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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_EXTENSIONS_SOURCE_PROPCTRLR_COMMONCONTROL_HXX
#define INCLUDED_EXTENSIONS_SOURCE_PROPCTRLR_COMMONCONTROL_HXX
#include <com/sun/star/inspection/XPropertyControl.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <cppuhelper/compbase1.hxx>
#include <comphelper/broadcasthelper.hxx>
#include <tools/link.hxx>
#include <vcl/window.hxx>
class NotifyEvent;
namespace pcr
{
class ControlHelper;
//= ControlWindow
template< class WINDOW >
class ControlWindow : public WINDOW
{
protected:
typedef WINDOW WindowType;
protected:
ControlHelper* m_pHelper;
public:
ControlWindow( Window* _pParent, WinBits _nStyle )
:WindowType( _pParent, _nStyle )
,m_pHelper( NULL )
{
}
/// sets a ControlHelper instance which some functionality is delegated to
inline virtual void setControlHelper( ControlHelper& _rControlHelper );
protected:
// Window overridables
inline virtual bool PreNotify( NotifyEvent& rNEvt );
};
//= IModifyListener
class SAL_NO_VTABLE IModifyListener
{
public:
virtual void modified() = 0;
protected:
~IModifyListener() {}
};
//= ControlHelper
/** A helper class for implementing the <type scope="com::sun::star::inspection">XPropertyControl</type>
or one of its derived interfaces.
This class is intended to be held as member of another class which implements the
<type scope="com::sun::star::inspection">XPropertyControl</type> interface. The pointer
to this interface is to be passed to the ctor.
*/
class ControlHelper
{
private:
Window* m_pControlWindow;
sal_Int16 m_nControlType;
::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlContext >
m_xContext;
::com::sun::star::inspection::XPropertyControl&
m_rAntiImpl;
IModifyListener* m_pModifyListener;
bool m_bModified;
public:
/** creates the instance
@param _rControlWindow
the window which is associated with the <type scope="com::sun::star::inspection">XPropertyControl</type>.
Must not be <NULL/>.<br/>
Ownership for this window is taken by the ControlHelper - it will be deleted in <member>disposing</member>.
@param _nControlType
the type of the control - one of the <type scope="com::sun::star::inspection">PropertyControlType</type>
constants
@param _pAntiImpl
Reference to the instance as whose "impl-class" we act. This reference is held during lifetime
of the <type>ControlHelper</type> class, within acquiring it. Thus, the owner of the
<type>ControlHelper</type> is responsible for assuring the lifetime of the instance
pointed to by <arg>_pAntiImpl</arg>.
@param _pModifyListener
a listener to be modfied when the user modified the control's value. the
<member>IModifyListener::modified</member> of this listener is called from within our
ModifiedHdl. A default implementation of <member>IModifyListener::modified</member>
would just call our <member>setModified</member>.
*/
ControlHelper(
Window* _pControlWindow,
sal_Int16 _nControlType,
::com::sun::star::inspection::XPropertyControl& _rAntiImpl,
IModifyListener* _pModifyListener );
virtual ~ControlHelper();
/** sets our "modified" flag to <TRUE/>
*/
inline void setModified() { m_bModified = true; }
inline Window* getVclControlWindow() { return m_pControlWindow; }
inline const Window* getVclControlWindow() const { return m_pControlWindow; }
public:
// XPropertyControl
::sal_Int16 SAL_CALL getControlType() throw (::com::sun::star::uno::RuntimeException);
::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlContext > SAL_CALL getControlContext() throw (::com::sun::star::uno::RuntimeException);
void SAL_CALL setControlContext( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlContext >& _controlcontext ) throw (::com::sun::star::uno::RuntimeException);
::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow > SAL_CALL getControlWindow() throw (::com::sun::star::uno::RuntimeException);
bool SAL_CALL isModified( ) throw (::com::sun::star::uno::RuntimeException);
void SAL_CALL notifyModifiedValue( ) throw (::com::sun::star::uno::RuntimeException);
// XComponent
virtual void SAL_CALL dispose();
/** (fail-safe) wrapper around calling our context's activateNextControl
*/
inline void activateNextControl() const { impl_activateNextControl_nothrow(); }
public:
/// may be used to implement the default handling in PreNotify; returns sal_True if handled
bool handlePreNotify(NotifyEvent& _rNEvt);
/// automatically size the window given in the ctor
void autoSizeWindow();
/// may be used by derived classes, they forward the event to the PropCtrListener
DECL_LINK( ModifiedHdl, Window* );
DECL_LINK( GetFocusHdl, Window* );
DECL_LINK( LoseFocusHdl, Window* );
private:
/** fail-safe wrapper around calling our context's activateNextControl
*/
void impl_activateNextControl_nothrow() const;
};
//= CommonBehaviourControl
/** implements a base class for <type scope="com::sun::star::inspection">XPropertyControl</type>
implementations, which delegates the generic functionality of this interface to a
<type>ControlHelper</type> member.
