG message.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// TRUE Focus needs to be set.
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// FALSE Focus already set.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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BOOL COrderedListCtrlPair::OnInitDialog(void)
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{
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// Call the base class method.
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CListCtrlPair::OnInitDialog();
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// If this is an ordered list, show the Move buttons.
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// Otherwise, hide them.
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SetUpDownState();
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// If this is an ordered list, don't sort items in the right list.
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if (BOrdered())
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m_lcRight.ModifyStyle(LVS_SORTASCENDING, 0, 0);
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else
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m_lcRight.ModifyStyle(0, LVS_SORTASCENDING, 0);
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// Reload the list control.
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Pdlg()->UpdateData(FALSE /*bSaveAndValidate*/);
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return TRUE; // return TRUE unless you set the focus to a control
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// EXCEPTION: OCX Property Pages should return FALSE
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} //*** COrderedListCtrlPair::OnInitDialog()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::OnSetActive
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//
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// Routine Description:
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// Handler for the PSN_SETACTIVE message.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// TRUE Page successfully initialized.
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// FALSE Page not initialized.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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BOOL COrderedListCtrlPair::OnSetActive(void)
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{
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UINT nSelCount;
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nSelCount = m_lcRight.GetSelectedCount();
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if (BPropertiesButton())
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m_pbProperties.EnableWindow(nSelCount == 1);
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// Enable or disable the other buttons.
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if (!BReadOnly())
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SetUpDownState();
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return CListCtrlPair::OnSetActive();
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} //*** COrderedListCtrlPair::OnSetActive()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::OnItemChangedRightList
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//
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// Routine Description:
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// Handler method for the LVN_ITEMCHANGED message in the right list.
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//
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// Arguments:
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// pNMHDR [IN OUT] WM_NOTIFY structure.
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// pResult [OUT] LRESULT in which to return the result of this operation.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void COrderedListCtrlPair::OnItemChangedRightList(NMHDR * pNMHDR, LRESULT * pResult)
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{
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NM_LISTVIEW * pNMListView = (NM_LISTVIEW *) pNMHDR;
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// Call the base class method.
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CListCtrlPair::OnItemChangedRightList(pNMHDR, pResult);
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if (BOrdered())
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{
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// If the selection changed, enable/disable the Remove button.
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if ((pNMListView->uChanged & LVIF_STATE)
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&& ((pNMListView->uOldState & LVIS_SELECTED)
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|| (pNMListView->uNewState & LVIS_SELECTED)))
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{
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SetUpDownState();
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} // if: selection changed
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} // if: list is ordered
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*pResult = 0;
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} //*** COrderedListCtrlPair::OnItemChangedRightList()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::OnClickedMoveUp
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//
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// Routine Description:
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// Handler for the BN_CLICKED message on the Move Up button.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void COrderedListCtrlPair::OnClickedMoveUp(void)
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{
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int nItem;
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CClusterItem * pci;
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// Find the index of the selected item.
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nItem = m_lcRight.GetNextItem(-1, LVNI_SELECTED);
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ASSERT(nItem != -1);
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// Get the item pointer.
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pci = (CClusterItem *) m_lcRight.GetItemData(nItem);
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ASSERT_VALID(pci);
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// Remove the selected item from the list and add it back in.
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{
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POSITION posRemove;
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POSITION posAdd;
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// Find the position of the item to be removed and the item before
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// which the item is to be inserted.
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posRemove = LpobjRight().FindIndex(nItem);
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ASSERT(posRemove != NULL);
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ASSERT(posRemove == LpobjRight().Find(pci));
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posAdd = LpobjRight().FindIndex(nItem - 1);
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ASSERT(posAdd != NULL);
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VERIFY(LpobjRight().InsertBefore(posAdd, pci) != NULL);
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LpobjRight().RemoveAt(posRemove);
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} // Remove the selected item from the list and add it back in
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// Remove the selected item from the list control and add it back in.
