# -*- coding: utf-8 -*- """ GUI implementation """ import wx from . import munter from . import __progname__ as progname from . import __version__ as version class MainFrame(wx.Frame): """ The main wx.Frame """ program_name = "" def __init__(self, *args, **kw): """add to the init process for the wx.Frame""" super(MainFrame, self).__init__(*args, **kw) # initial setup self.SetTitle(progname) self.SetSize(600, 400) self.props = self.init_props() self.pnl = wx.Panel(self) # setup the GUI itself self.create_wx_items() self.establish_wx_bindings() self.do_wx_layout() self.update_mtc() # init routines def init_props(self): """centralized place to initialize props var""" props = dict() props['distance'] = 0 props['elevation'] = 0 props['fitness'] = 'average' props['units'] = 'imperial' props['travel_mode'] = 'uphill' return props def create_wx_items(self): """create wxPython items""" # title bar / program name self.program_name = wx.StaticText(self.pnl, label=progname) font = self.program_name.GetFont() font.PointSize += 10 font = font.Bold() self.program_name.SetFont(font) # text entry fields self.st_distance = wx.StaticText(self.pnl, label="Distance: ", style=wx.ALIGN_RIGHT) self.te_distance = wx.TextCtrl(self.pnl, value="0", size=(140, -1)) self.st_elevation = wx.StaticText(self.pnl, label="Elevation: ", style=wx.ALIGN_RIGHT) self.te_elevation = wx.TextCtrl(self.pnl, value="0", size=(140, -1)) self.st_fitness = wx.StaticText(self.pnl, label="Fitness: ", style=wx.ALIGN_RIGHT) rb_fitness_choices = ['slow', 'average', 'fast'] rb_fitness_default = 'average' self.rb_fitness = wx.ComboBox(self.pnl, choices=rb_fitness_choices, value=rb_fitness_default, style=wx.CB_READONLY) self.st_travel_mode = wx.StaticText(self.pnl, label="Travel Mode: ", style=wx.ALIGN_RIGHT) rb_travel_mode_choices = ['uphill', 'flat', 'downhill', 'bushwhacking'] rb_travel_mode_default = 'uphill' self.rb_travel_mode = wx.ComboBox(self.pnl, choices=rb_travel_mode_choices, value=rb_travel_mode_default, style=wx.CB_READONLY) self.st_units = wx.StaticText(self.pnl, label="Units: ", style=wx.ALIGN_RIGHT) rb_units_choices = ['imperial', 'metric'] rb_units_default = 'imperial' self.rb_units = [] for choice in rb_units_choices: label = choice style = wx.RB_GROUP if choice == rb_units_default else 0 self.rb_units.append(wx.RadioButton(self.pnl, label=label, style=style)) # static text self.st_mtc = wx.StaticText(self.pnl, label="", style=wx.ALIGN_CENTRE_HORIZONTAL) st_mtc_font = self.program_name.GetFont() st_mtc_font.PointSize += 10 self.st_mtc.SetFont(st_mtc_font) # buttons self.b_reset = wx.Button(self.pnl, wx.NewId(), '&Reset', (-1, -1), wx.DefaultSize) def establish_wx_bindings(self): """establish wxPython bindings""" self.pnl.Bind(wx.EVT_TEXT, self.update_distance, self.te_distance) self.pnl.Bind(wx.EVT_TEXT, self.update_elevation, self.te_elevation) self.rb_fitness.Bind(wx.EVT_COMBOBOX, self.update_fitness) self.rb_travel_mode.Bind(wx.EVT_COMBOBOX, self.update_travel_mode) self.b_reset.Bind(wx.EVT_BUTTON, self.reset) for rb_unit in self.rb_units: rb_unit.Bind(wx.EVT_RADIOBUTTON, self.update_units) def do_wx_layout(self): """layout the wxPython items""" border = 5 width = 100 sizer = wx.BoxSizer(wx.HORIZONTAL) sizer.Add(self.program_name, wx.SizerFlags().Border(wx.TOP|wx.LEFT, 0)) static_line = wx.StaticLine(self.pnl, wx.NewId(), style=wx.LI_HORIZONTAL) hsizer_distance = wx.BoxSizer(wx.HORIZONTAL) hsizer_distance.Add(self.st_distance, 0, wx.RIGHT, border) hsizer_distance.Add(self.te_distance, 1, wx.GROW, border) hsizer_distance.SetItemMinSize(self.st_distance, (width, -1)) hsizer_elevation = wx.BoxSizer(wx.HORIZONTAL) hsizer_elevation.Add(self.st_elevation, 0, wx.RIGHT, border) hsizer_elevation.Add(self.te_elevation, 