/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_SVX_SOURCE_INC_FORMCONTROLLING_HXX #define INCLUDED_SVX_SOURCE_INC_FORMCONTROLLING_HXX #include <com/sun/star/form/runtime/XFormController.hpp> #include <com/sun/star/form/XForm.hpp> #include <com/sun/star/form/runtime/FeatureState.hpp> #include <com/sun/star/form/runtime/XFormOperations.hpp> #include <com/sun/star/sdb/XSQLErrorListener.hpp> #include <cppuhelper/implbase2.hxx> #include <vector> namespace svx { class FeatureSlotTranslation { public: /// retrieves the feature id for a given feature URL static sal_Int32 getControllerFeatureSlotIdForURL( const OUString& _rMainURL ); /// retrieves the css.form.runtime.FormFeature ID for a given slot ID static sal_Int16 getFormFeatureForSlotId( sal_Int32 _nSlotId ); /// retrieves the slot id for a given css.form.runtime.FormFeature ID static sal_Int32 getSlotIdForFormFeature( sal_Int16 _nFormFeature ); }; class IControllerFeatureInvalidation { public: /** invalidates the given features Invalidation means that any user interface representation (such as toolbox buttons), or any dispatches associated with the features in question are potentially out-of-date, and need to be updated @param _rFeatures Ids of the features to be invalidated. */ virtual void invalidateFeatures( const ::std::vector< sal_Int32 >& _rFeatures ) = 0; protected: ~IControllerFeatureInvalidation() {} }; class FormControllerHelper; /** easier access to an FormControllerHelper instance */ class ControllerFeatures { protected: IControllerFeatureInvalidation* m_pInvalidationCallback; // necessary as long as m_pImpl is not yet constructed FormControllerHelper* m_pImpl; public: /** standard ctor The instance is not functional until <method>assign</method> is used. @param _pInvalidationCallback the callback for invalidating feature states */ ControllerFeatures( IControllerFeatureInvalidation* _pInvalidationCallback ); /** constructs the instance from a <type scope="com::sun::star::form::runtime">XFormController<type> instance @param _rxController The form controller which the helper should be responsible for. Must not be <NULL/>, and must have a valid model (form). @param _pInvalidationCallback the callback for invalidating feature states */ ControllerFeatures( const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController, IControllerFeatureInvalidation* _pInvalidationCallback ); /// dtor ~ControllerFeatures(); /// checks whether the instance is properly assigned to a form and/or controller inline bool isAssigned( ) const { return m_pImpl != NULL; } /** assign to a controller */ void assign( const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController ); /// clears the instance so that it cannot be used afterwards void dispose(); // access to the instance which implements the functionality. Not to be used when not assigned inline const FormControllerHelper* operator->() const { return m_pImpl; } inline FormControllerHelper* operator->() { return m_pImpl; } inline const FormControllerHelper& operator*() const { return *m_pImpl; } inline FormControllerHelper& operator*() { return *m_pImpl; } }; //= FormControllerHelper typedef ::cppu::WeakImplHelper2 < ::com::sun::star::form::runtime::XFeatureInvalidation , ::com::sun::star::sdb::XSQLErrorListener > FormControllerHelper_Base; /** is a helper class which manages form controller functionality (such as moveNext etc.). <p>The class helps implementing form controller functionality, by providing methods to determine the state of, and execute, various common form features.<br/> A <em>feature</em> is for instance moving the form associated with the controller to a certain position, or reloading the form, and so on.</p> */ class FormControllerHelper : public FormControllerHelper_Base { protected: IControllerFeatureInvalidation* m_pInvalidationCallback; ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormOperations > m_xFormOperations; ::com::sun::star::uno::Any m_aOperationError; public: /** constructs the helper from a <type scope="com::sun::star::form::runtime">XFormController<type> instance @param _rxController The form controller which the helper should be responsible for. Must not be <NULL/>, and must have a valid model (form). @param _pInvalidationCallback the callback for invalidating feature states */ FormControllerHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormController >& _rxController, IControllerFeatureInvalidation* _pInvalidationCallback ); // forwards to the XFormOperations implementation ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRowSet > getCursor() const; void getState( sal_Int32 _nSlotId, ::com::sun::star::form::runtime::FeatureState& _out_rState ) const; bool isEnabled( sal_Int32 _nSlotId ) const; void execute( sal_Int32 _nSlotId ) const; void execute( sal_Int32 _nSlotId, const OUString& _rParamName, const ::com::sun::star::uno::Any& _rParamValue ) const; bool commitCurrentRecord() const; bool commitCurrentControl( ) const; bool isInsertionRow() const; bool isModifiedRow() const; bool canDoFormFilter() const; /** disposes this instance. After this method has been called, the instance is not functional anymore */ void dispose(); const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormOperations >& getFormOperations() const { return m_xFormOperations; } protected: /// dtor virtual ~FormControllerHelper(); // XFeatureInvalidation virtual void SAL_CALL invalidateFeatures( const ::com::sun::star::uno::Sequence< ::sal_Int16 >& Features ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE; virtual void SAL_CALL invalidateAllFeatures() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE; // XSQLErrorListener virtual void SAL_CALL errorOccured( const ::com::sun::star::sdb::SQLErrorEvent& _Event ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE; // XEventListener virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE; private: enum FormOperation { EXECUTE, EXECUTE_ARGS, COMMIT_CONTROL, COMMIT_RECORD }; bool impl_operateForm_nothrow( const FormOperation _eWhat, const sal_Int16 _nFeature, /* ignore for COMMIT_* */ const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue >& _rArguments /* ignore except for EXECUTE_ARGS */ ) const; bool impl_operateForm_nothrow( const FormOperation _eWhat ) const { return impl_operateForm_nothrow( _eWhat, 0, ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue >() ); } bool impl_operateForm_nothrow( const sal_Int16 _nFeature ) const { return impl_operateForm_nothrow( EXECUTE, _nFeature, ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue >() ); } private: FormControllerHelper( const FormControllerHelper& ) SAL_DELETED_FUNCTION; FormControllerHelper& operator=( const FormControllerHelper& ) SAL_DELETED_FUNCTION; }; } // namespace svx #endif // INCLUDED_SVX_SOURCE_INC_FORMCONTROLLING_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */