ex080201view.cpp

Visual C++ 入门、进阶、与应用 如何使用链表末尾追加节点实例 可学习操作链表

// Ex080201View.cpp : implementation of the CEx080201View class
//

#include "stdafx.h"
#include "Ex080201.h"

#include "Ex080201Doc.h"
#include "Ex080201View.h"
#include "EditUserDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CEx080201View


IMPLEMENT_DYNCREATE(CEx080201View, CFormView)

BEGIN_MESSAGE_MAP(CEx080201View, CFormView)
	//{{AFX_MSG_MAP(CEx080201View)
	ON_BN_CLICKED(IDC_ADD_USER, OnAddUser)
	ON_BN_CLICKED(IDC_DELETE_USER, OnDeleteUser)
	ON_BN_CLICKED(IDC_EDIT_USER, OnEditUser)
	ON_NOTIFY(LVN_ITEMCHANGED, IDC_USER_LIST, OnItemchangedUserList)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx080201View construction/destruction

CEx080201View::CEx080201View()
	: CFormView(CEx080201View::IDD)
{
	//{{AFX_DATA_INIT(CEx080201View)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// TODO: add construction code here

}

CEx080201View::~CEx080201View()
{
}

void CEx080201View::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEx080201View)
	DDX_Control(pDX, IDC_USER_LIST, m_userList);
	//}}AFX_DATA_MAP
}

BOOL CEx080201View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CFormView::PreCreateWindow(cs);
}

void CEx080201View::OnInitialUpdate()
{
	CFormView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();
	
	m_userList.InsertColumn(0,"用户名",LVCFMT_LEFT,100);
	m_userList.InsertColumn(1,"权限",LVCFMT_LEFT,100);
	m_userList.InsertColumn(2,"简价",LVCFMT_LEFT,100);
	
	POSITION pos = CEx080201Doc::s_UserManage.m_userInfos.GetStartPosition() ;
	while(NULL != pos )
	{
		UINT uID ;
		CUser * pUser = NULL ;
		CEx080201Doc::s_UserManage.m_userInfos.GetNextAssoc(pos,uID,pUser);
		
		int nItem = m_userList.GetItemCount() ;
		nItem = m_userList.InsertItem(nItem,pUser->m_strUserName);
		CString strPopedom ;
		strPopedom.Format("权限为%d",pUser->m_uPopedom);
		m_userList.SetItemText(nItem,1,strPopedom);
		m_userList.SetItemText(nItem,2,pUser->m_strComment);
		m_userList.SetItemData(nItem,pUser->m_uID);
	}
	
	EableButtons() ;	
}

/////////////////////////////////////////////////////////////////////////////
// CEx080201View printing

BOOL CEx080201View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CEx080201View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CEx080201View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

void CEx080201View::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/)
{
	// TODO: add customized printing code here
}

/////////////////////////////////////////////////////////////////////////////
// CEx080201View diagnostics

#ifdef _DEBUG
void CEx080201View::AssertValid() const
{
	CFormView::AssertValid();
}

void CEx080201View::Dump(CDumpContext& dc) const
{
	CFormView::Dump(dc);
}

CEx080201Doc* CEx080201View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEx080201Doc)));
	return (CEx080201Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CEx080201View message handlers

void CEx080201View::OnAddUser() 
{
	CEditUserDlg dlg ;
	if(IDOK != dlg.DoModal())
		return ;
	
	UINT uID = CEx080201Doc::s_UserManage.AddUser(dlg.m_strUserName,dlg.m_strPassword,dlg.m_nPopedom,dlg.m_strComment);
	if(-1 != uID )
	{
		int nItem = m_userList.GetItemCount() ;
		nItem = m_userList.InsertItem(nItem,dlg.m_strUserName);
		CString strPopedom ;
		strPopedom.Format("权限为%d",dlg.m_nPopedom);
		m_userList.SetItemText(nItem,1,strPopedom);
		m_userList.SetItemText(nItem,2,dlg.m_strComment);
		m_userList.SetItemData(nItem,uID);
	}
	else
		AfxMessageBox("增加用户失败");
}

void CEx080201View::OnEditUser() 
{
	POSITION pos = m_userList.GetFirstSelectedItemPosition();
	if( NULL != pos )
	{
		int nSel = m_userList.GetNextSelectedItem(pos);
		UINT uID = m_userList.GetItemData(nSel);
		CUser * pUser = CEx080201Doc::s_UserManage.m_userInfos[uID] ;
		CEditUserDlg dlg(pUser);
		if(IDOK != dlg.DoModal())
			return ;
		CUser newUser(*pUser);
		newUser.m_strUserName	= dlg.m_strUserName ;
		newUser.m_strPassWord	= dlg.m_strPassword ;
		newUser.m_uPopedom		= (CUser::USER_TYPE)dlg.m_nPopedom ;
		newUser.m_strComment	= dlg.m_strComment ;
		if( CEx080201Doc::s_UserManage.EditUser(newUser))
		{
			m_userList.SetItemText(nSel,0,newUser.m_strUserName);
			CString strPopedom ;
			strPopedom.Format("权限为%d",dlg.m_nPopedom);
			m_userList.SetItemText(nSel,1,strPopedom);
			m_userList.SetItemText(nSel,2,dlg.m_strComment);
		}
		else
			AfxMessageBox("编辑用户失败");
	}	
}

void CEx080201View::OnDeleteUser() 
{
	POSITION pos = m_userList.GetFirstSelectedItemPosition();
	if( NULL != pos )
	{
		int nSel = m_userList.GetNextSelectedItem(pos);
		UINT uID = m_userList.GetItemData(nSel);
		if(CEx080201Doc::s_UserManage.DeleteUser(uID))
			m_userList.DeleteItem(nSel);
		else
			AfxMessageBox("删除用户失败");			
	}
}


void CEx080201View::EableButtons()
{
	bool bCanEdit = false ;
	POSITION pos = m_userList.GetFirstSelectedItemPosition();
	if( NULL != pos )
	{
		int nSel = m_userList.GetNextSelectedItem(pos);
		UINT uID = m_userList.GetItemData(nSel);
		CUser * pUser = CEx080201Doc::s_UserManage.m_userInfos[uID] ;
		if(CEx080201Doc::s_UserManage.IsHasManagePopedom(pUser))
			bCanEdit = true ;
	}
	GetDlgItem(IDC_EDIT_USER)->EnableWindow(bCanEdit);
	GetDlgItem(IDC_DELETE_USER)->EnableWindow(bCanEdit);
}


void CEx080201View::OnItemchangedUserList(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
	EableButtons() ;
	*pResult = 0;
}