一帧WXPYTHON中多个面板出错

Question

我在1帧中有3个面板函数onSwitchPanels带我从面板到面板，知道我想要检查一下如果这个检查没问题那么我想要SwitchPanels有问题，我堆叠我做错了什么（对不起我的英文）

有人可以帮忙吗？

代码如下：

        import wx
    import wx.grid as gridlib

    ########################################################################
    class PanelOne(wx.Panel):
        """"""

        #----------------------------------------------------------------------
        def __init__(self, parent):
            """Constructor"""
            wx.Panel.__init__(self, parent=parent)
            self.txt = wx.TextCtrl(self)
            button =wx.Button(self, label="Save", pos=(200, 0))
            button.Bind(wx.EVT_BUTTON, self.Check)

        def Check(self,event):
            passw=self.txt.GetValue()
            if  passw=="1":
                print "true"
                self.onSwitchPanels(self)


    ########################################################################
    class PanelTwo(wx.Panel):
        """"""

        #----------------------------------------------------------------------
        def __init__(self, parent):
            """Constructor"""
            wx.Panel.__init__(self, parent=parent)

            grid = gridlib.Grid(self)
            grid.CreateGrid(25,12)

            sizer = wx.BoxSizer(wx.VERTICAL)
            sizer.Add(grid, 0, wx.EXPAND)
            self.SetSizer(sizer)
            button =wx.Button(self, label="Save", pos=(0, 500))
            button.Bind(wx.EVT_BUTTON, parent.onSwitchPanels)
    class PanelThree(wx.Panel):
        """"""

        #----------------------------------------------------------------------
        def __init__(self, parent):
            """Constructor"""
            wx.Panel.__init__(self, parent=parent)
            txt = wx.TextCtrl(self)
            button =wx.Button(self, label="Save", pos=(200, 325))
            button.Bind(wx.EVT_BUTTON, parent.onSwitchPanels)

    ########################################################################
    class MyForm(wx.Frame):

        #----------------------------------------------------------------------
        def __init__(self):
            wx.Frame.__init__(self, None, wx.ID_ANY,
                              "Panel Switcher Tutorial",
                              size=(800,600))

            self.panel_one = PanelOne(self)
            self.panel_two = PanelTwo(self)
            self.panel_three = PanelThree(self)
            self.panel_two.Hide()
            self.panel_three.Hide()

            self.sizer = wx.BoxSizer(wx.VERTICAL)
            self.sizer.Add(self.panel_one, 1, wx.EXPAND)
            self.sizer.Add(self.panel_two, 1, wx.EXPAND)
            self.SetSizer(self.sizer)

            menubar = wx.MenuBar()
            fileMenu = wx.Menu()
            switch_panels_menu_item = fileMenu.Append(wx.ID_ANY,
                                                      "Switch Panels",
                                                      "Some text")
            self.Bind(wx.EVT_MENU, self.onSwitchPanels,
                      switch_panels_menu_item)
            menubar.Append(fileMenu, '&File')
            self.SetMenuBar(menubar)

        #----------------------------------------------------------------------
        def onSwitchPanels(self, event):

            if self.panel_one.IsShown():
               self.SetTitle("Panel Two Showing")
               self.panel_one.Hide()
               self.panel_two.Show()
               self.panel_three.Hide()
            elif self.panel_two.IsShown() or self.panel_three.IsShown():

               self.SetTitle("Panel One Showing")
               self.panel_one.Show()
               self.panel_two.Hide()
               self.panel_three.Hide()
            else:
                 self.SetTitle("Panel Three Showing")
                 self.panel_one.Hide()
                 self.panel_two.Hide()
                 self.panel_three.Show()


            self.Layout()

    # Run the program
    if __name__ == "__main__":
        app = wx.App(False)
        frame = MyForm()
        frame.Show()
        app.MainLoop()

Answer 1

我找到答案的人这是下面的代码：

import wx
import wx.grid as gridlib

########################################################################
class PanelOne(wx.Panel):
    """"""

    #----------------------------------------------------------------------
    def __init__(self, parent):
        """Constructor"""
        wx.Panel.__init__(self, parent=parent)
        self.s=parent
        self.txt = wx.TextCtrl(self)
        button =wx.Button(self, label="Save", pos=(200, 0))
        button.Bind(wx.EVT_BUTTON, self.Check)

    def Check(self,event):
        passw=self.txt.GetValue()
        if  passw=="1":
            print "true"
            self.s.onSwitchPanels(self)


########################################################################
class PanelTwo(wx.Panel):
    """"""

    #----------------------------------------------------------------------
    def __init__(self, parent):
        """Constructor"""
        wx.Panel.__init__(self, parent=parent)

        grid = gridlib.Grid(self)
        grid.CreateGrid(25,12)

        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(grid, 0, wx.EXPAND)
        self.SetSizer(sizer)
        button =wx.Button(self, label="Save", pos=(0, 500))
        button.Bind(wx.EVT_BUTTON, parent.onSwitchPanels)
class PanelThree(wx.Panel):
    """"""

    #----------------------------------------------------------------------
    def __init__(self, parent):
        """Constructor"""
        wx.Panel.__init__(self, parent=parent)
        txt = wx.TextCtrl(self)
        button =wx.Button(self, label="Save", pos=(200, 325))
        button.Bind(wx.EVT_BUTTON, parent.onSwitchPanels)

########################################################################
class MyForm(wx.Frame):

    #----------------------------------------------------------------------
    def __init__(self):
        wx.Frame.__init__(self, None, wx.ID_ANY,
                          "Panel Switcher Tutorial",
                          size=(800,600))

        self.panel_one = PanelOne(self)
        self.panel_two = PanelTwo(self)
        self.panel_three = PanelThree(self)
        self.panel_two.Hide()
        self.panel_three.Hide()

        self.sizer = wx.BoxSizer(wx.VERTICAL)
        self.sizer.Add(self.panel_one, 1, wx.EXPAND)
        self.sizer.Add(self.panel_two, 1, wx.EXPAND)
        self.SetSizer(self.sizer)

        menubar = wx.MenuBar()
        fileMenu = wx.Menu()
        switch_panels_menu_item = fileMenu.Append(wx.ID_ANY,
                                                  "Switch Panels",
                                                  "Some text")
        self.Bind(wx.EVT_MENU, self.onSwitchPanels,
                  switch_panels_menu_item)
        menubar.Append(fileMenu, '&File')
        self.SetMenuBar(menubar)

    #----------------------------------------------------------------------
    def onSwitchPanels(self, event):

        if self.panel_one.IsShown():
           self.SetTitle("Panel Two Showing")
           self.panel_one.Hide()
           self.panel_two.Show()
           self.panel_three.Hide()
        elif self.panel_two.IsShown() or self.panel_three.IsShown():

           self.SetTitle("Panel One Showing")
           self.panel_one.Show()
           self.panel_two.Hide()
           self.panel_three.Hide()
        else:
             self.SetTitle("Panel Three Showing")
             self.panel_one.Hide()
             self.panel_two.Hide()
             self.panel_three.Show()


        self.Layout()

# Run the program
if __name__ == "__main__":
    app = wx.App(False)
    frame = MyForm()
    frame.Show()
    app.MainLoop()