[英]Python - tkinter: Resize Treeview horizontally
为了说明anytree
中tkinter
树的大树,我使用Treeview
。 我的目标是水平调整(动态) Treeview
object 的数据在调整 window 的大小后存储的列的大小。我试图将Treeview
object 本身放在某个Frame
中并用一些sticky="ew"
制作它。 由于某种原因,我的想法没有任何效果。
PS:我知道我可以设置column
的width
self.treeview.column("# 1",anchor=CENTER, stretch=YES, width=1000)
这棵树的问题就解决了。 但是我需要一些来自anytree
的任意树的动态解决方案。
希望你能帮助并告诉我如何解决这个问题。
我的代码:
from tkinter import *
from tkinter import ttk
from anytree import Node, RenderTree, AsciiStyle, PreOrderIter
# anytree definition
udo = Node("Udo the very first king of London and Manchester, born in China and studied in Japan.")
marc = Node("Marc the second monarch of south carolina married Isabel the very first arab princess.", parent=udo)
class AnyTreeView(Toplevel):
'''
Illustrates some anytree treeview into some
'''
def __init__(self, master, tree ):
super().__init__(master = master)
self.resizable(width=True, height=False)
self.main_frame = Frame(self)
self.main_frame.grid(row=1,column=1,sticky="ew")
self.title('AnyTreeView')
self.tree = tree
h = len([node.name for node in PreOrderIter(tree)])
self.treeview = ttk.Treeview(self.main_frame, column=("c1"), height = h)
self.treeview.column("# 1",anchor=CENTER, stretch=YES)
self.treeview.pack(expand=True, fill='y')
def generate(self):
'''
Dynamically generates the treeview object with the nodes from the parameter tree.
'''
index = 0
for node in PreOrderIter(self.tree):
print(node.name)
self.treeview.insert('',f'{index}', node.name, text = node.name)
index = index + 1
for node in PreOrderIter(self.tree):
for child in node.children:
self.treeview.move(child.name, node.name, 'end')
def m_tree():
tv = AnyTreeView(root, udo)
tv.generate()
root = Tk()
bt = Button(text ="Tree", command = m_tree)
bt.pack()
root.mainloop()
基于上述评论的解决方案:
from tkinter import *
from tkinter import ttk
from anytree import Node, RenderTree, AsciiStyle, PreOrderIter
# anytree definition
udo = Node("Udo the very first king of London and Manchester, born in China and studied in Japan.")
marc = Node("Marc the second monarch of south carolina married Isabel the very first arab princess.", parent=udo)
class AnyTreeView(Toplevel):
'''
Illustrates some anytree treeview into some
'''
def __init__(self, master, tree ):
super().__init__(master = master)
self.resizable(width=True, height=False)
self.main_frame = Frame(self)
self.main_frame.grid(row=1,column=1,sticky="ew")
self.title('AnyTreeView')
self.tree = tree
h = len([node.name for node in PreOrderIter(tree)])
self.treeview = ttk.Treeview(self.main_frame, column=("c1"), height = h)
self.treeview.column("# 1",anchor=CENTER, stretch=YES)
# Streching treeview after right atjust the window
self.columnconfigure(1, weight=1)
self.treeview.pack(expand=True, fill='x')
def generate(self):
'''
Dynamically generates the treeview object with the nodes from the parameter tree.
'''
index = 0
for node in PreOrderIter(self.tree):
print(node.name)
self.treeview.insert('',f'{index}', node.name, text = node.name)
index = index + 1
for node in PreOrderIter(self.tree):
for child in node.children:
self.treeview.move(child.name, node.name, 'end')
def m_tree():
tv = AnyTreeView(root, udo)
tv.generate()
root = Tk()
bt = Button(text ="Tree", command = m_tree)
bt.pack()
root.mainloop()
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