/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/tree.py
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revision 353 by bh, Tue Dec 3 17:35:30 2002 UTC revision 520 by jonathan, Wed Mar 12 10:35:49 2003 UTC
# Line 9  Line 9 
9    
10  __version__ = "$Revision$"  __version__ = "$Revision$"
11    
12  from types import StringType  from types import StringType, UnicodeType
13    
14  from wxPython.wx import *  from wxPython.wx import *
15    
16    from Thuban import _
17    from Thuban.UI.common import *
18    
19    from Thuban.Model.color import Color
20    
21  from Thuban.Model.messages import CHANGED  from Thuban.Model.messages import CHANGED
22  from Thuban.Model.layer import Layer  from Thuban.Model.layer import Layer
23  from Thuban.Model.map import Map  from Thuban.Model.map import Map
24    
25  from dialogs import NonModalDialog  from dialogs import NonModalDialog
26  from messages import SESSION_CHANGED, SELECTED_LAYER  from messages import SESSION_REPLACED, SELECTED_LAYER
27    
28    BMP_SIZE = 15
29    
30  class SessionTreeCtrl(wxTreeCtrl):  class SessionTreeCtrl(wxTreeCtrl):
31    
# Line 44  class SessionTreeCtrl(wxTreeCtrl): Line 50  class SessionTreeCtrl(wxTreeCtrl):
50      """      """
51    
52      def __init__(self, parent, ID, app):      def __init__(self, parent, ID, app):
53    
54          # Use the WANTS_CHARS style so the panel doesn't eat the Return key.          # Use the WANTS_CHARS style so the panel doesn't eat the Return key.
55          wxTreeCtrl.__init__(self, parent, ID)          wxTreeCtrl.__init__(self, parent, ID)
56    
# Line 55  class SessionTreeCtrl(wxTreeCtrl): Line 62  class SessionTreeCtrl(wxTreeCtrl):
62          # Dictionary mapping layer id's to tree items          # Dictionary mapping layer id's to tree items
63          self.layer_to_item = {}          self.layer_to_item = {}
64    
65          self.app.Subscribe(SESSION_CHANGED, self.session_changed)          self.app.Subscribe(SESSION_REPLACED, self.session_changed)
66          self.app.interactor.Subscribe(SELECTED_LAYER, self.layer_selected)          self.app.interactor.Subscribe(SELECTED_LAYER, self.layer_selected)
67    
68          # the session currently displayed in the tree          # the session currently displayed in the tree
69          self.session = None          self.session = None
70    
71    
72          # pretend the session has changed to build the initial tree          # pretend the session has changed to build the initial tree
73          self.session_changed()          self.session_changed()
74    
# Line 70  class SessionTreeCtrl(wxTreeCtrl): Line 78  class SessionTreeCtrl(wxTreeCtrl):
78          if self.session is not None:          if self.session is not None:
79              self.session.Unsubscribe(CHANGED, self.update_tree)              self.session.Unsubscribe(CHANGED, self.update_tree)
80              self.session = None              self.session = None
81          self.app.Unsubscribe(SESSION_CHANGED, self.session_changed)          self.app.Unsubscribe(SESSION_REPLACED, self.session_changed)
82          self.app.interactor.Unsubscribe(SELECTED_LAYER, self.layer_selected)          self.app.interactor.Unsubscribe(SELECTED_LAYER, self.layer_selected)
83    
84      def update_tree(self, *args):      def update_tree(self, *args):
85          """Clear and rebuild the tree"""          """Clear and rebuild the tree"""
86          self.DeleteAllItems()          self.DeleteAllItems()
87          self.layer_to_item.clear()          self.layer_to_item.clear()
88            self.image_list = wxImageList(BMP_SIZE, BMP_SIZE, False, 0)
89            self.AssignImageList(self.image_list)
90            bmp = wxEmptyBitmap(0, 0)
91            self.image_list.AddWithColourMask(bmp, wxColour(0, 0, 0))
92    
93          session = self.app.session          session = self.app.session
94          info = session.TreeInfo()          info = session.TreeInfo()
95          root = self.AddRoot(info[0])          root = self.AddRoot(info[0], 0, -1, None)
96          self.add_items(root, info[1])          self.add_items(root, info[1])
97          self.Expand(root)          self.Expand(root)
98          # select the selected layer          # select the selected layer
# Line 97  class SessionTreeCtrl(wxTreeCtrl): Line 109  class SessionTreeCtrl(wxTreeCtrl):
109                  self.SelectItem(item)                  self.SelectItem(item)
110    
111      def add_items(self, parent, items):      def add_items(self, parent, items):
112    
