1 |
# Copyright (c) 2003 by Intevation GmbH |
2 |
# Authors: |
3 |
# Jonathan Coles <[email protected]> |
4 |
# Frank Koormann <[email protected]> |
5 |
# |
6 |
# This program is free software under the GPL (>=v2) |
7 |
# Read the file COPYING coming with Thuban for details. |
8 |
|
9 |
"""Projection dialog""" |
10 |
|
11 |
__version__ = "$Revision$" |
12 |
# $Source$ |
13 |
# $Id$ |
14 |
|
15 |
import os, sys, math |
16 |
from wxPython.wx import * |
17 |
|
18 |
from Thuban import _ |
19 |
|
20 |
from Thuban.Model.proj import Projection, ProjFile |
21 |
|
22 |
from Thuban.Model.resource import get_user_proj_files, get_system_proj_files, \ |
23 |
read_proj_file, write_proj_file |
24 |
from Thuban.UI.dialogs import NonModalNonParentDialog |
25 |
|
26 |
|
27 |
ID_PROJ_ADVANCED = 4001 |
28 |
ID_PROJ_PROJCHOICE = 4002 |
29 |
ID_PROJ_ADDTOLIST = 4003 |
30 |
ID_PROJ_NEW = 4004 |
31 |
ID_PROJ_REVERT = 4006 |
32 |
ID_PROJ_AVAIL = 4009 |
33 |
ID_PROJ_SAVE = 4010 |
34 |
ID_PROJ_IMPORT = 4011 |
35 |
ID_PROJ_EXPORT = 4012 |
36 |
ID_PROJ_REMOVE = 4013 |
37 |
ID_PROJ_PROJNAME = 4014 |
38 |
|
39 |
CLIENT_PROJ = 0 |
40 |
CLIENT_PROJFILE = 1 |
41 |
|
42 |
class ProjFrame(NonModalNonParentDialog): |
43 |
|
44 |
def __init__(self, parent, name, title, receiver): |
45 |
"""Initialize the projection dialog. |
46 |
|
47 |
receiver -- An object that implements the following methods: |
48 |
SetProjection(projection) |
49 |
GetProjection() |
50 |
""" |
51 |
|
52 |
self.receiver = receiver |
53 |
self.haveTried = False |
54 |
self.curProjPanel = None |
55 |
|
56 |
self.projPanels = [] |
57 |
self.projPanels.append( |
58 |
("tmerc", _("Transverse Mercator"), TMPanel)) |
59 |
self.projPanels.append( |
60 |
("utm", _("Universal Transverse Mercator"), UTMPanel)) |
61 |
self.projPanels.append( |
62 |
("lcc", _("Lambert Conic Conformal"), LCCPanel)) |
63 |
self.projPanels.append( |
64 |
("latlong", _("Geographic"), GeoPanel)) |
65 |
|
66 |
NonModalNonParentDialog.__init__(self, parent, name, title) |
67 |
# originally generate by wxGlade |
68 |
self.panel_1 = wxPanel(self, -1) |
69 |
self.panel_edit = wxPanel(self, -1) |
70 |
self.label_5 = wxStaticText(self.panel_1, -1, |
71 |
_("Available Projections:")) |
72 |
|
73 |
# Projection List specific actions (Import/Export/Remove) |
74 |
self.button_import = wxButton(self.panel_1, ID_PROJ_IMPORT, |
75 |
_("Import...")) |
76 |
self.button_export = wxButton(self.panel_1, ID_PROJ_EXPORT, |
77 |
_("Export...")) |
78 |
self.button_remove = wxButton(self.panel_1, ID_PROJ_REMOVE, |
79 |
_("Remove")) |
80 |
|
81 |
# The Projection List |
82 |
self.availprojs = wxListBox(self.panel_1, ID_PROJ_AVAIL, |
83 |
style=wxLB_EXTENDED|wxLB_SORT) |
84 |
self.projfilepath = wxStaticText(self.panel_1, -1, "") |
85 |
|
86 |
# Projection Specific Entries (Name/Projection) |
87 |
self.label_2 = wxStaticText(self.panel_edit, -1, _("Name:")) |
88 |
self.projname = wxTextCtrl(self.panel_edit, ID_PROJ_PROJNAME, "") |
89 |
self.label_3 = wxStaticText(self.panel_edit, -1, _("Projection:")) |
90 |
self.projchoice = wxChoice(self.panel_edit, ID_PROJ_PROJCHOICE) |
91 |
|
92 |
# Projection Specific actions (New/Save/Add) |
93 |
self.button_new = wxButton(self.panel_edit, ID_PROJ_NEW, _("New")) |
94 |
self.button_add = wxButton(self.panel_edit, ID_PROJ_ADDTOLIST, |
95 |
_("Add to List")) |
96 |
self.button_save = wxButton(self.panel_edit, ID_PROJ_SAVE,_("Update")) |
97 |
|
98 |
# Main Action buttons (Try/Revert/OK/Close) |
99 |
self.button_try = wxButton(self, wxID_APPLY, _("Try")) |
100 |
self.button_revert = wxButton(self, ID_PROJ_REVERT, |
101 |
_("Revert")) |
102 |
self.button_ok = wxButton(self, wxID_OK, _("OK")) |
103 |
self.button_ok.SetDefault() |
104 |
self.button_close = wxButton(self, wxID_CANCEL, |
105 |
_("Close")) |
106 |
|
107 |
self.__set_properties() |
108 |
self.__do_layout() |
109 |
|
110 |
# wxGlade |
111 |
|
112 |
# Fill the projection choice list. |
113 |
for proj, name, clazz in self.projPanels: |
114 |
self.projchoice.Append(name, [clazz, None]) |
115 |
|
116 |
self.originalProjection = self.receiver.GetProjection() |
117 |
|
118 |
self.__DoOnProjAvail() |
119 |
self.button_ok.SetFocus() |
120 |
self.availprojs.SetFocus() |
121 |
|
122 |
EVT_BUTTON(self, wxID_APPLY, self.OnApply) |
123 |
EVT_BUTTON(self, ID_PROJ_REVERT, self._OnRevert) |
