Python+tkinter自定义实现文件选择按钮

import tkinter as tk
import tkinter.ttk as ttk
from tkinter.filedialog import (askopenfilename,
    askopenfilenames, askdirectory, asksaveasfilename)
from tkinter.colorchooser import askcolor

class DialogButton(ttk.Frame):
    def __init__(self, master, 
        height, widthL, widthR, label, logtype, text=None, 
        frmDct={}, btnDct={}, enyDct={}, logDct={}):
        w = widthL + widthR
        super().__init__(master, 
            height=height, width = w, **frmDct)
        self.pack()

        self.text = tk.StringVar() if not text else text
        ttk.Button(self, width=widthR, text=label,
            command = self.Click, **btnDct).pack(side=tk.RIGHT)
        ttk.Entry(self, width=widthL, textvariable=self.text, 
            **enyDct).pack(fill=tk.X, expand=True, padx=5)
        self.logtype = logtype
        self.logDct = logDct

    def Click(self):
        typeDct = {
            "文件"   : askopenfilename,
            "文件夹" : askdirectory,
            "多文件" : askopenfilenames,
            "保存文件" : asksaveasfilename,
            "颜色"   : askcolor,
        }
        text = typeDct[self.logtype](**self.logDct)
        self.text.set(text)

    def get(self):
        return self.text.get()

if __name__ == "__main__":
    root = tk.Tk()
    DialogButton(root, 10, 50, 10, "选择文件夹", "文件夹")
    root.mainloop()