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Python 如何制作ttk.Treeview';哪些行是可编辑的?_Python_Treeview_Tkinter_Ttk - Fatal编程技术网

Python 如何制作ttk.Treeview';哪些行是可编辑的?

Python 如何制作ttk.Treeview';哪些行是可编辑的?,python,treeview,tkinter,ttk,Python,Treeview,Tkinter,Ttk,有没有办法将ttk Treeview与可编辑行一起使用 我的意思是它应该更像一张桌子。例如,双击项目,使#0列“可编辑” 如果这是不可能的,任何允许鼠标在项目上选择的方法都可以。我在tkdocs或其他文档中没有发现任何关于这一点的内容。我不知道如何使行可编辑,但要捕获单击行的行为,可以使用虚拟事件。使用bind()方法将其绑定到例程,然后使用selection()方法获取所选项目的ID 这些是来自现有程序的片段,但显示了基本的调用顺序: # in Treeview setup routine

有没有办法将ttk Treeview与可编辑行一起使用

我的意思是它应该更像一张桌子。例如,双击项目,使#0列“可编辑”


如果这是不可能的,任何允许鼠标在项目上选择的方法都可以。我在tkdocs或其他文档中没有发现任何关于这一点的内容。

我不知道如何使行可编辑,但要捕获单击行的行为,可以使用
虚拟事件。使用
bind()
方法将其绑定到例程,然后使用
selection()
方法获取所选项目的ID

这些是来自现有程序的片段,但显示了基本的调用顺序:

# in Treeview setup routine
    self.tview.tree.bind("<<TreeviewSelect>>", self.TableItemClick)

# in TableItemClick()
    selitems = self.tview.tree.selection()
    if selitems:
        selitem = selitems[0]
        text = self.tview.tree.item(selitem, "text") # get value in col #0
树视图设置例程中的
#
self.tview.tree.bind(“,self.TableItemClick)
#在TableItemClick()中
selitems=self.tview.tree.selection()
如果选择下列项目:
selitem=selitems[0]
text=self.tview.tree.item(selitem,“text”)#获取列0中的值

经过长时间的研究,我还没有发现这样的功能,所以我想有。Tk是一个非常简单的接口,它允许程序员从基础构建“高级”功能。所以我希望我这样做

def onDoubleClick(self, event):
    ''' Executed, when a row is double-clicked. Opens 
    read-only EntryPopup above the item's column, so it is possible
    to select text '''

    # close previous popups
    # self.destroyPopups()

    # what row and column was clicked on
    rowid = self._tree.identify_row(event.y)
    column = self._tree.identify_column(event.x)

    # get column position info
    x,y,width,height = self._tree.bbox(rowid, column)

    # y-axis offset
    # pady = height // 2
    pady = 0

    # place Entry popup properly         
    text = self._tree.item(rowid, 'text')
    self.entryPopup = EntryPopup(self._tree, rowid, text)
    self.entryPopup.place( x=0, y=y+pady, anchor=W, relwidth=1)
这是一个类中的方法,该类将ttk.Treeview组成self.\u树

EntryPopup是非常简单的条目子类:

class EntryPopup(Entry):

    def __init__(self, parent, iid, text, **kw):
        ''' If relwidth is set, then width is ignored '''
        super().__init__(parent, **kw)
        self.tv = parent
        self.iid = iid

        self.insert(0, text) 
        # self['state'] = 'readonly'
        # self['readonlybackground'] = 'white'
        # self['selectbackground'] = '#1BA1E2'
        self['exportselection'] = False

        self.focus_force()
        self.bind("<Return>", self.on_return)
        self.bind("<Control-a>", self.select_all)
        self.bind("<Escape>", lambda *ignore: self.destroy())

    def on_return(self, event):
        self.tv.item(self.iid, text=self.get())
        self.destroy()

    def select_all(self, *ignore):
        ''' Set selection on the whole text '''
        self.selection_range(0, 'end')

        # returns 'break' to interrupt default key-bindings
        return 'break'
class EntryPopup(条目):
定义初始值(自身、父项、iid、文本,**kw):
''如果设置了relwidth,则忽略宽度''
超级()
self.tv=家长
self.iid=iid
self.insert(0,文本)
#self['state']='readonly'
#自我['readonlybackground']='white'
#self['selectbackground']='1BA1E2'
self['exportselection']=False
self.focus_force()
self.bind(“,self.on_return”)
self.bind(“,self.select\u all)
self.bind(“,lambda*忽略:self.destroy())
返回时的def(自身、事件):
self.tv.item(self.iid,text=self.get())
自我毁灭
def全选(自选,*忽略):
''在整个文本上设置选择''
自选择范围(0,“结束”)
#返回“break”以中断默认键绑定
返回“中断”

