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factory.cpp
1 /* This file is part of the KDE project
2  Copyright (C) 1999 Simon Hausmann <hausmann@kde.org>
3  (C) 1999 David Faure <faure@kde.org>
4 
5  This library is free software; you can redistribute it and/or
6  modify it under the terms of the GNU Library General Public
7  License as published by the Free Software Foundation; either
8  version 2 of the License, or (at your option) any later version.
9 
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Library General Public License for more details.
14 
15  You should have received a copy of the GNU Library General Public License
16  along with this library; see the file COPYING.LIB. If not, write to
17  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  Boston, MA 02110-1301, USA.
19 */
20 
21 #include "factory.h"
22 #include "part.h"
23 
24 #include <tqwidget.h>
25 
26 #include <klocale.h>
27 #include <kglobal.h>
28 #include <kinstance.h>
29 #include <assert.h>
30 
31 using namespace KParts;
32 
33 Factory::Factory( TQObject *parent, const char *name )
34 : KLibFactory( parent, name )
35 {
36 }
37 
38 Factory::~Factory()
39 {
40 }
41 
42 Part *Factory::createPart( TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name, const char *classname, const TQStringList &args )
43 {
44  Part* part = createPartObject( parentWidget, widgetName, parent, name, classname, args );
45  if ( part )
46  emit objectCreated( part );
47  return part;
48 }
49 
50 const KInstance *Factory::partInstance()
51 {
52  QueryInstanceParams params;
53  params.instance = 0;
54  virtual_hook( VIRTUAL_QUERY_INSTANCE_PARAMS, &params );
55  return params.instance;
56 }
57 
58 const KInstance *Factory::partInstanceFromLibrary( const TQCString &libraryName )
59 {
60  KLibrary *library = KLibLoader::self()->library( libraryName );
61  if ( !library )
62  return 0;
63  KLibFactory *factory = library->factory();
64  if ( !factory )
65  return 0;
66  KParts::Factory *pfactory = tqt_dynamic_cast<KParts::Factory *>( factory );
67  if ( !pfactory )
68  return 0;
69  return pfactory->partInstance();
70 }
71 
72 Part *Factory::createPartObject( TQWidget *, const char *, TQObject *, const char *, const char *, const TQStringList & )
73 {
74  return 0;
75 }
76 
77 TQObject *Factory::createObject( TQObject *parent, const char *name, const char *classname, const TQStringList &args )
78 {
79  assert( !parent || parent->isWidgetType() );
80  return createPart( TQT_TQWIDGET( parent ), name, parent, name, classname, args );
81 }
82 #include "factory.moc"
KLibFactory
KParts::Factory::createObject
virtual TQObject * createObject(TQObject *parent=0, const char *name=0, const char *classname=TQOBJECT_OBJECT_NAME_STRING, const TQStringList &args=TQStringList())
Reimplemented from KLibFactory.
Definition: factory.cpp:77
KParts::Factory::partInstance
const KInstance * partInstance()
If you have a part contained in a shared library you might want to query for meta-information like th...
Definition: factory.cpp:50
KParts::Part
Base class for parts.
Definition: part.h:181
klocale.h
KParts::Factory::createPartObject
virtual Part * createPartObject(TQWidget *parentWidget=0, const char *widgetName=0, TQObject *parent=0, const char *name=0, const char *classname="KParts::Part", const TQStringList &args=TQStringList())=0
Reimplement this method in your implementation to create the Part.
Definition: factory.cpp:72
KLibrary
KInstance
KLibrary::factory
KLibFactory * factory()
KParts::Factory
A generic factory object to create a Part.
Definition: factory.h:40
KLibLoader::library
virtual KLibrary * library(const char *libname)
KLibLoader::self
static KLibLoader * self()
KParts::Factory::createPart
Part * createPart(TQWidget *parentWidget=0, const char *widgetName=0, TQObject *parent=0, const char *name=0, const char *classname="KParts::Part", const TQStringList &args=TQStringList())
Creates a part.
Definition: factory.cpp:42
KParts::Factory::partInstanceFromLibrary
static const KInstance * partInstanceFromLibrary(const TQCString &libraryName)
A convenience method for partInstance() that takes care of retrieving the factory for a given library...
Definition: factory.cpp:58

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