Module ui.window.change_requests
Change Requests view
Expand source code
"""
Change Requests view
"""
import json
from tkinter import BOTH, RIGHT, E, X
from tkinter.ttk import Frame, Button
from lib.model import find_model_by_name
from lib.model.change_request import ChangeRequest
from ui.widgets.table import EmpDatTableCanvas
from ui.window import TkinterWindow
def _render_row_id(raw: str) -> str:
"""
Hook to prettify the Employee who initated the change
:param raw: json given in field by the controller
:return: pretty row_id (with name)
"""
loaded = json.loads(raw)
table_name = loaded[0]
row_id = loaded[1]
if row_id:
try:
return find_model_by_name(table_name).read(row_id).get_name()
except AttributeError:
pass
return 'NEW'
class ChangeRequestsWindow(TkinterWindow):
"""
Change Requests view
"""
def __init__(self, event_handlers):
"""
Adds the table and the bottom buttons
:param event_handlers: expects 'approve' and 'reject'
"""
super().__init__(event_handlers)
self.results = {}
self.master.geometry('1024x768')
self.master.title('Change Requests')
frame = Frame(self.master)
frame.pack(fill=BOTH, expand=1)
self.table = EmpDatTableCanvas(frame,
col_modifiers={
'ID affected': {
'render_as': lambda x: _render_row_id(x) # pylint: disable=unnecessary-lambda
},
'Changes': {
'render_as': lambda x:
ChangeRequest.prettify_changes(*json.loads(x))
}
},
on_selected=lambda: self.set_bottom_state('normal'),
data=self.results, rowheight=150)
self.table.show()
self.table.read_only = True
self.create_bottom()
def create_bottom(self):
"""
Approve and reject buttons
:return: None
"""
buttons = Frame(self.master)
self.reject_button = Button(
buttons,
text="Reject",
command=self.event_handlers['reject'],
state='disabled'
)
self.approve_button = Button(
buttons,
text="Approve",
command=self.event_handlers['approve'],
state='disabled'
)
self.approve_button.pack(side=RIGHT, anchor=E)
self.reject_button.pack(side=RIGHT, anchor=E)
buttons.pack(side=RIGHT, fill=X, expand=1)
def set_bottom_state(self, state):
"""
Utility for disabling/enabling the bottom buttons
:param state: Tkinter button state str
:return: None
"""
self.approve_button['state'] = state
self.reject_button['state'] = state
def add_to_result(self, record_id, to_add: dict):
"""
Adds a view model to the table
:param record_id: record ID
:param to_add: view model to add
:return: None
"""
to_add['ID affected'] = json.dumps((to_add['Data Type'], to_add['ID affected']))
to_add['Changes'] = json.dumps((to_add['Changes'], to_add['Data Type']))
self.table.addRow(record_id, **to_add)
def destroy_results(self):
"""
Destroy all rows
:return: None
"""
keys = list(self.table.model.data.keys())
for key in keys:
self.table.model.deleteRow(key=key)Classes
class ChangeRequestsWindow (event_handlers)-
Change Requests view
Adds the table and the bottom buttons :param event_handlers: expects 'approve' and 'reject'
Expand source code
class ChangeRequestsWindow(TkinterWindow): """ Change Requests view """ def __init__(self, event_handlers): """ Adds the table and the bottom buttons :param event_handlers: expects 'approve' and 'reject' """ super().__init__(event_handlers) self.results = {} self.master.geometry('1024x768') self.master.title('Change Requests') frame = Frame(self.master) frame.pack(fill=BOTH, expand=1) self.table = EmpDatTableCanvas(frame, col_modifiers={ 'ID affected': { 'render_as': lambda x: _render_row_id(x) # pylint: disable=unnecessary-lambda }, 'Changes': { 'render_as': lambda x: ChangeRequest.prettify_changes(*json.loads(x)) } }, on_selected=lambda: self.set_bottom_state('normal'), data=self.results, rowheight=150) self.table.show() self.table.read_only = True self.create_bottom() def create_bottom(self): """ Approve and reject buttons :return: None """ buttons = Frame(self.master) self.reject_button = Button( buttons, text="Reject", command=self.event_handlers['reject'], state='disabled' ) self.approve_button = Button( buttons, text="Approve", command=self.event_handlers['approve'], state='disabled' ) self.approve_button.pack(side=RIGHT, anchor=E) self.reject_button.pack(side=RIGHT, anchor=E) buttons.pack(side=RIGHT, fill=X, expand=1) def set_bottom_state(self, state): """ Utility for disabling/enabling the bottom buttons :param state: Tkinter button state str :return: None """ self.approve_button['state'] = state self.reject_button['state'] = state def add_to_result(self, record_id, to_add: dict): """ Adds a view model to the table :param record_id: record ID :param to_add: view model to add :return: None """ to_add['ID affected'] = json.dumps((to_add['Data Type'], to_add['ID affected'])) to_add['Changes'] = json.dumps((to_add['Changes'], to_add['Data Type'])) self.table.addRow(record_id, **to_add) def destroy_results(self): """ Destroy all rows :return: None """ keys = list(self.table.model.data.keys()) for key in keys: self.table.model.deleteRow(key=key)Ancestors
Methods
def add_to_result(self, record_id, to_add: dict)-
Adds a view model to the table :param record_id: record ID :param to_add: view model to add :return: None
Expand source code
def add_to_result(self, record_id, to_add: dict): """ Adds a view model to the table :param record_id: record ID :param to_add: view model to add :return: None """ to_add['ID affected'] = json.dumps((to_add['Data Type'], to_add['ID affected'])) to_add['Changes'] = json.dumps((to_add['Changes'], to_add['Data Type'])) self.table.addRow(record_id, **to_add) def create_bottom(self)-
Approve and reject buttons :return: None
Expand source code
def create_bottom(self): """ Approve and reject buttons :return: None """ buttons = Frame(self.master) self.reject_button = Button( buttons, text="Reject", command=self.event_handlers['reject'], state='disabled' ) self.approve_button = Button( buttons, text="Approve", command=self.event_handlers['approve'], state='disabled' ) self.approve_button.pack(side=RIGHT, anchor=E) self.reject_button.pack(side=RIGHT, anchor=E) buttons.pack(side=RIGHT, fill=X, expand=1) def destroy_results(self)-
Destroy all rows :return: None
Expand source code
def destroy_results(self): """ Destroy all rows :return: None """ keys = list(self.table.model.data.keys()) for key in keys: self.table.model.deleteRow(key=key) def set_bottom_state(self, state)-
Utility for disabling/enabling the bottom buttons :param state: Tkinter button state str :return: None
Expand source code
def set_bottom_state(self, state): """ Utility for disabling/enabling the bottom buttons :param state: Tkinter button state str :return: None """ self.approve_button['state'] = state self.reject_button['state'] = state
Inherited members