File indexing completed on 2023-05-30 11:30:53

 /**
  * Copyright (C) 2003-2004 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 "viewmode.h"
 
 #include <kiconloader.h>
 
 #include <QPainter>
 #include <QResizeEvent>
 
 #include "playlistbox.h"
 #include "searchplaylist.h"
 #include "treeviewitemplaylist.h"
 #include "collectionlist.h"
 #include "juk_debug.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 // ViewMode
 ////////////////////////////////////////////////////////////////////////////////
 
 ViewMode::ViewMode(PlaylistBox *b) :
     QObject(b),
     m_playlistBox(b),
     m_visible(false),
     m_needsRefresh(false)
 {
     m_playlistBox->viewport()->installEventFilter(this);
 }
 
 ViewMode::~ViewMode()
 {
     removeEventFilter(m_playlistBox->viewport());
 }
 
 bool ViewMode::eventFilter(QObject *watched, QEvent *e)
 {
     if(m_visible && watched == m_playlistBox->viewport() && e->type() == QEvent::Resize) {
         QResizeEvent *re = static_cast<QResizeEvent *>(e);
         if(re->size().width() != re->oldSize().width())
             m_needsRefresh = true;
     }
 
     if(e->type() == QEvent::Hide)
         m_needsRefresh = true;
 
     return QObject::eventFilter(watched, e);
 }
 
 QString ViewMode::name() const
 {
     return i18nc("the normal viewing mode", "Default");
 }
 
 void ViewMode::setShown(bool shown)
 {
     m_visible = shown;
     if(shown) {
         updateIcons();
         m_needsRefresh = true;
     }
 }
 
 void ViewMode::updateIcons()
 {
     for(QTreeWidgetItemIterator it(m_playlistBox); *it; ++it) {
         PlaylistBox::Item *i = static_cast<PlaylistBox::Item *>(*it);
         i->setIcon(0, QIcon::fromTheme(i->iconName()));
     }
 }
 
 void ViewMode::setupItem(PlaylistBox::Item *item) const
 {
     Q_UNUSED(item);
 }
 
 void ViewMode::paintDropIndicator(QPainter *painter, int width, int height) // static
 {
     static const int border = 1;
     static const int lineWidth = 2;
 
     QPen oldPen = painter->pen();
     QPen newPen = oldPen;
 
     newPen.setWidth(lineWidth);
     newPen.setStyle(Qt::DotLine);
 
     painter->setPen(newPen);
     painter->drawRect(border, border, width - border * 2, height - border * 2);
     painter->setPen(oldPen);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // CompactViewMode
 ////////////////////////////////////////////////////////////////////////////////
 
 CompactViewMode::CompactViewMode(PlaylistBox *b) : ViewMode(b)
 {
 
 }
 
 CompactViewMode::~CompactViewMode()
 {
 
 }
 
 QString CompactViewMode::name() const
 {
     return i18nc("compact viewing mode", "Compact");
 }
 
 void CompactViewMode::setShown(bool shown)
 {
     setVisible(shown);
 
     if(shown) {
         updateIcons();
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // TreeViewMode
 ////////////////////////////////////////////////////////////////////////////////
 
 TreeViewMode::TreeViewMode(PlaylistBox *b) : CompactViewMode(b),
     m_dynamicListsFrozen(false), m_setup(false)
 {
 
 }
 
 TreeViewMode::~TreeViewMode()
 {
 
 }
 
 QString TreeViewMode::name() const
 {
     return i18n("Tree");
 }
 
 void TreeViewMode::setShown(bool show)
 {
     CompactViewMode::setShown(show);
 
     playlistBox()->setRootIsDecorated(show);
 
     if(show) {
         if(m_searchCategories.isEmpty())
             setupDynamicPlaylists();
         else {
             for(auto &item : m_searchCategories)
                 item->setHidden(false);
         }
 
         if(!m_setup) {
             m_setup = true;
             playlistBox()->setSortingEnabled(false);
             CollectionList::instance()->setupTreeViewEntries(this);
             playlistBox()->setSortingEnabled(true);
         }
     }
     else {
         for(auto &item : m_searchCategories)
             item->setHidden(true);
     }
 }
 
 void TreeViewMode::removeItem(const QString &item, unsigned column)
 {
     if(!m_setup)
         return;
 
