wxPython listctrl：允许仅对某些列进行排序

我使用wx.ListCtrl显示了一个表。除了存储行索引的第一列（例如0,1,2,3，...）之外，我希望在单击列标题时可以对所有列进行排序。这意味着，如果用户单击第一列的标题，则不应对该表进行排序。但ColumnSorterMixin似乎只允许我指定可排序列的数量。由于行ID列是第一列，因此不允许我从其中一个可排序列中排除行ID列。任何建议将不胜感激！wxPython listctrl：允许仅对某些列进行排序

import wx 
import wx.lib.mixins.listctrl as listmix 

musicdata = { 
0 : ("Bad English", "The Price Of Love", "Rock"), 
1 : ("DNA featuring Suzanne Vega", "Tom's Diner", "Rock"), 
2 : ("George Michael", "Praying For Time", "Rock"), 
3 : ("Gloria Estefan", "Here We Are", "Rock"), 
4 : ("Linda Ronstadt", "Don't Know Much", "Rock"), 
5 : ("Michael Bolton", "How Am I Supposed To Live Without You", "Blues"), 
6 : ("Paul Young", "Oh Girl", "Rock"), 
} 

######################################################################## 
class TestListCtrl(wx.ListCtrl): 

    #---------------------------------------------------------------------- 
    def __init__(self, parent, ID=wx.ID_ANY, pos=wx.DefaultPosition, 
       size=wx.DefaultSize, style=0): 
     wx.ListCtrl.__init__(self, parent, ID, pos, size, style) 

######################################################################## 
class TestListCtrlPanel(wx.Panel, listmix.ColumnSorterMixin): 

    #---------------------------------------------------------------------- 
    def __init__(self, parent): 
     wx.Panel.__init__(self, parent, -1, style=wx.WANTS_CHARS) 

     self.index = 0 

     self.list_ctrl = TestListCtrl(self, size=(-1,100), 
         style=wx.LC_REPORT 
         |wx.BORDER_SUNKEN 
         |wx.LC_SORT_ASCENDING 
         ) 
     self.list_ctrl.InsertColumn(0, "RowID") 
     self.list_ctrl.InsertColumn(1, "Artist") 
     self.list_ctrl.InsertColumn(2, "Title", wx.LIST_FORMAT_RIGHT) 
     self.list_ctrl.InsertColumn(3, "Genre") 

     items = musicdata.items() 
     self.itemDataMap = dict() 
     index = 0 
     for key, data in items: 
      self.list_ctrl.InsertStringItem(index, str(index+1)) 
      self.list_ctrl.SetStringItem(index, 1, data[0]) 
      self.list_ctrl.SetStringItem(index, 2, data[1]) 
      self.list_ctrl.SetStringItem(index, 3, data[2]) 
      self.list_ctrl.SetItemData(index, key) 
      self.itemDataMap[index] = (str(index), data[0], data[1], data[2]) 
      index += 1 

     # Now that the list exists we can init the other base class, 
     # see wx/lib/mixins/listctrl.py 
     #self.itemDataMap = musicdata 
     listmix.ColumnSorterMixin.__init__(self, 4) 
     self.Bind(wx.EVT_LIST_COL_CLICK, self.OnColClick, self.list_ctrl) 

     sizer = wx.BoxSizer(wx.VERTICAL) 
     sizer.Add(self.list_ctrl, 0, wx.ALL|wx.EXPAND, 5) 
     self.SetSizer(sizer) 

    #---------------------------------------------------------------------- 
    # Used by the ColumnSorterMixin, see wx/lib/mixins/listctrl.py 
    def GetListCtrl(self): 
     return self.list_ctrl 

    #---------------------------------------------------------------------- 
    def OnColClick(self, event): 
     print "column clicked" 
     event.Skip() 

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

    #---------------------------------------------------------------------- 
    def __init__(self): 
     wx.Frame.__init__(self, None, wx.ID_ANY, "List Control Tutorial") 

     # Add a panel so it looks the correct on all platforms 
     panel = TestListCtrlPanel(self) 

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

来源

2016-09-05 Alex

你有没有考虑让'RowId'最后一列？ –

我不知道是否有更漂亮的方式来处理这个问题。不管怎样，下面是我的做法：

class MyColumnSorterMixin(listmix.ColumnSorterMixin): 

    def GetColumnSorter(self): 
     if self._col <> 0: 
      return listmix.ColumnSorterMixin.GetColumnSorter(self)

记住要使用新的类，即MyColumnSorterMixin在MyColumnSorterMixin.__init__(self, 4)

来源

2016-09-06 07:42:31

wxPython listctrl：允许仅对某些列进行排序

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