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         EVT_LEFT_DCLICK(self.tree, self.OnLeftDClick)
  28         EVT_RIGHT_DOWN(self.tree, self.OnRightClick)
  29         EVT_RIGHT_UP(self.tree, self.OnRightUp)
  30
  31     def OnRightClick(self, event):
  32         (x,y) = event.Position();
  33         item = self.tree.HitTest(wxPoint(x,y))
  34         self.log.WriteText("OnRightClick: %s\n" % self.tree.GetItemText(item))
  35         self.tree.SelectItem(item)
  36
  37     def OnRightUp(self, event):
  38         (x,y) = event.Position();
  39         item = self.tree.HitTest(wxPoint(x,y))
  40         self.log.WriteText("OnRightUp: %s\n" % self.tree.GetItemText(item))
  41
  42     def OnLeftDClick(self, event):
  43         (x,y) = event.Position();
  44         item = self.tree.HitTest(wxPoint(x,y))
  45         self.log.WriteText("OnLeftDClick: %s\n" % self.tree.GetItemText(item))
  46
  47
  48     def OnSize(self, event):
  49         w,h = self.GetClientSizeTuple()
  50         self.tree.SetDimensions(0, 0, w, h)
  51
  52
  53     def OnItemExpanded(self, event):
  54         item = event.GetItem()
  55         self.log.WriteText("OnItemExpanded: %s\n" % self.tree.GetItemText(item))
  56
  57     def OnItemCollapsed(self, event):
  58         item = event.GetItem()
  59         self.log.WriteText("OnItemCollapsed: %s\n" % self.tree.GetItemText(item))
  60
  61     def OnSelChanged(self, event):
  62         item = event.GetItem()
  63         self.log.WriteText("OnSelChanged: %s\n" % self.tree.GetItemText(item))
  64
  65 #---------------------------------------------------------------------------
  66
  67 def runTest(frame, nb, log):
  68     win = TestTreeCtrlPanel(nb, log)
  69     return win
  70
  71 #---------------------------------------------------------------------------
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  90 overview = """\
  91 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.
  92
  93 wxTreeCtrl()
  94 -------------------------
  95
  96 Default constructor.
  97
  98 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")
  99
 100 Constructor, creating and showing a tree control.
 101
 102 Parameters
 103 -------------------
 104
 105 parent = Parent window. Must not be NULL.
 106
 107 id = Window identifier. A value of -1 indicates a default value.
 108
 109 pos = Window position.
 110
 111 size = Window size. If the default size (-1, -1) is specified then the window is sized appropriately.
 112
 113 style = Window style. See wxTreeCtrl.
 114
 115 validator = Window validator.
 116
 117 name = Window name.
 118 """