好吧，所以它不是很漂亮，将这样的代码投入生产也不会感到很好，但是它确实可以工作。为了使其更加理智和提高生产质量，我可能将JSONTree设置为一个类，并将所有这些代码包装到方法中。这样可以简化和清除代码，并减少将对象传递给事件处理程序的过程。
import json
import tkinter as tk
from tkinter import ttk
from pprint import pprint as pprint
# opt_name: (from_, to, increment)
IntOptions = {
'age': (1.0, 200.0, 1.0),
}
def close_ed(parent, edwin):
parent.focus_set()
edwin.destroy()
def set_cell(edwin, w, tvar):
value = tvar.get()
w.item(w.focus(), values=(value,))
close_ed(w, edwin)
def edit_cell(e):
w = e.widget
if w and len(w.item(w.focus(), 'values')) > 0:
edwin = tk.Toplevel(e.widget)
edwin.protocol("WM_DELETE_WINDOW", lambda: close_ed(w, edwin))
edwin.grab_set()
edwin.overrideredirect(1)
opt_name = w.focus()
(x, y, width, height) = w.b@R_712_2419@(opt_name, 'Values')
edwin.geometry('%dx%d+%d+%d' % (width, height, w.winfo_rootx() + x, w.winfo_rooty() + y))
value = w.item(opt_name, 'values')[0]
tvar = tk.StringVar()
tvar.set(str(value))
ed = None
if opt_name in IntOptions:
constraints = IntOptions[opt_name]
ed = tk.Spin@R_712_2419@(edwin, from_=constraints[0], to=constraints[1],
increment=constraints[2], textvariable=tvar)
else:
ed = tk.Entry(edwin, textvariable=tvar)
if ed:
ed.config(background='LightYellow')
#ed.grid(column=0, row=0, sticky=(tk.N, tk.S, tk.W, tk.E))
ed.pack()
ed.focus_set()
edwin.bind('<Return>', lambda e: set_cell(edwin, w, tvar))
edwin.bind('<Escape>', lambda e: close_ed(w, edwin))
def JSONTree(Tree, Parent, Dictionery, TagList=[]):
for key in Dictionery :
if isinstance(Dictionery[key], dict):
Tree.insert(Parent, 'end', key, text=key)
TagList.append(key)
JSONTree(Tree, key, Dictionery[key], TagList)
pprint(TagList)
elif isinstance(Dictionery[key], list):
Tree.insert(Parent, 'end', key, text=key) # Still working on this
else:
Tree.insert(Parent, 'end', key, text=key, value=Dictionery[key])
if __name__ == "__main__" :
# Setup the root UI
root = tk.Tk()
root.title("JSON editor")
root.columnconfigure(0, weight=1)
root.rowconfigure(0, weight=1)
# Setup Data
Data = {
"firstName": "John",
"lastName": "Smith",
"gender": "man",
"age": 32,
"address": {
"streetAddress": "21 2nd Street",
"city": "New York",
"state": "NY",
"postalCode": "10021"},
"phoneNumbers": [
{ "type": "home", "number": "212 555-1234" },
{ "type": "fax", "number": "646 555-4567" },
]}
# Setup the Frames
TreeFrame = ttk.Frame(root, padding="3")
TreeFrame.grid(row=0, column=0, sticky=tk.NSEW)
# Setup the Tree
tree = ttk.Treeview(TreeFrame, columns=('Values'))
tree.column('Values', width=100, anchor='center')
tree.heading('Values', text='Values')
tree.bind('<Double-1>', edit_cell)
tree.bind('<Return>', edit_cell)
JSONTree(tree, '', Data)
tree.pack(fill=tk.BOTH, expand=1)
# Limit windows minimum dimensions
root.update_idletasks()
root.minsize(root.winfo_reqwidth(), root.winfo_reqheight())
root.mainloop()
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