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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 .
*/
#include <svx/svdobj.hxx>
#include "shapelist.hxx"
#include <algorithm>
using namespace sd;
ShapeList::ShapeList()
{
maIter = maShapeList.end();
}
ShapeList::~ShapeList()
{
clear();
}
/** adds the given shape to this list */
void ShapeList::addShape( SdrObject& rObject )
{
ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
if( aIter == maShapeList.end() )
{
maShapeList.push_back(&rObject);
rObject.AddObjectUser( *this );
}
else
{
OSL_FAIL("sd::ShapeList::addShape(), given shape already part of list!");
}
}
/** removes the given shape from this list */
SdrObject* ShapeList::removeShape( SdrObject& rObject )
{
ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
if( aIter != maShapeList.end() )
{
bool bIterErased = aIter == maIter;
(*aIter)->RemoveObjectUser(*this);
aIter = maShapeList.erase( aIter );
if( bIterErased )
maIter = aIter;
if( aIter != maShapeList.end() )
return (*aIter);
}
else
{
OSL_FAIL("sd::ShapeList::removeShape(), given shape not part of list!");
}
return 0;
}
/** removes all shapes from this list
NOTE: iterators will become invalid */
void ShapeList::clear()
{
ListImpl aShapeList;
aShapeList.swap( maShapeList );
ListImpl::iterator aIter( aShapeList.begin() );
while( aIter != aShapeList.end() )
(*aIter++)->RemoveObjectUser(*this);
maIter = aShapeList.end();
}
/** returns true if this list is empty */
bool ShapeList::isEmpty() const
{
return maShapeList.empty();
}
/** returns true if given shape is part of this list */
bool ShapeList::hasShape( SdrObject& rObject ) const
{
return std::find( maShapeList.begin(), maShapeList.end(), &rObject ) != maShapeList.end();
}
void ShapeList::ObjectInDestruction(const SdrObject& rObject)
{
ListImpl::iterator aIter( std::find( maShapeList.begin(), maShapeList.end(), &rObject ) );
if( aIter != maShapeList.end() )
{
bool bIterErased = aIter == maIter;
aIter = maShapeList.erase( aIter );
if( bIterErased )
maIter = aIter;
}
else
{
OSL_FAIL("sd::ShapeList::ObjectInDestruction(), got a call from an unknown friend!");
}
}
SdrObject* ShapeList::getNextShape()
{
if( maIter != maShapeList.end() )
{
return (*maIter++);
}
else
{
return 0;
}
}
void ShapeList::seekShape( sal_uInt32 nIndex )
{
maIter = maShapeList.begin();
while( nIndex-- && (maIter != maShapeList.end()) )
maIter++;
}
bool ShapeList::hasMore() const
{
return maIter != maShapeList.end();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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