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Adjusted filelist.txt and wxUniv.dsp to use generic
[wxWidgets.git] / src / msw / helpbest.cpp
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 #ifdef __GNUG__
13 #pragma implementation "helpbest.h"
14 #endif
15
16 // For compilers that support precompilation, includes "wx.h".
17 #include "wx/wxprec.h"
18
19 #ifdef __BORLANDC__
20 #pragma hdrstop
21 #endif
22
23 #ifndef WX_PRECOMP
24 #include "wx/defs.h"
25 #endif
26
27 #include "wx/filefn.h"
28 #include "wx/log.h"
29
30 #if wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__) && wxUSE_WXHTML_HELP
31 #include "wx/msw/helpchm.h"
32 #include "wx/html/helpctrl.h"
33 #include "wx/msw/helpbest.h"
34
35 IMPLEMENT_DYNAMIC_CLASS( wxBestHelpController, wxHelpControllerBase )
36
37 bool wxBestHelpController::Initialize( const wxString& filename )
38 {
39 // try wxCHMHelpController
40 wxCHMHelpController* chm = new wxCHMHelpController;
41
42 m_helpControllerType = wxUseChmHelp;
43 // do not warn upon failure
44 wxLogNull dontWarnOnFailure;
45
46 if( chm->Initialize( GetValidFilename( filename ) ) )
47 {
48 m_helpController = chm;
49 return TRUE;
50 }
51
52 // failed
53 delete chm;
54
55 // try wxHtmlHelpController
56 wxHtmlHelpController* html = new wxHtmlHelpController;
57
58 m_helpControllerType = wxUseHtmlHelp;
59 if( html->Initialize( GetValidFilename( filename ) ) )
60 {
61 m_helpController = html;
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 + ".chm" ) )
80 return tmp + ".chm";
81
82 return filename;
83
84 case wxUseHtmlHelp:
85 if( ::wxFileExists( tmp + ".htb" ) )
86 return tmp + ".htb";
87 if( ::wxFileExists( tmp + ".zip" ) )
88 return tmp + ".zip";
89 if( ::wxFileExists( tmp + ".hhp" ) )
90 return tmp + ".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