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OPENSAVE.CPP
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1997-05-06
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//----------------------------------------------------------------------------
// ObjectWindows
// Copyright (c) 1992, 1997 by Borland International, All Rights Reserved
//
//$Revision: 10.11 $
//
// Implementation of OpenSave abstract, FileOpen, FileSave Common Dialog
// classes
//----------------------------------------------------------------------------
#pragma hdrignore SECTION
#include <owl/pch.h>
#if !defined(OWL_OPENSAVE_H)
# include <owl/opensave.h>
#endif
OWL_DIAGINFO;
#if !defined(SECTION) || SECTION == 1
//
//
//
TOpenSaveDialog::TData::TData(uint32 flags,
char* filter,
char* customFilter,
char* initialDir,
char* defExt,
int maxPath,
int filterIndex)
:
Flags(flags), Error(0), FileName(0), Filter(0),
CustomFilter(customFilter), FilterIndex(filterIndex),
InitialDir(initialDir), DefExt(defExt),
MaxPath(maxPath ? maxPath : _MAX_PATH)
{
FileName = new char[MaxPath];
*FileName = 0;
SetFilter(filter);
#if defined(BI_PLAT_WIN32)
Flags |= OFN_LONGNAMES;
//
// We currently cannot mix OFN_ENABLEHOOK & OFN_EXPLORER
// when running under NT 3.51[no new shell]
//
if (TSystem::Has3dUI())
Flags |= OFN_EXPLORER;
#endif
}
//
//
//
TOpenSaveDialog::TData::TData(const TData& src)
:
Flags(src.Flags), Error(0), FileName(0), Filter(0),
CustomFilter(src.CustomFilter), FilterIndex(src.FilterIndex),
InitialDir(src.InitialDir), DefExt(src.DefExt),
MaxPath(src.MaxPath)
{
FileName = strnewdup(src.FileName, MaxPath);
SetFilter(src.Filter);
}
//
//
//
TOpenSaveDialog::TData::~TData()
{
delete[] FileName;
delete[] Filter;
}
//
//
//
TOpenSaveDialog::TData&
TOpenSaveDialog::TData::operator =(const TData& src)
{
Flags = src.Flags;
Error = 0;
CustomFilter = src.CustomFilter;
FilterIndex = src.FilterIndex;
InitialDir = src.InitialDir;
DefExt = src.DefExt;
MaxPath = src.MaxPath;
delete[] FileName;
FileName = strnewdup(src.FileName, MaxPath);
SetFilter(src.Filter);
return *this;
}
//
// Set the file list box filter strings. Translates '|'s into 0s so that the
// string can be kept as a resource with imbeded '|'s like:
// "Text Files(*.txt)|*.TXT|All Files(*.*)|*.*|"
// Can also handle already processed filter strings.
//
void
TOpenSaveDialog::TData::SetFilter(const char far* filter)
{
// Copy filter string
//
if (filter) {
delete[] Filter;
if (strchr(filter, '|')) {
uint len = strlen(filter) + 2; // one for each terminating 0
Filter = strcpy(new char[len], filter);
Filter[len-1] = 0; // in case trailing '|' is missing
}
else {
const char far* p = filter;
while (*p)
p += strlen(p) + 1; // scan for 00 at end
uint len = uint(p - filter) + 1; // one more for last 0
Filter = new char[len];
memcpy(Filter, filter, len);
}
}
// Stomp |s with 0s
//
if (Filter) {
for (TCharIterator<char> i(Filter); ; i++) {
if (!*i.Current())
break;
if (*i.Current() == '|')
*i.Current() = 0;
}
}
}
//----------------------------------------------------------------------------
DEFINE_RESPONSE_TABLE1(TOpenSaveDialog, TCommonDialog)
END_RESPONSE_TABLE;
uint TOpenSaveDialog::ShareViMsgId = 0;
//
//
//
void
TOpenSaveDialog::Init(TResId templateId)
{
if (!ShareViMsgId)
ShareViMsgId = ::RegisterWindowMessage(SHAREVISTRING);
memset(&ofn, 0, sizeof(OPENFILENAME));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = Parent ? Parent->GetHandle() : 0;
ofn.hInstance = *GetModule();
ofn.Flags = OFN_ENABLEHOOK | Data.Flags;
if (templateId) {
ofn.lpTemplateName = templateId;
ofn.Flags |= OFN_ENABLETEMPLATE;
}
else
ofn.Flags &= ~OFN_ENABLETEMPLATE;
ofn.lpfnHook = 0;
ofn.lpstrFilter = Data.Filter;
ofn.nFilterIndex = Data.FilterIndex;
ofn.lpstrFile = Data.FileName;
ofn.nMaxFile = Data.MaxPath;
ofn.lpstrInitialDir = Data.InitialDir;
ofn.lpstrDefExt = Data.DefExt;
}
//
//
//
TOpenSaveDialog::TOpenSaveDialog(TWindow* parent, TData& data, TModule* module)
:
TCommonDialog(parent, 0, module),
Data(data)
{
}
//
//
//
TOpenSaveDialog::TOpenSaveDialog(TWindow* parent,
TData& data,
TResId templateId,
const char far* title,
TModule* module)
:
TCommonDialog(parent, 0, module),
Data(data)
{
Init(templateId);
ofn.lpstrTitle = title;
}
//
//
//
bool
TOpenSaveDialog::DialogFunction(uint msg, TParam1 param1, TParam2 param2)
{
if (TCommonDialog::DialogFunction(msg, param1, param2))
return true;
if (msg == TOpenSaveDialog::ShareViMsgId)
return (bool)ShareViolation();
return false;
}
//
//
//
int
TOpenSaveDialog::ShareViolation()
{
return OFN_SHAREWARN;
}
//----------------------------------------------------------------------------
//
//
//
TFileOpenDialog::TFileOpenDialog(TWindow* parent,
TData& data,
TResId templateId,
const char far* title,
TModule* module)
:
TOpenSaveDialog(parent, data, templateId, title, module)
{
}
//
//
//
int
TFileOpenDialog::DoExecute()
{
ofn.lpfnHook = LPOFNHOOKPROC(StdDlgProc);
int ret = ::GetOpenFileName(&ofn);
if (ret) {
Data.Flags = ofn.Flags;
Data.FilterIndex = (int)ofn.nFilterIndex;
Data.Error = 0;
}
else {
Data.Error = ::CommDlgExtendedError();
}
return ret ? IDOK : IDCANCEL;
}
//----------------------------------------------------------------------------
//
//
//
TFileSaveDialog::TFileSaveDialog(TWindow* parent,
TData& data,
TResId templateId,
const char far* title,
TModule* module)
:
TOpenSaveDialog(parent, data, templateId, title, module)
{
}
//
//
//
int
TFileSaveDialog::DoExecute()
{
ofn.lpfnHook = LPOFNHOOKPROC(StdDlgProc);
int ret = ::GetSaveFileName(&ofn);
if (ret) {
Data.Flags = ofn.Flags;
Data.FilterIndex = ofn.nFilterIndex;
Data.Error = 0;
}
else {
Data.Error = ::CommDlgExtendedError();
}
return ret ? IDOK : IDCANCEL;
}
#endif
#if !defined(SECTION) || SECTION == 2
//
//
//
void
TOpenSaveDialog::TData::Read(ipstream& is)
{
is >> Flags;
FileName = is.readString();
Filter = is.freadString();
CustomFilter = is.freadString();
is >> FilterIndex;
InitialDir = is.freadString();
DefExt = is.freadString();
}
//
//
//
void
TOpenSaveDialog::TData::Write(opstream& os)
{
os << Flags;
os.writeString(FileName);
os.fwriteString(Filter);
os.fwriteString(CustomFilter);
os << FilterIndex;
os.fwriteString(InitialDir);
os.fwriteString(DefExt);
}
#endif