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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: atrhndl.hxx,v $
* $Revision: 1.5.210.1 $
*
* 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 _ATRHNDL_HXX
#define _ATRHNDL_HXX
#define INITIAL_NUM_ATTR 3
#define NUM_ATTRIBUTE_STACKS 40
#include <txatbase.hxx>
#include <swfntcch.hxx>
class SwAttrSet;
class IDocumentSettingAccess;
class ViewShell;
class SfxPoolItem;
extern const BYTE StackPos[];
/*************************************************************************
* class SwAttrHandler
*
* Used by Attribute Iterators to organize attributes on stacks to
* find the valid attribute in each category
*************************************************************************/
class SwAttrHandler
{
private:
/*************************************************************************
* class SwAttrStack
*
* Container for SwTxtAttr Objects
*************************************************************************/
class SwAttrStack
{
private:
SwTxtAttr* pInitialArray[ INITIAL_NUM_ATTR ];
SwTxtAttr** pArray;
USHORT nCount; // number of elements on stack
USHORT nSize; // number of positions in Array
public:
// Ctor, Dtor
inline SwAttrStack();
inline ~SwAttrStack() {
if ( nSize > INITIAL_NUM_ATTR ) delete [] pArray; }
// reset stack
inline void Reset() { nCount = 0; };
// insert on top
inline void Push( const SwTxtAttr& rAttr ) { Insert( rAttr, nCount ); };
// insert at specified position, take care for not inserting behind
// the value returned by Count()
void Insert( const SwTxtAttr& rAttr, const USHORT nPos );
// remove specified attribute
void Remove( const SwTxtAttr& rAttr );
// get attribute from top if exists, otherwise 0
const SwTxtAttr* Top() const;
// number of elements on stack
inline USHORT Count() const { return nCount; };
// returns position of rAttr on Stack if found, otherwise USHRT_MAX
// can be used for Remove of an attribute
USHORT Pos( const SwTxtAttr& rAttr ) const;
};
SwAttrStack aAttrStack[ NUM_ATTRIBUTE_STACKS ]; // stack collection
const SfxPoolItem* pDefaultArray[ NUM_DEFAULT_VALUES ];
const IDocumentSettingAccess* mpIDocumentSettingAccess;
const ViewShell* mpShell;
// This is the base font for the paragraph. It is stored in order to have
// a template, if we have to restart the attribute evaluation
SwFont* pFnt;
sal_Bool bVertLayout;
// change font according to pool item
void FontChg(const SfxPoolItem& rItem, SwFont& rFnt, sal_Bool bPush );
// push attribute to specified stack, returns true, if attribute has
// been pushed on top of stack (important for stacks containing different
// attributes with different priority and redlining)
sal_Bool Push( const SwTxtAttr& rAttr, const SfxPoolItem& rItem );
// apply top attribute on stack to font
void ActivateTop( SwFont& rFnt, USHORT nStackPos );
public:
// Ctor
SwAttrHandler();
~SwAttrHandler();
// set default attributes to values in rAttrSet or from cache
void Init( const SwAttrSet& rAttrSet,
const IDocumentSettingAccess& rIDocumentSettingAccess,
const ViewShell* pShell );
void Init( const SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet,
const IDocumentSettingAccess& rIDocumentSettingAccess,
const ViewShell* pShell, SwFont& rFnt,
sal_Bool bVertLayout );
// remove everything from internal stacks, keep default data
void Reset( );
// insert specified attribute and change font
void PushAndChg( const SwTxtAttr& rAttr, SwFont& rFnt );
// remove specified attribute and reset font
void PopAndChg( const SwTxtAttr& rAttr, SwFont& rFnt );
void Pop( const SwTxtAttr& rAttr );
// apply script dependent attributes
// void ChangeScript( SwFont& rFnt, const BYTE nScr );
// returns the default value for stack nStack
inline const SfxPoolItem& GetDefault( const USHORT nAttribID ) const;
// do not call these if you only used the small init function
inline void ResetFont( SwFont& rFnt ) const;
inline const SwFont* GetFont() const;
void GetDefaultAscentAndHeight(ViewShell* pShell,
OutputDevice& rOut,
USHORT& nAscent,
USHORT& nHeight) const;
};
inline const SfxPoolItem& SwAttrHandler::GetDefault( const USHORT nAttribID ) const
{
ASSERT( nAttribID < RES_TXTATR_END,
"this attrib does not ex."
);
ASSERT( pDefaultArray[ StackPos[ nAttribID ] ], "array not initialized" );
return *pDefaultArray[ StackPos[ nAttribID ] ];
}
inline void SwAttrHandler::ResetFont( SwFont& rFnt ) const
{
ASSERT( pFnt, "ResetFont without a font" );
if ( pFnt )
rFnt = *pFnt;
};
inline const SwFont* SwAttrHandler::GetFont() const
{
return pFnt;
};
#endif
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