Initial import

1 files changed, 289 insertions, 0 deletions

diff --git a/src/webquerycsb.cpp b/src/webquerycsb.cpp
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+++ b/src/webquerycsb.cpp
@@ -0,0 +1,289 @@
+/***************************************************************************
+ *   Copyright (C) 2004-2009 by Thomas Fischer                             *
+ *   [email protected]                                             *
+ *                                                                         *
+ *   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) any later version.                                   *
+ *                                                                         *
+ *   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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qregexp.h>
+#include <qbuffer.h>
+#include <qcstring.h>
+#include <qiodevice.h>
+#include <qspinbox.h>
+#include <qcheckbox.h>
+#include <qfile.h>
+#include <qdatetime.h>
+
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kio/netaccess.h>
+#include <klineedit.h>
+#include <kcombobox.h>
+#include <kpushbutton.h>
+#include <kiconloader.h>
+
+#include <settings.h>
+#include "webquerycsb.h"
+
+namespace KBibTeX
+{
+    WebQueryCSBWidget::WebQueryCSBWidget( QWidget *parent, const char *name )
+            : WebQueryWidget( parent, name )
+    {
+        init();
+
+        Settings *settings = Settings::self();
+        QString value = settings->getWebQueryDefault( "CSB_query" );
+        value = value == QString::null ? "" : value;
+        lineEditQuery->setText( value );
+        value = settings->getWebQueryDefault( "CSB_field" );
+        value = value == QString::null || value.isEmpty() ? "0" : value;
+        comboBoxField->setCurrentItem( value.toInt() );
+        value = settings->getWebQueryDefault( "CSB_yearCheck" );
+        value = value == QString::null || value.isEmpty() ? "0" : value;
+        checkBoxYear->setChecked( value == "1" );
+        value = settings->getWebQueryDefault( "CSB_yearType" );
+        value = value == QString::null || value.isEmpty() ? "0" : value;
+        comboBoxYear->setCurrentItem( value.toInt() );
+        value = settings->getWebQueryDefault( "CSB_yearValue" );
+        value = value == QString::null ? "2000" : value;
+        spinBoxYear->setValue( value.toInt() );
+        value = settings->getWebQueryDefault( "CSB_sortBy" );
+        value = value == QString::null || value.isEmpty() ? "0" : value;
+        comboBoxSortBy->setCurrentItem( value.toInt() );
+        value = settings->getWebQueryDefault( "CSB_onlinePapersOnly" );
+        value = value == QString::null || value.isEmpty() ? "0" : value;
+        checkBoxOnlinePapersOnly->setChecked( value == "1" );
+        slotTextChanged( value, true );
+    }
+
+    void WebQueryCSBWidget::init()
+    {
+        QVBoxLayout *vLayout = new QVBoxLayout( this, 0, KDialog::spacingHint() );
+
+        QHBoxLayout *hLayout = new QHBoxLayout( );
+        vLayout->addLayout( hLayout );
+        KPushButton *clearSearchText = new KPushButton( this );
+        clearSearchText->setIconSet( QIconSet( SmallIcon( "locationbar_erase" ) ) );
+        hLayout->addWidget( clearSearchText );
+        QLabel *label = new QLabel( i18n( "Search &term:" ), this );
+        hLayout->addWidget( label );
+        lineEditQuery = new KLineEdit( this );
+        KCompletion *completionQuery = lineEditQuery->completionObject();
+        hLayout->addWidget( lineEditQuery );
+        label->setBuddy( lineEditQuery );
+        hLayout->addSpacing( KDialog::spacingHint() * 2 );
+        label = new QLabel( i18n( "Here, \"Field\" refers to a parameter for the CSB search (author, title, any)", "&Field:" ), this );
+        hLayout->addWidget( label );
+        comboBoxField = new KComboBox( false, this );
+        hLayout->addWidget( comboBoxField );
+        label->setBuddy( comboBoxField );
+        connect( clearSearchText, SIGNAL( clicked() ), lineEditQuery, SLOT( clear() ) );
