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GRASS Programmer's Manual
6.5.svn(2012)-r51648
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GRASS Programmer's Manual
6.5.svn(2012)-r51648
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00001 """! 00002 @package location_wizard.dialogs 00003 00004 @brief Location wizard - dialogs 00005 00006 Classes: 00007 - dialogs::RegionDef 00008 - dialogs::TransList 00009 - dialogs::SelectTransformDialog 00010 00011 (C) 2007-2011 by the GRASS Development Team 00012 00013 This program is free software under the GNU General Public License 00014 (>=v2). Read the file COPYING that comes with GRASS for details. 00015 00016 @author Michael Barton 00017 @author Jachym Cepicky 00018 @author Martin Landa <landa.martin gmail.com> 00019 """ 00020 import os 00021 import sys 00022 00023 import wx 00024 import wx.lib.scrolledpanel as scrolled 00025 00026 from core import globalvar 00027 from core.gcmd import RunCommand 00028 from location_wizard.base import BaseClass 00029 00030 from grass.script import core as grass 00031 00032 class RegionDef(BaseClass, wx.Frame): 00033 """!Page for setting default region extents and resolution 00034 """ 00035 def __init__(self, parent, id = wx.ID_ANY, 00036 title = _("Set default region extent and resolution"), location = None): 00037 wx.Frame.__init__(self, parent, id, title, size = (650,300)) 00038 panel = wx.Panel(self, id = wx.ID_ANY) 00039 00040 self.SetIcon(wx.Icon(os.path.join(globalvar.ETCICONDIR, 'grass.ico'), wx.BITMAP_TYPE_ICO)) 00041 00042 self.parent = parent 00043 self.location = location 00044 00045 # 00046 # default values 00047 # 00048 # 2D 00049 self.north = 1.0 00050 self.south = 0.0 00051 self.east = 1.0 00052 self.west = 0.0 00053 self.nsres = 1.0 00054 self.ewres = 1.0 00055 # 3D 00056 self.top = 1.0 00057 self.bottom = 0.0 00058 # self.nsres3 = 1.0 00059 # self.ewres3 = 1.0 00060 self.tbres = 1.0 00061 00062 # 00063 # inputs 00064 # 00065 # 2D 00066 self.tnorth = self.MakeTextCtrl(text = str(self.north), size = (150, -1), parent = panel) 00067 self.tsouth = self.MakeTextCtrl(str(self.south), size = (150, -1), parent = panel) 00068 self.twest = self.MakeTextCtrl(str(self.west), size = (150, -1), parent = panel) 00069 self.teast = self.MakeTextCtrl(str(self.east), size = (150, -1), parent = panel) 00070 self.tnsres = self.MakeTextCtrl(str(self.nsres), size = (150, -1), parent = panel) 00071 self.tewres = self.MakeTextCtrl(str(self.ewres), size = (150, -1), parent = panel) 00072 00073 # 00074 # labels 00075 # 00076 self.lrows = self.MakeLabel(parent = panel) 00077 self.lcols = self.MakeLabel(parent = panel) 00078 self.lcells = self.MakeLabel(parent = panel) 00079 00080 # 00081 # buttons 00082 # 00083 self.bset = self.MakeButton(text = _("&Set region"), id = wx.ID_OK, parent = panel) 00084 self.bcancel = wx.Button(panel, id = wx.ID_CANCEL) 00085 self.bset.SetDefault() 00086 00087 # 00088 # image 00089 # 00090 self.img = wx.Image(os.path.join(globalvar.ETCIMGDIR, "qgis_world.png"), 00091 wx.BITMAP_TYPE_PNG).ConvertToBitmap() 00092 00093 # 00094 # set current