dsp-blockchain/gui.py

from tkinter import *
from linked_data import Chain, format_dict
import pprint

chain = Chain()
chain.populate()

root = Tk()
root.title('dsp blockchain')

view = Entry(root, width=35, borderwidth=5)
view.grid(row=0, column=1, columnspan=3, padx=10, pady=10)

accept_id = Entry(root, width=35, borderwidth=5)
accept_id.grid(row=4, column=1, columnspan=3, padx=10, pady=10)
accept_id.insert(0, 'contract')

accept_status = StringVar(root)
accept_status.set('False') # default value
OptionMenu(root, accept_status, 'False', 'True').grid(row=4, column=4)


def myClick():
    chain.current_contract_state(int(view.get()))
    pprint.pprint(chain.state)

def add_contract():

    # add contract to the blockchain
    def add():
        chain.new_contract(client.get(), contractor.get(), deadline.get(), description.get(), name.get(), int(price.get()), people.get().split(','), initiator.get())

        # destroy add contract window, and print conformation
        newWindow.destroy()
        print('contract added')

    # make new window for adding the information for the contract
    newWindow = Toplevel(root)
    newWindow.title('Add contract')

    # create all text boxes
    Label(newWindow, text='The client: ').grid(row=0, column=0)
    client =  Entry(newWindow, width=35, borderwidth=5)
    client.grid(row=0, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='The contractor: ').grid(row=1, column=0)
    contractor =  Entry(newWindow, width=35, borderwidth=5)
    contractor.grid(row=1, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Deadline: ').grid(row=2, column=0)
    deadline =  Entry(newWindow, width=35, borderwidth=5)
    deadline.grid(row=2, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Description: ').grid(row=3, column=0)
    description =  Entry(newWindow, width=35, borderwidth=5)
    description.grid(row=3, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Project name: ').grid(row=4, column=0)
    name =  Entry(newWindow, width=35, borderwidth=5)
    name.grid(row=4, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Price: ').grid(row=5, column=0)
    price =  Entry(newWindow, width=35, borderwidth=5)
    price.grid(row=5, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='People involved: ').grid(row=6, column=0)
    people =  Entry(newWindow, width=35, borderwidth=5)
    people.grid(row=6, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Initiator').grid(row=7, column=0)
    initiator =  Entry(newWindow, width=35, borderwidth=5)
    initiator.grid(row=7, column=1, columnspan=3, padx=10, pady=10)

    # create the add contract button
    add_c = Button(newWindow, text = "Add contract", command=add)
    add_c.grid(row=8, column=0)

def update():

    def up():
        chain.update_contract(int(iden.get()), term.get(), update_value.get(), name.get())

        newWindow.destroy()
        print('update pending approval')

    newWindow = Toplevel(root)
    newWindow.title('Update terms')

    Label(newWindow, text='Contract id: ').grid(row=0, column=0)
    iden =  Entry(newWindow, width=35, borderwidth=5)
    iden.grid(row=0, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Term: ').grid(row=1, column=0)
    term =  Entry(newWindow, width=35, borderwidth=5)
    term.grid(row=1, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='New value: ').grid(row=2, column=0)
    update_value =  Entry(newWindow, width=35, borderwidth=5)
    update_value.grid(row=2, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Name: ').grid(row=3, column=0)
    name =  Entry(newWindow, width=35, borderwidth=5)
    name.grid(row=3, column=1, columnspan=3, padx=10, pady=10)
    
    Button(newWindow, text='Update', command=up).grid(row=4, column=0)


def accept_update():
    def accept_up():
        c = comment.get()
        ans = awnser.get()
        if ans == 'False':
            ans = False
        else: ans = True

        if c == '':
            chain.accept_update(int(iden.get()), int(update_id.get()), ans, name.get())
        else:
            chain.accept_update(int(iden.get()), int(update_id.get()), ans, name.get(), c)

        newWindow.destroy()


    newWindow = Toplevel(root)
    newWindow.title('Update terms')

    Label(newWindow, text='Contract id: ').grid(row=0, column=0)
    iden =  Entry(newWindow, width=35, borderwidth=5)
    iden.grid(row=0, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Update id: ').grid(row=1, column=0)
    update_id =  Entry(newWindow, width=35, borderwidth=5)
    update_id.grid(row=1, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Awnser ').grid(row=2, column=0)
    awnser =  Entry(newWindow, width=35, borderwidth=5)
    awnser.grid(row=2, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Name: ').grid(row=3, column=0)
    name =  Entry(newWindow, width=35, borderwidth=5)
    name.grid(row=3, column=1, columnspan=3, padx=10, pady=10)

    Label(newWindow, text='Comment optional: ').grid(row=3, column=0)
    comment =  Entry(newWindow, width=35, borderwidth=5)
    comment.grid(row=3, column=1, columnspan=3, padx=10, pady=10)
    
    Button(newWindow, text='Update', command=accept_up).grid(row=4, column=0)
    
def view_updates():
    status =accept_status.get()
    if status == 'False':
        status = False
    else: status = True
    iden = int(accept_id.get())
    if status == None:
        pprint.pprint(chain.retrieve_updates(iden))
    else:
        pprint.pprint(chain.retrieve_updates(iden, status))
    
    

Button(root, text="View contract", command=myClick).grid(row=0, column=0)

Button(root, text="New contract", command=add_contract).grid(row=1, column=0)

Button(root, text="Update contract", command=update).grid(row=2, column=0)

Button(root, text="Accept updates", command=accept_update).grid(row=3, column=0)

Button(root, text="View pending updates", command=view_updates).grid(row=4, column=0)



root.mainloop()