Files
libreoffice/editeng/source/editeng/textconv.cxx
Caolán McNamara 848c78ff19 drop useless temp debugging strings
Change-Id: I9adc765654cf15633a53576e620c13eddcdc3b82
2015-05-03 20:59:48 +01:00

568 lines
18 KiB
C++

/* -*- 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 <vcl/wrkwin.hxx>
#include <vcl/dialog.hxx>
#include <vcl/msgbox.hxx>
#include <vcl/svapp.hxx>
#include <impedit.hxx>
#include <editeng/editview.hxx>
#include <editeng/editeng.hxx>
#include <editeng/unolingu.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/Locale.hpp>
#include <editeng/langitem.hxx>
#include <editeng/fontitem.hxx>
#include <textconv.hxx>
using namespace com::sun::star;
using namespace com::sun::star::uno;
using namespace com::sun::star::beans;
using namespace com::sun::star::linguistic2;
TextConvWrapper::TextConvWrapper( vcl::Window* pWindow,
const Reference< XComponentContext >& rxContext,
const lang::Locale& rSourceLocale,
const lang::Locale& rTargetLocale,
const vcl::Font* pTargetFont,
sal_Int32 nOptions,
bool bIsInteractive,
bool bIsStart,
EditView* pView ) :
HangulHanjaConversion( pWindow, rxContext, rSourceLocale, rTargetLocale, pTargetFont, nOptions, bIsInteractive )
, m_nConvTextLang(LANGUAGE_NONE)
, m_nUnitOffset(0)
, m_nLastPos(0)
, m_aConvSel(pView->GetSelection())
, m_pEditView(pView)
, m_pWin(pWindow)
, m_bStartChk(false)
, m_bStartDone(bIsStart)
, m_bEndDone(false)
, m_bAllowChange(false)
{
DBG_ASSERT( pWindow, "TextConvWrapper: window missing" );
m_aConvSel.Adjust(); // make Start <= End
}
TextConvWrapper::~TextConvWrapper()
{
}
bool TextConvWrapper::ConvNext_impl()
{
// modified version of SvxSpellWrapper::SpellNext
if( m_bStartChk )
m_bStartDone = true;
else
m_bEndDone = true;
if ( m_bStartDone && m_bEndDone )
{
if ( ConvMore_impl() ) // examine another document?
{
m_bStartDone = true;
m_bEndDone = false;
ConvStart_impl( SVX_SPELL_BODY );
return true;
}
return false;
}
if ( m_bStartDone && m_bEndDone )
{
if ( ConvMore_impl() ) // examine another document?
{
m_bStartDone = true;
m_bEndDone = false;
ConvStart_impl( SVX_SPELL_BODY );
return true;
}
}
else if (!m_aConvSel.HasRange())
{
m_bStartChk = !m_bStartDone;
ConvStart_impl( m_bStartChk ? SVX_SPELL_BODY_START : SVX_SPELL_BODY_END );
return true;
}
return false;
}
bool TextConvWrapper::FindConvText_impl()
{
// modified version of SvxSpellWrapper::FindSpellError
bool bFound = false;
m_pWin->EnterWait();
bool bConvert = true;
while ( bConvert )
{
bFound = ConvContinue_impl();
if (bFound)
{
bConvert = false;
}
else
{
bConvert = ConvNext_impl();
}
}
m_pWin->LeaveWait();
return bFound;
}
bool TextConvWrapper::ConvMore_impl()
{
// modified version of SvxSpellWrapper::SpellMore
bool bMore = false;
EditEngine* pEE = m_pEditView->GetEditEngine();
ImpEditEngine* pImpEE = m_pEditView->GetImpEditEngine();
ConvInfo* pConvInfo = pImpEE->GetConvInfo();
if ( pConvInfo->bMultipleDoc )
{
bMore = pEE->ConvertNextDocument();
if ( bMore )
{
// The text has been entered in this engine ...
