Added a splash window at the start of the program. Currently only contains an...

Added a splash window at the start of the program. Currently only contains an image that probably needs some reworking.

umbra/controller.py

@@ -5,15 +5,15 @@ import tkinter.filedialog as fd
 import os
 
 
-
 class Controller:
     """Control of general functionality and communication between Model
     and View classes.
     """
 
-    def __init__(self, view, model):
+    def __init__(self, view, model, splash):
         self._model = model
         self._view = view
+        self._splash = splash
         self._view.actionlistener = self.actionlistener
 
         # Assume .csv only

umbra/umbra.py

 from controller import Controller
 from model import Model
-from view import View
+from view import View, SplashView
+from tkinter import Tk
 
 
 class Umbra:
     """Initialise seperate components of program."""
 
     def __init__(self):
+        self._root = Tk()
+        self._root.withdraw()
+        self._splash = SplashView(self._root)
         self._model = Model()
-        self._view = View()
-        self._controller = Controller(self._view, self._model)
+        self._view = View(self._root)
+        self._controller = Controller(self._view, self._model, self._splash)
 
     def main(self):
         """Start the main loop."""
+        self._splash.terminate()
         self._controller.start()
 
 

umbra/view.py

@@ -4,13 +4,14 @@ from tkinter import ttk, W, filedialog  # tk.ttk yields an AttributeError
 from functools import partial
 from utils import Utils as ut
 import tkinter.filedialog as fd
+from PIL import ImageTk, Image
 
 
 class View:
     """Handle GUI and I/O elements of the program."""
 
-    def __init__(self):
-        self._window = tk.Tk()
+    def __init__(self, parent):
+        self._window = parent
         self._window.wm_title("Umbra")
         self._frame = tk.Frame(self._window).grid(column=0, row=0)
         self._elements = {}  # Dict to avoid large number of attributes
@@ -49,6 +50,7 @@ class View:
 
     def display(self):
         """Start main loop, displaying GUI elements."""
+        self._window.deiconify()
         self._window.mainloop()
 
     def select_files(self, file_type):
@@ -339,3 +341,25 @@ class Options(View):
         action_function = partial(self._view._perform_action, key=command)
         tab.add_command(label=label)
         tab.bind('<Button>', action_function)
+
+
+class SplashView(tk.Toplevel):
+    """A splash screen while the rest of the application is loading. """
+
+    def __init__(self, parent):
+        tk.Toplevel.__init__(self, parent)
+        self.grab_set()
+        self.title("Umbra")
+        self.iconbitmap("./Graphical elements/umbra_logo_v2.ico")
+        im_path = Image.open("./Graphical elements/umbra_logo_v2.png")
+        ph = ImageTk.PhotoImage(im_path)
+        load_img = tk.Label(self, image=ph)
+        load_img.grid(row=0, column=0)
+
+        lbl1 = tk.Label(self, text="Welcome to Umbra!", font='Timesnewroman 20 ', fg='blue')
+        lbl1.grid(row=1, column=0)
+
+        self.update()
+
+    def terminate(self):
+        self.destroy()