summaryrefslogtreecommitdiffstats
path: root/khelpcenter/infotree.cpp
blob: a23cce174ad146b5bc481b1bd719420df8531879 (plain)
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
178
179
180
181
182
183
184
/*
 *  This file is part of the KDE Help Center
 *
 *  Copyright (C) 2002 Frerich Raabe (raabe@kde.org)
 *
 *  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 Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include "infotree.h"

#include "navigatoritem.h"
#include "docentry.h"

#include <kapplication.h>
#include <kconfig.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <klistview.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include <kurl.h>

#include <tqfile.h>
#include <tqtextstream.h>

#include <stdlib.h>  // for getenv()

using namespace KHC;

class InfoCategoryItem : public NavigatorItem
{
  public:
    InfoCategoryItem( NavigatorItem *parent, const TQString &text );
	
    virtual void setOpen( bool open );
};

class InfoNodeItem : public NavigatorItem
{
  public:
    InfoNodeItem( InfoCategoryItem *parent, const TQString &text );
};

InfoCategoryItem::InfoCategoryItem( NavigatorItem *parent, const TQString &text )
  : NavigatorItem( new DocEntry( text ), parent )
{
  setAutoDeleteDocEntry( true );
  setOpen( false );
//  kdDebug(1400) << "Got category: " << text << endl;
}

void InfoCategoryItem::setOpen( bool open )
{
  NavigatorItem::setOpen( open );

  if ( open && childCount() > 0 ) setPixmap( 0, SmallIcon( "contents" ) );
  else setPixmap( 0, SmallIcon( "contents2" ) );
}

InfoNodeItem::InfoNodeItem( InfoCategoryItem *parent, const TQString &text )
  : NavigatorItem( new DocEntry( text ), parent )
{
  setAutoDeleteDocEntry( true );
//  kdDebug( 1400 ) << "Created info node item: " << text << endl;
}

InfoTree::InfoTree( TQObject *parent, const char *name )
  : TreeBuilder( parent, name ),
    m_parentItem( 0 )
{
}

void InfoTree::build( NavigatorItem *parent )
{
  kdDebug( 1400 ) << "Populating info tree." << endl;

  m_parentItem = parent;

  DocEntry *entry = new DocEntry( i18n( "Alphabetically" ) );
  m_alphabItem = new NavigatorItem( entry, parent );
  m_alphabItem->setAutoDeleteDocEntry( true );
  entry = new DocEntry( i18n( "By Category" ) );
  m_categoryItem = new NavigatorItem( entry, parent );
  m_categoryItem->setAutoDeleteDocEntry( true );

  KConfig *cfg = kapp->config();
  cfg->setGroup( "Info pages" );
  TQStringList infoDirFiles = cfg->readListEntry( "Search paths" );
  // Default paths taken fron kdebase/kioslave/info/kde-info2html.conf
  if ( infoDirFiles.isEmpty() ) { 
    infoDirFiles << "/usr/share/info";
    infoDirFiles << "/usr/info";
    infoDirFiles << "/usr/lib/info";
    infoDirFiles << "/usr/local/info";
    infoDirFiles << "/usr/local/lib/info";
    infoDirFiles << "/usr/X11R6/info";
    infoDirFiles << "/usr/X11R6/lib/info";
    infoDirFiles << "/usr/X11R6/lib/xemacs/info";
  }

  TQString infoPath = ::getenv( "INFOPATH" );
  if ( !infoPath.isEmpty() )
    infoDirFiles += TQStringList::split( ':', infoPath );

  TQStringList::ConstIterator it = infoDirFiles.begin();
  TQStringList::ConstIterator end = infoDirFiles.end();
  for ( ; it != end; ++it ) {
    TQString infoDirFileName = *it + "/dir";
    if ( TQFile::exists( infoDirFileName ) )
      parseInfoDirFile( infoDirFileName );
  }

  m_alphabItem->sortChildItems( 0, true /* ascending */ );
}

void InfoTree::parseInfoDirFile( const TQString &infoDirFileName )
{
  kdDebug( 1400 ) << "Parsing info dir file " << infoDirFileName << endl;

  TQFile infoDirFile( infoDirFileName );
  if ( !infoDirFile.open( IO_ReadOnly ) )
    return;

  TQTextStream stream( &infoDirFile );
  // Skip introduction blurb.
  while ( !stream.eof() && !stream.readLine().startsWith( "* Menu:" ) );

  while ( !stream.eof() ) {
    TQString s = stream.readLine();
    if ( s.stripWhiteSpace().isEmpty() )
      continue;

    InfoCategoryItem *catItem = new InfoCategoryItem( m_categoryItem, s );
    while ( !stream.eof() && !s.stripWhiteSpace().isEmpty() ) {
      s = stream.readLine();
      if ( s[ 0 ] == '*' ) {
        const int colon = s.find( ":" );
        const int openBrace = s.find( "(", colon );
        const int closeBrace = s.find( ")", openBrace );
        const int dot = s.find( ".", closeBrace );

        TQString appName = s.mid( 2, colon - 2 );
        TQString url = "info:/" + s.mid( openBrace + 1, closeBrace - openBrace - 1 );
        if ( dot - closeBrace > 1 )
          url += "/" + s.mid( closeBrace + 1, dot - closeBrace - 1 );
        else
          url += "/Top";

        InfoNodeItem *item = new InfoNodeItem( catItem, appName );
        item->entry()->setUrl( url );

        InfoCategoryItem *alphabSection = 0;
        for ( TQListViewItem* it=m_alphabItem->firstChild(); it; it=it->nextSibling() ) {
          if ( it->text( 0 ) == appName[ 0 ].upper() ) {
            alphabSection = static_cast<InfoCategoryItem *>( it );
            break;
          }
        }

        if ( alphabSection == 0 )
          alphabSection = new InfoCategoryItem( m_alphabItem, appName[ 0 ].upper() );

        item = new InfoNodeItem( alphabSection, appName );
        item->entry()->setUrl( url );
      }
    }
  }
  infoDirFile.close();
}

#include "infotree.moc"
// vim:ts=2:sw=2:et