VIEW.CPP

//******************************************************************************************* 
// 
// Filename : View.cpp 
// 
//Implementation file for CCabView 
// 
// Copyright 1994 - 1998 Microsoft Corporation. All rights reserved 
// 
//******************************************************************************************* 
 
 
#include "pch.h" 
 
#include "thisdll.h" 
 
#include "resource.h" 
 
#include "folder.h" 
#include "view.h" 
#include "os.h" 
 
#include "unknown.h" 
 
class CCabView : public CUnknown, public IShellFolderViewCallback 
{ 
public: 
CCabView() {} 
virtual ~CCabView(); 
 
// *** IUnknown methods *** 
STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj); 
STDMETHODIMP_(ULONG) AddRef(); 
STDMETHODIMP_(ULONG) Release(); 
 
// *** IShellFolderViewCallback methods *** 
STDMETHODIMP Message(UINT uMsg, WPARAM wParam, LPARAM lParam); 
 
private: 
HRESULT GetDetailsOf(UINT iColumn, SFVCB_GETDETAILSOF_DATA* lpDetails); 
} ; 
 
 
CCabView::~CCabView() 
{ 
} 
 
 
STDMETHODIMP CCabView::QueryInterface(REFIID riid, LPVOID * ppvObj) 
{ 
static const IID *apiid[] = { &IID_IShellFolderViewCallback, NULL }; 
LPUNKNOWN aobj[] = { (IShellFolderViewCallback *)this }; 
 
return(QIHelper(riid, ppvObj, apiid, aobj)); 
} 
 
 
STDMETHODIMP_(ULONG) CCabView::AddRef() 
{ 
return(AddRefHelper()); 
} 
 
 
STDMETHODIMP_(ULONG) CCabView::Release() 
{ 
return(ReleaseHelper()); 
} 
 
 
STDMETHODIMP CCabView::Message(UINT uMsg, WPARAM wParam, LPARAM lParam) 
{ 
switch (uMsg) 
{ 
HANDLE_SFVCB_MSG(SFVCB_GETDETAILSOF, GetDetailsOf); 
 
default: 
return(E_NOTIMPL); 
} 
 
return(S_OK); 
} 
 
 
struct _CVCOLINFO 
{ 
UINT iColumn; 
UINT iTitle; 
UINT cchCol; 
UINT iFmt; 
} s_aCVColInfo[] = { 
    {CV_COL_NAME,     IDS_CV_COL_NAME,     20, LVCFMT_LEFT}, 
    {CV_COL_SIZE,     IDS_CV_COL_SIZE,     10, LVCFMT_RIGHT}, 
    {CV_COL_TYPE,     IDS_CV_COL_TYPE,     20, LVCFMT_LEFT}, 
    {CV_COL_MODIFIED, IDS_CV_COL_MODIFIED, 20, LVCFMT_LEFT}, 
}; 
 
HRESULT CCabView::GetDetailsOf(UINT iColumn, SFVCB_GETDETAILSOF_DATA* lpDetails) 
{ 
LPCITEMIDLIST pidl = lpDetails->pidl; 
LPCABITEM pit = (LPCABITEM)pidl; 
 
if (iColumn >= CV_COL_MAX) 
{ 
return(E_NOTIMPL); 
} 
 
lpDetails->str.uType = STRRET_CSTR; 
lpDetails->str.cStr[0] = '\0'; 
 
if (!pit) 
{ 
LoadString(g_ThisDll.GetInstance(), s_aCVColInfo[iColumn].iTitle, 
lpDetails->str.cStr, sizeof(lpDetails->str.cStr)); 
lpDetails->fmt = s_aCVColInfo[iColumn].iFmt; 
lpDetails->cChar = s_aCVColInfo[iColumn].cchCol; 
lpDetails->lParamSort = iColumn; 
return S_OK; 
} 
 
switch (iColumn) 
{ 
case CV_COL_NAME: 
CCabFolder::GetNameOf(pit, &lpDetails->str); 
break; 
 
case CV_COL_SIZE: 
{ 
    char szOrder[10]; 
 
    LoadString(g_ThisDll.GetInstance(), IDS_ORDERKB, szOrder, sizeof(szOrder)); 
    wsprintf(lpDetails->str.cStr, szOrder, (pit->dwFileSize + 1023) / 1024); 
break; 
} 
 
case CV_COL_TYPE: 
CCabFolder::GetTypeOf(pit, &lpDetails->str); 
break; 
 
case CV_COL_MODIFIED: 
CFileTime::DateTimeToString(pit->uFileDate, pit->uFileTime, 
lpDetails->str.cStr); 
break; 
} 
 
return(S_OK); 
} 
 
 
HRESULT CabView_CreateCallback(IShellFolderViewCallback **ppcb) 
{ 
*ppcb = NULL; 
 
CCabView *pcb = new CCabView; 
 
if (!pcb) 
{ 
return(E_OUTOFMEMORY); 
} 
 
//  #pragma message("Make 1 the initial refcount in CUnknown") 
pcb->AddRef(); 
 
*ppcb = (IShellFolderViewCallback *)pcb; 
return(NOERROR); 
}