wxpython 按钮跳notebook_按钮按下wxpython刷新窗口

我一直在用我的Python程序遇到一些麻烦。基本上，它是一个非常非常简单的文件管理器。

我一直试图让它在文件夹之间移动(用户单击一个文件夹，程序刷新显示并显示文件夹的内容)。

我遇到的问题是，我似乎无法让按钮刷新显示，然后在单击时用新文件夹和文件填充它。

这是我使用的代码，它在Linux上。

import wx

import fileBrowser

class interface(wx.Frame):

def __init__(self, parent, id):

'''(object, int) --> None

Set up wx python in a frame and displays it and contents defined in this function on the screen.'''

wx.Frame.__init__(self, parent, id, "Bronto", size = (800, 600))

panel = wx.Panel(self)

self.createPanels()

contents = fileBrowser.print_items("/")

wx.StaticText(panel, -1, "/", (50, 10))

col = 50

row = 50

for items in contents:

name = items

col, row = self.makeIcons(panel, (800, 600), name, col, row)

def makeIcons(self, panel, param, name, col, row):

'''(object, object) --> None

Place a button on the window that uses an image as its icon.'''

pic = wx.Image("folder.png", wx.BITMAP_TYPE_PNG).ConvertToBitmap()

self.button = wx.BitmapButton(panel, -1, pic, pos = (col, row))

wx.StaticText(panel, -1, name, (col + 10, row + 40))

self.Bind(wx.EVT_BUTTON, self.displayContents, self.button)

self.button.SetDefault()

if(col < 600):

return col + 90, row

else:

col = 50

return col, row + 80

def createPanels(self):

'''(object) --> None

Create and place both menu and status bars on the window.'''

status = self.CreateStatusBar()

menubar = wx.MenuBar()

File = wx.Menu()

Edit = wx.Menu()

menubar.Append(File,"File")

menubar.Append(Edit, "Edit")

new = wx.MenuItem(File, 101, '&New\tCtrl+N', 'Creates a new document')

File.AppendItem(new)

self.Bind(wx.EVT_MENU, self.NewApplication, id=101)

self.SetMenuBar(menubar)

def NewApplication(self, event):

app = wx.PySimpleApp()

frame = interface(parent = None, id =1)

frame.Show()

app.MainLoop()

def displayContents(self, event):

'''(event) --> None

Display the contents of the folder clicked on'''

#self.panel.Destroy();

#self.panel = wx.Panel(self)

self.Refresh(True)

contents = fileBrowser.print_items("/home")

col = 50

row = 50

for items in contents:

name = items

wx.Yield()

col, row = self.makeIcons(panel, (800, 600), name, col, row)

if __name__ == "__main__":

app = wx.PySimpleApp()

frame = interface(parent = None, id =1)

frame.Show()

app.MainLoop()这里是fileBrower程序(目前我只查看文件夹，但稍后会更改)

import os

import os.path

def print_items(d):

'''(str) -> NoneType

Print the list of files and directories in directory d, recursively,

prefixing each with indentation.'''

icons = []

#print out the names of files and subdirectories

for filename in os.listdir(d):

subitem = os.path.join(d, filename)

if os.path.isdir(subitem):

print filename

icons.append(filename)

return icons@pthonm：我添加了你建议的代码，但它似乎没有用新的东西更新它(它确实清除了窗口)

编辑：好吧，我几乎有它的工作。我可以通过使用self.Refresh(True)来显示内容，但只有在不使用self.panel.Destroy()方法时才能使用。所以，关于如何摆脱按钮和文本的任何建议(请参阅我添加的displayContents方法)？

编辑2：我得到它的工作。我所做的是，我将其添加到我的displayContents方法。这可能不是这样做的最好方法。

def displayContents(self, event):

'''(event) --> None

Display the contents of the folder clicked on'''

self.panel.Destroy();

self.panel = wx.Panel(self)

self.createPanels()

self.Update()

wx.StaticText(self.panel, -1, location, (50, 10))

contents = fileBrowser.print_items("/home/gum/Documents")

col = 50

row = 50

for directory,name in contents.iteritems():

col, row = self.makeIcons(self.panel, (800, 600), name, col, row)

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