Tkinter在Treeview小部件中插入一个Combobox [英] Tkinter insert a Combobox inside a Treeview widget
问题描述
例如,让我们使用类创建一个TreeView小部件,如下所示:
class FiltersTree:
def __init__ (self,master,filters):
self.master = master
self.filters = filters
self.treeFrame = Frame(self.master)
self.treeFrame.pack )
self._create_treeview()
self._populate_root()
def _create_treeview(self):
self.dataCols = ['filter','attribute']
self.tree = ttk.Treeview(self.master,columns = self.dataCols,displaycolumns ='#all')
填充root,照常插入孩子。在代码块的结尾,你可以看到我想使用Combo对象在树中放置一个Combobox:
def _populate_root(self):
#a Filter对象
for self.filters中的过滤器:
top_node = self.tree.insert('','end',text = filter.name)
#a字段对象
在filter.fields中的字段:
mid_node = self.tree.insert(top_node,'end',text = field.name)
#insert field attributes
self.insert_children(mid_node,field)
def insert_children(self,parent,field):
name = self.tree.insert (父,'end',text ='字段名:',
值= [field.name])
self.tree.insert
values = [Combo(self)])#< ---组合对象
...
接下来是Combo的类定义。对我有用[0]丢个板砖[0]引用回复举报回复引用举报回复引用举报回复引用举报返回列表发新帖高级模式B Color Image Link Quote Code Smilies您需要登录后才可以回帖登录| .Frame):
def __init __(self,master):
self.opts =('opt1','opt2','etc')
self.comboFrame = ttk.Labelframe ,text ='Choose option')
self.comboFrame.pack()
self.combo = ttk.Combobox(comboFrame,values = self.opts,state ='readonly')
self .combo.current(1)
self.combo.pack()
完全错了?我想在树视图窗口小部件内具有在单位(例如m / s,ft / s等)之间切换的能力。
p>
树视图窗口小部件不支持嵌入式窗口小部件。 values
属性的值被视为字符串。
For example, lets create a Treeview widget using a class as follows:
class FiltersTree:
def __init__(self, master, filters):
self.master = master
self.filters = filters
self.treeFrame = Frame(self.master)
self.treeFrame.pack()
self._create_treeview()
self._populate_root()
def _create_treeview(self):
self.dataCols = ['filter', 'attribute']
self.tree = ttk.Treeview(self.master, columns = self.dataCols, displaycolumns = '#all')
Populate root, insert children as usual. At the end of the codeblock, you can see where I want to put a Combobox in the tree, using a Combo object:
def _populate_root(self):
# a Filter object
for filter in self.filters:
top_node = self.tree.insert('', 'end', text=filter.name)
# a Field object
for field in filter.fields:
mid_node = self.tree.insert(top_node, 'end', text = field.name)
# insert field attributes
self.insert_children(mid_node, field)
def insert_children(self, parent, field):
name = self.tree.insert(parent, 'end', text = 'Field name:',
values = [field.name])
self.tree.insert(parent, 'end', text = 'Velocity: ',
values = [Combo(self)]) # <--- Combo object
...
Next the class definition of Combo follows. The way I understand it, the combobox widget inherits from and must be placed inside the Labelframe widget from ttk:
class Combo(ttk.Frame):
def __init__(self, master):
self.opts = ('opt1', 'opt2', 'etc')
self.comboFrame = ttk.Labelframe(master, text = 'Choose option')
self.comboFrame.pack()
self.combo = ttk.Combobox(comboFrame, values=self.opts, state='readonly')
self.combo.current(1)
self.combo.pack()
So is this completely wrong? I want to have the ability to change between units (eg m/s, ft/s, etc) from within the Treeview widget.
Any suggestions, plz?
The treeview widget doesn't support embedded widgets. The values for the values
attribute are treated as strings.
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