+        connect( lineEditQuery, SIGNAL( textChanged( const QString& ) ), this, SLOT( slotTextChanged( const QString& ) ) );
+        hLayout->setStretchFactor( lineEditQuery, 5 );
+        connect( lineEditQuery, SIGNAL( returnPressed() ), this, SIGNAL( startSearch() ) );
+        connect( lineEditQuery, SIGNAL( returnPressed( const QString& ) ), completionQuery, SLOT( addItem( const QString& ) ) );
+
+        hLayout = new QHBoxLayout( );
+        vLayout->addLayout( hLayout );
+        label = new QLabel( i18n( "&Number of results:" ), this );
+        hLayout->addWidget( label );
+        spinBoxMaxHits = new QSpinBox( 1, 500, 1, this );
+        spinBoxMaxHits->setValue( 10 );
+        hLayout->setStretchFactor( spinBoxMaxHits, 3 );
+        hLayout->addWidget( spinBoxMaxHits );
+        label->setBuddy( spinBoxMaxHits );
+        hLayout->addSpacing( KDialog::spacingHint() * 2 );
+        checkBoxYear = new QCheckBox( i18n( "&Year:" ), this );
+        hLayout->setStretchFactor( checkBoxYear, 1 );
+        checkBoxYear->setChecked( true );
+        hLayout->addWidget( checkBoxYear );
+        connect( checkBoxYear, SIGNAL( toggled( bool ) ), this, SLOT( slotYearCheckToggled() ) );
+        comboBoxYear = new KComboBox( false, this );
+        hLayout->setStretchFactor( comboBoxYear, 3 );
+        hLayout->addWidget( comboBoxYear );
+        spinBoxYear = new QSpinBox( 1800, 2100, 1, this );
+        spinBoxYear->setValue( QDate::currentDate().year() );
+        hLayout->setStretchFactor( spinBoxYear, 6 );
+        hLayout->addWidget( spinBoxYear );
+
+        hLayout->addSpacing( KDialog::spacingHint() * 2 );
+        label = new QLabel( i18n( "Sort &by:" ), this );
+        hLayout->addWidget( label );
+        comboBoxSortBy = new KComboBox( false, this );
+        hLayout->setStretchFactor( comboBoxSortBy, 8 );
+        hLayout->addWidget( comboBoxSortBy );
+        label->setBuddy( comboBoxSortBy );
+
+        hLayout = new QHBoxLayout( );
+        vLayout->addLayout( hLayout );
+        checkBoxOnlinePapersOnly = new QCheckBox( i18n( "Online papers only" ), this );
+        hLayout->addWidget( checkBoxOnlinePapersOnly );
+
+        comboBoxField->insertItem( i18n( "any" ) );
+        comboBoxField->insertItem( i18n( "author" ) );
+        comboBoxField->insertItem( i18n( "title" ) );
+        comboBoxYear->insertItem( i18n( "exact" ) );
+        comboBoxYear->insertItem( i18n( "until" ) );
+        comboBoxYear->insertItem( i18n( "from" ) );
+        comboBoxYear->setCurrentItem( 1 );
+        comboBoxSortBy->insertItem( i18n( "none" ) );
+        comboBoxSortBy->insertItem( i18n( "score" ) );
+        comboBoxSortBy->insertItem( i18n( "year" ) );
+    }
+
+    void WebQueryCSBWidget::slotYearCheckToggled()
+    {
+        bool yearEnabled = checkBoxYear->isChecked();
+        comboBoxYear->setEnabled( yearEnabled );
+        spinBoxYear->setEnabled( yearEnabled );
+    }
+
+    WebQueryCSB::WebQueryCSB( QWidget* parent ): WebQuery( parent )
+    {
+        m_importer = new BibTeX::FileImporterBibTeX( FALSE );
+        m_importer->setIgnoreComments( TRUE );
+        m_widget = new WebQueryCSBWidget( parent );
+    }
+
+    WebQueryCSB::~WebQueryCSB()
+    {
+        delete m_widget;
+        delete m_importer;
+    }
+
+    QString WebQueryCSB::title()
+    {
+        return i18n( "Computer Science Bibliographies" );
+    }
+
+    QString WebQueryCSB::disclaimer()
+    {
+        return i18n( "Copyright for the Bibliography Collection" );
+    }
+
+    QString WebQueryCSB::disclaimerURL()
+    {
+        return "http://liinwww.ira.uka.de/bibliography/Copyright.html";
+    }
+
+    WebQueryWidget *WebQueryCSB::widget()
+    {
+        return m_widget;
+    }
+
+    void WebQueryCSB::query()
+    {
+        WebQuery::query();
+
+        Settings *settings = Settings::self();
+        settings->setWebQueryDefault( "CSB_query", m_widget->lineEditQuery->text() );
+        settings->setWebQueryDefault( "CSB_field", QString::number( m_widget->comboBoxField->currentItem() ) );
