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tdelibs/kio/kfile/kfilepreview.cpp

280 lines
7.3 KiB

/* This file is part of the KDE libraries
Copyright (C) 1998 Stephan Kulow <coolo@kde.org>
1998 Daniel Grana <grana@ie.iwi.unibe.ch>
2000 Werner Trobin <wtrobin@carinthia.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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 <kaction.h>
#include <kfilepreview.h>
#include <kfilepreview.moc>
#include <klocale.h>
#include <tqlabel.h>
#include "config-kfile.h"
KFilePreview::KFilePreview(KFileView *view, TQWidget *parent, const char *name)
: TQSplitter(parent, name), KFileView()
{
if ( view )
init( view );
else
init( new KFileIconView( (TQSplitter*) this, "left" ));
}
KFilePreview::KFilePreview(TQWidget *parent, const char *name) :
TQSplitter(parent, name), KFileView()
{
init( new KFileIconView((TQSplitter*)this, "left") );
}
KFilePreview::~KFilePreview()
{
// Why copy the actions in the first place? --ellis, 13 Jan 02.
//// don't delete the view's actions (inserted into our collection)!
//for ( uint i = 0; i < left->actionCollection()->count(); i++ )
// actionCollection()->take( left->actionCollection()->action( i ));
// don't delete the preview, we can reuse it
// (it will get deleted by ~KDirOperator)
if ( preview && preview->tqparentWidget() == this ) {
preview->reparent(0L, 0, TQPoint(0, 0), false);
}
}
void KFilePreview::init( KFileView *view )
{
setViewName( i18n("Preview") );
left = 0L;
setFileView( view );
preview = new TQWidget((TQSplitter*)this, "preview");
TQString tmp = i18n("No preview available.");
TQLabel *l = new TQLabel(tmp, preview);
l->setMinimumSize(l->tqsizeHint());
l->move(10, 5);
preview->setMinimumWidth(l->tqsizeHint().width()+20);
setResizeMode(preview, TQSplitter::KeepSize);
// Why copy the actions? --ellis, 13 Jan 02.
//for ( uint i = 0; i < view->actionCollection()->count(); i++ )
// actionCollection()->insert( view->actionCollection()->action( i ));
}
void KFilePreview::setFileView( KFileView *view )
{
Q_ASSERT( view );
// Why copy the actions? --ellis, 13 Jan 02.
//if ( left ) { // remove any previous actions
// for ( uint i = 0; i < left->actionCollection()->count(); i++ )
// actionCollection()->take( left->actionCollection()->action( i ));
//}
delete left;
view->widget()->reparent( this, TQPoint(0,0) );
view->KFileView::setViewMode(All);
view->setParentView(this);
view->setSorting( sorting() );
left = view;
connect( left->signaler(), TQT_SIGNAL( fileHighlighted(const KFileItem*) ),
TQT_SLOT( slotHighlighted( const KFileItem * )));
// Why copy the actions? --ellis, 13 Jan 02.
//for ( uint i = 0; i < view->actionCollection()->count(); i++ )
// actionCollection()->insert( view->actionCollection()->action( i ));
}
// this url parameter is useless... it's the url of the current directory.
// what for?
void KFilePreview::setPreviewWidget(const TQWidget *w, const KURL &)
{
left->setOnlyDoubleClickSelectsFiles( onlyDoubleClickSelectsFiles() );
if (w) {
connect(this, TQT_SIGNAL( showPreview(const KURL &) ),
w, TQT_SLOT( showPreview(const KURL &) ));
connect( this, TQT_SIGNAL( clearPreview() ),
w, TQT_SLOT( clearPreview() ));
}
else {
preview->hide();
return;
}
delete preview;
preview = const_cast<TQWidget*>(w);
preview->reparent((TQSplitter*)this, 0, TQPoint(0, 0), true);
preview->resize(preview->tqsizeHint());
preview->show();
}
void KFilePreview::insertItem(KFileItem *item)
{
KFileView::insertItem( item );
left->insertItem(item);
}
void KFilePreview::setSorting( TQDir::SortSpec sort )
{
left->setSorting( sort );
KFileView::setSorting( left->sorting() );
}
void KFilePreview::clearView()
{
left->clearView();
emit clearPreview();
}
void KFilePreview::updateView(bool b)
{
left->updateView(b);
if(preview)
preview->tqrepaint(b);
}
void KFilePreview::updateView(const KFileItem *i)
{
left->updateView(i);
}
void KFilePreview::removeItem(const KFileItem *i)
{
if ( left->isSelected( i ) )
emit clearPreview();
left->removeItem(i);
KFileView::removeItem( i );
}
void KFilePreview::listingCompleted()
{
left->listingCompleted();
}
void KFilePreview::clear()
{
KFileView::clear();
left->KFileView::clear();
}
void KFilePreview::clearSelection()
{
left->clearSelection();
emit clearPreview();
}
void KFilePreview::selectAll()
{
left->selectAll();
}
void KFilePreview::invertSelection()
{
left->invertSelection();
}
bool KFilePreview::isSelected( const KFileItem *i ) const
{
return left->isSelected( i );
}
void KFilePreview::setSelectionMode(KFile::SelectionMode sm) {
left->setSelectionMode( sm );
}
void KFilePreview::setSelected(const KFileItem *item, bool enable) {
left->setSelected( item, enable );
}
void KFilePreview::setCurrentItem( const KFileItem *item )
{
left->setCurrentItem( item );
}
KFileItem * KFilePreview::currentFileItem() const
{
return left->currentFileItem();
}
void KFilePreview::slotHighlighted(const KFileItem* item)
{
if ( item )
emit showPreview( item->url() );
else { // item = 0 -> multiselection mode
const KFileItemList *items = selectedItems();
if ( items->count() == 1 )
emit showPreview( items->getFirst()->url() );
else
emit clearPreview();
}
// the preview widget appears and takes some space of the left view,
// so we may have to scroll to make the current item visible
left->ensureItemVisible(item);
}
void KFilePreview::ensureItemVisible(const KFileItem *item)
{
left->ensureItemVisible(item);
}
KFileItem * KFilePreview::firstFileItem() const
{
return left->firstFileItem();
}
KFileItem * KFilePreview::nextItem( const KFileItem *item ) const
{
return left->nextItem( item );
}
KFileItem * KFilePreview::prevItem( const KFileItem *item ) const
{
return left->prevItem( item );
}
KActionCollection * KFilePreview::actionCollection() const
{
if ( left )
return left->actionCollection();
else {
kdWarning() << "KFilePreview::actionCollection(): called before setFileView()." << endl; //ellis
return KFileView::actionCollection();
}
}
void KFilePreview::readConfig( KConfig *config, const TQString& group )
{
left->readConfig( config, group );
}
void KFilePreview::writeConfig( KConfig *config, const TQString& group )
{
left->writeConfig( config, group );
}
void KFilePreview::virtual_hook( int id, void* data )
{ KFileView::virtual_hook( id, data ); }