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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: helpbest.cpp | |
3 | // Purpose: Tries to load MS HTML Help, falls back to wxHTML upon failure | |
4 | // Author: Mattia Barbon | |
5 | // Modified by: | |
6 | // Created: 02/04/2001 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Mattia Barbon | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #ifdef __BORLANDC__ | |
16 | #pragma hdrstop | |
17 | #endif | |
18 | ||
19 | #ifndef WX_PRECOMP | |
20 | #include "wx/defs.h" | |
21 | #endif | |
22 | ||
23 | #include "wx/filefn.h" | |
24 | #include "wx/log.h" | |
25 | ||
26 | #if wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__) \ | |
27 | && wxUSE_WXHTML_HELP && !defined(__WXUNIVERSAL__) | |
28 | ||
29 | #include "wx/msw/helpchm.h" | |
30 | #include "wx/html/helpctrl.h" | |
31 | #include "wx/msw/helpbest.h" | |
32 | ||
33 | IMPLEMENT_DYNAMIC_CLASS( wxBestHelpController, wxHelpControllerBase ) | |
34 | ||
35 | bool wxBestHelpController::Initialize( const wxString& filename ) | |
36 | { | |
37 | // try wxCHMHelpController | |
38 | wxCHMHelpController* chm = new wxCHMHelpController(m_parentWindow); | |
39 | ||
40 | m_helpControllerType = wxUseChmHelp; | |
41 | // do not warn upon failure | |
42 | wxLogNull dontWarnOnFailure; | |
43 | ||
44 | if( chm->Initialize( GetValidFilename( filename ) ) ) | |
45 | { | |
46 | m_helpController = chm; | |
47 | m_parentWindow = NULL; | |
48 | return true; | |
49 | } | |
50 | ||
51 | // failed | |
52 | delete chm; | |
53 | ||
54 | // try wxHtmlHelpController | |
55 | wxHtmlHelpController* html = new wxHtmlHelpController(wxHF_DEFAULT_STYLE, m_parentWindow); | |
56 | ||
57 | m_helpControllerType = wxUseHtmlHelp; | |
58 | if( html->Initialize( GetValidFilename( filename ) ) ) | |
59 | { | |
60 | m_helpController = html; | |
61 | m_parentWindow = NULL; | |
62 | return true; | |
63 | } | |
64 | ||
65 | // failed | |
66 | delete html; | |
67 | ||
68 | return false; | |
69 | } | |
70 | ||
71 | wxString wxBestHelpController::GetValidFilename( const wxString& filename ) const | |
72 | { | |
73 | wxString tmp = filename; | |
74 | ::wxStripExtension( tmp ); | |
75 | ||
76 | switch( m_helpControllerType ) | |
77 | { | |
78 | case wxUseChmHelp: | |
79 | if( ::wxFileExists( tmp + wxT(".chm") ) ) | |
80 | return tmp + wxT(".chm"); | |
81 | ||
82 | return filename; | |
83 | ||
84 | case wxUseHtmlHelp: | |
85 | if( ::wxFileExists( tmp + wxT(".htb") ) ) | |
86 | return tmp + wxT(".htb"); | |
87 | if( ::wxFileExists( tmp + wxT(".zip") ) ) | |
88 | return tmp + wxT(".zip"); | |
89 | if( ::wxFileExists( tmp + wxT(".hhp") ) ) | |
90 | return tmp + wxT(".hhp"); | |
91 | ||
92 | return filename; | |
93 | ||
94 | default: | |
95 | // we CAN'T get here | |
96 | wxFAIL_MSG( wxT("wxBestHelpController: Must call Initialize, first!") ); | |
97 | } | |
98 | ||
99 | return wxEmptyString; | |
100 | } | |
101 | ||
102 | #endif | |
103 | // wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__) && wxUSE_WXHTML_HELP |