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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: collection.hxx,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _COLLECTION_HXX
#define _COLLECTION_HXX
#include "enumeration.hxx"
#include <cppuhelper/implbase3.hxx>
#include <com/sun/star/container/ElementExistException.hpp>
#include <com/sun/star/container/NoSuchElementException.hpp>
#include <com/sun/star/container/XEnumeration.hpp>
#include <com/sun/star/container/XIndexReplace.hpp>
#include <com/sun/star/container/XSet.hpp>
#include <com/sun/star/container/XContainer.hpp>
#include <com/sun/star/container/XContainerListener.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/lang/WrappedTargetException.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <com/sun/star/uno/Type.hxx>
#include <vector>
#include <algorithm>
typedef cppu::WeakImplHelper3<
com::sun::star::container::XIndexReplace,
com::sun::star::container::XSet,
com::sun::star::container::XContainer>
Collection_t;
template<class ELEMENT_TYPE>
class Collection : public Collection_t
{
public:
typedef ELEMENT_TYPE T;
typedef com::sun::star::uno::Reference<com::sun::star::container::XContainerListener> XContainerListener_t;
typedef std::vector<XContainerListener_t> Listeners_t;
protected:
std::vector<T> maItems;
Listeners_t maListeners;
public:
Collection() {}
virtual ~Collection() {}
const T& getItem( sal_Int32 n ) const
{
OSL_ENSURE( isValidIndex(n), "invalid index" );
OSL_ENSURE( isValid( maItems[n] ), "invalid item found" );
return maItems[n];
}
void setItem( sal_Int32 n, const T& t)
{
OSL_ENSURE( isValidIndex(n), "invalid index" );
OSL_ENSURE( isValid ( t ), "invalid item" );
T& aRef = maItems[ n ];
_elementReplaced( n, t );
_remove( aRef );
aRef = t;
_insert( t );
}
bool hasItem( const T& t ) const
{
return maItems.end() != std::find( maItems.begin(), maItems.end(), t );
}
sal_Int32 addItem( const T& t )
{
OSL_ENSURE( !hasItem( t ), "item to be added already present" );
OSL_ENSURE( isValid( t ), "invalid item" );
maItems.push_back( t );
_insert( t );
_elementInserted( maItems.size() - 1 );
return ( maItems.size() - 1 );
}
void removeItem( const T& t )
{
OSL_ENSURE( hasItem( t ), "item to be removed not present" );
OSL_ENSURE( isValid( t ), "an invalid item, funny that!" );
_elementRemoved( t );
_remove( t );
maItems.erase( std::find( maItems.begin(), maItems.end(), t ) );
}
bool hasItems() const
{
return maItems.size() != 0;
}
sal_Int32 countItems() const
{
return static_cast<sal_Int32>( maItems.size() );
}
bool isValidIndex( sal_Int32 n ) const
{
return n >= 0 && n < static_cast<sal_Int32>( maItems.size() );
}
// the following method may be overriden by sub-classes for
// customized behaviour
/// called before insertion to determine whether item is valid
virtual bool isValid( const T& ) const { return true; }
protected:
// the following methods may be overriden by sub-classes for
// customized behaviour
/// called after item has been inserted into the collection
virtual void _insert( const T& ) { }
/// called before item is removed from the collection
virtual void _remove( const T& ) { }
public:
typedef com::sun::star::uno::Type Type_t;
typedef com::sun::star::uno::Any Any_t;
typedef com::sun::star::uno::RuntimeException RuntimeException_t;
typedef com::sun::star::lang::IllegalArgumentException IllegalArgumentException_t;
typedef com::sun::star::container::NoSuchElementException NoSuchElementException_t;
typedef com::sun::star::lang::IndexOutOfBoundsException IndexOutOfBoundsException_t;
typedef com::sun::star::uno::Reference<com::sun::star::container::XEnumeration> XEnumeration_t;
typedef com::sun::star::lang::WrappedTargetException WrappedTargetException_t;
typedef com::sun::star::container::ElementExistException ElementExistException_t;
// XElementAccess
virtual Type_t SAL_CALL getElementType()
throw( RuntimeException_t )
{
return getCppuType( static_cast<T*>( NULL ) );
}
virtual sal_Bool SAL_CALL hasElements()
throw( RuntimeException_t )
{
return hasItems();
}
// XIndexAccess : XElementAccess
virtual sal_Int32 SAL_CALL getCount()
throw( RuntimeException_t )
{
return countItems();
}
virtual Any_t SAL_CALL getByIndex( sal_Int32 nIndex )
throw( IndexOutOfBoundsException_t,
WrappedTargetException_t,
RuntimeException_t)
{
if( isValidIndex( nIndex ) )
return com::sun::star::uno::makeAny( getItem( nIndex ) );
else
throw IndexOutOfBoundsException_t();
}
// XIndexReplace : XIndexAccess
virtual void SAL_CALL replaceByIndex( sal_Int32 nIndex,
const Any_t& aElement )
throw( IllegalArgumentException_t,
IndexOutOfBoundsException_t,
WrappedTargetException_t,
RuntimeException_t)
{
T t;
if( isValidIndex( nIndex) )
if( ( aElement >>= t ) && isValid( t ) )
setItem( nIndex, t );
else
throw IllegalArgumentException_t();
else
throw IndexOutOfBoundsException_t();
}
// XEnumerationAccess : XElementAccess
virtual XEnumeration_t SAL_CALL createEnumeration()
throw( RuntimeException_t )
{
return new Enumeration( this );
}
// XSet : XEnumerationAccess
virtual sal_Bool SAL_CALL has( const Any_t& aElement )
throw( RuntimeException_t )
{
T t;
return ( aElement >>= t ) ? hasItem( t ) : sal_False;
}
virtual void SAL_CALL insert( const Any_t& aElement )
throw( IllegalArgumentException_t,
ElementExistException_t,
RuntimeException_t )
{
T t;
if( ( aElement >>= t ) && isValid( t ) )
if( ! hasItem( t ) )
addItem( t );
else
throw ElementExistException_t();
else
throw IllegalArgumentException_t();
}
virtual void SAL_CALL remove( const Any_t& aElement )
throw( IllegalArgumentException_t,
NoSuchElementException_t,
RuntimeException_t )
{
T t;
if( aElement >>= t )
if( hasItem( t ) )
removeItem( t );
else
throw NoSuchElementException_t();
else
throw IllegalArgumentException_t();
}
// XContainer
virtual void SAL_CALL addContainerListener(
const XContainerListener_t& xListener )
throw( RuntimeException_t )
{
OSL_ENSURE( xListener.is(), "need listener!" );
if( std::find( maListeners.begin(), maListeners.end(), xListener)
== maListeners.end() )
maListeners.push_back( xListener );
}
virtual void SAL_CALL removeContainerListener(
const XContainerListener_t& xListener )
throw( RuntimeException_t )
{
OSL_ENSURE( xListener.is(), "need listener!" );
Listeners_t::iterator aIter =
std::find( maListeners.begin(), maListeners.end(), xListener );
if( aIter != maListeners.end() )
maListeners.erase( aIter );
}
protected:
// call listeners:
void _elementInserted( sal_Int32 nPos )
{
OSL_ENSURE( isValidIndex(nPos), "invalid index" );
com::sun::star::container::ContainerEvent aEvent(
static_cast<com::sun::star::container::XIndexReplace*>( this ),
com::sun::star::uno::makeAny( nPos ),
com::sun::star::uno::makeAny( getItem( nPos ) ),
com::sun::star::uno::Any() );
for( Listeners_t::iterator aIter = maListeners.begin();
aIter != maListeners.end();
aIter++ )
{
(*aIter)->elementInserted( aEvent );
}
}
void _elementRemoved( const T& aOld )
{
com::sun::star::container::ContainerEvent aEvent(
static_cast<com::sun::star::container::XIndexReplace*>( this ),
com::sun::star::uno::Any(),
com::sun::star::uno::makeAny( aOld ),
com::sun::star::uno::Any() );
for( Listeners_t::iterator aIter = maListeners.begin();
aIter != maListeners.end();
aIter++ )
{
(*aIter)->elementRemoved( aEvent );
}
}
void _elementReplaced( const sal_Int32 nPos, const T& aNew )
{
OSL_ENSURE( isValidIndex(nPos), "invalid index" );
com::sun::star::container::ContainerEvent aEvent(
static_cast<com::sun::star::container::XIndexReplace*>( this ),
com::sun::star::uno::makeAny( nPos ),
com::sun::star::uno::makeAny( getItem( nPos ) ),
com::sun::star::uno::makeAny( aNew ) );
for( Listeners_t::iterator aIter = maListeners.begin();
aIter != maListeners.end();
aIter++ )
{
(*aIter)->elementReplaced( aEvent );
}
}
};
#endif
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