124 |
EVT_BUTTON(self, wxID_OK, self.OnOK) |
125 |
EVT_BUTTON(self, wxID_CANCEL, self.OnCancel) |
126 |
EVT_CHOICE(self, ID_PROJ_PROJCHOICE, self._OnProjChoice) |
127 |
EVT_LISTBOX(self, ID_PROJ_AVAIL, self._OnProjAvail) |
128 |
EVT_BUTTON(self, ID_PROJ_IMPORT, self._OnImport) |
129 |
EVT_BUTTON(self, ID_PROJ_EXPORT, self._OnExport) |
130 |
EVT_BUTTON(self, ID_PROJ_REMOVE, self._OnRemove) |
131 |
|
132 |
EVT_BUTTON(self, ID_PROJ_NEW, self._OnNew) |
133 |
EVT_BUTTON(self, ID_PROJ_SAVE, self._OnSave) |
134 |
EVT_BUTTON(self, ID_PROJ_ADDTOLIST, self._OnAddToList) |
135 |
|
136 |
EVT_TEXT(self, ID_PROJ_PROJNAME, self._OnProjName) |
137 |
|
138 |
def OnApply(self, event): |
139 |
self.__SetProjection() |
140 |
self.haveTried = True |
141 |
|
142 |
def OnOK(self, event): |
143 |
self.__SetProjection() |
144 |
self.Close() |
145 |
|
146 |
def OnCancel(self, event): |
147 |
"""Cancel just closes the dialog, but we call it cancel so we |
148 |
can overload the functionality of wxDialog. |
149 |
""" |
150 |
self.Close() |
151 |
|
152 |
def _OnRevert(self, event): |
153 |
if self.haveTried: |
154 |
self.receiver.SetProjection(self.originalProjection) |
155 |
self.haveTried = False |
156 |
|
157 |
def _OnNew(self, event): |
158 |
|
159 |
# clear all selections |
160 |
sel = self.availprojs.GetSelections() |
161 |
for index in sel: |
162 |
self.availprojs.SetSelection(index, False) |
163 |
|
164 |
self.projname.Clear() |
165 |
|
166 |
# supply a projection panel if there wasn't one |
167 |
if self.curProjPanel is None: |
168 |
self.projchoice.SetSelection(0) |
169 |
self.__DoOnProjChoice() |
170 |
|
171 |
self.curProjPanel.Clear() |
172 |
|
173 |
def _OnSave(self, event): |
174 |
|
175 |
sel = self.availprojs.GetSelections() |
176 |
assert len(sel) == 1, "button shouldn't be enabled" |
177 |
|
178 |
proj, projfile = self.availprojs.GetClientData(sel[0]) |
179 |
|
180 |
assert proj is not None and projfile is not None |
181 |
|
182 |
newproj = self.__GetProjection() |
183 |
|
184 |
if newproj is not None: |
185 |
projfile.Replace(proj, newproj) |
186 |
try: |
187 |
write_proj_file(projfile) |
188 |
except IOError, (errno, errstr): |
189 |
self.__ShowError(projfile.GetFilename(), errstr) |
190 |
self.availprojs.SetClientData(sel[0], [newproj, projfile]) |
191 |
|
192 |
self.__FillAvailList( selectProj = newproj.GetName()) |
193 |
|
194 |
def _OnAddToList(self, event): |
195 |
|
196 |
proj = self.__GetProjection() |
197 |
if proj is not None: |
198 |
self.__usrProjFile.Add(proj) |
199 |
try: |
200 |
write_proj_file(self.__usrProjFile) |
201 |
except IOError, (errno, errstr): |
202 |
self.__ShowError(self.__userProjFile.GetFilename(), errstr) |
203 |
|
204 |
self.__FillAvailList( selectProj = proj.GetName()) |
205 |
|
206 |
def _OnProjAvail(self, event): |
207 |
self.__DoOnProjAvail() |
208 |
|
209 |
def _OnImport(self, event): |
210 |
|
211 |
dlg = wxFileDialog(self, _("Import"), style = wxOPEN) |
212 |
|
213 |
if dlg.ShowModal() == wxID_OK: |
214 |
path = dlg.GetPath() |
215 |
|
216 |
try: |
217 |
projFile = read_proj_file(path) |
218 |
for proj in projFile.GetProjections(): |
219 |
self.__usrProjFile.Add(proj) |
220 |
write_proj_file(self.__usrProjFile) |
221 |
except IOError, (errno, errstr): |
222 |
self.__ShowError(dlg.GetPath(), errstr) |
223 |
|
224 |
self.__FillAvailList() |
225 |
|
226 |
dlg.Destroy() |
227 |
|
228 |
def _OnExport(self, event): |
229 |
|
230 |
sel = self.availprojs.GetSelections() |
231 |
assert len(sel) != 0, "button should be disabled" |
232 |
|
233 |
dlg = wxFileDialog(self, _("Export"), |
234 |
style = wxSAVE|wxOVERWRITE_PROMPT) |
235 |
|
236 |
if dlg.ShowModal() == wxID_OK: |
237 |
path = dlg.GetPath() |
238 |
|
239 |
projFile = ProjFile(path) |
240 |
|
241 |
for i in sel: |
242 |
proj = self.availprojs.GetClientData(i)[CLIENT_PROJ] |
243 |
if proj is not None: |
244 |
projFile.Add(proj) |
245 |
|
246 |
try: |
247 |
write_proj_file(projFile) |
248 |
except IOError, (errno, errstr): |
249 |
self.__ShowError(dlg.GetPath(), errstr) |
250 |
|
251 |
dlg.Destroy() |
252 |
|
253 |
def _OnRemove(self, event): |
254 |
|
255 |
sel = self.availprojs.GetSelections() |
256 |
assert len(sel) != 0, "button should be disabled!" |
257 |
|
258 |
# |
259 |
# remove the items backwards so the indices don't change |
260 |
# |
261 |
sel = list(sel) |
262 |
sel.sort() |
263 |
sel.reverse() |
264 |
|
265 |
newselection = -1 |
266 |
if len(sel) == 1: |
267 |
newselection = sel[0] - 1 |
268 |
if newselection < 0: |
269 |
newselection = 0 |
270 |
|
271 |
for i in sel: |
272 |
proj, projfile = self.availprojs.GetClientData(i) |
273 |
|
274 |
# |
275 |
# this could be the case if they selected <None> or |
276 |
# the currently used projection |
277 |
# |
278 |
if proj is not None and projfile is not None: |
279 |
projfile.Remove(proj) |
280 |
|
281 |
try: |
282 |
write_proj_file(projfile) |
283 |
except IOError, (errno, errstr): |
284 |
self.__ShowError(projfile.GetFilename(), errstr) |
285 |
|
286 |
self.__FillAvailList() |
287 |
|
288 |
# |
289 |
# this *could* produce incorrect results if the .proj files |
290 |
# change between the last list update and this selection |
291 |
# because the list has been repopulated. |
292 |
# |
293 |
if newselection != -1 and self.availprojs.GetCount() > 0: |
294 |
self.availprojs.SetSelection(newselection) |
295 |
|
296 |
self.__VerifyButtons() |
297 |
|
298 |
def _OnProjName(self, event): |
299 |
self.__VerifyButtons() |
300 |
|
301 |
def __ShowError(self, filename, errstr): |
302 |
wxMessageDialog(self, |
303 |
_("The following error occured:\n") + |
304 |
filename + "\n" + errstr, |
305 |
_("Error"), wxOK | wxICON_ERROR).ShowModal() |
306 |
|
307 |
def __VerifyButtons(self): |
308 |
"""Enable or disable the appropriate buttons based on the |
309 |
current state of the dialog. |
310 |
""" |
311 |
|
312 |
sel = self.availprojs.GetSelections() |
313 |
|
314 |
self.button_import.Enable(True) |
315 |
self.button_export.Enable(True) |
316 |
self.button_save.Enable(True) |
317 |
self.button_remove.Enable(True) |
318 |
|
319 |
self.panel_edit.Enable(True) |
320 |
|
321 |
for ctrl in [self.button_import, |
322 |
self.button_export, |
323 |
self.button_remove, |
324 |
self.button_save, |
325 |
self.button_add, |
326 |
self.projchoice, |
327 |
self.projname, |
328 |
self.panel_edit]: |
329 |
ctrl.Enable(True) |
330 |
|
331 |
if self.curProjPanel is not None: |
332 |
self.curProjPanel.Enable(True) |
333 |
|
334 |
if len(sel) == 0: |
335 |
self.button_import.Enable(True) |
336 |
self.button_export.Enable(False) |
337 |
self.button_remove.Enable(False) |
338 |
self.button_save.Enable(False) |
339 |
|
340 |
elif len(sel) == 1: |
341 |
|
342 |
proj, projFile = self.availprojs.GetClientData(sel[0]) |
343 |
|
344 |
self.button_save.Enable(len(self.projname.GetValue()) > 0) |
345 |
self.button_add.Enable(len(self.projname.GetValue()) > 0) |
346 |
|
347 |
if proj is None: |
348 |
# <None> is selected |
349 |
for ctrl in [self.button_export, |
350 |
self.button_remove, |
351 |
self.button_save, |
352 |
self.button_add, |
353 |
self.projchoice, |
354 |
self.projname]: |
355 |
ctrl.Enable(False) |
356 |
|
357 |
if self.curProjPanel is not None: |
358 |
self.curProjPanel.Enable(False) |
359 |
|
360 |
elif proj is self.originalProjection: |
361 |
self.button_remove.Enable(False) |
362 |
|
363 |
if projFile is None: |
364 |
self.button_save.Enable(False) |
365 |
|
366 |
else: |
367 |
self.panel_edit.Enable(False) |
368 |
|
369 |
def __DoOnProjAvail(self): |
370 |
|
371 |
sel = self.availprojs.GetSelections() |
372 |
if len(sel) == 1: |
373 |
|
374 |
proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ] |
375 |
projfile = self.availprojs.GetClientData(sel[0])[CLIENT_PROJFILE] |
376 |
|
377 |
if proj is None: |
378 |
# user selected <None> |
379 |
self.projname.Clear() |
380 |
self.projfilepath.SetLabel(_("Projection File: ")) |
381 |
else: |
382 |
|
383 |
if projfile is not None: |
384 |
self.projfilepath.SetLabel(_("Projection File: ") + |
385 |
os.path.basename(projfile.GetFilename())) |
386 |
else: |
387 |
# only None if the currently used projection is selected |
388 |
self.projfilepath.SetLabel(_("Projection File: ")) |
389 |
|
390 |
self.projname.SetValue(proj.GetName()) |
391 |
|
392 |
myProjType = proj.GetParameter("proj") |
393 |
i = 0 |
394 |
for projType, name, clazz in self.projPanels: |
395 |
if myProjType == projType: |
396 |
self.projchoice.SetSelection(i) |
397 |
self.__DoOnProjChoice() |
398 |
|
399 |
# |
400 |
# self.curProjPanel should not be null |
401 |
# after a call to __DoOnProjChoice |
402 |
