Latest updates from Tony

ProgrammingClassExamples/MacOS versions/9c PSG Tabs example plus.py

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+#PySimple examples (v 3.9)
+#Tony Crewe
+#Oct 2018 MacOs
+
+import PySimpleGUI as sg
+import os
+
+#sg.ChangeLookAndFeel('BlueMono')
+sg.SetOptions (background_color = 'LightBlue',
+            element_background_color = 'LightBlue',
+            text_element_background_color = 'LightBlue',
+               font = ('Arial', 12, 'bold'),
+               text_color = 'Blue',
+               input_text_color ='Blue',
+               button_color = ('Blue', 'White'))
+
+#get pathname to current file
+
+dirname, filename = os.path.split(os.path.abspath(__file__))
+pathname = os.path.join(dirname , 'Names.txt' ) 
+   
+#Get data from file
+names = [line.strip() for line in open(pathname)]
+sorted_names = names[:]
+sorted_names.sort()
+
+tab1_layout =[[sg.Text('Linear Search Demo', font =('Calibri', 14, 'bold'))],
+        [sg.Listbox(values =[n for n in names], size = (15, 12),font = ('Calibri', 12), background_color ='White',key = '_display1_')],
+         [sg.Text('_'*25,font = ('Calibri', 12))],
+         [sg.Text('Enter name to search for:',font = ('Calibri', 14, 'bold'))],
+         [sg.InputText(size = (15,1), key = '_linear_')],
+          [sg.ReadButton('Linear Search', font = ('Calibri', 14, 'bold'), size = (11,1))]]
+
+tab2_layout = [[sg.Text('Binary Search Demo', font =('Calibri', 14, 'bold'))],
+        [sg.Listbox(values =[n for n in sorted_names], size = (15, 12),font = ('Calibri', 12), background_color ='White',key = '_display2_')],
+         [sg.Text('_'*25,font = ('Calibri', 12))],
+         [sg.Text('Enter name to search for:',font = ('Calibri', 14, 'bold'))],
+         [sg.InputText(size = (15,1), key = '_binary_')],
+          [sg.ReadButton('Binary Search',font = ('Calibri', 14, 'bold'), size = (11,1))]]
+
+layout = [
+    [sg.TabGroup([[sg.Tab('Linear Search', tab1_layout),sg.Tab('Binary Search', tab2_layout)]])]]
+
+window = sg.Window('Main Window').Layout(layout)
+
+#Linear Search - no need for Ordered list
+def linear_search():
+    l = names[:]
+    found = False
+    for l in l:
+        if l == value['_linear_']:             #Check each value
+            found = True
+            result = ['Linear search', l + ' found']
+            window.FindElement('_display1_').Update(result)
+            break
+    if not found:
+        result = [value['_linear_'], 'was not found']
+        window.FindElement('_display1_').Update(result)
+
+#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_']:    
+            found = True
+            result = ['Binary search', l[mid] + ' found.']
+            window.FindElement('_display2_').Update(result)    
+            break                   
+        elif l[mid] < value['_binary_']:
+            lo = mid + 1            
+        else:
+            hi = mid - 1            
+    if not found:                  
+        result = [value['_binary_'], 'was not found']
+        window.FindElement('_display2_').Update(result)
+
+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