m_pEditView->GetImpEditView()->SetEditSelection(
pEE->GetEditDoc().GetStartPaM() );
}
}
return bMore;
}
void TextConvWrapper::ConvStart_impl( SvxSpellArea eArea )
{
// modified version of EditSpellWrapper::SpellStart
EditEngine* pEE = m_pEditView->GetEditEngine();
ImpEditEngine* pImpEE = m_pEditView->GetImpEditEngine();
ConvInfo* pConvInfo = pImpEE->GetConvInfo();
if ( eArea == SVX_SPELL_BODY_START )
{
// Is called when Spell-forward has reached the end, and to start over
if ( m_bEndDone )
{
pConvInfo->bConvToEnd = false;
pConvInfo->aConvTo = pConvInfo->aConvStart;
pConvInfo->aConvContinue = EPaM( 0, 0 );
m_pEditView->GetImpEditView()->SetEditSelection(
pEE->GetEditDoc().GetStartPaM() );
}
else
{
pConvInfo->bConvToEnd = true;
pConvInfo->aConvTo = pImpEE->CreateEPaM(
pEE->GetEditDoc().GetStartPaM() );
}
}
else if ( eArea == SVX_SPELL_BODY_END )
{
// Is called when Spell-forward starts
pConvInfo->bConvToEnd = true;
if (m_aConvSel.HasRange())
{
// user selection: convert to end of selection
pConvInfo->aConvTo.nPara = m_aConvSel.nEndPara;
pConvInfo->aConvTo.nIndex = m_aConvSel.nEndPos;
pConvInfo->bConvToEnd = false;
}
else
{
// nothing selected: convert to end of document
pConvInfo->aConvTo = pImpEE->CreateEPaM(
pEE->GetEditDoc().GetEndPaM() );
}
}
else if ( eArea == SVX_SPELL_BODY )
{
// called by ConvNext_impl...
pConvInfo->aConvContinue = pConvInfo->aConvStart;
pConvInfo->aConvTo = pImpEE->CreateEPaM(
pEE->GetEditDoc().GetEndPaM() );
}
else
{
OSL_FAIL( "ConvStart_impl: Unknown Area!" );
}
}
bool TextConvWrapper::ConvContinue_impl()
{
// modified version of EditSpellWrapper::SpellContinue
// get next convertible text portion and its language
m_aConvText.clear();
m_nConvTextLang = LANGUAGE_NONE;
m_pEditView->GetImpEditEngine()->ImpConvert( m_aConvText, m_nConvTextLang,
m_pEditView, GetSourceLanguage(), m_aConvSel,
m_bAllowChange, GetTargetLanguage(), GetTargetFont() );
return !m_aConvText.isEmpty();
}
void TextConvWrapper::SetLanguageAndFont( const ESelection &rESel,
LanguageType nLang, sal_uInt16 nLangWhichId,
const vcl::Font *pFont, sal_uInt16 nFontWhichId )
{
ESelection aOldSel = m_pEditView->GetSelection();
m_pEditView->SetSelection( rESel );
// set new language attribute
SfxItemSet aNewSet( m_pEditView->GetEmptyItemSet() );
aNewSet.Put( SvxLanguageItem( nLang, nLangWhichId ) );
// new font to be set?
DBG_ASSERT( pFont, "target font missing?" );
if (pFont)
{
// set new font attribute
SvxFontItem aFontItem = static_cast<const SvxFontItem&>( aNewSet.Get( nFontWhichId ) );
aFontItem.SetFamilyName( pFont->GetName());
aFontItem.SetFamily( pFont->GetFamily());
aFontItem.SetStyleName( pFont->GetStyleName());
aFontItem.SetPitch( pFont->GetPitch());
aFontItem.SetCharSet(pFont->GetCharSet());
aNewSet.Put( aFontItem );
}
// apply new attributes
m_pEditView->SetAttribs( aNewSet );
m_pEditView->SetSelection( aOldSel );
}
void TextConvWrapper::SelectNewUnit_impl(
const sal_Int32 nUnitStart,
const sal_Int32 nUnitEnd )
{
const bool bOK = 0 <= nUnitStart && 0 <= nUnitEnd && nUnitStart <= nUnitEnd;
DBG_ASSERT( bOK, "invalid arguments" );
if (!bOK)
return;
ESelection aSelection = m_pEditView->GetSelection();
DBG_ASSERT( aSelection.nStartPara == aSelection.nEndPara,
"paragraph mismatch in selection" );
aSelection.nStartPos = (m_nLastPos + m_nUnitOffset + nUnitStart);
aSelection.nEndPos = (m_nLastPos + m_nUnitOffset + nUnitEnd);
m_pEditView->SetSelection( aSelection );
}
void TextConvWrapper::GetNextPortion(
OUString& /* [out] */ rNextPortion,
LanguageType& /* [out] */ rLangOfPortion,
bool /* [in] */ _bAllowImplicitChangesForNotConvertibleText )
{
m_bAllowChange = _bAllowImplicitChangesForNotConvertibleText;
FindConvText_impl();
rNextPortion = m_aConvText;
