def __init__(self, root):
"""
Construct create lesson window.
@param {tkinter object} root
@return {void}
"""
self.root = root
# Interface elements
self._id = ''
self.name = ''
self.slide_details = ''
self.lesson = Lesson(self._id, self.name)
self.slides = []
# Build interface
self.build()
class LessonCreate:
"""
This class is responsible for providing
a GUI through which a user can create a
lesson.
"""
def __init__(self, root):
"""
Construct create lesson window.
@param {tkinter object} root
@return {void}
"""
self.root = root
# Interface elements
self._id = ''
self.name = ''
self.slide_details = ''
self.lesson = Lesson(self._id, self.name)
self.slides = []
# Build interface
self.build()
def save(self, published = False):
"""
Save the lesson object to the lesson
store once populated with the
users data.
@return {void}
"""
slides = self.slide_details.get()
# Set the lesson _id using
# the id provided by the user
#
self.lesson._id = self._id.get()
# Set the lesson name using
# the id provided by the user
#
self.lesson.name = self.name.get()
# Set the lesson published attribute
# using the id provided by the user
#
self.lesson.published = published
# Add the lesson slides to
# the lesson object from the
# slide details section of the form
#
for slide in slides:
self.lesson.add(slide['_id'], slide['name'], slide['image'])
# Store the lesson object in the
# persistent lesson store
#
self.lesson.store()
self.root.destroy()
def build(self):
"""
Builds the tkinter based interface
for the create lesson window.
@return {void}
"""
title = tk.Label(self.root, text='Create Lesson', font=('Arial', 26))
title.grid(padx=40, pady=40, sticky=tk.W)
# Lesson Details Frame
# Contains lesson id entry field and
# lesson name entry field.
#
lesson_details_frame = tk.Frame(self.root)
# lesson id
tk.Label(lesson_details_frame, text='Lesson ID').grid(sticky=tk.W)
self._id = tk.Entry(lesson_details_frame)
self._id.grid(sticky=tk.W)
# lesson name
tk.Label(lesson_details_frame, text='Lesson Name').grid(sticky=tk.W)
self.name = tk.Entry(lesson_details_frame)
self.name.grid(sticky=tk.W)
lesson_details_frame.grid(padx=40, pady=0, sticky=tk.W)
# slide details
self.slide_details = SlideDetails(self.root, self.lesson)
# buttons
tk.Button(self.root, text='Publish & Close', command=lambda: self.save(published=True)).grid(padx=40, sticky=tk.W)
tk.Button(self.root, text='Save & Close', command=lambda: self.save()).grid(padx=40, sticky=tk.W)
tk.Button(self.root, text='Close', command=self.root.destroy).grid(padx=40, sticky=tk.W)
tk.Label(self.root).grid()
