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libreoffice/svx/source/editeng/textconv.cxx
Rüdiger Timm 6843b43474 INTEGRATION: CWS tl07 (1.4.226); FILE MERGED 
2005/01/19 15:27:58 tl 1.4.226.1: #i37058# text conversion: improvments for secondary Chinese languages
2005-04-04 07:30:42 +00:00

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/*************************************************************************
*
* $RCSfile: textconv.cxx,v $
*
* $Revision: 1.5 $
*
* last change: $Author: rt $ $Date: 2005-04-04 08:30:42 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include <eeng_pch.hxx>
#pragma hdrstop
#include <impedit.hxx>
#include <editview.hxx>
#include <editeng.hxx>
#ifndef _UNO_LINGU_HXX
#include <unolingu.hxx>
#endif
#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#endif
#ifndef _COM_SUN_STAR_LANG_LOCALE_HPP_
#include <com/sun/star/lang/Locale.hpp>
#endif
#ifndef _SVX_LANGITEM_HXX
#include <langitem.hxx>
#endif
#ifndef _SVX_FONTITEM_HXX
#include <fontitem.hxx>
#endif
#ifndef _TEXTCONV_HXX
#include "textconv.hxx"
#endif
using namespace rtl;
using namespace com::sun::star::uno;
using namespace com::sun::star::beans;
using namespace com::sun::star::lang;
using namespace com::sun::star::linguistic2;
#define C2U(cChar) OUString::createFromAscii(cChar)
//////////////////////////////////////////////////////////////////////
TextConvWrapper::TextConvWrapper( Window* pWindow,
const Reference< XMultiServiceFactory >& rxMSF,
const Locale& rSourceLocale,
const Locale& rTargetLocale,
const Font* pTargetFont,
sal_Int32 nOptions,
sal_Bool bIsInteractive,
BOOL bIsStart,
EditView* pView ) :
HangulHanjaConversion( pWindow, rxMSF, rSourceLocale, rTargetLocale, pTargetFont, nOptions, bIsInteractive )
{
DBG_ASSERT( pWindow, "TextConvWrapper: window missing" );
nConvTextLang = LANGUAGE_NONE;
nUnitOffset = 0;
bStartChk = sal_False;
bStartDone = bIsStart;
bEndDone = sal_False;
pWin = pWindow;
pEditView = pView;
aConvSel = pEditView->GetSelection();
aConvSel.Adjust(); // make Start <= End
}
TextConvWrapper::~TextConvWrapper()
{
}
sal_Bool TextConvWrapper::ConvNext_impl()
{
// modified version of SvxSpellWrapper::SpellNext
if( bStartChk )
bStartDone = sal_True;
else
bEndDone = sal_True;
if ( bStartDone && bEndDone )
{
if ( ConvMore_impl() ) // ein weiteres Dokument pruefen?
{
bStartDone = sal_True;
bEndDone = sal_False;
ConvStart_impl( SVX_SPELL_BODY );
return sal_True;
}
return sal_False;
}
//ResMgr* pMgr = DIALOG_MGR();
sal_Bool bGoOn = sal_False;
if ( bStartDone && bEndDone )
{
if ( ConvMore_impl() ) // ein weiteres Dokument pruefen?
{
bStartDone = sal_True;
bEndDone = sal_False;
ConvStart_impl( SVX_SPELL_BODY );
return sal_True;
}
}
else
{
// Ein BODY_Bereich erledigt, Frage nach dem anderen BODY_Bereich
/*
pWin->LeaveWait();
sal_uInt16 nResId = bReverse ? RID_SVXQB_BW_CONTINUE : RID_SVXQB_CONTINUE;
QueryBox aBox( pWin, ResId( nResId, pMgr ) );
if ( aBox.Execute() != RET_YES )
{
// Verzicht auf den anderen Bereich, ggf. Frage nach Sonderbereich
pWin->EnterWait();
bStartDone = bEndDone = sal_True;
return ConvNext_impl();
}
else
{
*/
if (!aConvSel.HasRange())
{
bStartChk = !bStartDone;
ConvStart_impl( bStartChk ? SVX_SPELL_BODY_START : SVX_SPELL_BODY_END );
bGoOn = sal_True;
}
/*
}
pWin->EnterWait();
*/
}
return bGoOn;
}
sal_Bool TextConvWrapper::FindConvText_impl()
{
// modified version of SvxSpellWrapper::FindSpellError
//ShowLanguageErrors();
sal_Bool bFound = sal_False;
pWin->EnterWait();
sal_Bool bConvert = sal_True;
while ( bConvert )
{
bFound = ConvContinue_impl();
if (bFound)
{
bConvert = sal_False;
}
else
{
ConvEnd_impl();
bConvert = ConvNext_impl();
}
}
pWin->LeaveWait();
return bFound;
}
sal_Bool TextConvWrapper::ConvMore_impl()
{
// modified version of SvxSpellWrapper::SpellMore
sal_Bool bMore = sal_False;
ImpEditEngine* pImpEE = pEditView->GetImpEditEngine();
ConvInfo* pConvInfo = pImpEE->GetConvInfo();
if ( pConvInfo->bMultipleDoc )
{
bMore = pImpEE->GetEditEnginePtr()->ConvertNextDocument();
if ( bMore )
{
// Der Text wurde in diese Engine getreten...
pEditView->GetImpEditView()->SetEditSelection(
pImpEE->GetEditDoc().GetStartPaM() );
}
}
return bMore;
}
void TextConvWrapper::ConvStart_impl( SvxSpellArea eArea )
{
// modified version of EditSpellWrapper::SpellStart
ImpEditEngine* pImpEE = pEditView->GetImpEditEngine();
ConvInfo* pConvInfo = pImpEE->GetConvInfo();
if ( eArea == SVX_SPELL_BODY_START )
{
// Wird gerufen, wenn Spell-Forwad am Ende angekomment ist
// und soll von vorne beginnen
if ( bEndDone )
{
pConvInfo->bConvToEnd = sal_False;
pConvInfo->aConvTo = pConvInfo->aConvStart;
pConvInfo->aConvContinue = EPaM( 0, 0 );
pEditView->GetImpEditView()->SetEditSelection(
pImpEE->GetEditDoc().GetStartPaM() );
}
else
{
pConvInfo->bConvToEnd = sal_True;
pConvInfo->aConvTo = pImpEE->CreateEPaM(
pImpEE->GetEditDoc().GetStartPaM() );
}
}
else if ( eArea == SVX_SPELL_BODY_END )
{
// Wird gerufen, wenn Spell-Forwad gestartet wird
pConvInfo->bConvToEnd = sal_True;
if (aConvSel.HasRange())
{
// user selection: convert to end of selection
pConvInfo->aConvTo.nPara = aConvSel.nEndPara;
pConvInfo->aConvTo.nIndex = aConvSel.nEndPos;
pConvInfo->bConvToEnd = sal_False;
}
else
{
// nothing selected: convert to end of document
pConvInfo->aConvTo = pImpEE->CreateEPaM(
pImpEE->GetEditDoc().GetEndPaM() );
}
}
else if ( eArea == SVX_SPELL_BODY )
{
// called by ConvNext_impl...
pConvInfo->aConvContinue = pConvInfo->aConvStart;
pConvInfo->aConvTo = pImpEE->CreateEPaM(
pImpEE->GetEditDoc().GetEndPaM() );
// pSpellInfo->bSpellToEnd = sal_True;
}
else
{
DBG_ERROR( "ConvStart_impl: Unknown Area!" );
}
}
void TextConvWrapper::ConvEnd_impl()
{
// modified version of EditSpellWrapper::SpellEnd
// nothing to be done
}
sal_Bool TextConvWrapper::ConvContinue_impl()
{
// modified version of EditSpellWrapper::SpellContinue
// get next convertible text portion and its language
aConvText = rtl::OUString();
nConvTextLang = LANGUAGE_NONE;
pEditView->GetImpEditEngine()->ImpConvert( aConvText, nConvTextLang,
pEditView, GetSourceLanguage(), aConvSel );
return aConvText.getLength() != 0;
}
void TextConvWrapper::SelectNewUnit_impl(
const sal_Int32 nUnitStart,
const sal_Int32 nUnitEnd )
{
BOOL bOK = 0 <= nUnitStart && 0 <= nUnitEnd && nUnitStart <= nUnitEnd;
DBG_ASSERT( bOK, "invalid arguments" );
if (!bOK)
return;
ESelection aSelection = pEditView->GetSelection();
DBG_ASSERT( aSelection.nStartPara == aSelection.nEndPara,
"paragraph mismatch in selection" );
aSelection.nStartPos = (USHORT) (nLastPos + nUnitOffset + nUnitStart);
aSelection.nEndPos = (USHORT) (nLastPos + nUnitOffset + nUnitEnd);
pEditView->SetSelection( aSelection );
}
void TextConvWrapper::GetNextPortion(
::rtl::OUString& /* [out] */ rNextPortion,
LanguageType& /* [out] */ rLangOfPortion )
{
FindConvText_impl();
rNextPortion = aConvText;
rLangOfPortion = nConvTextLang;
nUnitOffset = 0;
ESelection aSelection = pEditView->GetSelection();
DBG_ASSERT( aSelection.nStartPara == aSelection.nEndPara,
"paragraph mismatch in selection" );
DBG_ASSERT( aSelection.nStartPos <= aSelection.nEndPos,
"start pos > end pos" );
nLastPos = aSelection.nStartPos;
}
void TextConvWrapper::HandleNewUnit(
const sal_Int32 nUnitStart,
const sal_Int32 nUnitEnd )
{
SelectNewUnit_impl( nUnitStart, nUnitEnd );
}
void TextConvWrapper::ReplaceUnit(
const sal_Int32 nUnitStart, const sal_Int32 nUnitEnd,
const ::rtl::OUString& rReplaceWith,
ReplacementAction eAction,
LanguageType *pNewUnitLanguage )
{
BOOL bOK = 0 <= nUnitStart && 0 <= nUnitEnd && nUnitStart <= nUnitEnd;
