Python 3.TTK。如何更改特定单元格的值?
Python 3. TTK. How to change value of the specific cell?
我对 tkinter/ttk
有一些疑问。
所以,我知道如何获取 Treeview.focus,但如何更改此 table 中特定单元格的值?有什么建议吗?
import tkinter as tk
import tkinter.ttk as ttk
root = tk.Tk()
tview = ttk.Treeview(root)
tview["columns"] = ("SLOT_1","SLOT_2")
tview.column("SLOT_1", width=100 )
tview.column("SLOT_2", width=100)
tview.heading("#0",text="Column 0",anchor="w")
tview.heading("SLOT_1", text="Column 1")
tview.heading("SLOT_2", text="Column 2")
def add_item():
tview.insert("","end",values=("","bar"))
def edit_item():
focused = tview.focus()
print(tview.item(focused))
tview.pack()
add_item = tk.Button(root,text="Add item",command=add_item)
add_item.pack(expand=True,fill='both')
edit_item = tk.Button(root,text="Edit item",command=edit_item)
edit_item.pack(expand=True,fill='both')
root.mainloop()
我正在使用 Python 3.6
和 tkinter/ttk
。
我添加了一个线程,这样程序在等待用户输入编辑时不会挂起。您可能想要为要输入的编辑添加一个或多个文本框
import tkinter as tk
import tkinter.ttk as ttk
import threading
root = tk.Tk()
tview = ttk.Treeview(root)
tview["columns"] = ("SLOT_1", "SLOT_2")
tview.column("SLOT_1", width=100)
tview.column("SLOT_2", width=100)
tview.heading("#0", text="Column 0", anchor="w")
tview.heading("SLOT_1", text="Column 1")
tview.heading("SLOT_2", text="Column 2")
def test_program_thread():
thread = threading.Thread(None, edit_item, None, (), {})
thread.start()
def add_item():
tview.insert("", "end", values=("", "bar"))
def edit_item():
focused = tview.focus()
x = input('Enter a Value you want to change')
tview.insert("", str(focused)[1:], values=("", str(x)))
tview.delete(focused)
tview.pack()
add_item = tk.Button(root, text="Add item", command=add_item)
add_item.pack(expand=True, fill='both')
edit_item_button = tk.Button(root, text="Edit item", command=test_program_thread)
edit_item_button.pack(expand=True, fill='both')
root.mainloop()
基于 .
使用单个 .item 更新行而不是使用 .insert 添加新行然后使用 .delete 删除旧行将有助于包含 9 行以上的 Treeview 并将更新的行保留在在树视图中的相同位置。
修改后的完整代码 :
tview = ttk.Treeview(root)
tview["columns"] = ("SLOT_1", "SLOT_2")
tview.column("SLOT_1", width=100)
tview.column("SLOT_2", width=100)
tview.heading("#0", text="Column 0", anchor="w")
tview.heading("SLOT_1", text="Column 1")
tview.heading("SLOT_2", text="Column 2")
def test_program_thread():
thread = threading.Thread(None, edit_item, None, (), {})
thread.start()
def add_item():
tview.insert("", "end", values=("", "bar"))
def edit_item():
focused = tview.focus()
x = input('Enter a Value you want to change')
tview.item(focused, values=("", str(x)))
tview.pack()
add_item = tk.Button(root, text="Add item", command=add_item)
add_item.pack(expand=True, fill='both')
edit_item_button = tk.Button(root, text="Edit item", command=test_program_thread)
edit_item_button.pack(expand=True, fill='both')
root.mainloop()
我对 tkinter/ttk
有一些疑问。
所以,我知道如何获取 Treeview.focus,但如何更改此 table 中特定单元格的值?有什么建议吗?
import tkinter as tk
import tkinter.ttk as ttk
root = tk.Tk()
tview = ttk.Treeview(root)
tview["columns"] = ("SLOT_1","SLOT_2")
tview.column("SLOT_1", width=100 )
tview.column("SLOT_2", width=100)
tview.heading("#0",text="Column 0",anchor="w")
tview.heading("SLOT_1", text="Column 1")
tview.heading("SLOT_2", text="Column 2")
def add_item():
tview.insert("","end",values=("","bar"))
def edit_item():
focused = tview.focus()
print(tview.item(focused))
tview.pack()
add_item = tk.Button(root,text="Add item",command=add_item)
add_item.pack(expand=True,fill='both')
edit_item = tk.Button(root,text="Edit item",command=edit_item)
edit_item.pack(expand=True,fill='both')
root.mainloop()
我正在使用 Python 3.6
和 tkinter/ttk
。
我添加了一个线程,这样程序在等待用户输入编辑时不会挂起。您可能想要为要输入的编辑添加一个或多个文本框
import tkinter as tk
import tkinter.ttk as ttk
import threading
root = tk.Tk()
tview = ttk.Treeview(root)
tview["columns"] = ("SLOT_1", "SLOT_2")
tview.column("SLOT_1", width=100)
tview.column("SLOT_2", width=100)
tview.heading("#0", text="Column 0", anchor="w")
tview.heading("SLOT_1", text="Column 1")
tview.heading("SLOT_2", text="Column 2")
def test_program_thread():
thread = threading.Thread(None, edit_item, None, (), {})
thread.start()
def add_item():
tview.insert("", "end", values=("", "bar"))
def edit_item():
focused = tview.focus()
x = input('Enter a Value you want to change')
tview.insert("", str(focused)[1:], values=("", str(x)))
tview.delete(focused)
tview.pack()
add_item = tk.Button(root, text="Add item", command=add_item)
add_item.pack(expand=True, fill='both')
edit_item_button = tk.Button(root, text="Edit item", command=test_program_thread)
edit_item_button.pack(expand=True, fill='both')
root.mainloop()
基于
使用单个 .item 更新行而不是使用 .insert 添加新行然后使用 .delete 删除旧行将有助于包含 9 行以上的 Treeview 并将更新的行保留在在树视图中的相同位置。
修改后的完整代码
tview = ttk.Treeview(root)
tview["columns"] = ("SLOT_1", "SLOT_2")
tview.column("SLOT_1", width=100)
tview.column("SLOT_2", width=100)
tview.heading("#0", text="Column 0", anchor="w")
tview.heading("SLOT_1", text="Column 1")
tview.heading("SLOT_2", text="Column 2")
def test_program_thread():
thread = threading.Thread(None, edit_item, None, (), {})
thread.start()
def add_item():
tview.insert("", "end", values=("", "bar"))
def edit_item():
focused = tview.focus()
x = input('Enter a Value you want to change')
tview.item(focused, values=("", str(x)))
tview.pack()
add_item = tk.Button(root, text="Add item", command=add_item)
add_item.pack(expand=True, fill='both')
edit_item_button = tk.Button(root, text="Edit item", command=test_program_thread)
edit_item_button.pack(expand=True, fill='both')
root.mainloop()