# |
403 |
assert self.curProjPanel is not None |
404 |
|
405 |
self.curProjPanel.SetProjection(proj) |
406 |
i += 1 |
407 |
|
408 |
self.__VerifyButtons() |
409 |
|
410 |
def _OnProjChoice(self, event): |
411 |
self.__DoOnProjChoice() |
412 |
|
413 |
def __DoOnProjChoice(self): |
414 |
"""Create and layout a projection panel based on the selected |
415 |
projection type. |
416 |
|
417 |
This is necessary to have in seperate method since calls to |
418 |
wxChoice.SetSelection() do not trigger an event. |
419 |
|
420 |
At the end of this method self.curProjPanel will not be None |
421 |
if there was a item selected. |
422 |
""" |
423 |
|
424 |
choice = self.projchoice |
425 |
|
426 |
sel = choice.GetSelection() |
427 |
if sel != -1: |
428 |
|
429 |
clazz, obj = choice.GetClientData(sel) |
430 |
|
431 |
if obj is None: |
432 |
obj = clazz(self.panel_edit, self.receiver) |
433 |
choice.SetClientData(sel, [clazz, obj]) |
434 |
|
435 |
if self.curProjPanel is not None: |
436 |
self.curProjPanel.Hide() |
437 |
self.sizer_projctrls.Remove(self.curProjPanel) |
438 |
|
439 |
self.curProjPanel = obj |
440 |
self.curProjPanel.Show() |
441 |
|
442 |
self.sizer_projctrls.Add(self.curProjPanel, 1, |
443 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 3) |
444 |
self.sizer_projctrls.Layout() |
445 |
self.Layout() |
446 |
self.topBox.SetSizeHints(self) |
447 |
|
448 |
def __SetProjection(self): |
449 |
"""Set the receiver's projection.""" |
450 |
|
451 |
# |
452 |
# save the original projection only once in case |
453 |
# we try to apply several different projections |
454 |
# |
455 |
self.receiver.SetProjection(self.__GetProjection()) |
456 |
|
457 |
def __GetProjection(self): |
458 |
"""Return a suitable Projection object based on the current |
459 |
state of the dialog box selections. |
460 |
|
461 |
Could be None. |
462 |
""" |
463 |
|
464 |
sel = self.availprojs.GetSelections() |
465 |
assert len(sel) < 2, "button should be disabled" |
466 |
|
467 |
|
468 |
if len(sel) == 1: |
469 |
proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ] |
470 |
if proj is None: |
471 |
# <None> is selected |
472 |
return None |
473 |
|
474 |
# |
475 |
# self.curProjPanel should always contain the most |
476 |
# relevant data for a projection |
477 |
# |
478 |
if self.curProjPanel is not None: |
479 |
return Projection(self.curProjPanel.GetParameters(), |
480 |
self.projname.GetValue()) |
481 |
|
482 |
return None |
483 |
|
484 |
def __FillAvailList(self, selectCurrent = False, selectProj = None): |
485 |
"""Populate the list of available projections. |
486 |
|
487 |
selectCurrent -- if True, select the projection used by |
488 |
the receiver, otherwise select nothing. |
489 |
selectProj -- if set, select the projection found under the |
490 |
specified name. This overwrites any other |
491 |
selection estimate. |
492 |
""" |
493 |
|
494 |
self.availprojs.Clear() |
495 |
|
496 |
# |
497 |
# the list can never be empty. there will always be |
498 |
# at least this one item |
499 |
# |
500 |
self.availprojs.Append("<None>", (None, None)) |
501 |
|
502 |
projfile = get_system_proj_files() |
503 |
projfile = projfile[0] |
504 |
for proj in projfile.GetProjections(): |
505 |
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
506 |
self.__sysProjFile = projfile |
507 |
|
508 |
projfile = get_user_proj_files() |
509 |
projfile = projfile[0] |
510 |
for proj in projfile.GetProjections(): |
511 |
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
512 |
self.__usrProjFile = projfile |
513 |
|
514 |
# |
515 |
# We add the current projection to the list at last. |
516 |
# Since the list is resorted immediately a following FindString() |
517 |
# determines the index correctly. |
518 |
# |
519 |
proj = self.receiver.GetProjection() |
520 |
if proj is not None: |
521 |
proj_item = _("%s (current)") % proj.GetName() |
522 |
self.availprojs.Append(proj_item, [proj, None]) |
523 |
if selectCurrent: |
524 |
self.availprojs.SetSelection( |
525 |
self.availprojs.FindString(proj_item) |
526 |
) |
527 |
else: |
528 |
if selectCurrent: |
529 |
self.availprojs.SetSelection( |
530 |
self.availprojs.FindString("<None>") |
531 |
) |
532 |
if selectProj: |
533 |
self.availprojs.SetSelection( |
534 |
self.availprojs.FindString(selectProj) |
535 |
) |
536 |
|
537 |
|
