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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-01-26 13:17:21 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2013-01-26 13:17:21 -0600
commitdfe289850f068f19ba4a83ab4e7e22a7e09c13c9 (patch)
treec297348a55df66c571de4525646e0b9762427353 /kparts/componentfactory.h
parentb7658a0d5eca24a9d37c6e04f88298ef02389db0 (diff)
downloadtdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.tar.gz
tdelibs-dfe289850f068f19ba4a83ab4e7e22a7e09c13c9.zip
Rename a number of libraries and executables to avoid conflicts with KDE4
Diffstat (limited to 'kparts/componentfactory.h')
-rw-r--r--kparts/componentfactory.h401
1 files changed, 0 insertions, 401 deletions
diff --git a/kparts/componentfactory.h b/kparts/componentfactory.h
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-#ifndef __kparts_componentfactory_h__
-#define __kparts_componentfactory_h__
-
-#include <kparts/factory.h>
-#include <kparts/part.h>
-#include <ktrader.h>
-#include <tqmetaobject.h>
-
-namespace KParts
-{
-
- // this is a namespace and not a class because stupid egcs 1.1.2 doesn't grok
- // static template methods in classes. !@%@#$!
- /**
- * Namespace for KParts components
- */
- namespace ComponentFactory
- {
- /**
- * This enum type defines the possible error cases that can happen
- * when loading a component.
- *
- * <ul>
- * <li><code>ErrNoServiceFound</code> - no service implementing the
- * given mimetype and fullfilling the given constraint expression
- * can be found.</li>
- * <li><code>ErrServiceProvidesNoLibrary</code> - the specified service
- * provides no shared library</li>
- * <li><code>ErrNoLibrary</code> - the specified library could not be
- * loaded. Use KLibLoader::lastErrorMessage for details.</li>
- * <li><code>ErrNoFactory</code> - the library does not export a factory
- * for creating components</li>
- * <li><code>ErrNoComponent</code> - the factory does not support creating
- * components of the specified type</li>
- * </ul>
- */
- enum ComponentLoadingError { ErrNoServiceFound = 1,
- ErrServiceProvidesNoLibrary,
- ErrNoLibrary,
- ErrNoFactory,
- ErrNoComponent };
-
- /**
- * This template function allows to ask the given factory to create an
- * instance of the given template type.
- *
- * Example of usage:
- * \code
- * MyPlugin *plugin = KParts::ComponentFactory::createInstanceFromFactory<MyPlugin>( factory, parent );
- * \endcode
- *
- * @param factory The factory to ask for the creation of the component
- * @param parent The parent object (see TQObject constructor)
- * @param name The name of the object to create (see TQObject constructor)
- * @param args A list of string arguments, passed to the factory and possibly
- * to the component (see KLibFactory)
- * @return A pointer to the newly created object or a null pointer if the
- * factory was unable to create an object of the given type.
- */
- template <class T>
- static T *createInstanceFromFactory( KLibFactory *factory, TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList() )
- {
- TQObject *object = factory->create( parent, name,
- T::staticMetaObject()->className(),
- args );
-
- T *result = tqt_dynamic_cast<T *>( object );
- if ( !result )
- delete object;
- return result;
- }
-
- /**
- * This template function allows to ask the given kparts factory to create an
- * instance of the given template type.
- *
- * Example of usage:
- * \code
- * KViewPart *doc = KParts::ComponentFactory::createPartInstanceFromFactory<KViewPart>( factory, parent );
- * \endcode
- *
- * @param factory The factory to ask for the creation of the component
- * @param parentWidget the parent widget for the part
- * @param widgetName the name of the part's widget
- * @param parent The parent object (see TQObject constructor)
- * @param name The name of the object to create (see TQObject constructor)
- * @param args A list of string arguments, passed to the factory and possibly
- * to the component (see KLibFactory)
- * @return A pointer to the newly created object or a null pointer if the
- * factory was unable to create an object of the given type.
- */
- template <class T>
- static T *createPartInstanceFromFactory( KParts::Factory *factory,
- TQWidget *parentWidget = 0,
- const char *widgetName = 0,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList() )
- {
- KParts::Part *object = factory->createPart( parentWidget, widgetName,
- parent, name,
- T::staticMetaObject()->className(),
- args );
-
- T *result = tqt_dynamic_cast<T *>( object );
- if ( !result )
- delete object;
- return result;
- }
-
- /**
- * This template allows to load the specified library and ask the
- * factory to create an instance of the given template type.
- *
- * @param libraryName The library to open
- * @param parent The parent object (see TQObject constructor)
- * @param name The name of the object to create (see TQObject constructor)
- * @param args A list of string arguments, passed to the factory and possibly
- * to the component (see KLibFactory)
- * @param error
- * @return A pointer to the newly created object or a null pointer if the
- * factory was unable to create an object of the given type.
- */
- template <class T>
- static T *createInstanceFromLibrary( const char *libraryName, TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- KLibrary *library = KLibLoader::self()->library( libraryName );
- if ( !library )
- {
- if ( error )
- *error = ErrNoLibrary;
- return 0;
- }
- KLibFactory *factory = library->factory();
- if ( !factory )
- {
- library->unload();
- if ( error )
- *error = ErrNoFactory;
- return 0;
- }
- T *res = createInstanceFromFactory<T>( factory, parent, name, args );
- if ( !res )
- {
- library->unload();
- if ( error )
- *error = ErrNoComponent;
- }
- return res;
- }
-
- template <class T>
- static T *createPartInstanceFromLibrary( const char *libraryName,
- TQWidget *parentWidget = 0,
- const char *widgetName = 0,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- KLibrary *library = KLibLoader::self()->library( libraryName );
- if ( !library )
- {
- if ( error )
- *error = ErrNoLibrary;
- return 0;
- }
- KLibFactory *factory = library->factory();
- if ( !factory )
- {
- library->unload();
- if ( error )
- *error = ErrNoFactory;
- return 0;
- }
- KParts::Factory *partFactory = tqt_dynamic_cast<KParts::Factory *>( factory );
- if ( !partFactory )
- {
- library->unload();
- if ( error )
- *error = ErrNoFactory;
- return 0;
- }
- T *res = createPartInstanceFromFactory<T>( partFactory, parentWidget,
- widgetName, parent, name, args );
- if ( !res )
- {
- library->unload();
- if ( error )
- *error = ErrNoComponent;
- }
- return res;
- }
-
- template <class T>
- static T *createInstanceFromService( const KService::Ptr &service,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- TQString library = service->library();
- if ( library.isEmpty() )
- {
- if ( error )
- *error = ErrServiceProvidesNoLibrary;
- return 0;
- }
-
- return createInstanceFromLibrary<T>( library.local8Bit().data(), parent,
- name, args, error );
- }
-
- template <class T>
- static T *createPartInstanceFromService( const KService::Ptr &service,
- TQWidget *parentWidget = 0,
- const char *widgetName = 0,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- TQString library = service->library();
- if ( library.isEmpty() )
- {
- if ( error )
- *error = ErrServiceProvidesNoLibrary;
- return 0;
- }
-
- return createPartInstanceFromLibrary<T>( library.local8Bit().data(), parentWidget,
- widgetName, parent, name, args, error );
- }
-
- template <class T, class ServiceIterator>
- static T *createInstanceFromServices( ServiceIterator begin, ServiceIterator end,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- for (; begin != end; ++begin )
- {
- KService::Ptr service = *begin;
-
- if ( error )
- *error = 0;
-
- T *component = createInstanceFromService<T>( service, parent, name,
- args, error );
- if ( component )
- return component;
- }
-
- if ( error )
- *error = ErrNoServiceFound;
-
- return 0;
-
- }
-
- template <class T, class ServiceIterator>
- static T *createPartInstanceFromServices( ServiceIterator begin,
- ServiceIterator end,
- TQWidget *parentWidget = 0,
- const char *widgetName = 0,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- for (; begin != end; ++begin )
- {
- KService::Ptr service = *begin;
-
- if ( error )
- *error = 0;
-
- T *component = createPartInstanceFromService<T>( service, parentWidget,
- widgetName, parent,
- name, args, error );
- if ( component )
- return component;
- }
-
- if ( error )
- *error = ErrNoServiceFound;
-
- return 0;
-
- }
-
- /**
- * This method creates and returns a plugin, from the trader query for a given serviceType.
