24 |
read_proj_file, write_proj_file |
read_proj_file, write_proj_file |
25 |
from Thuban.UI.dialogs import NonModalNonParentDialog |
from Thuban.UI.dialogs import NonModalNonParentDialog |
26 |
|
|
27 |
|
from common import ThubanBeginBusyCursor, ThubanEndBusyCursor |
28 |
|
from sizers import NotebookLikeSizer |
29 |
|
from projlist import PROJ_SELECTION_CHANGED, ProjectionList |
30 |
|
from common import ThubanBeginBusyCursor, ThubanEndBusyCursor |
31 |
|
|
32 |
|
|
33 |
|
|
|
ID_PROJ_ADVANCED = 4001 |
|
34 |
ID_PROJ_PROJCHOICE = 4002 |
ID_PROJ_PROJCHOICE = 4002 |
35 |
ID_PROJ_ADDTOLIST = 4003 |
ID_PROJ_ADDTOLIST = 4003 |
36 |
ID_PROJ_NEW = 4004 |
ID_PROJ_NEW = 4004 |
56 |
""" |
""" |
57 |
NonModalNonParentDialog.__init__(self, parent, name, title) |
NonModalNonParentDialog.__init__(self, parent, name, title) |
58 |
|
|
59 |
self.projection_panels = [ |
self.projection_panel_defs = [ |
60 |
("tmerc", _("Transverse Mercator"), TMPanel), |
("tmerc", _("Transverse Mercator"), TMPanel), |
61 |
("utm", _("Universal Transverse Mercator"), UTMPanel), |
("utm", _("Universal Transverse Mercator"), UTMPanel), |
62 |
("lcc", _("Lambert Conic Conformal"), LCCPanel), |
("lcc", _("Lambert Conic Conformal"), LCCPanel), |
63 |
("latlong", _("Geographic"), GeoPanel)] |
("latlong", _("Geographic"), GeoPanel), |
64 |
|
("longlat", _("Geographic"), GeoPanel)]#longlat is an alias of proj |
65 |
self.receiver = receiver |
self.receiver = receiver |
66 |
self.haveTried = False |
self.haveTried = False |
67 |
self.curProjPanel = None |
self.curProjPanel = None |
68 |
|
self.__usrProjFile = None |
69 |
|
self.__sysProjFile = None |
70 |
|
|
71 |
self.build_dialog() |
self.build_dialog() |
72 |
self.Layout() |
self.Layout() |
73 |
|
|
74 |
self.originalProjection = self.receiver.GetProjection() |
self.originalProjection = self.receiver.GetProjection() |
75 |
|
|
76 |
self.__DoOnProjAvail() |
self.projection_list.SelectProjection(self.originalProjection) |
77 |
self.button_ok.SetFocus() |
self.projection_list.SetFocus() |
|
self.availprojs.SetFocus() |
|
78 |
|
|
79 |
def build_dialog(self): |
def build_dialog(self): |
80 |
"""Build the dialog's widgets and set the event handlers""" |
"""Build the dialog's widgets and set the event handlers""" |
87 |
# The projection list and associated controls |
# The projection list and associated controls |
88 |
# |
# |
89 |
vbox = wxBoxSizer(wxVERTICAL) |
vbox = wxBoxSizer(wxVERTICAL) |
90 |
main_box.Add(vbox, 0, wxALL|wxEXPAND) |
main_box.Add(vbox, 4, wxALL|wxEXPAND) |
91 |
|
|
92 |
label = wxStaticText(self, -1, _("Available Projections:")) |
#label = wxStaticText(self, -1, _("Available Projections:")) |
93 |
vbox.Add(label, 0, wxLEFT|wxRIGHT|wxTOP, 4) |
#vbox.Add(label, 0, wxLEFT|wxRIGHT|wxTOP, 4) |
94 |
|
|
95 |
hbox = wxBoxSizer(wxHORIZONTAL) |
hbox = wxBoxSizer(wxHORIZONTAL) |
96 |
vbox.Add(hbox, 1, wxALL|wxEXPAND) |
vbox.Add(hbox, 1, wxALL|wxEXPAND) |
97 |
self.availprojs = wxListBox(self, ID_PROJ_AVAIL, |
self.projection_list = ProjectionList(self, self.load_system_proj(), |
98 |
style=wxLB_EXTENDED|wxLB_SORT) |
self.load_user_proj(), |
99 |
EVT_LISTBOX(self, ID_PROJ_AVAIL, self._OnProjAvail) |
self.receiver.GetProjection()) |
100 |
hbox.Add(self.availprojs, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4) |
hbox.Add(self.projection_list, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4) |
101 |
self.__FillAvailList(selectCurrent = True) |
self.projection_list.Subscribe(PROJ_SELECTION_CHANGED, |
102 |
|
self.proj_selection_changed) |
103 |
|
|
104 |
# Projection List specific actions (Import/Export/Remove) |
# Projection List specific actions (Import/Export/Remove) |
105 |
buttons = wxBoxSizer(wxVERTICAL) |
buttons = wxBoxSizer(wxVERTICAL) |
124 |
# |
# |
125 |
self.edit_box = wxStaticBox(self, -1, _("Edit")) |
self.edit_box = wxStaticBox(self, -1, _("Edit")) |
126 |
sizer_edit = wxStaticBoxSizer(self.edit_box, wxHORIZONTAL) |
sizer_edit = wxStaticBoxSizer(self.edit_box, wxHORIZONTAL) |
127 |
main_box.Add(sizer_edit, 1, wxALL|wxEXPAND) |
main_box.Add(sizer_edit, 5, wxALL|wxEXPAND) |
128 |
|
|
129 |
# Projection Specific Entries (Name/Projection) |
# Projection Specific Entries (Name/Projection) |
130 |
self.sizer_projctrls = wxBoxSizer(wxVERTICAL) |
self.sizer_projctrls = wxBoxSizer(wxVERTICAL) |
147 |
EVT_CHOICE(self, ID_PROJ_PROJCHOICE, self._OnProjChoice) |
EVT_CHOICE(self, ID_PROJ_PROJCHOICE, self._OnProjChoice) |
148 |
hbox.Add(self.projchoice, 1, wxALL|wxEXPAND, 4) |
hbox.Add(self.projchoice, 1, wxALL|wxEXPAND, 4) |
149 |
# Fill the projection choice list. |
# Fill the projection choice list. |
150 |
for proj, name, clazz in self.projection_panels: |
self.nbsizer = NotebookLikeSizer() |
151 |
self.projchoice.Append(name, [clazz, None]) |
self.sizer_projctrls.Add(self.nbsizer, 1, |
152 |
|
wxALL|wxEXPAND|wxADJUST_MINSIZE, 3) |
153 |
|
self.projection_panels = [] |
154 |
|
self.projchoice.Append(_("<Unknown>"), "") |
155 |
|
for proj_type, name, cls in self.projection_panel_defs: |
156 |
|
self.projchoice.Append(name, proj_type) |
157 |
|
panel = cls(self, self.receiver) |
158 |
|
panel.Hide() |
159 |
|
panel.projection_index = len(self.projection_panels) |
160 |
|
panel.projection_type = proj_type |
161 |
|
self.projection_panels.append(panel) |
162 |
|
self.nbsizer.Add(panel) |
163 |
|
self.unknown_projection_panel = UnknownProjPanel(self, self.receiver) |
164 |
|
self.unknown_projection_panel.Hide() |
165 |
|
self.nbsizer.Add(self.unknown_projection_panel) |
166 |
|
|
167 |
# Projection Specific actions (New/Save/Add) |
# Projection Specific actions (New/Save/Add) |
168 |
buttons = wxBoxSizer(wxVERTICAL) |
buttons = wxBoxSizer(wxVERTICAL) |
206 |
top_box.Fit(self) |
top_box.Fit(self) |
207 |
top_box.SetSizeHints(self) |
top_box.SetSizeHints(self) |
208 |
|
|
209 |
|
def OnClose(self, event): |
210 |
|
self.projection_list.Unsubscribe(PROJ_SELECTION_CHANGED, |
211 |
|
self.proj_selection_changed) |
212 |
|
# Destroy the projection list explicitly so that it properly |
213 |
|
# unsubscribes everything. It would be cleaner if the projection |
214 |
|
# could do this by itself but wx doesn't always send destroy |
215 |
|
# events for non-top-level widgets |
216 |
|
self.projection_list.Destroy() |
217 |
|
NonModalNonParentDialog.OnClose(self, event) |
218 |
|
|
219 |
def OnApply(self, event): |
def OnApply(self, event): |
220 |
self.__SetProjection() |
self.__SetProjection() |
221 |
self.haveTried = True |
self.haveTried = True |
237 |
|
|
238 |
def _OnNew(self, event): |
def _OnNew(self, event): |
239 |
|
|
240 |
# clear all selections |
self.projection_list.ClearSelection() |
|
sel = self.availprojs.GetSelections() |
|
|
for index in sel: |
|
|
self.availprojs.SetSelection(index, False) |
|
|
|
|
241 |
self.projname.Clear() |
self.projname.Clear() |
242 |
|
|
243 |
# supply a projection panel if there wasn't one |
# supply a projection panel if there wasn't one |
245 |
self.projchoice.SetSelection(0) |
self.projchoice.SetSelection(0) |
246 |
self.__DoOnProjChoice() |
self.__DoOnProjChoice() |
247 |
|
|
248 |
self.curProjPanel.Clear() |
if self.curProjPanel is not None: |
249 |
|
self.curProjPanel.Clear() |
250 |
|
|
251 |
def _OnSave(self, event): |
def _OnSave(self, event): |
252 |
|
|
253 |
sel = self.availprojs.GetSelections() |
sel = self.projection_list.selected_projections() |
254 |
assert len(sel) == 1, "button shouldn't be enabled" |
assert len(sel) == 1, "button shouldn't be enabled" |
255 |
|
|
256 |
proj, projfile = self.availprojs.GetClientData(sel[0]) |
proj, projfile = sel[0] |
257 |
|
|
258 |
assert proj is not None and projfile is not None |
assert proj is not None and projfile is not None |
259 |
|
|
260 |
newproj = self.__GetProjection() |
newproj = self.__GetProjection() |
261 |
|
|
262 |
if newproj is not None: |
if newproj is not None: |
263 |
|
# FIXME: we should only allow this for the user proj file. |
264 |
projfile.Replace(proj, newproj) |
projfile.Replace(proj, newproj) |
265 |
try: |
self.write_proj_file(projfile) |
266 |
write_proj_file(projfile) |
self.projection_list.SelectProjection(newproj) |
|
except IOError, (errno, errstr): |
|
|
self.__ShowError(projfile.GetFilename(), errstr) |
|
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self.availprojs.SetClientData(sel[0], [newproj, projfile]) |
|
|
|
|
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self.__FillAvailList( selectProj = newproj.GetName()) |
|
267 |
|
|
268 |
def _OnAddToList(self, event): |
def _OnAddToList(self, event): |
269 |
|
|
270 |
proj = self.__GetProjection() |
proj = self.__GetProjection() |
271 |
if proj is not None: |
if proj is not None: |
272 |
self.__usrProjFile.Add(proj) |
self.__usrProjFile.Add(proj) |
273 |
try: |
self.write_proj_file(self.__usrProjFile) |
274 |
write_proj_file(self.__usrProjFile) |
self.projection_list.SelectProjection(proj) |
|
except IOError, (errno, errstr): |
|
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self.__ShowError(self.__userProjFile.GetFilename(), errstr) |
|
|
|
|
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self.__FillAvailList( selectProj = proj.GetName()) |
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|
|
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def _OnProjAvail(self, event): |
|
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self.__DoOnProjAvail() |
|
275 |
|
|
276 |
def show_warnings(self, title, filename, warnings): |
def show_warnings(self, title, filename, warnings): |
277 |
"""Show the warnings (a list of strings) in a dialog |
"""Show the warnings (a list of strings) in a dialog |
284 |
self.parent.RunMessageBox(title, text) |
self.parent.RunMessageBox(title, text) |
285 |
|
|
286 |
def _OnImport(self, event): |
def _OnImport(self, event): |
287 |
|
"""Handler for the 'Import' button |
288 |
|
|
289 |
|
Ask the user for a filename, read the projections from that file |
290 |
|
add them to the user ProjFile object and write the user file |
291 |
|
back to disk. |
292 |
|
""" |
293 |
dlg = wxFileDialog(self, _("Import"), style = wxOPEN) |
dlg = wxFileDialog(self, _("Import"), style = wxOPEN) |
294 |
|
|
295 |
if dlg.ShowModal() == wxID_OK: |
if dlg.ShowModal() == wxID_OK: |
296 |
path = dlg.GetPath() |
path = dlg.GetPath() |
297 |
|
|
298 |
|
ThubanBeginBusyCursor() |
299 |
try: |
try: |
300 |
projFile, warnings = read_proj_file(path) |
try: |
301 |
self.show_warnings(_("Warnings"), path, warnings) |
projFile, warnings = read_proj_file(path) |
302 |
for proj in projFile.GetProjections(): |
except IOError, (errno, errstr): |
303 |
self.__usrProjFile.Add(proj) |
self.__ShowError(dlg.GetPath(), errstr) |
304 |
write_proj_file(self.__usrProjFile) |
else: |
305 |
except IOError, (errno, errstr): |
self.show_warnings(_("Warnings"), path, warnings) |
306 |
self.__ShowError(dlg.GetPath(), errstr) |
for proj in projFile.GetProjections(): |
307 |
|
self.__usrProjFile.Add(proj) |
308 |
self.__FillAvailList() |
self.write_proj_file(self.__usrProjFile) |
309 |
|
finally: |
310 |
|
ThubanEndBusyCursor() |
311 |
dlg.Destroy() |
dlg.Destroy() |
312 |
|
|
313 |
def _OnExport(self, event): |
def _OnExport(self, event): |
314 |
|
"""Handler for the 'Export' button. |
315 |
|
|
316 |
sel = self.availprojs.GetSelections() |
Ask the user for a filename and write the selected projections |
317 |
|
to that file. |
318 |
|
""" |
319 |
|
sel = self.projection_list.selected_projections() |
320 |
assert len(sel) != 0, "button should be disabled" |
assert len(sel) != 0, "button should be disabled" |
321 |
|
|
322 |
dlg = wxFileDialog(self, _("Export"), |
dlg = wxFileDialog(self, _("Export"), style=wxSAVE|wxOVERWRITE_PROMPT) |
|
style = wxSAVE|wxOVERWRITE_PROMPT) |
|
323 |
|
|
324 |
if dlg.ShowModal() == wxID_OK: |
if dlg.ShowModal() == wxID_OK: |
325 |
path = dlg.GetPath() |
proj_file = ProjFile(dlg.GetPath()) |
326 |
|
for proj, pf in sel: |
|
projFile = ProjFile(path) |
|
|
|
|
|
for i in sel: |
|
|
proj = self.availprojs.GetClientData(i)[CLIENT_PROJ] |
|
327 |
if proj is not None: |
if proj is not None: |
328 |
projFile.Add(proj) |
proj_file.Add(proj) |
329 |
|
self.write_proj_file(proj_file) |
|
try: |
|
|
write_proj_file(projFile) |
|
|
except IOError, (errno, errstr): |
|
|
self.__ShowError(dlg.GetPath(), errstr) |
|
330 |
|
|
331 |
dlg.Destroy() |
dlg.Destroy() |
332 |
|
|
333 |
def _OnRemove(self, event): |
def _OnRemove(self, event): |
334 |
|
"""Handler for the 'Remove' button |
335 |
|
|
336 |
sel = self.availprojs.GetSelections() |
Remove any selected projection that came from the user's |
337 |
|
ProjFile. If the user ProjFile was modified write it back to |
338 |
|
disk. |
339 |
|
""" |
340 |
|
sel = self.projection_list.selected_projections() |
341 |
assert len(sel) != 0, "button should be disabled!" |
assert len(sel) != 0, "button should be disabled!" |
342 |
|
|
343 |
# |
modified = False |
344 |
# remove the items backwards so the indices don't change |
for proj, pf in sel: |
345 |
# |
if proj is not None and pf is self.__usrProjFile: |
346 |
sel = list(sel) |
pf.Remove(proj) |
347 |
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) |
|
|
|
|
|
self.__FillAvailList() |
|
348 |
|
|
349 |
# |
if modified: |
350 |
# this *could* produce incorrect results if the .proj files |
self.write_proj_file(self.__usrProjFile) |
|
# 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) |
|
|
|
|
|
self.__VerifyButtons() |
|
351 |
|
|
352 |
def _OnProjName(self, event): |
def _OnProjName(self, event): |
353 |
self.__VerifyButtons() |
self.__VerifyButtons() |
354 |
|
|
355 |
def __ShowError(self, filename, errstr): |
def __ShowError(self, filename, errstr): |
356 |
wxMessageDialog(self, |
wxMessageDialog(self, |
357 |
_("The following error occured:\n") + |
_("The following error occured:\n") + |
358 |
filename + "\n" + errstr, |
filename + "\n" + errstr, |
359 |
_("Error"), wxOK | wxICON_ERROR).ShowModal() |
_("Error"), wxOK | wxICON_ERROR).ShowModal() |
360 |
|
|
361 |
def __VerifyButtons(self): |
def __VerifyButtons(self): |
362 |
"""Enable or disable the appropriate buttons based on the |
"""Update button sensitivity""" |
|
current state of the dialog. |
|
|
""" |
|
363 |
|
|
364 |
sel = self.availprojs.GetSelections() |
num_sel = self.projection_list.GetSelectedItemCount() |
365 |
|
|
366 |
self.button_import.Enable(True) |
self.button_import.Enable(True) |
367 |
self.button_export.Enable(True) |
self.button_export.Enable(True) |
383 |
if self.curProjPanel is not None: |
if self.curProjPanel is not None: |
384 |
self.curProjPanel.Enable(True) |
self.curProjPanel.Enable(True) |
385 |
|
|
386 |
if len(sel) == 0: |
if num_sel == 0: |
387 |
self.button_import.Enable(True) |
self.button_import.Enable(True) |
388 |
self.button_export.Enable(False) |
self.button_export.Enable(False) |
389 |
self.button_remove.Enable(False) |
self.button_remove.Enable(False) |
390 |
self.button_save.Enable(False) |
self.button_save.Enable(False) |
391 |
|
|
392 |
elif len(sel) == 1: |
elif num_sel == 1: |
393 |
|
|
394 |
proj, projFile = self.availprojs.GetClientData(sel[0]) |
selection = self.projection_list.selected_projections() |
395 |
|
proj, projFile = selection[0] |
396 |
|
|
397 |
self.button_save.Enable(len(self.projname.GetValue()) > 0) |
self.button_save.Enable(len(self.projname.GetValue()) > 0) |
398 |
self.button_add.Enable(len(self.projname.GetValue()) > 0) |
self.button_add.Enable(len(self.projname.GetValue()) > 0) |
419 |
else: |
else: |
420 |
self.edit_box.Enable(False) |
self.edit_box.Enable(False) |
421 |
|
|
422 |
def __DoOnProjAvail(self): |
def proj_selection_changed(self, projs): |
423 |
|
"""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] |
|
424 |
|
|
425 |
|
Update the dialog to reflect the new selection. |
426 |
|
""" |
427 |
|
if len(projs) == 0: |
428 |
|
self.projfilepath.SetLabel(_("No Projections selected")) |
429 |
|
elif len(projs) == 1: |
430 |
|
proj, projfile = projs[0] |
431 |
if proj is None: |
if proj is None: |
432 |
# user selected <None> |
# user selected <None> |
433 |
self.projname.Clear() |
self.projname.Clear() |
434 |
self.projfilepath.SetLabel(_("Projection File: ")) |
self.projfilepath.SetLabel("") |
435 |
else: |
else: |
|
|
|
436 |
if projfile is not None: |
if projfile is not None: |
437 |
self.projfilepath.SetLabel(_("Projection File: ") + |
filename = os.path.basename(projfile.GetFilename()) |
438 |
os.path.basename(projfile.GetFilename())) |
self.projfilepath.SetLabel(_("Source of Projection: %s") |
439 |
|
% filename) |
440 |
else: |
else: |
441 |
# only None if the currently used projection is selected |
# only None if the currently used projection is selected |
442 |
self.projfilepath.SetLabel(_("Projection File: ")) |
self.projfilepath.SetLabel("") |
443 |
|
|
444 |
self.projname.SetValue(proj.GetName()) |
self.projname.SetValue(proj.Label()) |
445 |
|
|
446 |
myProjType = proj.GetParameter("proj") |
myProjType = proj.GetParameter("proj") |
447 |
i = 0 |
i = 0 |
448 |
for projType, name, clazz in self.projection_panels: |
for projType, name, cls in self.projection_panel_defs: |
449 |
if myProjType == projType: |
if myProjType == projType: |
450 |
self.projchoice.Enable(True) |
self.projchoice.Enable(True) |
451 |
self.projchoice.SetSelection(i) |
self.projchoice.SetSelection(i + 1) |
452 |
self.__DoOnProjChoice() |
self.__DoOnProjChoice() |
453 |
|
|
454 |
# |
# |
461 |
break |
break |
462 |
i += 1 |
i += 1 |
463 |
else: |
else: |
464 |
|
self.projchoice.Select(0) |
465 |
self.projchoice.Disable() |
self.projchoice.Disable() |
466 |
self._show_proj_panel(UnknownProjPanel(self, |
self._show_proj_panel(UnknownProjPanel) |
467 |
self.receiver)) |
assert self.curProjPanel is not None |
468 |
|
self.curProjPanel.SetProjection(proj) |
469 |
|
else: |
470 |
|
self.projfilepath.SetLabel(_("Multiple Projections selected")) |
471 |
|
|
472 |
self.__VerifyButtons() |
self.__VerifyButtons() |
473 |
|
|
488 |
|
|
489 |
sel = choice.GetSelection() |
sel = choice.GetSelection() |
490 |
if sel != -1: |
if sel != -1: |
491 |
clazz, obj = choice.GetClientData(sel) |
proj_type = choice.GetClientData(sel) |
492 |
if obj is None: |
for t, name, cls in self.projection_panel_defs: |
493 |
obj = clazz(self, self.receiver) |
if t == proj_type: |
494 |
choice.SetClientData(sel, [clazz, obj]) |
self._show_proj_panel(cls) |
495 |
self._show_proj_panel(obj) |
break |
496 |
|
# FIXME: what to do if sel == -1? |
497 |
|
|
498 |
def _show_proj_panel(self, panel): |
def _show_proj_panel(self, panel_class): |
499 |
"""Show the panel as the projection panel""" |
"""Show the panel as the projection panel""" |
500 |
if self.curProjPanel is not None: |
if panel_class is UnknownProjPanel: |
501 |
self.curProjPanel.Hide() |
self.edit_box.Disable() |
502 |
self.sizer_projctrls.Remove(self.curProjPanel) |
self.nbsizer.Activate(self.unknown_projection_panel) |
503 |
|
self.curProjPanel = self.unknown_projection_panel |
504 |
self.curProjPanel = panel |
else: |
505 |
self.curProjPanel.Show() |
self.edit_box.Enable(True) |
506 |
|
self.unknown_projection_panel.Hide() |
507 |
self.sizer_projctrls.Add(self.curProjPanel, 1, |
for panel in self.projection_panels: |
508 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 3) |
if panel.__class__ is panel_class: |
509 |
self.sizer_projctrls.Layout() |
self.nbsizer.Activate(panel) |
510 |
self.Layout() |
self.curProjPanel = panel |
|
self.topBox.SetSizeHints(self) |
|
511 |
|
|
512 |
def __SetProjection(self): |
def __SetProjection(self): |
513 |
"""Set the receiver's projection.""" |
"""Set the receiver's projection.""" |
525 |
Could be None. |
Could be None. |
526 |
""" |
""" |
527 |
|
|
528 |
sel = self.availprojs.GetSelections() |
assert self.projection_list.GetSelectedItemCount() < 2, \ |
529 |
assert len(sel) < 2, "button should be disabled" |
"button should be disabled" |
|
|
|
530 |
|
|
531 |
|
sel = self.projection_list.selected_projections() |
532 |
if len(sel) == 1: |
if len(sel) == 1: |
533 |
proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ] |
if sel[0][0] is None: |
|
if proj is None: |
|
534 |
# <None> is selected |
# <None> is selected |
535 |
return None |
return None |
536 |
|
|
537 |
# |
# self.curProjPanel should always contain the most relevant data |
538 |
# self.curProjPanel should always contain the most |
# for a projection |
|
# relevant data for a projection |
|
|
# |
|
539 |
if self.curProjPanel is not None: |
if self.curProjPanel is not None: |
540 |
return Projection(self.curProjPanel.GetParameters(), |
return Projection(self.curProjPanel.GetParameters(), |
541 |
self.projname.GetValue()) |
self.projname.GetValue()) |
542 |
|
|
543 |
return None |
return None |
544 |
|
|
545 |
def __FillAvailList(self, selectCurrent = False, selectProj = None): |
def load_user_proj(self): |
546 |
"""Populate the list of available projections. |
ThubanBeginBusyCursor() |
547 |
|
try: |
548 |
selectCurrent -- if True, select the projection used by |
if self.__usrProjFile is None: |
549 |
the receiver, otherwise select nothing. |
projfile, warnings = get_user_proj_file() |
550 |
selectProj -- if set, select the projection found under the |
self.show_warnings(_("Warnings"), projfile.GetFilename(), |
551 |
specified name. This overwrites any other |
warnings) |
552 |
selection estimate. |
self.__usrProjFile = projfile |
553 |
""" |
return self.__usrProjFile |
554 |
|
finally: |
555 |
self.availprojs.Clear() |
ThubanEndBusyCursor() |
556 |
|
|
557 |
# |
def load_system_proj(self): |
558 |
# the list can never be empty. there will always be |
ThubanBeginBusyCursor() |
559 |
# at least this one item |
try: |
560 |
# |
if self.__sysProjFile is None: |
561 |
self.availprojs.Append("<None>", (None, None)) |
projfile, warnings = get_system_proj_file() |
562 |
|
self.show_warnings(_("Warnings"), projfile.GetFilename(), |
563 |
|
warnings) |
564 |
|
self.__sysProjFile = projfile |
565 |
|
return self.__sysProjFile |
566 |
|
finally: |
567 |
|
ThubanEndBusyCursor() |
568 |
|
|
569 |
projfile, warnings = get_system_proj_file() |
def write_proj_file(self, proj_file): |
570 |
self.show_warnings(_("Warnings"), projfile.GetFilename(), warnings) |
"""Write the ProjFile object proj_file back to its file |
|
for proj in projfile.GetProjections(): |
|
|
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
|
|
self.__sysProjFile = projfile |
|
571 |
|
|
572 |
projfile, warnings = get_user_proj_file() |
Show a busy cursor while writing and if an error occurs show a |
573 |
self.show_warnings(_("Warnings"), projfile.GetFilename(), warnings) |
dialog with the error message. |
574 |
for proj in projfile.GetProjections(): |
""" |
575 |
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
try: |
576 |
self.__usrProjFile = projfile |
ThubanBeginBusyCursor() |
577 |
|
try: |
578 |
|
write_proj_file(proj_file) |
579 |
|
finally: |
580 |
|
ThubanEndBusyCursor() |
581 |
|
except IOError, (errno, errstr): |
582 |
|
self.__ShowError(proj_file.GetFilename(), errstr) |
583 |
|
|
|
# |
|
|
# 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.GetName() |
|
|
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) |
|
|
) |
|
584 |
|
|
585 |
|
|
586 |
class ProjPanel(wxPanel): |
class ProjPanel(wxPanel): |
590 |
wxPanel.__init__(self, parent, -1) |
wxPanel.__init__(self, parent, -1) |
591 |
|
|
592 |
self.__ellps = wxChoice(self, -1) |
self.__ellps = wxChoice(self, -1) |
593 |
self.ellpsData = [("airy" , _("Airy")), |
self.ellpsData = [("", _("<Unknown>")), |
594 |
|
("airy" , _("Airy")), |
595 |
("bessel", _("Bessel 1841")), |
("bessel", _("Bessel 1841")), |
596 |
("clrk66", _("Clarke 1866")), |
("clrk66", _("Clarke 1866")), |
597 |
("clrk80", _("Clarke 1880")), |
("clrk80", _("Clarke 1880")), |
598 |
("GRS80" , _("GRS 1980 (IUGG, 1980)")), |
("GRS80" , _("GRS 1980 (IUGG, 1980)")), |
599 |
("intl" , _("International 1909 (Hayford)")), |
("intl" , _("International 1909 (Hayford)")), |
639 |
self.__ellps.SetSelection(0) |
self.__ellps.SetSelection(0) |
640 |
|
|
641 |
def GetParameters(self): |
def GetParameters(self): |
642 |
return ["ellps=" + self.__ellps.GetClientData( |
ellps = self.__ellps.GetSelection() |
643 |
self.__ellps.GetSelection())] |
if ellps > 0: |
644 |
|
return ["ellps=" + self.__ellps.GetClientData(ellps)] |
645 |
|
return [] |
646 |
|
|
647 |
|
|
648 |
ID_TMPANEL_LAT = 4001 |
ID_TMPANEL_LAT = 4001 |
658 |
def __init__(self, parent, receiver): |
def __init__(self, parent, receiver): |
659 |
ProjPanel.__init__(self, parent) |
ProjPanel.__init__(self, parent) |
660 |
|
|
661 |
|
self.__text = _("Thuban does not know the parameters\n" |
662 |
|
"for the current projection and cannot\n" |
663 |
|
"display a configuration panel.\n\n" |
664 |
|
"The unidentified set of parameters is:\n\n") |
665 |
|
|
666 |
|
self.__textbox = wxTextCtrl(self, -1, self.__text, size=(100,200), |
667 |
|
style=wxTE_READONLY|wxTE_MULTILINE|wxTE_LINEWRAP) |
668 |
self._DoLayout() |
self._DoLayout() |
669 |
|
|
670 |
def _DoLayout(self): |
def _DoLayout(self): |
671 |
sizer = wxBoxSizer(wxVERTICAL) |
sizer = wxBoxSizer(wxVERTICAL) |
672 |
|
|
673 |
sizer.Add(wxStaticText(self, -1, |
sizer.Add(self.__textbox, 0, wxALL|wxEXPAND, 4) |
|
_("Thuban does not know the parameters for the" |
|
|
" current projection\n" |
|
|
"and cannot display a configuration panel."))) |
|
674 |
|
|
675 |
ProjPanel._DoLayout(self, sizer) |
ProjPanel._DoLayout(self, sizer) |
676 |
|
|
678 |
return "Unknown" |
return "Unknown" |
679 |
|
|
680 |
def SetProjection(self, proj): |
def SetProjection(self, proj): |
681 |
pass |
"""Append the available parameters to the info text.""" |
682 |
|
text = self.__text |
683 |
|
for param in proj.GetAllParameters(): |
684 |
|
text = text + '%s\n' % param |
685 |
|
self.__textbox.SetValue(text) |
686 |
|
|
687 |
def GetParameters(self): |
def GetParameters(self): |
688 |
return None |
return None |
695 |
|
|
696 |
self.__latitude = wxTextCtrl(self, ID_TMPANEL_LAT) |
self.__latitude = wxTextCtrl(self, ID_TMPANEL_LAT) |
697 |
self.__longitude = wxTextCtrl(self, ID_TMPANEL_LONG) |
self.__longitude = wxTextCtrl(self, ID_TMPANEL_LONG) |
|
self.__scale = wxTextCtrl(self, ID_TMPANEL_SCALE) |
|
698 |
self.__falseEast = wxTextCtrl(self, ID_TMPANEL_FASLE_EAST) |
self.__falseEast = wxTextCtrl(self, ID_TMPANEL_FASLE_EAST) |
699 |
self.__falseNorth = wxTextCtrl(self, ID_TMPANEL_FALSE_NORTH) |
self.__falseNorth = wxTextCtrl(self, ID_TMPANEL_FALSE_NORTH) |
700 |
|
self.__scale = wxTextCtrl(self, ID_TMPANEL_SCALE) |
701 |
|
|
702 |
self._DoLayout() |
self._DoLayout() |
703 |
|
|
704 |
def _DoLayout(self): |
def _DoLayout(self): |
705 |
|
|
706 |
sizer = wxFlexGridSizer(4, 4, 0, 0) |
sizer = wxFlexGridSizer(4, 2, 0, 0) |
707 |
sizer.Add(wxStaticText(self, -1, _("Latitude:")), 0, wxALL, 4) |
sizer.Add(wxStaticText(self, -1, _("Latitude:")), 0, wxALL, 4) |
708 |
sizer.Add(self.__latitude, 0, wxALL, 4) |
sizer.Add(self.__latitude, 0, wxALL, 4) |
|
sizer.Add(wxStaticText(self, -1, _("False Easting:")), 0, wxALL, 4) |
|
|
sizer.Add(self.__falseEast, 0, wxALL, 4) |
|
709 |
sizer.Add(wxStaticText(self, -1, _("Longitude:")), 0, wxALL, 4) |
sizer.Add(wxStaticText(self, -1, _("Longitude:")), 0, wxALL, 4) |
710 |
sizer.Add(self.__longitude, 0, wxALL, 4) |
sizer.Add(self.__longitude, 0, wxALL, 4) |
711 |
|
sizer.Add(wxStaticText(self, -1, _("False Easting:")), 0, wxALL, 4) |
712 |
|
sizer.Add(self.__falseEast, 0, wxALL, 4) |
713 |
sizer.Add(wxStaticText(self, -1, _("False Northing:")), 0, wxALL, 4) |
sizer.Add(wxStaticText(self, -1, _("False Northing:")), 0, wxALL, 4) |
714 |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
715 |
sizer.Add(wxStaticText(self, -1, _("Scale Factor:")), 0, wxALL, 4) |
sizer.Add(wxStaticText(self, -1, _("Scale Factor:")), 0, wxALL, 4) |
832 |
|
|
833 |
self.__fspLatitude = wxTextCtrl(self, -1) |
self.__fspLatitude = wxTextCtrl(self, -1) |
834 |
self.__sspLatitude = wxTextCtrl(self, -1) |
self.__sspLatitude = wxTextCtrl(self, -1) |
|
self.__originLat = wxTextCtrl(self, -1) |
|
835 |
self.__meridian = wxTextCtrl(self, -1) |
self.__meridian = wxTextCtrl(self, -1) |
836 |
|
self.__originLat = wxTextCtrl(self, -1) |
837 |
self.__falseEast = wxTextCtrl(self, -1) |
self.__falseEast = wxTextCtrl(self, -1) |
838 |
self.__falseNorth = wxTextCtrl(self, -1) |
self.__falseNorth = wxTextCtrl(self, -1) |
839 |
|
|