538 |
|
539 |
def __set_properties(self): |
540 |
|
541 |
#self.availprojs.SetSelection(0) |
542 |
self.projchoice.SetSelection(0) |
543 |
|
544 |
self.__FillAvailList(selectCurrent = True) |
545 |
|
546 |
self.projname.SetMaxLength(32) |
547 |
|
548 |
def __do_layout(self): |
549 |
# originally generated by wxGlade |
550 |
|
551 |
self.topBox = wxBoxSizer(wxVERTICAL) |
552 |
self.sizer_panel = wxBoxSizer(wxVERTICAL) |
553 |
sizer_6 = wxBoxSizer(wxHORIZONTAL) |
554 |
self.sizer_mainbttns = wxBoxSizer(wxHORIZONTAL) |
555 |
self.sizer_mainctrls = wxBoxSizer(wxHORIZONTAL) |
556 |
self.sizer_edit = wxStaticBoxSizer(wxStaticBox(self.panel_edit, -1, _("Edit")), wxHORIZONTAL) |
557 |
sizer_11 = wxBoxSizer(wxVERTICAL) |
558 |
self.sizer_projctrls = wxBoxSizer(wxVERTICAL) |
559 |
sizer_14 = wxBoxSizer(wxHORIZONTAL) |
560 |
sizer_13 = wxBoxSizer(wxHORIZONTAL) |
561 |
sizer_15 = wxBoxSizer(wxVERTICAL) |
562 |
sizer_15.Add(self.button_import, 0, wxALL, 4) |
563 |
sizer_15.Add(self.button_export, 0, wxALL, 4) |
564 |
sizer_15.Add(20, 20, 0, wxEXPAND, 0) |
565 |
sizer_15.Add(self.button_remove, 0, wxALL|wxALIGN_BOTTOM, 4) |
566 |
|
567 |
# list controls |
568 |
grid_sizer_1 = wxFlexGridSizer(3, 2, 0, 0) |
569 |
grid_sizer_1.Add(self.label_5, 0, wxLEFT|wxRIGHT|wxTOP, 4) |
570 |
grid_sizer_1.Add(20, 20, 0, wxEXPAND, 0) |
571 |
grid_sizer_1.Add(self.availprojs, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4) |
572 |
grid_sizer_1.Add(sizer_15, 0, wxALL|wxEXPAND, 4) |
573 |
grid_sizer_1.Add(self.projfilepath, 0, wxEXPAND|wxALL|wxADJUST_MINSIZE, 4) |
574 |
grid_sizer_1.AddGrowableRow(1) |
575 |
grid_sizer_1.AddGrowableCol(0) |
576 |
|
577 |
# edit controls |
578 |
sizer_13.Add(self.label_2, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
579 |
sizer_13.Add(self.projname, 1, wxALL, 4) |
580 |
self.sizer_projctrls.Add(sizer_13, 0, wxEXPAND, 0) |
581 |
sizer_14.Add(self.label_3, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
582 |
sizer_14.Add(self.projchoice, 1, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
583 |
self.sizer_projctrls.Add(sizer_14, 0, wxEXPAND, 0) |
584 |
self.sizer_edit.Add(self.sizer_projctrls, 1, wxEXPAND, 0) |
585 |
sizer_11.Add(self.button_new, 0, wxEXPAND|wxALL, 4) |
586 |
sizer_11.Add(self.button_add, 0, wxEXPAND|wxALL, 4) |
587 |
sizer_11.Add(20, 20, 0, wxEXPAND, 0) |
588 |
sizer_11.Add(self.button_save, 0, wxEXPAND|wxALL|wxALIGN_BOTTOM, 4) |
589 |
self.sizer_edit.Add(sizer_11, 0, wxALL|wxEXPAND, 4) |
590 |
|
591 |
sizer_6.Add(self.button_try, 0, wxRIGHT| wxEXPAND, 10) |
592 |
sizer_6.Add(self.button_revert, 0, wxRIGHT| wxEXPAND, 10) |
593 |
sizer_6.Add(self.button_ok, 0, wxRIGHT| wxEXPAND, 10) |
594 |
sizer_6.Add(self.button_close, 0, wxRIGHT| wxEXPAND, 10) |
595 |
|
596 |
self.panel_1.SetAutoLayout(1) |
597 |
self.panel_1.SetSizer(grid_sizer_1) |
598 |
grid_sizer_1.Fit(self.panel_1) |
599 |
grid_sizer_1.SetSizeHints(self.panel_1) |
600 |
|
601 |
self.panel_edit.SetAutoLayout(1) |
602 |
self.panel_edit.SetSizer(self.sizer_edit) |
603 |
self.sizer_edit.Fit(self.panel_edit) |
604 |
self.sizer_edit.SetSizeHints(self.panel_edit) |
605 |
|
606 |
self.sizer_mainctrls.Add(self.panel_1, 0, |
607 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 0) |
608 |
self.sizer_mainctrls.Add(self.panel_edit, 1, |
609 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 0) |
610 |
|
611 |
self.sizer_mainbttns.Add(sizer_6, 0, |
612 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 10) |
613 |
|
614 |
self.topBox.Add(self.sizer_mainctrls, 1, wxALL|wxEXPAND, 4) |
615 |
self.topBox.Add(self.sizer_mainbttns, 0, wxALIGN_RIGHT|wxBOTTOM, 0) |
616 |
|
617 |
self.SetAutoLayout(1) |
618 |
self.SetSizer(self.topBox) |
619 |
self.topBox.Fit(self) |
620 |
self.topBox.SetSizeHints(self) |
621 |
self.Layout() |
622 |
|
623 |
# end of class ProjFrame |
624 |
|
625 |
|
626 |
class ProjPanel(wxPanel): |
627 |
"""Base class for all projection panels.""" |
628 |
|
629 |
def __init__(self, parent): |
630 |
wxPanel.__init__(self, parent, -1) |
631 |
|
632 |
self.__ellps = wxChoice(self, -1) |
633 |
self.ellpsData = [("airy" , _("Airy")), |
634 |
("bessel", _("Bessel 1841")), |
635 |
("clrk66", _("Clarke 1866")), |
636 |
("clrk80", _("Clarke 1880")), |
637 |
("GRS80" , _("GRS 1980 (IUGG, 1980)")), |
638 |
("intl" , _("International 1909 (Hayford)")), |
639 |
("WGS84" , _("WGS 84"))] |
640 |
|
641 |
for tag, name in self.ellpsData: |
642 |
self.__ellps.Append(name, tag) |
643 |
|
644 |
self.__ellps.SetSelection(0) |
645 |
|
646 |
def _DoLayout(self, childPanel = None): |
647 |
|
648 |
panelSizer = wxBoxSizer(wxVERTICAL) |
649 |
|
650 |
sizer = wxBoxSizer(wxHORIZONTAL) |
651 |
sizer.Add(wxStaticText(self, -1, _("Ellipsoid:")), 0, |
652 |
wxALL|wxALIGN_CENTER_VERTICAL, 4) |
653 |
sizer.Add(self.__ellps, 1, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
654 |
panelSizer.Add(sizer, 0, wxALL|wxEXPAND, 4) |
655 |
|
656 |
if childPanel is not None: |
657 |
panelSizer.Add(childPanel, 0, wxEXPAND, 0) |
658 |
|
659 |
self.SetAutoLayout(1) |
660 |
self.SetSizer(panelSizer) |
661 |
panelSizer.Fit(self) |
662 |
panelSizer.SetSizeHints(self) |
663 |
self.Layout() |
664 |
|
665 |
def SetProjection(self, proj): |
666 |
if proj is not None: |
667 |
param = proj.GetParameter("ellps") |
668 |
i = 0 |
669 |
for tag, name in self.ellpsData: |
670 |
if param == tag: |
671 |
self.__ellps.SetSelection(i) |
672 |
return # returning early! |
673 |
i += 1 |
674 |
|
675 |
# |
676 |
# if proj is none, or the parameter couldn't be found... |
677 |
# |
678 |
self.__ellps.SetSelection(0) |
679 |
|
680 |
def GetParameters(self): |
681 |
return ["ellps=" + self.__ellps.GetClientData( |
682 |
self.__ellps.GetSelection())] |
683 |
|
684 |
|
685 |
ID_TMPANEL_LAT = 4001 |
686 |
ID_TMPANEL_LONG = 4002 |
687 |
ID_TMPANEL_FASLE_EAST = 4003 |
688 |
ID_TMPANEL_FALSE_NORTH = 4004 |
689 |
ID_TMPANEL_SCALE = 4005 |
690 |
|
691 |
class UnknownProjPanel(ProjPanel): |
692 |
def __init__(self, parent, receiver): |
693 |
ProjPanel.__init__(self, parent) |
694 |
|
695 |
self._DoLayout() |
696 |
|
697 |
def _DoLayout(self): |
698 |
sizer = wxBoxSizer(wxVERTICAL) |
699 |
|
700 |
sizer.Add(wxStaticText(self, -1, |
701 |
_("Thuban does not know the parameters for the " + |
702 |
"current projection and cannot display a " + |
703 |
"configuration panel."))) |
704 |
|
705 |
ProjPanel._DoLayout(self, sizer) |
706 |
|
707 |
def GetProjName(self): |
708 |
return "Unknown" |
709 |
|
710 |
def SetProjection(self, proj): |
711 |
pass |
712 |
|
713 |
def GetParameters(self): |
714 |
return None |
715 |
|
716 |
class TMPanel(ProjPanel): |
717 |
"""Projection panel for Transverse Mercator.""" |
718 |
|
719 |
def __init__(self, parent, receiver): |
720 |
ProjPanel.__init__(self, parent) |
721 |
|
722 |
self.__latitude = wxTextCtrl(self, ID_TMPANEL_LAT) |
723 |
self.__longitude = wxTextCtrl(self, ID_TMPANEL_LONG) |
724 |
self.__scale = wxTextCtrl(self, ID_TMPANEL_SCALE) |
725 |
self.__falseEast = wxTextCtrl(self, ID_TMPANEL_FASLE_EAST) |
726 |
self.__falseNorth = wxTextCtrl(self, ID_TMPANEL_FALSE_NORTH) |
727 |
|
728 |
self._DoLayout() |
729 |
|
730 |
def _DoLayout(self): |
731 |
|
732 |
sizer = wxFlexGridSizer(4, 4, 0, 0) |
733 |
sizer.Add(wxStaticText(self, -1, _("Latitude:")), 0, wxALL, 4) |
734 |
sizer.Add(self.__latitude, 0, wxALL, 4) |
735 |
sizer.Add(wxStaticText(self, -1, _("False Easting:")), 0, wxALL, 4) |
736 |
sizer.Add(self.__falseEast, 0, wxALL, 4) |
737 |
sizer.Add(wxStaticText(self, -1, _("Longitude:")), 0, wxALL, 4) |
738 |
sizer.Add(self.__longitude, 0, wxALL, 4) |
739 |
sizer.Add(wxStaticText(self, -1, _("False Northing:")), 0, wxALL, 4) |
740 |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
741 |
sizer.Add(wxStaticText(self, -1, _("Scale Factor:")), 0, wxALL, 4) |
742 |
sizer.Add(self.__scale, 0, wxALL, 4) |
743 |
|
744 |
ProjPanel._DoLayout(self, sizer) |
745 |
|
746 |
def GetProjName(self): |
747 |
return _("Transverse Mercator") |
748 |
|
749 |
def SetProjection(self, proj): |
750 |
ProjPanel.SetProjection(self, proj) |
751 |
|
752 |
self.__latitude.SetValue(proj.GetParameter("lat_0")) |
753 |
self.__longitude.SetValue(proj.GetParameter("lon_0")) |
754 |
self.__falseEast.SetValue(proj.GetParameter("x_0")) |
755 |
self.__falseNorth.SetValue(proj.GetParameter("y_0")) |
756 |
self.__scale.SetValue(proj.GetParameter("k")) |
757 |
|
758 |
ProjPanel.SetProjection(self, proj) |
759 |
|
760 |
def GetParameters(self): |
761 |
params = ["proj=tmerc", |
762 |
"lat_0=" + self.__latitude.GetValue(), |
763 |
"lon_0=" + self.__longitude.GetValue(), |
764 |
"x_0=" + self.__falseEast.GetValue(), |
