File indexing completed on 2024-05-12 05:10:15

 /***************************************************************************
     Copyright (C) 2003-2009 Robby Stephenson <robby@periapsis.org>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or         *
  *   modify it under the terms of the GNU General Public License as        *
  *   published by the Free Software Foundation; either version 2 of        *
  *   the License or (at your option) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   This program 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 General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *                                                                         *
  ***************************************************************************/
 
 #include "xsltimporter.h"
 #include "xslthandler.h"
 #include "tellicoimporter.h"
 #include "../core/filehandler.h"
 #include "../collection.h"
 #include "../tellico_debug.h"
 
 #include <KLocalizedString>
 #include <KUrlRequester>
 
 #include <QLabel>
 #include <QGroupBox>
 #include <QTextStream>
 #include <QHBoxLayout>
 #include <QScopedPointer>
 
 using Tellico::Import::XSLTImporter;
 
 namespace {
 
 static bool isUTF8(const QUrl& url_) {
   // read first line to check encoding
   const QScopedPointer<Tellico::FileHandler::FileRef> ref(Tellico::FileHandler::fileRef(url_));
   if(!ref->isValid()) {
     return false;
   }
 
   ref->open();
   QTextStream stream(ref->file());
   QString line = stream.readLine().toLower();
   return line.indexOf(QLatin1String("utf-8")) > 0;
 }
 
 }
 
 // always use utf8 for xslt
 XSLTImporter::XSLTImporter(const QUrl& url_) : Tellico::Import::TextImporter(url_, isUTF8(url_)),
     m_widget(nullptr),
     m_URLRequester(nullptr) {
 }
 
 XSLTImporter::XSLTImporter(const QString& text_) : Tellico::Import::TextImporter(text_),
     m_widget(nullptr),
     m_URLRequester(nullptr) {
 }
 
 Tellico::Data::CollPtr XSLTImporter::collection() {
   if(m_coll) {
     return m_coll;
   }
 
   if(m_xsltURL.isEmpty()) {
     // if there's also no widget, then something went wrong
     if(!m_widget) {
       setStatusMessage(i18n("A valid XSLT file is needed to import the file."));
       return Data::CollPtr();
     }
     m_xsltURL = m_URLRequester->url();
   }
   if(m_xsltURL.isEmpty() || !m_xsltURL.isValid()) {
     setStatusMessage(i18n("A valid XSLT file is needed to import the file."));
     return Data::CollPtr();
   }
 
   XSLTHandler handler(m_xsltURL);
   if(!handler.isValid()) {
     myDebug() << "invalid xslt handler";
     setStatusMessage(i18n("Tellico encountered an error in XSLT processing."));
     return Data::CollPtr();
   }
   beginXSLTHandler(&handler);
 //  myDebug() << text();
   const QString str = handler.applyStylesheet(text());
 //  myDebug() << str;
 
   Import::TellicoImporter imp(str);
   imp.setBaseUrl(url()); // ignore case of multiple urls for now
   imp.setOptions(options());
   m_coll = imp.collection();
   setStatusMessage(imp.statusMessage());
   return m_coll;
 }
 
 QWidget* XSLTImporter::widget(QWidget* parent_) {
   // if the url has already been set, then there's no widget
   if(!m_xsltURL.isEmpty()) {
     return nullptr;
   }
 
   m_widget = new QWidget(parent_);
   QVBoxLayout* l = new QVBoxLayout(m_widget);
 
   QGroupBox* gbox = new QGroupBox(i18n("XSLT Options"), m_widget);
   QHBoxLayout* hlay = new QHBoxLayout(gbox);
 
   QLabel* label = new QLabel(i18n("XSLT file:"), gbox);
   m_URLRequester = new KUrlRequester(gbox);
   m_URLRequester->setWhatsThis(i18n("Choose the XSLT file used to transform the data."));
   label->setBuddy(m_URLRequester);
 
   // these are in the old KDE4 filter format, not the Qt5 format
   QString filter = QLatin1String("*.xsl|") + i18n("XSL Files")
                  + QLatin1Char('\n')
                  + QLatin1String("*|") + i18n("All Files");
   m_URLRequester->setFilter(filter);
 
   hlay->addWidget(label);
   hlay->addWidget(m_URLRequester);
 
   l->addWidget(gbox);
   l->addStretch(1);
   return m_widget;
 }
 
 void XSLTImporter::slotCancel() {
   myDebug() << "unimplemented";
 }