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koffice/lib/kotext/KoParagStyle.cpp

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/* This file is part of the KDE project
Copyright (C) 2001-2005 David Faure <faure@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "KoParagStyle.h"
#include "KoOasisContext.h"
#include "KoParagCounter.h"
#include <KoGenStyles.h>
#include <KoXmlWriter.h>
#include <KoXmlNS.h>
#include <kdebug.h>
#include <klocale.h>
#include <tqdom.h>
KoCharStyle::KoCharStyle( const TQString & name )
: KoUserStyle( name )
{
}
const KoTextFormat & KoCharStyle::format() const
{
return m_format;
}
KoTextFormat & KoCharStyle::format()
{
return m_format;
}
///////////////////////////
KoParagStyle::KoParagStyle( const TQString & name )
: KoCharStyle( name )
{
m_followingStyle = this;
// This way, KoTextParag::setParagLayout also sets the style pointer, to this style
m_paragLayout.style = this;
m_parentStyle = 0L;
m_inheritedParagLayoutFlag = 0;
m_inheritedFormatFlag = 0;
m_bOutline = false;
}
KoParagStyle::KoParagStyle( const KoParagStyle & rhs )
: KoCharStyle( rhs)
{
*this = rhs;
}
KoParagStyle::~KoParagStyle()
{
}
void KoParagStyle::operator=( const KoParagStyle &rhs )
{
KoCharStyle::operator=( rhs );
m_paragLayout = rhs.m_paragLayout;
m_followingStyle = rhs.m_followingStyle;
m_paragLayout.style = this; // must always be "this"
m_parentStyle = rhs.m_parentStyle;
m_inheritedParagLayoutFlag = rhs.m_inheritedParagLayoutFlag;
m_inheritedFormatFlag = rhs.m_inheritedFormatFlag;
m_bOutline = rhs.m_bOutline;
}
void KoParagStyle::setFollowingStyle( KoParagStyle *fst )
{
m_followingStyle = fst;
}
void KoParagStyle::saveStyle( TQDomElement & parentElem )
{
m_paragLayout.saveParagLayout( parentElem, m_paragLayout.alignment );
if ( followingStyle() )
{
TQDomElement element = parentElem.ownerDocument().createElement( "FOLLOWING" );
parentElem.appendChild( element );
element.setAttribute( "name", followingStyle()->displayName() );
}
// TODO save parent style, and inherited flags.
parentElem.setAttribute( "outline", m_bOutline ? "true" : "false" );
}
void KoParagStyle::loadStyle( TQDomElement & parentElem, int docVersion )
{
KoParagLayout layout;
KoParagLayout::loadParagLayout( layout, parentElem, docVersion );
// This way, KoTextParag::setParagLayout also sets the style pointer, to this style
layout.style = this;
m_paragLayout = layout;
// Load name
TQDomElement nameElem = parentElem.namedItem("NAME").toElement();
if ( !nameElem.isNull() ) {
m_name = nameElem.attribute("value");
m_displayName = i18n( "Style name", m_name.utf8() );
} else
kdWarning() << "No NAME tag in LAYOUT -> no name for this style!" << endl;
// The followingStyle stuff has to be done after loading all styles.
m_bOutline = parentElem.attribute( "outline" ) == "true";
}
void KoParagStyle::loadStyle( TQDomElement & styleElem, KoOasisContext& context )
{
// Load name
m_name = styleElem.attributeNS( KoXmlNS::style, "name", TQString() );
m_displayName = styleElem.attributeNS( KoXmlNS::style, "display-name", TQString() );
if ( m_displayName.isEmpty() )
m_displayName = m_name;
// OOo hack
//m_bOutline = m_name.startsWith( "Heading" );
// real OASIS solution:
m_bOutline = styleElem.hasAttributeNS( KoXmlNS::style, "default-outline-level" );
context.styleStack().save();
context.addStyles( &styleElem, "paragraph" ); // Load all parents - only because we don't support inheritance.
KoParagLayout layout;
KoParagLayout::loadOasisParagLayout( layout, context );
// loadOasisParagLayout doesn't load the counter. It's modelled differently for parags and for styles.
int level = 0;
bool listOK = false;
const TQString listStyleName = styleElem.attributeNS( KoXmlNS::style, "list-style-name", TQString() );
if ( m_bOutline ) {
level = styleElem.attributeNS( KoXmlNS::style, "default-outline-level", TQString() ).toInt(); // 1-based
listOK = context.pushOutlineListLevelStyle( level );
// allow overriding the outline numbering, see http://lists.oasis-open.org/archives/office/200310/msg00033.html
if ( !listStyleName.isEmpty() )
context.pushListLevelStyle( listStyleName, level );
}
else {
// ######## BIG difference here. In the OOo/OASIS format, one list style has infos for 10 list levels...
// ###### so we can't know a level at this point...
// The only solution I can think of, to preserve document content when importing OO but
// not necessarily the styles used when editing, is:
// 1) when importing from OOo, convert each non-heading style with numbering
// into 10 kotext styles (at least those used by the document) [TODO]
// 2) for KWord's own loading/saving, to add a hack into the file format, say
// style:default-level.