rLangOfPortion = m_nConvTextLang;
m_nUnitOffset = 0;
ESelection aSelection = m_pEditView->GetSelection();
DBG_ASSERT( aSelection.nStartPara == aSelection.nEndPara,
"paragraph mismatch in selection" );
DBG_ASSERT( aSelection.nStartPos <= aSelection.nEndPos,
"start pos > end pos" );
m_nLastPos = aSelection.nStartPos;
}
void TextConvWrapper::HandleNewUnit(
const sal_Int32 nUnitStart,
const sal_Int32 nUnitEnd )
{
SelectNewUnit_impl( nUnitStart, nUnitEnd );
}
#ifdef DBG_UTIL
namespace
{
bool IsSimilarChinese( LanguageType nLang1, LanguageType nLang2 )
{
using namespace editeng;
return (HangulHanjaConversion::IsTraditional(nLang1) && HangulHanjaConversion::IsTraditional(nLang2)) ||
(HangulHanjaConversion::IsSimplified(nLang1) && HangulHanjaConversion::IsSimplified(nLang2));
}
}
#endif
void TextConvWrapper::ReplaceUnit(
const sal_Int32 nUnitStart, const sal_Int32 nUnitEnd,
const OUString& rOrigText,
const OUString& rReplaceWith,
const ::com::sun::star::uno::Sequence< sal_Int32 > &rOffsets,
ReplacementAction eAction,
LanguageType *pNewUnitLanguage )
{
const bool bOK = 0 <= nUnitStart && 0 <= nUnitEnd && nUnitStart <= nUnitEnd;
DBG_ASSERT( bOK, "invalid arguments" );
if (!bOK)
return;
// select current unit
SelectNewUnit_impl( nUnitStart, nUnitEnd );
OUString aOrigTxt( m_pEditView->GetSelected() );
OUString aNewTxt( rReplaceWith );
switch (eAction)
{
case eExchange :
break;
case eReplacementBracketed :
aNewTxt = aOrigTxt + "(" + rReplaceWith + ")";
break;
case eOriginalBracketed :
aNewTxt = rReplaceWith + "(" + aOrigTxt + ")";
break;
case eReplacementAbove :
case eOriginalAbove :
case eReplacementBelow :
case eOriginalBelow :
OSL_FAIL( "Rubies not supported" );
break;
default:
OSL_FAIL( "unexpected case" );
}
m_nUnitOffset = m_nUnitOffset + nUnitStart + aNewTxt.getLength();
// remember current original language for later use
ImpEditEngine *pImpEditEng = m_pEditView->GetImpEditEngine();
ESelection aOldSel = m_pEditView->GetSelection();
//EditSelection aOldEditSel = pEditView->GetImpEditView()->GetEditSelection();
#ifdef DBG_UTIL
LanguageType nOldLang = pImpEditEng->GetLanguage( pImpEditEng->CreateSel( aOldSel ).Min() );
#endif
pImpEditEng->UndoActionStart( EDITUNDO_INSERT );
// according to FT we should currently not bother about keeping
// attributes in Hangul/Hanja conversion and leave that untouched.
// Thus we do this only for Chinese translation...
bool bIsChineseConversion = IsChinese( GetSourceLanguage() );
if (bIsChineseConversion)
ChangeText( aNewTxt, rOrigText, &rOffsets, &aOldSel );
else
ChangeText( aNewTxt, rOrigText, NULL, NULL );
// change language and font if necessary
if (bIsChineseConversion)
{
DBG_ASSERT( GetTargetLanguage() == LANGUAGE_CHINESE_SIMPLIFIED || GetTargetLanguage() == LANGUAGE_CHINESE_TRADITIONAL,
"TextConvWrapper::ReplaceUnit : unexpected target language" );
ESelection aNewSel( aOldSel );
aNewSel.nStartPos = aNewSel.nStartPos - aNewTxt.getLength();
if (pNewUnitLanguage)
{
DBG_ASSERT(!IsSimilarChinese( *pNewUnitLanguage, nOldLang ),
"similar language should not be changed!");
SetLanguageAndFont( aNewSel, *pNewUnitLanguage, EE_CHAR_LANGUAGE_CJK,
GetTargetFont(), EE_CHAR_FONTINFO_CJK );
}
}
pImpEditEng->UndoActionEnd( EDITUNDO_INSERT );
// adjust ConvContinue / ConvTo if necessary
ImpEditEngine* pImpEE = m_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 = pConvInfo->aConvContinue.nIndex + 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 = pConvInfo->aConvTo.nIndex + nDelta;
}
}
void TextConvWrapper::ChangeText( const OUString &rNewText,
const OUString& rOrigText,
const uno::Sequence< sal_Int32 > *pOffsets,
ESelection *pESelection )
{
//!! code is a modified copy of SwHHCWrapper::ChangeText from sw !!
