utils/wxPython/demo/wxTreeCtrl.py

   1
   2 from wxPython.wx import *
   3
   4 #---------------------------------------------------------------------------
   5
   6 class TestTreeCtrlPanel(wxPanel):
   7     def __init__(self, parent, log):
   8         wxPanel.__init__(self, parent, -1)
   9
  10         self.log = log
  11         tID = NewId()
  12
  13         self.tree = wxTreeCtrl(self, tID)
  14         root = self.tree.AddRoot("The Root Item")
  15         for x in range(15):
  16             child = self.tree.AppendItem(root, "Item %d" % x)
  17             for y in range(5):
  18                 last = self.tree.AppendItem(child, "item %d-%s" % (x, chr(ord("a")+y)))
  19                 for z in range(5):
  20                     self.tree.AppendItem(last,  "item %d-%s-%d" % (x, chr(ord("a")+y), z))
  21
  22         self.tree.Expand(root)
  23         EVT_TREE_ITEM_EXPANDED  (self, tID, self.OnItemExpanded)
  24         EVT_TREE_ITEM_COLLAPSED (self, tID, self.OnItemCollapsed)
  25         EVT_TREE_SEL_CHANGED    (self, tID, self.OnSelChanged)
  26
  27
  28     def OnSize(self, event):
  29         w,h = self.GetClientSizeTuple()
  30         self.tree.SetDimensions(0, 0, w, h)
  31
  32
  33     def OnItemExpanded(self, event):
  34         item = event.GetItem()
  35         self.log.WriteText("OnItemExpanded: %s\n" % self.tree.GetItemText(item))
  36
  37     def OnItemCollapsed(self, event):
  38         item = event.GetItem()
  39         self.log.WriteText("OnItemCollapsed: %s\n" % self.tree.GetItemText(item))
  40
  41     def OnSelChanged(self, event):
  42         item = event.GetItem()
  43         self.log.WriteText("OnSelChanged: %s\n" % self.tree.GetItemText(item))
  44
  45 #---------------------------------------------------------------------------
  46
  47 def runTest(frame, nb, log):
  48     win = TestTreeCtrlPanel(nb, log)
  49     return win
  50
  51 #---------------------------------------------------------------------------
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  70 overview = """\
  71 A tree control presents information as a hierarchy, with items that may be expanded to show further items. Items in a tree control are referenced by wxTreeItemId handles.
  72
  73 wxTreeCtrl()
  74 -------------------------
  75
  76 Default constructor.
  77
  78 wxTreeCtrl(wxWindow* parent, wxWindowID id, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxTR_HAS_BUTTONS, const wxValidator& validator = wxDefaultValidator, const wxString& name = "listCtrl")
  79
  80 Constructor, creating and showing a tree control.
  81
  82 Parameters
  83 -------------------
  84
  85 parent = Parent window. Must not be NULL.
  86
  87 id = Window identifier. A value of -1 indicates a default value.
  88
  89 pos = Window position.
  90
  91 size = Window size. If the default size (-1, -1) is specified then the window is sized appropriately.
  92
  93 style = Window style. See wxTreeCtrl.
  94
  95 validator = Window validator.
  96
  97 name = Window name.
  98 """