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koffice/lib/kotext/KoStyleCollection.cpp

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/* This file is part of the KDE project
Copyright (C) 2001 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 as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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 "KoStyleCollection.h"
#include "KoOasisContext.h"
#include "KoParagCounter.h"
#include <KoOasisStyles.h>
#include <KoGenStyles.h>
#include <KoXmlWriter.h>
#include <KoXmlNS.h>
#include <kdebug.h>
#include <klocale.h>
#include <tqdom.h>
KoStyleCollection::KoStyleCollection()
: KoUserStyleCollection( "paragsty" )
{
}
KoStyleCollection::~KoStyleCollection()
{
}
int KoStyleCollection::loadOasisStyles( KoOasisContext& context )
{
TQStringList followingStyles;
TQValueVector<TQDomElement> userStyles = context.oasisStyles().userStyles();
bool defaultStyleDeleted = false;
int stylesLoaded = 0;
const unsigned int nStyles = userStyles.count();
for (unsigned int item = 0; item < nStyles; item++) {
TQDomElement styleElem = userStyles[item];
Q_ASSERT( !styleElem.isNull() );
if ( styleElem.attributeNS( KoXmlNS::style, "family", TQString() ) != "paragraph" )
continue;
if( !defaultStyleDeleted ) { // we are going to import at least one style.
KoParagStyle *s = defaultStyle();
//kdDebug() << "loadOasisStyles looking for Standard, to delete it. Found " << s << endl;
if(s) // delete the standard style.
removeStyle(s);
defaultStyleDeleted = true;
}
KoParagStyle *sty = new KoParagStyle( TQString() );
// Load the style
sty->loadStyle( styleElem, context );
// Style created, now let's try to add it
const int oldStyleCount = count();
sty = addStyle( sty );
// the real value of followingStyle is set below after loading all styles
sty->setFollowingStyle( sty );
kdDebug() << " Loaded style " << sty->name() << endl;
if ( count() > oldStyleCount )
{
const TQString following = styleElem.attributeNS( KoXmlNS::style, "next-style-name", TQString() );
followingStyles.append( following );
++stylesLoaded;
}
else
kdWarning() << "Found duplicate style declaration, overwriting former " << sty->name() << endl;
}
if( followingStyles.count() != styleList().count() ) {
kdDebug() << "Ouch, " << followingStyles.count() << " following-styles, but "
<< styleList().count() << " styles in styleList" << endl;
}
unsigned int i=0;
for( TQValueList<TQString>::ConstIterator it = followingStyles.begin(); it != followingStyles.end(); ++it, ++i ) {
const TQString followingStyleName = *it;
if ( !followingStyleName.isEmpty() ) {
KoParagStyle * style = findStyle( followingStyleName );
if ( style )
styleAt(i)->setFollowingStyle( style );
}
}
// TODO the same thing for style inheritance (style:parent-style-name) and setParentStyle()
Q_ASSERT( defaultStyle() );
return stylesLoaded;
}
void KoStyleCollection::saveOasis( KoGenStyles& styles, int styleType, KoSavingContext& context ) const
{
// In order to reduce the bloat, we define that the first style (usually Standard)
// is the "parent" (reference) for the others.
// ## This is mostly a hack due to lack of proper style inheritance.
// Once that's implemented, default to 'styles derive from Standard', but save normally.
TQString refStyleName;
for ( TQValueList<KoUserStyle *>::const_iterator styleIt = m_styleList.begin(), styleEnd = m_styleList.end() ; styleIt != styleEnd ; ++styleIt ) {
KoParagStyle* style = static_cast<KoParagStyle *>( *styleIt );
style->saveStyle( styles, styleType, refStyleName, context );
kdDebug() << k_funcinfo << "Saved style " << style->displayName() << " to OASIS format as " << style->name() << endl;
if ( refStyleName.isEmpty() ) // i.e. first style
refStyleName = style->name();
}
// Now edit the kogenstyle and set the next-style-name. This works here
// because the style's m_name is already unique so there's no risk of
// "two styles being only different due to their following-style"; the
// display-name will also be different, and will ensure they get two kogenstyles.
