kde-extraapps/juk/playlistbox.cpp

/**
 * Copyright (C) 2002-2004 Scott Wheeler <wheeler@kde.org>
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */

#include "playlistbox.h"

#include <kicon.h>
#include <kiconloader.h>
#include <kmessagebox.h>
#include <kmenu.h>
#include <kaction.h>
#include <kactioncollection.h>
#include <kdebug.h>
#include <ktoggleaction.h>
#include <kselectaction.h>
#include <kconfiggroup.h>

#include <Q3Header>
#include <QPainter>
#include <QTimer>
#include <QDragLeaveEvent>
#include <QList>
#include <QDragMoveEvent>
#include <QKeyEvent>
#include <QDropEvent>
#include <QMouseEvent>
#include <QFileInfo>
#include <QTime>
#include <QApplication>
#include <QClipboard>

#include "playlist.h"
#include "collectionlist.h"
#include "dynamicplaylist.h"
#include "upcomingplaylist.h"
#include "historyplaylist.h"
#include "viewmode.h"
#include "searchplaylist.h"
#include "treeviewitemplaylist.h"
#include "actioncollection.h"
#include "cache.h"
#include "k3bexporter.h"
#include "tracksequencemanager.h"
#include "tagtransactionmanager.h"
#include "playermanager.h"
#include "dbuscollectionproxy.h"

using namespace ActionCollection;

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox public methods
////////////////////////////////////////////////////////////////////////////////

PlaylistBox::PlaylistBox(PlayerManager *player, QWidget *parent, QStackedWidget *playlistStack) :
    K3ListView(parent),
    PlaylistCollection(player, playlistStack),
    m_viewModeIndex(0),
    m_hasSelection(false),
    m_doingMultiSelect(false),
    m_dropItem(0),
    m_showTimer(0)
{
    readConfig();
    addColumn("Playlists", width());

    header()->blockSignals(true);
    header()->hide();
    header()->blockSignals(false);

    setSorting(0);
    setFullWidth(true);
    setItemMargin(3);

    setAcceptDrops(true);
    setSelectionModeExt(Extended);

    m_contextMenu = new KMenu(this);

    K3bPlaylistExporter *exporter = new K3bPlaylistExporter(this);
    m_k3bAction = exporter->action();

    m_contextMenu->addAction( action("file_new") );
    m_contextMenu->addAction( action("renamePlaylist") );
    m_contextMenu->addAction( action("editSearch") );
    m_contextMenu->addAction( action("duplicatePlaylist") );
    m_contextMenu->addAction( action("reloadPlaylist") );
    m_contextMenu->addAction( action("deleteItemPlaylist") );
    m_contextMenu->addAction( action("file_save") );
    m_contextMenu->addAction( action("file_save_as") );
    if(m_k3bAction)
        m_contextMenu->addAction( m_k3bAction );

    m_contextMenu->addSeparator();

    // add the view modes stuff

    KSelectAction *viewModeAction =
        new KSelectAction( KIcon("view-choose"), i18n("View Modes"), ActionCollection::actions());
    ActionCollection::actions()->addAction("viewModeMenu", viewModeAction);

    ViewMode* viewmode = new ViewMode(this);
    m_viewModes.append(viewmode);
    viewModeAction->addAction(KIcon("view-list-details"), viewmode->name());

    CompactViewMode* compactviewmode = new CompactViewMode(this);
    m_viewModes.append(compactviewmode);
    viewModeAction->addAction(KIcon("view-list-text"), compactviewmode->name());

    TreeViewMode* treeviewmode = new TreeViewMode(this);
    m_viewModes.append(treeviewmode);
    viewModeAction->addAction(KIcon("view-list-tree"), treeviewmode->name());

    CollectionList::initialize(this);

    viewModeAction->setCurrentItem(m_viewModeIndex);
    m_viewModes[m_viewModeIndex]->setShown(true);