@param CONTROL_INTERFACE
an interface class which is derived from (or identical to) <type scope="com::sun::star::inspection">XPropertyControl</type>
@param CONTROL_WINDOW
a class which is derived from ControlWindow
*/
template < class CONTROL_INTERFACE, class CONTROL_WINDOW >
class CommonBehaviourControl :public ::comphelper::OBaseMutex
,public ::cppu::WeakComponentImplHelper1< CONTROL_INTERFACE >
,public IModifyListener
{
protected:
typedef CONTROL_INTERFACE InterfaceType;
typedef CONTROL_WINDOW WindowType;
typedef ::comphelper::OBaseMutex MutexBaseClass;
typedef ::cppu::WeakComponentImplHelper1< CONTROL_INTERFACE > ComponentBaseClass;
protected:
ControlHelper m_aImplControl;
protected:
inline CommonBehaviourControl( sal_Int16 _nControlType, Window* _pParentWindow, WinBits _nWindowStyle, bool _bDoSetHandlers = true );
// XPropertyControl - delegated to ->m_aImplControl
inline ::sal_Int16 SAL_CALL getControlType() throw (::com::sun::star::uno::RuntimeException);
inline ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlContext > SAL_CALL getControlContext() throw (::com::sun::star::uno::RuntimeException);
inline void SAL_CALL setControlContext( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlContext >& _controlcontext ) throw (::com::sun::star::uno::RuntimeException);
inline ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow > SAL_CALL getControlWindow() throw (::com::sun::star::uno::RuntimeException);
inline sal_Bool SAL_CALL isModified( ) throw (::com::sun::star::uno::RuntimeException);
inline void SAL_CALL notifyModifiedValue( ) throw (::com::sun::star::uno::RuntimeException);
// XComponent
inline virtual void SAL_CALL disposing();
// IModifyListener
virtual void modified() SAL_OVERRIDE
{ m_aImplControl.setModified(); }
/// returns a typed pointer to our control window
WindowType* getTypedControlWindow() { return static_cast< WindowType* > ( m_aImplControl.getVclControlWindow() ); }
const WindowType* getTypedControlWindow() const { return static_cast< const WindowType* >( m_aImplControl.getVclControlWindow() ); }
protected:
/** checks whether the instance is already disposed
@throws DisposedException
if the instance is already disposed
*/
inline void impl_checkDisposed_throw();
};
//= ControlWindow - implementation
template< class WINDOW >
inline void ControlWindow< WINDOW >::setControlHelper( ControlHelper& _rControlHelper )
{
m_pHelper = &_rControlHelper;
}
template< class WINDOW >
inline bool ControlWindow< WINDOW >::PreNotify( NotifyEvent& rNEvt )
{
if ( m_pHelper && m_pHelper->handlePreNotify( rNEvt ) )
return true;
return WindowType::PreNotify( rNEvt );
}
//= CommonBehaviourControl - implementation
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::CommonBehaviourControl ( sal_Int16 _nControlType, Window* _pParentWindow, WinBits _nWindowStyle, bool _bDoSetHandlers )
:ComponentBaseClass( m_aMutex )
,m_aImplControl( new WindowType( _pParentWindow, _nWindowStyle ), _nControlType, *this, this )
{
WindowType* pControlWindow( getTypedControlWindow() );
pControlWindow->setControlHelper( m_aImplControl );
if ( _bDoSetHandlers )
{
pControlWindow->SetModifyHdl( LINK( &m_aImplControl, ControlHelper, ModifiedHdl ) );
pControlWindow->SetGetFocusHdl( LINK( &m_aImplControl, ControlHelper, GetFocusHdl ) );
pControlWindow->SetLoseFocusHdl( LINK( &m_aImplControl, ControlHelper, LoseFocusHdl ) );
}
m_aImplControl.autoSizeWindow();
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline ::sal_Int16 SAL_CALL CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::getControlType() throw (::com::sun::star::uno::RuntimeException)
{
return m_aImplControl.getControlType();
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlContext > SAL_CALL CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::getControlContext() throw (::com::sun::star::uno::RuntimeException)
{
return m_aImplControl.getControlContext();
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline void SAL_CALL CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::setControlContext( const ::com::sun::star::uno::Reference< ::com::sun::star::inspection::XPropertyControlContext >& _controlcontext ) throw (::com::sun::star::uno::RuntimeException)
{
m_aImplControl.setControlContext( _controlcontext );
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow > SAL_CALL CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::getControlWindow() throw (::com::sun::star::uno::RuntimeException)
{
return m_aImplControl.getControlWindow();
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline sal_Bool SAL_CALL CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::isModified( ) throw (::com::sun::star::uno::RuntimeException)
{
return m_aImplControl.isModified();
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline void SAL_CALL CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::notifyModifiedValue( ) throw (::com::sun::star::uno::RuntimeException)
{
m_aImplControl.notifyModifiedValue();
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline void SAL_CALL CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::disposing()
{
m_aImplControl.dispose();
}
template< class CONTROL_INTERFACE, class CONTROL_WINDOW >
inline void CommonBehaviourControl< CONTROL_INTERFACE, CONTROL_WINDOW >::impl_checkDisposed_throw()
{
if ( ComponentBaseClass::rBHelper.bDisposed )
throw ::com::sun::star::lang::DisposedException( OUString(), *this );
}
} // namespace pcr
#endif // INCLUDED_EXTENSIONS_SOURCE_PROPCTRLR_COMMONCONTROL_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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