multiviewreportview.cpp

一个很好用的报表控件

// MultiViewReportView.cpp : implementation of the CMultiViewReportView class
//

#include "stdafx.h"
#include "MultiViewReport.h"

#include "MultiViewReportDoc.h"
#include "MultiViewReportView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMultiViewReportView

IMPLEMENT_DYNCREATE(CMultiViewReportView, CView)

BEGIN_MESSAGE_MAP(CMultiViewReportView, CView)
	//{{AFX_MSG_MAP(CMultiViewReportView)
	ON_WM_SIZE()
	ON_COMMAND(ID_FILE_PRINT, OnFilePrint)
	ON_COMMAND(ID_EXPORT, OnExport)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMultiViewReportView construction/destruction

CMultiViewReportView::CMultiViewReportView():iReport(NULL)
{
	// TODO: add construction code here
}

CMultiViewReportView::~CMultiViewReportView()
{
	if(iReport != 0)
        iReport->Release();
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMultiViewReportView drawing

void CMultiViewReportView::OnDraw(CDC* pDC)
{
	CMultiViewReportDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CMultiViewReportView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMultiViewReportView diagnostics

#ifdef _DEBUG
void CMultiViewReportView::AssertValid() const
{
	CView::AssertValid();
}

void CMultiViewReportView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CMultiViewReportView message handlers

void CMultiViewReportView::OnInitialUpdate() 
{
	CView::OnInitialUpdate();	
	// TODO: Add your specialized code here and/or call the base class
	// 建立viewer, 将报表对象附加到该viewer上.
    CRect rect;
    GetClientRect(rect);
    Viewer.Create(NULL, WS_VISIBLE, rect, this, IDC_VIEWER);
	
    //使 export有效.
    Viewer.SetEnableExportButton(TRUE);

    CMultiViewReportDoc * doc = (CMultiViewReportDoc *)GetDocument();
    IReport * iReport = doc->GetAutoReport();
    ASSERT(iReport != NULL);

    //连接该报表到viewer.
    Viewer.SetReportSource(iReport);
    Viewer.ViewReport();
}

void CMultiViewReportView::OnSize(UINT nType, int cx, int cy) 
{
	CView::OnSize(nType, cx, cy);	
	// TODO: Add your message handler code here	
    if(Viewer.GetSafeHwnd() != 0)
    {
        CRect rect;
        GetClientRect(rect);
	    Viewer.MoveWindow(rect.top, rect.left, rect.right - rect.left, rect.bottom - rect.top, TRUE);
    }	
}

void CMultiViewReportView::OnFilePrint() 
{
	// TODO: Add your command handler code here
	CMultiViewReportDoc * Doc = (CMultiViewReportDoc *)GetDocument();
    IReport * iReport = Doc->GetAutoReport();
	ASSERT(iReport != 0);
    VARIANT prompt, copy, collated, startPage, stopPage;
    prompt.vt = VT_BOOL;
    prompt.boolVal = VARIANT_TRUE;
    copy.vt = VT_I4;
    copy.lVal = 1;
    collated.vt = VT_BOOL;
    collated.boolVal = VARIANT_FALSE;
    startPage.vt = VT_I4;
    startPage.lVal = 1;
    stopPage.vt = VT_I4;
    stopPage.lVal = (unsigned long)0xffffffffL;
    HRESULT hr = iReport->PrintOut(prompt, copy, collated, startPage, stopPage);
    if(hr != NOERROR)
        CMultiViewReportApp::ProcHandleError(hr);	
}

BEGIN_EVENTSINK_MAP(CMultiViewReportView, CView)
    ON_EVENT(CMultiViewReportView, IDC_VIEWER, 425, ExportButtonClicked, VTS_PBOOL)
    ON_EVENT(CMultiViewReportView, IDC_VIEWER, 409, PrintButtonClicked, VTS_PBOOL)
END_EVENTSINK_MAP()

void CMultiViewReportView::ExportButtonClicked(BOOL FAR* UseDefault) 
{
	AfxMessageBox("export按钮单击事件");
}

void CMultiViewReportView::PrintButtonClicked(BOOL FAR* UseDefault) 
{
	AfxMessageBox("print按钮单击事件");
}

void CMultiViewReportView::OnExport() 
{
	// TODO: Add your command handler code here
	CMultiViewReportDoc * doc = (CMultiViewReportDoc *)GetDocument();
    IReport * iReport = doc->GetAutoReport();
	ASSERT(iReport != 0);
    VARIANT prompt;
    prompt.vt = VT_BOOL;
    prompt.boolVal = VARIANT_TRUE;
    
    HRESULT hr = iReport->Export(prompt);
    if(hr != NOERROR)
        CMultiViewReportApp::ProcHandleError(hr);	
}