File indexing completed on 2024-05-12 16:29:17

 /* This file is part of the KDE project
  *
  * Copyright (C) 2013 Inge Wallin <inge@lysator.liu.se>
  *
  * 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.
  */
 
 // Own
 #include "KoOdfStyleManager.h"
 
 // Qt
 #include <QHash>
 #include <QString>
 #include <QPair>
 
 // odf lib
 #include "KoStore.h"
 #include <KoXmlStreamReader.h>
 #include <KoXmlNS.h>
 #include <KoXmlWriter.h>
 
 #include "KoOdfStyle.h"
 #include "KoOdfListStyle.h"
 #include "Odf2Debug.h"
 
 
 // ================================================================
 //                 class KoOdfStyleManager
 
 
 class Q_DECL_HIDDEN KoOdfStyleManager::Private
 {
 public:
     Private() {};
 
     QHash<QPair<QString, QString>, KoOdfStyle*> styles;         // <name, family>, style
     QHash<QString, KoOdfStyle*> defaultStyles;  // family, style
     QHash<QString, KoOdfListStyle*> listStyles; // list-style styles
 };
 
 
 // ----------------------------------------------------------------
 
 
 KoOdfStyleManager::KoOdfStyleManager()
     : d(new KoOdfStyleManager::Private())
 {
 }
 
 KoOdfStyleManager::~KoOdfStyleManager()
 {
     delete d;
 }
 
 KoOdfStyle *KoOdfStyleManager::style(const QString &name, const QString &family) const
 {
     debugOdf2 << d->styles.value(qMakePair(name, family), 0);
     return d->styles.value(qMakePair(name, family), 0);
 }
 
 void KoOdfStyleManager::setStyle(const QString &name, KoOdfStyle *style)
 {
     d->styles.insert(qMakePair(name, style->family()), style);
 }
 
 KoOdfListStyle *KoOdfStyleManager::listStyle(const QString &name) const
 {
     return d->listStyles.value(name, 0);
 }
 
 void KoOdfStyleManager::setListStyle(const QString &name, KoOdfListStyle *style)
 {
     d->listStyles.insert(name, style);
 }
 
 
 KoOdfStyle *KoOdfStyleManager::defaultStyle(const QString &family) const
 {
     return d->defaultStyles.value(family, 0);
 }
 
 void KoOdfStyleManager::setDefaultStyle(const QString &family, KoOdfStyle *style)
 {
     d->defaultStyles.insert(family, style);
 }
 
 QList<KoOdfStyle*> KoOdfStyleManager::styles() const
 {
     return d->styles.values();
 }
 
 QList<KoOdfStyle*> KoOdfStyleManager::defaultStyles() const
 {
     return d->defaultStyles.values();
 }
 
 void KoOdfStyleManager::clear()
 {
     // The style manager owns the styles so we should delete them, not
     // just empty the lists.
     qDeleteAll(d->styles);
     d->styles.clear();
 
     qDeleteAll(d->defaultStyles);
     d->defaultStyles.clear();
 }
 
 
 // ----------------------------------------------------------------
 
 
 bool KoOdfStyleManager::loadStyles(KoStore *odfStore)
 {
     QString errorMsg;
     //int errorLine;
     //int errorColumn;
 
     KoXmlStreamReader reader;
     prepareForOdf(reader);
 
     // ----------------------------------------------------------------
     // Get styles from styles.xml.
 
     debugOdf2 << "================================================================\n"
              << "Loading styles from styles.xml";
 
     // Try to open and set styles.xml as a KoXmlDocument. Return if it failed.
     if (!odfStore->open("styles.xml")) {
         errorOdf2 << "Unable to open input file styles.xml" << endl;
         return false;
     }
 
     reader.setDevice(odfStore->device());
     // FIXME: Error handling
 
     // Collect the styles.
     collectStyleSet(reader, true /*fromStylesXml*/);
     odfStore->close();
 
     // ----------------------------------------------------------------
     // Get styles from content.xml.
 
     // Try to open content.xml. Return if it failed.
     //debugOdf2 << "parse content.xml styles";
     if (!odfStore->open("content.xml")) {
         errorOdf2 << "Unable to open input file content.xml" << endl;
         return false;
     }
 
     debugOdf2 << "================================================================\n"
              << "Loading styles from content.xml";
 
     reader.setDevice(odfStore->device());
     // FIXME: Error handling
 
     // Collect the styles.
     collectStyleSet(reader, false /*!fromStylesXml*/);
 
     odfStore->close(); // end of parsing styles in content.xml
 
     return true;
 }
 
 void KoOdfStyleManager::collectStyleSet(KoXmlStreamReader &reader, bool fromStylesXml)
 {
     debugOdf2 << "incoming element:" << reader.qualifiedName().toString();
 
     while (!reader.atEnd() && !reader.isEndDocument ()) {
         reader.readNext();
         if (!reader.isStartElement()) {
             continue;
         }
         debugOdf2 << "---------------- style element:" << reader.qualifiedName().toString();
         QString tagName = reader.qualifiedName().toString();
 
             if (tagName == "office:styles"
                 || tagName == "office:automatic-styles"
                 || tagName == "office:document-content"
                 || tagName == "office:document-styles")
             {
                 continue;
             }
 
             // For now: handle style:style and style:default-style and text:list-style
             // and only the text, paragraph and graphic families.
             if (tagName != "style:style" && tagName != "style:default-style" && tagName != "text:list-style") {
                 reader.skipCurrentElement();
                 continue;
             }
 
             KoXmlStreamAttributes  attrs = reader.attributes();
 #if 0  // debug
             debugOdf2 << "Attributes:";
             for (int i = 0; i < attrs.size(); ++i) {
                 debugOdf2 << "  " << attrs[i].qualifiedName().toString()
                          << attrs[i].value().toString();
             }
 #endif
 
             if ( tagName == "style:style" || tagName == "style:default-style") {
                 QString family = attrs.value("style:family").toString();
                 if (family == "text" || family == "paragraph" || family == "graphic") {
                     // FIXME: In the future, create style per type (family).
                     KoOdfStyle *style = new KoOdfStyle;
 
                     style->setIsFromStylesXml(fromStylesXml);
                     //debugOdf2 << "This style should be loaded:" << tagName << "Family:" <<family;
 
                     style->setIsDefaultStyle(tagName == "style:default-style");
                     style->readOdf(reader);
 #if 0 // debug
                     debugOdf2 << "==" << styleName << ":\t"
                                   << style->family()
                                   << style->parent()
                                   << style->isDefaultStyle;
 #endif
                     if (style->isDefaultStyle()) {
                         QString family = style->family();
                         setDefaultStyle(family, style);
                     }
                     else {
                         QString styleName = style->name();
                         setStyle(styleName, style);
                     }
                 }
             }
             else if (tagName == "text:list-style"){
                 KoOdfListStyle *listStyle = new KoOdfListStyle;
                 listStyle->readOdf(reader);
                 QString styleName = listStyle->name();
                 setListStyle(styleName, listStyle);
             }
             else {
                 reader.skipCurrentElement();
                 continue;
             }
     }
 }
 
 
 bool KoOdfStyleManager::saveNamedStyles(KoXmlWriter *writer)
 {
     foreach(KoOdfStyle *style, d->defaultStyles) {
         style->saveOdf(writer);
     }
     foreach(KoOdfStyle *style, d->styles) {
         // FIXME: When we support named styles of types that may use
         //        automatic styles, e.g. page layouts (with
         //        headers/footers), then this logic needs to be more
         //        advanced.
         if (!style->displayName().isEmpty()) {
             style->saveOdf(writer);
         }
     }
     return true;
 }