DBG_ASSERT( bOK, "invalid arguments" );
if (!bOK)
return;
static OUString aBracketedStart( C2U( "(" ) );
static OUString aBracketedEnd( C2U( ")" ) );
// select current unit
SelectNewUnit_impl( nUnitStart, nUnitEnd );
OUString aOrigTxt( pEditView->GetSelected() );
OUString aNewTxt( rReplaceWith );
String aNewOrigText;
switch (eAction)
{
case eExchange :
break;
case eReplacementBracketed :
(((aNewTxt = aOrigTxt) += aBracketedStart) += rReplaceWith) += aBracketedEnd;
break;
case eOriginalBracketed :
(((aNewTxt = rReplaceWith) += aBracketedStart) += aOrigTxt) += aBracketedEnd;
break;
case eReplacementAbove :
case eOriginalAbove :
case eReplacementBelow :
case eOriginalBelow :
DBG_ERROR( "Rubies not supported" );
break;
default:
DBG_ERROR( "unexpected case" );
}
nUnitOffset += (USHORT) (nUnitStart + aNewTxt.getLength() );
// remember current original language for kater use
ImpEditEngine *pImpEditEng = pEditView->GetImpEditEngine();
ESelection aOldSel = pEditView->GetSelection();
LanguageType nOldLang = pImpEditEng->GetLanguage( pImpEditEng->CreateSel( aOldSel ).Min() );
pEditView->InsertText( aNewTxt );
// change language and font if necessary
if (IsChinese( GetSourceLanguage() ))
{
DBG_ASSERT( GetTargetLanguage() == LANGUAGE_CHINESE_SIMPLIFIED || GetTargetLanguage() == LANGUAGE_CHINESE_TRADITIONAL,
"TextConvWrapper::ReplaceUnit : unexpected target language" );
ESelection aOldSel = pEditView->GetSelection();
ESelection aNewSel( aOldSel );
aNewSel.nStartPos -= (xub_StrLen) aNewTxt.getLength();
DBG_ASSERT( aOldSel.nEndPos >= 0, "error while building selection" );
pEditView->SetSelection( aNewSel );
// get new language
SfxItemSet aNewSet( pEditView->GetEmptyItemSet() );
if (pNewUnitLanguage)
{
DBG_ASSERT(!IsSimilarChinese( *pNewUnitLanguage, nOldLang ),
"similar language should not be changed!");
aNewSet.Put( SvxLanguageItem( *pNewUnitLanguage, EE_CHAR_LANGUAGE_CJK ) );
}
// new font to be set?
const Font *pTargetFont = GetTargetFont();
DBG_ASSERT( pTargetFont, "target font missing?" );
if (pTargetFont && pNewUnitLanguage)
{
SvxFontItem aFontItem = (SvxFontItem&) aNewSet.Get( EE_CHAR_FONTINFO_CJK );
aFontItem.GetFamilyName() = pTargetFont->GetName();
aFontItem.GetFamily() = pTargetFont->GetFamily();
aFontItem.GetStyleName() = pTargetFont->GetStyleName();
aFontItem.GetPitch() = pTargetFont->GetPitch();
aFontItem.GetCharSet() = pTargetFont->GetCharSet();
aNewSet.Put( aFontItem );
}
// set new language and font attributes
if (aNewSet.Count() > 0)
pEditView->SetAttribs( aNewSet );
pEditView->SetSelection( aOldSel );
}
// adjust ConvContinue / ConvTo if necessary
ImpEditEngine* pImpEE = pEditView->GetImpEditEngine();
ConvInfo* pConvInfo = pImpEE->GetConvInfo();
sal_Int32 nDelta = aNewTxt.getLength() - aOrigTxt.getLength();
if (nDelta != 0)
{
// Note: replacement is always done in the current paragraph
// which is the one ConvContinue points to
pConvInfo->aConvContinue.nIndex += (USHORT) nDelta;
// if that is the same as the one where the conversions ends
// the end needs to be updated also
if (pConvInfo->aConvTo.nPara == pConvInfo->aConvContinue.nPara)
pConvInfo->aConvTo.nIndex += (USHORT) nDelta;
}
}
void TextConvWrapper::Convert()
{
bStartChk = sal_False;
ConvStart_impl( SVX_SPELL_BODY_END );
ConvertDocument();
ConvEnd_impl();
}
sal_Bool TextConvWrapper::HasRubySupport() const
{
return sal_False;
}
//////////////////////////////////////////////////////////////////////
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