    TrackSequenceManager::instance()->setCurrentPlaylist(CollectionList::instance());
    raise(CollectionList::instance());

    m_contextMenu->addAction( viewModeAction );
    connect(viewModeAction, SIGNAL(triggered(int)), this, SLOT(slotSetViewMode(int)));

    connect(this, SIGNAL(selectionChanged()),
            this, SLOT(slotPlaylistChanged()));

    connect(this, SIGNAL(doubleClicked(Q3ListViewItem*)),
            this, SLOT(slotDoubleClicked(Q3ListViewItem*)));

    connect(this, SIGNAL(contextMenuRequested(Q3ListViewItem*,QPoint,int)),
            this, SLOT(slotShowContextMenu(Q3ListViewItem*,QPoint,int)));

    TagTransactionManager *tagManager = TagTransactionManager::instance();
    connect(tagManager, SIGNAL(signalAboutToModifyTags()), SLOT(slotFreezePlaylists()));
    connect(tagManager, SIGNAL(signalDoneModifyingTags()), SLOT(slotUnfreezePlaylists()));

    setupUpcomingPlaylist();

    connect(CollectionList::instance(), SIGNAL(signalNewTag(QString,uint)),
            this, SLOT(slotAddItem(QString,uint)));
    connect(CollectionList::instance(), SIGNAL(signalRemovedTag(QString,uint)),
            this, SLOT(slotRemoveItem(QString,uint)));
    connect(CollectionList::instance(), SIGNAL(cachedItemsLoaded()),
            this, SLOT(slotLoadCachedPlaylists()));

    m_savePlaylistTimer = 0;

    KToggleAction *historyAction =
        new KToggleAction(KIcon("view-history"), i18n("Show &History"), ActionCollection::actions());
    ActionCollection::actions()->addAction("showHistory", historyAction);
    connect(historyAction, SIGNAL(triggered(bool)),
            this, SLOT(slotSetHistoryPlaylistEnabled(bool)));

    m_showTimer = new QTimer(this);
    connect(m_showTimer, SIGNAL(timeout()), SLOT(slotShowDropTarget()));

    // hook up to the D-Bus
    (void) new DBusCollectionProxy(this, this);
}

PlaylistBox::~PlaylistBox()
{
    PlaylistList l;
    CollectionList *collection = CollectionList::instance();
    for(Q3ListViewItem *i = firstChild(); i; i = i->nextSibling()) {
        Item *item = static_cast<Item *>(i);
        if(item->playlist() && item->playlist() != collection)
            l.append(item->playlist());
    }

    Cache::savePlaylists(l);
    saveConfig();
}

void PlaylistBox::raise(Playlist *playlist)
{
    if(!playlist)
        return;

    Item *i = m_playlistDict.value(playlist, 0);

    if(i) {
        clearSelection();
        setSelected(i, true);

        setSingleItem(i);
        ensureItemVisible(currentItem());
    }
    else
        PlaylistCollection::raise(playlist);

    slotPlaylistChanged();
}

void PlaylistBox::duplicate()
{
    Item *item = static_cast<Item *>(currentItem());
    if(!item || !item->playlist())
        return;

    QString name = playlistNameDialog(i18nc("verb, copy the playlist", "Duplicate"), item->text(0));

    if(name.isNull())
        return;

    Playlist *p = new Playlist(this, name);
    p->createItems(item->playlist()->items());
}

void PlaylistBox::scanFolders()
{
    kDebug() << "Starting folder scan";
    QTime stopwatch; stopwatch.start();

    PlaylistCollection::scanFolders();

    kDebug() << "Folder scan complete, took" << stopwatch.elapsed() << "ms";
    kDebug() << "Startup complete!";
    emit startupComplete();
}

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox public slots
////////////////////////////////////////////////////////////////////////////////

void PlaylistBox::paste()
{
    Item *i = static_cast<Item *>(currentItem());
    decode(QApplication::clipboard()->mimeData(), i);
}

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox protected methods
////////////////////////////////////////////////////////////////////////////////

void PlaylistBox::slotFreezePlaylists()
{
    setDynamicListsFrozen(true);
}

void PlaylistBox::slotUnfreezePlaylists()
{
    setDynamicListsFrozen(false);
}

void PlaylistBox::slotPlaylistDataChanged()
{
    if(m_savePlaylistTimer)
        m_savePlaylistTimer->start(); // Restarts the timer if it's already running.
}

void PlaylistBox::slotSetHistoryPlaylistEnabled(bool enable)
{
    setHistoryPlaylistEnabled(enable);
}

void PlaylistBox::setupPlaylist(Playlist *playlist, const QString &iconName)
{
    setupPlaylist(playlist, iconName, 0);
}

void PlaylistBox::setupPlaylist(Playlist *playlist, const QString &iconName, Item *parentItem)
{
    connect(playlist, SIGNAL(signalPlaylistItemsDropped(Playlist*)),
            SLOT(slotPlaylistItemsDropped(Playlist*)));

    PlaylistCollection::setupPlaylist(playlist, iconName);

    if(parentItem)
        new Item(parentItem, iconName, playlist->name(), playlist);
    else
        new Item(this, iconName, playlist->name(), playlist);
}

void PlaylistBox::removePlaylist(Playlist *playlist)
{
    // Could be false if setup() wasn't run yet.
    if(m_playlistDict.contains(playlist)) {
        removeNameFromDict(m_playlistDict[playlist]->text(0));
        delete m_playlistDict[playlist]; // Delete the Item*
    }

    removeFileFromDict(playlist->fileName());
    m_playlistDict.remove(playlist);
}

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox private methods
////////////////////////////////////////////////////////////////////////////////

void PlaylistBox::readConfig()
{
    KConfigGroup config(KGlobal::config(), "PlaylistBox");
    m_viewModeIndex = config.readEntry("ViewMode", 0);
}

void PlaylistBox::saveConfig()
{
    KConfigGroup config(KGlobal::config(), "PlaylistBox");
    config.writeEntry("ViewMode", action<KSelectAction>("viewModeMenu")->currentItem());
    KGlobal::config()->sync();
}

void PlaylistBox::remove()
{
    ItemList items = selectedBoxItems();

    if(items.isEmpty())
        return;

    QStringList files;
    QStringList names;

    foreach(Item *item, items) {
        if(item && item->playlist())
        {
           if (!item->playlist()->fileName().isEmpty() &&
               QFileInfo(item->playlist()->fileName()).exists())
           {
            files.append(item->playlist()->fileName());
           }

           names.append(item->playlist()->name());
        }
    }

    if(!files.isEmpty()) {
        int remove = KMessageBox::warningYesNoCancelList(
            this, i18n("Do you want to delete these files from the disk as well?"), files, QString(), KStandardGuiItem::del(), KGuiItem(i18n("Keep")));

        if(remove == KMessageBox::Yes) {
            QStringList couldNotDelete;
            for(QStringList::ConstIterator it = files.constBegin(); it != files.constEnd(); ++it) {
                if(!QFile::remove(*it))
                    couldNotDelete.append(*it);
            }

            if(!couldNotDelete.isEmpty())
                KMessageBox::errorList(this, i18n("Could not delete these files."), couldNotDelete);
        }
        else if(remove == KMessageBox::Cancel)
            return;
    }
    else if(items.count() > 1 || items.front()->playlist() != upcomingPlaylist()) {
        if(KMessageBox::warningContinueCancelList(this,
                                                  i18n("Are you sure you want to remove these "
                                                       "playlists from your collection?"),
                                                  names,
                                                  i18n("Remove Items?"),
                                                  KGuiItem(i18n("&Remove"), "user-trash")) == KMessageBox::Cancel)
        {
            return;
        }
    }

    PlaylistList removeQueue;

    for(ItemList::ConstIterator it = items.constBegin(); it != items.constEnd(); ++it) {
        if(*it != Item::collectionItem() &&
           (*it)->playlist() &&
           (!(*it)->playlist()->readOnly()))
        {
            removeQueue.append((*it)->playlist());
        }
    }

    if(items.back()->nextSibling() && static_cast<Item *>(items.back()->nextSibling())->playlist())
        setSingleItem(items.back()->nextSibling());
    else {
        Item *i = static_cast<Item *>(items.front()->itemAbove());
        while(i && !i->playlist())
            i = static_cast<Item *>(i->itemAbove());

        if(!i)
            i = Item::collectionItem();

        setSingleItem(i);
    }

    for(PlaylistList::ConstIterator it = removeQueue.constBegin(); it != removeQueue.constEnd(); ++it) {
        if(*it != upcomingPlaylist())
            delete *it;
        else {
            action<KToggleAction>("showUpcoming")->setChecked(false);
            setUpcomingPlaylistEnabled(false);
        }
    }
}

void PlaylistBox::setDynamicListsFrozen(bool frozen)
{
    for(QList<ViewMode *>::Iterator it = m_viewModes.begin();
        it != m_viewModes.end();
        ++it)
    {
        (*it)->setDynamicListsFrozen(frozen);
    }
}

void PlaylistBox::slotSavePlaylists()
{
    kDebug() << "Auto-saving playlists.\n";

    PlaylistList l;
    CollectionList *collection = CollectionList::instance();
    for(Q3ListViewItem *i = firstChild(); i; i = i->nextSibling()) {
        Item *item = static_cast<Item *>(i);
        if(item->playlist() && item->playlist() != collection)
            l.append(item->playlist());
    }

    Cache::savePlaylists(l);
}

void PlaylistBox::slotShowDropTarget()
{
    if(!m_dropItem) {
        kError() << "Trying to show the playlist of a null item!\n";
        return;
    }

    raise(m_dropItem->playlist());
}

void PlaylistBox::slotAddItem(const QString &tag, unsigned column)
{
    for(QList<ViewMode *>::Iterator it = m_viewModes.begin(); it != m_viewModes.end(); ++it)
        (*it)->addItems(QStringList(tag), column);
}

void PlaylistBox::slotRemoveItem(const QString &tag, unsigned column)
{
    for(QList<ViewMode *>::Iterator it = m_viewModes.begin(); it != m_viewModes.end(); ++it)
        (*it)->removeItem(tag, column);
}

void PlaylistBox::decode(const QMimeData *s, Item *item)
{
    if(!s || (item && item->playlist() && item->playlist()->readOnly()))
        return;

    const KUrl::List urls = KUrl::List::fromMimeData(s);

    if(!urls.isEmpty()) {
        QStringList files;
        for(KUrl::List::ConstIterator it = urls.constBegin(); it != urls.constEnd(); ++it)
            files.append((*it).path());

        if(item) {
            TreeViewItemPlaylist *playlistItem;
            playlistItem = dynamic_cast<TreeViewItemPlaylist *>(item->playlist());
            if(playlistItem) {
                playlistItem->retag(files, currentPlaylist());
                TagTransactionManager::instance()->commit();
                currentPlaylist()->update();
                return;
            }
        }

        if(item && item->playlist())
            item->playlist()->addFiles(files);
        else {
            QString name = playlistNameDialog();
            if(!name.isNull()) {
                Playlist *p = new Playlist(this, name);
                p->addFiles(files);
            }
        }
    }
}

void PlaylistBox::contentsDropEvent(QDropEvent *e)
{
    m_showTimer->stop();

    Item *i = static_cast<Item *>(itemAt(contentsToViewport(e->pos())));
    decode(e->mimeData(), i);

    if(m_dropItem) {
        Item *old = m_dropItem;
        m_dropItem = 0;
        old->repaint();
    }
}

void PlaylistBox::contentsDragMoveEvent(QDragMoveEvent *e)
{
    // If we can decode the input source, there is a non-null item at the "move"
    // position, the playlist for that Item is non-null, is not the
    // selected playlist and is not the CollectionList, then accept the event.
    //
    // Otherwise, do not accept the event.

