view.cpp

c++系统开发实例精粹内附的80例源代码 环境:windows2000,c++6.0

// $$root$$View.cpp : implementation of the C$$Safe_root$$View class
//

#include "stdafx.h"
#include "$$root$$.h"

#include "$$root$$Doc.h"
#include "$$root$$View.h"
#include "SHFileInfo.h"
#include "resource.h"

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

/////////////////////////////////////////////////////////////////////////////
// C$$Safe_root$$View

IMPLEMENT_DYNCREATE(C$$Safe_root$$View, CListView)

BEGIN_MESSAGE_MAP(C$$Safe_root$$View, CListView)
	ON_WM_CONTEXTMENU()
	//{{AFX_MSG_MAP(C$$Safe_root$$View)
	ON_WM_CREATE()
	ON_COMMAND(ID_BACK, OnBlank)
	ON_COMMAND(ID_FORWARD, OnBlank)
	ON_COMMAND(ID_UP, OnBlank)
	ON_COMMAND(ID_CUT, OnBlank)
	ON_COMMAND(ID_COPY, OnBlank)
	ON_COMMAND(ID_PASTE, OnBlank)
	ON_COMMAND(ID_UNDO, OnBlank)
	ON_COMMAND(ID_DELETE, OnBlank)
	ON_COMMAND(ID_PROPERTIES, OnBlank)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CListView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CListView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CListView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// C$$Safe_root$$View construction/destruction

C$$Safe_root$$View::C$$Safe_root$$View()
{
	// TODO: add construction code here

}

C$$Safe_root$$View::~C$$Safe_root$$View()
{
	m_SmallIcons.Detach();
	m_LargeIcons.Detach();
}

BOOL C$$Safe_root$$View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
	cs.style |= LVS_EDITLABELS | LVS_REPORT;
	return CListView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// C$$Safe_root$$View drawing

void C$$Safe_root$$View::OnDraw(CDC* pDC)
{
	C$$Safe_root$$Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

void C$$Safe_root$$View::OnInitialUpdate()
{
	CListView::OnInitialUpdate();

	// TODO: You may populate your ListView with items by directly accessing
	//  its list control through a call to GetListCtrl().
	int nCols = 4;
	int nColSize[] = { 150, 80, 125, 150 };
	CString strColText[] = { 	_T("Name"), _T("Size"), _T("Type"), _T("Modified") };

	m_pListCtrl = &GetListCtrl();

	// Get the log font.
	NONCLIENTMETRICS ncm;
	ncm.cbSize = sizeof(NONCLIENTMETRICS);
	VERIFY(::SystemParametersInfo(SPI_GETNONCLIENTMETRICS,
		sizeof(NONCLIENTMETRICS), &ncm, 0));
	m_Font.CreateFontIndirect(&ncm.lfMessageFont);
    SetFont(&m_Font);

	BuildColumns(nCols, nColSize, strColText);
}

void C$$Safe_root$$View::BuildColumns(int nCols, int * nWidth, CString * csCol)
{
	//insert columns
	int i;
	LV_COLUMN lvc;

	lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
	CString	strTemp;
	for(i = 0; i < nCols; i++)
	{
		lvc.iSubItem = i;
		lvc.pszText = (char*)(LPCTSTR)csCol[i];
		lvc.cx = nWidth[i];
		lvc.fmt = LVCFMT_LEFT;
		m_pListCtrl->InsertColumn(i,&lvc);
	}
}

void C$$Safe_root$$View::FormatList(CString csPath)
{
	int nDir = 0;

	m_strCurDirectory = csPath;

	if (csPath.GetAt(csPath.GetLength()-1) == '\\')
		csPath += "*.*";
	else
		csPath += "\\*.*";

	// Clear the list control.
	m_pListCtrl->DeleteAllItems();

	// Instanciate a CFileFind object.
	CFileFind FoundFiles;

	// Do the first check, pass in full path + filter.
	BOOL bContinue = FoundFiles.FindFile(csPath);

	while (bContinue == TRUE)
	{
		// Call FindNextFile so we can use the class member to get
		// the results of the FindFile call above (you _MUST_ call
		// FindNextFile before the CFileFind class members return 
		// valid info
		bContinue = FoundFiles.FindNextFile();
		CSHFileInfo file(&FoundFiles);

		// Get the icon and list index.
		int nIcon = file.GetIconIndex();
		int nIndx = m_pListCtrl->GetItemCount();

		if (FoundFiles.IsDirectory())
		{
			if (FoundFiles.IsDots())
					continue;

			nIndx = nDir;
			nDir++;
		}

		// Add the found item to the list control.
		m_pListCtrl->InsertItem(nIndx, file.GetDisplayName(), nIcon);
		
		if (!FoundFiles.IsDirectory()) {
			// If not a directory, insert size in bytes.
			m_pListCtrl->SetItem(nIndx, 1, LVIF_TEXT | LVIF_STATE, file.GetFileSize(),
				0, INDEXTOSTATEIMAGEMASK(1), LVIS_STATEIMAGEMASK, NULL);
		}

		// Insert the document title.
		m_pListCtrl->SetItem(nIndx, 2, LVIF_TEXT | LVIF_STATE, file.GetDescription(),
			0, INDEXTOSTATEIMAGEMASK(1), LVIS_STATEIMAGEMASK, NULL);

		// Insert the last time modified.
		m_pListCtrl->SetItem(nIndx, 3, LVIF_TEXT | LVIF_STATE, file.GetLastWriteTime(),
			0, INDEXTOSTATEIMAGEMASK(1), LVIS_STATEIMAGEMASK, NULL);
	}

	// Must call close to make sure system resources are freed
	FoundFiles.Close();
}

/////////////////////////////////////////////////////////////////////////////
// C$$Safe_root$$View printing

BOOL C$$Safe_root$$View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

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

void C$$Safe_root$$View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// C$$Safe_root$$View diagnostics

#ifdef _DEBUG
void C$$Safe_root$$View::AssertValid() const
{
	CListView::AssertValid();
}

void C$$Safe_root$$View::Dump(CDumpContext& dc) const
{
	CListView::Dump(dc);
}

C$$Safe_root$$Doc* C$$Safe_root$$View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(C$$Safe_root$$Doc)));
	return (C$$Safe_root$$Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// C$$Safe_root$$View message handlers


int C$$Safe_root$$View::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CListView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	CSHFileInfo sfi;
	sfi.GetSystemImageList(&m_SmallIcons, &m_LargeIcons);
	GetListCtrl().SetImageList(&m_SmallIcons, LVSIL_SMALL);
	GetListCtrl().SetImageList(&m_LargeIcons, LVSIL_NORMAL);
	
	return 0;
}


void C$$Safe_root$$View::OnContextMenu(CWnd*, CPoint point)
{
	if (point.x == -1 && point.y == -1){
		//keystroke invocation
		CRect rect;
		GetClientRect(rect);
		ClientToScreen(rect);
		
		point = rect.TopLeft();
		point.Offset(5, 5);
	}
	
	CMenu menu;
	VERIFY(menu.LoadMenu(IDR_POPDOWN));
	
	CMenu* pPopup = menu.GetSubMenu(1);
	ASSERT(pPopup != NULL);
	CWnd* pWndPopupOwner = this;
	
	while (pWndPopupOwner->GetStyle() & WS_CHILD)
		pWndPopupOwner = pWndPopupOwner->GetParent();
	
	pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y,
		pWndPopupOwner);
}

void C$$Safe_root$$View::OnBlank() 
{
	// TODO: Add your command handler code here
	
}