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from Tkinter import *
class Outline:
def __init__(self, root=None):
if not root:
import Tkinter
root = Tkinter._default_root
if not root:
root = top = Tk()
else:
top = Toplevel(root)
top.wm_title("Outline")
self.canvas = canvas = Canvas(top, width=400, height=300,
borderwidth=2, relief="sunken",
background="#FFBBBB")
canvas.pack(expand=1, fill="both")
self.items = []
def additem(self, level, open, label):
x = 15*level + 5
y = 15*len(self.items) + 5
if open:
id1 = self.canvas.create_polygon(x+3, y+3, x+13, y+3, x+8, y+8,
outline="black",
fill="green")
else:
id1 = self.canvas.create_polygon(x+3, y+4, x+7, y+8, x+3, y+12,
outline="black",
fill="red")
w = Entry(self.canvas, borderwidth=0, background="#FFBBBB", width=0)
w.insert("end", label)
id2 = self.canvas.create_window(x+15, y, anchor="nw", window=w)
self.items.append((level, open, label, id1, w, id2))
def main():
o = Outline()
o.additem(0, 1, "hello world")
o.additem(1, 0, "sub1")
o.additem(1, 1, "sub2")
o.additem(2, 0, "sub2.a")
o.additem(2, 0, "sub2.b")
o.additem(1, 0, "sub3")
main()
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