DBG_ASSERT( !rNewText.isEmpty(), "unexpected empty string" );
if (rNewText.isEmpty())
return;
if (pOffsets && pESelection) // try to keep as much attributation as possible ?
{
pESelection->Adjust();
// remember cursor start position for later setting of the cursor
const sal_Int32 nStartIndex = pESelection->nStartPos;
const sal_Int32 nIndices = pOffsets->getLength();
const sal_Int32 *pIndices = pOffsets->getConstArray();
const sal_Int32 nConvTextLen = rNewText.getLength();
sal_Int32 nPos = 0;
sal_Int32 nChgPos = -1;
sal_Int32 nConvChgPos = -1;
// offset to calculate the position in the text taking into
// account that text may have been replaced with new text of
// different length. Negative values allowed!
sal_Int32 nCorrectionOffset = 0;
DBG_ASSERT(nIndices == 0 || nIndices == nConvTextLen,
"mismatch between string length and sequence length!" );
// find all substrings that need to be replaced (and only those)
while (true)
{
// get index in original text that matches nPos in new text
sal_Int32 nIndex;
if (nPos < nConvTextLen)
nIndex = nPos < nIndices ? pIndices[nPos] : nPos;
else
{
nPos = nConvTextLen;
nIndex = rOrigText.getLength();
}
// end of string also terminates non-matching char sequence
if (nPos == nConvTextLen || rOrigText[nIndex] == rNewText[nPos])
{
// substring that needs to be replaced found?
if (nChgPos>=0 && nConvChgPos>=0)
{
const sal_Int32 nChgLen = nIndex - nChgPos;
const sal_Int32 nConvChgLen = nPos - nConvChgPos;
OUString aInNew( rNewText.copy( nConvChgPos, nConvChgLen ) );
// set selection to sub string to be replaced in original text
ESelection aSel( *pESelection );
sal_Int32 nChgInNodeStartIndex = nStartIndex + nCorrectionOffset + nChgPos;
aSel.nStartPos = nChgInNodeStartIndex;
aSel.nEndPos = nChgInNodeStartIndex + nChgLen;
m_pEditView->SetSelection( aSel );
// replace selected sub string with the corresponding
// sub string from the new text while keeping as
// much from the attributes as possible
ChangeText_impl( aInNew, true );
nCorrectionOffset += nConvChgLen - nChgLen;
nChgPos = -1;
nConvChgPos = -1;
}
}
else
{
// begin of non-matching char sequence found ?
if (nChgPos<0 && nConvChgPos<0)
{
nChgPos = nIndex;
nConvChgPos = nPos;
}
}
if (nPos >= nConvTextLen)
break;
++nPos;
}
// set cursor to the end of the inserted text
// (as it would happen after ChangeText_impl (Delete and Insert)
// of the whole text in the 'else' branch below)
pESelection->nStartPos = pESelection->nEndPos = nStartIndex + nConvTextLen;
}
else
{
ChangeText_impl( rNewText, false );
}
}
void TextConvWrapper::ChangeText_impl( const OUString &rNewText, bool bKeepAttributes )
{
if (bKeepAttributes)
{
// save attributes to be restored
SfxItemSet aSet( m_pEditView->GetAttribs() );
// replace old text and select new text
m_pEditView->InsertText( rNewText, true );
// since 'SetAttribs' below function like merging with the attributes
// from the itemset with any existing ones we have to get rid of all
// all attributes now. (Those attributes that may take effect left
// to the position where the new text gets inserted after the old text
// was deleted)
m_pEditView->RemoveAttribs();
// apply saved attributes to new inserted text
m_pEditView->SetAttribs( aSet );
}
else
{
m_pEditView->InsertText( rNewText );
}
}
void TextConvWrapper::Convert()
{
m_bStartChk = false;
ConvStart_impl( SVX_SPELL_BODY_END );
ConvertDocument();
}
bool TextConvWrapper::HasRubySupport() const
{
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */