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koffice/kword/KWOasisLoader.cpp

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/* This file is part of the KDE project
Copyright (C) 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 "KWOasisLoader.h"
#include "KWDocument.h"
#include "KWTextDocument.h"
#include "KWTextFrameSet.h"
#include "KWFrameSet.h"
#include "KWPictureFrameSet.h"
#include "KWLoadingInfo.h"
#include "KWTableFrameSet.h"
#include "KWPartFrameSet.h"
#include "KWPageManager.h"
#include "KWFormulaFrameSet.h"
#include <KoStore.h>
#include <KoOasisContext.h>
#include <KoOasisStyles.h>
#include <KoOasisStore.h>
#include <KoOasisSettings.h>
#include <KoXmlNS.h>
#include <KoDom.h>
#include <KoXmlNS.h>
#include <kdebug.h>
#include <klocale.h>
#include <tqvaluelist.h>
#include <tqdom.h>
KWOasisLoader::KWOasisLoader( KWDocument* doc )
: m_doc( doc )
{
}
// Warning, this method has no undo/redo support, it is *called* by the undo/redo commands.
// cursor is set when pasting into a textframesetedit (kwcommand), 0 otherwise.
TQValueList<KWFrame *> KWOasisLoader::insertOasisData( KoStore* store, KoTextCursor* cursor )
{
TQValueList<KWFrame *> frames;
if ( store->bad() || !store->hasFile( "content.xml" ) )
{
kdError(32001) << "Invalid ZIP store in memory" << endl;
if ( !store->hasFile( "content.xml" ) )
kdError(32001) << "No content.xml file" << endl;
return frames;
}
store->disallowNameExpansion();
KoOasisStore oasisStore( store );
TQDomDocument contentDoc;
TQString errorMessage;
bool ok = oasisStore.loadAndParse( "content.xml", contentDoc, errorMessage );
if ( !ok ) {
kdError(32001) << "Error parsing content.xml: " << errorMessage << endl;
return frames;
}
KoOasisStyles oasisStyles;
TQDomDocument stylesDoc;
(void)oasisStore.loadAndParse( "styles.xml", stylesDoc, errorMessage );
// Load styles from style.xml
oasisStyles.createStyleMap( stylesDoc, true );
// Also load styles from content.xml
oasisStyles.createStyleMap( contentDoc, false );
m_doc->createLoadingInfo();
TQDomElement content = contentDoc.documentElement();
TQDomElement body( KoDom::namedItemNS( content, KoXmlNS::office, "body" ) );
if ( body.isNull() ) {
kdError(32001) << "No office:body found!" << endl;
return frames;
}
// We then want to use whichever element is the child of <office:body>,
// whether that's <office:text> or <office:presentation> or whatever.
TQDomElement iter, realBody;
forEachElement( iter, body ) {
realBody = iter;
}
if ( realBody.isNull() ) {
kdError(32001) << "No element found inside office:body!" << endl;
return frames;
}
KoOasisContext context( m_doc, *m_doc->variableCollection(), oasisStyles, store );
if ( cursor )
{
KWTextDocument * textdoc = static_cast<KWTextDocument *>(cursor->parag()->document());
KWTextFrameSet * textFs = textdoc->textFrameSet();
*cursor = textFs->textObject()->pasteOasisText( realBody, context, *cursor, m_doc->styleCollection() );
textFs->textObject()->setNeedSpellCheck( true );
}
else // No cursor available, load only the frames
{
// The main loop from KoTextDocument::loadOasisText but for frames only
// (can't paste text if there is no text-frameset being edited, where would it go?)