这仅用于为构造函数中设置的指定路径创建树。您可以将事件绑定到该树上的项目。事件函数以一种可以以多种方式使用该项的方式保留。在本例中,当双击项目时,它将显示该项目的名称。希望这对别人有帮助

    import ttk
    from Tkinter import*
    import os*

    class Tree(Frame):

    def __init__(self, parent):
        Frame.__init__(self, parent)
        self.parent = parent
        path = "/home/...."
        self.initUI(path)

    def initUI(self, path):
        self.parent.title("Tree")
        self.tree = ttk.Treeview(self.parent)
        self.tree.bind("<Double-1>", self.itemEvent)
        yScr = ttk.Scrollbar(self.tree, orient = "vertical", command = self.tree.yview)
        xScr = ttk.Scrollbar(self.tree, orient = "horizontal", command = self.tree.xview)
        self.tree.configure(yscroll = yScr.set, xScroll = xScr.set)
        self.tree.heading("#0", text = "My Tree", anchor = 'w')
        yScr.pack(side = RIGHT, fill = Y)

        pathy = os.path.abspath(path) 
        rootNode = self.tree.insert('', 'end', text = pathy, open = True)
        self.createTree(rootNode, pathy)

        self.tree.pack(side = LEFT, fill = BOTH, expand = 1, padx = 2, pady = 2)

        self.pack(fill= BOTH, expand = 1) 

    def createTree(self, parent, path)
        for p in os.listdir(path)
            pathy = os.path.join(path, p)
            isdir = os.path.isdir(pathy)
            oid = self.tree.insert(parent, 'end' text = p, open = False)
            if isdir:
               self.createTree(oid, pathy)

    def itemEvent(self, event):
        item = self.tree.selection()[0] # now you got the item on that tree
        print "you clicked on", self.tree.item(item,"text")



    def main():
        root = Tk.Tk()
        app = Tree(root)
        root.mainloop()

    if __name__ == '__main__'
       main()
导入ttk
从Tkinter进口*
导入操作系统*
类树(框架):
定义初始化(自身,父级):
帧。\uuuu初始化(自,父)
self.parent=parent
path=“/home/…”
self.initUI(路径)
def初始用户界面(自身,路径):
self.parent.title(“树”)
self.tree=ttk.Treeview(self.parent)
self.tree.bind(“,self.itemEvent)
yScr=ttk.Scrollbar(self.tree,orient=“vertical”,command=self.tree.yview)
xScr=ttk.Scrollbar(self.tree,orient=“horizontal”,command=self.tree.xview)
self.tree.configure(yscroll=yScr.set,xScroll=xScr.set)
self.tree.heading(“#0”,text=“我的树”,anchor='w')
yScr包装(侧面=右侧,填充=Y)
path=os.path.abspath(路径)
rootNode=self.tree.insert(“”,'end',text=pathy,open=True)
self.createTree(rootNode,pathy)
self.tree.pack(side=LEFT,fill=BOTH,expand=1,padx=2,pady=2)
self.pack(填充=两者,扩展=1)
def createTree(自、父、路径)
对于os.listdir(路径)中的p
path=os.path.join(路径,p)
isdir=os.path.isdir(pathy)
oid=self.tree.insert(父级,'end'text=p,open=False)
如果是isdir:
self.createTree(oid,pathy)
def itemEvent(自身,事件):
item=self.tree.selection()[0]#现在您在该树上获得了该项
打印“你点击的”,self.tree.item(item,“text”)
def main():
root=Tk.Tk()
app=树(根)
root.mainloop()
如果uuuu name uuuuu=='\uuuuuuu main\uuuuuu'
main()

您还可以弹出一个工具窗口,其中列出了可编辑字段,其中包含用于更新值的条目。这个例子有一个三列的treeview,不使用子类

将双击绑定到以下位置:

def OnDoubleClick(self, treeView):
    # First check if a blank space was selected
    entryIndex = treeView.focus()
    if '' == entryIndex: return

    # Set up window
    win = Toplevel()
    win.title("Edit Entry")
    win.attributes("-toolwindow", True)

    ####
    # Set up the window's other attributes and geometry
    ####

    # Grab the entry's values
    for child in treeView.get_children():
        if child == entryIndex:
            values = treeView.item(child)["values"]
            break

    col1Lbl = Label(win, text = "Value 1: ")
    col1Ent = Entry(win)
    col1Ent.insert(0, values[0]) # Default is column 1's current value
    col1Lbl.grid(row = 0, column = 0)
    col1Ent.grid(row = 0, column = 1)

    col2Lbl = Label(win, text = "Value 2: ")
    col2Ent = Entry(win)
    col2Ent.insert(0, values[1]) # Default is column 2's current value
    col2Lbl.grid(row = 0, column = 2)
    col2Ent.grid(row = 0, column = 3)

    col3Lbl = Label(win, text = "Value 3: ")
    col3Ent = Entry(win)
    col3Ent.insert(0, values[2]) # Default is column 3's current value
    col3Lbl.grid(row = 0, column = 4)
    col3Ent.grid(row = 0, column = 5)

    def UpdateThenDestroy():
        if ConfirmEntry(treeView, col1Ent.get(), col2Ent.get(), col3Ent.get()):
            win.destroy()

    okButt = Button(win, text = "Ok")
    okButt.bind("<Button-1>", lambda e: UpdateThenDestroy())
    okButt.grid(row = 1, column = 4)

    canButt = Button(win, text = "Cancel")
    canButt.bind("<Button-1>", lambda c: win.destroy())
    canButt.grid(row = 1, column = 5)
以下是如何删除条目:

def DeleteCurrentEntry(self, treeView):
    curr = treeView.focus()

    if '' == curr: return

    treeView.delete(curr)
从tkinter导入ttk
从tkinter进口*
root=Tk()
列=(“项”、“值”)
Treeview=ttk.Treeview(根,高度=18,show=“headers”,columns=columns)#
Treeview.column(“项目”,宽度=200,锚点='center')
列(“值”,宽度=200,锚点=”中心“)
Treeview.heading(“Items”,text=“Items”)
Treeview.heading(“值”,text=“值”)
Treeview.pack(侧边=左侧,填充=两侧)
名称=['Item1','Item2','Item3']
ipcode=['10','25','163']
对于范围内的i(最小值(len(名称),len(ipcode)):
insert(“”,i,value=(名称[i],ipcode[i]))
def treeview_sort_列(电视、列、反转):
l=[(电视机(k,col),k)代表电视中的k。获取儿童(“”)]
l、 排序(反向=反向)
对于枚举(l)中的索引(val,k):
电视移动(k,,,索引)
标题(col,command=lambda:treeview\u sort\u列(tv,col,not reverse))
def设置单元值(事件):
对于Treeview.selection()中的项:
item_text=Treeview.item(item,“值”)
column=Treeview.identification\u列(event.x)
行=Treeview.identification\u行(event.y)
cn=int(str(列).replace('#','')
rn=int(str(行)。替换('I','')
entryedit=Text(根,宽度=10+(cn-1)*16,高度=1)
入口编辑位置(x=16+(cn-1)*130,y=6+rn*20)
def saveedit():
Treeview.set(item,column=column,value=entryedit.get(0.0,“end”))
entryedit.destroy()
okb.destroy()
okb=ttk.Button(root,text='OK',width=4,command=saveedit)
确定地点(x=90)+
def DeleteCurrentEntry(self, treeView):
    curr = treeView.focus()

    if '' == curr: return

    treeView.delete(curr)
from tkinter import ttk
from tkinter import *

root = Tk()
columns = ("Items", "Values")
Treeview = ttk.Treeview(root, height=18, show="headings", columns=columns)  # 

Treeview.column("Items", width=200, anchor='center')
Treeview.column("Values", width=200, anchor='center')

Treeview.heading("Items", text="Items")
Treeview.heading("Values", text="Values")

Treeview.pack(side=LEFT, fill=BOTH)

name = ['Item1', 'Item2', 'Item3']
ipcode = ['10', '25', '163']
for i in range(min(len(name), len(ipcode))):
    Treeview.insert('', i, values=(name[i], ipcode[i]))


def treeview_sort_column(tv, col, reverse):
    l = [(tv.set(k, col), k) for k in tv.get_children('')]
    l.sort(reverse=reverse)
    for index, (val, k) in enumerate(l):
        tv.move(k, '', index)
        tv.heading(col, command=lambda: treeview_sort_column(tv, col, not reverse))


def set_cell_value(event):
    for item in Treeview.selection():
        item_text = Treeview.item(item, "values")
        column = Treeview.identify_column(event.x)
        row = Treeview.identify_row(event.y)
    cn = int(str(column).replace('#', ''))
    rn = int(str(row).replace('I', ''))
    entryedit = Text(root, width=10 + (cn - 1) * 16, height=1)
    entryedit.place(x=16 + (cn - 1) * 130, y=6 + rn * 20)

    def saveedit():
        Treeview.set(item, column=column, value=entryedit.get(0.0, "end"))
        entryedit.destroy()
        okb.destroy()

    okb = ttk.Button(root, text='OK', width=4, command=saveedit)
    okb.place(x=90 + (cn - 1) * 242, y=2 + rn * 20)


def newrow():
    name.append('to be named')
    ipcode.append('value')
    Treeview.insert('', len(name) - 1, values=(name[len(name) - 1], ipcode[len(name) - 1]))
    Treeview.update()
    newb.place(x=120, y=(len(name) - 1) * 20 + 45)
    newb.update()


Treeview.bind('<Double-1>', set_cell_value)
newb = ttk.Button(root, text='new item', width=20, command=newrow)
newb.place(x=120, y=(len(name) - 1) * 20 + 45)

for col in columns:
    Treeview.heading(col, text=col, command=lambda _col=col: treeview_sort_column(Treeview, _col, False))


root.mainloop()