/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/identifyview.py
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revision 6 by bh, Tue Aug 28 15:41:52 2001 UTC revision 2700 by dpinte, Mon Sep 18 14:27:02 2006 UTC
# Line 1  Line 1 
1  # Copyright (c) 2001 by Intevation GmbH  # Copyright (c) 2001, 2002, 2003 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4    # Frank Koormann <[email protected]>
5  #  #
6  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
7  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
8    
9  __version__ = "$Revision$"  __version__ = "$Revision$"
10    
11  from wxPython.wx import *  import wx
12  from wxPython.grid import *  from wx import grid
13    
14  import view  from Thuban import _
 from messages import SELECTED_SHAPE  
15    
16  class IdentifyListCtrl(wxListCtrl):  from dialogs import NonModalDialog
17    from controls import RecordListCtrl, RecordGridCtrl
18    from messages import SHAPES_SELECTED
19    import main
20    
21      def __init__(self, parent, id, interactor):  class IdentifyListCtrl(RecordListCtrl):
         wxListCtrl.__init__(self, parent, id, style = wxLC_REPORT)  
         self.interactor = interactor  
         self.interactor.Subscribe(SELECTED_SHAPE, self.selected_shape)  
   
         self.InsertColumn(0, "Field")  
         self.SetColumnWidth(0, wxLIST_AUTOSIZE_USEHEADER)  
         self.InsertColumn(1, "Value")  
         self.SetColumnWidth(1, wxLIST_AUTOSIZE_USEHEADER)  
   
     def fill_list(self, layer, shape):  
         self.DeleteAllItems()  
   
         if shape is not None:  
             table = layer.shapetable  
             num_cols = table.field_count()  
             num_rows = table.record_count()  
               
             names = []  
             for i in range(num_cols):  
                 type, name, length, decc = table.field_info(i)  
                 names.append(name)  
             record = table.read_record(shape)  
             i = 0  
             for name in names:  
                 value = record[name]  
                 i = self.InsertStringItem(i, name)  
                 self.SetStringItem(i, 1, str(value))  
22    
23      def selected_shape(self, layer, shape):      def selected_shape(self, layer, shape):
24          self.fill_list(layer, shape)          if layer is not None:
25                            table = layer.ShapeStore().Table()
26            else:
27                table = None
28            self.fill_list(table, shape)
29    
30    class IdentifyGridCtrl(RecordGridCtrl):
31    
32  class IdentifyView(wxFrame):      def selected_shape(self, layer, shape):
33            if layer is not None:
34      def __init__(self, parent, app):              table = layer.ShapeStore().Table()
35          # assume parent is Thuban's main window python object          else:
36          wxFrame.__init__(self, parent, -1, "Identify Shape")              table = None
37          panel = wxPanel(self, -1, style = wxWANTS_CHARS)          self.SetTableRecord(table, shape)
38          self.list = IdentifyListCtrl(panel, -1, app.interactor)  
39    class IdentifyView(NonModalDialog):
40          sizer = wxBoxSizer(wxVERTICAL)  
41          sizer.Add(self.list, 1, wx.wxEXPAND| wx.wxALL, 0)      ID_STOP = 100
42    
43          panel.SetAutoLayout(true)      def __init__(self, parent, name):
44          panel.SetSizer(sizer)          NonModalDialog.__init__(self, parent, name, _("Identify Shape"))
45          sizer.Fit(panel)          parent.Subscribe(SHAPES_SELECTED, self.selected_shape)
46    
47            top_box = wx.BoxSizer(wx.VERTICAL)
48            if main.options.attribute_editing_enabled:
49                self.list = IdentifyGridCtrl(self)
50            else:
51                self.list = IdentifyListCtrl(self, -1)
52            self.list.SetSize(wx.Size(305,200))
53            top_box.Add(self.list, 1, wx.EXPAND|wx.ALL, 4)
54    
55            box = wx.BoxSizer(wx.HORIZONTAL)
56            box.Add(wx.Button(self, wx.ID_CLOSE, _("Close Window")), 0, wx.ALL, 4)
57            box.Add(wx.Button(self, self.ID_STOP, _("Stop Identify Mode")),
58                             0, wx.ALL, 4)
59            top_box.Add(box, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ALL, 4)
60    
61            self.Bind(wx.EVT_BUTTON, self.OnClose, id=wx.ID_CLOSE)
62            self.Bind(wx.EVT_BUTTON, self.OnStop, id=self.ID_STOP)
63    
64            self.SetAutoLayout(True)
65            self.SetSizer(top_box)
66            top_box.Fit(self)
67            top_box.SetSizeHints(self)
68    
69            # Make sure to reflect the current selection.
70            self.selected_shape(parent.SelectedLayer(), parent.SelectedShapes())
71    
72        def OnClose(self, event):
73            self.parent.Unsubscribe(SHAPES_SELECTED, self.selected_shape)
74            NonModalDialog.OnClose(self, event)
75    
76        def OnStop(self, event):
77            self.parent.Unsubscribe(SHAPES_SELECTED, self.selected_shape)
78            self.parent.canvas.SelectTool(None)
79            NonModalDialog.OnClose(self, event)
80    
81        def selected_shape(self, layer, shapes):
82            """Subscribed to the SHAPES_SELECTED messages.
83    
84            If exactly one shape is selected, pass that shape id to the
85            list's selected_shape method. Otherwise pass None as the shape
86            id.
87            """
88            if len(shapes) == 1:
89                shape = shapes[0]
90            else:
91                shape = None
92            self.list.selected_shape(layer, shape)
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