Initial import

1 files changed, 297 insertions, 0 deletions

diff --git a/src/entrywidgetexternal.cpp b/src/entrywidgetexternal.cpp
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+++ b/src/entrywidgetexternal.cpp
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+/***************************************************************************
+*   Copyright (C) 2004-2009 by Thomas Fischer                             *
+*   fischer@unix-ag.uni-kl.de                                             *
+*                                                                         *
+*   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 <qlayout.h>
+#include <qlabel.h>
+#include <qtooltip.h>
+
+#include <kpushbutton.h>
+#include <kdialog.h>
+#include <klocale.h>
+#include <kfiledialog.h>
+#include <kurl.h>
+#include <kurllabel.h>
+#include <kiconloader.h>
+#include <kpopupmenu.h>
+
+#include <fieldlineedit.h>
+#include <settings.h>
+#include "entrywidgetexternal.h"
+
+namespace KBibTeX
+{
+
+    const int EntryWidgetExternal::m_menuIdCurrentDirectory = 8192;
+    const int EntryWidgetExternal::m_menuIdPreviousDirectory = 8191;
+    QString EntryWidgetExternal::m_previousDirectory = QString::null;
+
+    EntryWidgetExternal::EntryWidgetExternal( BibTeX::File *bibtexfile, bool isReadOnly, QWidget *parent, const char *name )
+            : EntryWidgetTab( bibtexfile, isReadOnly, parent, name )
+    {
+        setupGUI();
+    }
+
+    EntryWidgetExternal::~EntryWidgetExternal()
+    {
+        // nothing
+    }
+
+    bool EntryWidgetExternal::isModified()
+    {
+        return m_fieldLineEditURL->isModified() || m_fieldLineEditDoi->isModified() || m_fieldLineEditLocalFile->isModified();
+    }
+
+    void EntryWidgetExternal::updateGUI( BibTeX::Entry::EntryType entryType, bool enableAll )
+    {
+        bool enableWidget = enableAll || BibTeX::Entry::getRequireStatus( entryType, BibTeX::EntryField::ftURL ) != BibTeX::Entry::frsIgnored;
+        m_fieldLineEditURL->setEnabled( enableWidget );
+
+        enableWidget = enableAll || BibTeX::Entry::getRequireStatus( entryType, BibTeX::EntryField::ftDoi ) != BibTeX::Entry::frsIgnored;
+        m_fieldLineEditDoi->setEnabled( enableWidget );
+
+        enableWidget = enableAll || BibTeX::Entry::getRequireStatus( entryType, BibTeX::EntryField::ftLocalFile ) != BibTeX::Entry::frsIgnored;
+        m_fieldLineEditLocalFile->setEnabled( enableWidget );
+        m_pushButtonBrowseLocalFile->setEnabled( !m_isReadOnly && enableWidget );
+
+        updateGUI();
+    }
+
+    void EntryWidgetExternal::apply( BibTeX::Entry *entry )
+    {
+        BibTeX::Value * value = m_fieldLineEditURL->value();
+        setValue( entry, BibTeX::EntryField::ftURL, value );
+        delete value;
+
+        value = m_fieldLineEditDoi->value();
+        setValue( entry, BibTeX::EntryField::ftDoi, value );
+        delete value;
+
+        value = m_fieldLineEditLocalFile->value();
+        setValue( entry, BibTeX::EntryField::ftLocalFile, value );
+        delete value;
+    }
+
+    void EntryWidgetExternal::reset( BibTeX::Entry *entry )
+    {
+        disconnect( m_fieldLineEditURL, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+        disconnect( m_fieldLineEditDoi, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+        disconnect( m_fieldLineEditLocalFile, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+
+
+        BibTeX::EntryField * field = entry->getField( BibTeX::EntryField::ftURL );