113            if items is None: return
114    
115          for item in items:          for item in items:
116              if hasattr(item, "TreeInfo"):              if hasattr(item, "TreeInfo"):
117                  # Supports the TreeInfo protocol                  # Supports the TreeInfo protocol
118                  info = item.TreeInfo()                  info = item.TreeInfo()
119                  treeitem = self.AppendItem(parent, info[0])                  #treeitem = self.AppendItem(parent, info[0])
120                    treeitem = self.AppendItem(parent, info[0], 0, -1, None)
121                  self.SetPyData(treeitem, item)                  self.SetPyData(treeitem, item)
122                  self.add_items(treeitem, info[1])                  self.add_items(treeitem, info[1])
123                  self.Expand(treeitem)                  self.Expand(treeitem)
124                  if isinstance(item, Layer):                  if isinstance(item, Layer):
125                      self.layer_to_item[id(item)] = treeitem                      self.layer_to_item[id(item)] = treeitem
126              elif isinstance(item, StringType):              elif isinstance(item, StringType) or \
127                     isinstance(item, UnicodeType):
128                  # it's a string                  # it's a string
129                  # FIXME: What to do about UNICODE                  treeitem = self.AppendItem(parent, item, 0, -1, None)
130                  self.AppendItem(parent, item)                  #self.SetItemImage(treeitem, -1)
131              else:              else:
132                  # assume its a sequence (title, items)                  # assume its a sequence (title, items)
133                  treeitem = self.AppendItem(parent, item[0])                  if isinstance(item[1], Color):
134                  self.add_items(treeitem, item[1])  
135                        treeitem = self.AppendItem(parent, "(%s)" % item[0])
136    
137                        bmp = wxEmptyBitmap(BMP_SIZE, BMP_SIZE)
138                        brush = wxBrush(Color2wxColour(item[1]), wxSOLID)
139                        dc = wxMemoryDC()
140                        dc.SelectObject(bmp)
141                        dc.SetBrush(brush)
142                        dc.Clear()
143                        dc.DrawRoundedRectangle(0, 0,
144                                                bmp.GetWidth(), bmp.GetHeight(),
145                                                4)
146                        dc.SelectObject(wxNullBitmap)
147    
148                        i = self.image_list.Add(bmp)
149                        self.SetItemImage(treeitem, i)
150                    else:
151                        #treeitem = self.AppendItem(parent, item[0])
152                        treeitem = self.AppendItem(parent, item[0], 0, -1, None)
153                        self.add_items(treeitem, item[1])
154                  self.Expand(treeitem)                  self.Expand(treeitem)
155    
156      def session_changed(self, *args):      def session_changed(self, *args):
# Line 177  class SessionTreeView(NonModalDialog): Line 213  class SessionTreeView(NonModalDialog):
213      """Non modal dialog showing the session as a tree"""      """Non modal dialog showing the session as a tree"""
214    
215      def __init__(self, parent, app, name):      def __init__(self, parent, app, name):
216          NonModalDialog.__init__(self, parent, app.interactor, name, "Session")          NonModalDialog.__init__(self, parent, app.interactor, name,
217                                    _("Session"))
218          self.tree = SessionTreeCtrl(self, -1, app)          self.tree = SessionTreeCtrl(self, -1, app)
219    
220      def OnClose(self, event):      def OnClose(self, event):
         #self.interactor.Unsubscribe(SELECTED_SHAPE, self.select_shape)  
221          NonModalDialog.OnClose(self, event)          NonModalDialog.OnClose(self, event)
222    
223          # if there were a way to get notified when the tree control          # if there were a way to get notified when the tree control
# Line 189  class SessionTreeView(NonModalDialog): Line 225  class SessionTreeView(NonModalDialog):
225          # of doing it here. (EVT_WINDOW_DESTROY doesn't seem to sent at          # of doing it here. (EVT_WINDOW_DESTROY doesn't seem to sent at
226          # all)          # all)
227          self.tree.unsubscribe_all()          self.tree.unsubscribe_all()
228    
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