在wxPython ListCtrl中搜索项目

import wx

class MyFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, title="ListCtrl搜索示例")
        
        panel = wx.Panel(self)
        vbox = wx.BoxSizer(wx.VERTICAL)
        
        self.search_text = wx.TextCtrl(panel)
        self.list_ctrl = wx.ListCtrl(panel, style=wx.LC_REPORT)
        
        vbox.Add(self.search_text, proportion=0, flag=wx.EXPAND|wx.ALL, border=5)
        vbox.Add(self.list_ctrl, proportion=1, flag=wx.EXPAND|wx.ALL, border=5)
        
        panel.SetSizer(vbox)
        
        self.Bind(wx.EVT_TEXT, self.on_search, self.search_text)
        
        self.populate_list_ctrl()
    
    def populate_list_ctrl(self):
        # 添加列
        self.list_ctrl.InsertColumn(0, "姓名")
        self.list_ctrl.InsertColumn(1, "年龄")
        self.list_ctrl.InsertColumn(2, "性别")
        
        # 添加数据
        self.list_ctrl.InsertItem(0, "张三")
        self.list_ctrl.SetItem(0, 1, "25")
        self.list_ctrl.SetItem(0, 2, "男")
        
        self.list_ctrl.InsertItem(1, "李四")
        self.list_ctrl.SetItem(1, 1, "30")
        self.list_ctrl.SetItem(1, 2, "男")
        
        self.list_ctrl.InsertItem(2, "王五")
        self.list_ctrl.SetItem(2, 1, "28")
        self.list_ctrl.SetItem(2, 2, "女")
    
    def on_search(self, event):
        keyword = self.search_text.GetValue()
        
        for i in range(self.list_ctrl.GetItemCount()):
            match = False
            for j in range(self.list_ctrl.GetColumnCount()):
                value = self.list_ctrl.GetItemText(i, j)
                if keyword.lower() in value.lower():
                    match = True
                    break
            
            if match:
                self.list_ctrl.SetItemTextColour(i, wx.BLACK)
            else:
                self.list_ctrl.SetItemTextColour(i, wx.LIGHT_GREY)
        
        self.list_ctrl.Refresh()
    
app = wx.App()
frame = MyFrame()
frame.Show()
app.MainLoop()