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/* -*- 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/implbase.hxx>
#include <rtl/ref.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any dispatches associated with the features in question are potentially out-of-date, and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 final
{
IControllerFeatureInvalidation* m_pInvalidationCallback; // necessary as long as m_pImpl is not yet constructed
rtl::Reference<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="css::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).
*/
ControllerFeatures(
const css::uno::Reference< css::form::runtime::XFormController >& _rxController
);
/// dtor
~ControllerFeatures();
/// checks whether the instance is properly assigned to a form and/or controller
bool isAssigned( ) const { return m_pImpl != nullptr; }
/** assign to a controller
*/
void assign(
const css::uno::Reference< css::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
const FormControllerHelper* operator->() const { return m_pImpl.get(); }
FormControllerHelper* operator->() { return m_pImpl.get(); }
};
//= FormControllerHelper
typedef ::cppu::WeakImplHelper < css::form::runtime::XFeatureInvalidation
, css::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;
css::uno::Reference< css::form::runtime::XFormOperations >
m_xFormOperations;
css::uno::Any m_aOperationError;
public:
/** constructs the helper from a <type scope="css::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 css::uno::Reference< css::form::runtime::XFormController >& _rxController,
IControllerFeatureInvalidation* _pInvalidationCallback
);
// forwards to the XFormOperations implementation
css::uno::Reference< css::sdbc::XRowSet >
getCursor() const;
void getState(
sal_Int32 _nSlotId,
css::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 css::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();
protected:
/// dtor
virtual ~FormControllerHelper() override;
// XFeatureInvalidation
virtual void SAL_CALL invalidateFeatures( const css::uno::Sequence< ::sal_Int16 >& Features ) override;
virtual void SAL_CALL invalidateAllFeatures() override;
// XSQLErrorListener
virtual void SAL_CALL errorOccured( const css::sdb::SQLErrorEvent& Event ) override;
// XEventListener
virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) 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 css::uno::Sequence< css::beans::NamedValue >& _rArguments /* ignore except for EXECUTE_ARGS */
) const;
bool impl_operateForm_nothrow( const FormOperation _eWhat ) const
{
return impl_operateForm_nothrow( _eWhat, 0, css::uno::Sequence< css::beans::NamedValue >() );
}
private:
FormControllerHelper( const FormControllerHelper& ) = delete;
FormControllerHelper& operator=( const FormControllerHelper& ) = delete;
};
}
#endif // INCLUDED_SVX_SOURCE_INC_FORMCONTROLLING_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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