#7 UI in work

background_music_player.py

@@ -12,47 +12,78 @@ def __init__(self, parent):
         self.player = self.vlc_instance.media_player_new()
         self.player.audio_set_volume(50)
         self.player.audio_set_mute(False)
-        self.window = BackgroundMusicFrame(self.parent)
+        self.window = BackgroundMusicFrame(self.parent)  # None
         self.playlist = None
+        self._fade_in_out = True
+
+    @property
+    def fade_in_out(self):
+        return self._fade_in_out
+
+    @fade_in_out.setter
+    def fade_in_out(self, value):
+        self.window.fade_in_out_switch.SetValue(value)
+        self._fade_in_out = value
 
     def show_window(self):
         if not isinstance(self.window, BackgroundMusicFrame):
             self.window = BackgroundMusicFrame(self.parent)
         self.window.Show()
+        self.window.fade_in_out_switch.SetValue(self.fade_in_out)
 
-    def play(self, fade_in=True):
-        pass
+    def play(self):
+
+        if self.fade_in_out:
+            pass
 
-    def pause(self, fade_out=True):
+    def pause(self):
+
+        if self.fade_in_out:
+            pass
         pass
 
     def load_files(self, dir):
         file_names = sorted(os.listdir(dir))
         self.playlist = [{'name': f.rsplit('.', 1)[0], 'path': os.path.join(dir, f)} for f in file_names]
-        self.window.grid.DeleteRows(0, self.window.grid.GetNumberRows(), False)
+        if self.window.grid.GetNumberRows() > 0:
+            self.window.grid.DeleteRows(0, self.window.grid.GetNumberRows(), False)
         self.window.grid.AppendRows(len(self.playlist))
         for i in range(len(self.playlist)):
             self.window.grid.SetCellValue(i, 0, self.playlist[i]['name'])
             self.window.grid.SetReadOnly(i, 0)
         self.window.grid.AutoSize()
+        self.window.Layout()
 
 
 class BackgroundMusicFrame(wx.Frame):
     def __init__(self, parent):
         wx.Frame.__init__(self, parent, title='Background Music Player', size=(400, 500))
+        self.SetBackgroundColour(wx.SystemSettings.GetColour(wx.SYS_COLOUR_FRAMEBK))
 
         # ---------------------------------------------- Layout -----------------------------------------------------
         main_sizer = wx.BoxSizer(wx.VERTICAL)
 
         self.toolbar = wx.BoxSizer(wx.HORIZONTAL)
+        toolbar_base_height = 20
+
+        self.fade_in_out_switch = wx.CheckBox(self, label='FAD')
+        self.toolbar.Add(self.fade_in_out_switch, 0, wx.ALIGN_CENTER_VERTICAL | wx.LEFT, border=3)
+
+        self.play_btn = wx.Button(self, label="Play", size=(70, toolbar_base_height + 2))
+        self.toolbar.Add(self.play_btn, 0)
+        self.play_btn.Bind(wx.EVT_BUTTON, parent.background_play)
+        # Forwarding events through the main window, because this frame is optional and may be absent.
+
+        self.stop_btn = wx.Button(self, label="Stop", size=(70, toolbar_base_height + 2))
+        self.toolbar.Add(self.stop_btn, 0)
+        self.stop_btn.Bind(wx.EVT_BUTTON, parent.background_stop)
 
         # --- Table ---
         self.grid = wx.grid.Grid(self)
-        self.grid.CreateGrid(1, 1)
+        self.grid.CreateGrid(0, 1)
         self.grid.HideColLabels()
         self.grid.DisableDragRowSize()
         self.grid.SetRowLabelSize(20)
-        self.grid.SetCellValue(0, 0, "Empty Playlist")
         self.grid.SetSelectionMode(wx.grid.Grid.wxGridSelectRows)
 
         def select_row(e):
@@ -68,4 +99,5 @@ def select_row(e):
         main_sizer.Add(self.grid, 1, wx.EXPAND | wx.TOP, border=1)
 
         self.SetSizer(main_sizer)
+        self.Layout()
 

main.py

@@ -38,6 +38,8 @@ def __init__(self, parent, title):
         self.grid_default_bg_color = None
         self.full_grid_data = None
 
+        self.bg_player = BackgroundMusicPlayer(self)
+
         # ------------------ Menu ------------------
         menu_bar = wx.MenuBar()
 
@@ -98,6 +100,13 @@ def on_settings(e):
                   bg_music_menu.Append(wx.ID_ANY, "&Load Files"))
         self.Bind(wx.EVT_MENU, lambda e: self.bg_player.show_window(),
                   bg_music_menu.Append(wx.ID_ANY, "&Open Window"))
+
+        def fade_switched(e):
+            self.bg_player.fade_in_out = bool(e.Int)
+        self.fade_switch = bg_music_menu.Append(wx.ID_ANY, "&Fade In/Out", kind=wx.ITEM_CHECK)
+        self.fade_switch.Check(self.bg_player.fade_in_out)
+        self.Bind(wx.EVT_MENU, fade_switched, self.fade_switch)
+
         menu_bar.Append(bg_music_menu, "&Background Music")
 
         # --- Fire (Play) ---
@@ -170,11 +179,10 @@ def search_box_leave_handler(e):
 
         # --- Table ---
         self.grid = wx.grid.Grid(self)
-        self.grid.CreateGrid(1, 1)
+        self.grid.CreateGrid(0, 0)
         self.grid.HideRowLabels()
         self.grid.DisableDragRowSize()
         self.grid.SetColLabelSize(20)
-        self.grid.SetCellValue(0, 0, "Hello World")
         self.grid.SetSelectionMode(wx.grid.Grid.wxGridSelectRows)
 
         def select_row(e):
@@ -207,8 +215,6 @@ def select_row(e):
         self.vol_control.SetValue(self.player.audio_get_volume())
 
         self.player_status("VLC v.%s: %s" % (vlc.libvlc_get_version(), self.player_state_parse(self.player.get_state())))
-
-        self.bg_player = BackgroundMusicPlayer(self)
         self.bg_player_status("Background Player: %s" % self.player_state_parse(self.bg_player.player.get_state()))
 
         self.Show(True)
@@ -220,7 +226,8 @@ def select_row(e):
 
     def grid_set_shape(self, new_rows, new_cols, readonly_cols=None):
         current_rows, current_cols = self.grid.GetNumberRows(), self.grid.GetNumberCols()
-        self.grid.DeleteRows(0, current_rows, False)
+        if current_rows > 0:
+            self.grid.DeleteRows(0, current_rows, False)
         self.grid.AppendRows(new_rows)
         if new_cols < current_cols:
             self.grid.DeleteCols(0, current_cols - new_cols, False)
@@ -613,6 +620,17 @@ def on_timer(self, e):
             self.play_bar.SetValue(0)
             self.switch_to_zad()
 
+    # -------------------------------------------- Background Music Player --------------------------------------------
+
+    def background_play(self, e=None):
+        self.bg_player.play()
+        pass
+
+    def background_stop(self, e=None):
+        self.bg_player.stop()
+        pass
+
+
 
 if __name__ == "__main__":
     app = wx.App(False)