C++ KFileItemList::append方法代码示例

void DirModel::delayedPreview()
{
    QHash<QUrl, QPersistentModelIndex>::const_iterator i = m_filesToPreview.constBegin();

    KFileItemList list;

    while (i != m_filesToPreview.constEnd()) {
        QUrl file = i.key();
        QPersistentModelIndex index = i.value();


        if (!m_previewJobs.contains(file) && file.isValid()) {
            list.append(KFileItem(file, QString(), 0));
            m_previewJobs.insert(file, QPersistentModelIndex(index));
        }

        ++i;
    }

    if (list.size() > 0) {
        KIO::PreviewJob* job = KIO::filePreview(list, m_screenshotSize);
        job->setIgnoreMaximumSize(true);
        // qDebug() << "Created job" << job;
        connect(job, &KIO::PreviewJob::gotPreview,
                this, &DirModel::showPreview);
        connect(job, &KIO::PreviewJob::failed,
                this, &DirModel::previewFailed);
    }

    m_filesToPreview.clear();
}

void BatchProcessImagesDialog::slotImageSelected(QTreeWidgetItem * item)
{
    if (!item || m_listFiles->topLevelItemCount() == 0)
    {
        m_ui->m_imageLabel->clear();
        return;
    }

    BatchProcessImagesItem *pitem = static_cast<BatchProcessImagesItem*>(item);

    m_ui->m_imageLabel->clear();

    QString IdemIndexed = "file:" + pitem->pathSrc();

    KUrl url(IdemIndexed);

    if ( !url.isValid() )
        return;

#if KDE_IS_VERSION(4,7,0)
    KFileItemList items;
    items.append(KFileItem(KFileItem::Unknown, KFileItem::Unknown, url, true));
    KIO::PreviewJob* m_thumbJob = KIO::filePreview(items, QSize(m_ui->m_imageLabel->height(), m_ui->m_imageLabel->height()));
#else
    KIO::PreviewJob* m_thumbJob = KIO::filePreview(url, m_ui->m_imageLabel->height());
#endif

    connect(m_thumbJob, SIGNAL(gotPreview(KFileItem,QPixmap)),
            this, SLOT(slotGotPreview(KFileItem,QPixmap)));
}

void ThumbView::slImageChanged( KFileItem *kfit )
{
   if( ! kfit ) return;
   // kdDebug(28000) << "changes to one thumbnail!" << endl;

   KURL thumbDir = currentDir();
   KURL itemUrl = kfit->url();

   /* delete filename */
   itemUrl.setFileName( QString());
   if( !itemUrl.equals( thumbDir, true ))
   {
      // kdDebug(28000) << "returning, because directory does not match: " << itemUrl.prettyURL() << endl;
      // kdDebug(28000) << "and my URL: " << thumbDir.prettyURL() << endl;
      return;
   }

   if( deleteImage( kfit ))
   {
      kdDebug(28000) << "was changed, deleted first!" << endl;
   }
   /* Trigger a new reading */
   KFileItemList li;
   li.append( kfit );
   slNewFileItems( li );
}

void KrPreviewJob::slotStartJob()
{
    ASSERT(_job == 0);
    ASSERT(!_scheduled.isEmpty());

    _hash.clear();
    sort();

    int size = _parent->_view->fileIconSize();

    KFileItemList list;
    for(int i = 0; i < _scheduled.count() && i < MAX_CHUNK_SIZE; i++) {
        KFileItem fi(_scheduled[i]->getVfile()->vfile_getUrl(), 0, 0);
        list.append(fi);
        _hash.insert(fi, _scheduled[i]);
    }
    QStringList allPlugins = KIO::PreviewJob::availablePlugins();
    _job = new KIO::PreviewJob(list, QSize(size, size), &allPlugins);
    _job->setOverlayIconAlpha(0);
    _job->setOverlayIconSize(0);
    _job->setScaleType(KIO::PreviewJob::ScaledAndCached);
    connect(_job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)), SLOT(slotGotPreview(const KFileItem&, const QPixmap&)));
    connect(_job, SIGNAL(failed(const KFileItem&)), SLOT(slotFailed(const KFileItem&)));
    connect(_job, SIGNAL(result(KJob*)), SLOT(slotJobResult(KJob*)));
}

void  ThumbView::slCheckForUpdate( KFileItem *kfit )
{
   if( ! kfit ) return;

   kdDebug(28000) << "Checking for update of thumbview!" << endl;

   KURL searchUrl = kfit->url();
   bool haveItem = false;

   /* iterate over all icon items and compare urls.
    * TODO: Check the parent url to avoid iteration over all */
   for ( QIconViewItem *item = m_iconView->firstItem(); item && !haveItem;
	 item = item->nextItem() )
   {
      if( searchUrl == static_cast<ThumbViewItem*>(item)->itemUrl() )
      {
	 haveItem = true;
      }
   }

