76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
#PySimple examples (v 3.8)
|
|
#Tony Crewe
|
|
#Sep 2018
|
|
|
|
import PySimpleGUI as sg
|
|
|
|
sg.SetOptions (font =('Calibri',12,'bold'))
|
|
|
|
#names for Demo, could be loaded from a file
|
|
|
|
names = ['Roberta', 'Kylie', 'Jenny', 'Helen',
|
|
'Andrea', 'Meredith','Deborah','Pauline',
|
|
'Belinda', 'Wendy']
|
|
name = ''
|
|
for l in names:
|
|
name = name + l + '\n'
|
|
|
|
sorted_names = ['Andrea','Belinda','Deborah','Helen',
|
|
'Jenny','Kylie','Meredith','Pauline',
|
|
'Roberta','Wendy']
|
|
|
|
sortname = ''
|
|
for l in sorted_names:
|
|
sortname = sortname + l +'\n'
|
|
|
|
layout =[[sg.Text('Search Demo', font =('Calibri', 18, 'bold'))],
|
|
[sg.Text(name, size = (14, 11),relief=sg.RELIEF_SOLID,font = ('Calibri', 12), background_color = 'White',key = '_display1_'),
|
|
sg.Text(sortname, size = (14, 11),relief=sg.RELIEF_SOLID,font = ('Calibri', 12), background_color = 'White',key = '_display2_')],
|
|
[sg.Text('_'*32,font = ('Calibri', 12))],
|
|
[sg.InputText(size = (14,1), key = '_linear_'), sg.InputText(size = (14,1), key = '_binary_')],
|
|
[sg.ReadButton('Linear Search', size = (13,1)), sg.ReadButton('Binary Search', size = (14,1))],
|
|
]
|
|
window = sg.Window('Search Demo').Layout(layout)
|
|
|
|
#Linear Search - no need for Ordered list
|
|
def linear_search():
|
|
l = names[:]
|
|
found = False
|
|
for l in l:
|
|
if l == value['_linear_']:
|
|
found = True
|
|
sg.Popup('Linear search\n' + l + ' found.')
|
|
break
|
|
if not found:
|
|
sg.Popup('Linear search\n' +(value['_linear_'] + ' was not found'))
|
|
|
|
#Binary Search - only works for ordered lists
|
|
def binary_search():
|
|
l = sorted_names[:]
|
|
lo = 0
|
|
hi = len(l)-1
|
|
found = False
|
|
while lo <= hi:
|
|
mid = (lo + hi) //2
|
|
if l[mid] == value['_binary_']:
|
|
sg.Popup('Binary search\n' + l[mid] + ' found.')
|
|
found = True
|
|
break
|
|
elif l[mid] < value['_binary_']:
|
|
lo = mid + 1
|
|
else:
|
|
hi = mid - 1
|
|
if not found:
|
|
sg.Popup('Binary search\n' +(value['_binary_'] + ' was not found'))
|
|
|
|
while True:
|
|
button, value = window.Read()
|
|
|
|
if button is not None:
|
|
if button == 'Linear Search':
|
|
linear_search()
|
|
if button == 'Binary Search':
|
|
binary_search()
|
|
else:
|
|
break
|
|
|