    if (!KUrl::List::canDecode(e->mimeData())) {
        e->setAccepted(false);
        return;
    }

    Item *target = static_cast<Item *>(itemAt(contentsToViewport(e->pos())));

    if(target) {

        if(target->playlist() && target->playlist()->readOnly())
            return;

        // This is a semi-dirty hack to check if the items are coming from within
        // JuK.  If they are not coming from a Playlist (or subclass) then the
        // dynamic_cast will fail and we can safely assume that the item is
        // coming from outside of JuK.

        if(dynamic_cast<Playlist *>(e->source())) {
            if(target->playlist() &&
               target->playlist() != CollectionList::instance() &&
               !target->isSelected())
            {
                e->setAccepted(true);
            }
            else
                e->setAccepted(false);
        }
        else // the dropped items are coming from outside of JuK
            e->setAccepted(true);

        if(m_dropItem != target) {
            Item *old = m_dropItem;
            m_showTimer->stop();

            if(e->isAccepted()) {
                m_dropItem = target;
                target->repaint();
                m_showTimer->setSingleShot(true);
                m_showTimer->start(1500);
            }
            else
                m_dropItem = 0;

            if(old)
                old->repaint();
        }
    }
    else {

        // We're dragging over the whitespace.  We'll use this case to make it
        // possible to create new lists.

        e->setAccepted(true);
    }
}

void PlaylistBox::contentsDragLeaveEvent(QDragLeaveEvent *e)
{
    if(m_dropItem) {
        Item *old = m_dropItem;
        m_dropItem = 0;
        old->repaint();
    }
    K3ListView::contentsDragLeaveEvent(e);
}

void PlaylistBox::contentsMousePressEvent(QMouseEvent *e)
{
    if(e->button() == Qt::LeftButton)
        m_doingMultiSelect = true;
    K3ListView::contentsMousePressEvent(e);
}

void PlaylistBox::contentsMouseReleaseEvent(QMouseEvent *e)
{
    if(e->button() == Qt::LeftButton) {
        m_doingMultiSelect = false;
        slotPlaylistChanged();
    }
    K3ListView::contentsMouseReleaseEvent(e);
}

void PlaylistBox::keyPressEvent(QKeyEvent *e)
{
    if((e->key() == Qt::Key_Up || e->key() == Qt::Key_Down) && e->modifiers() == Qt::ShiftButton)
        m_doingMultiSelect = true;
    K3ListView::keyPressEvent(e);
}

void PlaylistBox::keyReleaseEvent(QKeyEvent *e)
{
    if(m_doingMultiSelect && e->key() == Qt::Key_Shift) {
        m_doingMultiSelect = false;
        slotPlaylistChanged();
    }
    K3ListView::keyReleaseEvent(e);
}

PlaylistBox::ItemList PlaylistBox::selectedBoxItems() const
{
    ItemList l;

    for(Q3ListViewItemIterator it(const_cast<PlaylistBox *>(this),
                                 Q3ListViewItemIterator::Selected); it.current(); ++it)
        l.append(static_cast<Item *>(*it));

    return l;
}

void PlaylistBox::setSingleItem(Q3ListViewItem *item)
{
    setSelectionModeExt(Single);
    K3ListView::setCurrentItem(item);
    setSelectionModeExt(Extended);
}

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox private slots
////////////////////////////////////////////////////////////////////////////////

void PlaylistBox::slotPlaylistChanged()
{
    // Don't update while the mouse is pressed down.

    if(m_doingMultiSelect)
        return;

    ItemList items = selectedBoxItems();
    m_hasSelection = !items.isEmpty();

    bool allowReload = false;

    PlaylistList playlists;
    for(ItemList::ConstIterator it = items.constBegin(); it != items.constEnd(); ++it) {