765 |
"y_0=" + self.__falseNorth.GetValue(), |
766 |
"k=" + self.__scale.GetValue()] |
767 |
params.extend(ProjPanel.GetParameters(self)) |
768 |
return params |
769 |
|
770 |
def Clear(self): |
771 |
self.__latitude.Clear() |
772 |
self.__longitude.Clear() |
773 |
self.__falseEast.Clear() |
774 |
self.__falseNorth.Clear() |
775 |
self.__scale.Clear() |
776 |
|
777 |
ProjPanel.Clear(self) |
778 |
|
779 |
ID_UTMPANEL_ZONE = 4001 |
780 |
ID_UTMPANEL_SOUTH = 4002 |
781 |
ID_UTMPANEL_PROP = 4003 |
782 |
|
783 |
class UTMPanel(ProjPanel): |
784 |
"""Projection Panel for Universal Transverse Mercator.""" |
785 |
|
786 |
def __init__(self, parent, receiver): |
787 |
ProjPanel.__init__(self, parent) |
788 |
|
789 |
self.receiver = receiver |
790 |
|
791 |
self.__zone = wxSpinCtrl(self, ID_UTMPANEL_ZONE, "1", min=1, max=60) |
792 |
self.__propButton = wxButton(self, ID_UTMPANEL_PROP, _("Propose")) |
793 |
self.__south = wxCheckBox(self, ID_UTMPANEL_SOUTH, |
794 |
_("Southern Hemisphere")) |
795 |
|
796 |
self._DoLayout() |
797 |
|
798 |
EVT_BUTTON(self, ID_UTMPANEL_PROP, self._OnPropose) |
799 |
|
800 |
def _DoLayout(self): |
801 |
|
802 |
sizer = wxBoxSizer(wxVERTICAL) |
803 |
psizer = wxBoxSizer(wxHORIZONTAL) |
804 |
psizer.Add(wxStaticText(self, -1, _("Zone:")), 0, wxALL, 4) |
805 |
psizer.Add(self.__zone, 0, wxALL, 4) |
806 |
psizer.Add(self.__propButton, 0, wxALL, 4) |
807 |
sizer.Add(psizer, 0, wxALL, 4) |
808 |
sizer.Add(self.__south, 0, wxALL, 4) |
809 |
|
810 |
ProjPanel._DoLayout(self, sizer) |
811 |
|
812 |
def GetProjName(self): |
813 |
return _("Universal Transverse Mercator") |
814 |
|
815 |
def SetProjection(self, proj): |
816 |
self.__zone.SetValue(int(proj.GetParameter("zone"))) |
817 |
self.__south.SetValue(proj.GetParameter("south") != "") |
818 |
ProjPanel.SetProjection(self, proj) |
819 |
|
820 |
def GetParameters(self): |
821 |
params = ["proj=utm", "zone=" + str(self.__zone.GetValue())] |
822 |
if self.__south.IsChecked(): |
823 |
params.append("south") |
824 |
|
825 |
params.extend(ProjPanel.GetParameters(self)) |
826 |
return params |
827 |
|
828 |
def Clear(self): |
829 |
self.__zone.SetValue(1) |
830 |
self.__south.SetValue(False) |
831 |
ProjPanel.Clear(self) |
832 |
|
833 |
def _OnPropose(self, event): |
834 |
UTMProposeZoneDialog |
835 |
dlg = UTMProposeZoneDialog(self, self.receiver.BoundingBox()) |
836 |
if dlg.ShowModal() == wxID_OK: |
837 |
self.__zone.SetValue(dlg.GetProposedZone()) |
838 |
|
839 |
class LCCPanel(ProjPanel): |
840 |
"""Projection Panel for Lambert Conic Conformal.""" |
841 |
|
842 |
def __init__(self, parent, receiver): |
843 |
ProjPanel.__init__(self, parent) |
844 |
|
845 |
self.__fspLatitude = wxTextCtrl(self, -1) |
846 |
self.__sspLatitude = wxTextCtrl(self, -1) |
847 |
self.__originLat = wxTextCtrl(self, -1) |
848 |
self.__meridian = wxTextCtrl(self, -1) |
849 |
self.__falseEast = wxTextCtrl(self, -1) |
850 |
self.__falseNorth = wxTextCtrl(self, -1) |
851 |
|
852 |
self._DoLayout() |
853 |
|
854 |
def _DoLayout(self): |
855 |
|
856 |
sizer = wxFlexGridSizer(6, 2, 0, 0) |
857 |
sizer.Add(wxStaticText(self, -1, |
858 |
_("Latitude of first standard parallel:"))) |
859 |
sizer.Add(self.__fspLatitude, 0, wxALL, 4) |
860 |
sizer.Add(wxStaticText(self, -1, |
861 |
_("Latitude of second standard parallel:"))) |
862 |
sizer.Add(self.__sspLatitude, 0, wxALL, 4) |
863 |
sizer.Add(wxStaticText(self, -1, _("Central Meridian:"))) |
864 |
sizer.Add(self.__meridian, 0, wxALL, 4) |
865 |
sizer.Add(wxStaticText(self, -1, _("Latitude of origin:"))) |
866 |
sizer.Add(self.__originLat, 0, wxALL, 4) |
867 |
sizer.Add(wxStaticText(self, -1, _("False Easting:"))) |
868 |
sizer.Add(self.__falseEast, 0, wxALL, 4) |
869 |
sizer.Add(wxStaticText(self, -1, _("False Northing:"))) |
870 |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
871 |
|
872 |
ProjPanel._DoLayout(self, sizer) |
873 |
|
874 |
def GetProjName(self): |
875 |
return _("Lambert Conic Conformal") |
876 |
|
877 |
def SetProjection(self, proj): |
878 |
self.__fspLatitude.SetValue(proj.GetParameter("lat_1")) |
879 |
self.__sspLatitude.SetValue(proj.GetParameter("lat_2")) |
880 |
self.__originLat.SetValue(proj.GetParameter("lat_0")) |
881 |
self.__meridian.SetValue(proj.GetParameter("lon_0")) |
882 |
self.__falseEast.SetValue(proj.GetParameter("x_0")) |
883 |
self.__falseNorth.SetValue(proj.GetParameter("y_0")) |
884 |
|
885 |
ProjPanel.SetProjection(self, proj) |
886 |
|
887 |
def GetParameters(self): |
888 |
params = ["proj=lcc", |
889 |
"lat_1=" + self.__fspLatitude.GetValue(), |
890 |
"lat_2=" + self.__sspLatitude.GetValue(), |
891 |
"lat_0=" + self.__originLat.GetValue(), |
892 |
"lon_0=" + self.__meridian.GetValue(), |
893 |
"x_0=" + self.__falseEast.GetValue(), |
894 |
"y_0=" + self.__falseNorth.GetValue()] |
895 |
|
896 |
params.extend(ProjPanel.GetParameters(self)) |
897 |
return params |
898 |
|
899 |
def Clear(self): |
900 |
self.__fspLatitude.Clear() |
901 |
self.__sspLatitude.Clear() |
902 |
self.__originLat.Clear() |
903 |
self.__meridian.Clear() |
904 |
self.__falseEast.Clear() |
905 |
self.__falseNorth.Clear() |
906 |
|
907 |
ProjPanel.Clear(self) |
908 |
|
909 |
class GeoPanel(ProjPanel): |
910 |
"""Projection Panel for a Geographic Projection.""" |
911 |
|
912 |
def __init__(self, parent, receiver): |
913 |
ProjPanel.__init__(self, parent) |
914 |
|
915 |
self.__choices = [(_("Degrees"), "0.017453"), |
916 |
(_("Radians"), "1")] |
917 |
|
918 |
self.__scale = wxChoice(self, -1) |
919 |
for choice, value in self.__choices: |
920 |
self.__scale.Append(choice, value) |
921 |
|
922 |
self._DoLayout() |
923 |
|
924 |
def GetProjName(self): |
925 |
return _("Geographic") |
926 |
|
927 |
def SetProjection(self, proj): |
928 |
value = proj.GetParameter("to_meter") |
929 |
for i in range(len(self.__choices)): |
930 |
choice, data = self.__choices[i] |
931 |
if value == data: |
932 |
self.__scale.SetSelection(i) |
933 |
ProjPanel.SetProjection(self, proj) |
934 |
|
935 |
def GetParameters(self): |
936 |
params = ["proj=latlong", |
937 |
"to_meter=%s" % self.__scale.GetClientData( |
938 |
self.__scale.GetSelection())] |
939 |
|
940 |
params.extend(ProjPanel.GetParameters(self)) |
941 |
return params |
942 |
|
943 |
def Clear(self): |
944 |
ProjPanel.Clear(self) |
945 |
|
946 |
def _DoLayout(self): |
947 |
sizer = wxBoxSizer(wxHORIZONTAL) |
948 |
|
949 |
sizer.Add(wxStaticText(self, -1, _("Source Data is in: ")), |
950 |
0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
951 |
sizer.Add(self.__scale, 1, wxEXPAND|wxALL, 4) |
952 |
|
953 |
self.__scale.SetSelection(0) |
954 |
|
955 |
ProjPanel._DoLayout(self, sizer) |
956 |
|
957 |
|
958 |
ID_UTM_PROPOSE_ZONE_DIALOG_TAKE = 4001 |
959 |
ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL = 4002 |
960 |
class UTMProposeZoneDialog(wxDialog): |
961 |
|
962 |
"""Propose a sensible Zone considering the current map extent.""" |
963 |
|
964 |
def __init__(self, parent, (x, y, x2, y2)): |
965 |
wxDialog.__init__(self, parent, -1, _("Projection: Propose UTM Zone"), |
966 |
wxDefaultPosition, wxSize(200, 100)) |
967 |
self.parent = parent |
968 |
#x, y, x2, y2 = elf.parent.parent.map_bounding_box |
969 |
x = x + 180 |
970 |
x2 = x2 + 180 |
971 |
center = (x2 - x) / 2 + x |
972 |
self.proposedZone = int(center / 6 + 1) |
973 |
self.dialogLayout() |
974 |
|
975 |
def dialogLayout(self): |
976 |
topBox = wxBoxSizer(wxVERTICAL) |
977 |
|
978 |
textBox = wxBoxSizer(wxVERTICAL) |
979 |
textBox.Add(wxStaticText(self, -1, _("The current map extent center " + |
980 |
"lies in UTM Zone")), |
981 |
0, wxALIGN_CENTER|wxALL, 4) |
982 |
textBox.Add(wxStaticText(self, -1, str(self.proposedZone)), |
983 |
0, wxALIGN_CENTER|wxALL, 4) |
984 |
|
985 |
topBox.Add(textBox, 1, wxEXPAND|wxALL, 4) |
986 |
|
987 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
988 |
buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, |
989 |
_("Take")), 0, wxALL, 4) |
990 |
buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, |
991 |
_("Cancel")), 0, wxALL, 4) |
992 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 10) |
993 |
EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, self.OnTake) |
994 |
EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, self.OnCancel) |
995 |
|
996 |
self.SetAutoLayout(True) |
997 |
self.SetSizer(topBox) |
998 |
topBox.Fit(self) |
999 |
topBox.SetSizeHints(self) |
1000 |
|
1001 |
def OnTake(self, event): |
1002 |
self.EndModal(wxID_OK) |
1003 |
|
1004 |
def OnCancel(self, event): |
1005 |
self.EndModal(wxID_CANCEL) |
1006 |
|
1007 |
def GetProposedZone(self): |
1008 |
return self.proposedZone |