[gnome-music/wip/mschraal/tageditor: 14/21] songsview: Add renderer for title and artist

[Marinus Schraal <mschraal src gnome org>]

commit 5af1b04c33277d8961f01747d84fa84f5f9c7994
Author: Sumaid Syed <sumaidsyed gmail com>
Date:   Sun Aug 4 23:27:18 2019 +0530

    songsview: Add renderer for title and artist
    
    Add renderers for title and artist so that even if
    title or title tags are modified in the tag editor
    they will updated in songsview.
    
    https://gitlab.gnome.org/GNOME/gnome-music/issues/293

 gnomemusic/views/songsview.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
---
diff --git a/gnomemusic/views/songsview.py b/gnomemusic/views/songsview.py
index c56c4dc2..7ffda3b4 100644
--- a/gnomemusic/views/songsview.py
+++ b/gnomemusic/views/songsview.py
@@ -33,6 +33,8 @@ from gnomemusic.utils import SongStateIcon
 from gnomemusic.views.baseview import BaseView
 from gnomemusic.widgets.starhandlerwidget import StarHandlerWidget
 
+import gnomemusic.utils as utils
+
 logger = logging.getLogger(__name__)
 
 
@@ -114,6 +116,8 @@ class SongsView(BaseView):
             ellipsize=Pango.EllipsizeMode.END)
         column_title = Gtk.TreeViewColumn("Title", title_renderer, text=2)
         column_title.props.expand = True
+        column_title.set_cell_data_func(
+            title_renderer, self._on_list_widget_title_render, None)
         self._view.append_column(column_title)
 
         artist_renderer = Gtk.CellRendererText(
@@ -126,6 +130,8 @@ class SongsView(BaseView):
             xpad=32, ellipsize=Pango.EllipsizeMode.END)
         column_album = Gtk.TreeViewColumn("Album", album_renderer, text=4)
         column_album.props.expand = True
+        column_artist.set_cell_data_func(
+            artist_renderer, self._on_list_widget_artist_render, None)
         self._view.append_column(column_album)
 
         duration_renderer = Gtk.CellRendererText(xalign=1.0)
@@ -138,6 +144,22 @@ class SongsView(BaseView):
         self._view.append_column(column_star)
         self._star_handler.add_star_renderers(column_star)
 
+    def _on_list_widget_artist_render(self, coll, cell, model, itr, data):
+        if not model.iter_is_valid(itr):
+            return
+
+        item = model[itr][7]
+        if item:
+            cell.props.text = utils.get_artist_name(item.props.media)
+
+    def _on_list_widget_title_render(self, coll, cell, model, itr, data):
+        if not model.iter_is_valid(itr):
+            return
+
+        item = model[itr][7]
+        if item:
+            cell.props.text = utils.get_media_title(item.props.media)
+
     def _on_list_widget_icon_render(self, col, cell, model, itr, data):
         current_song = self._player.props.current_song
         if current_song is None: