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- // RDCView.cpp : implementation of the CRDCView class
- //
- // This is a part of the Microsoft Foundation Classes C++ library.
- // Copyright (C) 1992-1998 Microsoft Corporation
- // All rights reserved.
- //
- // This source code is only intended as a supplement to the
- // Microsoft Foundation Classes Reference and related
- // electronic documentation provided with the library.
- // See these sources for detailed information regarding the
- // Microsoft Foundation Classes product.
-
- #include "stdafx.h"
- #include "MDIBind.h"
- #include "rdc.h"
- #include "MDIDoc.h"
- #include "RDCView.h"
- #include "GridFrm.h"
- #include "MaskFrm.h"
- #include "mainfrm.h"
-
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
-
- /////////////////////////////////////////////////////////////////////////////
- // CRDCView
-
- IMPLEMENT_DYNCREATE(CRDCView, CView)
-
- BEGIN_MESSAGE_MAP(CRDCView, CView)
- //{{AFX_MSG_MAP(CRDCView)
- ON_WM_CREATE()
- ON_WM_SIZE()
- ON_WM_DESTROY()
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
-
- /////////////////////////////////////////////////////////////////////////////
- // CRDCView construction/destruction
-
- CRDCView::CRDCView()
- {
- m_pRDCCtl = new CRdc;
-
- }
-
- CRDCView::~CRDCView()
- {
- delete m_pRDCCtl;
- }
-
- BOOL CRDCView::PreCreateWindow(CREATESTRUCT& cs)
- {
- // TODO: Modify the Window class or styles here by modifying
- // the CREATESTRUCT cs
-
- return CView::PreCreateWindow(cs);
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CRDCView drawing
-
- void CRDCView::OnDraw(CDC* pDC)
- {
- CMDIBindDoc* pDoc = GetDocument();
- ASSERT_VALID(pDoc);
-
- // TODO: add draw code for native data here
- }
-
- /////////////////////////////////////////////////////////////////////////////
- // CRDCView diagnostics
-
- #ifdef _DEBUG
- void CRDCView::AssertValid() const
- {
- CView::AssertValid();
- }
-
- void CRDCView::Dump(CDumpContext& dc) const
- {
- CView::Dump(dc);
- }
-
- CMDIBindDoc* CRDCView::GetDocument() // non-debug version is inline
- {
- ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMDIBindDoc)));
- return (CMDIBindDoc*) m_pDocument;
- }
- #endif //_DEBUG
-
- /////////////////////////////////////////////////////////////////////////////
- // CRDCView message handlers
-
- int CRDCView::OnCreate(LPCREATESTRUCT lpCreateStruct)
- {
- if (CView::OnCreate(lpCreateStruct) == -1)
- return -1;
- CMDIBindDoc* pDoc=GetDocument();
- if(pDoc->m_pRDC!=NULL)
- return -1; // the RDC already created
-
- RECT r= { 2,2,400,300 };
-
- m_pRDCCtl->Create(NULL,_T("NorthWind"),
- WS_VISIBLE | WS_CHILD, r, this, 1);
-
- m_pRDCCtl->SetDataSourceName(_T("NorthWind"));
- m_pRDCCtl->SetSql(_T("SELECT FirstName, LastName, BirthDate, HireDate from Employees"));
- m_pRDCCtl->SetUserName(_T("admin"));
- m_pRDCCtl->SetPassword(_T(""));
- m_pRDCCtl->SetCursorDriver(2); //server side cursor
- pDoc->m_pRDC=m_pRDCCtl; // add newly created RDC
-
- return 0;
- }
-
- void CRDCView::OnSize(UINT nType, int cx, int cy)
- {
- CView::OnSize(nType, cx, cy);
-
- if (::IsWindow(m_pRDCCtl->m_hWnd) )
- m_pRDCCtl->MoveWindow(2,2,cx-4,cy-4,FALSE); // do not repaint
-
- }
-
- // sets the value of the RDC control
- void CRDCView::Bind(CString &DSN,CString &Sql,CString &User,CString &Pw)
- {
- m_pRDCCtl->SetDataSourceName(DSN);
- m_pRDCCtl->SetSql(Sql);
- m_pRDCCtl->SetUserName(User);
- m_pRDCCtl->SetPassword(Pw);
- m_pRDCCtl->SetCaption(DSN);
- // TODO here some bound controls might want to update
- m_pRDCCtl->Refresh(); // must refresh all bound controls
- }
-
-
- void CRDCView::OnDestroy()
- { // must unbind all bound controls before destroying the object
- CMDIBindDoc* pDoc;
- // how to get all documents
- CMainFrame* pMainFrame = (CMainFrame*) AfxGetApp()->m_pMainWnd;
- ASSERT(pMainFrame->IsKindOf(RUNTIME_CLASS(CMainFrame)));
- // let's do it other way: iterate through all MDI windows
- CMDIChildWnd* pMDIChild = pMainFrame->MDIGetActive();
- if(pMDIChild != NULL)
- pMDIChild = (CMDIChildWnd*) pMDIChild->GetWindow(GW_HWNDLAST);
- while (pMDIChild != NULL)
- {
- if(pMDIChild->IsKindOf(RUNTIME_CLASS(CGridFrame)) ||
- pMDIChild->IsKindOf(RUNTIME_CLASS(CMaskFrame)))
- { // data bound control windows
- CView* pView = pMDIChild->GetActiveView();
- pDoc=(CMDIBindDoc*) pView->GetDocument();
- if(pDoc->m_pRDC==m_pRDCCtl)
- { // unbind this and all other controls
- pDoc->m_pRDC=NULL;
- // TODO if you want to change the title to reflect
- // unbound state, do it here
- pDoc->UpdateAllViews(NULL);
- }
- }
- pMDIChild = (CMDIChildWnd*) pMDIChild->GetWindow(GW_HWNDPREV);
- } //while
-
- CView::OnDestroy();
- }
-