import wxfrom common import *class InvalidArrayIndexChosen(Exception):    passclass ConfigurationItem(object):    def __init__(self, xml_item):        self._xml_item = xml_item    def title(self):        raise NotImplemented()class OptionPanel(object):    def __init__(self, splitter, mainframe):        self.panel = wx.Panel(splitter, -1)class OptionArrayPanel(OptionPanel):    CLASS_DESC = None    LONG_DESC = ''    SHORT_TREE_DESC = None        def __init__(self, splitter, mainframe, config_item_list=None):        super(OptionArrayPanel, self).__init__(splitter, mainframe)        self.mainframe = mainframe                label = wx.StaticText(self.panel, -1, self.CLASS_DESC, style=wx.ALIGN_CENTRE)        desc = wx.StaticText(self.panel, -1, self.LONG_DESC)        listctl = wx.ListCtrl(self.panel, -1, style=wx.LC_LIST)        listctl.InsertColumn(0, 'Title')        add = wx.Button(self.panel, -1, 'Add')        edit = wx.Button(self.panel, -1, 'Edit')        remove = wx.Button(self.panel, -1, 'Remove')        wx.EVT_BUTTON(add, -1, self.add)        wx.EVT_BUTTON(edit, -1, self.edit)        wx.EVT_BUTTON(remove, -1, self.remove)                button_sizer = wx.BoxSizer(wx.HORIZONTAL)        button_sizer.Add(add, 0, wx.ALL, 4)        button_sizer.Add(edit, 0, wx.ALL, 4)        button_sizer.Add(remove, 0, wx.ALL, 4)        panel_sizer = wx.BoxSizer(wx.VERTICAL)        panel_sizer.Add(label, 0, wx.EXPAND | wx.ALL, 2)        panel_sizer.Add(desc, 0, wx.EXPAND | wx.ALL, 2)        panel_sizer.Add(listctl, 1, wx.EXPAND | wx.ALL, 4)        panel_sizer.Add(button_sizer, 0, wx.ALIGN_CENTRE)        for index, item in enumerate(self.get_item_list().list):            index = listctl.InsertStringItem(index, item.title(long=True))                self.panel.SetSizer(panel_sizer)        self.config_item_list = config_item_list        self.listctl = listctl    def add(self, event):        xml = self.add_wizard(self.mainframe)        if xml:            self.config_item_list.populate_index(xml)            self.config_item_list.add_item(xml)    def remove(self, event):        for index in xrange(self.listctl.GetItemCount()):            if self.listctl.GetItemState(index, wx.LIST_STATE_SELECTED):                self.get_item_list().del_item(index)                self.listctl.DeleteItem(index)                return    def edit(self, event):        for index in xrange(self.listctl.GetItemCount()):            if self.listctl.GetItemState(index, wx.LIST_STATE_SELECTED):                self.get_item_list().select_item_by_index(index)                return    class ItemPanel(OptionPanel):        def __init__(self, item, title_changed, check_index, splitter, mainframe):            super(OptionArrayPanel.ItemPanel, self).__init__(splitter, mainframe)            label = wx.StaticText(self.panel, -1, item.title(), style=wx.ALIGN_CENTRE)            panelSizer = wx.BoxSizer(wx.VERTICAL)            panelSizer.Add(label, 0, wx.EXPAND | wx.ALL, 2)            self.item = item            self.populate(panelSizer)            button = wx.Button(self.panel, 0,"Apply")            panelSizer.Add(wx.Panel(self.panel, 0), 1,                           wx.ALL | wx.ALIGN_RIGHT, 3)            wx.EVT_BUTTON(button, 0, self.apply)            panelSizer.Add(button, 0, wx.ALL | wx.ALIGN_RIGHT | wx.EXPAND, 10)            button.Disable();            self.apply_button = button;            self.panel.SetSizer(panelSizer)            self.title_changed = title_changed            self.check_index = check_index                    def populate(self, panel_sizer):            pass        def apply(self, event=None):            self.apply_button.Disable()            self.title_changed(self.item.title())        def changed(self, event=None):            self.apply_button.Enable(True)__all__ = ['OptionArrayPanel', 'OptionPanel', 'ConfigurationItem',           'InvalidArrayIndexChosen']