init

treeview_selection_set.py

@@ -0,0 +1,48 @@
+from tkinter import *
+from tkinter import ttk
+import string, random, faker
+
+fake = faker.Faker()
+
+class App:
+    def __init__(self, root):
+        self.root = root
+        self.tree = ttk.Treeview(self.root, columns=['Integer'])
+        self.button = Button(root, text='Randomly Choose', command=self.randomSet)
+        self.button2 = Button(root, text='Randomly Choose2', command=self.randomSet)
+        self.button1 = Button(root, text='Randomly Choose1', command=self.randomSet)
+        
+        # Create values
+        # rnd = lambda x : ''.join(random.choices(list(string.ascii_letters), k=x))    
+        self.values = [fake.name() for i in range(1, 30)]
+
+        # Create tree ids and insert values
+        self.tree.heading('#0', text='String')
+        self.tree.heading('#1', text='Integer')
+        self.tree.column('#0', anchor=CENTER)
+        self.tree.column('#1', anchor=CENTER)
+
+        self.ids = []
+        for value in self.values:
+            tree_id = self.tree.insert("", "end", text=value, values=random.randint(0, len(self.values)))
+            self.ids.append(tree_id)
+        
+        # Grid buttons and tree
+        self.tree.grid(column=0, row=0, columnspan=3, padx=5, pady=5)
+        self.button2.grid(column=2, row=1, columnspan=1, padx=5, pady=5, sticky=N+E+W+S)
+        self.button1.grid(column=1, row=1, columnspan=1, padx=5, pady=5, sticky=N+E+W+S)
+        self.button.grid(column=0, row=1, columnspan=1, padx=5, pady=5, sticky=N+E+W+S)
+    
+    # Selection items randomly
+    def randomSet(self):
+        minLength = int(len(self.ids) / 2.0)
+        self.choices = []
+        while len(self.choices) < minLength:
+            choice = random.choice(self.ids)
+            if choice not in self.choices:
+                self.choices.append(choice)
+        self.tree.selection_set(self.choices)
+
+root = Tk()
+App(root)
+root.mainloop()