| -rw-r--r-- | microkde/kresources/manager.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/microkde/kresources/manager.h b/microkde/kresources/manager.h index 0e6f838..69062da 100644 --- a/microkde/kresources/manager.h +++ b/microkde/kresources/manager.h @@ -1,340 +1,338 @@ /* This file is part of libkresources. Copyright (c) 2002 Tobias Koenig <tokoe@kde.org> Copyright (c) 2002 Jan-Pascal van Best <janpascal@vanbest.org> Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org> Copyright (c) 2004 Ulf Schenk 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Enhanced Version of the file for platform independent KDE tools. Copyright (c) 2004 Ulf Schenk $Id$ */ #ifndef KRESOURCES_MANAGER_H #define KRESOURCES_MANAGER_H #include <qdict.h> #include <qstringlist.h> #include "factory.h" #include "managerimpl.h" namespace KRES { class Resource; template<class T> class ManagerListener { public: virtual void resourceAdded( T *resource ) = 0; virtual void resourceModified( T *resource ) = 0; virtual void resourceDeleted( T *resource ) = 0; }; // TODO: // The resource manager should provide some signals // to warn applications that resources have been added, // removed or modified. // // The manager should also keep track of which (or at least // how many) applications hve opened a resource, so that it // is only closed if none of them is using it any more template<class T> class Manager : private ManagerImplListener { public: class Iterator { friend class Manager; public: Iterator() {}; Iterator( const Iterator &it ) { mIt = it.mIt; } T *operator*() { return static_cast<T *>( *mIt ); } Iterator &operator++() { mIt++; return *this; } Iterator &operator++(int) { mIt++; return *this; } Iterator &operator--() { mIt--; return *this; } Iterator &operator--(int) { mIt--; return *this; } bool operator==( const Iterator &it ) { return mIt == it.mIt; } bool operator!=( const Iterator &it ) { return mIt != it.mIt; } private: Resource::List::Iterator mIt; }; Iterator begin() { Iterator it; it.mIt = mImpl->resourceList()->begin(); return it; } Iterator end() { Iterator it; it.mIt = mImpl->resourceList()->end(); return it; } class ActiveIterator { friend class Manager; public: ActiveIterator() : mList( 0 ) {}; ActiveIterator( const ActiveIterator &it ) { mIt = it.mIt; mList = it.mList; } T *operator*() { return static_cast<T *>( *mIt ); } ActiveIterator &operator++() { do { mIt++; } while ( checkActive() ); return *this; } ActiveIterator &operator++(int) { do { mIt++; } while ( checkActive() ); return *this; } ActiveIterator &operator--() { do { mIt--; } while ( checkActive() ); return *this; } ActiveIterator &operator--(int) { do { mIt--; } while ( checkActive() ); return *this; } bool operator==( const ActiveIterator &it ) { return mIt == it.mIt; } bool operator!=( const ActiveIterator &it ) { return mIt != it.mIt; } private: /** Check if iterator needs to be advanced once more. */ bool checkActive() { if ( !mList || mIt == mList->end() ) return false; return !(*mIt)->isActive(); } Resource::List::Iterator mIt; Resource::List *mList; }; ActiveIterator activeBegin() { ActiveIterator it; it.mIt = mImpl->resourceList()->begin(); it.mList = mImpl->resourceList(); if ( it.mIt != mImpl->resourceList()->end() ) { if ( !(*it)->isActive() ) it++; } return it; } ActiveIterator activeEnd() { ActiveIterator it; it.mIt = mImpl->resourceList()->end(); it.mList = mImpl->resourceList(); return it; } bool isEmpty() const { return mImpl->resourceList()->isEmpty(); } Manager( const QString &family ) { mFactory = Factory::self( family ); // The managerimpl will use the same Factory object as the manager // because of the Factory::self() pattern mImpl = new ManagerImpl( family ); mImpl->setListener( this ); mListeners = new QPtrList<ManagerListener<T> >; } virtual ~Manager() { mImpl->setListener( 0 ); delete mListeners; delete mImpl; } /** Recreate Resource objects from configuration file. If cfg is 0, read standard configuration file. */ void readConfig( KConfig *cfg = 0 ) { mImpl->readConfig( cfg ); } /** Write configuration of Resource objects to configuration file. If cfg is 0, write to standard configuration file. */ void writeConfig( KConfig *cfg = 0 ) { mImpl->writeConfig( cfg ); } /** Add resource to manager. This passes ownership of the Resource object to the manager. */ void add( Resource *resource ) { if ( resource ) mImpl->add( resource ); } void remove( Resource *resource ) { if ( resource ) mImpl->remove( resource ); } T* standardResource() { return static_cast<T *>( mImpl->standardResource() ); } void setStandardResource( T *resource ) { if ( resource ) mImpl->setStandardResource( resource ); } void setActive( Resource *resource, bool active ) { if ( resource ) mImpl->setActive( resource, active ); } /** Returns a list of the names of the reources managed by the Manager for this family. */ QStringList resourceNames() const { return mImpl->resourceNames(); } ConfigWidget *configWidget( const QString& type, QWidget *parent = 0 ) { - return mFactory->resourceConfigWidget( type, parent ); + return mFactory->configWidget( type, parent ); } /** Creates a new resource of type @param type, with default settings. The resource is not added to the manager, the application has to do that. Returns a pointer to a resource object or a null pointer if resource type doesn't exist. @param type The type of the resource, one of those returned by @ref resourceTypeNames() */ T *createResource( const QString& type ) { return (T *)( mFactory->resource( type, 0 ) ); } /** Returns a list of the names of all available resource types. */ QStringList resourceTypeNames() const { return mFactory->typeNames(); } QStringList resourceTypeDescriptions() const { QStringList typeDescs; QStringList types = mFactory->typeNames(); for ( QStringList::ConstIterator it = types.begin(); it != types.end(); ++it ) { QString desc = mFactory->typeName( *it ); if ( !mFactory->typeDescription( *it ).isEmpty() ) desc += " (" + mFactory->typeDescription( *it ) + ")"; typeDescs.append( desc ); } return typeDescs; } void resourceChanged( T *resource ) { mImpl->resourceChanged( resource ); } void addListener( ManagerListener<T> *listener ) { mListeners->append( listener ); } void removeListener( ManagerListener<T> *listener ) { mListeners->remove( listener ); } virtual void resourceAdded( Resource *res ) { - kdDebug(5650) << "Manager::resourceAdded " << res->resourceName() << endl; T* resource = (T *)( res ); ManagerListener<T> *listener; for ( listener = mListeners->first(); listener; listener = mListeners->next() ) listener->resourceAdded( resource ); } virtual void resourceModified( Resource *res ) { - kdDebug(5650) << "Manager::resourceModified " << res->resourceName() << endl; + T* resource = (T *)( res ); ManagerListener<T> *listener; for ( listener = mListeners->first(); listener; listener = mListeners->next() ) listener->resourceModified( resource ); } virtual void resourceDeleted( Resource *res ) { - kdDebug(5650) << "Manager::resourceDeleted " << res->resourceName() << endl; + T* resource = (T *)( res ); ManagerListener<T> *listener; for ( listener = mListeners->first(); listener; listener = mListeners->next() ) { - kdDebug(5650) << "Notifying a listener to Manager..." << endl; listener->resourceDeleted( resource ); } } private: ManagerImpl *mImpl; Factory *mFactory; QPtrList<ManagerListener<T> > *mListeners; }; } #endif |