Added KDE3 version of Tellico

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/tellico@1097620 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 248 insertions, 0 deletions

diff --git a/src/fetch/citebasefetcher.cpp b/src/fetch/citebasefetcher.cpp
new file mode 100644
index 0000000..798d690
--- /dev/null
+++ b/src/fetch/citebasefetcher.cpp
@@ -0,0 +1,248 @@
+/***************************************************************************
+    copyright            : (C) 2007 by Robby Stephenson
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of version 2 of the GNU General Public License as  *
+ *   published by the Free Software Foundation;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "citebasefetcher.h"
+#include "messagehandler.h"
+#include "../translators/bibteximporter.h"
+#include "../tellico_kernel.h"
+#include "../tellico_utils.h"
+#include "../collection.h"
+#include "../entry.h"
+#include "../core/netaccess.h"
+#include "../filehandler.h"
+#include "../tellico_debug.h"
+
+#include <klocale.h>
+
+#include <qlabel.h>
+#include <qlayout.h>
+
+// #define CITEBASE_TEST
+
+namespace {
+  // always bibtex
+  static const char* CITEBASE_BASE_URL = "http://www.citebase.org/openurl/?url_ver=Z39.88-2004&svc_id=bibtex";
+}
+
+using Tellico::Fetch::CitebaseFetcher;
+
+CitebaseFetcher::CitebaseFetcher(QObject* parent_)
+    : Fetcher(parent_), m_job(0), m_started(false) {
+}
+
+CitebaseFetcher::~CitebaseFetcher() {
+}
+
+QString CitebaseFetcher::defaultName() {
+  return QString::fromLatin1("Citebase");
+}
+
+QString CitebaseFetcher::source() const {
+  return m_name.isEmpty() ? defaultName() : m_name;
+}
+
+bool CitebaseFetcher::canFetch(int type) const {
+  return type == Data::Collection::Bibtex;
+}
+
+void CitebaseFetcher::readConfigHook(const KConfigGroup&) {
+}
+
+void CitebaseFetcher::search(FetchKey key_, const QString& value_) {
+  m_key = key_;
+  m_value = value_.stripWhiteSpace();
+  m_started = true;
+
+  if(!canFetch(Kernel::self()->collectionType())) {
+    message(i18n("%1 does not allow searching for this collection type.").arg(source()), MessageHandler::Warning);
+    stop();
+    return;
+  }
+
+  m_data.truncate(0);
+
+//  myDebug() << "CitebaseFetcher::search() - value = " << value_ << endl;
+
+  KURL u = searchURL(m_key, m_value);
+  if(u.isEmpty()) {
+    stop();
+    return;
+  }
+
+  m_job = KIO::get(u, false, false);
+  connect(m_job, SIGNAL(data(KIO::Job*, const QByteArray&)),
+          SLOT(slotData(KIO::Job*, const QByteArray&)));
+  connect(m_job, SIGNAL(result(KIO::Job*)),
+          SLOT(slotComplete(KIO::Job*)));
+}
+
+void CitebaseFetcher::stop() {
+  if(!m_started) {
+    return;
+  }
+//  myDebug() << "CitebaseFetcher::stop()" << endl;
+  if(m_job) {
+    m_job->kill();
+    m_job = 0;
+  }
+  m_data.truncate(0);
+  m_started = false;
+  emit signalDone(this);
+}
+
+void CitebaseFetcher::slotData(KIO::Job*, const QByteArray& data_) {
+  QDataStream stream(m_data, IO_WriteOnly | IO_Append);
+  stream.writeRawBytes(data_.data(), data_.size());
+}
+
+void CitebaseFetcher::slotComplete(KIO::Job* job_) {
+//  myDebug() << "CitebaseFetcher::slotComplete()" << endl;
+  // since the fetch is done, don't worry about holding the job pointer
+  m_job = 0;
+
+  if(job_->error()) {
+    job_->showErrorDialog(Kernel::self()->widget());
+    stop();
+    return;
+  }
+
+  if(m_data.isEmpty()) {
+    myDebug() << "CitebaseFetcher::slotComplete() - no data" << endl;
+    stop();
+    return;
+  }
+
+#if 0
+  kdWarning() << "Remove debug from citebasefetcher.cpp" << endl;
+  QFile f(QString::fromLatin1("/tmp/test.bib"));
+  if(f.open(IO_WriteOnly)) {
+    QTextStream t(&f);
+    t.setEncoding(QTextStream::UnicodeUTF8);
+    t << QCString(m_data, m_data.size()+1);
+  }
+  f.close();
+#endif
+
+  Import::BibtexImporter imp(QString::fromUtf8(m_data, m_data.size()));
+  Data::CollPtr coll = imp.collection();
+
+  if(!coll) {
+    myDebug() << "CitebaseFetcher::slotComplete() - no valid result" << endl;
+    stop();
+    return;
+  }
+
+  Data::EntryVec entries = coll->entries();
+  for(Data::EntryVec::Iterator entry = entries.begin(); entry != entries.end(); ++entry) {
+    if(!m_started) {
+      // might get aborted
+      break;
+    }
+    QString desc = entry->field(QString::fromLatin1("author"))
+                 + QChar('/') + entry->field(QString::fromLatin1("publisher"));
+    if(!entry->field(QString::fromLatin1("year")).isEmpty()) {
+      desc += QChar('/') + entry->field(QString::fromLatin1("year"));
+    }
+
+    SearchResult* r = new SearchResult(this, entry->title(), desc, entry->field(QString::fromLatin1("isbn")));
+    m_entries.insert(r->uid, Data::EntryPtr(entry));
+    emit signalResultFound(r);
+  }
+
+  stop(); // required
+}
+
+Tellico::Data::EntryPtr CitebaseFetcher::fetchEntry(uint uid_) {
+  return m_entries[uid_];
+}
+
+KURL CitebaseFetcher::searchURL(FetchKey key_, const QString& value_) const {
+  KURL u(QString::fromLatin1(CITEBASE_BASE_URL));
+
+  switch(key_) {
+    case ArxivID:
+      {
+      // remove prefix and/or version number
+      QString value = value_;
+      value.remove(QRegExp(QString::fromLatin1("^arxiv:"), false));
+      value.remove(QRegExp(QString::fromLatin1("v\\d+$")));
+      u.addQueryItem(QString::fromLatin1("rft_id"), QString::fromLatin1("oai:arXiv.org:%1").arg(value));
+      }
+      break;
+
+    default:
+      kdWarning() << "CitebaseFetcher::search() - key not recognized: " << m_key << endl;
+      return KURL();
+  }
+
+#ifdef CITEBASE_TEST
+  u = KURL::fromPathOrURL(QString::fromLatin1("/home/robby/citebase.bib"));
+#endif
+  myDebug() << "CitebaseFetcher::search() - url: " << u.url() << endl;
+  return u;
+}
+
+void CitebaseFetcher::updateEntry(Data::EntryPtr entry_) {
+  QString arxiv = entry_->field(QString::fromLatin1("arxiv"));
+  if(!arxiv.isEmpty()) {
+    search(Fetch::ArxivID, arxiv);
+    return;
+  }
+
+  myDebug() << "CitebaseFetcher::updateEntry() - insufficient info to search" << endl;
+  emit signalDone(this); // always need to emit this if not continuing with the search
+}
+
+void CitebaseFetcher::updateEntrySynchronous(Data::EntryPtr entry) {
+  if(!entry) {
+    return;
+  }
+  QString arxiv = entry->field(QString::fromLatin1("arxiv"));
+  if(arxiv.isEmpty()) {
+    return;
+  }
+
+  KURL u = searchURL(ArxivID, arxiv);
+  QString bibtex = FileHandler::readTextFile(u, true);
+  if(bibtex.isEmpty()) {
+    return;
+  }
+
+  // assume result is always utf-8
+  Import::BibtexImporter imp(bibtex);
+  Data::CollPtr coll = imp.collection();
+  if(coll && coll->entryCount() > 0) {
+    myLog() << "CitebaseFetcher::updateEntrySynchronous() - found arxiv result, merging" << endl;
+    Data::Collection::mergeEntry(entry, coll->entries().front(), false /*overwrite*/);
+  }
+}
+
+Tellico::Fetch::ConfigWidget* CitebaseFetcher::configWidget(QWidget* parent_) const {
+  return new CitebaseFetcher::ConfigWidget(parent_, this);
+}
+
+CitebaseFetcher::ConfigWidget::ConfigWidget(QWidget* parent_, const CitebaseFetcher*)
+    : Fetch::ConfigWidget(parent_) {
+  QVBoxLayout* l = new QVBoxLayout(optionsWidget());
+  l->addWidget(new QLabel(i18n("This source has no options."), optionsWidget()));
+  l->addStretch();
+}
+
+void CitebaseFetcher::ConfigWidget::saveConfig(KConfigGroup&) {
+}
+
+QString CitebaseFetcher::ConfigWidget::preferredName() const {
+  return CitebaseFetcher::defaultName();
+}
+
+#include "citebasefetcher.moc"