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