+        m_fieldLineEditURL->setValue( field != NULL ? field->value() : NULL );
+
+        field = entry->getField( BibTeX::EntryField::ftDoi );
+        m_fieldLineEditDoi->setValue( field != NULL ? field->value() : NULL );
+
+        field = entry->getField( BibTeX::EntryField::ftLocalFile );
+        m_fieldLineEditLocalFile->setValue( field != NULL ? field->value() : NULL );
+
+        updateGUI();
+
+        connect( m_fieldLineEditURL, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+        connect( m_fieldLineEditDoi, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+        connect( m_fieldLineEditLocalFile, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+    }
+
+    void EntryWidgetExternal::updateWarnings( BibTeX::Entry::EntryType entryType, QListView *listViewWarnings )
+    {
+        addMissingWarning( entryType, BibTeX::EntryField::ftURL, m_fieldLineEditURL->caption(), !m_fieldLineEditURL->isEmpty(), m_fieldLineEditURL, listViewWarnings );
+
+        addMissingWarning( entryType, BibTeX::EntryField::ftDoi, m_fieldLineEditDoi->caption(), !m_fieldLineEditDoi->isEmpty(), m_fieldLineEditDoi, listViewWarnings );
+
+        addMissingWarning( entryType, BibTeX::EntryField::ftLocalFile, m_fieldLineEditDoi->caption(), !m_fieldLineEditDoi->isEmpty(), m_fieldLineEditLocalFile, listViewWarnings );
+
+        addFieldLineEditWarning( m_fieldLineEditURL, m_fieldLineEditURL->caption(), listViewWarnings );
+
+        addFieldLineEditWarning( m_fieldLineEditDoi, m_fieldLineEditDoi->caption(), listViewWarnings );
+
+        updateGUI();
+    }
+
+    void EntryWidgetExternal::openURL()
+    {
+        BibTeX::Value * value = m_fieldLineEditURL->value();
+        KURL url = Settings::locateFile( value->text(), m_bibtexfile->fileName, this );
+        if ( url.isValid() )
+            Settings::openUrl( url, this );
+        else
+            m_pushButtonOpenURL->setEnabled( FALSE );
+    }
+
+    void EntryWidgetExternal::openURL( const QString &url )
+    {
+        Settings::openUrl( KURL( url ), this );
+    }
+
+    void EntryWidgetExternal::openDoi()
+    {
+        BibTeX::Value * value = m_fieldLineEditDoi->value();
+        KURL url = Settings::doiURL( value->text() );
+        if ( url.isValid() )
+            Settings::openUrl( url, this );
+        else
+            m_pushButtonOpenDoi->setEnabled( FALSE );
+    }
+
+    void EntryWidgetExternal::openLocalFile()
+    {
+        BibTeX::Value * value = m_fieldLineEditLocalFile->value();
+        KURL url = Settings::locateFile( value->text(), m_bibtexfile->fileName, this );
+        if ( url.isValid() )
+            Settings::openUrl( url, this );
+        else
+            m_pushButtonOpenLocalFile->setEnabled( FALSE );
+    }
+
+    void EntryWidgetExternal::browseLocalFile( int id )
+    {
+        Settings * settings = Settings::self();
+        QString startDir = QString::null;
+        if ( id == m_menuIdPreviousDirectory && m_previousDirectory != QString::null )
+            startDir = m_previousDirectory;
+        else if ( settings->editing_DocumentSearchPaths.size() > ( unsigned int )id )
+            startDir = *settings->editing_DocumentSearchPaths.at( id );
+        else
+            startDir = QDir::currentDirPath();
+        QString filename = KFileDialog::getOpenFileName( startDir );
+
+        if ( !filename.isEmpty() )
+        {
+            /** if the user started browsing for files from a search path,
+            * remove this search path prefix from the absolute path returned
+            * by the file open dialog.                                               */
+            if ( id >= 0 && filename.startsWith( startDir ) )
+            {
+                int len = startDir.length();
+                if ( startDir == "/" )
+                    len = 0;
+                else if ( !startDir.endsWith( "/" ) )
+                    ++len;
+                filename = filename.mid( len );
+            }
+
+            BibTeX::Value * value = new BibTeX::Value();
+            value->items.append( new BibTeX::PlainText( filename ) );
+            m_fieldLineEditLocalFile->setValue( value );
+
+            if ( m_previousDirectory == QString::null )
+            {
+                QPopupMenu *menu = m_pushButtonBrowseLocalFile->popup();
+                menu->insertItem( QIconSet( SmallIcon( "favorite" ) ), i18n( "Previously used directory" ), m_menuIdPreviousDirectory, 2 );
+            }
+            QFileInfo fileInfo( filename );
+            m_previousDirectory = fileInfo.dirPath( true );
+        }
+    }
+
+    void EntryWidgetExternal::updateGUI()
+    {
+        BibTeX::Value * value = m_fieldLineEditURL->value();
+        m_pushButtonOpenURL->setEnabled( value != NULL && Settings::locateFile( value->text(), m_bibtexfile->fileName, this ).isValid() );
+
+        value = m_fieldLineEditLocalFile->value();
+        m_pushButtonOpenLocalFile->setEnabled( value != NULL && Settings::locateFile( value->text(), m_bibtexfile->fileName, this ).isValid() );
+
+        value = m_fieldLineEditDoi->value();
+        m_pushButtonOpenDoi->setEnabled( value != NULL && Settings::doiURL( value->text() ).isValid() );
+    }
+
+    void EntryWidgetExternal::setupGUI()
+    {
+        Settings * settings = Settings::self();
+
+        QGridLayout * gridLayout = new QGridLayout( this, 5, 3, KDialog::marginHint(), KDialog::spacingHint(), "gridLayout" );
+        gridLayout->setRowStretch( 4, 10 );
+
+        QLabel *label = new QLabel( QString( "%1:" ).arg( i18n( "URL" ) ), this );
+        gridLayout->addWidget( label, 0, 0 );
+        m_fieldLineEditURL = new KBibTeX::FieldLineEdit( i18n( "URL" ), KBibTeX::FieldLineEdit::itSingleLine, m_isReadOnly, this, "m_fieldLineEditURL" );
+        m_fieldLineEditURL->setFieldType( BibTeX::EntryField::ftURL );
+        gridLayout->addWidget( m_fieldLineEditURL, 0, 1 );
+        label->setBuddy( m_fieldLineEditURL );
+        connect( m_fieldLineEditURL, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+
+        m_pushButtonOpenURL = new KPushButton( this );
+        gridLayout->addWidget( m_pushButtonOpenURL, 0, 2 );
+        m_pushButtonOpenURL->setIconSet( QIconSet( SmallIcon( "fileopen" ) ) );
+        m_pushButtonOpenURL->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
+        QToolTip::add( m_pushButtonOpenURL, QString( i18n( "Open %1" ) ).arg( i18n( "URL" ) ) );
+        connect( m_pushButtonOpenURL, SIGNAL( clicked() ), this, SLOT( openURL() ) );
+
+        KURLLabel *urllabel = new KURLLabel( "http://www.doi.org/", QString( "%1:" ).arg( i18n( "DOI" ) ), this );
+        QToolTip::add( urllabel, i18n( "Digital Object Identifier" ) );
+        urllabel->setFocusPolicy( QWidget::NoFocus );
+        gridLayout->addWidget( urllabel, 1, 0 );
+        m_fieldLineEditDoi = new KBibTeX::FieldLineEdit( i18n( "DOI" ), KBibTeX::FieldLineEdit::itSingleLine, m_isReadOnly, this, "m_fieldLineEditDoi" );
+        m_fieldLineEditDoi->setFieldType( BibTeX::EntryField::ftDoi );
+        gridLayout->addWidget( m_fieldLineEditDoi, 1, 1 );
+        urllabel->setBuddy( m_fieldLineEditDoi );
+        connect( m_fieldLineEditDoi, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+        connect( urllabel, SIGNAL( leftClickedURL( const QString& ) ), this, SLOT( openURL( const QString& ) ) );
+
+        m_pushButtonOpenDoi = new KPushButton( this );
+        gridLayout->addWidget( m_pushButtonOpenDoi, 1, 2 );
+        m_pushButtonOpenDoi->setIconSet( QIconSet( SmallIcon( "fileopen" ) ) );
+        m_pushButtonOpenDoi->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
+        QToolTip::add( m_pushButtonOpenDoi, i18n( "Open DOI" ) );
+        connect( m_pushButtonOpenDoi, SIGNAL( clicked() ), this, SLOT( openDoi() ) );
+
+        label = new QLabel( QString( "%1:" ).arg( i18n( "Local File" ) ), this );
+        gridLayout->addWidget( label, 2, 0 );
+        m_fieldLineEditLocalFile = new KBibTeX::FieldLineEdit( i18n( "Local File" ), KBibTeX::FieldLineEdit::itSingleLine, m_isReadOnly, this, "m_fieldLineEditLocalFile" );
+        m_fieldLineEditLocalFile->setFieldType( BibTeX::EntryField::ftLocalFile );
+        gridLayout->addWidget( m_fieldLineEditLocalFile, 2, 1 );
+        label->setBuddy( m_fieldLineEditLocalFile );
+        connect( m_fieldLineEditLocalFile, SIGNAL( textChanged() ), this, SLOT( updateGUI() ) );
+
+        m_pushButtonOpenLocalFile = new KPushButton( this );
+        gridLayout->addWidget( m_pushButtonOpenLocalFile, 2, 2 );
+        m_pushButtonOpenLocalFile->setIconSet( QIconSet( SmallIcon( "fileopen" ) ) );
+        m_pushButtonOpenLocalFile->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
+        QToolTip::add( m_pushButtonOpenLocalFile, QString( i18n( "Open %1" ) ).arg( i18n( "Local File" ) ) );
+        connect( m_pushButtonOpenLocalFile, SIGNAL( clicked() ), this, SLOT( openLocalFile() ) );
+
+        QWidget *container = new QWidget( this );
+        QHBoxLayout *containerLayout = new QHBoxLayout( container );
+        gridLayout->addWidget( container, 3, 1 );
+        m_pushButtonBrowseLocalFile = new KPushButton( i18n( "&Browse..." ), container );
+        QToolTip::add( m_pushButtonBrowseLocalFile, i18n( "Browse for a local file" ) );
+        m_pushButtonBrowseLocalFile->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
+        containerLayout->addWidget( m_pushButtonBrowseLocalFile );
+        containerLayout->addStretch( 10 );
+        m_pushButtonBrowseLocalFile->setIconSet( QIconSet( SmallIcon( "fileopen" ) ) );
+
+        KPopupMenu *menu = new KPopupMenu( m_pushButtonBrowseLocalFile );
+        menu->insertTitle( i18n( "Select base directory" ) );
+        menu->insertItem( QIconSet( SmallIcon( "favorite" ) ), i18n( "Current directory" ), m_menuIdCurrentDirectory );
+        if ( m_previousDirectory != QString::null )
+            menu->insertItem( QIconSet( SmallIcon( "favorite" ) ), i18n( "Previously used directory" ), m_menuIdPreviousDirectory );
+        if ( !settings->editing_DocumentSearchPaths.isEmpty() )
+        {
+            menu->insertSeparator();
+            int i = 0;
+            for ( QStringList::Iterator it = settings->editing_DocumentSearchPaths.begin(); it != settings->editing_DocumentSearchPaths.end(); ++it, ++i )
+                menu->insertItem( QIconSet( SmallIcon( "folder" ) ), *it, i );
+        }
+        m_pushButtonBrowseLocalFile->setPopup( menu );
+        connect( menu, SIGNAL( activated( int ) ), this, SLOT( browseLocalFile( int ) ) );
+    }
+}
+#include "entrywidgetexternal.moc"