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windows-server-2003/shell/ext/ratings/msrating/filedlg.cpp

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/****************************************************************************\
*
* FILEDLG.CPP - Code to manage the Rating Systems dialog.
*
* gregj 06/27/96 Moved code here from msludlg.cpp and largely rewrote.
*
\****************************************************************************/
/*INCLUDES--------------------------------------------------------------------*/
#include "msrating.h"
#include "ratings.h"
#include "mslubase.h"
#include "commctrl.h"
#include "commdlg.h"
#include "buffer.h"
#include "filedlg.h" // CProviderDialog
// #include "custfile.h" // CCustomFileDialog
#include "debug.h"
#include <shellapi.h>
#include <contxids.h>
#include <mluisupp.h>
typedef BOOL (APIENTRY *PFNGETOPENFILENAME)(LPOPENFILENAME);
DWORD CProviderDialog::aIds[] = {
IDC_STATIC1, IDH_RATINGS_SYSTEM_RATSYS_LIST,
IDC_PROVIDERLIST, IDH_RATINGS_SYSTEM_RATSYS_LIST,
IDC_OPENPROVIDER, IDH_RATINGS_SYSTEM_RATSYS_ADD,
IDC_CLOSEPROVIDER, IDH_RATINGS_SYSTEM_RATSYS_REMOVE,
IDC_STATIC2, IDH_IGNORE,
0,0
};
CProviderDialog::CProviderDialog( PicsRatingSystemInfo * p_pPRSI )
{
m_pPRSI = p_pPRSI;
}
BOOL CProviderDialog::OpenTemplateDlg( CHAR * szFilename,UINT cbFilename )
{
CHAR szFilter[MAXPATHLEN];
CHAR szOpenInfTitle[MAXPATHLEN];
CHAR szInitialDir[MAXPATHLEN];
GetSystemDirectory(szInitialDir, sizeof(szInitialDir));
strcpyf(szFilename,szNULL);
MLLoadStringA(IDS_RAT_OPENFILE, szOpenInfTitle,sizeof(szOpenInfTitle));
// have to load the openfile filter in 2 stages, because the string
// contains a terminating character and MLLoadString won't load the
// whole thing in one go
memset(szFilter,0,sizeof(szFilter));
MLLoadStringA(IDS_RAT_FILTER_DESC,szFilter,sizeof(szFilter) - 10); // save some room for the filespec
MLLoadStringA(IDS_RAT_FILTER,szFilter+strlenf(szFilter)+1,sizeof(szFilter)-
(strlenf(szFilter)+1));
OPENFILENAME ofn;
memset(&ofn,0,sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = m_hWnd;
ofn.hInstance = NULL;
ofn.lpstrFilter = szFilter;
ofn.lpstrFile = szFilename;
ofn.nMaxFile = cbFilename;
ofn.lpstrTitle = szOpenInfTitle;
ofn.lpstrInitialDir = szInitialDir;
ofn.Flags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST
| OFN_SHAREAWARE | OFN_HIDEREADONLY;
BOOL fRet = ::GetOpenFileName( &ofn );
#ifdef NEVER
DWORD dwFlags = OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_NONETWORKBUTTON
| OFN_SHAREAWARE | OFN_HIDEREADONLY;
BOOL fRet = FALSE;
CCustomFileDialog cfd( TRUE, // Local Files Only
TRUE, // Open File
NULL, // Default Extension
NULL, // Initial Filename
dwFlags, // Open File Flags
szFilter, // Filter
m_hWnd ); // Parent
if ( cfd.DoModal( m_hWnd ) == IDOK )
{
fRet = TRUE;
lstrcpy( szFilename, cfd.m_szFileName );
}
#endif
return fRet;
}
void CProviderDialog::SetHorizontalExtent(HWND hwndLB, LPCSTR pszString)
{
HDC hDC = ::GetDC(hwndLB);
HFONT hFont = (HFONT)::SendMessage(hwndLB, WM_GETFONT, 0, 0);
HFONT hfontOld = (HFONT)::SelectObject(hDC, hFont);
UINT cxSlop = ::GetSystemMetrics(SM_CXBORDER) * 4; /* 2 for LB border, 2 for margin inside border */
UINT cxNewMaxExtent = 0;
SIZE s;
if (pszString != NULL) {
::GetTextExtentPoint(hDC, pszString, ::strlenf(pszString), &s);
UINT cxCurExtent = (UINT)::SendMessage(hwndLB, LB_GETHORIZONTALEXTENT, 0, 0);
if ((UINT)s.cx > cxCurExtent)
cxNewMaxExtent = s.cx + cxSlop;
}
else {
UINT cItems = (UINT)::SendMessage(hwndLB, LB_GETCOUNT, 0, 0);
for (UINT i=0; i<cItems; i++) {