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VERIFY(m_lcRight.DeleteItem(nItem));
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NInsertItemInListCtrl(nItem - 1, pci, m_lcRight);
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m_lcRight.SetItemState(
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nItem - 1,
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LVIS_SELECTED | LVIS_FOCUSED,
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LVIS_SELECTED | LVIS_FOCUSED
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);
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m_lcRight.EnsureVisible(nItem - 1, FALSE /*bPartialOK*/);
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m_lcRight.SetFocus();
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} //*** COrderedListCtrlPair::OnClickedMoveUp()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::OnClickedMoveDown
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//
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// Routine Description:
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// Handler for the BN_CLICKED message on the Move Down button.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void COrderedListCtrlPair::OnClickedMoveDown(void)
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{
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int nItem;
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CClusterItem * pci;
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// Find the index of the selected item.
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nItem = m_lcRight.GetNextItem(-1, LVNI_SELECTED);
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ASSERT(nItem != -1);
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// Get the item pointer.
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pci = (CClusterItem *) m_lcRight.GetItemData(nItem);
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ASSERT_VALID(pci);
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// Remove the selected item from the list and add it back in.
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{
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POSITION posRemove;
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POSITION posAdd;
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// Find the position of the item to be removed and the item after
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// which the item is to be inserted.
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posRemove = LpobjRight().FindIndex(nItem);
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ASSERT(posRemove != NULL);
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ASSERT(posRemove == LpobjRight().Find(pci));
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posAdd = LpobjRight().FindIndex(nItem + 1);
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ASSERT(posAdd != NULL);
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VERIFY(LpobjRight().InsertAfter(posAdd, pci) != NULL);
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LpobjRight().RemoveAt(posRemove);
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} // Remove the selected item from the list and add it back in
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// Remove the selected item from the list control and add it back in.
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VERIFY(m_lcRight.DeleteItem(nItem));
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NInsertItemInListCtrl(nItem + 1, pci, m_lcRight);
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m_lcRight.SetItemState(
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nItem + 1,
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LVIS_SELECTED | LVIS_FOCUSED,
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LVIS_SELECTED | LVIS_FOCUSED
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);
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m_lcRight.EnsureVisible(nItem + 1, FALSE /*bPartialOK*/);
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m_lcRight.SetFocus();
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} //*** COrderedListCtrlPair::OnClickedMoveDown()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// COrderedListCtrlPair::SetUpDownState
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//
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// Routine Description:
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// Set the state of the Up/Down buttons based on the selection.
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//
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// Arguments:
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// None.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void COrderedListCtrlPair::SetUpDownState(void)
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{
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BOOL bEnableUp;
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BOOL bEnableDown;
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if ( BOrdered()
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&& !BReadOnly()
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&& (m_lcRight.GetSelectedCount() == 1))
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{
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int nItem;
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bEnableUp = TRUE;
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bEnableDown = TRUE;
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// Find the index of the selected item.
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nItem = m_lcRight.GetNextItem(-1, LVNI_SELECTED);
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ASSERT(nItem != -1);
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// If the first item is selected, can't move up.
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if (nItem == 0)
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bEnableUp = FALSE;
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// If the last item is selected, can't move down.
|
||
|
|
if (nItem == m_lcRight.GetItemCount() - 1)
|
||
|
|
bEnableDown = FALSE;
|
||
|
|
} // if: only one item selected
|
||
|
|
else
|
||
|
|
{
|
||
|
|
bEnableUp = FALSE;
|
||
|
|
bEnableDown = FALSE;
|
||
|
|
} // else: zero or more than one item selected
|
||
|
|
|
||
|
|
m_pbMoveUp.EnableWindow(bEnableUp);
|
||
|
|
m_pbMoveDown.EnableWindow(bEnableDown);
|
||
|
|
|
||
|
|
} //*** COrderedListCtrlPair::SetUpDownState()
|