From 29b4fa7f77104b86f04c4db576caab6fa8d5f049 Mon Sep 17 00:00:00 2001
From: Scott Jackson <daneren2005@gmail.com>
Date: Tue, 3 Feb 2015 11:08:29 -0800
Subject:  #450 Add ability to play/shuffle from Similar Artists menu

---
 res/menu/similar_artists.xml                       | 12 ++++++
 .../daneren2005/dsub/domain/MusicDirectory.java    |  4 ++
 .../dsub/fragments/SimilarArtistFragment.java      | 49 +++++++++++++++++++---
 3 files changed, 60 insertions(+), 5 deletions(-)

diff --git a/res/menu/similar_artists.xml b/res/menu/similar_artists.xml
index bffa1837..771555b6 100644
--- a/res/menu/similar_artists.xml
+++ b/res/menu/similar_artists.xml
@@ -2,6 +2,18 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
 	  xmlns:compat="http://schemas.android.com/apk/res-auto">
 
+	<item
+		android:id="@+id/menu_play_now"
+		android:icon="?media_button_start"
+		android:title="@string/menu.play"
+		compat:showAsAction="always|withText"/>
+
+	<item
+		android:id="@+id/menu_shuffle"
+		android:icon="?attr/shuffle"
+		android:title="@string/menu.shuffle"
+		compat:showAsAction="ifRoom|withText"/>
+
 	<item
 		android:id="@+id/menu_show_missing"
 		android:title="@string/menu.show_missing"/>
diff --git a/src/github/daneren2005/dsub/domain/MusicDirectory.java b/src/github/daneren2005/dsub/domain/MusicDirectory.java
index d0bc173b..ad819763 100644
--- a/src/github/daneren2005/dsub/domain/MusicDirectory.java
+++ b/src/github/daneren2005/dsub/domain/MusicDirectory.java
@@ -107,6 +107,10 @@ public class MusicDirectory implements Serializable {
 	public int getChildrenSize() {
 		return children.size();
 	}
+
+	public void shuffleChildren() {
+		Collections.shuffle(this.children);
+	}
 	
 	public void sortChildren(Context context, int instance) {
 		if(ServerInfo.checkServerVersion(context, "1.8", instance)) {
diff --git a/src/github/daneren2005/dsub/fragments/SimilarArtistFragment.java b/src/github/daneren2005/dsub/fragments/SimilarArtistFragment.java
index c029581b..06427a5d 100644
--- a/src/github/daneren2005/dsub/fragments/SimilarArtistFragment.java
+++ b/src/github/daneren2005/dsub/fragments/SimilarArtistFragment.java
@@ -30,13 +30,17 @@ import android.widget.TextView;
 import github.daneren2005.dsub.R;
 import github.daneren2005.dsub.domain.Artist;
 import github.daneren2005.dsub.domain.ArtistInfo;
+import github.daneren2005.dsub.domain.MusicDirectory;
+import github.daneren2005.dsub.service.DownloadService;
 import github.daneren2005.dsub.service.MusicService;
+import github.daneren2005.dsub.service.MusicServiceFactory;
 import github.daneren2005.dsub.util.Constants;
 import github.daneren2005.dsub.util.ProgressListener;
 import github.daneren2005.dsub.util.Util;
 import github.daneren2005.dsub.view.ArtistAdapter;
 
 import java.net.URLEncoder;
+import java.util.LinkedList;
 import java.util.List;
 
 public class SimilarArtistFragment extends SelectListFragment<Artist> {
@@ -54,17 +58,19 @@ public class SimilarArtistFragment extends SelectListFragment<Artist> {
 
 	@Override
 	public boolean onOptionsItemSelected(MenuItem item) {
-		if(super.onOptionsItemSelected(item)) {
-			return true;
-		}
-
 		switch (item.getItemId()) {
+			case R.id.menu_play_now:
+				playAll(false);
+				return true;
+			case R.id.menu_shuffle:
+				playAll(true);
+				return true;
 			case R.id.menu_show_missing:
 				showMissingArtists();
 				break;
 		}
 
-		return false;
+		return super.onOptionsItemSelected(item);
 	}
 
 	@Override
@@ -132,4 +138,37 @@ public class SimilarArtistFragment extends SelectListFragment<Artist> {
 
 		Util.showHTMLDialog(context, R.string.menu_similar_artists, b.toString());
 	}
+
+	private void playAll(final boolean shuffle) {
+		new RecursiveLoader(context) {
+			@Override
+			protected Boolean doInBackground() throws Throwable {
+				musicService = MusicServiceFactory.getMusicService(context);
+
+				MusicDirectory root = new MusicDirectory();
+				for(Artist artist: objects) {
+					if(Util.isTagBrowsing(context) && !Util.isOffline(context)) {
+						root.addChildren(musicService.getArtist(artist.getId(), artist.getName(), false, context, this).getChildren());
+					} else {
+						root.addChildren(musicService.getMusicDirectory(artist.getId(), artist.getName(), false, context, this).getChildren());
+					}
+				}
+
+				if(shuffle) {
+					root.shuffleChildren();
+				}
+
+				songs = new LinkedList<MusicDirectory.Entry>();
+				getSongsRecursively(root, songs);
+
+				DownloadService downloadService = getDownloadService();
+				if (!songs.isEmpty() && downloadService != null) {
+					downloadService.clear();
+					downloadService.download(songs, false, true, false, false);
+				}
+
+				return true;
+			}
+		}.execute();
+	}
 }
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