// Note that default-level defaults to "1", i.e. works for non-nested OOo lists too.
level = styleElem.attributeNS( KoXmlNS::style, "default-level", "1" ).toInt(); // 1-based
listOK = !listStyleName.isEmpty();
if ( listOK )
listOK = context.pushListLevelStyle( listStyleName, level );
}
if ( listOK ) {
const TQDomElement listStyle = context.listStyleStack().currentListStyle();
// The tag is either text:list-level-style-number or text:list-level-style-bullet
const bool ordered = listStyle.localName() == "list-level-style-number";
Q_ASSERT( !layout.counter );
layout.counter = new KoParagCounter;
layout.counter->loadOasis( context, -1, ordered, m_bOutline, level, true );
context.listStyleStack().pop();
}
// This way, KoTextParag::setParagLayout also sets the style pointer, to this style
layout.style = this;
m_paragLayout = layout;
m_format.load( context );
context.styleStack().restore();
}
TQString KoParagStyle::saveStyle( KoGenStyles& genStyles, int styleType, const TQString& parentStyleName, KoSavingContext& context ) const
{
KoGenStyle gs( styleType, "paragraph", parentStyleName );
gs.addAttribute( "style:display-name", m_displayName );
if ( m_paragLayout.counter ) {
if ( m_bOutline )
gs.addAttribute( "style:default-outline-level", (int)m_paragLayout.counter->depth() + 1 );
else if ( m_paragLayout.counter->depth() )
// ### kword-specific attribute, see loadOasis
gs.addAttribute( "style:default-level", (int)m_paragLayout.counter->depth() + 1 );
if ( m_paragLayout.counter->numbering() != KoParagCounter::NUM_NONE &&
m_paragLayout.counter->style() != KoParagCounter::STYLE_NONE )
{
KoGenStyle listStyle( KoGenStyle::STYLE_LIST /*, no family*/ );
m_paragLayout.counter->saveOasis( listStyle, true );
// This display-name will probably look nicer in OO, but this also means
// no re-use possible between list styles...
listStyle.addAttribute( "style:display-name",
i18n( "Numbering Style for %1" ).arg( m_displayName ) );
TQString autoListStyleName = genStyles.lookup( listStyle, "L", KoGenStyles::ForceNumbering );
gs.addAttribute( "style:list-style-name", autoListStyleName );
}
}
m_paragLayout.saveOasis( gs, context, true );
m_format.save( gs, context );
// try to preserve existing internal name, if it looks adequate (no spaces)
// ## TODO: check XML-Schemacs NCName conformity
bool nameIsConform = !m_name.isEmpty() && m_name.find( ' ' ) == -1;
TQString newName;
if ( nameIsConform )
newName = genStyles.lookup( gs, m_name, KoGenStyles::DontForceNumbering );
else
newName = genStyles.lookup( gs, "U", KoGenStyles::ForceNumbering );
const_cast<KoParagStyle*>( this )->m_name = newName;
return m_name;
}
const KoParagLayout & KoParagStyle::paragLayout() const
{
return m_paragLayout;
}
KoParagLayout & KoParagStyle::paragLayout()
{
return m_paragLayout;
}
void KoParagStyle::propagateChanges( int paragLayoutFlag, int /*formatFlag*/ )
{
if ( !m_parentStyle )
return;
if ( !(paragLayoutFlag & KoParagLayout::Alignment) )
m_paragLayout.alignment = m_parentStyle->paragLayout().alignment;
if ( !(paragLayoutFlag & KoParagLayout::Margins) )
for ( int i = 0 ; i < 5 ; ++i )
m_paragLayout.margins[i] = m_parentStyle->paragLayout().margins[i];
if ( !(paragLayoutFlag & KoParagLayout::LineSpacing) )
{
m_paragLayout.setLineSpacingValue(m_parentStyle->paragLayout().lineSpacingValue());
m_paragLayout.lineSpacingType = m_parentStyle->paragLayout().lineSpacingType;
}
if ( !(paragLayoutFlag & KoParagLayout::Borders) )
{
m_paragLayout.leftBorder = m_parentStyle->paragLayout().leftBorder;
m_paragLayout.rightBorder = m_parentStyle->paragLayout().rightBorder;
m_paragLayout.topBorder = m_parentStyle->paragLayout().topBorder;
m_paragLayout.bottomBorder = m_parentStyle->paragLayout().bottomBorder;
m_paragLayout.joinBorder = m_parentStyle->paragLayout().joinBorder;
}
if ( !(paragLayoutFlag & KoParagLayout::BulletNumber) )
m_paragLayout.counter = m_parentStyle->paragLayout().counter;
if ( !(paragLayoutFlag & KoParagLayout::Tabulator) )
m_paragLayout.setTabList(m_parentStyle->paragLayout().tabList());
#if 0
if ( paragLayoutFlag == KoParagLayout::All )
{
setDirection( static_cast<TQChar::Direction>(layout.direction) );
// Don't call applyStyle from here, it would overwrite any paragraph-specific settings
setStyle( layout.style );
}
#endif
// TODO a flag for the "is outline" bool? Otherwise we have no way to inherit
// that property (and possibly reset it).
}
void KoParagStyle::setOutline( bool b )
{
m_bOutline = b;
}