+        settings->setWebQueryDefault( "CSB_yearCheck", m_widget->checkBoxYear->isChecked() ? "1" : "0" );
+        settings->setWebQueryDefault( "CSB_yearType", QString::number( m_widget->comboBoxYear->currentItem() ) );
+        settings->setWebQueryDefault( "CSB_yearValue", QString::number( m_widget->spinBoxYear->value() ) );
+        settings->setWebQueryDefault( "CSB_sortBy", QString::number( m_widget->comboBoxSortBy->currentItem() ) );
+        settings->setWebQueryDefault( "CSB_onlinePapersOnly", m_widget->checkBoxOnlinePapersOnly->isChecked() ? "1" : "0" );
+
+        setNumStages( 1 );
+
+        int numberOfResults = m_widget->spinBoxMaxHits->value();
+        QString searchTerm = m_widget->lineEditQuery->text().stripWhiteSpace().replace( '$', "" );
+
+        QString year;
+        if ( m_widget->checkBoxYear->isChecked() )
+        {
+            switch ( m_widget->comboBoxYear->currentItem() )
+            {
+            case 1: year = QString( "before=%1" ).arg( m_widget->spinBoxYear->value() ); break;
+            case 2: year = QString( "since=%1" ).arg( m_widget->spinBoxYear->value() ); break;
+            default: year = QString( "year=%1" ).arg( m_widget->spinBoxYear->value() ); break;
+            }
+        }
+
+        QString field;
+        switch ( m_widget->comboBoxField->currentItem() )
+        {
+        case 1: field = "au"; break;
+        case 2: field = "ti"; break;
+        default: field = ""; break;
+        }
+
+        QString sortBy;
+        switch ( m_widget->comboBoxSortBy->currentItem() )
+        {
+        case 1: sortBy = "&sort=score"; break;
+        case 2: sortBy = "&sort=year"; break;
+        default: sortBy = ""; break;
+        }
+
+        QString onlinePapersOnly = m_widget->checkBoxOnlinePapersOnly->isChecked() ? "&online=on" : "";
+
+        KURL url = KURL( QString( "http://liinwww.ira.uka.de/csbib?query=%4&results=bibtex&maxnum=%1&%2&field=%3" ).arg( numberOfResults ).arg( year ).arg( field ).arg( searchTerm.replace( "%", "%25" ).replace( "+", "%2B" ).replace( " ", "%20" ).replace( "#", "%23" ).replace( "&", "%26" ).replace( "?", "%3F" ) ).append( onlinePapersOnly ).append( sortBy ) );
+
+        QString rawText = download( url );
+        if ( rawText != NULL && !m_aborted )
+        {
+            QRegExp removeXML( "<[^>]+>" );
+            rawText.replace( removeXML, "" );
+
+            BibTeX::FileImporterBibTeX importer( FALSE );
+            importer.setIgnoreComments( TRUE );
+            QBuffer buffer;
+
+            buffer.open( IO_WriteOnly );
+            QTextStream ts( &buffer );
+            ts.setEncoding( QTextStream::UnicodeUTF8 );
+            ts << rawText << endl;
+            buffer.close();
+
+            buffer.open( IO_ReadOnly );
+            BibTeX::File *tmpBibFile = importer.load( &buffer );
+            buffer.close();
+
+            if ( tmpBibFile != NULL && tmpBibFile->count() > 0 )
+            {
+                for ( BibTeX::File::ElementList::iterator it = tmpBibFile->begin(); !m_aborted && it != tmpBibFile->end(); ++it )
+                {
+                    BibTeX::Entry *entry = dynamic_cast<BibTeX::Entry*>( *it );
+                    if ( entry != NULL )
+                        emit foundEntry( new BibTeX::Entry( entry ), false );
+                }
+
+                setEndSearch( WebQuery::statusSuccess );
+            }
+            else
+                setEndSearch( WebQuery::statusError );
+
+            if ( tmpBibFile != NULL )
+                delete tmpBibFile;
+        }
+        else if ( !m_aborted )
+        {
+            QString message = KIO::NetAccess::lastErrorString();
+            if ( message.isEmpty() )
+                message.prepend( '\n' );
+            message.prepend( QString( i18n( "Querying database '%1' failed." ) ).arg( title() ) );
+            KMessageBox::error( m_parent, message );
+            setEndSearch( WebQuery::statusError );
+        }
+        else
+            setEndSearch( WebQuery::statusAborted );
+    }
+
+}
+#include "webquerycsb.moc"