- *
- * Example:
- * \code
- * KMyAppPlugin* plugin = KParts::ComponentFactory::createInstanceFromQuery<KMyAppPlugin>( serviceType, TQString::null, parentObject );
- * if ( plugin ) {
- * ....
- * }
- * \endcode
- *
- * @param serviceType the type of service for which to find a plugin
- * @param constraint an optional constraint to pass to the trader (see TDEIO::KTrader)
- * @param parent the parent object for the part itself
- * @param name the name that will be given to the part
- * @param args A list of string arguments, passed to the factory and possibly
- * to the component (see KLibFactory)
- * @param error The int passed here will receive an error code in case of errors.
- * (See enum #ComponentLoadingError)
- * @return A pointer to the newly created object or a null pointer if the
- * factory was unable to create an object of the given type.
- */
- template <class T>
- static T *createInstanceFromQuery( const TQString &serviceType,
- const TQString &constraint = TQString::null,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- KTrader::OfferList offers = KTrader::self()->query( serviceType, constraint );
- if ( offers.isEmpty() )
- {
- if ( error )
- *error = ErrNoServiceFound;
- return 0;
- }
-
- return createInstanceFromServices<T>( offers.begin(),
- offers.end(),
- parent, name, args, error );
- }
-
- /**
- * This method creates and returns a KParts part from a serviceType (e.g. a mimetype).
- *
- * You can use this method to create a generic viewer - that can display any
- * kind of file, provided that there is a ReadOnlyPart installed for it - in 5 lines:
- * \code
- * // Given the following: KURL url, TQWidget* parentWidget and TQObject* parentObject.
- * TQString mimetype = KMimeType::findByURL( url )->name();
- * KParts::ReadOnlyPart* part = KParts::ComponentFactory::createPartInstanceFromQuery<KParts::ReadOnlyPart>( mimetype, TQString::null, parentWidget, 0, parentObject, 0 );
- * if ( part ) {
- * part->openURL( url );
- * part->widget()->show(); // also insert the widget into a layout, or simply use a TQVBox as parentWidget
- * }
- * \endcode
- *
- * @param serviceType the type of service for which to find a part, e.g. a mimetype
- * @param constraint an optional constraint to pass to the trader (see KTrader)
- * @param parentWidget the parent widget, will be set as the parent of the part's widget
- * @param widgetName the name that will be given to the part's widget
- * @param parent the parent object for the part itself
- * @param name the name that will be given to the part
- * @param args A list of string arguments, passed to the factory and possibly
- * to the component (see KLibFactory)
- * @param error The int passed here will receive an error code in case of errors.
- * (See enum #ComponentLoadingError)
- * @return A pointer to the newly created object or a null pointer if the
- * factory was unable to create an object of the given type.
- */
- template <class T>
- static T *createPartInstanceFromQuery( const TQString &serviceType,
- const TQString &constraint,
- TQWidget *parentWidget = 0,
- const char *widgetName = 0,
- TQObject *parent = 0,
- const char *name = 0,
- const TQStringList &args = TQStringList(),
- int *error = 0 )
- {
- KTrader::OfferList offers = KTrader::self()->query( serviceType, TQString::fromLatin1("KParts/ReadOnlyPart"), constraint, TQString::null );
- if ( offers.isEmpty() )
- {
- if ( error )
- *error = ErrNoServiceFound;
- return 0;
- }
-
- return createPartInstanceFromServices<T>( offers.begin(), offers.end(),
- parentWidget, widgetName,
- parent, name, args, error );
- }
-
- }
-
-}
-
-/*
- * vim: et sw=4
- */
-
-#endif
-