char szItem[MAXPATHLEN]; /* we know we have pathnames in the list */
::SendMessage(hwndLB, LB_GETTEXT, i, (LPARAM)(LPSTR)szItem);
::GetTextExtentPoint(hDC, szItem, ::strlenf(szItem), &s);
if ((UINT)s.cx > cxNewMaxExtent)
cxNewMaxExtent = s.cx;
}
cxNewMaxExtent += cxSlop;
}
if (cxNewMaxExtent > 0)
::SendMessage(hwndLB, LB_SETHORIZONTALEXTENT, (WPARAM)cxNewMaxExtent, 0);
::SelectObject(hDC, hfontOld);
::ReleaseDC(hwndLB, hDC);
}
void CProviderDialog::AddProviderToList(UINT idx, LPCSTR pszFilename)
{
UINT_PTR iItem = SendDlgItemMessage(IDC_PROVIDERLIST, LB_ADDSTRING, 0,
(LPARAM)pszFilename);
if (iItem != LB_ERR)
{
SendDlgItemMessage(IDC_PROVIDERLIST, LB_SETITEMDATA, iItem, (LPARAM)idx);
}
}
BOOL CProviderDialog::InitProviderDlg( void )
{
ASSERT( m_pPRSI );
if ( ! m_pPRSI )
{
TraceMsg( TF_ERROR, "CProviderDialog::InitProviderDlg() - m_pPRSI is NULL!" );
return FALSE;
}
for (UINT i = 0; i < (UINT)m_pPRSI->arrpPRS.Length(); ++i)
{
PicsRatingSystem *pPRS = m_pPRSI->arrpPRS[i];
ProviderData pd;
pd.pPRS = pPRS;
pd.pprsNew = NULL;
pd.nAction = PROVIDER_KEEP;
if (!m_aPD.Append(pd))
return FALSE;
if(pPRS->etstrName.Get())
{
// add provider using name
AddProviderToList(i, pPRS->etstrName.Get());
}
else if(pPRS->etstrFile.Get())
{
// no name - possibly missing file, use filespec instead
AddProviderToList(i, pPRS->etstrFile.Get());
}
}
SetHorizontalExtent(GetDlgItem(IDC_PROVIDERLIST), NULL);
::EnableWindow(GetDlgItem(IDC_CLOSEPROVIDER), FALSE);
::EnableWindow(GetDlgItem(IDC_OPENPROVIDER), TRUE);
if (SendDlgItemMessage(IDC_PROVIDERLIST, LB_SETCURSEL, 0, 0) != LB_ERR)
{
::EnableWindow(GetDlgItem(IDC_CLOSEPROVIDER), TRUE);
}
return TRUE;
}
void CProviderDialog::EndProviderDlg(BOOL fRet)
{
ASSERT( m_pPRSI );
if ( ! m_pPRSI )
{
TraceMsg( TF_ERROR, "CProviderDialog::EndProviderDlg() - m_pPRSI is NULL!" );
return;
}
/* Go through our auxiliary array and delete any provider structures which
* we added in this dialog. Note that if the user previously hit OK, the
* providers which were added will be marked as KEEP when they're put back
* in the main data structure, so we won't delete them here.
*/
UINT cProviders = m_aPD.Length();
for (UINT i=0; i<cProviders; i++)
{
if (m_aPD[i].nAction == PROVIDER_ADD)
{
delete m_aPD[i].pPRS;
m_aPD[i].pPRS = NULL;
}
if (m_aPD[i].pprsNew != NULL)
{
delete m_aPD[i].pprsNew;
m_aPD[i].pprsNew = NULL;
}
}
EndDialog(fRet);
}
void CProviderDialog::CommitProviderDlg( void )
{
ASSERT( m_pPRSI );
if ( ! m_pPRSI )
{
TraceMsg( TF_ERROR, "CProviderDialog::CommitProviderDlg() - m_pPRSI is NULL!" );
return;
}
/* We check twice to see if there are any rating systems installed.
* Up front, we see if there's anything in the list, before we commit
* any changes; this lets the user change their mind, cancel the dialog,
* and not lose any settings.
*
* The second check is down at the end, seeing if there are any valid
* rating systems left after we're done committing changes. Note that
* the results of that check could be different than this first one if
* any rating systems fail to load for some reason.
*
* If we prompt the user the first time and he says he really doesn't
* want any rating systems (i.e., wants to disable ratings completely),
* we don't bother prompting the second time since he's already said no.
* Hence the fPrompted flag.
*/
BOOL fPrompted = FALSE;
if (SendDlgItemMessage(IDC_PROVIDERLIST, LB_GETCOUNT, 0, 0) == 0) {
MyMessageBox(m_hWnd, IDS_NO_PROVIDERS, IDS_GENERIC, MB_OK);
return;
}
/* Go through the list and add the new ones.
