85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
// SortListCtrl.cpp : implementation file
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//
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#include "stdafx.h"
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#include "SortListCtrl.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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//int CALLBACK ListCompare(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort);
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/////////////////////////////////////////////////////////////////////////////
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// CSortListCtrl
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CSortListCtrl::CSortListCtrl()
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{
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m_fAsc=TRUE;
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}
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CSortListCtrl::~CSortListCtrl()
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{
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}
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BEGIN_MESSAGE_MAP(CSortListCtrl, CListCtrl)
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//{{AFX_MSG_MAP(CSortListCtrl)
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//手工定义消息映射，处理顶部按钮被按下的消息
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ON_NOTIFY_REFLECT(LVN_COLUMNCLICK, OnColumnClick)
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CSortListCtrl message handlers
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//*******************************************************************
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//
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// 排序函数的实现
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//
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//*******************************************************************
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int CALLBACK ListCompare(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
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{
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CSortListCtrl* pV=(CSortListCtrl*)lParamSort;
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CString strItem1, strItem2;
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LVFINDINFO info;
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int nIndex;
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info.flags = LVFI_PARAM; //设置为LVFI_PARAM，后面的FindItem才能有效，详情参考MSDN的LVFINDINFO
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info.lParam = lParam1; //由item data(lParam1)得到对应的item text
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if ( (nIndex=pV->FindItem(&info)) != -1)
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strItem1 = pV->GetItemText(nIndex, pV->m_nSortedCol);
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info.lParam = lParam2; //由item data(lParam2)得到对应的item text
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if ( (nIndex=pV->FindItem(&info)) != -1)
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strItem2 = pV->GetItemText(nIndex, pV->m_nSortedCol);
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int iCompRes ;
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iCompRes = strcmp(strItem1, strItem2); //根据当前的排序方式进行调整
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if(pV->m_fAsc)
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return iCompRes;
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else
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return iCompRes*-1;
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}
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//*******************************************************************
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//
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// 处理顶部按钮被按下的消息
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//
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//*******************************************************************
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void CSortListCtrl::OnColumnClick( NMHDR* pNMHDR, LRESULT* pResult )
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{
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NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
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if( pNMListView->iSubItem == m_nSortedCol )
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m_fAsc = !m_fAsc;
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else
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{
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m_fAsc = TRUE;
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m_nSortedCol = pNMListView->iSubItem;
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}
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VERIFY(SortItems( ListCompare, reinterpret_cast<DWORD>( this )));
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*pResult = 0;
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} |