/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/projdialog.py
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trunk/thuban/Thuban/UI/projdialog.py revision 1819 by bh, Mon Oct 13 15:55:43 2003 UTC branches/WIP-pyshapelib-bramz/Thuban/UI/projdialog.py revision 2734 by bramz, Thu Mar 1 12:42:59 2007 UTC
# Line 1  Line 1 
1  # Copyright (c) 2003 by Intevation GmbH  # Copyright (c) 2003, 2004 by Intevation GmbH
2  # Authors:  # Authors:
3  # Jonathan Coles <[email protected]>  # Jonathan Coles <[email protected]>
4  # Frank Koormann <[email protected]>  # Frank Koormann <[email protected]>
# Line 13  __version__ = "$Revision$" Line 13  __version__ = "$Revision$"
13  # $Source$  # $Source$
14  # $Id$  # $Id$
15    
16  import os  import sys, os
17  from wxPython.wx import *  import wx
18    
19  from Thuban import _  from Thuban import _
20    
21  from Thuban.Model.proj import Projection, ProjFile  from Thuban.Model.proj import Projection, ProjFile
22    
23  from Thuban.Model.resource import get_user_proj_file, get_system_proj_file, \  from Thuban.Model.resource import get_user_proj_file, get_system_proj_file, \
24                                    read_proj_file, write_proj_file                                    read_proj_file, write_proj_file, \
25                                      DEFAULT_PROJ_FILE, EPSG_PROJ_FILE, \
26                                      EPSG_DEPRECATED_PROJ_FILE
27  from Thuban.UI.dialogs import NonModalNonParentDialog  from Thuban.UI.dialogs import NonModalNonParentDialog
28    
29    from common import ThubanBeginBusyCursor, ThubanEndBusyCursor
30  from sizers import NotebookLikeSizer  from sizers import NotebookLikeSizer
31    from projlist import PROJ_SELECTION_CHANGED, ProjectionList
32    from common import ThubanBeginBusyCursor, ThubanEndBusyCursor
33    
34    
35    
 ID_PROJ_ADVANCED  = 4001  
36  ID_PROJ_PROJCHOICE = 4002  ID_PROJ_PROJCHOICE = 4002
37  ID_PROJ_ADDTOLIST    = 4003  ID_PROJ_ADDTOLIST    = 4003
38  ID_PROJ_NEW       = 4004  ID_PROJ_NEW       = 4004
# Line 56  class ProjFrame(NonModalNonParentDialog) Line 62  class ProjFrame(NonModalNonParentDialog)
62              ("tmerc", _("Transverse Mercator"), TMPanel),              ("tmerc", _("Transverse Mercator"), TMPanel),
63              ("utm", _("Universal Transverse Mercator"), UTMPanel),              ("utm", _("Universal Transverse Mercator"), UTMPanel),
64              ("lcc", _("Lambert Conic Conformal"), LCCPanel),              ("lcc", _("Lambert Conic Conformal"), LCCPanel),
65              ("latlong", _("Geographic"), GeoPanel)]              ("latlong", _("Geographic"), GeoPanel),
66                ("longlat", _("Geographic"), GeoPanel)]#longlat is an alias of proj
67          self.receiver = receiver          self.receiver = receiver
68          self.haveTried = False          self.haveTried = False
69          self.curProjPanel = None          self.curProjPanel = None
70            self.__usrProjFile = None
71            self._sys_proj_files = {}
72    
73          self.build_dialog()          self.build_dialog()
74          self.Layout()          self.Layout()
75    
76          self.originalProjection = self.receiver.GetProjection()          self.originalProjection = self.receiver.GetProjection()
77    
78          self.__DoOnProjAvail()          self.projection_list.SelectProjection(self.originalProjection)
79          self.button_ok.SetFocus()          self.projection_list.SetFocus()
         self.availprojs.SetFocus()  
80    
81      def build_dialog(self):      def build_dialog(self):
82          """Build the dialog's widgets and set the event handlers"""          """Build the dialog's widgets and set the event handlers"""
83          self.topBox = top_box = wxBoxSizer(wxVERTICAL)          self.topBox = top_box = wx.BoxSizer(wx.VERTICAL)
84    
85          main_box = wxBoxSizer(wxHORIZONTAL)          main_box = wx.BoxSizer(wx.HORIZONTAL)
86          top_box.Add(main_box, 1, wxALL|wxEXPAND)          top_box.Add(main_box, 1, wx.ALL|wx.EXPAND)
87    
88          #          #
89          #    The projection list and associated controls          #    The projection list and associated controls
90          #          #
91          vbox = wxBoxSizer(wxVERTICAL)          vbox = wx.BoxSizer(wx.VERTICAL)
92          main_box.Add(vbox, 0, wxALL|wxEXPAND)          main_box.Add(vbox, 4, wx.ALL|wx.EXPAND)
93    
94          label = wxStaticText(self, -1, _("Available Projections:"))          #label = wxStaticText(self, -1, _("Available Projections:"))
95          vbox.Add(label, 0, wxLEFT|wxRIGHT|wxTOP, 4)          #vbox.Add(label, 0, wxLEFT|wxRIGHT|wxTOP, 4)
96    
97          hbox = wxBoxSizer(wxHORIZONTAL)          hbox = wx.BoxSizer(wx.HORIZONTAL)
98          vbox.Add(hbox, 1, wxALL|wxEXPAND)          vbox.Add(hbox, 1, wx.ALL|wx.EXPAND)
99          self.availprojs = wxListBox(self, ID_PROJ_AVAIL,          proj_files = [self.load_user_proj(),
100                                      style=wxLB_EXTENDED|wxLB_SORT)                        self.load_system_proj(DEFAULT_PROJ_FILE)]
101          EVT_LISTBOX(self, ID_PROJ_AVAIL, self._OnProjAvail)          self.projection_list = ProjectionList(self, proj_files,
102          hbox.Add(self.availprojs, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4)                                                self.receiver.GetProjection())
103          self.__FillAvailList(selectCurrent = True)          hbox.Add(self.projection_list, 1, wx.ALL|wx.EXPAND|wx.ADJUST_MINSIZE, 4)
104            self.projection_list.Subscribe(PROJ_SELECTION_CHANGED,
105                                           self.proj_selection_changed)
106    
107          # Projection List specific actions (Import/Export/Remove)          # Projection List specific actions (Import/Export/Remove)
108          buttons = wxBoxSizer(wxVERTICAL)          buttons = wx.BoxSizer(wx.VERTICAL)
109          hbox.Add(buttons, 0, wxALL)          hbox.Add(buttons, 0, wx.ALL)
110          self.button_import = wxButton(self, ID_PROJ_IMPORT, _("Import..."))          self.button_import = wx.Button(self, ID_PROJ_IMPORT, _("Import..."))
111          EVT_BUTTON(self, ID_PROJ_IMPORT, self._OnImport)          self.Bind(wx.EVT_BUTTON, self._OnImport, id=ID_PROJ_IMPORT)
112          buttons.Add(self.button_import, 1, wxALL|wxEXPAND, 4)          buttons.Add(self.button_import, 1, wx.ALL|wx.EXPAND, 4)
113          self.button_export = wxButton(self, ID_PROJ_EXPORT, _("Export..."))          self.button_export = wx.Button(self, ID_PROJ_EXPORT, _("Export..."))
114          EVT_BUTTON(self, ID_PROJ_EXPORT, self._OnExport)          self.Bind(wx.EVT_BUTTON, self._OnExport, id=ID_PROJ_EXPORT)
115          buttons.Add(self.button_export, 1, wxALL|wxEXPAND, 4)          buttons.Add(self.button_export, 1, wx.ALL|wx.EXPAND, 4)
116          buttons.Add(20, 20, 0, wxEXPAND, 0)          buttons.Add( (20, 20), 0, wx.EXPAND, 0)
117          self.button_remove = wxButton(self, ID_PROJ_REMOVE, _("Remove"))          self.button_remove = wx.Button(self, ID_PROJ_REMOVE, _("Remove"))
118          EVT_BUTTON(self, ID_PROJ_REMOVE, self._OnRemove)          self.Bind(wx.EVT_BUTTON, self._OnRemove, id=ID_PROJ_REMOVE)
119          buttons.Add(self.button_remove, 1, wxALL|wxEXPAND, 4)          buttons.Add(self.button_remove, 1, wx.ALL|wx.EXPAND, 4)
120    
121            buttons.Add( (20, 20), 0, wx.EXPAND, 0)
122            label = wx.StaticText(self, -1, _("Show EPSG:"))
123            buttons.Add(label, 0, wx.LEFT|wx.RIGHT|wx.TOP, 4)
124            self.check_epsg = wx.CheckBox(self, -1, _("Normal"))
125            self.Bind(wx.EVT_CHECKBOX, self._OnShowEPSG, id=self.check_epsg.GetId())
126            buttons.Add(self.check_epsg, 1, wx.ALL|wx.EXPAND, 4)
127            self.check_epsg_depr = wx.CheckBox(self, -1, _("Deprecated"))
128            self.Bind(wx.EVT_CHECKBOX, self._OnShowEPSG, id=self.check_epsg_depr.GetId())
129            buttons.Add(self.check_epsg_depr, 1, wx.ALL|wx.EXPAND, 4)
130    
131          # The file path          # The file path
132          self.projfilepath = wxStaticText(self, -1, "")          self.projfilepath = wx.StaticText(self, -1, "")
133          vbox.Add(self.projfilepath, 0, wxALL|wxEXPAND)          vbox.Add(self.projfilepath, 0, wx.ALL|wx.EXPAND)
134    
135          #          #
136          #   The projection editor part          #   The projection editor part
137          #          #
138          self.edit_box = wxStaticBox(self, -1, _("Edit"))          self.edit_box = wx.StaticBox(self, -1, _("Edit"))
139          sizer_edit = wxStaticBoxSizer(self.edit_box, wxHORIZONTAL)          sizer_edit = wx.StaticBoxSizer(self.edit_box, wx.HORIZONTAL)
140          main_box.Add(sizer_edit, 1, wxALL|wxEXPAND)          main_box.Add(sizer_edit, 5, wx.ALL|wx.EXPAND)
141    
142          # Projection Specific Entries (Name/Projection)          # Projection Specific Entries (Name/Projection)
143          self.sizer_projctrls = wxBoxSizer(wxVERTICAL)          self.sizer_projctrls = wx.BoxSizer(wx.VERTICAL)
144          sizer_edit.Add(self.sizer_projctrls, 1, wxALL|wxEXPAND)          sizer_edit.Add(self.sizer_projctrls, 1, wx.ALL|wx.EXPAND)
145    
146          hbox = wxBoxSizer(wxHORIZONTAL)          hbox = wx.BoxSizer(wx.HORIZONTAL)
147          self.sizer_projctrls.Add(hbox, 0, wxALL|wxEXPAND)          self.sizer_projctrls.Add(hbox, 0, wx.ALL|wx.EXPAND)
148          label = wxStaticText(self, -1, _("Name:"))          label = wx.StaticText(self, -1, _("Name:"))
149          hbox.Add(label, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4)          hbox.Add(label, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
150          self.projname = wxTextCtrl(self, ID_PROJ_PROJNAME, "")          self.projname = wx.TextCtrl(self, ID_PROJ_PROJNAME, "")
151          EVT_TEXT(self, ID_PROJ_PROJNAME, self._OnProjName)          self.Bind(wx.EVT_TEXT, self._OnProjName, id=ID_PROJ_PROJNAME)
152          hbox.Add(self.projname, 1, wxALL|wxEXPAND, 4)          hbox.Add(self.projname, 1, wx.ALL|wx.EXPAND, 4)
153    
154          hbox = wxBoxSizer(wxHORIZONTAL)          hbox = wx.BoxSizer(wx.HORIZONTAL)
155          self.sizer_projctrls.Add(hbox, 0, wxALL|wxEXPAND)          self.sizer_projctrls.Add(hbox, 0, wx.ALL|wx.EXPAND)
156          label = wxStaticText(self, -1, _("Projection:"))          label = wx.StaticText(self, -1, _("Projection:"))
157          hbox.Add(label, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4)          hbox.Add(label, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
158          self.projchoice = wxChoice(self, ID_PROJ_PROJCHOICE)          self.projchoice = wx.Choice(self, ID_PROJ_PROJCHOICE)
159          self.projchoice.SetSelection(0)          self.projchoice.SetSelection(0)
160          EVT_CHOICE(self, ID_PROJ_PROJCHOICE, self._OnProjChoice)          self.Bind(wx.EVT_CHOICE, self._OnProjChoice, id=ID_PROJ_PROJCHOICE)
161          hbox.Add(self.projchoice, 1, wxALL|wxEXPAND, 4)          hbox.Add(self.projchoice, 1, wx.ALL|wx.EXPAND, 4)
162          # Fill the projection choice list.          # Fill the projection choice list.
163          self.nbsizer = NotebookLikeSizer()          self.nbsizer = NotebookLikeSizer()
164          self.sizer_projctrls.Add(self.nbsizer, 1,          self.sizer_projctrls.Add(self.nbsizer, 1,
165                                   wxALL|wxEXPAND|wxADJUST_MINSIZE, 3)                                   wx.ALL|wx.EXPAND|wx.ADJUST_MINSIZE, 3)
166          self.projection_panels = []          self.projection_panels = []
167            self.projchoice.Append(_("<Unknown>"), "")
168          for proj_type, name, cls in self.projection_panel_defs:          for proj_type, name, cls in self.projection_panel_defs:
169              self.projchoice.Append(name, proj_type)              self.projchoice.Append(name, proj_type)
170              panel = cls(self, self.receiver)              panel = cls(self, self.receiver)
# Line 157  class ProjFrame(NonModalNonParentDialog) Line 178  class ProjFrame(NonModalNonParentDialog)
178          self.nbsizer.Add(self.unknown_projection_panel)          self.nbsizer.Add(self.unknown_projection_panel)
179    
180          # Projection Specific actions (New/Save/Add)          # Projection Specific actions (New/Save/Add)
181          buttons = wxBoxSizer(wxVERTICAL)          buttons = wx.BoxSizer(wx.VERTICAL)
182          sizer_edit.Add(buttons, 0, wxALL)          sizer_edit.Add(buttons, 0, wx.ALL)
183          self.button_new = wxButton(self, ID_PROJ_NEW, _("New"))          self.button_new = wx.Button(self, ID_PROJ_NEW, _("New"))
184          EVT_BUTTON(self, ID_PROJ_NEW, self._OnNew)          self.Bind(wx.EVT_BUTTON, self._OnNew, id=ID_PROJ_NEW)
185          buttons.Add(self.button_new, 0, wxEXPAND|wxALL, 4)          buttons.Add(self.button_new, 0, wx.EXPAND|wx.ALL, 4)
186          self.button_add = wxButton(self, ID_PROJ_ADDTOLIST, _("Add to List"))          self.button_add = wx.Button(self, ID_PROJ_ADDTOLIST, _("Add to List"))
187          EVT_BUTTON(self, ID_PROJ_ADDTOLIST, self._OnAddToList)          self.Bind(wx.EVT_BUTTON, self._OnAddToList, id=ID_PROJ_ADDTOLIST)
188          buttons.Add(self.button_add, 0, wxEXPAND|wxALL, 4)          buttons.Add(self.button_add, 0, wx.EXPAND|wx.ALL, 4)
189          buttons.Add(20, 20, 0, wxEXPAND, 0)          buttons.Add( (20, 20), 0, wx.EXPAND, 0)
190          self.button_save = wxButton(self, ID_PROJ_SAVE,_("Update"))          self.button_save = wx.Button(self, ID_PROJ_SAVE,_("Update"))
191          EVT_BUTTON(self, ID_PROJ_SAVE, self._OnSave)          self.Bind(wx.EVT_BUTTON, self._OnSave, id=ID_PROJ_SAVE)
192          buttons.Add(self.button_save, 0, wxEXPAND|wxALL|wxALIGN_BOTTOM, 4)          buttons.Add(self.button_save, 0, wx.EXPAND|wx.ALL|wx.ALIGN_BOTTOM, 4)
193    
194          #          #
195          # Main Action buttons (Try/Revert/OK/Close)          # Main Action buttons (Try/Revert/OK/Close)
196          #          #
197          buttons = wxBoxSizer(wxHORIZONTAL)          buttons = wx.BoxSizer(wx.HORIZONTAL)
198          top_box.Add(buttons, 0, wxALL|wxALIGN_RIGHT, 10)          top_box.Add(buttons, 0, wx.ALL|wx.ALIGN_RIGHT, 10)
199          self.button_try = wxButton(self, wxID_APPLY, _("Try"))          self.button_try = wx.Button(self, wx.ID_APPLY, _("Try"))
200          EVT_BUTTON(self, wxID_APPLY, self.OnApply)          self.Bind(wx.EVT_BUTTON, self.OnApply, id=wx.ID_APPLY)
201          buttons.Add(self.button_try, 0, wxRIGHT, 10)          buttons.Add(self.button_try, 0, wx.RIGHT, 10)
202          self.button_revert = wxButton(self, ID_PROJ_REVERT, _("Revert"))          self.button_revert = wx.Button(self, ID_PROJ_REVERT, _("Revert"))
203          EVT_BUTTON(self, ID_PROJ_REVERT, self._OnRevert)          self.Bind(wx.EVT_BUTTON, self._OnRevert, id=ID_PROJ_REVERT)
204          buttons.Add(self.button_revert, 0, wxRIGHT, 10)          buttons.Add(self.button_revert, 0, wx.RIGHT, 10)
205          self.button_ok = wxButton(self, wxID_OK, _("OK"))          self.button_ok = wx.Button(self, wx.ID_OK, _("OK"))
206          EVT_BUTTON(self, wxID_OK, self.OnOK)          self.Bind(wx.EVT_BUTTON, self.OnOK, id=wx.ID_OK)
207          self.button_ok.SetDefault()          self.button_ok.SetDefault()
208          buttons.Add(self.button_ok, 0, wxRIGHT, 10)          buttons.Add(self.button_ok, 0, wx.RIGHT, 10)
209          self.button_close = wxButton(self, wxID_CANCEL, _("Close"))          self.button_close = wx.Button(self, wx.ID_CANCEL, _("Close"))
210          EVT_BUTTON(self, wxID_CANCEL, self.OnCancel)          self.Bind(wx.EVT_BUTTON, self.OnCancel, id=wx.ID_CANCEL)
211          buttons.Add(self.button_close, 0, wxRIGHT, 10)          buttons.Add(self.button_close, 0, wx.RIGHT, 10)
212    
213    
214          #          #
# Line 198  class ProjFrame(NonModalNonParentDialog) Line 219  class ProjFrame(NonModalNonParentDialog)
219          top_box.Fit(self)          top_box.Fit(self)
220          top_box.SetSizeHints(self)          top_box.SetSizeHints(self)
221    
222        def OnClose(self, event):
223            self.projection_list.Unsubscribe(PROJ_SELECTION_CHANGED,
224                                             self.proj_selection_changed)
225            # Destroy the projection list explicitly so that it properly
226            # unsubscribes everything. It would be cleaner if the projection
227            # could do this by itself but wx doesn't always send destroy
228            # events for non-top-level widgets
229            self.projection_list.Destroy()
230            NonModalNonParentDialog.OnClose(self, event)
231    
232      def OnApply(self, event):      def OnApply(self, event):
233          self.__SetProjection()          self.__SetProjection()
234          self.haveTried = True          self.haveTried = True
# Line 219  class ProjFrame(NonModalNonParentDialog) Line 250  class ProjFrame(NonModalNonParentDialog)
250    
251      def _OnNew(self, event):      def _OnNew(self, event):
252    
253          # clear all selections          self.projection_list.ClearSelection()
         sel = self.availprojs.GetSelections()  
         for index in sel:  
             self.availprojs.SetSelection(index, False)  
   
254          self.projname.Clear()          self.projname.Clear()
255    
256          # supply a projection panel if there wasn't one          # supply a projection panel if there wasn't one
# Line 231  class ProjFrame(NonModalNonParentDialog) Line 258  class ProjFrame(NonModalNonParentDialog)
258              self.projchoice.SetSelection(0)              self.projchoice.SetSelection(0)
259              self.__DoOnProjChoice()              self.__DoOnProjChoice()
260    
261          self.curProjPanel.Clear()          if self.curProjPanel is not None:
262                self.curProjPanel.Clear()
263    
264      def _OnSave(self, event):      def _OnSave(self, event):
265    
266          sel = self.availprojs.GetSelections()          sel = self.projection_list.selected_projections()
267          assert len(sel) == 1,  "button shouldn't be enabled"          assert len(sel) == 1,  "button shouldn't be enabled"
268    
269          proj, projfile = self.availprojs.GetClientData(sel[0])          proj, projfile = sel[0]
270    
271          assert proj is not None and projfile is not None          assert proj is not None and projfile is not None
272    
273          newproj = self.__GetProjection()          newproj = self.__GetProjection()
274    
275          if newproj is not None:          if newproj is not None:
276                # FIXME: we should only allow this for the user proj file.
277              projfile.Replace(proj, newproj)              projfile.Replace(proj, newproj)
278              try:              self.write_proj_file(projfile)
279                  write_proj_file(projfile)              self.projection_list.SelectProjection(newproj)
             except IOError, (errno, errstr):  
                 self.__ShowError(projfile.GetFilename(), errstr)  
             self.availprojs.SetClientData(sel[0], [newproj, projfile])  
   
             self.__FillAvailList( selectProj = newproj.Label())  
280    
281      def _OnAddToList(self, event):      def _OnAddToList(self, event):
282    
283          proj = self.__GetProjection()          proj = self.__GetProjection()
284          if proj is not None:          if proj is not None:
285              self.__usrProjFile.Add(proj)              self.__usrProjFile.Add(proj)
286              try:              self.write_proj_file(self.__usrProjFile)
287                  write_proj_file(self.__usrProjFile)              self.projection_list.SelectProjection(proj)
             except IOError, (errno, errstr):  
                 self.__ShowError(self.__userProjFile.GetFilename(), errstr)  
   
             self.__FillAvailList( selectProj = proj.Label())  
   
     def _OnProjAvail(self, event):  
         self.__DoOnProjAvail()  
288    
289      def show_warnings(self, title, filename, warnings):      def show_warnings(self, title, filename, warnings):
290          """Show the warnings (a list of strings) in a dialog          """Show the warnings (a list of strings) in a dialog
# Line 280  class ProjFrame(NonModalNonParentDialog) Line 297  class ProjFrame(NonModalNonParentDialog)
297              self.parent.RunMessageBox(title, text)              self.parent.RunMessageBox(title, text)
298    
299      def _OnImport(self, event):      def _OnImport(self, event):
300            """Handler for the 'Import' button
301    
302          dlg = wxFileDialog(self, _("Import"), style = wxOPEN)          Ask the user for a filename, read the projections from that file
303            add them to the user ProjFile object and write the user file
304            back to disk.
305            """
306            dlg = wx.FileDialog(self, _("Import"),
307                    self.parent.application.Path("projection"), style = wx.OPEN)
308    
309          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wx.ID_OK:
310              path = dlg.GetPath()              path = dlg.GetPath()
311    
312                ThubanBeginBusyCursor()
313              try:              try:
314                  projFile, warnings = read_proj_file(path)                  try:
315                  self.show_warnings(_("Warnings"), path, warnings)                      projFile, warnings = read_proj_file(path)
316                  for proj in projFile.GetProjections():                  except IOError, (errno, errstr):
317                      self.__usrProjFile.Add(proj)                      self.__ShowError(dlg.GetPath(), errstr)
318                  write_proj_file(self.__usrProjFile)                  else:
319              except IOError, (errno, errstr):                      self.show_warnings(_("Warnings"), path, warnings)
320                  self.__ShowError(dlg.GetPath(), errstr)                      for proj in projFile.GetProjections():
321                            self.__usrProjFile.Add(proj)
322              self.__FillAvailList()                      self.write_proj_file(self.__usrProjFile)
323                        self.parent.application.SetPath("projection", path)
324                finally:
325                    ThubanEndBusyCursor()
326          dlg.Destroy()          dlg.Destroy()
327    
328      def _OnExport(self, event):      def _OnExport(self, event):
329            """Handler for the 'Export' button.
330    
331          sel = self.availprojs.GetSelections()          Ask the user for a filename and write the selected projections
332            to that file.
333            """
334            sel = self.projection_list.selected_projections()
335          assert len(sel) != 0, "button should be disabled"          assert len(sel) != 0, "button should be disabled"
336    
337          dlg = wxFileDialog(self, _("Export"),          dlg = wx.FileDialog(self, _("Export"),
338                          style = wxSAVE|wxOVERWRITE_PROMPT)                  self.parent.application.Path("projection"),
339                    style=wx.SAVE|wx.OVERWRITE_PROMPT)
340          if dlg.ShowModal() == wxID_OK:  
341              path = dlg.GetPath()          if dlg.ShowModal() == wx.ID_OK:
342                proj_file = ProjFile(dlg.GetPath())
343              projFile = ProjFile(path)              for proj, pf in sel:
   
             for i in sel:  
                 proj = self.availprojs.GetClientData(i)[CLIENT_PROJ]  
344                  if proj is not None:                  if proj is not None:
345                      projFile.Add(proj)                      proj_file.Add(proj)
346                self.write_proj_file(proj_file)
347              try:              self.parent.application.SetPath("projection", dlg.GetPath())
                 write_proj_file(projFile)  
             except IOError, (errno, errstr):  
                 self.__ShowError(dlg.GetPath(), errstr)  
348    
349          dlg.Destroy()          dlg.Destroy()
350    
351      def _OnRemove(self, event):      def _OnRemove(self, event):
352            """Handler for the 'Remove' button
353    
354          sel = self.availprojs.GetSelections()          Remove any selected projection that came from the user's
355            ProjFile. If the user ProjFile was modified write it back to
356            disk.
357            """
358            sel = self.projection_list.selected_projections()
359          assert len(sel) != 0, "button should be disabled!"          assert len(sel) != 0, "button should be disabled!"
360    
361          #          modified = False
362          # remove the items backwards so the indices don't change          for proj, pf in sel:
363          #              if proj is not None and pf is self.__usrProjFile:
364          sel = list(sel)                  pf.Remove(proj)
365          sel.sort()                  modified = True
         sel.reverse()  
   
         newselection = -1  
         if len(sel) == 1:  
             newselection = sel[0] - 1  
             if newselection < 0:  
                 newselection = 0  
   
         for i in sel:  
             proj, projfile = self.availprojs.GetClientData(i)  
   
             #  
             # this could be the case if they selected <None> or  
             # the currently used projection  
             #  
             if proj is not None and projfile is not None:  
                 projfile.Remove(proj)  
   
         try:  
             write_proj_file(projfile)  
         except IOError, (errno, errstr):  
             self.__ShowError(projfile.GetFilename(), errstr)  
366    
367          self.__FillAvailList()          if modified:
368                self.write_proj_file(self.__usrProjFile)
369    
370          #      def _OnShowEPSG(self, event):
371          # this *could* produce incorrect results if the .proj files          """Handler for the EVT_CHECKBOX events from the EPSG check button
         # change between the last list update and this selection  
         # because the list has been repopulated.  
         #  
         if newselection != -1 and self.availprojs.GetCount() > 0:  
             self.availprojs.SetSelection(newselection)  
372    
373          self.__VerifyButtons()          If the button is checked add the EPSG_PROJ_FILE to the list of
374            projfiles shown by the projection list. Otherwise remove it
375            """
376            proj_files = [self.load_user_proj(),
377                          self.load_system_proj(DEFAULT_PROJ_FILE)]
378            if self.check_epsg.IsChecked():
379                proj_files.append(self.load_system_proj(EPSG_PROJ_FILE))
380            if self.check_epsg_depr.IsChecked():
381                proj_files.append(self.load_system_proj(EPSG_DEPRECATED_PROJ_FILE))
382            self.projection_list.SetProjFiles(proj_files)
383    
384      def _OnProjName(self, event):      def _OnProjName(self, event):
385          self.__VerifyButtons()          self.__VerifyButtons()
386    
387      def __ShowError(self, filename, errstr):      def __ShowError(self, filename, errstr):
388          wxMessageDialog(self,          wx.MessageDialog(self,
389              _("The following error occured:\n") +              _("The following error occured:\n") +
390              filename + "\n" + errstr,              filename + "\n" + errstr,
391              _("Error"), wxOK | wxICON_ERROR).ShowModal()              _("Error"), wx.OK | wx.ICON_ERROR).ShowModal()
392    
393      def __VerifyButtons(self):      def __VerifyButtons(self):
394          """Enable or disable the appropriate buttons based on the          """Update button sensitivity"""
         current state of the dialog.  
         """  
395    
396          sel = self.availprojs.GetSelections()          num_sel = self.projection_list.GetSelectedItemCount()
397    
398          self.button_import.Enable(True)          self.button_import.Enable(True)
399          self.button_export.Enable(True)          self.button_export.Enable(True)
# Line 405  class ProjFrame(NonModalNonParentDialog) Line 415  class ProjFrame(NonModalNonParentDialog)
415          if self.curProjPanel is not None:          if self.curProjPanel is not None:
416              self.curProjPanel.Enable(True)              self.curProjPanel.Enable(True)
417    
418          if len(sel) == 0:          if num_sel == 0:
419              self.button_import.Enable(True)              self.button_import.Enable(True)
420              self.button_export.Enable(False)              self.button_export.Enable(False)
421              self.button_remove.Enable(False)              self.button_remove.Enable(False)
422              self.button_save.Enable(False)              self.button_save.Enable(False)
423    
424          elif len(sel) == 1:          elif num_sel == 1:
425    
426              proj, projFile = self.availprojs.GetClientData(sel[0])              selection = self.projection_list.selected_projections()
427                proj, projFile = selection[0]
428    
429              self.button_save.Enable(len(self.projname.GetValue()) > 0)              self.button_save.Enable(len(self.projname.GetValue()) > 0)
430              self.button_add.Enable(len(self.projname.GetValue()) > 0)              self.button_add.Enable(len(self.projname.GetValue()) > 0)
# Line 440  class ProjFrame(NonModalNonParentDialog) Line 451  class ProjFrame(NonModalNonParentDialog)
451          else:          else:
452              self.edit_box.Enable(False)              self.edit_box.Enable(False)
453    
454      def __DoOnProjAvail(self):      def proj_selection_changed(self, projs):
455            """Subscribed to the projection_list's PROJ_SELECTION_CHANGED message
         sel = self.availprojs.GetSelections()  
         if len(sel) == 1:  
   
             proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ]  
             projfile = self.availprojs.GetClientData(sel[0])[CLIENT_PROJFILE]  
456    
457            Update the dialog to reflect the new selection.
458            """
459            if len(projs) == 0:
460                self.projfilepath.SetLabel(_("No Projections selected"))
461            elif len(projs) == 1:
462                proj, projfile = projs[0]
463              if proj is None:              if proj is None:
464                  # user selected <None>                  # user selected <None>
465                  self.projname.Clear()                  self.projname.Clear()
466                  self.projfilepath.SetLabel(_("Projection File: "))                  self.projfilepath.SetLabel("")
467              else:              else:
   
468                  if projfile is not None:                  if projfile is not None:
469                      self.projfilepath.SetLabel(_("Projection File: ") +                      filename = os.path.basename(projfile.GetFilename())
470                          os.path.basename(projfile.GetFilename()))                      self.projfilepath.SetLabel(_("Source of Projection: %s")
471                                                   % filename)
472                  else:                  else:
473                      # only None if the currently used projection is selected                      # only None if the currently used projection is selected
474                      self.projfilepath.SetLabel(_("Projection File: "))                      self.projfilepath.SetLabel("")
475    
476                  self.projname.SetValue(proj.Label())                  self.projname.SetValue(proj.Label())
477    
# Line 468  class ProjFrame(NonModalNonParentDialog) Line 480  class ProjFrame(NonModalNonParentDialog)
480                  for projType, name, cls in self.projection_panel_defs:                  for projType, name, cls in self.projection_panel_defs:
481                      if myProjType == projType:                      if myProjType == projType:
482                          self.projchoice.Enable(True)                          self.projchoice.Enable(True)
483                          self.projchoice.SetSelection(i)                          self.projchoice.SetSelection(i + 1)
484                          self.__DoOnProjChoice()                          self.__DoOnProjChoice()
485    
486                          #                          #
# Line 481  class ProjFrame(NonModalNonParentDialog) Line 493  class ProjFrame(NonModalNonParentDialog)
493                          break                          break
494                      i += 1                      i += 1
495                  else:                  else:
496                        self.projchoice.Select(0)
497                      self.projchoice.Disable()                      self.projchoice.Disable()
498                      self._show_proj_panel(UnknownProjPanel)                      self._show_proj_panel(UnknownProjPanel)
499                        assert self.curProjPanel is not None
500                        self.curProjPanel.SetProjection(proj)
501            else:
502                self.projfilepath.SetLabel(_("Multiple Projections selected"))
503    
504          self.__VerifyButtons()          self.__VerifyButtons()
505    
# Line 513  class ProjFrame(NonModalNonParentDialog) Line 530  class ProjFrame(NonModalNonParentDialog)
530      def _show_proj_panel(self, panel_class):      def _show_proj_panel(self, panel_class):
531          """Show the panel as the projection panel"""          """Show the panel as the projection panel"""
532          if panel_class is UnknownProjPanel:          if panel_class is UnknownProjPanel:
533                self.button_ok.Disable()
534                self.button_try.Disable()
535              self.edit_box.Disable()              self.edit_box.Disable()
536              self.nbsizer.Activate(self.unknown_projection_panel)              self.nbsizer.Activate(self.unknown_projection_panel)
537              self.curProjPanel = self.unknown_projection_panel              self.curProjPanel = self.unknown_projection_panel
538          else:          else:
539                self.button_ok.Enable(True)
540                self.button_try.Enable(True)
541              self.edit_box.Enable(True)              self.edit_box.Enable(True)
542              self.unknown_projection_panel.Hide()              self.unknown_projection_panel.Hide()
543              for panel in self.projection_panels:              for panel in self.projection_panels:
# Line 540  class ProjFrame(NonModalNonParentDialog) Line 561  class ProjFrame(NonModalNonParentDialog)
561          Could be None.          Could be None.
562          """          """
563    
564          sel = self.availprojs.GetSelections()          assert self.projection_list.GetSelectedItemCount() < 2, \
565          assert len(sel) < 2, "button should be disabled"                 "button should be disabled"
   
566    
567            sel = self.projection_list.selected_projections()
568          if len(sel) == 1:          if len(sel) == 1:
569              proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ]              if sel[0][0] is None:
             if proj is None:  
570                  # <None> is selected                  # <None> is selected
571                  return None                  return None
572    
573          #          # self.curProjPanel should always contain the most relevant data
574          # self.curProjPanel should always contain the most          # for a projection
         # relevant data for a projection  
         #  
575          if self.curProjPanel is not None:          if self.curProjPanel is not None:
576              return Projection(self.curProjPanel.GetParameters(),              parameters = self.curProjPanel.GetParameters()
577                                self.projname.GetValue())              if parameters is not None:
578                    return Projection(parameters, self.projname.GetValue())
579    
580          return None          return None
581    
582      def __FillAvailList(self, selectCurrent = False, selectProj = None):      def load_user_proj(self):
583          """Populate the list of available projections.          """Return the user's ProjFile
           
         selectCurrent -- if True, select the projection used by  
                          the receiver, otherwise select nothing.  
         selectProj    -- if set, select the projection found under the  
                          specified name. This overwrites any other  
                          selection estimate.  
         """  
584    
585          self.availprojs.Clear()          If the file has not yet been loaded by the dialog, load it first
586            with get_user_proj_file and cache it in self.__usrProjFile.
587    
588          #          Show a busy cursor while loading the file.
         # the list can never be empty. there will always be  
         # at least this one item  
         #  
         self.availprojs.Append("<None>", (None, None))  
589    
590          projfile, warnings = get_system_proj_file()          If the file is not available, leave a note to the console.
591          self.show_warnings(_("Warnings"), projfile.GetFilename(), warnings)          """
592          for proj in projfile.GetProjections():          if self.__usrProjFile is None:
593              self.availprojs.Append(proj.Label(), [proj, projfile])              ThubanBeginBusyCursor()
594          self.__sysProjFile = projfile              try:
595                    projfile, warnings = get_user_proj_file()
596                    if warnings:
597                        sys.stderr.write("".join(warnings))
598                        sys.stderr.write("\n")
599                    self.__usrProjFile = projfile
600                finally:
601                    ThubanEndBusyCursor()
602            return self.__usrProjFile
603    
604        def load_system_proj(self, name):
605            """Load the system ProjFile with the given name.
606    
607            If the file has not been loaded yet, load it first with
608            get_system_proj_file and put it into the cache. The name is
609            simply forwarded to get_system_proj_file.
610    
611          projfile, warnings = get_user_proj_file()          Show a busy cursor while loading the file.
612          self.show_warnings(_("Warnings"), projfile.GetFilename(), warnings)          """
613          for proj in projfile.GetProjections():          if name not in self._sys_proj_files:
614              self.availprojs.Append(proj.Label(), [proj, projfile])              ThubanBeginBusyCursor()
615          self.__usrProjFile = projfile              try:
616                    projfile, warnings = get_system_proj_file(name)
617                    self.show_warnings(_("Warnings"), projfile.GetFilename(),
618                                       warnings)
619                    self._sys_proj_files[name] = projfile
620                finally:
621                    ThubanEndBusyCursor()
622            return self._sys_proj_files[name]
623    
624        def write_proj_file(self, proj_file):
625            """Write the ProjFile object proj_file back to its file
626    
627            Show a busy cursor while writing and if an error occurs show a
628            dialog with the error message.
629            """
630            try:
631                ThubanBeginBusyCursor()
632                try:
633                    write_proj_file(proj_file)
634                finally:
635                    ThubanEndBusyCursor()
636            except IOError, (errno, errstr):
637                self.__ShowError(proj_file.GetFilename(), errstr)
638    
         #  
         # We add the current projection to the list at last.  
         # Since the list is resorted immediately a following FindString()  
         # determines the index correctly.  
         #  
         proj = self.receiver.GetProjection()  
         if proj is not None:  
             proj_item = _("%s (current)") % proj.Label()  
             self.availprojs.Append(proj_item, [proj, None])  
             if selectCurrent:  
                 self.availprojs.SetSelection(  
                         self.availprojs.FindString(proj_item)  
                     )  
         else:  
             if selectCurrent:  
                 self.availprojs.SetSelection(  
                         self.availprojs.FindString("<None>")  
                     )  
         if selectProj:  
             self.availprojs.SetSelection(  
                         self.availprojs.FindString(selectProj)  
                     )  
639    
640    
641  class ProjPanel(wxPanel):  class ProjPanel(wx.Panel):
642      """Base class for all projection panels."""      """Base class for all projection panels."""
643    
644      def __init__(self, parent):      def __init__(self, parent):
645          wxPanel.__init__(self, parent, -1)          wx.Panel.__init__(self, parent, -1)
646    
647          self.__ellps = wxChoice(self, -1)          self.__ellps = wx.Choice(self, -1)
648          self.ellpsData = [("airy"  , _("Airy")),          self.ellpsData = [("", _("<Unknown>")),
649                              ("airy"  , _("Airy")),
650                            ("bessel", _("Bessel 1841")),                            ("bessel", _("Bessel 1841")),
651                            ("clrk66", _("Clarke 1866")),                            ("clrk66", _("Clarke 1866")),
652                            ("clrk80", _("Clarke 1880")),                            ("clrk80", _("Clarke 1880")),
653                            ("GRS80" , _("GRS 1980 (IUGG, 1980)")),                            ("GRS80" , _("GRS 1980 (IUGG, 1980)")),
654                            ("intl"  , _("International 1909 (Hayford)")),                            ("intl"  , _("International 1909 (Hayford)")),
# Line 633  class ProjPanel(wxPanel): Line 658  class ProjPanel(wxPanel):
658              self.__ellps.Append(name, tag)              self.__ellps.Append(name, tag)
659    
660          self.__ellps.SetSelection(0)          self.__ellps.SetSelection(0)
661            
662      def _DoLayout(self, childPanel = None):      def _DoLayout(self, childPanel = None):
663    
664          panelSizer = wxBoxSizer(wxVERTICAL)          panelSizer = wx.BoxSizer(wx.VERTICAL)
665    
666          sizer = wxBoxSizer(wxHORIZONTAL)          sizer = wx.BoxSizer(wx.HORIZONTAL)
667          sizer.Add(wxStaticText(self, -1, _("Ellipsoid:")), 0,          sizer.Add(wx.StaticText(self, -1, _("Ellipsoid:")), 0,
668                                      wxALL|wxALIGN_CENTER_VERTICAL, 4)                                      wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
669          sizer.Add(self.__ellps, 1, wxALL|wxALIGN_CENTER_VERTICAL, 4)          sizer.Add(self.__ellps, 1, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
670          panelSizer.Add(sizer, 0, wxALL|wxEXPAND, 4)          panelSizer.Add(sizer, 0, wx.ALL|wx.EXPAND, 4)
671    
672          if childPanel is not None:          if childPanel is not None:
673              panelSizer.Add(childPanel, 0, wxEXPAND, 0)              panelSizer.Add(childPanel, 0, wx.EXPAND, 0)
674                
675          self.SetAutoLayout(1)          self.SetAutoLayout(1)
676          self.SetSizer(panelSizer)          self.SetSizer(panelSizer)
677          panelSizer.Fit(self)          panelSizer.Fit(self)
# Line 669  class ProjPanel(wxPanel): Line 694  class ProjPanel(wxPanel):
694          self.__ellps.SetSelection(0)          self.__ellps.SetSelection(0)
695    
696      def GetParameters(self):      def GetParameters(self):
697          return ["ellps=" + self.__ellps.GetClientData(          ellps = self.__ellps.GetSelection()
698                                          self.__ellps.GetSelection())]          if ellps > 0:
699                return ["ellps=" + self.__ellps.GetClientData(ellps)]
700            return []
701    
702    
703  ID_TMPANEL_LAT = 4001  ID_TMPANEL_LAT = 4001
# Line 686  class UnknownProjPanel(ProjPanel): Line 713  class UnknownProjPanel(ProjPanel):
713      def __init__(self, parent, receiver):      def __init__(self, parent, receiver):
714          ProjPanel.__init__(self, parent)          ProjPanel.__init__(self, parent)
715    
716            self.__text = _("Thuban does not know the parameters\n"
717                            "for the current projection and cannot\n"
718                            "display a configuration panel.\n\n"
719                            "The unidentified set of parameters is:\n\n")
720    
721            self.__textbox = wx.TextCtrl(self, -1, self.__text, size=(100,200),
722                                style=wx.TE_READONLY|wx.TE_MULTILINE|wx.TE_LINEWRAP)
723          self._DoLayout()          self._DoLayout()
724    
725      def _DoLayout(self):      def _DoLayout(self):
726          sizer = wxBoxSizer(wxVERTICAL)          sizer = wx.BoxSizer(wx.VERTICAL)
727    
728          sizer.Add(wxStaticText(self, -1,          sizer.Add(self.__textbox, 0, wx.ALL|wx.EXPAND, 4)
                                _("Thuban does not know the parameters\n"  
                                  "for the current projection and cannot\n"  
                                  "display a configuration panel.")))  
729    
730          ProjPanel._DoLayout(self, sizer)          ProjPanel._DoLayout(self, sizer)
731    
# Line 702  class UnknownProjPanel(ProjPanel): Line 733  class UnknownProjPanel(ProjPanel):
733          return "Unknown"          return "Unknown"
734    
735      def SetProjection(self, proj):      def SetProjection(self, proj):
736          pass          """Append the available parameters to the info text."""
737            text = self.__text
738            for param in proj.GetAllParameters():
739                text = text + '%s\n' % param
740            self.__textbox.SetValue(text)
741    
742      def GetParameters(self):      def GetParameters(self):
743          return None          return None
# Line 713  class TMPanel(ProjPanel): Line 748  class TMPanel(ProjPanel):
748      def __init__(self, parent, receiver):      def __init__(self, parent, receiver):
749          ProjPanel.__init__(self, parent)          ProjPanel.__init__(self, parent)
750    
751          self.__latitude = wxTextCtrl(self, ID_TMPANEL_LAT)          self.__latitude = wx.TextCtrl(self, ID_TMPANEL_LAT)
752          self.__longitude = wxTextCtrl(self, ID_TMPANEL_LONG)          self.__longitude = wx.TextCtrl(self, ID_TMPANEL_LONG)
753          self.__scale = wxTextCtrl(self, ID_TMPANEL_SCALE)          self.__falseEast = wx.TextCtrl(self, ID_TMPANEL_FASLE_EAST)
754          self.__falseEast = wxTextCtrl(self, ID_TMPANEL_FASLE_EAST)          self.__falseNorth = wx.TextCtrl(self, ID_TMPANEL_FALSE_NORTH)
755          self.__falseNorth = wxTextCtrl(self, ID_TMPANEL_FALSE_NORTH)          self.__scale = wx.TextCtrl(self, ID_TMPANEL_SCALE)
756    
757          self._DoLayout()          self._DoLayout()
758    
759      def _DoLayout(self):      def _DoLayout(self):
760    
761          sizer = wxFlexGridSizer(4, 2, 0, 0)          sizer = wx.FlexGridSizer(4, 2, 0, 0)
762          sizer.Add(wxStaticText(self, -1, _("Latitude:")), 0, wxALL, 4)          sizer.Add(wx.StaticText(self, -1, _("Latitude:")), 0, wx.ALL, 4)
763          sizer.Add(self.__latitude, 0, wxALL, 4)          sizer.Add(self.__latitude, 0, wx.ALL, 4)
764          sizer.Add(wxStaticText(self, -1, _("Longitude:")), 0, wxALL, 4)          sizer.Add(wx.StaticText(self, -1, _("Longitude:")), 0, wx.ALL, 4)
765          sizer.Add(self.__longitude, 0, wxALL, 4)          sizer.Add(self.__longitude, 0, wx.ALL, 4)
766          sizer.Add(wxStaticText(self, -1, _("False Easting:")), 0, wxALL, 4)          sizer.Add(wx.StaticText(self, -1, _("False Easting:")), 0, wx.ALL, 4)
767          sizer.Add(self.__falseEast, 0, wxALL, 4)          sizer.Add(self.__falseEast, 0, wx.ALL, 4)
768          sizer.Add(wxStaticText(self, -1, _("False Northing:")), 0, wxALL, 4)          sizer.Add(wx.StaticText(self, -1, _("False Northing:")), 0, wx.ALL, 4)
769          sizer.Add(self.__falseNorth, 0, wxALL, 4)          sizer.Add(self.__falseNorth, 0, wx.ALL, 4)
770          sizer.Add(wxStaticText(self, -1, _("Scale Factor:")), 0, wxALL, 4)          sizer.Add(wx.StaticText(self, -1, _("Scale Factor:")), 0, wx.ALL, 4)
771          sizer.Add(self.__scale, 0, wxALL, 4)          sizer.Add(self.__scale, 0, wx.ALL, 4)
772    
773          ProjPanel._DoLayout(self, sizer)          ProjPanel._DoLayout(self, sizer)
774    
# Line 782  class UTMPanel(ProjPanel): Line 817  class UTMPanel(ProjPanel):
817    
818          self.receiver = receiver          self.receiver = receiver
819    
820          self.__zone = wxSpinCtrl(self, ID_UTMPANEL_ZONE, "1", min=1, max=60)          self.__zone = wx.SpinCtrl(self, ID_UTMPANEL_ZONE, "1", min=1, max=60)
821          self.__propButton = wxButton(self, ID_UTMPANEL_PROP, _("Propose"))          self.__propButton = wx.Button(self, ID_UTMPANEL_PROP, _("Propose"))
822          self.__south = wxCheckBox(self, ID_UTMPANEL_SOUTH,          self.__south = wx.CheckBox(self, ID_UTMPANEL_SOUTH,
823                                    _("Southern Hemisphere"))                                    _("Southern Hemisphere"))
824    
825          self._DoLayout()          self._DoLayout()
826    
827          EVT_BUTTON(self, ID_UTMPANEL_PROP, self._OnPropose)          self.Bind(wx.EVT_BUTTON, self._OnPropose, id=ID_UTMPANEL_PROP)
828    
829      def _DoLayout(self):      def _DoLayout(self):
830    
831          sizer = wxBoxSizer(wxVERTICAL)          sizer = wx.BoxSizer(wx.VERTICAL)
832          psizer = wxBoxSizer(wxHORIZONTAL)          psizer = wx.BoxSizer(wx.HORIZONTAL)
833          psizer.Add(wxStaticText(self, -1, _("Zone:")), 0, wxALL, 4)          psizer.Add(wx.StaticText(self, -1, _("Zone:")), 0, wx.ALL, 4)
834          psizer.Add(self.__zone, 0, wxALL, 4)          psizer.Add(self.__zone, 0, wx.ALL, 4)
835          psizer.Add(self.__propButton, 0, wxALL, 4)          psizer.Add(self.__propButton, 0, wx.ALL, 4)
836          sizer.Add(psizer, 0, wxALL, 4)          sizer.Add(psizer, 0, wx.ALL, 4)
837          sizer.Add(self.__south, 0, wxALL, 4)          sizer.Add(self.__south, 0, wx.ALL, 4)
838    
839          ProjPanel._DoLayout(self, sizer)          ProjPanel._DoLayout(self, sizer)
840    
# Line 831  class UTMPanel(ProjPanel): Line 866  class UTMPanel(ProjPanel):
866          """          """
867          bb = self.receiver.BoundingBox()          bb = self.receiver.BoundingBox()
868          if bb is None:          if bb is None:
869              dlg = wxMessageDialog(self,              dlg = wx.MessageDialog(self,
870                      _("Can not propose: No bounding box found."),                      _("Can not propose: No bounding box found."),
871                      _("Projection: Propose UTM Zone"),                      _("Projection: Propose UTM Zone"),
872                      wxOK | wxICON_INFORMATION)                      wx.OK | wx.ICON_INFORMATION)
873              dlg.CenterOnParent()              dlg.CenterOnParent()
874              result = dlg.ShowModal()              result = dlg.ShowModal()
875              dlg.Destroy()              dlg.Destroy()
876              return              return
877    
878          dlg = UTMProposeZoneDialog(self, self.receiver.BoundingBox())          dlg = UTMProposeZoneDialog(self, self.receiver.BoundingBox())
879          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wx.ID_OK:
880              self.__zone.SetValue(dlg.GetProposedZone())              self.__zone.SetValue(dlg.GetProposedZone())
881    
882  class LCCPanel(ProjPanel):  class LCCPanel(ProjPanel):
883      """Projection Panel for Lambert Conic Conformal."""      """Projection Panel for Lambert Conic Conformal."""
884    
885      def __init__(self, parent, receiver):      def __init__(self, parent, receiver):
886          ProjPanel.__init__(self, parent)          ProjPanel.__init__(self, parent)
887            
888          self.__fspLatitude = wxTextCtrl(self, -1)          self.__fspLatitude = wx.TextCtrl(self, -1)
889          self.__sspLatitude = wxTextCtrl(self, -1)          self.__sspLatitude = wx.TextCtrl(self, -1)
890          self.__originLat   = wxTextCtrl(self, -1)          self.__meridian    = wx.TextCtrl(self, -1)
891          self.__meridian    = wxTextCtrl(self, -1)          self.__originLat   = wx.TextCtrl(self, -1)
892          self.__falseEast   = wxTextCtrl(self, -1)          self.__falseEast   = wx.TextCtrl(self, -1)
893          self.__falseNorth  = wxTextCtrl(self, -1)          self.__falseNorth  = wx.TextCtrl(self, -1)
894    
895          self._DoLayout()          self._DoLayout()
896    
897      def _DoLayout(self):      def _DoLayout(self):
898    
899          sizer = wxFlexGridSizer(6, 2, 0, 0)          sizer = wx.FlexGridSizer(6, 2, 0, 0)
900          sizer.Add(wxStaticText(self, -1,          sizer.Add(wx.StaticText(self, -1,
901              _("Latitude of first standard parallel:")))              _("Latitude of first standard parallel:")))
902          sizer.Add(self.__fspLatitude, 0, wxALL, 4)          sizer.Add(self.__fspLatitude, 0, wx.ALL, 4)
903          sizer.Add(wxStaticText(self, -1,          sizer.Add(wx.StaticText(self, -1,
904              _("Latitude of second standard parallel:")))              _("Latitude of second standard parallel:")))
905          sizer.Add(self.__sspLatitude, 0, wxALL, 4)          sizer.Add(self.__sspLatitude, 0, wx.ALL, 4)
906          sizer.Add(wxStaticText(self, -1, _("Central Meridian:")))          sizer.Add(wx.StaticText(self, -1, _("Central Meridian:")))
907          sizer.Add(self.__meridian, 0, wxALL, 4)          sizer.Add(self.__meridian, 0, wx.ALL, 4)
908          sizer.Add(wxStaticText(self, -1, _("Latitude of origin:")))          sizer.Add(wx.StaticText(self, -1, _("Latitude of origin:")))
909          sizer.Add(self.__originLat, 0, wxALL, 4)          sizer.Add(self.__originLat, 0, wx.ALL, 4)
910          sizer.Add(wxStaticText(self, -1, _("False Easting:")))          sizer.Add(wx.StaticText(self, -1, _("False Easting:")))
911          sizer.Add(self.__falseEast, 0, wxALL, 4)          sizer.Add(self.__falseEast, 0, wx.ALL, 4)
912          sizer.Add(wxStaticText(self, -1, _("False Northing:")))          sizer.Add(wx.StaticText(self, -1, _("False Northing:")))
913          sizer.Add(self.__falseNorth, 0, wxALL, 4)          sizer.Add(self.__falseNorth, 0, wx.ALL, 4)
914    
915          ProjPanel._DoLayout(self, sizer)          ProjPanel._DoLayout(self, sizer)
916    
917      def GetProjName(self):      def GetProjName(self):
918          return _("Lambert Conic Conformal")          return _("Lambert Conic Conformal")
919            
920      def SetProjection(self, proj):      def SetProjection(self, proj):
921          self.__fspLatitude.SetValue(proj.GetParameter("lat_1"))          self.__fspLatitude.SetValue(proj.GetParameter("lat_1"))
922          self.__sspLatitude.SetValue(proj.GetParameter("lat_2"))          self.__sspLatitude.SetValue(proj.GetParameter("lat_2"))
# Line 893  class LCCPanel(ProjPanel): Line 928  class LCCPanel(ProjPanel):
928          ProjPanel.SetProjection(self, proj)          ProjPanel.SetProjection(self, proj)
929    
930      def GetParameters(self):      def GetParameters(self):
931          params = ["proj=lcc",          params = ["proj=lcc",
932                    "lat_1=" + self.__fspLatitude.GetValue(),                    "lat_1=" + self.__fspLatitude.GetValue(),
933                    "lat_2=" + self.__sspLatitude.GetValue(),                    "lat_2=" + self.__sspLatitude.GetValue(),
934                    "lat_0=" + self.__originLat.GetValue(),                    "lat_0=" + self.__originLat.GetValue(),
# Line 914  class LCCPanel(ProjPanel): Line 949  class LCCPanel(ProjPanel):
949    
950          ProjPanel.Clear(self)          ProjPanel.Clear(self)
951    
952  class GeoPanel(ProjPanel):  class GeoPanel(ProjPanel):
953      """Projection Panel for a Geographic Projection."""      """Projection Panel for a Geographic Projection."""
954    
955      def __init__(self, parent, receiver):      def __init__(self, parent, receiver):
# Line 923  class GeoPanel(ProjPanel): Line 958  class GeoPanel(ProjPanel):
958          self.__choices = [(_("Degrees"), "0.017453"),          self.__choices = [(_("Degrees"), "0.017453"),
959                            (_("Radians"), "1")]                            (_("Radians"), "1")]
960    
961          self.__scale = wxChoice(self, -1)          self.__scale = wx.Choice(self, -1)
962          for choice, value in self.__choices:          for choice, value in self.__choices:
963              self.__scale.Append(choice, value)              self.__scale.Append(choice, value)
964    
# Line 931  class GeoPanel(ProjPanel): Line 966  class GeoPanel(ProjPanel):
966    
967      def GetProjName(self):      def GetProjName(self):
968          return _("Geographic")          return _("Geographic")
969            
970      def SetProjection(self, proj):      def SetProjection(self, proj):
971          value = proj.GetParameter("to_meter")          value = proj.GetParameter("to_meter")
972          for i in range(len(self.__choices)):          for i in range(len(self.__choices)):
# Line 941  class GeoPanel(ProjPanel): Line 976  class GeoPanel(ProjPanel):
976          ProjPanel.SetProjection(self, proj)          ProjPanel.SetProjection(self, proj)
977    
978      def GetParameters(self):      def GetParameters(self):
979          params = ["proj=latlong",          params = ["proj=latlong",
980                    "to_meter=%s" % self.__scale.GetClientData(                    "to_meter=%s" % self.__scale.GetClientData(
981                                    self.__scale.GetSelection())]                                    self.__scale.GetSelection())]
982    
# Line 952  class GeoPanel(ProjPanel): Line 987  class GeoPanel(ProjPanel):
987          ProjPanel.Clear(self)          ProjPanel.Clear(self)
988    
989      def _DoLayout(self):      def _DoLayout(self):
990          sizer = wxBoxSizer(wxHORIZONTAL)          sizer = wx.BoxSizer(wx.HORIZONTAL)
991    
992          sizer.Add(wxStaticText(self, -1, _("Source Data is in: ")),          sizer.Add(wx.StaticText(self, -1, _("Source Data is in: ")),
993                    0, wxALL|wxALIGN_CENTER_VERTICAL, 4)                    0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 4)
994          sizer.Add(self.__scale, 1, wxEXPAND|wxALL, 4)          sizer.Add(self.__scale, 1, wx.EXPAND|wx.ALL, 4)
995    
996          self.__scale.SetSelection(0)          self.__scale.SetSelection(0)
997    
# Line 965  class GeoPanel(ProjPanel): Line 1000  class GeoPanel(ProjPanel):
1000    
1001  ID_UTM_PROPOSE_ZONE_DIALOG_TAKE   = 4001  ID_UTM_PROPOSE_ZONE_DIALOG_TAKE   = 4001
1002  ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL = 4002  ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL = 4002
1003  class UTMProposeZoneDialog(wxDialog):  class UTMProposeZoneDialog(wx.Dialog):
1004    
1005      """Propose a sensible Zone considering the current map extent."""      """Propose a sensible Zone considering the current map extent."""
1006    
1007      def __init__(self, parent, (x, y, x2, y2)):      def __init__(self, parent, (x, y, x2, y2)):
1008          wxDialog.__init__(self, parent, -1, _("Projection: Propose UTM Zone"),          wx.Dialog.__init__(self, parent, -1, _("Projection: Propose UTM Zone"),
1009                            wxDefaultPosition, wxSize(200, 100))                            wx.DefaultPosition, wx.Size(200, 100))
1010          self.parent = parent          self.parent = parent
1011          x = x + 180          x = x + 180
1012          x2 = x2 + 180          x2 = x2 + 180
# Line 980  class UTMProposeZoneDialog(wxDialog): Line 1015  class UTMProposeZoneDialog(wxDialog):
1015          self.dialogLayout()          self.dialogLayout()
1016    
1017      def dialogLayout(self):      def dialogLayout(self):
1018          topBox = wxBoxSizer(wxVERTICAL)          topBox = wx.BoxSizer(wx.VERTICAL)
1019    
1020          textBox = wxBoxSizer(wxVERTICAL)          textBox = wx.BoxSizer(wx.VERTICAL)
1021          textBox.Add(wxStaticText(self, -1, _("The current map extent center "          textBox.Add(wx.StaticText(self, -1, _("The current map extent center "
1022                                               "lies in UTM Zone")),                                               "lies in UTM Zone")),
1023                      0, wxALIGN_CENTER|wxALL, 4)                      0, wx.ALIGN_CENTER|wx.ALL, 4)
1024          textBox.Add(wxStaticText(self, -1, str(self.proposedZone)),          textBox.Add(wx.StaticText(self, -1, str(self.proposedZone)),
1025                      0, wxALIGN_CENTER|wxALL, 4)                      0, wx.ALIGN_CENTER|wx.ALL, 4)
1026    
1027          topBox.Add(textBox, 1, wxEXPAND|wxALL, 4)          topBox.Add(textBox, 1, wx.EXPAND|wx.ALL, 4)
1028    
1029          buttonBox = wxBoxSizer(wxHORIZONTAL)          buttonBox = wx.BoxSizer(wx.HORIZONTAL)
1030          buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE,          buttonBox.Add(wx.Button(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE,
1031                        _("Take")), 0, wxALL, 4)                        _("Take")), 0, wx.ALL, 4)
1032          buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL,          buttonBox.Add(wx.Button(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL,
1033                                 _("Cancel")), 0, wxALL, 4)                                 _("Cancel")), 0, wx.ALL, 4)
1034          topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 10)          topBox.Add(buttonBox, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ALL, 10)
1035          EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, self.OnTake)          self.Bind(wx.EVT_BUTTON, self.OnTake, id=ID_UTM_PROPOSE_ZONE_DIALOG_TAKE)
1036          EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, self.OnCancel)          self.Bind(wx.EVT_BUTTON, self.OnCancel, id=ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL)
1037    
1038          self.SetAutoLayout(True)          self.SetAutoLayout(True)
1039          self.SetSizer(topBox)          self.SetSizer(topBox)
# Line 1006  class UTMProposeZoneDialog(wxDialog): Line 1041  class UTMProposeZoneDialog(wxDialog):
1041          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
1042    
1043      def OnTake(self, event):      def OnTake(self, event):
1044          self.EndModal(wxID_OK)          self.EndModal(wx.ID_OK)
1045    
1046      def OnCancel(self, event):      def OnCancel(self, event):
1047          self.EndModal(wxID_CANCEL)          self.EndModal(wx.ID_CANCEL)
1048    
1049      def GetProposedZone(self):      def GetProposedZone(self):
1050          return self.proposedZone          return self.proposedZone
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