        Playlist *p = (*it)->playlist();
        if(p) {
            if(p->canReload())
                allowReload = true;
            playlists.append(p);
        }
    }

    bool singlePlaylist = playlists.count() == 1;

    if(playlists.isEmpty() ||
       (singlePlaylist &&
        (playlists.front() == CollectionList::instance() ||
         playlists.front()->readOnly())))
    {
        action("file_save")->setEnabled(false);
        action("file_save_as")->setEnabled(false);
        action("renamePlaylist")->setEnabled(false);
        action("deleteItemPlaylist")->setEnabled(false);
    }
    else {
        action("file_save")->setEnabled(true);
        action("file_save_as")->setEnabled(true);
        action("renamePlaylist")->setEnabled(playlists.count() == 1);
        action("deleteItemPlaylist")->setEnabled(true);
    }
    action("reloadPlaylist")->setEnabled(allowReload);
    action("duplicatePlaylist")->setEnabled(!playlists.isEmpty());

    if(m_k3bAction)
        m_k3bAction->setEnabled(!playlists.isEmpty());

    action("editSearch")->setEnabled(singlePlaylist &&
                                     playlists.front()->searchIsEditable());

    if(singlePlaylist) {
        PlaylistCollection::raise(playlists.front());

        if(playlists.front() == upcomingPlaylist())
            action("deleteItemPlaylist")->setText(i18n("Hid&e"));
        else
            action("deleteItemPlaylist")->setText(i18n("R&emove"));
    }
    else if(!playlists.isEmpty())
        createDynamicPlaylist(playlists);
}

void PlaylistBox::slotDoubleClicked(Q3ListViewItem *item)
{
    if(!item)
        return;

    TrackSequenceManager *manager = TrackSequenceManager::instance();
    Item *playlistItem = static_cast<Item *>(item);

    manager->setCurrentPlaylist(playlistItem->playlist());

    manager->setCurrent(0); // Reset playback
    PlaylistItem *next = manager->nextItem(); // Allow manager to choose

    if(next) {
        emit startFilePlayback(next->file());
        playlistItem->playlist()->setPlaying(next);
    }
    else
        action("stop")->trigger();
}

void PlaylistBox::slotShowContextMenu(Q3ListViewItem *, const QPoint &point, int)
{
    m_contextMenu->popup(point);
}

void PlaylistBox::slotPlaylistItemsDropped(Playlist *p)
{
    raise(p);
}

void PlaylistBox::slotSetViewMode(int index)
{
    if(index == m_viewModeIndex)
        return;

    viewMode()->setShown(false);
    m_viewModeIndex = index;
    viewMode()->setShown(true);
}

void PlaylistBox::setupItem(Item *item)
{
    m_playlistDict.insert(item->playlist(), item);
    viewMode()->queueRefresh();
}

void PlaylistBox::setupUpcomingPlaylist()
{
    KConfigGroup config(KGlobal::config(), "Playlists");
    bool enable = config.readEntry("showUpcoming", false);

    setUpcomingPlaylistEnabled(enable);
    action<KToggleAction>("showUpcoming")->setChecked(enable);
}


void PlaylistBox::slotLoadCachedPlaylists()
{
    kDebug() << "Loading cached playlists.";
    QTime stopwatch;
    stopwatch.start();

    Cache::loadPlaylists(this);

    kDebug() << "Cached playlists loaded, took" << stopwatch.elapsed() << "ms";

    // Auto-save playlists after they change.
    m_savePlaylistTimer = new QTimer(this);
    m_savePlaylistTimer->setInterval(3000); // 3 seconds with no change? -> commit
    m_savePlaylistTimer->setSingleShot(true);
    connect(m_savePlaylistTimer, SIGNAL(timeout()), SLOT(slotSavePlaylists()));

    clearSelection();
    setSelected(m_playlistDict[CollectionList::instance()], true);

