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;
}