for ( TQValueList<KoUserStyle *>::const_iterator styleIt = m_styleList.begin(), styleEnd = m_styleList.end() ; styleIt != styleEnd ; ++styleIt ) {
KoParagStyle* style = static_cast<KoParagStyle *>( *styleIt );
if ( style->followingStyle() && style->followingStyle() != style ) {
const TQString fsname = style->followingStyle()->name();
KoGenStyle* gs = styles.styleForModification( style->name() );
Q_ASSERT( gs );
if ( gs )
gs->addAttribute( "style:next-style-name", fsname );
}
}
}
void KoStyleCollection::importStyles( const KoStyleCollection& styleCollection )
{
const TQValueList<KoUserStyle *> styles = styleCollection.styleList();
TQMap<TQString, TQString> followStyle;
for ( TQValueList<KoUserStyle *>::const_iterator styleIt = styles.begin(), styleEnd = styles.end() ; styleIt != styleEnd ; ++styleIt ) {
KoParagStyle* p = static_cast<KoParagStyle *>( *styleIt );
KoParagStyle* style = new KoParagStyle( *p );
if ( style->followingStyle() ) {
followStyle.insert( style->name(), style->followingStyle()->name() );
}
style = addStyle( style );
}
TQMapIterator<TQString, TQString> itFollow = followStyle.begin();
for ( ; itFollow != followStyle.end(); ++itFollow )
{
KoParagStyle * style = findStyle(itFollow.key());
const TQString followingStyleName = followStyle[ itFollow.key() ];
KoParagStyle * styleFollow = findStyle(followingStyleName);
//kdDebug() << " " << style << " " << itFollow.key() << ": followed by " << styleFollow << " (" << followingStyleName << ")" << endl;
Q_ASSERT(styleFollow);
if ( styleFollow )
style->setFollowingStyle( styleFollow );
else
style->setFollowingStyle( style );
}
}
void KoStyleCollection::saveOasisOutlineStyles( KoXmlWriter& writer ) const
{
bool first = true;
TQValueVector<KoParagStyle *> styles = outlineStyles();
for ( int i = 0 ; i < 10 ; ++i ) {
if ( styles[i] ) {
if ( first ) {
writer.startElement( "text:outline-style" );
first = false;
}
writer.startElement( "text:outline-level-style" );
styles[i]->paragLayout().counter->saveOasisListLevel( writer, true, true );
writer.endElement();
}
}
if ( !first )
writer.endElement(); // text:outline-style
}
TQValueVector<KoParagStyle *> KoStyleCollection::outlineStyles() const
{
TQValueVector<KoParagStyle *> lst( 10, 0 );
for ( int i = 0 ; i < 10 ; ++i ) {
KoParagStyle* style = outlineStyleForLevel( i );
if ( style )
lst[i] = style;
}
return lst;
}
KoParagStyle* KoStyleCollection::outlineStyleForLevel( int level ) const
{
for ( TQValueList<KoUserStyle *>::const_iterator styleIt = m_styleList.begin(), styleEnd = m_styleList.end() ; styleIt != styleEnd ; ++styleIt ) {
KoParagStyle* style = static_cast<KoParagStyle *>( *styleIt );
if ( style->isOutline() && style->paragLayout().counter )
{
int styleLevel = style->paragLayout().counter->depth();
if ( styleLevel == level )
return style;
}
}
return 0;
}
KoParagStyle* KoStyleCollection::numberedStyleForLevel( int level ) const
{
for ( TQValueList<KoUserStyle *>::const_iterator styleIt = m_styleList.begin(), styleEnd = m_styleList.end() ; styleIt != styleEnd ; ++styleIt ) {
KoParagStyle* style = static_cast<KoParagStyle *>( *styleIt );
KoParagCounter* counter = style->paragLayout().counter;
if ( !style->isOutline() && counter
&& counter->numbering() != KoParagCounter::NUM_NONE
&& !counter->isBullet() )
{
int styleLevel = counter->depth();
if ( styleLevel == level )
return style;
}
}
return 0;
}
KoParagStyle* KoStyleCollection::defaultStyle() const
{
return findStyle( "Standard" ); // includes the fallback to first style
}
#ifndef NDEBUG
void KoStyleCollection::printDebug() const
{
for ( TQValueList<KoUserStyle *>::const_iterator styleIt = m_styleList.begin(), styleEnd = m_styleList.end() ; styleIt != styleEnd ; ++styleIt ) {
KoParagStyle* style = static_cast<KoParagStyle *>( *styleIt );
// short version:
// kdDebug() << style << " " << style->name() << " " << style->displayName() << " followingStyle=" << style->followingStyle() << endl;
kdDebug() << "Style " << style << " " << style->name() << " isOutline=" << style->isOutline() << endl;
kdDebug() << " format: " << style->format().key() <<endl;
static const char * const s_align[] = { "Auto", "Left", "Right", "ERROR", "HCenter", "ERR", "ERR", "ERR", "Justify", };
kdDebug() << " align: " << s_align[(TQt::AlignmentFlags)style->paragLayout().alignment] << endl;
if ( style->paragLayout().counter )
kdDebug() << " counter level=" << style->paragLayout().counter->depth() << endl;
kdDebug() << " following style: " << style->followingStyle() << " "
<< ( style->followingStyle() ? style->followingStyle()->name() : TQString() ) << endl;
}
}
#endif