public SongPanel(String albumId, String artistId, String collectionId) {
initWidget(uiBinder.createAndBindUi(this));
this.albumId = albumId;
this.artistId = artistId;
this.inCollection = collectionId;
// Get album info (null means all songs)
if (albumId == null && artistId == null) {
if (inCollection != null) {
titleLabel.setText(
Controller.INSTANCE.getModel().getTagCache().get(inCollection).getName());
} else {
titleLabel.setText(Constants.I18N.allMusic());
}
byLabel.setVisible(false);
subtitlePanel.setVisible(false);
setViewLinks(true, true);
backButton.setVisible(false);
} else if (artistId != null) {
Cache<String, ArtistInfo> artistCache = Controller.INSTANCE.getModel().getArtistCache();
artistCache.addHandler(
artistId,
new CacheHandler<String, ArtistInfo>() {
@Override
public void onCacheUpdated(String k, ArtistInfo v) {
titleLabel.setText(v.getName());
}
});
artistCache.obtain(artistId);
byLabel.setVisible(false);
subtitlePanel.setVisible(false);
setViewLinks(false, true);
Utils.setBackButton(backButton, collectionId);
} else {
Cache<String, AlbumInfo> albumCache = Controller.INSTANCE.getModel().getAlbumCache();
albumCache.addHandler(
albumId,
new CacheHandler<String, AlbumInfo>() {
@Override
public void onCacheUpdated(String k, AlbumInfo v) {
titleLabel.setText(v.getName());
byLabel.setVisible(true);
setSubtitles(v.getArtistList());
}
});
albumCache.obtain(albumId);
setViewLinks(false, false);
Utils.setBackButton(backButton, collectionId);
}
// Create button line
createButtonLine();
}
public void setSubtitles(List<String> artistList) {
subtitlePanel.clear();
for (String artistId : artistList) {
final Hyperlink artistLink = new Hyperlink();
Label commaLabel = new Label(",");
commaLabel.getElement().addClassName(style.space());
Cache<String, ArtistInfo> artistCache = Controller.INSTANCE.getModel().getArtistCache();
artistCache.addHandler(
artistId,
new CacheHandler<String, ArtistInfo>() {
@Override
public void onCacheUpdated(String k, ArtistInfo v) {
artistLink.setText(v.getName());
artistLink.setTargetHistoryToken(v.getTargetHistoryToken());
}
});
artistCache.obtain(artistId);
subtitlePanel.add(artistLink);
subtitlePanel.add(commaLabel);
}
subtitlePanel.remove(subtitlePanel.getWidgetCount() - 1);
subtitlePanel.setVisible(true);
}