summaryrefslogtreecommitdiffstats
path: root/lib/kofficecore/KoQueryTrader.cpp
blob: 662c275e38d8875ed87b69d1eb21a294799c62aa (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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/* This file is part of the KDE project
   Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include <tdeparts/factory.h>

#include <KoQueryTrader.h>
#include <KoDocument.h>
#include <KoFilter.h>
#include <ktrader.h>
#include <kservicetype.h>
#include <kdebug.h>

#include <tqfile.h>

#include <limits.h> // UINT_MAX

/**
 * Port from KOffice Trader to TDETrader/KActivator (kded) by Simon Hausmann
 * (c) 1999 Simon Hausmann <hausmann@kde.org>
 * Port to KService and simplifications by David Faure <faure@kde.org>
 */


/*******************************************************************
 *
 * KoDocumentEntry
 *
 *******************************************************************/

KoDocumentEntry::KoDocumentEntry( KService::Ptr service )
  : m_service( service )
{
}

KoDocument* KoDocumentEntry::createDoc( KoDocument* parent, const char* name ) const
{
    KLibFactory* factory = KLibLoader::self()->factory( TQFile::encodeName(m_service->library()) );

    if( !factory ) {
        kdWarning(30003) << KLibLoader::self()->lastErrorMessage() << endl;
        return 0;
    }

    TQObject* obj;
    if ( factory->inherits( "KParts::Factory" ) )
      obj = static_cast<KParts::Factory *>(factory)->createPart( 0L, "", parent, name, "KoDocument" );
    else {
      kdWarning(30003) << "factory doesn't inherit KParts::Factory ! It is a " << factory->className() << endl; // This shouldn't happen...
      obj = factory->create( parent, name, "KoDocument" );
    }

    if ( !obj || !obj->inherits( "KoDocument" ) )
    {
        delete obj;
        return 0;
    }

    return static_cast<KoDocument*>(obj);
}

KoDocumentEntry KoDocumentEntry::queryByMimeType( const TQString & mimetype )
{
  TQString constr = TQString::fromLatin1( "[X-TDE-NativeMimeType] == '%1' or '%2' in [X-TDE-ExtraNativeMimeTypes]" ).arg( mimetype ).arg( mimetype );

  TQValueList<KoDocumentEntry> vec = query( false,constr );
  if ( vec.isEmpty() )
  {
    kdWarning(30003) << "Got no results with " << constr << endl;
    // Fallback to the old way (which was probably wrong, but better be safe)
    TQString constr = TQString::fromLatin1( "'%1' in ServiceTypes" ).arg( mimetype );
    vec = query( constr );
    if ( vec.isEmpty() )
    {
      // Still no match. Either the mimetype itself is unknown, or we have no service for it.
      // Help the user debugging stuff by providing some more diagnostics
      if ( KServiceType::serviceType( mimetype ) == 0L )
      {
        kdError(30003) << "Unknown KOffice MimeType " << mimetype << "." << endl;
        kdError(30003) << "Check your installation (for instance, run 'tde-config --path mime' and check the result)." << endl;
      } else
      {
        kdError(30003) << "Found no KOffice part able to handle " << mimetype << "!" << endl;
        kdError(30003) << "Check your installation (does the desktop file have X-TDE-NativeMimeType and KOfficePart, did you install KOffice in a different prefix than TDE, without adding the prefix to /etc/tderc ?)" << endl;
      }
      return KoDocumentEntry();
    }
  }

  return vec[0];
}

TQValueList<KoDocumentEntry> KoDocumentEntry::query( const TQString & _constr )
{
  return query(true,_constr);
}

TQValueList<KoDocumentEntry> KoDocumentEntry::query( bool _onlyDocEmb, const TQString & _constr )
{

  TQValueList<KoDocumentEntry> lst;
  TQString constr;
  if ( !_constr.isEmpty() ) {
      constr = "(";
      constr += _constr;
      constr += ") and ";
  }
  constr += " exist Library";

  // Query the trader
  TDETrader::OfferList offers = TDETrader::self()->query( "KOfficePart", constr );

  TDETrader::OfferList::ConstIterator it = offers.begin();
  unsigned int max = offers.count();
  for( unsigned int i = 0; i < max; i++, ++it )
  {
    //kdDebug(30003) << "   desktopEntryPath=" << (*it)->desktopEntryPath()
    //               << "   library=" << (*it)->library() << endl;

    if ( (*it)->noDisplay() )
        continue;
    // Maybe this could be done as a trader constraint too.
    if ( (!_onlyDocEmb) || ((*it)->property("X-TDE-NOTKoDocumentEmbeddable").toString()!="1") )
    {
      KoDocumentEntry d( *it );
      // Append converted offer
      lst.append( d );
      // Next service
    }
  }

  if ( lst.count() > 1 && !_constr.isEmpty() )
    kdWarning(30003) << "KoDocumentEntry::query " << constr << " got " << max << " offers!" << endl;

  return lst;
}




/*******************************************************************
 *
 * KoFilterEntry
 *
 *******************************************************************/

KoFilterEntry::KoFilterEntry( KService::Ptr service )
  : m_service( service )
{
  import = service->property( "X-TDE-Import" ).toStringList();
  export_ = service->property( "X-TDE-Export" ).toStringList();
  int w = service->property( "X-TDE-Weight" ).toInt();
  weight = w < 0 ? UINT_MAX : static_cast<unsigned int>( w );
  available = service->property( "X-TDE-Available" ).toString();
}

TQValueList<KoFilterEntry::Ptr> KoFilterEntry::query( const TQString & _constr )
{
  kdDebug(30500) << "KoFilterEntry::query( " << _constr << " )" << endl;
  TQValueList<KoFilterEntry::Ptr> lst;

  TDETrader::OfferList offers = TDETrader::self()->query( "KOfficeFilter", _constr );

  TDETrader::OfferList::ConstIterator it = offers.begin();
  unsigned int max = offers.count();
  //kdDebug(30500) << "Query returned " << max << " offers" << endl;
  for( unsigned int i = 0; i < max; i++ )
  {
    //kdDebug(30500) << "   desktopEntryPath=" << (*it)->desktopEntryPath()
    //               << "   library=" << (*it)->library() << endl;
    // Append converted offer
    lst.append( new KoFilterEntry( *it ) );
    // Next service
    it++;
  }

  return lst;
}

KoFilter* KoFilterEntry::createFilter( KoFilterChain* chain, TQObject* parent, const char* name )
{
    KLibFactory* factory = KLibLoader::self()->factory( TQFile::encodeName( m_service->library() ) );

    if ( !factory ) {
        kdWarning(30003) << KLibLoader::self()->lastErrorMessage() << endl;
        return 0;
    }

    TQObject* obj = factory->create( parent, name, "KoFilter" );
    if ( !obj || !obj->inherits( "KoFilter" ) )
    {
        delete obj;
        return 0;
    }

    KoFilter* filter = static_cast<KoFilter*>( obj );
    filter->m_chain = chain;
    return filter;
}