playlist: Create a new Panel class

Containing the ControlBox, PlaylistWindow, and FooterBox

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

playlist/__init__.py

@@ -1,12 +1,35 @@
 # Copyright 2021 (c) Anna Schumaker.
 from . import column
 from . import controls
+from . import footer
+from . import header
 from . import model
 from . import runtime
+from . import view
 from gi.repository import Gtk
 import audio
 import tagdb
 
+class Panel(Gtk.Box):
+    def __init__(self):
+        Gtk.Box.__init__(self)
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+        self.header = header.Header()
+        self.window = view.PlaylistWindow()
+        self.footer = footer.Footer(self.window.get_filter_model())
+
+        self.append(self.header)
+        self.append(Gtk.Separator.new(Gtk.Orientation.HORIZONTAL))
+        self.append(self.window)
+        self.append(Gtk.Separator.new(Gtk.Orientation.HORIZONTAL))
+        self.append(self.footer)
+
+    def get_playlist(self): return self.window.get_playlist()
+    def set_playlist(self, plist):
+        self.header.set_playlist(plist)
+        self.window.set_playlist(plist)
+
+
 Model = model.TagModel()
 
 def on_filter_pending(filter, pending):

playlist/test_playlist.py

@@ -1,8 +1,46 @@
 # Copyright 2021 (c) Anna Schumaker.
-from gi.repository import Gtk
+import db
 import lib
 import playlist
 import unittest
+from gi.repository import Gtk
+
+class TestPanel(unittest.TestCase):
+    def test_init(self):
+        panel = playlist.Panel()
+        self.assertIsInstance(panel, Gtk.Box)
+        self.assertIsInstance(panel.header, playlist.header.Header)
+        self.assertIsInstance(panel.window, playlist.view.PlaylistWindow)
+        self.assertIsInstance(panel.footer, playlist.footer.Footer)
+        self.assertEqual(panel.get_orientation(), Gtk.Orientation.VERTICAL)
+
+    def test_items(self):
+        panel = playlist.Panel()
+        child = panel.get_first_child()
+        self.assertEqual(child, panel.header)
+
+        child = child.get_next_sibling()
+        self.assertIsInstance(child, Gtk.Separator)
+
+        child = child.get_next_sibling()
+        self.assertEqual(child, panel.window)
+
+        child = child.get_next_sibling()
+        self.assertIsInstance(child, Gtk.Separator)
+
+        child = child.get_next_sibling()
+        self.assertEqual(child, panel.footer)
+
+    def test_set_playlist(self):
+        collection = db.user.Table.find("Collection")
+        panel = playlist.Panel()
+
+        self.assertIsNone(panel.get_playlist())
+        panel.set_playlist(collection)
+        self.assertEqual(panel.header.get_last_child().get_first_child().playlist, collection)
+        self.assertEqual(panel.get_playlist(), collection)
+
+
 
 class ColumnEV:
     def __init__(self, title, width, expand):