working environment to PERMANENT mapset 00095 # in selected location in order to set default region (WIND) 00096 # 00097 envval = {} 00098 ret = RunCommand('g.gisenv', 00099 read = True) 00100 if ret: 00101 for line in ret.splitlines(): 00102 key, val = line.split('=') 00103 envval[key] = val 00104 self.currlocation = envval['LOCATION_NAME'].strip("';") 00105 self.currmapset = envval['MAPSET'].strip("';") 00106 if self.currlocation != self.location or self.currmapset != 'PERMANENT': 00107 RunCommand('g.gisenv', 00108 set = 'LOCATION_NAME=%s' % self.location) 00109 RunCommand('g.gisenv', 00110 set = 'MAPSET=PERMANENT') 00111 else: 00112 dlg = wx.MessageBox(parent = self, 00113 message = _('Invalid location selected.'), 00114 caption = _("Error"), style = wx.ID_OK | wx.ICON_ERROR) 00115 return 00116 00117 # 00118 # get current region settings 00119 # 00120 region = {} 00121 ret = RunCommand('g.region', 00122 read = True, 00123 flags = 'gp3') 00124 if ret: 00125 for line in ret.splitlines(): 00126 key, val = line.split('=') 00127 region[key] = float(val) 00128 else: 00129 dlg = wx.MessageBox(parent = self, 00130 message = _("Invalid region"), 00131 caption = _("Error"), style = wx.ID_OK | wx.ICON_ERROR) 00132 dlg.ShowModal() 00133 dlg.Destroy() 00134 return 00135 00136 # 00137 # update values 00138 # 2D 00139 self.north = float(region['n']) 00140 self.south = float(region['s']) 00141 self.east = float(region['e']) 00142 self.west = float(region['w']) 00143 self.nsres = float(region['nsres']) 00144 self.ewres = float(region['ewres']) 00145 self.rows = int(region['rows']) 00146 self.cols = int(region['cols']) 00147 self.cells = int(region['cells']) 00148 # 3D 00149 self.top = float(region['t']) 00150 self.bottom = float(region['b']) 00151 # self.nsres3 = float(region['nsres3']) 00152 # self.ewres3 = float(region['ewres3']) 00153 self.tbres = float(region['tbres']) 00154 self.depth = int(region['depths']) 00155 self.cells3 = int(region['cells3']) 00156 00157 # 00158 # 3D box collapsable 00159 # 00160 self.infoCollapseLabelExp = _("Click here to show 3D settings") 00161 self.infoCollapseLabelCol = _("Click here to hide 3D settings") 00162 self.settings3D = wx.CollapsiblePane(parent = panel, 00163 label = self.infoCollapseLabelExp, 00164 style = wx.CP_DEFAULT_STYLE | 00165 wx.CP_NO_TLW_RESIZE | wx.EXPAND) 00166 self.MakeSettings3DPaneContent(self.settings3D.GetPane()) 00167 self.settings3D.Collapse(False) # FIXME 00168 self.Bind(wx.EVT_COLLAPSIBLEPANE_CHANGED, self.OnSettings3DPaneChanged, self.settings3D) 00169 00170 # 00171 # set current region settings 00172 # 00173 self.tnorth.SetValue(str(self.north)) 00174 self.tsouth.SetValue(str(self.south)) 00175 self.twest.SetValue(str(self.west)) 00176 self.teast.SetValue(str(self.east)) 00177 self.tnsres.SetValue(str(self.nsres)) 00178 self.tewres.SetValue(str(self.ewres)) 00179 self.ttop.SetValue(str(self.top)) 00180 self.tbottom.SetValue(str(self.bottom)) 00181 # self.tnsres3.SetValue(str(self.nsres3)) 00182 # self.tewres3.SetValue(str(self.ewres3)) 00183 self.ttbres.SetValue(str(self.tbres)) 00184 self.lrows.SetLabel(_("Rows: %d") % self.rows) 00185 self.lcols.SetLabel(_("Cols: %d") % self.cols) 00186 self.lcells.SetLabel(_("Cells: %d") % self.cells) 00187 00188 # 00189 # bindings 00190 # 00191 self.Bind(wx.EVT_BUTTON, self.OnSetButton, self.bset) 00192 self.Bind(wx.EVT_BUTTON, self.OnCancel, self.bcancel) 00193 self.tnorth.Bind(wx.EVT_TEXT, self.OnValue) 00194 self.tsouth.Bind(wx.EVT_TEXT, self.OnValue) 00195 self.teast.Bind(wx.EVT_TEXT, self.OnValue) 00196 self.twest.Bind(wx.EVT_TEXT, self.OnValue) 00197 self.tnsres.Bind(wx.EVT_TEXT, self.OnValue) 00198 self.tewres.Bind(wx.EVT_TEXT, self.OnValue) 00199 self.ttop.Bind(wx.EVT_TEXT, self.OnValue) 00200 self.tbottom.Bind(wx.EVT_TEXT, self.OnValue) 00201 # self.tnsres3.Bind(wx.EVT_TEXT, self.OnValue) 00202 # self.tewres3.Bind(wx.EVT_TEXT, self.OnValue) 00203 self.ttbres.Bind(wx.EVT_TEXT, self.OnValue) 00204 00205 self.__DoLayout(panel) 00206 self.SetMinSize(self.GetBestSize()) 00207 self.minWindowSize = self.GetMinSize() 00208 00209 def MakeSettings3DPaneContent(self, pane): 00210 """!Create 3D region settings pane""" 00211 border = wx.BoxSizer(wx.VERTICAL) 00212 gridSizer = wx.GridBagSizer(vgap = 0, hgap = 0) 00213 00214 # inputs 00215 self.ttop = wx.TextCtrl(parent = pane, id = wx.ID_ANY, value = str(self.top), 00216 size = (150, -1)) 00217 self.tbottom = wx.TextCtrl(parent = pane, id = wx.ID_ANY, value = str(self.bottom), 00218 size = (150, -1)) 00219 self.ttbres = wx.TextCtrl(parent = pane, id = wx.ID_ANY, value = str(self.tbres), 00220 size = (150, -1)) 00221 # self.tnsres3 = wx.TextCtrl(parent = pane, id = wx.ID_ANY, value = str(self.nsres3), 00222 # size = (150, -1)) 00223 # self.tewres3 = wx.TextCtrl(parent = pane, id = wx.ID_ANY, value = str(self.ewres3), 00224 # size = (150, -1)) 00225 00226 #labels 00227 self.ldepth = wx.StaticText(parent = pane, label = _("Depth: %d") % self.depth) 00228 self.lcells3 = wx.StaticText(parent = pane, label = _("3D Cells: %d") % self.cells3) 00229 00230 # top 00231 gridSizer.Add(item = wx.StaticText(parent = pane, label = _("Top")), 00232 flag = wx.ALIGN_CENTER | 00233 wx.LEFT | wx.RIGHT | wx.TOP, border = 5, 00234 pos = (0, 1)) 00235 gridSizer.Add(item = self.ttop, 00236 flag = wx.ALIGN_CENTER_HORIZONTAL | 00237 wx.ALL, border = 5, pos = (1, 1)) 00238 # bottom 00239 gridSizer.Add(item = wx.StaticText(parent = pane, label = _("Bottom")), 00240 flag = wx.ALIGN_CENTER | 00241 wx.LEFT | wx.RIGHT | wx.TOP, border = 5, 00242 pos = (0, 2)) 00243 gridSizer.Add(item = self.tbottom, 00244 flag = wx.ALIGN_CENTER_HORIZONTAL | 00245 wx.ALL, border = 5, pos = (1, 2)) 00246 # tbres 00247 gridSizer.Add(item = wx.StaticText(parent = pane, label = _("T-B resolution")), 00248 flag = wx.ALIGN_CENTER | 00249 wx.LEFT | wx.RIGHT | wx.TOP, border = 5, 00250 pos = (0, 3)) 00251 gridSizer.Add(item = self.ttbres, 00252 flag = wx.ALIGN_CENTER_HORIZONTAL | 00253 wx.ALL, border = 5, pos = (1, 3)) 00254 00255 # res 00256 # gridSizer.Add(item = wx.StaticText(parent = pane, label = _("3D N-S resolution")), 00257 # flag = wx.ALIGN_CENTER | 00258 # wx.LEFT | wx.RIGHT | wx.TOP, border = 5, 00259 # pos = (2, 1)) 00260 # gridSizer.Add(item = self.tnsres3, 00261 # flag = wx.ALIGN_CENTER_HORIZONTAL | 00262 # wx.ALL, border = 5, pos = (3, 1)) 00263 # gridSizer.Add(item = wx.StaticText(parent = pane, label = _("3D E-W resolution")), 00264 # flag = wx.ALIGN_CENTER | 00265 # wx.LEFT | wx.RIGHT | wx.TOP, border = 5, 00266 # pos = (2, 3)) 00267 # gridSizer.Add(item = self.tewres3, 00268 # flag = wx.ALIGN_CENTER_HORIZONTAL | 00269 # wx.ALL, border = 5, pos = (3, 3)) 00270 00271 # rows/cols/cells 00272 gridSizer.Add(item = self.ldepth, 00273 flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER | 00274 wx.ALL, border = 5, pos = (2, 1)) 00275 00276 gridSizer.Add(item = self.lcells3, 00277 flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER | 00278 wx.ALL, border = 5, pos = (2, 2)) 00279 00280 border.Add(item = gridSizer, proportion = 1, 00281 flag = wx.ALL | wx.ALIGN_CENTER | wx.EXPAND, border = 5) 00282 00283 pane.SetSizer(border) 00284 border.Fit(pane) 00285 00286 def OnSettings3DPaneChanged(self, event): 00287 """!Collapse 3D settings box""" 00288 00289 if self.settings3D.IsExpanded(): 00290 self.settings3D.SetLabel(self.infoCollapseLabelCol) 00291 self.Layout() 00292 self.SetSize(self.GetBestSize()) 00293 self.SetMinSize(self.GetSize()) 00294 else: 00295 self.settings3D.SetLabel(self.infoCollapseLabelExp) 00296 self.Layout() 00297 self.SetSize(self.minWindowSize) 00298 self.SetMinSize(self.minWindowSize) 00299 00300 self.SendSizeEvent() 00301 00302 def __DoLayout(self, panel): 00303 """!Window layout""" 00304 frameSizer = wx.BoxSizer(wx.VERTICAL) 00305 gridSizer = wx.GridBagSizer(vgap = 0, hgap = 0) 00306 settings3DSizer = wx.BoxSizer(wx.VERTICAL) 00307 buttonSizer = wx.BoxSizer(wx.HORIZONTAL) 00308 00309 # north 00310 gridSizer.Add(item = self.MakeLabel(text = _("North"), parent = panel), 00311 flag = wx.ALIGN_BOTTOM | wx.ALIGN_CENTER_HORIZONTAL | 00312 wx.TOP | wx.LEFT | wx.RIGHT, border = 5, pos = (0, 2)) 00313 gridSizer.Add(item = self.tnorth, 00314 flag = wx.ALIGN_CENTER_HORIZONTAL | 00315 wx.ALIGN_CENTER_VERTICAL | 00316 wx.ALL, border = 5, pos = (1, 2)) 00317 # west 00318 gridSizer.Add(item = self.MakeLabel(text = _("West"), parent = panel), 00319 flag = wx.ALIGN_RIGHT | 00320 wx.ALIGN_CENTER_VERTICAL | 00321 wx.LEFT | wx.TOP | wx.BOTTOM, border = 5, pos = (2, 0)) 00322 gridSizer.Add(item = self.twest, 00323 flag = wx.ALIGN_RIGHT | 00324 wx.ALIGN_CENTER_VERTICAL | 00325 wx.ALL, border = 5, pos = (2, 1)) 00326 00327 gridSizer.Add(item = wx.StaticBitmap(panel, wx.ID_ANY, self.img, (-1, -1), 00328 (self.img.GetWidth(), self.img.GetHeight())), 00329 flag = wx.ALIGN_CENTER | 00330 wx.ALIGN_CENTER_VERTICAL | 00331 wx.ALL, border = 5, pos = (2, 2)) 00332 00333 # east 00334 gridSizer.Add(item = self.teast, 00335 flag = wx.ALIGN_CENTER_HORIZONTAL | 00336 wx.ALIGN_CENTER_VERTICAL | 00337 wx.ALL, border = 5, pos = (2, 3)) 00338 gridSizer.Add(item = self.MakeLabel(text = _("East"), parent = panel), 00339 flag = wx.ALIGN_LEFT | 00340 wx.ALIGN_CENTER_VERTICAL | 00341 wx.RIGHT | wx.TOP | wx.BOTTOM, border = 5, pos = (2, 4)) 00342 # south 00343 gridSizer.Add(item = self.tsouth, 00344 flag = wx.ALIGN_CENTER_HORIZONTAL | 00345 wx.ALIGN_CENTER_VERTICAL | 00346 wx.ALL, border = 5, pos = (3, 2)) 00347 gridSizer.Add(item = self.MakeLabel(text = _("South"), parent = panel), 00348 flag = wx.ALIGN_TOP | wx.ALIGN_CENTER_HORIZONTAL | 00349 wx.LEFT | wx.RIGHT | wx.BOTTOM, border = 5, pos = (4, 2)) 00350 # ns-res 00351 gridSizer.Add(item = self.MakeLabel(text = _("N-S resolution"), parent = panel), 00352 flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER | 00353 wx.TOP | wx.LEFT | wx.RIGHT, border = 5, pos = (5, 1)) 00354 gridSizer.Add(item = self.tnsres, 00355 flag = wx.ALIGN_RIGHT | 00356 wx.ALIGN_CENTER_VERTICAL | 00357 wx.ALL, border = 5, pos = (6, 1)) 00358 # ew-res 00359 gridSizer.Add(item = self.MakeLabel(text = _("E-W resolution"), parent = panel), 00360 flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER | 00361 wx.TOP | wx.LEFT | wx.RIGHT, border = 5, pos = (5, 3)) 00362 gridSizer.Add(item = self.tewres, 00363 flag = wx.ALIGN_RIGHT | 00364 wx.ALIGN_CENTER_VERTICAL | 00365 wx.ALL, border = 5, pos = (6, 3)) 00366 # rows/cols/cells 00367 gridSizer.Add(item = self.lrows, 00368 flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER | 00369 wx.ALL, border = 5, pos = (7, 1)) 00370 00371 gridSizer.Add(item = self.lcells, 00372 flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER | 00373 wx.ALL, border = 5, pos = (7, 2)) 00374 00375 gridSizer.Add(item = self.lcols, 00376 flag = wx.ALIGN_CENTER_VERTICAL | wx.ALIGN_CENTER | 00377 wx.ALL, border = 5, pos = (7, 3)) 00378 00379 # 3D 00380 settings3DSizer.Add(item = self.settings3D, 00381 flag = wx.ALL, 00382 border = 5) 00383 00384 # buttons 00385 buttonSizer.Add(item = self.bcancel, proportion = 1, 00386 flag = wx.ALIGN_RIGHT | 00387 wx.ALIGN_CENTER_VERTICAL | 00388 wx.ALL, border = 10) 00389 buttonSizer.Add(item = self.bset, proportion = 1, 00390 flag = wx.ALIGN_CENTER | 00391 wx.ALIGN_CENTER_VERTICAL | 00392 wx.ALL, border = 10) 00393 00394 frameSizer.Add(item = gridSizer, proportion = 1, 00395 flag = wx.ALL | wx.ALIGN_CENTER, border = 5) 00396 frameSizer.Add(item = settings3DSizer, proportion = 0, 00397 flag = wx.ALL | wx.ALIGN_CENTER, border = 5) 00398 frameSizer.Add(item = buttonSizer, proportion = 0, 00399 flag = wx.ALL | wx.ALIGN_RIGHT, border = 5) 00400 00401 self.SetAutoLayout(True) 00402 panel.SetSizer(frameSizer) 00403 frameSizer.Fit(panel) 00404 self.Layout() 00405 00406 def OnValue(self, event): 00407 """!Set given value""" 00408 try: 00409 if event.GetId() == self.tnorth.GetId(): 00410 self.north = float(event.GetString()) 00411 elif event.GetId() == self.tsouth.GetId(): 00412 self.south = float(event.GetString()) 00413 elif event.GetId() == self.teast.GetId(): 00414 self.east = float(event.GetString()) 00415 elif event.GetId() == self.twest.GetId(): 00416 self.west = float(event.GetString()) 00417 elif event.GetId() == self.tnsres.GetId(): 00418 self.nsres = float(event.GetString()) 00419 elif event.GetId() == self.tewres.GetId(): 00420 self.ewres = float(event.GetString()) 00421 elif event.GetId() == self.ttop.GetId(): 00422 self.top = float(event.GetString()) 00423 elif event.GetId() == self.tbottom.GetId(): 00424 self.bottom = float(event.GetString()) 00425 # elif event.GetId() == self.tnsres3.GetId(): 00426 # self.nsres3 = float(event.GetString()) 00427 # elif event.GetId() == self.tewres3.GetId(): 00428 # self.ewres3 = float(event.GetString()) 00429 elif event.GetId() == self.ttbres.GetId(): 00430 self.tbres = float(event.GetString()) 00431 00432 self.__UpdateInfo() 00433 00434 except ValueError, e: 00435 if len(event.GetString()) > 0 and event.GetString() != '-': 00436 dlg = wx.MessageBox(parent = self, 00437 message = _("Invalid value: %s") % e, 00438 caption = _("Error"), 00439 style = wx.OK | wx.ICON_ERROR) 00440 # reset values 00441 self.tnorth.SetValue(str(self.north)) 00442 self.tsouth.SetValue(str(self.south)) 00443 self.teast.SetValue(str(self.east)) 00444 self.twest.SetValue(str(self.west)) 00445 self.tnsres.SetValue(str(self.nsres)) 00446 self.tewres.SetValue(str(self.ewres)) 00447 self.ttop.SetValue(str(self.top)) 00448 self.tbottom.SetValue(str(self.bottom)) 00449 self.ttbres.SetValue(str(self.tbres)) 00450 # self.tnsres3.SetValue(str(self.nsres3)) 00451 # self.tewres3.SetValue(str(self.ewres3)) 00452 00453 event.Skip() 00454 00455 def __UpdateInfo(self): 00456 """!Update number of rows/cols/cells""" 00457 self.rows = int((self.north - self.south) / self.nsres) 00458 self.cols = int((self.east - self.west) / self.ewres) 00459 self.cells = self.rows * self.cols 00460 00461 self.depth = int((self.top - self.bottom) / self.tbres) 00462 self.cells3 = self.rows * self.cols * self.depth 00463 00464 # 2D 00465 self.lrows.SetLabel(_("Rows: %d") % self.rows) 00466 self.lcols.SetLabel(_("Cols: %d") % self.cols) 00467 self.lcells.SetLabel(_("Cells: %d") % self.cells) 00468 # 3D 00469 self.ldepth.SetLabel(_("Depth: %d" % self.depth)) 00470 self.lcells3.SetLabel(_("3D Cells: %d" % self.cells3)) 00471 00472 def OnSetButton(self, event = None): 00473 """!Set default region""" 00474 ret = RunCommand('g.region', 00475 flags = 'sgpa', 00476 n = self.north, 00477 s = self.south, 00478 e = self.east, 00479 w = self.west, 00480 nsres = self.nsres, 00481 ewres = self.ewres, 00482 t = self.top, 00483 b = self.bottom, 00484 tbres = self.tbres) 00485 if ret == 0: 00486 self.Destroy() 00487 00488 def OnCancel(self, event): 00489 self.Destroy() 00490 00491 class TransList(wx.VListBox): 00492 """!Creates a multiline listbox for selecting datum transforms""" 00493 00494 def OnDrawItem(self, dc, rect, n): 00495 if self.GetSelection() == n: 00496 c = wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT) 00497 else: 00498 c = self.GetForegroundColour() 00499 dc.SetFont(self.GetFont()) 00500 dc.SetTextForeground(c) 00501 dc.DrawLabel(self._getItemText(n), rect, 00502 wx.ALIGN_LEFT | wx.ALIGN_CENTER_VERTICAL) 00503 00504 def OnMeasureItem(self, n): 00505 height = 0 00506 if self._getItemText(n) == None: 00507 return 00508 for line in self._getItemText(n).splitlines(): 00509 w, h = self.GetTextExtent(line) 00510 height += h 00511 return height + 5 00512 00513 def _getItemText(self, item): 00514 global transformlist 00515 transitem = transformlist[item] 00516 if transitem.strip() !='': 00517 return transitem 00518 00519 class SelectTransformDialog(wx.Dialog): 00520 """!Dialog for selecting datum transformations""" 00521 def __init__(self, parent, transforms, title = _("Select datum transformation"), 00522 pos = wx.DefaultPosition, size = wx.DefaultSize, 00523 style = wx.DEFAULT_DIALOG_STYLE|wx.RESIZE_BORDER): 00524 00525 wx.Dialog.__init__(self, parent, wx.ID_ANY, title, pos, size, style) 00526 00527 global transformlist 00528 self.CentreOnParent() 00529 00530 # default transform number 00531 self.transnum = 0 00532 00533 panel = scrolled.ScrolledPanel(self, wx.ID_ANY) 00534 sizer = wx.BoxSizer(wx.VERTICAL) 00535 00536 # 00537 # set panel sizer 00538 # 00539 panel.SetSizer(sizer) 00540 panel.SetupScrolling() 00541 00542 # 00543 # dialog body 00544 # 00545 bodyBox = wx.StaticBox(parent = panel, id = wx.ID_ANY, 00546 label = " %s " % _("Select from list of datum transformations")) 00547 bodySizer = wx.StaticBoxSizer(bodyBox) 00548 00549 # add no transform option 00550 transforms = '---\n\n0\nDo not apply any datum transformations\n\n' + transforms 00551 00552 transformlist = transforms.split('---') 00553 tlistlen = len(transformlist) 00554 00555 # calculate size for transform list 00556 height = 0 00557 width = 0 00558 for line in transforms.splitlines(): 00559 w, h = self.GetTextExtent(line) 00560 height += h 00561 width = max(width, w) 00562 00563 height = height + 5 00564 if height > 400: height = 400 00565 width = width + 5 00566 if width > 400: width = 400 00567 00568 # 00569 # VListBox for displaying and selecting transformations 00570 # 00571 self.translist = TransList(panel, id = -1, size = (width, height), style = wx.SUNKEN_BORDER) 00572 self.translist.SetItemCount(tlistlen) 00573 self.translist.SetSelection(2) 00574 self.translist.SetFocus() 00575 00576 self.Bind(wx.EVT_LISTBOX, self.ClickTrans, self.translist) 00577 00578 bodySizer.Add(item = self.translist, proportion = 1, flag = wx.ALIGN_CENTER|wx.ALL|wx.EXPAND) 00579 00580 # 00581 # buttons 00582 # 00583 btnsizer = wx.StdDialogButtonSizer() 00584 00585 btn = wx.Button(parent = panel, id = wx.ID_OK) 00586 btn.SetDefault() 00587 btnsizer.AddButton(btn) 00588 00589 btn = wx.Button(parent = panel, id = wx.ID_CANCEL) 00590 btnsizer.AddButton(btn) 00591 btnsizer.Realize() 00592 00593 sizer.Add(item = bodySizer, proportion = 1, 00594 flag = wx.EXPAND | wx.ALL | wx.ALIGN_CENTER, border = 5) 00595 00596 sizer.Add(item = btnsizer, proportion = 0, 00597 flag = wx.ALL | wx.ALIGN_RIGHT, border = 5) 00598 00599 sizer.Fit(panel) 00600 00601 self.SetSize(self.GetBestSize()) 00602 self.Layout() 00603 00604 def ClickTrans(self, event): 00605 """!Get the number of the datum transform to use in g.proj""" 00606 self.transnum = event.GetSelection() 00607 self.transnum = self.transnum - 1 00608 00609 def GetTransform(self): 00610 """!Get the number of the datum transform to use in g.proj""" 00611 self.transnum = self.translist.GetSelection() 00612 self.transnum = self.transnum - 1 00613 return self.transnum
1.8.0 
