bool MusicLibraryProxyModel::filterAcceptsAlbum(const MusicLibraryItem *item) const { foreach (const MusicLibraryItem *i, static_cast<const MusicLibraryItemContainer *>(item)->childItems()) { if (filterAcceptsSong(i)) { return true; } } return false; }
bool MusicLibraryProxyModel::filterAcceptsRoot(const MusicLibraryItem *item) const { foreach (const MusicLibraryItem *i, static_cast<const MusicLibraryItemContainer *>(item)->childItems()) { if (MusicLibraryItem::Type_Artist==i->itemType() && filterAcceptsArtist(i)) { return true; } else if (MusicLibraryItem::Type_Song==i->itemType() && filterAcceptsSong(i)) { return true; } } return false; }
bool MusicLibraryProxyModel::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const { if (!filterEnabled) { return true; } if (!isChildOfRoot(sourceParent)) { return true; } const QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent); const MusicLibraryItem *item = static_cast<const MusicLibraryItem *>(index.internalPointer()); if (!filterGenre.isEmpty() && !item->hasGenre(filterGenre)) { return false; } if (filter) { if (!sourceParent.isValid()) { // All top level items are valid return true; } const MusicLibraryItem *p=item->parentItem(); while (p->parentItem()) { p=p->parentItem(); } if (p!=filter) { // If item is not part of 'filter' tree - then we accept it return true; } } if (filterStrings.isEmpty()) { return true; } switch (item->itemType()) { case MusicLibraryItem::Type_Root: return filterAcceptsRoot(item); case MusicLibraryItem::Type_Artist: return filterAcceptsArtist(item); case MusicLibraryItem::Type_Album: return filterAcceptsAlbum(item); case MusicLibraryItem::Type_Song: return filterAcceptsSong(item); default: break; } return false; }
bool MusicLibraryProxyModel::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const { if (!filterEnabled) { return true; } if (!isChildOfRoot(sourceParent)) { return true; } const QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent); const MusicLibraryItem *item = static_cast<const MusicLibraryItem *>(index.internalPointer()); if (!filterGenre.isEmpty() && !item->hasGenre(filterGenre)) { return false; } if (filter) { if (item==filter) { // Accept top-level item! return true; } const MusicLibraryItem *p=item->parentItem(); while (p && p->parentItem()) { p=p->parentItem(); } if (p!=filter) { // Accept all items that are not children of top-level item! return true; } } if (filterStrings.isEmpty()) { return true; } switch (item->itemType()) { case MusicLibraryItem::Type_Root: return filterAcceptsRoot(item); case MusicLibraryItem::Type_Artist: return filterAcceptsArtist(item); case MusicLibraryItem::Type_Podcast: case MusicLibraryItem::Type_Album: return filterAcceptsAlbum(item); case MusicLibraryItem::Type_Song: return filterAcceptsSong(item); default: break; } return false; }