1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.IO;
using System.Diagnostics;
using System.Threading;
using KeePass.Util;
using KeePassLib;
using KeePassLib.Utility;
namespace KeePass.App
{
public enum AppHelpSource
{
Local,
Online
}
/// <summary>
/// Application help provider. Starts an external application that
/// shows help on a specified topic.
/// </summary>
public static class AppHelp
{
private static string m_strLocalHelpFile = null;
/// <summary>
/// Get/set the path of the local help file.
/// </summary>
public static string LocalHelpFile
{
get { return m_strLocalHelpFile; }
set { m_strLocalHelpFile = value; }
}
public static bool LocalHelpAvailable
{
get
{
if(m_strLocalHelpFile == null) return false;
try { return Directory.Exists(@"/usr/share/doc/keepass2/Chm/help/"); }
catch(Exception) { }
return false;
}
}
public static AppHelpSource PreferredHelpSource
{
get
{
return ((Program.Config.Application.HelpUseLocal) ?
AppHelpSource.Local : AppHelpSource.Online);
}
set
{
Program.Config.Application.HelpUseLocal =
(value == AppHelpSource.Local);
}
}
/// <summary>
/// Show a help page.
/// </summary>
/// <param name="strTopic">Topic name. May be <c>null</c>.</param>
/// <param name="strSection">Section name. May be <c>null</c>. Must not start
/// with the '#' character.</param>
public static void ShowHelp(string strTopic, string strSection)
{
AppHelp.ShowHelp(strTopic, strSection, false);
}
/// <summary>
/// Show a help page.
/// </summary>
/// <param name="strTopic">Topic name. May be <c>null</c>.</param>
/// <param name="strSection">Section name. May be <c>null</c>. Must not start
/// with the '#' character.</param>
/// <param name="bPreferLocal">Specify if the local help file should be
/// preferred. If no local help file is available, the online help
/// system will be used, independent of the <c>bPreferLocal</c> flag.</param>
public static void ShowHelp(string strTopic, string strSection, bool bPreferLocal)
{
if(AppHelp.LocalHelpAvailable)
{
if(bPreferLocal || (AppHelp.PreferredHelpSource == AppHelpSource.Local))
AppHelp.ShowHelpLocal(strTopic, strSection);
else
AppHelp.ShowHelpOnline(strTopic, strSection);
}
else AppHelp.ShowHelpOnline(strTopic, strSection);
}
private static void ShowHelpLocal(string strTopic, string strSection)
{
Debug.Assert(m_strLocalHelpFile != null);
string strCmd = @"/usr/share/doc/keepass2/Chm/help/";
if(strTopic != null)
strCmd += strTopic + ".html";
else
strCmd += @"../index.html";
if(strSection != null)
{
Debug.Assert(strTopic != null); // Topic must be present for section
strCmd += @"#" + strSection;
}
try { Process.Start("x-www-browser", strCmd); }
catch(Exception exStart)
{
MessageService.ShowWarning(@"x-www-browser " + strCmd, exStart);
}
}
private static void ShowHelpOnline(string strTopic, string strSection)
{
string strCmd = PwDefs.HelpUrl;
if(strTopic != null) strCmd += strTopic + ".html";
if(strSection != null)
{
Debug.Assert(strTopic != null); // Topic must be present for section
strCmd += @"#" + strSection;
}
try
{
ParameterizedThreadStart pts = new ParameterizedThreadStart(AppHelp.RunCommandAsync);
Thread th = new Thread(pts); // Local, but thread will continue to run anyway
th.Start(strCmd);
}
catch(Exception exThread)
{
MessageService.ShowWarning(strCmd, exThread);
}
}
private static void RunCommandAsync(object pData)
{
Debug.Assert(pData != null);
if(pData == null) throw new ArgumentNullException("pData");
string strCommand = (pData as string);
Debug.Assert(strCommand != null);
if(strCommand == null) throw new ArgumentException();
try { Process.Start(strCommand); }
catch(Exception exStart)
{
MessageService.ShowWarning(strCommand, exStart);
}
}
}
}
|