* Note that this does NOT destruct the pPRS objects themselves, it just
* empties the array. We have saved copies of all of them in our auxiliary
* array.
*/
m_pPRSI->arrpPRS.ClearAll();
UINT cItems = m_aPD.Length();
for (UINT i=0; i<cItems; i++) {
switch (m_aPD[i].nAction) {
case PROVIDER_DEL:
DeleteUserSettings(m_aPD[i].pPRS);
delete m_aPD[i].pPRS;
m_aPD[i].pPRS = NULL;
delete m_aPD[i].pprsNew;
m_aPD[i].pprsNew = NULL;
break;
case PROVIDER_KEEP:
if (m_aPD[i].pprsNew != NULL) {
CheckUserSettings(m_aPD[i].pprsNew);
m_pPRSI->arrpPRS.Append(m_aPD[i].pprsNew);
delete m_aPD[i].pPRS;
m_aPD[i].pPRS = NULL;
m_aPD[i].pprsNew = NULL; /* protect from cleanup code */
}
else if (!(m_aPD[i].pPRS->dwFlags & PRS_ISVALID)) {
delete m_aPD[i].pPRS;
m_aPD[i].pPRS = NULL;
}
else {
CheckUserSettings(m_aPD[i].pPRS);
m_pPRSI->arrpPRS.Append(m_aPD[i].pPRS);
}
break;
case PROVIDER_ADD:
if (m_aPD[i].pPRS != NULL) {
CheckUserSettings(m_aPD[i].pPRS);
m_pPRSI->arrpPRS.Append(m_aPD[i].pPRS);
m_aPD[i].nAction = PROVIDER_KEEP; /* keep this one now */
}
break;
default:
ASSERT(FALSE);
}
}
if (m_pPRSI->arrpPRS.Length() == 0) {
if (!fPrompted &&
MyMessageBox(m_hWnd, IDS_NO_PROVIDERS, IDS_GENERIC, MB_YESNO) == IDYES)
{
return;
}
m_pPRSI->fRatingInstalled = FALSE;
}
else {
m_pPRSI->fRatingInstalled = TRUE;
}
EndProviderDlg(TRUE);
}
void CProviderDialog::RemoveProvider( void )
{
ASSERT( m_pPRSI );
if ( ! m_pPRSI )
{
TraceMsg( TF_ERROR, "CProviderDialog::AddProvider() - m_pPRSI is NULL!" );
return;
}
UINT_PTR i = SendDlgItemMessage( IDC_PROVIDERLIST, LB_GETCURSEL,0,0);
if (i != LB_ERR)
{
UINT idx = (UINT)SendDlgItemMessage( IDC_PROVIDERLIST,
LB_GETITEMDATA, i, 0);
if (idx < (UINT)m_aPD.Length()) {
/* If the user added the provider in this dialog session, just
* delete it from the array. The null pPRS pointer will be
* detected later, so it's OK to leave the array element itself.
* (Yes, if the user adds and removes an item over and over, we
* consume 12 bytes of memory each time. Oh well.)
*
* If the item was there before the user launched the dialog,
* then just mark it for deletion on OK.
*/
if (m_aPD[idx].nAction == PROVIDER_ADD) {
delete m_aPD[idx].pPRS;
m_aPD[idx].pPRS = NULL;
}
else
m_aPD[idx].nAction = PROVIDER_DEL;
}
SendDlgItemMessage(IDC_PROVIDERLIST, LB_DELETESTRING, i, 0);
::EnableWindow(GetDlgItem(IDC_CLOSEPROVIDER), FALSE);
SendDlgItemMessage(IDC_PROVIDERLIST, LB_SETCURSEL,0,0);
::SetFocus(GetDlgItem(IDOK));
SetHorizontalExtent(GetDlgItem(IDC_PROVIDERLIST), NULL);
}
}
/* Returns zero if the two PicsRatingSystems have the same RAT-filename,
* non-zero otherwise. Handles the '*' marker on the end for failed
* loads. It is assumed that only pprsOld may have that marker.
*/
int CProviderDialog::CompareProviderNames(PicsRatingSystem *pprsOld, PicsRatingSystem *pprsNew)
{
if (!pprsOld->etstrFile.fIsInit())
return 1;
UINT cbNewName = ::strlenf(pprsNew->etstrFile.Get());
LPSTR pszOld = pprsOld->etstrFile.Get();
int nCmp = ::strnicmpf(pprsNew->etstrFile.Get(), pszOld, cbNewName);
if (nCmp != 0)
return nCmp;
pszOld += cbNewName;
if (*pszOld == '\0' || (*pszOld == '*' && *(pszOld+1) == '\0'))
return 0;
return 1;
}
void CProviderDialog::AddProvider( PSTR szAddFileName )
{
BOOL fAdd=FALSE;
char szFileName[MAXPATHLEN+1];
ASSERT( m_pPRSI );
if ( ! m_pPRSI )
{
TraceMsg( TF_ERROR, "CProviderDialog::AddProvider() - m_pPRSI is NULL!" );
return;
}
if (szAddFileName!=NULL)
{
lstrcpy(szFileName,szAddFileName);
fAdd=TRUE;
}
else
{
fAdd=OpenTemplateDlg(szFileName, sizeof(szFileName));
}
if (fAdd==TRUE)
{
PicsRatingSystem *pPRS;
HRESULT hres = LoadRatingSystem(szFileName, &pPRS);
if (FAILED(hres)) {
if (pPRS != NULL) {
pPRS->ReportError(hres);
delete pPRS;
pPRS = NULL;
}
}
else {
/* Check to see if this guy is already in the list. If he is,
* the user might have said to delete him; in that case, put
* him back. Otherwise, the system is already installed, so
* tell the user he doesn't have to install it again.
*/
for (UINT i=0; i<(UINT)m_aPD.Length(); i++) {
ProviderData *ppd = &m_aPD[i];
if (ppd->pPRS==NULL) {
//This system was added and then removed during
//this dialog session. It will be detected later,
//so just skip it and keep appending entries.
continue;
}
if (!CompareProviderNames(ppd->pPRS, pPRS)) {
if (!(ppd->pPRS->dwFlags & PRS_ISVALID) &&
(ppd->pprsNew == NULL))
ppd->pprsNew = pPRS;
else
{
delete pPRS; /* don't need copy */
pPRS = NULL;
}
if (ppd->nAction == PROVIDER_DEL) {
ppd->nAction = PROVIDER_KEEP;
AddProviderToList(i, ppd->pPRS->etstrName.Get());
}
else {
MyMessageBox(m_hWnd, IDS_ALREADY_INSTALLED, IDS_GENERIC, MB_OK);
}
return;
}
}
/* This guy isn't already in the list. Add him to the listbox
* and to the array.
*/
ProviderData pd;
pd.nAction = PROVIDER_ADD;
pd.pPRS = pPRS;
pd.pprsNew = NULL;
if (!m_aPD.Append(pd)) {
MyMessageBox(m_hWnd, IDS_LOADRAT_MEMORY, IDS_GENERIC, MB_OK | MB_ICONWARNING);
delete pPRS;
pPRS = NULL;
return;
}
AddProviderToList(m_aPD.Length() - 1, pPRS->etstrName.Get());
::SetFocus(GetDlgItem(IDOK));
SetHorizontalExtent(GetDlgItem(IDC_PROVIDERLIST), szFileName);
}
}
}
LRESULT CProviderDialog::OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
ASSERT( m_pPRSI );
if ( ! m_pPRSI )
{
TraceMsg( TF_ERROR, "CProviderDialog::OnInitDialog() - m_pPRSI is NULL!" );
return 0L;
}
if ( ! InitProviderDlg() )
{
MyMessageBox(m_hWnd, IDS_LOADRAT_MEMORY, IDS_GENERIC, MB_OK | MB_ICONSTOP);
EndProviderDlg(FALSE);
}
if ( m_pPRSI->lpszFileName != NULL )
{
AddProvider( m_pPRSI->lpszFileName );
}
bHandled = FALSE;
return 1L; // Let the system set the focus
}
LRESULT CProviderDialog::OnSelChange(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
if (SendDlgItemMessage(IDC_PROVIDERLIST, LB_GETCURSEL, 0,0) >= 0)
{
::EnableWindow(GetDlgItem(IDC_CLOSEPROVIDER), TRUE);
bHandled = TRUE;
}
return 0L;
}
LRESULT CProviderDialog::OnOK(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
CommitProviderDlg();
return 0L;
}
LRESULT CProviderDialog::OnCancel(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
EndProviderDlg(FALSE);
return 0L;
}
LRESULT CProviderDialog::OnCloseProvider(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
RemoveProvider();
return 0L;
}
LRESULT CProviderDialog::OnOpenProvider(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
{
AddProvider();
return 0L;
}
LRESULT CProviderDialog::OnHelp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
SHWinHelpOnDemandWrap((HWND)((LPHELPINFO)lParam)->hItemHandle, ::szHelpFile,
HELP_WM_HELP, (DWORD_PTR)(LPSTR)aIds);
return 0L;
}
LRESULT CProviderDialog::OnContextMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
SHWinHelpOnDemandWrap((HWND)wParam, ::szHelpFile, HELP_CONTEXTMENU,
(DWORD_PTR)(LPVOID)aIds);
return 0L;
}
INT_PTR DoProviderDialog(HWND hDlg, PicsRatingSystemInfo *pPRSI)
{
CProviderDialog provDialog( pPRSI );
return provDialog.DoModal( hDlg );
}