1, wx.GROW, border) hsizer_elevation.SetItemMinSize(self.st_elevation, (width, -1)) hsizer_fitness = wx.BoxSizer(wx.HORIZONTAL) hsizer_fitness.Add(self.st_fitness, 0, wx.RIGHT, border) hsizer_fitness.Add(self.rb_fitness, 1, wx.GROW, border) hsizer_fitness.SetItemMinSize(self.st_fitness, (width, -1)) hsizer_travel_mode = wx.BoxSizer(wx.HORIZONTAL) hsizer_travel_mode.Add(self.st_travel_mode, 0, wx.RIGHT, border) hsizer_travel_mode.Add(self.rb_travel_mode, 1, wx.GROW, border) hsizer_travel_mode.SetItemMinSize(self.st_travel_mode, (width, -1)) hsizer_units = wx.BoxSizer(wx.HORIZONTAL) hsizer_units.Add(self.st_units, 0, wx.RIGHT, border) for rb_unit in range(len(self.rb_units)): hsizer_units.Add(self.rb_units[rb_unit], rb_unit + 1, wx.GROW, border) hsizer_units.SetItemMinSize(self.st_units, (width, -1)) hsizer_mtc = wx.BoxSizer(wx.HORIZONTAL) hsizer_mtc.Add(self.st_mtc, 1, wx.GROW, border) hsizer_mtc.SetItemMinSize(self.st_mtc, (width, -1)) hsizer5 = wx.BoxSizer(wx.HORIZONTAL) hsizer5.Add(self.b_reset, 0) vsizer1 = wx.BoxSizer(wx.VERTICAL) vsizer1.Add(sizer, 0, wx.EXPAND | wx.ALL, border*border) vsizer1.Add(hsizer_distance, 0, wx.EXPAND | wx.ALL, border) vsizer1.Add(hsizer_elevation, 0, wx.EXPAND | wx.ALL, border) vsizer1.Add(hsizer_fitness, 0, wx.EXPAND | wx.ALL, border) vsizer1.Add(hsizer_travel_mode, 0, wx.EXPAND | wx.ALL, border) vsizer1.Add(hsizer_units, 0, wx.EXPAND | wx.ALL, border) vsizer1.Add(hsizer_mtc, 0, wx.EXPAND | wx.ALL, border) vsizer1.Add(static_line, 0, wx.GROW | wx.ALL, border) vsizer1.Add(hsizer5, 0, wx.ALIGN_RIGHT | wx.ALL, border) self.pnl.SetSizerAndFit(vsizer1) self.pnl.SetClientSize(vsizer1.GetSize()) # event handlers def update_distance(self, event): """updates distance prop""" value = event.GetEventObject().GetValue() if value: try: new_val = float(value) self.props['distance'] = new_val except ValueError: # reset GUI to last-accepted val self.te_distance.SetValue(str(self.props['distance'])) self.update_mtc() def update_elevation(self, event): """updates elevation prop""" value = event.GetEventObject().GetValue() if value: try: new_val = int(value) self.props['elevation'] = new_val except ValueError: # reset GUI to last-accepted val self.te_elevation.SetValue(str(self.props['elevation'])) self.update_mtc() def update_fitness(self, event): """updates fitness prop""" value = event.GetEventObject().GetValue() if value: self.props['fitness'] = value self.update_mtc() def update_travel_mode(self, event): """updates travel_mode prop""" value = event.GetEventObject().GetValue() if value: self.props['travel_mode'] = value self.update_mtc() def update_units(self, event): """updates units prop""" value = event.GetEventObject().GetLabel() if value: self.props['units'] = value self.update_mtc() def reset(self, event): """resets all values""" event.GetTimestamp() self.props = self.init_props() self.te_distance.SetValue(str(self.props['distance'])) self.te_elevation.SetValue(str(self.props['elevation'])) self.rb_fitness.SetValue(str(self.props['fitness'])) self.rb_travel_mode.SetValue(str(self.props['travel_mode'])) # leave units as the user selected self.update_mtc() # other routines def update_mtc(self): """updates mtc, the final result the user wants""" if (self.props['distance'] is None) or (self.props['elevation'] is None): return est = munter.time_calc(self.props['distance'], self.props['elevation'], self.props['fitness'], self.props['travel_mode'], self.props['units']) hours = int(est['time']) minutes = int((est['time'] - hours) * 60) self.st_mtc.SetLabel("{human_time}".format( human_time="{hours} hours {minutes} minutes".format( hours=hours, minutes=minutes))) self.pnl.Layout() def startup(): """kick off the GUI""" app = wx.App() frm = MainFrame(None) frm.Show() app.MainLoop()