lib: Give tags a track_selected() function

For use when tracks are manually selected. I use this to wire up a
response to double-clicking the playlist view.

Signed-off-by: Anna Schumaker <Anna@NoWheyCreamery.com>

lib/fake.py

@@ -13,6 +13,9 @@ class FakeTrack(GObject.GObject):
     def __int__(self):
         return self.trackid
 
+    def add_to_playlist(self, name):
+        self.tag.add_track(self)
+
     def remove_from_playlist(self, name):
         self.tag.remove_track(self)
 

lib/tag.py

@@ -118,6 +118,11 @@ class Tag:
             if self.current >= len(self.tracks):
                 self.current = -1
 
+    def track_selected(self, track):
+        with self.lock:
+            self.current = self.tracks.index(track)
+        track.add_to_playlist("Previous")
+
 
 class SuperTag(Tag):
     def __init__(self, parent, name, sort=None):

lib/test_tag.py

@@ -180,6 +180,23 @@ class TestTag(unittest.TestCase):
         self.assertEqual(t.next(), 0)
         self.assertEqual(t.next(), 1)
 
+    def test_tag_track_selected(self):
+        t = tag.Tag("test")
+        p = tag.Tag("Previous")
+        t.tracks = [ fake.Track(0, p), fake.Track(1, p), fake.Track(2, p) ]
+
+        t.track_selected(fake.Track(2, p))
+        self.assertEqual(t.current, 2)
+        self.assertIn(fake.Track(2, p), p.tracks)
+
+        t.track_selected(fake.Track(1, p))
+        self.assertEqual(t.current, 1)
+        self.assertIn(fake.Track(1, p), p.tracks)
+
+        t.track_selected(fake.Track(0, p))
+        self.assertEqual(t.current, 0)
+        self.assertIn(fake.Track(0, p), p.tracks)
+
     def test_tag_stacked(self):
         t = tag.Tag("test")
         t.tracks = [ 0, 1, 2 ]

playlist/__init__.py

@@ -4,6 +4,8 @@ from . import controls
 from . import model
 from . import runtime
 from gi.repository import Gtk
+import audio
+import trackdb
 
 Model = model.TagModel()
 
@@ -18,7 +20,14 @@ FilterModel.set_model(Model)
 Selection = Gtk.MultiSelection()
 Selection.set_model(FilterModel)
 
+def on_row_activate(view, position):
+    track = FilterModel.get_item(position)
+    if audio.Player.play_track(track) == True:
+        Model.tag.track_selected(track)
+        trackdb.save()
+
 View = Gtk.ColumnView()
+View.connect("activate", on_row_activate)
 View.add_css_class("data-table")
 View.set_enable_rubberband(True)
 View.set_hexpand(True)