TQDomElement tag;
forEachElement( tag, realBody )
{
context.styleStack().save();
const TQString bodyTagLocalName = tag.localName();
kdDebug() << k_funcinfo << bodyTagLocalName << endl;
if ( bodyTagLocalName == "frame" && tag.namespaceURI() == KoXmlNS::draw )
{
KWFrame * frame = loadFrame( tag, context, KoPoint( 10, 10 ) /*offset pasted object*/ );
if ( frame )
{
frames.append( frame );
}
}
#if 0 // TODO OASIS table:table
else if ( bodyTagLocalName == "table" && tag.namespaceURI() == KoXmlNS::table )
;
#endif
}
}
//kdDebug() << "KWOasisLoader::execute calling doc->completePasting" << endl;
m_doc->completeOasisPasting();
m_doc->deleteLoadingInfo();
return frames;
}
void KWOasisLoader::loadOasisSettings( const TQDomDocument& settingsDoc )
{
KoOasisSettings settings( settingsDoc );
KoOasisSettings::Items viewSettings = settings.itemSet( "view-settings" );
if ( !viewSettings.isNull() )
{
m_doc->setUnit( KoUnit::unit(viewSettings.parseConfigItemString("unit")) );
}
loadOasisIgnoreList( settings );
m_doc->variableCollection()->variableSetting()->loadOasis( settings );
}
static TQString headerTypeToFramesetName( const TQString& localName, bool hasEvenOdd )
{
if ( localName == "header" )
return hasEvenOdd ? i18n("Odd Pages Header") : i18n( "Header" );
if ( localName == "header-left" )
return i18n("Even Pages Header");
if ( localName == "footer" )
return hasEvenOdd ? i18n("Odd Pages Footer") : i18n( "Footer" );
if ( localName == "footer-left" )
return i18n("Even Pages Footer");
if ( localName == "header-first" ) // NOT OASIS COMPLIANT
return i18n("First Page Header");
if ( localName == "footer-first" ) // NOT OASIS COMPLIANT
return i18n("First Page Footer");
kdWarning(32001) << "Unknown tag in headerTypeToFramesetName: " << localName << endl;
return TQString();
}
static KWFrameSet::Info headerTypeToFrameInfo( const TQString& localName, bool /*hasEvenOdd*/ )
{
if ( localName == "header" )
return KWFrameSet::FI_ODD_HEADER;
if ( localName == "header-left" )
return KWFrameSet::FI_EVEN_HEADER;
if ( localName == "footer" )
return KWFrameSet::FI_ODD_FOOTER;
if ( localName == "footer-left" )
return KWFrameSet::FI_EVEN_FOOTER;
// ######## KWord extension, because I'm too lazy.
// TODO: the real solution is a separate page tqlayout for the first page.
if ( localName == "header-first" ) // NOT OASIS COMPLIANT
return KWFrameSet::FI_FIRST_HEADER;
if ( localName == "footer-first" ) // NOT OASIS COMPLIANT
return KWFrameSet::FI_FIRST_FOOTER;
return KWFrameSet::FI_BODY;
}
void KWOasisLoader::loadOasisHeaderFooter( const TQDomElement& headerFooter, bool hasEvenOdd, TQDomElement& style, KoOasisContext& context )
{
const TQString localName = headerFooter.localName();
bool isHeader = localName.startsWith( "header" );
KWTextFrameSet *fs = new KWTextFrameSet( m_doc, headerTypeToFramesetName( localName, hasEvenOdd ) );
fs->setFrameSetInfo( headerTypeToFrameInfo( localName, hasEvenOdd ) );
m_doc->addFrameSet( fs, false );
if ( !style.isNull() )
context.styleStack().push( style );
KWFrame* frame = new KWFrame( fs, 29, isHeader?0:567, 798-29, 41 );
frame->loadCommonOasisProperties( context, fs, "header-footer" );
const TQString minHeight = context.styleStack().attributeNS( KoXmlNS::fo, "min-height" );
if ( !minHeight.isEmpty() )
frame->setMinimumFrameHeight( KoUnit::parseValue( minHeight ) );
frame->setFrameBehavior( KWFrame::AutoExtendFrame );
frame->setNewFrameBehavior( KWFrame::Copy );
fs->addFrame( frame );
if ( !style.isNull() )
context.styleStack().pop(); // don't let it be active when parsing the text
context.setUseStylesAutoStyles( true ); // use auto-styles from styles.xml, not those from content.xml
fs->loadOasisContent( headerFooter, context );
context.setUseStylesAutoStyles( false );
if ( isHeader )
m_doc->m_headerVisible = true;
else
m_doc->m_footerVisible = true;
}
void KWOasisLoader::loadOasisIgnoreList( const KoOasisSettings& settings )
{
KoOasisSettings::Items configurationSettings = settings.itemSet( "configuration-settings" );
if ( !configurationSettings.isNull() )
{
const TQString ignorelist = configurationSettings.parseConfigItemString( "SpellCheckerIgnoreList" );
kdDebug()<<" ignorelist :"<<ignorelist<<endl;
m_doc->setSpellCheckIgnoreList( TQStringList::split( ',', ignorelist ) );
}
}
KWFrame* KWOasisLoader::loadFrame( const TQDomElement& frameTag, KoOasisContext& context, const KoPoint& offset )
{
KWFrame* frame = 0;
TQDomElement elem;
forEachElement( elem, frameTag )
{
if ( elem.namespaceURI() != KoXmlNS::draw )
continue;
const TQString localName = elem.localName();
if ( localName == "text-box" )
{
//kdDebug()<<" append text-box\n";
frame = loadOasisTextBox( frameTag, elem, context );
break;
}
else if ( localName == "image" )
{
KWFrameSet* fs = new KWPictureFrameSet( m_doc, frameTag, elem, context );
m_doc->addFrameSet( fs, false );
frame = fs->frame(0);
break;
} else if ( localName == "object" )
{
TQDomElement mathElem; // will be set if we tqfind <math:math>
TQDomElement childElem;
forEachElement( childElem, elem )
{
if ( childElem.localName() == "math"
&& childElem.namespaceURI() == KoXmlNS::math ) {
mathElem = childElem;
}
}
if ( !mathElem.isNull() ) {
KWFormulaFrameSet* fs = new KWFormulaFrameSet( m_doc, frameTag, mathElem, context );
m_doc->addFrameSet( fs, false );
frame = fs->frame(0);
} else {
KWPartFrameSet* fs = new KWPartFrameSet( m_doc, frameTag, elem, context );
m_doc->addFrameSet( fs, false );
frame = fs->frame(0);
}
break;
}
}
if ( frame ) {
const TQString anchorType = frameTag.attributeNS( KoXmlNS::text, "anchor-type", TQString() );
if ( anchorType == "page" ) {
double x = KoUnit::parseValue( frameTag.attributeNS( KoXmlNS::svg, "x", TQString() ) );
double y = KoUnit::parseValue( frameTag.attributeNS( KoXmlNS::svg, "y", TQString() ) );
int pageNum = frameTag.attributeNS( KoXmlNS::text, "anchor-page-number", TQString() ).toInt();
// Ensure that we have enough pages
KWPageManager* pageManager = m_doc->pageManager();
while ( pageNum > pageManager->lastPageNumber() )
pageManager->appendPage();
frame->moveTopLeft( KoPoint( x, y + pageManager->topOfPage(pageNum) ) );
}
frame->moveBy( offset.x(), offset.y() );
}
return frame;
}
KWFrame* KWOasisLoader::loadOasisTextBox( const TQDomElement& frameTag, const TQDomElement& tag,
KoOasisContext& context )
{
// Text frame chains. When seeing frame 'B' is chained to this frame A when loading,
// we store 'B' -> A, so that when loading B we can add it to A's frameset.
// If we load B first, no problem: when loading A we can chain.
// This is all made simpler by the fact that we don't have manually configurable order in KWord...
// But it's made more complex by the fact that frames don't have names in KWord (framesets do).
// Hence the framename temporary storage in KWLoadingInfo
KWLoadingInfo* loadingInfo = m_doc->loadingInfo();
KWTextFrameSet* fs = 0;
TQString frameName = frameTag.attributeNS( KoXmlNS::draw, "name", TQString() );
TQString chainNextName = tag.attributeNS( KoXmlNS::draw, "chain-next-name", TQString() );
if ( !chainNextName.isEmpty() && loadingInfo ) { // 'B' in the above example
kdDebug(32001) << "Loading " << frameName << " : next-in-chain=" << chainNextName << endl;
// Check if we already loaded that frame (then we need to go 'before' it)
KWFrame* nextFrame = loadingInfo->frameByName( chainNextName );
if ( nextFrame ) {
fs = dynamic_cast<KWTextFrameSet *>( nextFrame->frameSet() );
chainNextName = TQString(); // already found, no need to store it
kdDebug(32001) << " found " << nextFrame << " -> frameset " << ( fs ? fs->name() : TQString() ) << endl;
}
}
KWFrame* prevFrame = loadingInfo->chainPrevFrame( frameName );
//kdDebug(32001) << "Loading " << frameName << " : chainPrevFrame=" << prevFrame << endl;
if ( prevFrame ) {
if ( fs ) // we are between prevFrame and nextFrame. They'd better be for the same fs!!
Q_ASSERT( fs == prevFrame->frameSet() );
fs = dynamic_cast<KWTextFrameSet *>( prevFrame->frameSet() );
//kdDebug(32001) << " found " << prevFrame << " -> frameset " << fs->name() << endl;
}
KWFrame* frame = 0;
if ( !fs ) {
fs = new KWTextFrameSet( m_doc, frameTag, context );
m_doc->addFrameSet( fs, false );
frame = fs->loadOasis( frameTag, tag, context );
} else { // Adding frame to existing frameset
context.styleStack().save();
context.fillStyleStack( frameTag, KoXmlNS::draw, "style-name", "graphic" ); // get the style for the graphics element
frame = fs->loadOasisTextFrame( frameTag, tag, context );
context.styleStack().restore();
}
loadingInfo->storeFrameName( frame, frameName );
if ( !chainNextName.isEmpty() ) {
loadingInfo->storeNextFrame( frame, chainNextName );
}
return frame;
}
KWTableFrameSet* KWOasisLoader::loadOasisTable( const TQDomElement& tag,
KoOasisContext& context )
{
const TQString name = tag.attributeNS( KoXmlNS::table, "name", i18n( "Unnamed Table" ) ); // ### check for unicity?
KWTableFrameSet* table = new KWTableFrameSet( m_doc, name );
table->loadOasis( tag, context );
m_doc->addFrameSet(table, false);
return table;
}
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