亲爱的wxPython专家，
我是wxPython的新手...
我尝试根据wx.ListCtrl条目更改面板内容。它不能完美地工作：在更改时，面板内容与之前的内容重叠，我想在插入新内容之前清除面板。
谁能帮助我理解我的错误？
非常感谢，
雷米
以下是代码：
#!/usr/bin/python
# -*- coding: utf-8 -*-
import wx
class MainProcesses(wx.Panel):
def __init__(self, parent):
wx.Panel.__init__(self, parent, size=(500, 300) )
self.parent = parent
mainSZ = wx.BoxSizer(wx.VERTICAL)
self.SetSizer(mainSZ)
self.Layout()
mainSZ.Clear(True)
A_h = wx.StaticBox(self, -1, "Heading:")
A_t = wx.TextCtrl(self, -1, "")
A_sb = wx.StaticBox(self, -1, "Simulate")
A_cb1 = wx.CheckBox(self, -1, "Water" )
A_cb11 = wx.CheckBox(self, -1, "Vapor")
A_cb12 = wx.CheckBox(self, -1, "Snow")
A_cb2 = wx.CheckBox(self, -1, "Transport")
A_rb21 = wx.RadioButton(self, -1, "Standard")
A_rb22 = wx.RadioButton(self, -1, "Major")
A_rb23 = wx.RadioButton(self, -1, "Evaluated")
A_cb3 = wx.CheckBox(self, -1, "Heat transport")
A_cb4 = wx.CheckBox(self, -1, "water uptake")
A_cb5 = wx.CheckBox(self, -1, "Growth")
A_cb6 = wx.CheckBox(self, -1, "CO2 transport")
bs_t = wx.StaticBoxSizer(A_h, wx.VERTICAL)
bs_t.Add(A_t, 0, wx.ALL|wx.EXPAND)
sbSZ = wx.StaticBoxSizer(A_sb, wx.VERTICAL|wx.ALIGN_LEFT)
sbSZ.Add(A_cb1, 0, wx.LEFT|wx.RIGHT|wx.TOP, 3)
sbSZ.Add(A_cb11, 0, wx.LEFT, 20)
sbSZ.Add(A_cb12, 0, wx.LEFT, 20)
sbSZ.Add(A_cb2, 0, wx.LEFT|wx.RIGHT|wx.TOP, 3)
sbSZ.Add(A_rb21, 0, wx.LEFT, 20)
sbSZ.Add(A_rb22, 0, wx.LEFT, 20)
sbSZ.Add(A_rb23, 0, wx.LEFT, 20)
sbSZ.Add(A_cb3, 0, wx.LEFT|wx.RIGHT|wx.TOP, 3)
sbSZ.Add(A_cb4, 0, wx.LEFT|wx.RIGHT|wx.TOP, 3)
sbSZ.Add(A_cb5, 0, wx.LEFT|wx.RIGHT|wx.TOP, 3)
sbSZ.Add(A_cb6, 0, wx.LEFT|wx.RIGHT|wx.TOP, 3)
mainSZ.Add(bs_t, wx.CENTER|wx.EXPAND, 3)
mainSZ.Add(sbSZ, 0, wx.LEFT|wx.RIGHT|wx.TOP, 3)
self.Layout()
class GeometryInfo(wx.Panel):
def __init__(self, parent):
wx.Panel.__init__(self, parent, size=(500, 300) )
self.parent = parent
#print self.parent.GetSize()
mainSZ = wx.BoxSizer(wx.VERTICAL)
self.SetSizer(mainSZ)
self.Layout()
mainSZ.Clear(True)
B_sb1 = wx.StaticBox(self, -1, "Length units", size=(100,-1))
B_rb21 = wx.RadioButton(self, 0, "mm")
B_rb22 = wx.RadioButton(self, 0, "cm")
B_rb23 = wx.RadioButton(self, 0, "m")
B_sb2 = wx.StaticBox(self, -1, "")
B_NbSoilMat = wx.TextCtrl(self, -1, "1")
B_NbLayers = wx.TextCtrl(self, -1, "1")
B_h1 = wx.StaticText(self, -1, "Nomber of materials")
B_h2 = wx.StaticText(self, -1, "Number of layers ")
sbSZ1 = wx.StaticBoxSizer(B_sb1, wx.VERTICAL)
sbSZ1.Add(B_rb21, 0, wx.ALL|wx.EXPAND, 5)
sbSZ1.Add(B_rb22, 0, wx.ALL|wx.EXPAND, 5)
sbSZ1.Add(B_rb23, 0, wx.ALL|wx.EXPAND, 5)
sbSZ2 = wx.StaticBoxSizer(B_sb2, wx.VERTICAL|wx.ALIGN_LEFT)
sbSZ21 = wx.BoxSizer( wx.HORIZONTAL )
sbSZ21.Add(B_NbSoilMat, 0, wx.ALIGN_LEFT, 5)
sbSZ21.Add(B_h1, 0, wx.ALL, 5)
sbSZ22 = wx.BoxSizer( wx.HORIZONTAL )
sbSZ22.Add(B_NbLayers, 0, wx.ALIGN_LEFT, 5)
sbSZ22.Add(B_h2, 0, wx.ALL, 5)
sbSZ2.Add(sbSZ21, 0, wx.ALL, 5)
sbSZ2.Add(sbSZ22, 0, wx.ALL, 5)
mainSZ.Add(sbSZ1, 0, wx.ALL, 15)
mainSZ.Add(sbSZ2, 0, wx.ALL, 15)
self.Layout()
# #####################################################################################################################
Configs = ['Main processes', 'Geometry']
class ListCtrlLeft(wx.ListCtrl):
def __init__(self, parent, id):
wx.ListCtrl.__init__(self, parent, id, style=wx.LC_REPORT | wx.LC_HRULES | wx.LC_NO_HEADER | wx.LC_SINGLE_SEL)
image = 'images/java.png'
self.parent = parent
self.Bind(wx.EVT_SIZE, self.OnSize)
self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnSelect)
self.il = wx.ImageList(32,32)
self.il.Add(wx.Bitmap(image))
self.SetImageList(self.il, wx.IMAGE_LIST_SMALL)
self.InsertColumn(0, '')
L = len (Configs)
for i in range ( L ):
self.InsertStringItem(0, Configs[L-i-1])
self.SetItemImage(0, 0)
def OnSize(self, event):
size = self.parent.GetSize()
self.SetColumnWidth(0, size.x-5)
event.Skip()
def OnSelect(self, event):
window = self.parent.GetGrandParent().FindWindowByName('PanelControlOnRight')
index = event.GetIndex()
window.LoadData(index)
def OnFocus(self, event):
self.SetItemBackgroundColour(0, 'red')
class PanelMainProcess(wx.Panel):
def __init__(self, parent):
wx.Panel.__init__(self, parent)
self.parent = parent
self.Bind(wx.EVT_SIZE, self.OnSize)
def OnSize(self, event):
event.Skip()
def LoadData(self, index):
mainSZ = wx.BoxSizer(wx.VERTICAL)
mainSZ.Layout()
if index == 0:
self.p = MainProcesses(self.parent)
mainSZ.Add( self.p )
elif index==1:
self.geoinfo = GeometryInfo(self.parent)
mainSZ.Add( self.geoinfo )
else:
print "Index not found"
self.SetSizer(mainSZ)
mainSZ.Fit(self)
mainSZ.Layout()
class MyFrame(wx.Dialog):
def __init__(self, parent, id, title):
wx.Dialog.__init__(self, parent, id, title)
self.mainbox = wx.BoxSizer(wx.VERTICAL)
hbox = wx.BoxSizer(wx.HORIZONTAL)
splitter = wx.SplitterWindow(self, -1, style=wx.SP_LIVE_UPDATE|wx.SP_NOBORDER)
vbox1 = wx.BoxSizer(wx.VERTICAL)
panel1 = wx.Panel(splitter, -1 )
panel12 = wx.Panel(panel1, -1, style=wx.BORDER_SUNKEN)
vbox = wx.BoxSizer(wx.VERTICAL)
list1 = ListCtrlLeft(panel12, -1)
vbox.Add(list1, 2, wx.EXPAND)
panel12.SetSizer(vbox)
#panel12.SetBackgroundColour('WHITE')
vbox1.Add(panel12, 1, wx.EXPAND)
panel1.SetSizer(vbox1)
vbox2 = wx.BoxSizer(wx.VERTICAL)
panel2 = wx.Panel(splitter, -1)
panel22 = wx.Panel(panel2, -1, style=wx.BORDER_SUNKEN)
vbox3 = wx.BoxSizer(wx.VERTICAL)
self.Main = PanelMainProcess(panel22)
self.Main.SetName('PanelControlOnRight')
vbox3.Add(self.Main, 1, wx.EXPAND)
panel22.SetSizer(vbox3)
panel22.SetBackgroundColour('WHITE')
vbox2.Add(panel22, 1, wx.EXPAND)
panel2.SetSizer(vbox2)
panel2.SetAutoLayout(True)
vbox2.Fit(self)
splitter.SplitVertically(panel1, panel2)
hbox.Add(splitter, 1, wx.EXPAND | wx.TOP | wx.BOTTOM, 5)
hhbox = wx.BoxSizer(wx.HORIZONTAL)
bOk = wx.Button(self, wx.ID_OK, "Ok")
hhbox.AddStretchSpacer(100)
hhbox.Add(bOk, 0, wx.RIGHT,5)
self.mainbox.Add(hbox, 1, wx.EXPAND, 10)
self.mainbox.Add(hhbox, 0, wx.EXPAND|wx.ALL|wx.ALIGN_RIGHT, 10)
self.SetSizer(self.mainbox)
self.SetSize( (1200,500) )
bOk.Bind(wx.EVT_BUTTON, self.OnOk)
def OnOk(self, event):
self.Destroy()
class MyApp(wx.App):
def OnInit(self):
f = MyFrame(None, -1, "Title")
f.Show(True)
self.SetTopWindow(f)
return True
app = MyApp()
app.MainLoop()