kpreviewprops.cpp

/* This file is part of the KDE libraries
    Copyright (C) 2005 Stephan Binner <binner@kde.org>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    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.
 
 */
 
#include "kpreviewprops.h"
 
#include <tqlayout.h>
 
#include <tdefilemetapreview.h>
#include <tdeglobalsettings.h>
#include <tdelocale.h>
 
class KPreviewPropsPlugin::KPreviewPropsPluginPrivate
{
public:
    KPreviewPropsPluginPrivate()  {}
    ~KPreviewPropsPluginPrivate() {}
};
 
KPreviewPropsPlugin::KPreviewPropsPlugin(KPropertiesDialog* props)
  : KPropsDlgPlugin(props)
{
    d = new KPreviewPropsPluginPrivate;
 
    if (properties->items().count()>1)
        return;
 
    createLayout();
}
 
void KPreviewPropsPlugin::createLayout()
{
    // let the dialog create the page frame
    TQFrame* topframe = properties->addPage(i18n("P&review"));
    topframe->setFrameStyle(TQFrame::NoFrame);
 
    TQVBoxLayout* tmp = new TQVBoxLayout(topframe, 0, 0);
 
    preview = new KFileMetaPreview(topframe);
 
    tmp->addWidget(preview) ;
    connect( properties, TQ_SIGNAL( aboutToShowPage( TQWidget * ) ), TQ_SLOT( aboutToShowPage( TQWidget* ) ) );
}
 
KPreviewPropsPlugin::~KPreviewPropsPlugin()
{
    delete d;
}
 
bool KPreviewPropsPlugin::supports( KFileItemList _items )
{
    if ( _items.count() != 1)
        return false;
    if( !TDEGlobalSettings::showFilePreview(_items.first()->url()))
        return false;
    KMimeType::Ptr mt = KMimeType::findByURL( _items.first()->url() );
    if ( mt->inherits("inode/directory") || mt->name() == "application/octet-stream" )
        return false;
    
    //TODO Copy everything of KFileMetaPreview::previewProviderFor() ?
 
    return true;
}
 
void KPreviewPropsPlugin::aboutToShowPage( TQWidget* widget )
{
    if ( widget != preview->parent() )
        return;
 
    disconnect( properties, TQ_SIGNAL( aboutToShowPage( TQWidget * ) ), this, TQ_SLOT( aboutToShowPage( TQWidget* ) ) );
    preview->showPreview(properties->item()->url());
}
 
#include "kpreviewprops.moc"