utils/wxPython/demo/wxTreeCtrl.py

   1
   2 from wxPython.wx import *
   3
   4 import string
   5
   6 #---------------------------------------------------------------------------
   7
   8 class TestTreeCtrlPanel(wxPanel):
   9     def __init__(self, parent, log):
  10         wxPanel.__init__(self, parent, -1)
  11
  12         self.log = log
  13         tID = NewId()
  14
  15         self.tree = wxTreeCtrl(self, tID, wxDefaultPosition, wxDefaultSize,
  16                                wxTR_HAS_BUTTONS | wxTR_EDIT_LABELS)# | wxTR_MULTIPLE)
  17
  18         #il = wxImageList(16, 16)
  19         #idx1 = il.Add(wxBitmap('bitmaps/smiles.bmp', wxBITMAP_TYPE_BMP))
  20         #idx2 = il.Add(wxBitmap('bitmaps/open.bmp', wxBITMAP_TYPE_BMP))
  21         #idx3 = il.Add(wxBitmap('bitmaps/new.bmp', wxBITMAP_TYPE_BMP))
  22         #idx4 = il.Add(wxBitmap('bitmaps/copy.bmp', wxBITMAP_TYPE_BMP))
  23         #idx5 = il.Add(wxBitmap('bitmaps/paste.bmp', wxBITMAP_TYPE_BMP))
  24
  25         #self.tree.SetImageList(il)
  26         #self.il = il
  27
  28         self.root = self.tree.AddRoot("The Root Item")
  29         #self.tree.SetItemImage(self.root, idx1)
  30
  31         for x in range(15):
  32             child = self.tree.AppendItem(self.root, "Item %d" % x)
  33             #self.tree.SetItemImage(child, idx2)
  34             #self.tree.SetItemSelectedImage(child, idx3)
  35             for y in range(5):
  36                 last = self.tree.AppendItem(child, "item %d-%s" % (x, chr(ord("a")+y)))
  37                 #self.tree.SetItemImage(last, idx4)
  38                 #self.tree.SetItemSelectedImage(last, idx5)
  39                 for z in range(5):
  40                     self.tree.AppendItem(last,  "item %d-%s-%d" % (x, chr(ord("a")+y), z))
  41
  42         self.tree.Expand(self.root)
  43         EVT_TREE_ITEM_EXPANDED  (self, tID, self.OnItemExpanded)
  44         EVT_TREE_ITEM_COLLAPSED (self, tID, self.OnItemCollapsed)
  45         EVT_TREE_SEL_CHANGED    (self, tID, self.OnSelChanged)
  46         EVT_TREE_BEGIN_LABEL_EDIT(self, tID, self.OnBeginEdit)
  47         EVT_TREE_END_LABEL_EDIT (self, tID, self.OnEndEdit)
  48
  49         EVT_LEFT_DCLICK(self.tree, self.OnLeftDClick)
  50         EVT_RIGHT_DOWN(self.tree, self.OnRightClick)
  51         EVT_RIGHT_UP(self.tree, self.OnRightUp)
  52
  53     def OnRightClick(self, event):
  54         pt = event.GetPosition();
  55         item = self.tree.HitTest(pt)
  56         self.log.WriteText("OnRightClick: %s\n" % self.tree.GetItemText(item))
  57         self.tree.SelectItem(item)
  58
  59     def OnRightUp(self, event):
  60         pt = event.GetPosition();
  61         item = self.tree.HitTest(pt)
  62         self.log.WriteText("OnRightUp: %s (manually starting label edit)\n"
  63                            % self.tree.GetItemText(item))
  64         self.tree.EditLabel(item)
  65
  66
  67
  68     def OnBeginEdit(self, event):
  69         self.log.WriteText("OnBeginEdit\n")
  70         # show how to prevent edit...
  71         if self.tree.GetItemText(event.GetItem()) == "The Root Item":
  72             wxBell()
  73             self.log.WriteText("You can't edit this one...\n")
  74             event.Veto()
  75
  76     def OnEndEdit(self, event):
  77         self.log.WriteText("OnEndEdit\n")
  78         # show how to reject edit, we'll not allow any digits
  79         for x in event.GetLabel():
  80             if x in string.digits:
  81                 self.log.WriteText("You can't enter digits...\n")
  82                 event.Veto()
  83                 return
  84
  85
  86
  87     def OnLeftDClick(self, event):
  88         pt = event.GetPosition();
  89         item = self.tree.HitTest(pt)
  90         self.log.WriteText("OnLeftDClick: %s\n" % self.tree.GetItemText(item))
  91
  92
  93     def OnSize(self, event):
  94         w,h = self.GetClientSizeTuple()
  95         self.tree.SetDimensions(0, 0, w, h)
  96
  97
  98     def OnItemExpanded(self, event):
  99         item = event.GetItem()
 100         self.log.WriteText("OnItemExpanded: %s\n" % self.tree.GetItemText(item))
 101
 102     def OnItemCollapsed(self, event):
 103         item = event.GetItem()
 104         self.log.WriteText("OnItemCollapsed: %s\n" % self.tree.GetItemText(item))
 105
 106     def OnSelChanged(self, event):
 107         self.item = event.GetItem()
 108         self.log.WriteText("OnSelChanged: %s\n" % self.tree.GetItemText(self.item))
 109
 110 #---------------------------------------------------------------------------
 111
 112 def runTest(frame, nb, log):
 113     win = TestTreeCtrlPanel(nb, log)
 114     return win
 115
 116 #---------------------------------------------------------------------------
 117
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 135 overview = """\
 136 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.
 137
 138 wxTreeCtrl()
 139 -------------------------
 140
 141 Default constructor.
 142
 143 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")
 144
 145 Constructor, creating and showing a tree control.
 146
 147 Parameters
 148 -------------------
 149
 150 parent = Parent window. Must not be NULL.
 151
 152 id = Window identifier. A value of -1 indicates a default value.
 153
 154 pos = Window position.
 155
 156 size = Window size. If the default size (-1, -1) is specified then the window is sized appropriately.
 157
 158 style = Window style. See wxTreeCtrl.
 159
 160 validator = Window validator.
 161
 162 name = Window name.
 163 """