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# Copyright (c) 2003 by Intevation GmbH |
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# Authors: |
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# Jonathan Coles <[email protected]> |
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# Frank Koormann <[email protected]> |
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# Jan-Oliver Wagner <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with Thuban for details. |
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|
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"""Projection dialog""" |
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|
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__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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|
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import os, sys, math |
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from wxPython.wx import * |
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|
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from Thuban import _ |
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|
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from Thuban.Model.proj import Projection, ProjFile |
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|
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from Thuban.Model.resource import get_user_proj_files, get_system_proj_files, \ |
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read_proj_file, write_proj_file |
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from Thuban.UI.dialogs import NonModalNonParentDialog |
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|
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|
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ID_PROJ_ADVANCED = 4001 |
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ID_PROJ_PROJCHOICE = 4002 |
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ID_PROJ_ADDTOLIST = 4003 |
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ID_PROJ_NEW = 4004 |
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ID_PROJ_REVERT = 4006 |
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ID_PROJ_AVAIL = 4009 |
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ID_PROJ_SAVE = 4010 |
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ID_PROJ_IMPORT = 4011 |
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ID_PROJ_EXPORT = 4012 |
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ID_PROJ_REMOVE = 4013 |
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ID_PROJ_PROJNAME = 4014 |
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|
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CLIENT_PROJ = 0 |
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CLIENT_PROJFILE = 1 |
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|
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class ProjFrame(NonModalNonParentDialog): |
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|
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def __init__(self, parent, name, title, receiver): |
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"""Initialize the projection dialog. |
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|
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receiver -- An object that implements the following methods: |
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SetProjection(projection) |
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GetProjection() |
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""" |
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|
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self.receiver = receiver |
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self.haveTried = False |
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self.curProjPanel = None |
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|
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self.projPanels = [] |
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self.projPanels.append( |
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("tmerc", _("Transverse Mercator"), TMPanel)) |
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self.projPanels.append( |
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("utm", _("Universal Transverse Mercator"), UTMPanel)) |
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self.projPanels.append( |
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("lcc", _("Lambert Conic Conformal"), LCCPanel)) |
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self.projPanels.append( |
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("latlong", _("Geographic"), GeoPanel)) |
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|
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NonModalNonParentDialog.__init__(self, parent, name, title) |
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# originally generate by wxGlade |
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self.panel_1 = wxPanel(self, -1) |
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self.panel_edit = wxPanel(self, -1) |
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self.label_5 = wxStaticText(self.panel_1, -1, |
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_("Available Projections:")) |
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|
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# Projection List specific actions (Import/Export/Remove) |
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self.button_import = wxButton(self.panel_1, ID_PROJ_IMPORT, |
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_("Import...")) |
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self.button_export = wxButton(self.panel_1, ID_PROJ_EXPORT, |
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_("Export...")) |
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self.button_remove = wxButton(self.panel_1, ID_PROJ_REMOVE, |
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_("Remove")) |
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|
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# The Projection List |
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self.availprojs = wxListBox(self.panel_1, ID_PROJ_AVAIL, |
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style=wxLB_EXTENDED|wxLB_SORT) |
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self.projfilepath = wxStaticText(self.panel_1, -1, "") |
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|
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# Projection Specific Entries (Name/Projection) |
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self.label_2 = wxStaticText(self.panel_edit, -1, _("Name:")) |
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self.projname = wxTextCtrl(self.panel_edit, ID_PROJ_PROJNAME, "") |
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self.label_3 = wxStaticText(self.panel_edit, -1, _("Projection:")) |
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self.projchoice = wxChoice(self.panel_edit, ID_PROJ_PROJCHOICE) |
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|
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# Projection Specific actions (New/Save/Add) |
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self.button_new = wxButton(self.panel_edit, ID_PROJ_NEW, _("New")) |
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self.button_add = wxButton(self.panel_edit, ID_PROJ_ADDTOLIST, |
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_("Add to List")) |
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self.button_save = wxButton(self.panel_edit, ID_PROJ_SAVE,_("Update")) |
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|
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# Main Action buttons (Try/Revert/OK/Close) |
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self.button_try = wxButton(self, wxID_APPLY, _("Try")) |
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self.button_revert = wxButton(self, ID_PROJ_REVERT, |
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_("Revert")) |
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self.button_ok = wxButton(self, wxID_OK, _("OK")) |
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self.button_ok.SetDefault() |
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self.button_close = wxButton(self, wxID_CANCEL, |
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_("Close")) |
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|
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self.__set_properties() |
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self.__do_layout() |
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|
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# wxGlade |
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|
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# Fill the projection choice list. |
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for proj, name, clazz in self.projPanels: |
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self.projchoice.Append(name, [clazz, None]) |
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|
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self.originalProjection = self.receiver.GetProjection() |
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|
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self.__DoOnProjAvail() |
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self.button_ok.SetFocus() |
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self.availprojs.SetFocus() |
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|
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EVT_BUTTON(self, wxID_APPLY, self.OnApply) |
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EVT_BUTTON(self, ID_PROJ_REVERT, self._OnRevert) |
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EVT_BUTTON(self, wxID_OK, self.OnOK) |
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EVT_BUTTON(self, wxID_CANCEL, self.OnCancel) |
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EVT_CHOICE(self, ID_PROJ_PROJCHOICE, self._OnProjChoice) |
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EVT_LISTBOX(self, ID_PROJ_AVAIL, self._OnProjAvail) |
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EVT_BUTTON(self, ID_PROJ_IMPORT, self._OnImport) |
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EVT_BUTTON(self, ID_PROJ_EXPORT, self._OnExport) |
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EVT_BUTTON(self, ID_PROJ_REMOVE, self._OnRemove) |
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|
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EVT_BUTTON(self, ID_PROJ_NEW, self._OnNew) |
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EVT_BUTTON(self, ID_PROJ_SAVE, self._OnSave) |
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EVT_BUTTON(self, ID_PROJ_ADDTOLIST, self._OnAddToList) |
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|
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EVT_TEXT(self, ID_PROJ_PROJNAME, self._OnProjName) |
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|
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def OnApply(self, event): |
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self.__SetProjection() |
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self.haveTried = True |
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|
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def OnOK(self, event): |
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self.__SetProjection() |
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self.Close() |
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|
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def OnCancel(self, event): |
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"""Cancel just closes the dialog, but we call it cancel so we |
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can overload the functionality of wxDialog. |
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""" |
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self.Close() |
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|
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def _OnRevert(self, event): |
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if self.haveTried: |
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self.receiver.SetProjection(self.originalProjection) |
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self.haveTried = False |
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|
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def _OnNew(self, event): |
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|
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# clear all selections |
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sel = self.availprojs.GetSelections() |
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for index in sel: |
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self.availprojs.SetSelection(index, False) |
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|
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self.projname.Clear() |
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|
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# supply a projection panel if there wasn't one |
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if self.curProjPanel is None: |
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self.projchoice.SetSelection(0) |
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self.__DoOnProjChoice() |
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|
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self.curProjPanel.Clear() |
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|
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def _OnSave(self, event): |
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|
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sel = self.availprojs.GetSelections() |
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assert len(sel) == 1, "button shouldn't be enabled" |
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|
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proj, projfile = self.availprojs.GetClientData(sel[0]) |
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|
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assert proj is not None and projfile is not None |
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|
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newproj = self.__GetProjection() |
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|
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if newproj is not None: |
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projfile.Replace(proj, newproj) |
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try: |
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write_proj_file(projfile) |
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except IOError, (errno, errstr): |
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self.__ShowError(projfile.GetFilename(), errstr) |
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self.availprojs.SetClientData(sel[0], [newproj, projfile]) |
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|
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self.__FillAvailList( selectProj = newproj.GetName()) |
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|
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def _OnAddToList(self, event): |
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|
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proj = self.__GetProjection() |
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if proj is not None: |
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self.__usrProjFile.Add(proj) |
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try: |
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write_proj_file(self.__usrProjFile) |
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except IOError, (errno, errstr): |
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self.__ShowError(self.__userProjFile.GetFilename(), errstr) |
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|
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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() |
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|
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def _OnImport(self, event): |
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|
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dlg = wxFileDialog(self, _("Import"), style = wxOPEN) |
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|
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if dlg.ShowModal() == wxID_OK: |
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path = dlg.GetPath() |
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|
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try: |
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projFile = read_proj_file(path) |
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for proj in projFile.GetProjections(): |
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self.__usrProjFile.Add(proj) |
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write_proj_file(self.__usrProjFile) |
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except IOError, (errno, errstr): |
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self.__ShowError(dlg.GetPath(), errstr) |
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|
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self.__FillAvailList() |
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|
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dlg.Destroy() |
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|
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def _OnExport(self, event): |
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|
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sel = self.availprojs.GetSelections() |
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assert len(sel) != 0, "button should be disabled" |
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|
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dlg = wxFileDialog(self, _("Export"), |
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style = wxSAVE|wxOVERWRITE_PROMPT) |
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|
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if dlg.ShowModal() == wxID_OK: |
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path = dlg.GetPath() |
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|
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projFile = ProjFile(path) |
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|
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for i in sel: |
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proj = self.availprojs.GetClientData(i)[CLIENT_PROJ] |
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if proj is not None: |
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projFile.Add(proj) |
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|
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try: |
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write_proj_file(projFile) |
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except IOError, (errno, errstr): |
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self.__ShowError(dlg.GetPath(), errstr) |
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|
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dlg.Destroy() |
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|
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def _OnRemove(self, event): |
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|
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sel = self.availprojs.GetSelections() |
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assert len(sel) != 0, "button should be disabled!" |
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|
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# |
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# remove the items backwards so the indices don't change |
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# |
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sel = list(sel) |
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sel.sort() |
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sel.reverse() |
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|
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newselection = -1 |
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if len(sel) == 1: |
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newselection = sel[0] - 1 |
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if newselection < 0: |
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newselection = 0 |
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|
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for i in sel: |
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proj, projfile = self.availprojs.GetClientData(i) |
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|
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# |
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# this could be the case if they selected <None> or |
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# the currently used projection |
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# |
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if proj is not None and projfile is not None: |
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projfile.Remove(proj) |
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|
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try: |
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write_proj_file(projfile) |
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except IOError, (errno, errstr): |
285 |
self.__ShowError(projfile.GetFilename(), errstr) |
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|
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self.__FillAvailList() |
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|
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# |
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# this *could* produce incorrect results if the .proj files |
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# change between the last list update and this selection |
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# because the list has been repopulated. |
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# |
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if newselection != -1 and self.availprojs.GetCount() > 0: |
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self.availprojs.SetSelection(newselection) |
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|
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self.__VerifyButtons() |
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|
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def _OnProjName(self, event): |
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self.__VerifyButtons() |
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|
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def __ShowError(self, filename, errstr): |
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wxMessageDialog(self, |
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_("The following error occured:\n") + |
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filename + "\n" + errstr, |
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_("Error"), wxOK | wxICON_ERROR).ShowModal() |
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|
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def __VerifyButtons(self): |
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"""Enable or disable the appropriate buttons based on the |
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current state of the dialog. |
311 |
""" |
312 |
|
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sel = self.availprojs.GetSelections() |
314 |
|
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self.button_import.Enable(True) |
316 |
self.button_export.Enable(True) |
317 |
self.button_save.Enable(True) |
318 |
self.button_remove.Enable(True) |
319 |
|
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self.panel_edit.Enable(True) |
321 |
|
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for ctrl in [self.button_import, |
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self.button_export, |
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self.button_remove, |
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self.button_save, |
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self.button_add, |
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self.projchoice, |
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self.projname, |
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self.panel_edit]: |
330 |
ctrl.Enable(True) |
331 |
|
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if self.curProjPanel is not None: |
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self.curProjPanel.Enable(True) |
334 |
|
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if len(sel) == 0: |
336 |
self.button_import.Enable(True) |
337 |
self.button_export.Enable(False) |
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self.button_remove.Enable(False) |
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self.button_save.Enable(False) |
340 |
|
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elif len(sel) == 1: |
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|
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proj, projFile = self.availprojs.GetClientData(sel[0]) |
344 |
|
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self.button_save.Enable(len(self.projname.GetValue()) > 0) |
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self.button_add.Enable(len(self.projname.GetValue()) > 0) |
347 |
|
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if proj is None: |
349 |
# <None> is selected |
350 |
for ctrl in [self.button_export, |
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self.button_remove, |
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self.button_save, |
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self.button_add, |
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self.projchoice, |
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self.projname]: |
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ctrl.Enable(False) |
357 |
|
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if self.curProjPanel is not None: |
359 |
self.curProjPanel.Enable(False) |
360 |
|
361 |
elif proj is self.originalProjection: |
362 |
self.button_remove.Enable(False) |
363 |
|
364 |
if projFile is None: |
365 |
self.button_save.Enable(False) |
366 |
|
367 |
else: |
368 |
self.panel_edit.Enable(False) |
369 |
|
370 |
def __DoOnProjAvail(self): |
371 |
|
372 |
sel = self.availprojs.GetSelections() |
373 |
if len(sel) == 1: |
374 |
|
375 |
proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ] |
376 |
projfile = self.availprojs.GetClientData(sel[0])[CLIENT_PROJFILE] |
377 |
|
378 |
if proj is None: |
379 |
# user selected <None> |
380 |
self.projname.Clear() |
381 |
self.projfilepath.SetLabel(_("Projection File: ")) |
382 |
else: |
383 |
|
384 |
if projfile is not None: |
385 |
self.projfilepath.SetLabel(_("Projection File: ") + |
386 |
os.path.basename(projfile.GetFilename())) |
387 |
else: |
388 |
# only None if the currently used projection is selected |
389 |
self.projfilepath.SetLabel(_("Projection File: ")) |
390 |
|
391 |
self.projname.SetValue(proj.GetName()) |
392 |
|
393 |
myProjType = proj.GetParameter("proj") |
394 |
i = 0 |
395 |
for projType, name, clazz in self.projPanels: |
396 |
if myProjType == projType: |
397 |
self.projchoice.SetSelection(i) |
398 |
self.__DoOnProjChoice() |
399 |
|
400 |
# |
401 |
# self.curProjPanel should not be null |
402 |
# after a call to __DoOnProjChoice |
403 |
# |
404 |
assert self.curProjPanel is not None |
405 |
|
406 |
self.curProjPanel.SetProjection(proj) |
407 |
i += 1 |
408 |
|
409 |
self.__VerifyButtons() |
410 |
|
411 |
def _OnProjChoice(self, event): |
412 |
self.__DoOnProjChoice() |
413 |
|
414 |
def __DoOnProjChoice(self): |
415 |
"""Create and layout a projection panel based on the selected |
416 |
projection type. |
417 |
|
418 |
This is necessary to have in seperate method since calls to |
419 |
wxChoice.SetSelection() do not trigger an event. |
420 |
|
421 |
At the end of this method self.curProjPanel will not be None |
422 |
if there was a item selected. |
423 |
""" |
424 |
|
425 |
choice = self.projchoice |
426 |
|
427 |
sel = choice.GetSelection() |
428 |
if sel != -1: |
429 |
|
430 |
clazz, obj = choice.GetClientData(sel) |
431 |
|
432 |
if obj is None: |
433 |
obj = clazz(self.panel_edit, self.receiver) |
434 |
choice.SetClientData(sel, [clazz, obj]) |
435 |
|
436 |
if self.curProjPanel is not None: |
437 |
self.curProjPanel.Hide() |
438 |
self.sizer_projctrls.Remove(self.curProjPanel) |
439 |
|
440 |
self.curProjPanel = obj |
441 |
self.curProjPanel.Show() |
442 |
|
443 |
self.sizer_projctrls.Add(self.curProjPanel, 1, |
444 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 3) |
445 |
self.sizer_projctrls.Layout() |
446 |
self.Layout() |
447 |
self.topBox.SetSizeHints(self) |
448 |
|
449 |
def __SetProjection(self): |
450 |
"""Set the receiver's projection.""" |
451 |
|
452 |
# |
453 |
# save the original projection only once in case |
454 |
# we try to apply several different projections |
455 |
# |
456 |
self.receiver.SetProjection(self.__GetProjection()) |
457 |
|
458 |
def __GetProjection(self): |
459 |
"""Return a suitable Projection object based on the current |
460 |
state of the dialog box selections. |
461 |
|
462 |
Could be None. |
463 |
""" |
464 |
|
465 |
sel = self.availprojs.GetSelections() |
466 |
assert len(sel) < 2, "button should be disabled" |
467 |
|
468 |
|
469 |
if len(sel) == 1: |
470 |
proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ] |
471 |
if proj is None: |
472 |
# <None> is selected |
473 |
return None |
474 |
|
475 |
# |
476 |
# self.curProjPanel should always contain the most |
477 |
# relevant data for a projection |
478 |
# |
479 |
if self.curProjPanel is not None: |
480 |
return Projection(self.curProjPanel.GetParameters(), |
481 |
self.projname.GetValue()) |
482 |
|
483 |
return None |
484 |
|
485 |
def __FillAvailList(self, selectCurrent = False, selectProj = None): |
486 |
"""Populate the list of available projections. |
487 |
|
488 |
selectCurrent -- if True, select the projection used by |
489 |
the receiver, otherwise select nothing. |
490 |
selectProj -- if set, select the projection found under the |
491 |
specified name. This overwrites any other |
492 |
selection estimate. |
493 |
""" |
494 |
|
495 |
self.availprojs.Clear() |
496 |
|
497 |
# |
498 |
# the list can never be empty. there will always be |
499 |
# at least this one item |
500 |
# |
501 |
self.availprojs.Append("<None>", (None, None)) |
502 |
|
503 |
projfile = get_system_proj_files() |
504 |
projfile = projfile[0] |
505 |
for proj in projfile.GetProjections(): |
506 |
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
507 |
self.__sysProjFile = projfile |
508 |
|
509 |
projfile = get_user_proj_files() |
510 |
projfile = projfile[0] |
511 |
for proj in projfile.GetProjections(): |
512 |
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
513 |
self.__usrProjFile = projfile |
514 |
|
515 |
# |
516 |
# We add the current projection to the list at last. |
517 |
# Since the list is resorted immediately a following FindString() |
518 |
# determines the index correctly. |
519 |
# |
520 |
proj = self.receiver.GetProjection() |
521 |
if proj is not None: |
522 |
proj_item = _("%s (current)") % proj.GetName() |
523 |
self.availprojs.Append(proj_item, [proj, None]) |
524 |
if selectCurrent: |
525 |
self.availprojs.SetSelection( |
526 |
self.availprojs.FindString(proj_item) |
527 |
) |
528 |
else: |
529 |
if selectCurrent: |
530 |
self.availprojs.SetSelection( |
531 |
self.availprojs.FindString("<None>") |
532 |
) |
533 |
if selectProj: |
534 |
self.availprojs.SetSelection( |
535 |
self.availprojs.FindString(selectProj) |
536 |
) |
537 |
|
538 |
|
539 |
|
540 |
def __set_properties(self): |
541 |
|
542 |
#self.availprojs.SetSelection(0) |
543 |
self.projchoice.SetSelection(0) |
544 |
|
545 |
self.__FillAvailList(selectCurrent = True) |
546 |
|
547 |
self.projname.SetMaxLength(32) |
548 |
|
549 |
def __do_layout(self): |
550 |
# originally generated by wxGlade |
551 |
|
552 |
self.topBox = wxBoxSizer(wxVERTICAL) |
553 |
self.sizer_panel = wxBoxSizer(wxVERTICAL) |
554 |
sizer_6 = wxBoxSizer(wxHORIZONTAL) |
555 |
self.sizer_mainbttns = wxBoxSizer(wxHORIZONTAL) |
556 |
self.sizer_mainctrls = wxBoxSizer(wxHORIZONTAL) |
557 |
self.sizer_edit = wxStaticBoxSizer(wxStaticBox(self.panel_edit, -1, _("Edit")), wxHORIZONTAL) |
558 |
sizer_11 = wxBoxSizer(wxVERTICAL) |
559 |
self.sizer_projctrls = wxBoxSizer(wxVERTICAL) |
560 |
sizer_14 = wxBoxSizer(wxHORIZONTAL) |
561 |
sizer_13 = wxBoxSizer(wxHORIZONTAL) |
562 |
sizer_15 = wxBoxSizer(wxVERTICAL) |
563 |
sizer_15.Add(self.button_import, 0, wxALL, 4) |
564 |
sizer_15.Add(self.button_export, 0, wxALL, 4) |
565 |
sizer_15.Add(20, 20, 0, wxEXPAND, 0) |
566 |
sizer_15.Add(self.button_remove, 0, wxALL|wxALIGN_BOTTOM, 4) |
567 |
|
568 |
# list controls |
569 |
grid_sizer_1 = wxFlexGridSizer(3, 2, 0, 0) |
570 |
grid_sizer_1.Add(self.label_5, 0, wxLEFT|wxRIGHT|wxTOP, 4) |
571 |
grid_sizer_1.Add(20, 20, 0, wxEXPAND, 0) |
572 |
grid_sizer_1.Add(self.availprojs, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4) |
573 |
grid_sizer_1.Add(sizer_15, 0, wxALL|wxEXPAND, 4) |
574 |
grid_sizer_1.Add(self.projfilepath, 0, wxEXPAND|wxALL|wxADJUST_MINSIZE, 4) |
575 |
grid_sizer_1.AddGrowableRow(1) |
576 |
grid_sizer_1.AddGrowableCol(0) |
577 |
|
578 |
# edit controls |
579 |
sizer_13.Add(self.label_2, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
580 |
sizer_13.Add(self.projname, 1, wxALL, 4) |
581 |
self.sizer_projctrls.Add(sizer_13, 0, wxEXPAND, 0) |
582 |
sizer_14.Add(self.label_3, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
583 |
sizer_14.Add(self.projchoice, 1, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
584 |
self.sizer_projctrls.Add(sizer_14, 0, wxEXPAND, 0) |
585 |
self.sizer_edit.Add(self.sizer_projctrls, 1, wxEXPAND, 0) |
586 |
sizer_11.Add(self.button_new, 0, wxEXPAND|wxALL, 4) |
587 |
sizer_11.Add(self.button_add, 0, wxEXPAND|wxALL, 4) |
588 |
sizer_11.Add(20, 20, 0, wxEXPAND, 0) |
589 |
sizer_11.Add(self.button_save, 0, wxEXPAND|wxALL|wxALIGN_BOTTOM, 4) |
590 |
self.sizer_edit.Add(sizer_11, 0, wxALL|wxEXPAND, 4) |
591 |
|
592 |
sizer_6.Add(self.button_try, 0, wxRIGHT| wxEXPAND, 10) |
593 |
sizer_6.Add(self.button_revert, 0, wxRIGHT| wxEXPAND, 10) |
594 |
sizer_6.Add(self.button_ok, 0, wxRIGHT| wxEXPAND, 10) |
595 |
sizer_6.Add(self.button_close, 0, wxRIGHT| wxEXPAND, 10) |
596 |
|
597 |
self.panel_1.SetAutoLayout(1) |
598 |
self.panel_1.SetSizer(grid_sizer_1) |
599 |
grid_sizer_1.Fit(self.panel_1) |
600 |
grid_sizer_1.SetSizeHints(self.panel_1) |
601 |
|
602 |
self.panel_edit.SetAutoLayout(1) |
603 |
self.panel_edit.SetSizer(self.sizer_edit) |
604 |
self.sizer_edit.Fit(self.panel_edit) |
605 |
self.sizer_edit.SetSizeHints(self.panel_edit) |
606 |
|
607 |
self.sizer_mainctrls.Add(self.panel_1, 0, |
608 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 0) |
609 |
self.sizer_mainctrls.Add(self.panel_edit, 1, |
610 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 0) |
611 |
|
612 |
self.sizer_mainbttns.Add(sizer_6, 0, |
613 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 10) |
614 |
|
615 |
self.topBox.Add(self.sizer_mainctrls, 1, wxALL|wxEXPAND, 4) |
616 |
self.topBox.Add(self.sizer_mainbttns, 0, wxALIGN_RIGHT|wxBOTTOM, 0) |
617 |
|
618 |
self.SetAutoLayout(1) |
619 |
self.SetSizer(self.topBox) |
620 |
self.topBox.Fit(self) |
621 |
self.topBox.SetSizeHints(self) |
622 |
self.Layout() |
623 |
|
624 |
# end of class ProjFrame |
625 |
|
626 |
|
627 |
class ProjPanel(wxPanel): |
628 |
"""Base class for all projection panels.""" |
629 |
|
630 |
def __init__(self, parent): |
631 |
wxPanel.__init__(self, parent, -1) |
632 |
|
633 |
self.__ellps = wxChoice(self, -1) |
634 |
self.ellpsData = [("airy" , _("Airy")), |
635 |
("bessel", _("Bessel 1841")), |
636 |
("clrk66", _("Clarke 1866")), |
637 |
("clrk80", _("Clarke 1880")), |
638 |
("GRS80" , _("GRS 1980 (IUGG, 1980)")), |
639 |
("intl" , _("International 1909 (Hayford)")), |
640 |
("WGS84" , _("WGS 84"))] |
641 |
|
642 |
for tag, name in self.ellpsData: |
643 |
self.__ellps.Append(name, tag) |
644 |
|
645 |
self.__ellps.SetSelection(0) |
646 |
|
647 |
def _DoLayout(self, childPanel = None): |
648 |
|
649 |
panelSizer = wxBoxSizer(wxVERTICAL) |
650 |
|
651 |
sizer = wxBoxSizer(wxHORIZONTAL) |
652 |
sizer.Add(wxStaticText(self, -1, _("Ellipsoid:")), 0, |
653 |
wxALL|wxALIGN_CENTER_VERTICAL, 4) |
654 |
sizer.Add(self.__ellps, 1, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
655 |
panelSizer.Add(sizer, 0, wxALL|wxEXPAND, 4) |
656 |
|
657 |
if childPanel is not None: |
658 |
panelSizer.Add(childPanel, 0, wxEXPAND, 0) |
659 |
|
660 |
self.SetAutoLayout(1) |
661 |
self.SetSizer(panelSizer) |
662 |
panelSizer.Fit(self) |
663 |
panelSizer.SetSizeHints(self) |
664 |
self.Layout() |
665 |
|
666 |
def SetProjection(self, proj): |
667 |
if proj is not None: |
668 |
param = proj.GetParameter("ellps") |
669 |
i = 0 |
670 |
for tag, name in self.ellpsData: |
671 |
if param == tag: |
672 |
self.__ellps.SetSelection(i) |
673 |
return # returning early! |
674 |
i += 1 |
675 |
|
676 |
# |
677 |
# if proj is none, or the parameter couldn't be found... |
678 |
# |
679 |
self.__ellps.SetSelection(0) |
680 |
|
681 |
def GetParameters(self): |
682 |
return ["ellps=" + self.__ellps.GetClientData( |
683 |
self.__ellps.GetSelection())] |
684 |
|
685 |
|
686 |
ID_TMPANEL_LAT = 4001 |
687 |
ID_TMPANEL_LONG = 4002 |
688 |
ID_TMPANEL_FASLE_EAST = 4003 |
689 |
ID_TMPANEL_FALSE_NORTH = 4004 |
690 |
ID_TMPANEL_SCALE = 4005 |
691 |
|
692 |
class UnknownProjPanel(ProjPanel): |
693 |
def __init__(self, parent, receiver): |
694 |
ProjPanel.__init__(self, parent) |
695 |
|
696 |
self._DoLayout() |
697 |
|
698 |
def _DoLayout(self): |
699 |
sizer = wxBoxSizer(wxVERTICAL) |
700 |
|
701 |
sizer.Add(wxStaticText(self, -1, |
702 |
_("Thuban does not know the parameters for the " + |
703 |
"current projection and cannot display a " + |
704 |
"configuration panel."))) |
705 |
|
706 |
ProjPanel._DoLayout(self, sizer) |
707 |
|
708 |
def GetProjName(self): |
709 |
return "Unknown" |
710 |
|
711 |
def SetProjection(self, proj): |
712 |
pass |
713 |
|
714 |
def GetParameters(self): |
715 |
return None |
716 |
|
717 |
class TMPanel(ProjPanel): |
718 |
"""Projection panel for Transverse Mercator.""" |
719 |
|
720 |
def __init__(self, parent, receiver): |
721 |
ProjPanel.__init__(self, parent) |
722 |
|
723 |
self.__latitude = wxTextCtrl(self, ID_TMPANEL_LAT) |
724 |
self.__longitude = wxTextCtrl(self, ID_TMPANEL_LONG) |
725 |
self.__scale = wxTextCtrl(self, ID_TMPANEL_SCALE) |
726 |
self.__falseEast = wxTextCtrl(self, ID_TMPANEL_FASLE_EAST) |
727 |
self.__falseNorth = wxTextCtrl(self, ID_TMPANEL_FALSE_NORTH) |
728 |
|
729 |
self._DoLayout() |
730 |
|
731 |
def _DoLayout(self): |
732 |
|
733 |
sizer = wxFlexGridSizer(4, 4, 0, 0) |
734 |
sizer.Add(wxStaticText(self, -1, _("Latitude:")), 0, wxALL, 4) |
735 |
sizer.Add(self.__latitude, 0, wxALL, 4) |
736 |
sizer.Add(wxStaticText(self, -1, _("False Easting:")), 0, wxALL, 4) |
737 |
sizer.Add(self.__falseEast, 0, wxALL, 4) |
738 |
sizer.Add(wxStaticText(self, -1, _("Longitude:")), 0, wxALL, 4) |
739 |
sizer.Add(self.__longitude, 0, wxALL, 4) |
740 |
sizer.Add(wxStaticText(self, -1, _("False Northing:")), 0, wxALL, 4) |
741 |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
742 |
sizer.Add(wxStaticText(self, -1, _("Scale Factor:")), 0, wxALL, 4) |
743 |
sizer.Add(self.__scale, 0, wxALL, 4) |
744 |
|
745 |
ProjPanel._DoLayout(self, sizer) |
746 |
|
747 |
def GetProjName(self): |
748 |
return _("Transverse Mercator") |
749 |
|
750 |
def SetProjection(self, proj): |
751 |
ProjPanel.SetProjection(self, proj) |
752 |
|
753 |
self.__latitude.SetValue(proj.GetParameter("lat_0")) |
754 |
self.__longitude.SetValue(proj.GetParameter("lon_0")) |
755 |
self.__falseEast.SetValue(proj.GetParameter("x_0")) |
756 |
self.__falseNorth.SetValue(proj.GetParameter("y_0")) |
757 |
self.__scale.SetValue(proj.GetParameter("k")) |
758 |
|
759 |
ProjPanel.SetProjection(self, proj) |
760 |
|
761 |
def GetParameters(self): |
762 |
params = ["proj=tmerc", |
763 |
"lat_0=" + self.__latitude.GetValue(), |
764 |
"lon_0=" + self.__longitude.GetValue(), |
765 |
"x_0=" + self.__falseEast.GetValue(), |
766 |
"y_0=" + self.__falseNorth.GetValue(), |
767 |
"k=" + self.__scale.GetValue()] |
768 |
params.extend(ProjPanel.GetParameters(self)) |
769 |
return params |
770 |
|
771 |
def Clear(self): |
772 |
self.__latitude.Clear() |
773 |
self.__longitude.Clear() |
774 |
self.__falseEast.Clear() |
775 |
self.__falseNorth.Clear() |
776 |
self.__scale.Clear() |
777 |
|
778 |
ProjPanel.Clear(self) |
779 |
|
780 |
ID_UTMPANEL_ZONE = 4001 |
781 |
ID_UTMPANEL_SOUTH = 4002 |
782 |
ID_UTMPANEL_PROP = 4003 |
783 |
|
784 |
class UTMPanel(ProjPanel): |
785 |
"""Projection Panel for Universal Transverse Mercator.""" |
786 |
|
787 |
def __init__(self, parent, receiver): |
788 |
ProjPanel.__init__(self, parent) |
789 |
|
790 |
self.receiver = receiver |
791 |
|
792 |
self.__zone = wxSpinCtrl(self, ID_UTMPANEL_ZONE, "1", min=1, max=60) |
793 |
self.__propButton = wxButton(self, ID_UTMPANEL_PROP, _("Propose")) |
794 |
self.__south = wxCheckBox(self, ID_UTMPANEL_SOUTH, |
795 |
_("Southern Hemisphere")) |
796 |
|
797 |
self._DoLayout() |
798 |
|
799 |
EVT_BUTTON(self, ID_UTMPANEL_PROP, self._OnPropose) |
800 |
|
801 |
def _DoLayout(self): |
802 |
|
803 |
sizer = wxBoxSizer(wxVERTICAL) |
804 |
psizer = wxBoxSizer(wxHORIZONTAL) |
805 |
psizer.Add(wxStaticText(self, -1, _("Zone:")), 0, wxALL, 4) |
806 |
psizer.Add(self.__zone, 0, wxALL, 4) |
807 |
psizer.Add(self.__propButton, 0, wxALL, 4) |
808 |
sizer.Add(psizer, 0, wxALL, 4) |
809 |
sizer.Add(self.__south, 0, wxALL, 4) |
810 |
|
811 |
ProjPanel._DoLayout(self, sizer) |
812 |
|
813 |
def GetProjName(self): |
814 |
return _("Universal Transverse Mercator") |
815 |
|
816 |
def SetProjection(self, proj): |
817 |
self.__zone.SetValue(int(proj.GetParameter("zone"))) |
818 |
self.__south.SetValue(proj.GetParameter("south") != "") |
819 |
ProjPanel.SetProjection(self, proj) |
820 |
|
821 |
def GetParameters(self): |
822 |
params = ["proj=utm", "zone=" + str(self.__zone.GetValue())] |
823 |
if self.__south.IsChecked(): |
824 |
params.append("south") |
825 |
|
826 |
params.extend(ProjPanel.GetParameters(self)) |
827 |
return params |
828 |
|
829 |
def Clear(self): |
830 |
self.__zone.SetValue(1) |
831 |
self.__south.SetValue(False) |
832 |
ProjPanel.Clear(self) |
833 |
|
834 |
def _OnPropose(self, event): |
835 |
"""Call the propose dialog. |
836 |
If the receiver (e.g. the current map) has no bounding box, |
837 |
inform the user accordingly. |
838 |
""" |
839 |
bb = self.receiver.BoundingBox() |
840 |
if bb is None: |
841 |
dlg = wxMessageDialog(self, |
842 |
_("Can not propose: No bounding box found."), |
843 |
_("Projection: Propose UTM Zone"), |
844 |
wxOK | wxICON_INFORMATION) |
845 |
dlg.CenterOnParent() |
846 |
result = dlg.ShowModal() |
847 |
dlg.Destroy() |
848 |
return |
849 |
|
850 |
dlg = UTMProposeZoneDialog(self, self.receiver.BoundingBox()) |
851 |
if dlg.ShowModal() == wxID_OK: |
852 |
self.__zone.SetValue(dlg.GetProposedZone()) |
853 |
|
854 |
class LCCPanel(ProjPanel): |
855 |
"""Projection Panel for Lambert Conic Conformal.""" |
856 |
|
857 |
def __init__(self, parent, receiver): |
858 |
ProjPanel.__init__(self, parent) |
859 |
|
860 |
self.__fspLatitude = wxTextCtrl(self, -1) |
861 |
self.__sspLatitude = wxTextCtrl(self, -1) |
862 |
self.__originLat = wxTextCtrl(self, -1) |
863 |
self.__meridian = wxTextCtrl(self, -1) |
864 |
self.__falseEast = wxTextCtrl(self, -1) |
865 |
self.__falseNorth = wxTextCtrl(self, -1) |
866 |
|
867 |
self._DoLayout() |
868 |
|
869 |
def _DoLayout(self): |
870 |
|
871 |
sizer = wxFlexGridSizer(6, 2, 0, 0) |
872 |
sizer.Add(wxStaticText(self, -1, |
873 |
_("Latitude of first standard parallel:"))) |
874 |
sizer.Add(self.__fspLatitude, 0, wxALL, 4) |
875 |
sizer.Add(wxStaticText(self, -1, |
876 |
_("Latitude of second standard parallel:"))) |
877 |
sizer.Add(self.__sspLatitude, 0, wxALL, 4) |
878 |
sizer.Add(wxStaticText(self, -1, _("Central Meridian:"))) |
879 |
sizer.Add(self.__meridian, 0, wxALL, 4) |
880 |
sizer.Add(wxStaticText(self, -1, _("Latitude of origin:"))) |
881 |
sizer.Add(self.__originLat, 0, wxALL, 4) |
882 |
sizer.Add(wxStaticText(self, -1, _("False Easting:"))) |
883 |
sizer.Add(self.__falseEast, 0, wxALL, 4) |
884 |
sizer.Add(wxStaticText(self, -1, _("False Northing:"))) |
885 |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
886 |
|
887 |
ProjPanel._DoLayout(self, sizer) |
888 |
|
889 |
def GetProjName(self): |
890 |
return _("Lambert Conic Conformal") |
891 |
|
892 |
def SetProjection(self, proj): |
893 |
self.__fspLatitude.SetValue(proj.GetParameter("lat_1")) |
894 |
self.__sspLatitude.SetValue(proj.GetParameter("lat_2")) |
895 |
self.__originLat.SetValue(proj.GetParameter("lat_0")) |
896 |
self.__meridian.SetValue(proj.GetParameter("lon_0")) |
897 |
self.__falseEast.SetValue(proj.GetParameter("x_0")) |
898 |
self.__falseNorth.SetValue(proj.GetParameter("y_0")) |
899 |
|
900 |
ProjPanel.SetProjection(self, proj) |
901 |
|
902 |
def GetParameters(self): |
903 |
params = ["proj=lcc", |
904 |
"lat_1=" + self.__fspLatitude.GetValue(), |
905 |
"lat_2=" + self.__sspLatitude.GetValue(), |
906 |
"lat_0=" + self.__originLat.GetValue(), |
907 |
"lon_0=" + self.__meridian.GetValue(), |
908 |
"x_0=" + self.__falseEast.GetValue(), |
909 |
"y_0=" + self.__falseNorth.GetValue()] |
910 |
|
911 |
params.extend(ProjPanel.GetParameters(self)) |
912 |
return params |
913 |
|
914 |
def Clear(self): |
915 |
self.__fspLatitude.Clear() |
916 |
self.__sspLatitude.Clear() |
917 |
self.__originLat.Clear() |
918 |
self.__meridian.Clear() |
919 |
self.__falseEast.Clear() |
920 |
self.__falseNorth.Clear() |
921 |
|
922 |
ProjPanel.Clear(self) |
923 |
|
924 |
class GeoPanel(ProjPanel): |
925 |
"""Projection Panel for a Geographic Projection.""" |
926 |
|
927 |
def __init__(self, parent, receiver): |
928 |
ProjPanel.__init__(self, parent) |
929 |
|
930 |
self.__choices = [(_("Degrees"), "0.017453"), |
931 |
(_("Radians"), "1")] |
932 |
|
933 |
self.__scale = wxChoice(self, -1) |
934 |
for choice, value in self.__choices: |
935 |
self.__scale.Append(choice, value) |
936 |
|
937 |
self._DoLayout() |
938 |
|
939 |
def GetProjName(self): |
940 |
return _("Geographic") |
941 |
|
942 |
def SetProjection(self, proj): |
943 |
value = proj.GetParameter("to_meter") |
944 |
for i in range(len(self.__choices)): |
945 |
choice, data = self.__choices[i] |
946 |
if value == data: |
947 |
self.__scale.SetSelection(i) |
948 |
ProjPanel.SetProjection(self, proj) |
949 |
|
950 |
def GetParameters(self): |
951 |
params = ["proj=latlong", |
952 |
"to_meter=%s" % self.__scale.GetClientData( |
953 |
self.__scale.GetSelection())] |
954 |
|
955 |
params.extend(ProjPanel.GetParameters(self)) |
956 |
return params |
957 |
|
958 |
def Clear(self): |
959 |
ProjPanel.Clear(self) |
960 |
|
961 |
def _DoLayout(self): |
962 |
sizer = wxBoxSizer(wxHORIZONTAL) |
963 |
|
964 |
sizer.Add(wxStaticText(self, -1, _("Source Data is in: ")), |
965 |
0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
966 |
sizer.Add(self.__scale, 1, wxEXPAND|wxALL, 4) |
967 |
|
968 |
self.__scale.SetSelection(0) |
969 |
|
970 |
ProjPanel._DoLayout(self, sizer) |
971 |
|
972 |
|
973 |
ID_UTM_PROPOSE_ZONE_DIALOG_TAKE = 4001 |
974 |
ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL = 4002 |
975 |
class UTMProposeZoneDialog(wxDialog): |
976 |
|
977 |
"""Propose a sensible Zone considering the current map extent.""" |
978 |
|
979 |
def __init__(self, parent, (x, y, x2, y2)): |
980 |
wxDialog.__init__(self, parent, -1, _("Projection: Propose UTM Zone"), |
981 |
wxDefaultPosition, wxSize(200, 100)) |
982 |
self.parent = parent |
983 |
x = x + 180 |
984 |
x2 = x2 + 180 |
985 |
center = (x2 - x) / 2 + x |
986 |
self.proposedZone = int(center / 6 + 1) |
987 |
self.dialogLayout() |
988 |
|
989 |
def dialogLayout(self): |
990 |
topBox = wxBoxSizer(wxVERTICAL) |
991 |
|
992 |
textBox = wxBoxSizer(wxVERTICAL) |
993 |
textBox.Add(wxStaticText(self, -1, _("The current map extent center " |
994 |
"lies in UTM Zone")), |
995 |
0, wxALIGN_CENTER|wxALL, 4) |
996 |
textBox.Add(wxStaticText(self, -1, str(self.proposedZone)), |
997 |
0, wxALIGN_CENTER|wxALL, 4) |
998 |
|
999 |
topBox.Add(textBox, 1, wxEXPAND|wxALL, 4) |
1000 |
|
1001 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
1002 |
buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, |
1003 |
_("Take")), 0, wxALL, 4) |
1004 |
buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, |
1005 |
_("Cancel")), 0, wxALL, 4) |
1006 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 10) |
1007 |
EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, self.OnTake) |
1008 |
EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, self.OnCancel) |
1009 |
|
1010 |
self.SetAutoLayout(True) |
1011 |
self.SetSizer(topBox) |
1012 |
topBox.Fit(self) |
1013 |
topBox.SetSizeHints(self) |
1014 |
|
1015 |
def OnTake(self, event): |
1016 |
self.EndModal(wxID_OK) |
1017 |
|
1018 |
def OnCancel(self, event): |
1019 |
self.EndModal(wxID_CANCEL) |
1020 |
|
1021 |
def GetProposedZone(self): |
1022 |
return self.proposedZone |