| 1 |
# Copyright (c) 2003 by Intevation GmbH |
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# Authors: |
| 3 |
# Jonathan Coles <[email protected]> |
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# |
| 5 |
# 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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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 GetUserProjFiles, GetSystemProjFiles, \ |
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ReadProjFile, WriteProjFile |
| 17 |
from Thuban.UI.dialogs import NonModalDialog |
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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(NonModalDialog): |
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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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NonModalDialog.__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.panel_buttons = 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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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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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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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, _("Remove")) |
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self.button_new = wxButton(self.panel_edit, ID_PROJ_NEW, _("New")) |
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self.button_save = wxButton(self.panel_edit, ID_PROJ_SAVE,_("Save")) |
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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_try = wxButton(self.panel_buttons, wxID_APPLY, _("Try")) |
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self.button_revert = wxButton(self.panel_buttons, ID_PROJ_REVERT, |
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_("Revert")) |
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self.button_ok = wxButton(self.panel_buttons, wxID_OK, _("OK")) |
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self.button_ok.SetDefault() |
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self.button_close = wxButton(self.panel_buttons, 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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# wxGlade |
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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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|
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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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|
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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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WriteProjFile(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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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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WriteProjFile(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() |
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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 = ReadProjFile(path) |
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for proj in projFile.GetProjections(): |
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self.__usrProjFile.Add(proj) |
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WriteProjFile(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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WriteProjFile(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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WriteProjFile(projfile) |
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except IOError, (errno, errstr): |
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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. |
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""" |
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|
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sel = self.availprojs.GetSelections() |
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|
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self.button_import.Enable(True) |
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self.button_export.Enable(True) |
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self.button_save.Enable(True) |
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self.button_remove.Enable(True) |
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|
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self.panel_edit.Enable(True) |
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|
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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]: |
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ctrl.Enable(True) |
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|
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if self.curProjPanel is not None: |
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self.curProjPanel.Enable(True) |
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|
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if len(sel) == 0: |
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self.button_import.Enable(True) |
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self.button_export.Enable(False) |
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self.button_remove.Enable(False) |
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|
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elif len(sel) == 1: |
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|
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proj, projFile = self.availprojs.GetClientData(sel[0]) |
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|
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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) |
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|
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if proj is None: |
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# <None> is selected |
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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) |
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|
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if self.curProjPanel is not None: |
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self.curProjPanel.Enable(False) |
| 336 |
|
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elif proj is self.originalProjection: |
| 338 |
self.button_remove.Enable(False) |
| 339 |
|
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if projFile is None: |
| 341 |
self.button_save.Enable(False) |
| 342 |
|
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else: |
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self.panel_edit.Enable(False) |
| 345 |
|
| 346 |
def __DoOnProjAvail(self): |
| 347 |
|
| 348 |
sel = self.availprojs.GetSelections() |
| 349 |
if len(sel) == 1: |
| 350 |
|
| 351 |
proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ] |
| 352 |
projfile = self.availprojs.GetClientData(sel[0])[CLIENT_PROJFILE] |
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|
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if proj is None: |
| 355 |
# user selected <None> |
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self.projname.Clear() |
| 357 |
|
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else: |
| 359 |
|
| 360 |
if projfile is not None: |
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self.projfilepath.SetLabel(projfile.GetFilename()) |
| 362 |
else: |
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# only None if the currently used projection is selected |
| 364 |
self.projfilepath.SetLabel("") |
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|
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self.projname.SetValue(proj.GetName()) |
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|
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myProjType = proj.GetParameter("proj") |
| 369 |
i = 0 |
| 370 |
for projType, name, clazz in self.projPanels: |
| 371 |
if myProjType == projType: |
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self.projchoice.SetSelection(i) |
| 373 |
self.__DoOnProjChoice() |
| 374 |
|
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# |
| 376 |
# self.curProjPanel should not be null |
| 377 |
# after a call to __DoOnProjChoice |
| 378 |
# |
| 379 |
assert self.curProjPanel is not None |
| 380 |
|
| 381 |
self.curProjPanel.SetProjection(proj) |
| 382 |
i += 1 |
| 383 |
|
| 384 |
self.__VerifyButtons() |
| 385 |
|
| 386 |
def _OnProjChoice(self, event): |
| 387 |
self.__DoOnProjChoice() |
| 388 |
|
| 389 |
def __DoOnProjChoice(self): |
| 390 |
"""Create and layout a projection panel based on the selected |
| 391 |
projection type. |
| 392 |
|
| 393 |
This is necessary to have in seperate method since calls to |
| 394 |
wxChoice.SetSelection() do not trigger an event. |
| 395 |
|
| 396 |
At the end of this method self.curProjPanel will not be None |
| 397 |
if there was a item selected. |
| 398 |
""" |
| 399 |
|
| 400 |
choice = self.projchoice |
| 401 |
|
| 402 |
sel = choice.GetSelection() |
| 403 |
if sel != -1: |
| 404 |
|
| 405 |
clazz, obj = choice.GetClientData(sel) |
| 406 |
|
| 407 |
if obj is None: |
| 408 |
obj = clazz(self.panel_edit, self.receiver) |
| 409 |
choice.SetClientData(sel, [clazz, obj]) |
| 410 |
|
| 411 |
if self.curProjPanel is not None: |
| 412 |
self.curProjPanel.Hide() |
| 413 |
self.sizer_projctrls.Remove(self.curProjPanel) |
| 414 |
|
| 415 |
self.curProjPanel = obj |
| 416 |
self.curProjPanel.Show() |
| 417 |
|
| 418 |
self.sizer_projctrls.Add(self.curProjPanel, 1, |
| 419 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 3) |
| 420 |
self.sizer_projctrls.Layout() |
| 421 |
self.Layout() |
| 422 |
self.topBox.SetSizeHints(self) |
| 423 |
|
| 424 |
def __SetProjection(self): |
| 425 |
"""Set the receiver's projection.""" |
| 426 |
|
| 427 |
# |
| 428 |
# save the original projection only once in case |
| 429 |
# we try to apply several different projections |
| 430 |
# |
| 431 |
self.receiver.SetProjection(self.__GetProjection()) |
| 432 |
|
| 433 |
def __GetProjection(self): |
| 434 |
"""Return a suitable Projection object based on the current |
| 435 |
state of the dialog box selections. |
| 436 |
|
| 437 |
Could be None. |
| 438 |
""" |
| 439 |
|
| 440 |
sel = self.availprojs.GetSelections() |
| 441 |
assert len(sel) < 2, "button should be disabled" |
| 442 |
|
| 443 |
|
| 444 |
if len(sel) == 1: |
| 445 |
proj = self.availprojs.GetClientData(sel[0])[CLIENT_PROJ] |
| 446 |
if proj is None: |
| 447 |
# <None> is selected |
| 448 |
return None |
| 449 |
|
| 450 |
# |
| 451 |
# self.curProjPanel should always contain the most |
| 452 |
# relevant data for a projection |
| 453 |
# |
| 454 |
if self.curProjPanel is not None: |
| 455 |
return Projection(self.curProjPanel.GetParameters(), |
| 456 |
self.projname.GetValue()) |
| 457 |
|
| 458 |
return None |
| 459 |
|
| 460 |
def __FillAvailList(self, selectCurrent = False): |
| 461 |
"""Populate the list of available projections. |
| 462 |
|
| 463 |
selectCurrent -- if True, select the projection used by |
| 464 |
the receiver, otherwise select nothing. |
| 465 |
""" |
| 466 |
|
| 467 |
self.availprojs.Clear() |
| 468 |
|
| 469 |
# |
| 470 |
# We add the current projection to the list first so that |
| 471 |
# we are sure that it's at index 0. That way we can |
| 472 |
# set the selection with confidence. The problem is the |
| 473 |
# the list is automatically sorted when an item is appended |
| 474 |
# and the index of where it was inserted is not returned. |
| 475 |
# |
| 476 |
proj = self.receiver.GetProjection() |
| 477 |
if proj is not None: |
| 478 |
self.availprojs.Append(_("%s (current)") % proj.GetName(), |
| 479 |
[proj, None]) |
| 480 |
if selectCurrent: |
| 481 |
self.availprojs.SetSelection(0) |
| 482 |
self.availprojs.SetFirstItem(0) |
| 483 |
|
| 484 |
# |
| 485 |
# the list can never be empty. there will always be |
| 486 |
# at least this one item |
| 487 |
# |
| 488 |
self.availprojs.Append("<None>", (None, None)) |
| 489 |
|
| 490 |
# proj is only None when <None> should be selected |
| 491 |
if proj is None and selectCurrent: |
| 492 |
self.availprojs.SetSelection(0) |
| 493 |
self.availprojs.SetFirstItem(0) |
| 494 |
|
| 495 |
projfile = GetSystemProjFiles() |
| 496 |
projfile = projfile[0] |
| 497 |
for proj in projfile.GetProjections(): |
| 498 |
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
| 499 |
self.__sysProjFile = projfile |
| 500 |
|
| 501 |
projfile = GetUserProjFiles() |
| 502 |
projfile = projfile[0] |
| 503 |
for proj in projfile.GetProjections(): |
| 504 |
self.availprojs.Append(proj.GetName(), [proj, projfile]) |
| 505 |
self.__usrProjFile = projfile |
| 506 |
|
| 507 |
for proj, name, clazz in self.projPanels: |
| 508 |
self.projchoice.Append(name, [clazz, None]) |
| 509 |
|
| 510 |
def __set_properties(self): |
| 511 |
|
| 512 |
#self.availprojs.SetSelection(0) |
| 513 |
self.projchoice.SetSelection(0) |
| 514 |
|
| 515 |
self.__FillAvailList(selectCurrent = True) |
| 516 |
|
| 517 |
self.projname.SetMaxLength(32) |
| 518 |
|
| 519 |
def __do_layout(self): |
| 520 |
# originally generated by wxGlade |
| 521 |
|
| 522 |
self.topBox = wxBoxSizer(wxVERTICAL) |
| 523 |
self.sizer_panel = wxBoxSizer(wxVERTICAL) |
| 524 |
sizer_6 = wxBoxSizer(wxHORIZONTAL) |
| 525 |
self.sizer_mainctrls = wxBoxSizer(wxHORIZONTAL) |
| 526 |
self.sizer_edit = wxStaticBoxSizer(wxStaticBox(self.panel_edit, -1, _("Edit")), wxHORIZONTAL) |
| 527 |
sizer_11 = wxBoxSizer(wxVERTICAL) |
| 528 |
self.sizer_projctrls = wxBoxSizer(wxVERTICAL) |
| 529 |
sizer_14 = wxBoxSizer(wxHORIZONTAL) |
| 530 |
sizer_13 = wxBoxSizer(wxHORIZONTAL) |
| 531 |
sizer_15 = wxBoxSizer(wxVERTICAL) |
| 532 |
sizer_15.Add(self.button_import, 0, wxALL, 4) |
| 533 |
sizer_15.Add(self.button_export, 0, wxALL, 4) |
| 534 |
sizer_15.Add(20, 20, 0, wxEXPAND, 0) |
| 535 |
sizer_15.Add(self.button_remove, 0, wxALL|wxALIGN_BOTTOM, 4) |
| 536 |
|
| 537 |
# list controls |
| 538 |
grid_sizer_1 = wxFlexGridSizer(3, 2, 0, 0) |
| 539 |
grid_sizer_1.Add(self.label_5, 0, wxLEFT|wxRIGHT|wxTOP, 4) |
| 540 |
grid_sizer_1.Add(20, 20, 0, wxEXPAND, 0) |
| 541 |
grid_sizer_1.Add(self.availprojs, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4) |
| 542 |
grid_sizer_1.Add(sizer_15, 0, wxALL|wxEXPAND, 4) |
| 543 |
grid_sizer_1.Add(self.projfilepath, 0, wxALL|wxADJUST_MINSIZE, 4) |
| 544 |
grid_sizer_1.AddGrowableRow(1) |
| 545 |
grid_sizer_1.AddGrowableCol(0) |
| 546 |
|
| 547 |
# edit controls |
| 548 |
sizer_13.Add(self.label_2, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
| 549 |
sizer_13.Add(self.projname, 1, wxALL, 4) |
| 550 |
self.sizer_projctrls.Add(sizer_13, 0, wxEXPAND, 0) |
| 551 |
sizer_14.Add(self.label_3, 0, wxALL|wxALIGN_CENTER_VERTICAL, 4) |
| 552 |
sizer_14.Add(self.projchoice, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4) |
| 553 |
self.sizer_projctrls.Add(sizer_14, 0, wxEXPAND, 0) |
| 554 |
self.sizer_edit.Add(self.sizer_projctrls, 1, wxEXPAND, 0) |
| 555 |
sizer_11.Add(self.button_new, 0, wxALL|wxEXPAND, 4) |
| 556 |
sizer_11.Add(self.button_save, 0, wxALL|wxEXPAND, 4) |
| 557 |
sizer_11.Add(self.button_add, 0, wxALL|wxEXPAND, 4) |
| 558 |
self.sizer_edit.Add(sizer_11, 0, wxALL|wxEXPAND, 4) |
| 559 |
|
| 560 |
sizer_6.Add(20, 20, 1, wxEXPAND, 0) |
| 561 |
sizer_6.Add(self.button_try, 0, wxALL, 4) |
| 562 |
sizer_6.Add(20, 20, 1, 0, 0) |
| 563 |
sizer_6.Add(self.button_revert, 0, wxALL, 4) |
| 564 |
sizer_6.Add(20, 20, 1, 0, 0) |
| 565 |
sizer_6.Add(self.button_ok, 0, wxALL, 4) |
| 566 |
sizer_6.Add(20, 20, 1, 0, 0) |
| 567 |
sizer_6.Add(self.button_close, 0, wxALL, 4) |
| 568 |
sizer_6.Add(20, 20, 1, wxEXPAND, 0) |
| 569 |
|
| 570 |
self.panel_1.SetAutoLayout(1) |
| 571 |
self.panel_1.SetSizer(grid_sizer_1) |
| 572 |
grid_sizer_1.Fit(self.panel_1) |
| 573 |
grid_sizer_1.SetSizeHints(self.panel_1) |
| 574 |
|
| 575 |
self.panel_edit.SetAutoLayout(1) |
| 576 |
self.panel_edit.SetSizer(self.sizer_edit) |
| 577 |
self.sizer_edit.Fit(self.panel_edit) |
| 578 |
self.sizer_edit.SetSizeHints(self.panel_edit) |
| 579 |
|
| 580 |
self.panel_buttons.SetAutoLayout(1) |
| 581 |
self.panel_buttons.SetSizer(sizer_6) |
| 582 |
sizer_6.Fit(self.panel_buttons) |
| 583 |
sizer_6.SetSizeHints(self.panel_buttons) |
| 584 |
|
| 585 |
self.sizer_mainctrls.Add(self.panel_1, 0, |
| 586 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 0) |
| 587 |
self.sizer_mainctrls.Add(self.panel_edit, 1, |
| 588 |
wxALL|wxEXPAND|wxADJUST_MINSIZE, 0) |
| 589 |
|
| 590 |
self.topBox.Add(self.sizer_mainctrls, 1, wxALL|wxEXPAND, 4) |
| 591 |
self.topBox.Add(self.panel_buttons, 0, wxEXPAND, 0) |
| 592 |
|
| 593 |
self.SetAutoLayout(1) |
| 594 |
self.SetSizer(self.topBox) |
| 595 |
self.topBox.Fit(self) |
| 596 |
self.topBox.SetSizeHints(self) |
| 597 |
self.Layout() |
| 598 |
|
| 599 |
# end of class ProjFrame |
| 600 |
|
| 601 |
|
| 602 |
class ProjPanel(wxPanel): |
| 603 |
"""Base class for all projection panels.""" |
| 604 |
|
| 605 |
def __init__(self, parent): |
| 606 |
wxPanel.__init__(self, parent, -1) |
| 607 |
|
| 608 |
self.__ellps = wxChoice(self, -1) |
| 609 |
self.ellpsData = [("airy" , _("Airy")), |
| 610 |
("bessel", _("Bessel 1841")), |
| 611 |
("clrk66", _("Clarke 1866")), |
| 612 |
("clrk80", _("Clarke 1880")), |
| 613 |
("GRS80" , _("GRS 1980 (IUGG, 1980)")), |
| 614 |
("intl" , _("International 1909 (Hayford)")), |
| 615 |
("WGS84" , _("WGS 84"))] |
| 616 |
|
| 617 |
for tag, name in self.ellpsData: |
| 618 |
self.__ellps.Append(name, tag) |
| 619 |
|
| 620 |
self.__ellps.SetSelection(0) |
| 621 |
|
| 622 |
def _DoLayout(self, childPanel = None): |
| 623 |
|
| 624 |
panelSizer = wxBoxSizer(wxVERTICAL) |
| 625 |
|
| 626 |
if childPanel is not None: |
| 627 |
panelSizer.Add(childPanel, 0, wxEXPAND, 0) |
| 628 |
|
| 629 |
sizer = wxBoxSizer(wxHORIZONTAL) |
| 630 |
sizer.Add(wxStaticText(self, -1, _("Ellipsoid:")), 0, wxALL, 4) |
| 631 |
sizer.Add(self.__ellps, 1, wxALL|wxEXPAND|wxADJUST_MINSIZE, 4) |
| 632 |
panelSizer.Add(sizer, 0, wxALL|wxEXPAND, 4) |
| 633 |
|
| 634 |
self.SetAutoLayout(1) |
| 635 |
self.SetSizer(panelSizer) |
| 636 |
panelSizer.Fit(self) |
| 637 |
panelSizer.SetSizeHints(self) |
| 638 |
self.Layout() |
| 639 |
|
| 640 |
def SetProjection(self, proj): |
| 641 |
if proj is not None: |
| 642 |
param = proj.GetParameter("ellps") |
| 643 |
i = 0 |
| 644 |
for tag, name in self.ellpsData: |
| 645 |
if param == tag: |
| 646 |
self.__ellps.SetSelection(i) |
| 647 |
return # returning early! |
| 648 |
i += 1 |
| 649 |
|
| 650 |
# |
| 651 |
# if proj is none, or the parameter couldn't be found... |
| 652 |
# |
| 653 |
self.__ellps.SetSelection(0) |
| 654 |
|
| 655 |
def GetParameters(self): |
| 656 |
return ["ellps=" + self.__ellps.GetClientData( |
| 657 |
self.__ellps.GetSelection())] |
| 658 |
|
| 659 |
|
| 660 |
ID_TMPANEL_LAT = 4001 |
| 661 |
ID_TMPANEL_LONG = 4002 |
| 662 |
ID_TMPANEL_FASLE_EAST = 4003 |
| 663 |
ID_TMPANEL_FALSE_NORTH = 4004 |
| 664 |
ID_TMPANEL_SCALE = 4005 |
| 665 |
|
| 666 |
class UnknownProjPanel(ProjPanel): |
| 667 |
def __init__(self, parent, receiver): |
| 668 |
ProjPanel.__init__(self, parent) |
| 669 |
|
| 670 |
self._DoLayout() |
| 671 |
|
| 672 |
def _DoLayout(self): |
| 673 |
sizer = wxBoxSizer(wxVERTICAL) |
| 674 |
|
| 675 |
sizer.Add(wxStaticText(self, -1, |
| 676 |
_("Thuban does not know the parameters for the " + |
| 677 |
"current projection and cannot display a " + |
| 678 |
"configuration panel."))) |
| 679 |
|
| 680 |
ProjPanel._DoLayout(self, sizer) |
| 681 |
|
| 682 |
def GetProjName(self): |
| 683 |
return "Unknown" |
| 684 |
|
| 685 |
def SetProjection(self, proj): |
| 686 |
pass |
| 687 |
|
| 688 |
def GetParameters(self): |
| 689 |
return None |
| 690 |
|
| 691 |
class TMPanel(ProjPanel): |
| 692 |
"""Projection panel for Transverse Mercator.""" |
| 693 |
|
| 694 |
def __init__(self, parent, receiver): |
| 695 |
ProjPanel.__init__(self, parent) |
| 696 |
|
| 697 |
self.__latitude = wxTextCtrl(self, ID_TMPANEL_LAT) |
| 698 |
self.__longitude = wxTextCtrl(self, ID_TMPANEL_LONG) |
| 699 |
self.__falseEast = wxTextCtrl(self, ID_TMPANEL_FASLE_EAST) |
| 700 |
self.__falseNorth = wxTextCtrl(self, ID_TMPANEL_FALSE_NORTH) |
| 701 |
self.__scale = wxTextCtrl(self, ID_TMPANEL_SCALE) |
| 702 |
|
| 703 |
self._DoLayout() |
| 704 |
|
| 705 |
def _DoLayout(self): |
| 706 |
|
| 707 |
sizer = wxFlexGridSizer(4, 4, 0, 0) |
| 708 |
sizer.Add(wxStaticText(self, -1, _("Latitude:")), 0, wxALL, 4) |
| 709 |
sizer.Add(self.__latitude, 0, wxALL, 4) |
| 710 |
sizer.Add(wxStaticText(self, -1, _("False Easting:")), 0, wxALL, 4) |
| 711 |
sizer.Add(self.__falseEast, 0, wxALL, 4) |
| 712 |
sizer.Add(wxStaticText(self, -1, _("Longitude:")), 0, wxALL, 4) |
| 713 |
sizer.Add(self.__longitude, 0, wxALL, 4) |
| 714 |
sizer.Add(wxStaticText(self, -1, _("False Northing:")), 0, wxALL, 4) |
| 715 |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
| 716 |
sizer.Add(wxStaticText(self, -1, _("Scale Factor:")), 0, wxALL, 4) |
| 717 |
sizer.Add(self.__scale, 0, wxALL, 4) |
| 718 |
|
| 719 |
ProjPanel._DoLayout(self, sizer) |
| 720 |
|
| 721 |
def GetProjName(self): |
| 722 |
return _("Transverse Mercator") |
| 723 |
|
| 724 |
def SetProjection(self, proj): |
| 725 |
ProjPanel.SetProjection(self, proj) |
| 726 |
|
| 727 |
self.__latitude.SetValue(proj.GetParameter("lat_0")) |
| 728 |
self.__longitude.SetValue(proj.GetParameter("lon_0")) |
| 729 |
self.__falseEast.SetValue(proj.GetParameter("x_0")) |
| 730 |
self.__falseNorth.SetValue(proj.GetParameter("y_0")) |
| 731 |
self.__scale.SetValue(proj.GetParameter("k")) |
| 732 |
|
| 733 |
ProjPanel.SetProjection(self, proj) |
| 734 |
|
| 735 |
def GetParameters(self): |
| 736 |
params = ["proj=tmerc", |
| 737 |
"lat_0=" + self.__latitude.GetValue(), |
| 738 |
"lon_0=" + self.__longitude.GetValue(), |
| 739 |
"x_0=" + self.__falseEast.GetValue(), |
| 740 |
"y_0=" + self.__falseNorth.GetValue(), |
| 741 |
"k=" + self.__scale.GetValue()] |
| 742 |
params.extend(ProjPanel.GetParameters(self)) |
| 743 |
return params |
| 744 |
|
| 745 |
def Clear(self): |
| 746 |
self.__latitude.Clear() |
| 747 |
self.__longitude.Clear() |
| 748 |
self.__falseEast.Clear() |
| 749 |
self.__falseNorth.Clear() |
| 750 |
self.__scale.Clear() |
| 751 |
|
| 752 |
ProjPanel.Clear(self) |
| 753 |
|
| 754 |
ID_UTMPANEL_ZONE = 4001 |
| 755 |
ID_UTMPANEL_SOUTH = 4002 |
| 756 |
ID_UTMPANEL_PROP = 4003 |
| 757 |
|
| 758 |
class UTMPanel(ProjPanel): |
| 759 |
"""Projection Panel for Universal Transverse Mercator.""" |
| 760 |
|
| 761 |
def __init__(self, parent, receiver): |
| 762 |
ProjPanel.__init__(self, parent) |
| 763 |
|
| 764 |
self.receiver = receiver |
| 765 |
|
| 766 |
self.__zone = wxSpinCtrl(self, ID_UTMPANEL_ZONE, "1", min=1, max=60) |
| 767 |
self.__propButton = wxButton(self, ID_UTMPANEL_PROP, _("Propose")) |
| 768 |
self.__south = wxCheckBox(self, ID_UTMPANEL_SOUTH, |
| 769 |
_("Southern Hemisphere")) |
| 770 |
|
| 771 |
self._DoLayout() |
| 772 |
|
| 773 |
EVT_BUTTON(self, ID_UTMPANEL_PROP, self._OnPropose) |
| 774 |
|
| 775 |
def _DoLayout(self): |
| 776 |
|
| 777 |
sizer = wxBoxSizer(wxVERTICAL) |
| 778 |
psizer = wxBoxSizer(wxHORIZONTAL) |
| 779 |
psizer.Add(wxStaticText(self, -1, _("Zone:")), 0, wxALL, 4) |
| 780 |
psizer.Add(self.__zone, 0, wxALL, 4) |
| 781 |
psizer.Add(self.__propButton, 0, wxALL, 4) |
| 782 |
sizer.Add(psizer, 0, wxALL, 4) |
| 783 |
sizer.Add(self.__south, 0, wxALL, 4) |
| 784 |
|
| 785 |
ProjPanel._DoLayout(self, sizer) |
| 786 |
|
| 787 |
def GetProjName(self): |
| 788 |
return _("Universal Transverse Mercator") |
| 789 |
|
| 790 |
def SetProjection(self, proj): |
| 791 |
self.__zone.SetValue(int(proj.GetParameter("zone"))) |
| 792 |
self.__south.SetValue(proj.GetParameter("south") != "") |
| 793 |
ProjPanel.SetProjection(self, proj) |
| 794 |
|
| 795 |
def GetParameters(self): |
| 796 |
params = ["proj=utm", "zone=" + str(self.__zone.GetValue())] |
| 797 |
if self.__south.IsChecked(): |
| 798 |
params.append("south") |
| 799 |
|
| 800 |
params.extend(ProjPanel.GetParameters(self)) |
| 801 |
return params |
| 802 |
|
| 803 |
def Clear(self): |
| 804 |
self.__zone.SetValue(1) |
| 805 |
self.__south.SetValue(False) |
| 806 |
ProjPanel.Clear(self) |
| 807 |
|
| 808 |
def _OnPropose(self, event): |
| 809 |
UTMProposeZoneDialog |
| 810 |
dlg = UTMProposeZoneDialog(self, self.receiver.BoundingBox()) |
| 811 |
if dlg.ShowModal() == wxID_OK: |
| 812 |
self.__zone.SetValue(dlg.GetProposedZone()) |
| 813 |
|
| 814 |
class LCCPanel(ProjPanel): |
| 815 |
"""Projection Panel for Lambert Conic Conformal.""" |
| 816 |
|
| 817 |
def __init__(self, parent, receiver): |
| 818 |
ProjPanel.__init__(self, parent) |
| 819 |
|
| 820 |
self.__fspLatitude = wxTextCtrl(self, -1) |
| 821 |
self.__sspLatitude = wxTextCtrl(self, -1) |
| 822 |
self.__originLat = wxTextCtrl(self, -1) |
| 823 |
self.__meridian = wxTextCtrl(self, -1) |
| 824 |
self.__falseEast = wxTextCtrl(self, -1) |
| 825 |
self.__falseNorth = wxTextCtrl(self, -1) |
| 826 |
|
| 827 |
self._DoLayout() |
| 828 |
|
| 829 |
def _DoLayout(self): |
| 830 |
|
| 831 |
sizer = wxFlexGridSizer(6, 2, 0, 0) |
| 832 |
sizer.Add(wxStaticText(self, -1, |
| 833 |
_("Latitude of first standard parallel:"))) |
| 834 |
sizer.Add(self.__fspLatitude, 0, wxALL, 4) |
| 835 |
sizer.Add(wxStaticText(self, -1, |
| 836 |
_("Latitude of second standard parallel:"))) |
| 837 |
sizer.Add(self.__sspLatitude, 0, wxALL, 4) |
| 838 |
sizer.Add(wxStaticText(self, -1, _("Latitude of origin:"))) |
| 839 |
sizer.Add(self.__originLat, 0, wxALL, 4) |
| 840 |
sizer.Add(wxStaticText(self, -1, _("Central Meridian:"))) |
| 841 |
sizer.Add(self.__meridian, 0, wxALL, 4) |
| 842 |
sizer.Add(wxStaticText(self, -1, _("False Easting:"))) |
| 843 |
sizer.Add(self.__falseEast, 0, wxALL, 4) |
| 844 |
sizer.Add(wxStaticText(self, -1, _("False Northing:"))) |
| 845 |
sizer.Add(self.__falseNorth, 0, wxALL, 4) |
| 846 |
|
| 847 |
ProjPanel._DoLayout(self, sizer) |
| 848 |
|
| 849 |
def GetProjName(self): |
| 850 |
return _("Lambert Conic Conformal") |
| 851 |
|
| 852 |
def SetProjection(self, proj): |
| 853 |
self.__fspLatitude.SetValue(proj.GetParameter("lat_1")) |
| 854 |
self.__sspLatitude.SetValue(proj.GetParameter("lat_2")) |
| 855 |
self.__originLat.SetValue(proj.GetParameter("lat_0")) |
| 856 |
self.__meridian.SetValue(proj.GetParameter("lon_0")) |
| 857 |
self.__falseEast.SetValue(proj.GetParameter("x_0")) |
| 858 |
self.__falseNorth.SetValue(proj.GetParameter("y_0")) |
| 859 |
|
| 860 |
ProjPanel.SetProjection(self, proj) |
| 861 |
|
| 862 |
def GetParameters(self): |
| 863 |
params = ["proj=lcc", |
| 864 |
"lat_1=" + self.__fspLatitude.GetValue(), |
| 865 |
"lat_2=" + self.__sspLatitude.GetValue(), |
| 866 |
"lat_0=" + self.__originLat.GetValue(), |
| 867 |
"lon_0=" + self.__meridian.GetValue(), |
| 868 |
"x_0=" + self.__falseEast.GetValue(), |
| 869 |
"y_0=" + self.__falseNorth.GetValue()] |
| 870 |
|
| 871 |
params.extend(ProjPanel.GetParameters(self)) |
| 872 |
return params |
| 873 |
|
| 874 |
def Clear(self): |
| 875 |
self.__fspLatitude.Clear() |
| 876 |
self.__sspLatitude.Clear() |
| 877 |
self.__originLat.Clear() |
| 878 |
self.__meridian.Clear() |
| 879 |
self.__falseEast.Clear() |
| 880 |
self.__falseNorth.Clear() |
| 881 |
|
| 882 |
ProjPanel.Clear(self) |
| 883 |
|
| 884 |
class GeoPanel(ProjPanel): |
| 885 |
"""Projection Panel for a Geographic Projection.""" |
| 886 |
|
| 887 |
def __init__(self, parent, receiver): |
| 888 |
ProjPanel.__init__(self, parent) |
| 889 |
|
| 890 |
self.__choices = [(_("Radians"), "1"), |
| 891 |
(_("Degrees"), "0.017453")] |
| 892 |
|
| 893 |
self.__scale = wxChoice(self, -1) |
| 894 |
for choice, value in self.__choices: |
| 895 |
self.__scale.Append(choice, value) |
| 896 |
|
| 897 |
self._DoLayout() |
| 898 |
|
| 899 |
def GetProjName(self): |
| 900 |
return _("Geographic") |
| 901 |
|
| 902 |
def SetProjection(self, proj): |
| 903 |
value = proj.GetParameter("to_meter") |
| 904 |
for i in range(len(self.__choices)): |
| 905 |
choice, data = self.__choices[i] |
| 906 |
if value == data: |
| 907 |
self.__scale.SetSelection(i) |
| 908 |
ProjPanel.SetProjection(self, proj) |
| 909 |
|
| 910 |
def GetParameters(self): |
| 911 |
params = ["proj=latlong", |
| 912 |
"to_meter=%s" % self.__scale.GetClientData( |
| 913 |
self.__scale.GetSelection())] |
| 914 |
|
| 915 |
params.extend(ProjPanel.GetParameters(self)) |
| 916 |
return params |
| 917 |
|
| 918 |
def Clear(self): |
| 919 |
ProjPanel.Clear(self) |
| 920 |
|
| 921 |
def _DoLayout(self): |
| 922 |
sizer = wxBoxSizer(wxHORIZONTAL) |
| 923 |
|
| 924 |
sizer.Add(wxStaticText(self, -1, _("Source Data is in: ")), |
| 925 |
0, wxALL, 4) |
| 926 |
sizer.Add(self.__scale, 1, wxEXPAND|wxALL, 4) |
| 927 |
|
| 928 |
self.__scale.SetSelection(0) |
| 929 |
|
| 930 |
ProjPanel._DoLayout(self, sizer) |
| 931 |
|
| 932 |
|
| 933 |
ID_UTM_PROPOSE_ZONE_DIALOG_TAKE = 4001 |
| 934 |
ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL = 4002 |
| 935 |
class UTMProposeZoneDialog(wxDialog): |
| 936 |
|
| 937 |
"""Propose a sensible Zone considering the current map extent.""" |
| 938 |
|
| 939 |
def __init__(self, parent, (x, y, x2, y2)): |
| 940 |
wxDialog.__init__(self, parent, -1, _("Projection: Propose UTM Zone"), |
| 941 |
wxDefaultPosition, wxSize(200, 100)) |
| 942 |
self.parent = parent |
| 943 |
#x, y, x2, y2 = elf.parent.parent.map_bounding_box |
| 944 |
x = x + 180 |
| 945 |
x2 = x2 + 180 |
| 946 |
center = (x2 - x) / 2 + x |
| 947 |
self.proposedZone = int(center / 6 + 1) |
| 948 |
self.dialogLayout() |
| 949 |
|
| 950 |
def dialogLayout(self): |
| 951 |
topBox = wxBoxSizer(wxVERTICAL) |
| 952 |
|
| 953 |
textBox = wxBoxSizer(wxVERTICAL) |
| 954 |
textBox.Add(wxStaticText(self, -1, _("The current map extent center " + |
| 955 |
"lies in UTM Zone")), |
| 956 |
0, wxALIGN_CENTER|wxALL, 4) |
| 957 |
textBox.Add(wxStaticText(self, -1, str(self.proposedZone)), |
| 958 |
0, wxALIGN_CENTER|wxALL, 4) |
| 959 |
|
| 960 |
topBox.Add(textBox, 1, wxEXPAND|wxALL, 4) |
| 961 |
|
| 962 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
| 963 |
buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, |
| 964 |
_("Take")), 0, wxALL, 4) |
| 965 |
buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, |
| 966 |
_("Cancel")), 0, wxALL, 4) |
| 967 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 10) |
| 968 |
EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, self.OnTake) |
| 969 |
EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, self.OnCancel) |
| 970 |
|
| 971 |
self.SetAutoLayout(True) |
| 972 |
self.SetSizer(topBox) |
| 973 |
topBox.Fit(self) |
| 974 |
topBox.SetSizeHints(self) |
| 975 |
|
| 976 |
def OnTake(self, event): |
| 977 |
self.EndModal(wxID_OK) |
| 978 |
|
| 979 |
def OnCancel(self, event): |
| 980 |
self.EndModal(wxID_CANCEL) |
| 981 |
|
| 982 |
def GetProposedZone(self): |
| 983 |
return self.proposedZone |
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