"""
选择操作
展示几何变换、绘制图形、添加图标、添加滤镜、视觉效果等操作供用户选择
并根据用户选择，切换活动窗口内容

# lzq #
"""

from tkinter import *
from PIL import Image, ImageTk

import UI

class OperationFrame(Frame):
    lastHeight = 0
    canv = None
    varFrm = None
    logo = None
    def __init__(self, canv, master=None):
        self.canv=canv
        Frame.__init__(self, master, relief=RAISED, borderwidth=2, bg=UI.bg, width=105, height=655)
        
        logo = Image.open("img\\logo.jpg").resize((102,85))
        self.logo = ImageTk.PhotoImage(logo)
        Label(self, image=self.logo, width=105, height=90).place(x=0,y=0)
        Label(self, text=UI.soft_name,
              bitmap=UI.viewBmp, compound='left',
              width=UI.leftWidth-10, height=18
              ).place(x=0,y=90)

        self.lastHeight = 115
        for key in UI.varFrms:
            self.addFunction(key, UI.varFrms[key])

        pass

        #self.addButton()

    def addFunction(self, funcName, funcFrm):
        bcolor = UI.bg
        fcolor = UI.fg
        pw = UI.leftWidth-12
        ph = 25
        f = UI.font
        dy = ph+8
        btn = Button(self, text=funcName,
                     bg=bcolor, fg=fcolor,
                     bitmap=UI.viewBmp, compound='left',
                     width=pw, height=ph,
                     font=f,
                     command=lambda:self.replace(funcFrm))
        btn.place(x=0, y=self.lastHeight)
        self.lastHeight += dy
        pass

    def replace(self, newFrm):
        """
            替换右侧的操作面板
        """
        self.canv.unbind("<Button-1>")
        self.canv.unbind("<ButtonPress-1>")
        self.canv.unbind("<B1-Motion>")
        self.canv.unbind("<ButtonRelease-1>")
        self.canv.unbind("<Double-Button-1>")
        if self.varFrm is not None:
            self.varFrm.close()
        newFrm.show()
        self.varFrm = newFrm