   /* if we still do not have the item, it is not in the thumbview. */
   if( ! haveItem )
   {
      KFileItemList kfiList;

      kfiList.append( kfit );
      slNewFileItems( kfiList );
   }

}

void UploadDialog::imageSelected(QTreeWidgetItem* item)
{
    if( !item || m_transferring )
    {
        m_imagePreview->clear();
        return;
    }

    ImageListItem* pitem = static_cast<ImageListItem*>( item );
    if ( !pitem ) return;

    m_imagePreview->clear();

    QString IdemIndexed = "file:" + pitem->pathSrc();

    KUrl url( IdemIndexed );

    if ( !url.isValid() )
        return;

#if KDE_IS_VERSION(4,7,0)
    KFileItemList items;
    items.append(KFileItem(KFileItem::Unknown, KFileItem::Unknown, url, true));
    KIO::PreviewJob* m_thumbJob = KIO::filePreview(items, QSize(m_imagePreview->height(), m_imagePreview->height()));
#else
    KIO::PreviewJob* m_thumbJob = KIO::filePreview(url, m_imagePreview->height());
#endif

    connect(m_thumbJob, SIGNAL(gotPreview(const KFileItem*,QPixmap)),
            this,   SLOT(gotImagePreview(const KFileItem*,QPixmap)) );
}

bool TrashImpl::synchronousDel( const TQString& path, bool setLastErrorCode, bool isDir )
{
    const int oldErrorCode = m_lastErrorCode;
    const TQString oldErrorMsg = m_lastErrorMessage;
    KURL url;
    url.setPath( path );

    // First ensure that all dirs have u+w permissions,
    // otherwise we won't be able to delete files in them (#130780).
    if ( isDir ) {
        kdDebug() << k_funcinfo << "chmod'ing " << url << endl;
        KFileItem fileItem( url, "inode/directory", KFileItem::Unknown );
        KFileItemList fileItemList;
        fileItemList.append( &fileItem );
        TDEIO::ChmodJob* chmodJob = TDEIO::chmod( fileItemList, 0200, 0200, TQString::null, TQString::null, true /*recursive*/, false /*showProgressInfo*/ );
        connect( chmodJob, TQT_SIGNAL( result(TDEIO::Job *) ),
                 this, TQT_SLOT( jobFinished(TDEIO::Job *) ) );
        tqApp->eventLoop()->enterLoop();
    }

    kdDebug() << k_funcinfo << "deleting " << url << endl;
    TDEIO::DeleteJob *job = TDEIO::del( url, false, false );
    connect( job, TQT_SIGNAL( result(TDEIO::Job *) ),
             this, TQT_SLOT( jobFinished(TDEIO::Job *) ) );
    tqApp->eventLoop()->enterLoop();
    bool ok = m_lastErrorCode == 0;
    if ( !setLastErrorCode ) {
        m_lastErrorCode = oldErrorCode;
        m_lastErrorMessage = oldErrorMsg;
    }
    return ok;
}

// caller needs to delete the returned list!
static KFileItemList * fileItemList( const TDECmdLineArgs *args )
{
    KFileItemList * items = new KFileItemList();
    items->setAutoDelete( true );
    for ( int i = 0; i < args->count(); i++ )
        items->append( new KFileItem( KFileItem::Unknown,
                                     KFileItem::Unknown,
                                     args->url( i ) ));
    return items;
}

void PreviewTest::slotGenerate()
{
    KFileItemList items;
    items.append(KFileItem(QUrl::fromUserInput(m_url->text())));

    KIO::PreviewJob *job = KIO::filePreview(items, QSize(m_preview->width(), m_preview->height()));
    connect(job, SIGNAL(result(KJob*)), SLOT(slotResult(KJob*)));
    connect(job, SIGNAL(gotPreview(KFileItem,QPixmap)), SLOT(slotPreview(KFileItem,QPixmap)));
    connect(job, SIGNAL(failed(KFileItem)), SLOT(slotFailed()));
}

void KSysinfoPart::slotResult( KIO::Job *job )
{
    KIO::StatJob *sjob = dynamic_cast<KIO::StatJob*>( job );
    if (!job)
        return;

    KFileItem item(sjob->statResult(), sjob->url());
    KFileItemList list;
    list.append(&item);
    emit browserExtension()->popupMenu( 0, QCursor::pos(), list );
}

void IconView::contextMenuEvent( QContextMenuEvent* event )
{
    QModelIndex index = indexAt( event->pos() );
    if ( !index.isValid() || m_selectionModel->selectedIndexes().isEmpty() ) {
        QMenu* menu = new QMenu;
        menu->addAction( m_actionCollection.action( "new_menu" ) );
        menu->addSeparator();
        menu->addAction( m_actionCollection.action( "undo" ) );
        menu->addAction( m_actionCollection.action( "paste" ) );
        menu->addSeparator();
        menu->addAction( m_actionCollection.action( "refresh" ) );
        menu->addSeparator();
        menu->addAction( m_actionCollection.action( "wallpaper" ) );
        if ( event->reason() == QContextMenuEvent::Keyboard )
            menu->exec( QPoint( 0, 0 ) );
        else
            menu->exec( event->pos() );
        delete menu;
        return;
    }

    KFileItemList items;
    foreach ( const QModelIndex &index, m_selectionModel->selectedIndexes() ) {
        KFileItem item = m_model->itemForIndex( m_proxyModel->mapToSource( index ) );
        if ( !item.isNull() )
            items.append( item );
    }

    QAction* pasteTo = m_actionCollection.action( "pasteto" );
    if ( pasteTo ) {
        pasteTo->setEnabled( m_actionCollection.action( "paste" )->isEnabled() );
        pasteTo->setText( m_actionCollection.action( "paste" )->text() );
    }

    QList<QAction*> editActions;
    editActions.append( m_actionCollection.action( "rename" ) );
    editActions.append( m_actionCollection.action( "trash" ) );
    KConfigGroup configGroup( KGlobal::config(), "KDE" );
    bool showDeleteCommand = configGroup.readEntry( "ShowDeleteCommand", false );
    if ( showDeleteCommand )
        editActions.append( m_actionCollection.action( "del" ) );
    KParts::BrowserExtension::ActionGroupMap actionGroups;
    actionGroups.insert( "editactions", editActions );
    KParts::BrowserExtension::PopupFlags flags = KParts::BrowserExtension::ShowProperties;
    flags |= KParts::BrowserExtension::ShowUrlOperations;
    KonqPopupMenu* contextMenu = new KonqPopupMenu( items, KUrl(QDir::homePath()), m_actionCollection, m_newMenu,
                                                    KonqPopupMenu::ShowNewWindow, flags,
                                                    QApplication::desktop(),
                                                    KBookmarkManager::userBookmarksManager(),
                                                    actionGroups );
    contextMenu->exec( event->pos() );
    delete contextMenu;
}

void CFontFileListView::properties()
{
    QList<QTreeWidgetItem *> items(selectedItems());
    QTreeWidgetItem          *item;
    KFileItemList            files;

    foreach(item, items)
        if(item->parent())
            files.append(KFileItem(KUrl::fromPath(item->text(0)),
                                   KMimeType::findByPath(item->text(0))->name(),
                                   item->text(COL_LINK).isEmpty() ? S_IFREG : S_IFLNK));

    if(files.count())
    {
        KPropertiesDialog dlg(files, this);
        dlg.exec();
    }
}

void IconManager::updatePreviews()
{
    if (!m_showPreview) {
        return;
    }

    killPreviewJobs();
    m_pendingItems.clear();
    m_dispatchedItems.clear();

    KFileItemList itemList;
    const int rowCount = m_model->rowCount();
    for (int row = 0; row < rowCount; ++row) {
        const QModelIndex index = m_model->index(row, 0);
        KFileItem item = m_model->itemForIndex(index);
        itemList.append(item);
    }

    generatePreviews(itemList);
}

void Interface::thumbnails(const KUrl::List& list, int size)
{
    PrintWarningMessageFeature("HostSupportsThumbnails");

#if KDE_IS_VERSION(4,7,0)
    KFileItemList items;
    for (KUrl::List::ConstIterator it = list.begin() ; it != list.end() ; ++it)
    {
        if ((*it).isValid())
            items.append(KFileItem(KFileItem::Unknown, KFileItem::Unknown, *it, true));
    }
    KIO::PreviewJob* job = KIO::filePreview(items, QSize(size, size));
#else
    KIO::PreviewJob *job = KIO::filePreview(list, size);
#endif

    connect(job, SIGNAL(gotPreview(KFileItem,QPixmap)),
            this, SLOT(gotKDEPreview(KFileItem,QPixmap)));

    connect(job, SIGNAL(failed(KFileItem)),
            this, SLOT(failedKDEPreview(KFileItem)));
}

void KuickShow::performDeleteCurrentImage(QWidget *parent)
{
    assert(fileWidget != 0L);

    KFileItemList list;
    KFileItem *item = fileWidget->getCurrentItem(false);
    list.append (item);

    if (KMessageBox::warningContinueCancel(
            parent,
            i18n("<qt>Do you really want to delete\n <b>'%1'</b>?</qt>").arg(item->url().pathOrURL()),
            i18n("Delete File"),
            KStdGuiItem::del(),
            "Kuick_delete_current_image")
        != KMessageBox::Continue)
    {
        return;
    }

    tryShowNextImage();
    fileWidget->del(list, false, false);
}