     QString itemKey;
     if(column == PlaylistItem::ArtistColumn)
         itemKey = "artists" + item;
     else if(column == PlaylistItem::GenreColumn)
         itemKey = "genres" + item;
     else if(column == PlaylistItem::AlbumColumn)
         itemKey = "albums" + item;
     else {
         qCWarning(JUK_LOG) << "Unhandled column type " << column;
         return;
     }
 
     if(!m_treeViewItems.contains(itemKey))
         return;
 
     TreeViewItemPlaylist *itemPlaylist = m_treeViewItems.value(itemKey, 0);
 
     if(m_dynamicListsFrozen) {
         m_pendingItemsToRemove << itemKey;
         return;
     }
 
     m_treeViewItems.remove(itemKey);
     itemPlaylist->deleteLater();
     emit signalPlaylistDestroyed(itemPlaylist);
 }
 
 void TreeViewMode::addItems(const QStringList &items, unsigned column)
 {
     if(!m_setup)
         return;
 
     QString searchCategory;
     if(column == PlaylistItem::ArtistColumn)
         searchCategory = "artists";
     else if(column == PlaylistItem::GenreColumn)
         searchCategory = "genres";
     else if(column == PlaylistItem::AlbumColumn)
         searchCategory = "albums";
     else {
         qCWarning(JUK_LOG) << "Unhandled column type " << column;
         return;
     }
 
     ColumnList columns;
     columns.append(column);
 
     PlaylistSearch::Component::MatchMode mode = PlaylistSearch::Component::ContainsWord;
     if(column != PlaylistItem::ArtistColumn)
         mode = PlaylistSearch::Component::Exact;
 
     PlaylistSearch::ComponentList components;
     PlaylistList playlists;
     playlists.append(CollectionList::instance());
 
     QString itemKey;
     PlaylistBox::Item *itemParent = m_searchCategories.value(searchCategory, 0);
 
     foreach(const QString &item, items) {
         itemKey = searchCategory + item;
 
         if(m_treeViewItems.contains(itemKey))
             continue;
 
         components.clear();
         components.append(PlaylistSearch::Component(item, false, columns, mode));
 
         PlaylistSearch s(playlists, components, PlaylistSearch::MatchAny);
 
         TreeViewItemPlaylist *p = new TreeViewItemPlaylist(playlistBox(), s, item);
         playlistBox()->setupPlaylist(p, "audio-midi", itemParent);
         m_treeViewItems.insert(itemKey, p);
     }
 }
 
 void TreeViewMode::setDynamicListsFrozen(bool frozen)
 {
     m_dynamicListsFrozen = frozen;
 
     if(frozen)
         return;
 
     foreach(const QString &pendingItem, m_pendingItemsToRemove) {
         m_treeViewItems[pendingItem]->deleteLater();
         m_treeViewItems.remove(pendingItem);
     }
 
     m_pendingItemsToRemove.clear();
 }
 
 void TreeViewMode::setupDynamicPlaylists()
 {
     PlaylistBox::Item *i;
     PlaylistBox::Item *collectionItem = PlaylistBox::Item::collectionItem();
 
     i = new PlaylistBox::Item(collectionItem, "media-optical-audio", i18n("Artists"));
     m_searchCategories.insert("artists", i);
 
     i = new PlaylistBox::Item(collectionItem, "media-optical-audio", i18n("Albums"));
     m_searchCategories.insert("albums", i);
 
     i = new PlaylistBox::Item(collectionItem, "media-optical-audio", i18n("Genres"));
     m_searchCategories.insert("genres", i);
 }
 
 // vim: set et sw=4 tw=0 sta: