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| import apply as apply
import pandas as pd
import numpy as np
from tkinter import*
"""
使用tklinter下的Listbox控件
实现一个单行多值的网格列表控件
"""
class MultiListbox(Frame):
def __init__(self,master,lists):
Frame.__init__(self,master)
self.lists = []
for l, w in lists:
frame = Frame(self)
frame.pack(side=LEFT, expand=YES, fill=BOTH)
Label(frame, text=l, borderwidth=1, relief=RAISED).pack(fill=X)
lb = Listbox(frame, width=w, borderwidth=0, selectborderwidth=0, relief=FLAT, exportselection=FALSE)
lb.pack(expand=YES, fill=BOTH)
self.lists.append(lb)
lb.bind("<B1-Motion>",lambda e, s=self: s._select(e.y))
lb.bind("<Button-1>",lambda e,s=self: s._select(e.y))
lb.bind("<Leave>",lambda e: "break")
lb.bind("<B2-Motion>",lambda e,s=self: s._b2motion(e.x,e.y))
lb.bind("<Button-2>",lambda e,s=self: s._button2(e.x,e.y))
frame = Frame(self)
frame.pack(side=LEFT, expand=YES, fill=BOTH)
Label(frame, borderwidth=1, relief=RAISED).pack(fill=X)
sb = Scrollbar(frame,orient=VERTICAL, command=self._scroll)
sb.pack(side=LEFT, fill=Y)
self.lists[0]["yscrollcommand"] = sb.set
def _select(self, y):
row = self.lists[0].nearest(y)
self.selection_clear(0, END)
self.selection_set(row)
return "break"
def _button2(self, x, y):
for l in self.lists:
l.scan_mark(x,y)
return "break"
def _b2motion(self, x, y):
for l in self.lists:
l.scan_dragto(x, y)
return "break"
def _scroll(self, *args):
for l in self.lists:
apply(l.yview, args)
return "break"
def curselection(self):
return self.lists[0].curselection()
def delete(self, first, last=None):
for l in self.lists:
l.delete(first,last)
def get(self, first, last=None):
result = []
for l in self.lists:
result.append(l.get(first,last))
if last:
return apply(map, [None] + result)
return result
def index(self, index):
self.lists[0],index(index)
def insert(self, index, *elements):
for e in elements:
i = 0
for l in self.lists:
l.insert(index, e[i])
i = i + 1
def size(self):
return self.lists[0].size()
def see(self, index):
for l in self.lists:
l.see(index)
def selection_anchor(self, index):
for l in self.lists:
l.selection_anchor(index)
def selection_clear(self, first, last=None):
for l in self.lists:
l.selection_clear(first,last)
def selection_includes(self, index):
return self.lists[0].seleciton_includes(index)
def selection_set(self, first, last=None):
for l in self.lists:
l.selection_set(first, last)
|
