C++ KFileItemList::first方法代码示例

void InformationPanel::setSelection(const KFileItemList& selection)
{
    if (!isVisible()) {
        return;
    }

    if (selection.isEmpty() && m_selection.isEmpty()) {
        // The selection has not really changed, only the current index.
        // QItemSelectionModel emits a signal in this case and it is less
        // expensive doing the check this way instead of patching
        // DolphinView::emitSelectionChanged().
        return;
    }

    m_selection = selection;
    m_fileItem = KFileItem();

    const int count = selection.count();
    if (count == 0) {
        if (!isEqualToShownUrl(url())) {
            m_shownUrl = url();
            showItemInfo();
        }
    } else {
        if ((count == 1) && !selection.first().url().isEmpty()) {
            m_urlCandidate = selection.first().url();
        }
        m_infoTimer->start();
    }
}

void KFileItemListPropertiesPrivate::determineMimeTypeAndGroup() const
{
    if (!m_items.isEmpty()) {
        m_mimeType = m_items.first().mimetype();
        m_mimeGroup = m_mimeType.left(m_mimeType.indexOf('/'));
    }
    foreach (const KFileItem &item, m_items) {
        const QString itemMimeType = item.mimetype();
        // Determine if common mimetype among all items
        if (m_mimeType != itemMimeType) {
            m_mimeType.clear();
            if (m_mimeGroup != itemMimeType.left(itemMimeType.indexOf('/'))) {
                m_mimeGroup.clear(); // mimetype groups are different as well!
            }
        }
    }
}

AkregatorMenu::AkregatorMenu( KonqPopupMenu * popupmenu, const char *name, const QStringList& /* list */ )
    : KonqPopupMenuPlugin( popupmenu, name), PluginBase(), m_conf(0), m_part(0)
{
    kdDebug() << "AkregatorMenu::AkregatorMenu()" << endl;
    if ( QCString( kapp->name() ) == "kdesktop" && !kapp->authorize("editable_desktop_icons" ) )
        return;

    // Do nothing if user has turned us off.
    // TODO: Not yet implemented in aKregator settings.
    /*m_conf = new KConfig( "akregatorrc" );
    m_conf->setGroup( "AkregatorKonqPlugin" );
    if ( !m_conf->readBoolEntry( "Enable", true ) )
        return;
    */
    
    KHTMLView* view = 0L;
          
    if (popupmenu && popupmenu->parent() && popupmenu->parent()->inherits("KHTMLView"))
            view = static_cast<KHTMLView*>(popupmenu->parent());
    
    if (view)
        m_part = view->part();
     
    KGlobal::locale()->insertCatalogue("akregator_konqplugin");
    m_feedMimeTypes << "text/rss" << "text/rdf" << "text/xml";
    // Get the list of URLs clicked on from Konqi.
    //KFileItemList m_list = popupmenu->fileItemList();
    // See if any are RSS feeds.
    
    KFileItemList list = popupmenu->fileItemList();
    KFileItem* it = list.first();
    while (it != 0)
    {
	if (isFeedUrl(it))
        {
	    kdDebug() << "AkregatorMenu: found feed URL " << it->url().prettyURL() << endl;
            KAction *action = new KAction( i18n( "Add Feed to Akregator" ), "akregator", 0, this, SLOT( slotAddFeed() ), actionCollection(), "akregatorkonqplugin_mnu" );
            addAction( action );
            addSeparator();
	    m_feedURL = it->url().url();
            break;
        }
	
	it = list.next();
    }
}

QList<QAction*> VersionControlObserver::actions(const KFileItemList& items) const
{
    QList<QAction*> actions;

    bool hasNullItems = false;
    foreach (const KFileItem& item, items) {
        if (item.isNull()) {
            kWarning() << "Requesting version-control-actions for empty items";
            hasNullItems = true;
            break;
        }
    }

    if (!m_model || hasNullItems) {
        return actions;
    }

    KVersionControlPlugin2* pluginV2 = qobject_cast<KVersionControlPlugin2*>(m_plugin);
    if (pluginV2) {
        // Use version 2 of the KVersionControlPlugin which allows providing actions
        // also for non-versioned directories.
        actions = pluginV2->actions(items);
    } else if (isVersioned()) {
        // Support deprecated interfaces from KVersionControlPlugin version 1.
        // Context menu actions where only available for versioned directories.
        QString directory;
        if (items.count() == 1) {
            const KFileItem rootItem = m_model->rootItem();
            if (!rootItem.isNull() && items.first().url() == rootItem.url()) {
                directory = rootItem.url().path(KUrl::AddTrailingSlash);
            }
        }

        actions = directory.isEmpty() ? m_plugin->contextMenuActions(items)
                                      : m_plugin->contextMenuActions(directory);
    }

    return actions;
}

void KonqPopupMenuPrivate::init(KonqPopupMenu::Flags kpf, KParts::BrowserExtension::PopupFlags flags)
{
    m_itemFlags = flags;
    q->setFont(KGlobalSettings::menuFont());

    Q_ASSERT(m_popupItemProperties.items().count() >= 1);

    bool bTrashIncluded = false;

    const KFileItemList lstItems = m_popupItemProperties.items();
    KFileItemList::const_iterator it = lstItems.constBegin();
    const KFileItemList::const_iterator kend = lstItems.constEnd();
    for ( ; it != kend; ++it )
    {
        const KUrl url = (*it).url();
        if ( !bTrashIncluded && (
             ( url.protocol() == "trash" && url.path().length() <= 1 ) ) ) {
            bTrashIncluded = true;
        }
    }

    const bool isDirectory = m_popupItemProperties.isDirectory();
    const bool sReading = m_popupItemProperties.supportsReading();
    bool sDeleting = (m_itemFlags & KParts::BrowserExtension::NoDeletion) == 0
                     && m_popupItemProperties.supportsDeleting();
    const bool sWriting = m_popupItemProperties.supportsWriting();
    const bool sMoving = sDeleting && m_popupItemProperties.supportsMoving();
    const bool isLocal = m_popupItemProperties.isLocal();

    KUrl url = m_sViewURL;
    url.cleanPath();

    bool isTrashLink     = false;
    bool isCurrentTrash = false;
    bool currentDir     = false;
    bool isSymLink = false;
    bool isSymLinkInSameDir = false; // true for "ln -s foo bar", false for links to foo/sub or /foo

    //check if url is current directory
    if ( lstItems.count() == 1 )
    {
        KFileItem firstPopupItem( lstItems.first() );
        if (firstPopupItem.isLink()) {
            isSymLink = true;
            isSymLinkInSameDir = !firstPopupItem.linkDest().contains('/');
        }
        KUrl firstPopupURL( firstPopupItem.url() );
        firstPopupURL.cleanPath();
        //kDebug(1203) << "View path is " << url.url();
        //kDebug(1203) << "First popup path is " << firstPopupURL.url();
        currentDir = firstPopupURL.equals( url, KUrl::CompareWithoutTrailingSlash );
        if ( firstPopupItem.isDesktopFile() ) {
            KDesktopFile desktopFile( firstPopupItem.localPath() );
            const KConfigGroup cfg = desktopFile.desktopGroup();
            isTrashLink = ( cfg.readEntry("Type") == "Link" && cfg.readEntry("URL") == "trash:/" );
        }

        if (isTrashLink) {
            sDeleting = false;
        }

        // isCurrentTrash: popup on trash:/ itself, or on the trash.desktop link
        isCurrentTrash = (firstPopupURL.protocol() == "trash" && firstPopupURL.path().length() <= 1)
                         || isTrashLink;
    }

    const bool isIntoTrash = (url.protocol() == "trash") && !isCurrentTrash; // trashed file, not trash:/ itself

    const bool bIsLink  = (m_itemFlags & KParts::BrowserExtension::IsLink);

    //kDebug() << "isLocal=" << isLocal << " url=" << url << " isCurrentTrash=" << isCurrentTrash << " isIntoTrash=" << isIntoTrash << " bTrashIncluded=" << bTrashIncluded;

    //////////////////////////////////////////////////////////////////////////

    addGroup( "topactions" ); // used e.g. for ShowMenuBar. includes a separator at the end

    KAction * act;

    KAction *actNewWindow = 0;

#if 0 // TODO in the desktop code itself.
    if (( flags & KParts::BrowserExtension::ShowProperties ) && isOnDesktop &&
        !KAuthorized::authorizeKAction("editable_desktop_icons"))
    {
        flags &= ~KParts::BrowserExtension::ShowProperties; // remove flag
    }
#endif

    // Either 'newview' is in the actions we're given (probably in the tabhandling group)
    // or we need to insert it ourselves (e.g. for the desktop).
    // In the first case, actNewWindow must remain 0.
    if ( ((kpf & KonqPopupMenu::ShowNewWindow) != 0) && sReading )
    {
        const QString openStr = i18n("&Open");
        actNewWindow = new KAction(m_parentWidget /*for status tips*/);
        m_ownActions.append(actNewWindow);
        actNewWindow->setIcon( KIcon("window-new") );
        actNewWindow->setText( openStr );
        QObject::connect(actNewWindow, SIGNAL(triggered()), q, SLOT(slotPopupNewView()));
    }
//.........这里部分代码省略.........