    QTimer::singleShot(0, CollectionList::instance(), SLOT(slotCheckCache()));
    QTimer::singleShot(0, object(), SLOT(slotScanFolders()));
}

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox::Item protected methods
////////////////////////////////////////////////////////////////////////////////

PlaylistBox::Item *PlaylistBox::Item::m_collectionItem = 0;

PlaylistBox::Item::Item(PlaylistBox *listBox, const QString &icon, const QString &text, Playlist *l)
    : QObject(listBox), K3ListViewItem(listBox, 0, text),
      PlaylistObserver(l),
      m_playlist(l), m_text(text), m_iconName(icon), m_sortedFirst(false)
{
    init();
}

PlaylistBox::Item::Item(Item *parent, const QString &icon, const QString &text, Playlist *l)
    : QObject(parent->listView()), K3ListViewItem(parent, text),
    PlaylistObserver(l),
    m_playlist(l), m_text(text), m_iconName(icon), m_sortedFirst(false)
{
    init();
}

PlaylistBox::Item::~Item()
{

}

int PlaylistBox::Item::compare(Q3ListViewItem *i, int col, bool) const
{
    Item *otherItem = static_cast<Item *>(i);
    PlaylistBox *playlistBox = static_cast<PlaylistBox *>(listView());

    if(m_playlist == playlistBox->upcomingPlaylist() && otherItem->m_playlist != CollectionList::instance())
        return -1;
    if(otherItem->m_playlist == playlistBox->upcomingPlaylist() && m_playlist != CollectionList::instance())
        return 1;

    if(m_sortedFirst && !otherItem->m_sortedFirst)
        return -1;
    else if(otherItem->m_sortedFirst && !m_sortedFirst)
        return 1;

    return text(col).toLower().localeAwareCompare(i->text(col).toLower());
}

void PlaylistBox::Item::paintCell(QPainter *painter, const QColorGroup &colorGroup, int column, int width, int align)
{
    PlaylistBox *playlistBox = static_cast<PlaylistBox *>(listView());
    playlistBox->viewMode()->paintCell(this, painter, colorGroup, column, width, align);
}

void PlaylistBox::Item::setText(int column, const QString &text)
{
    m_text = text;
    K3ListViewItem::setText(column, text);
}

void PlaylistBox::Item::setup()
{
    listView()->viewMode()->setupItem(this);
}

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox::Item protected slots
////////////////////////////////////////////////////////////////////////////////

void PlaylistBox::Item::slotSetName(const QString &name)
{
    if(listView()) {
        setText(0, name);
        setSelected(true);

        listView()->sort();
        listView()->ensureItemVisible(listView()->currentItem());
        listView()->viewMode()->queueRefresh();
    }
}

void PlaylistBox::Item::updateCurrent()
{
}

void PlaylistBox::Item::updateData()
{
    listView()->slotPlaylistDataChanged();
}

////////////////////////////////////////////////////////////////////////////////
// PlaylistBox::Item private methods
////////////////////////////////////////////////////////////////////////////////

void PlaylistBox::Item::init()
{
    PlaylistBox *list = listView();

    list->setupItem(this);

    int iconSize = list->viewModeIndex() == 0 ? 32 : 16;
    setPixmap(0, SmallIcon(m_iconName, iconSize));
    list->addNameToDict(m_text);

    if(m_playlist) {
        connect(m_playlist, SIGNAL(signalNameChanged(QString)),
                this, SLOT(slotSetName(QString)));
        connect(m_playlist, SIGNAL(signalEnableDirWatch(bool)),
                list->object(), SLOT(slotEnableDirWatch(bool)));
    }

    if(m_playlist == CollectionList::instance()) {
        m_sortedFirst = true;
        m_collectionItem = this;
        list->viewMode()->setupDynamicPlaylists();
    }

    if(m_playlist == list->historyPlaylist() || m_playlist == list->upcomingPlaylist())
        m_sortedFirst = true;
}

#include "playlistbox.moc"

// vim: set et sw=4 tw=0 sta: