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