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Diffstat (limited to 'kparts/genericfactory.h')
| -rw-r--r-- | kparts/genericfactory.h | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/kparts/genericfactory.h b/kparts/genericfactory.h deleted file mode 100644 index 7deea1248..000000000 --- a/kparts/genericfactory.h +++ /dev/null @@ -1,203 +0,0 @@ -#ifndef __kparts__genericfactory_h__ -#define __kparts__genericfactory_h__ - -#include <kparts/factory.h> -#include <kparts/part.h> -#include <kgenericfactory.h> -#include <kaboutdata.h> -#include <kdebug.h> - -namespace KParts -{ - - /** - * @internal - */ - template <class T> - class GenericFactoryBase : public KParts::Factory - { - public: - GenericFactoryBase() - { - if ( s_self ) - kdWarning() << "KParts::GenericFactory instantiated more than once!" << endl; - s_self = this; - } - virtual ~GenericFactoryBase() - { - delete s_aboutData; - delete s_instance; - s_aboutData = 0; - s_instance = 0; - s_self = 0; - } - - static TDEInstance *instance(); - static TDEAboutData *aboutData(); - - protected: - virtual TDEInstance *createInstance() - { - return new TDEInstance( aboutData() ); - } - - virtual void virtual_hook( int id, void *data ) - { - if ( id != VIRTUAL_QUERY_INSTANCE_PARAMS ) { - KParts::Factory::virtual_hook( id, data ); - return; - } - - QueryInstanceParams *params = reinterpret_cast<QueryInstanceParams *>( data ); - params->instance = instance(); - } - - private: - static GenericFactoryBase<T> *s_self; - static TDEInstance *s_instance; - static TDEAboutData *s_aboutData; - }; - - /** - * A template for a KParts::Factory implementation. It implements the pure virtual - * createPartObject method by instantiating the template argument when requested - * through the className field. In addition it is a container for a part's TDEInstance - * object, by providing a static TDEInstance *instance() method. - * - * The template argument has to inherit from KParts::Part and has to implement two methods: - * 1) There needs to be a public constructor with the following signature: - * MyPart( TQWidget *parentWidget, const char *widgetName, TQObject *parent, const char *name, const TQStringList& args ) - * - * 2) It needs to provide one static method to create a TDEAboutData object per - * request, holding information about the component's name, its authors, license, etc. - * The signature of that static method has to be - * TDEAboutData *createAboutData() - * - * The template will take care of memory management of the TDEInstance and the TDEAboutData object, - * meaning ownership of what createAboutData returns is passed to the caller (this template) . - * - * For advanced use you can also inherit from the template and re-implement additionally the - * virtual TDEInstance *createInstance() method, for example in case you want to extend the - * paths of your instance's KStandardDirs object. - * - * If a KParts::ReadOnlyPart is requested through this factory and the template argument - * implements a KParts::ReadWritePart then setReadWrite( false ) will automatically be - * called in createPartObject. - * - * Use the factory through the K_EXPORT_COMPONENT_FACTORY macro, like that: - * \code - * typedef KParts::GenericFactory<YourKPart> YourKPartFactory; - * K_EXPORT_COMPONENT_FACTORY( yourlibrary, YourKPartFactory ) - * \endcode - * yourlibrary is the library name that you compiled your KPart into. - */ - template <class T> - class GenericFactory : public GenericFactoryBase<T> - { - public: - GenericFactory() { } - - virtual KParts::Part *createPartObject( TQWidget *parentWidget, const char *widgetName, - TQObject *parent, const char *name, - const char *className, - const TQStringList &args ) - { - T *part = KDEPrivate::ConcreteFactory<T>::create( parentWidget, - widgetName, - parent, - name, - className, - args ); - - if ( part && !qstrcmp( className, "KParts::ReadOnlyPart" ) ) - { - KParts::ReadWritePart *rwp = tqt_dynamic_cast<KParts::ReadWritePart *>( part ); - if ( rwp ) - rwp->setReadWrite( false ); - } - return part; - } - }; - - template <class T1, class T2> - class GenericFactory< KTypeList<T1, T2> > : public GenericFactoryBase<T1> - { - public: - GenericFactory() { } - - virtual KParts::Part *createPartObject( TQWidget *parentWidget, const char *widgetName, - TQObject *parent, const char *name, - const char *className, - const TQStringList &args ) - { - TQObject *object = KDEPrivate::MultiFactory< KTypeList<T1, T2> >::create( parentWidget, - widgetName, - parent, name, - className, - args ); - - // (this cast is guaranteed to work...) - KParts::Part *part = tqt_dynamic_cast<KParts::Part *>( object ); - - if ( part && !qstrcmp( className, "KParts::ReadOnlyPart" ) ) - { - KParts::ReadWritePart *rwp = tqt_dynamic_cast<KParts::ReadWritePart *>( part ); - if ( rwp ) - rwp->setReadWrite( false ); - } - return part; - } - }; - - /** - * @internal - */ - template <class T> - GenericFactoryBase<T> *GenericFactoryBase<T>::s_self = 0; - - /** - * @internal - */ - template <class T> - TDEInstance *GenericFactoryBase<T>::s_instance = 0; - - /** - * @internal - */ - template <class T> - TDEAboutData *GenericFactoryBase<T>::s_aboutData = 0; - - /** - * @internal - */ - template <class T> - TDEInstance *GenericFactoryBase<T>::instance() - { - if ( !s_instance ) - { - if ( s_self ) - s_instance = s_self->createInstance(); - else - s_instance = new TDEInstance( aboutData() ); - } - return s_instance; - } - - /** - * @internal - */ - template <class T> - TDEAboutData *GenericFactoryBase<T>::aboutData() - { - if ( !s_aboutData ) - s_aboutData = T::createAboutData(); - return s_aboutData; - } - -} - -#endif - -/** - * vim: et sw=4 - */ |