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Code: Alles auswählen

class TestComboBox(wx.Panel):
    def __init__(self, parent):
        # ...

        sampleList1 = ['a', 'b', 'c']
        sampleList2 = self.EvtComboBox(evt)

        # ...

        cb = wx.ComboBox(self, 501, "default value", (90, 80), (95, -1), sampleList1, wx.CB_DROPDOWN)

        cb = wx.ComboBox(self, 501, "default value", (150, 100), (95, -1), sampleList2, wx.CB_DROPDOWN)
        # ...

        self.Bind(wx.EVT_COMBOBOX, self.EvtComboBox, cb)

    def EvtComboBox(self, evt):
            if evt.GetString() == 'a':
                sampleList2 = ['eins', 'zwei', 'drei']

# ...

Code: Alles auswählen

sampleList2 = self.EvtComboBox(evt)

Code: Alles auswählen

import wx

class MyFrame(wx.Panel):
    def __init__(self, parent):
        wx.Panel.__init__(self, parent)                

# --------------------------------------------------------------------------------------------------
        sampleList1 = ['Arbeit / Energie', 'Beschleunigung', 'Druck',
                      'Euro-Währung', 'Fläche', 'Geschwindigkeit',
                      'Kraft', 'Länge / Entfernung', 'Leistung', 'Masse',
                      'Speicherplatz (PC)', 'Temperatur', 'Volumen', 'Winkel',
                      'Zeit']
        liste = []
        
        ### Controlls
        # Text
        topLbl = wx.StaticText(self, -1, "Unit Converter")

        # Text layout
        topLbl.SetFont(wx.Font(18, wx.SWISS, wx.NORMAL, wx.BOLD))
        topLbl.SetForegroundColour('orchid')
        
        # Combo Box Units
        self.cb_variable = wx.ComboBox(self, -1, 'Arbeit / Energie', (50, 90), (-1, -1),
                                       sampleList1, wx.CB_READONLY)
        self.cb_unit1 = wx.ComboBox(self, -1, "", (50, 90),
                                    (250, -1), liste, wx.CB_READONLY|wx.CB_SORT)
        self.cb_unit2 = wx.ComboBox(self, -1, "", (50, 90),
                                    (250, -1), liste, wx.CB_READONLY|wx.CB_SORT)

        # Eingabe Felder
        self.einheit01 = wx.TextCtrl(self, size=(80, -1))
        self.einheit02 = wx.TextCtrl(self, size=(80, -1))

        # Button
        okBtn = wx.Button(self, -1, "Ok")

# --------------------------------------------------------------------------------------------------
        ### Layout
        # MainSizer
        mainSizer = wx.BoxSizer(wx.VERTICAL)
        mainSizer.Add(topLbl, 0, wx.ALL, 5)
        mainSizer.Add(wx.StaticLine(self), 0, wx.EXPAND|wx.TOP|wx.BOTTOM, 5)

        # Sizer for ComboBox, OkBtn
        sizer = wx.GridBagSizer(hgap=5, vgap=5)
        sizer.Add(self.cb_variable, pos=(0, 0), flag=wx.EXPAND)
        sizer.Add(self.cb_unit1, pos=(1, 1), flag=wx.EXPAND)
        sizer.Add(self.cb_unit2, pos=(2, 1), flag=wx.EXPAND)
        sizer.Add(self.einheit01, pos=(1, 0))
        sizer.Add(self.einheit02, pos=(2, 0))
        sizer.Add(okBtn, pos=(3, 0))

        mainSizer.Add(sizer, 0, wx.EXPAND|wx.ALL, 10)
        self.SetSizer(mainSizer)
        mainSizer.Fit(self)
        mainSizer.SetSizeHints(self)

# --------------------------------------------------------------------------------------------------
        # Evt Binding
        self.Bind(wx.EVT_COMBOBOX, self.EvtComboBox, self.cb_variable)
        self.Bind(wx.EVT_COMBOBOX, self.berechne, self.cb_unit1)
        self.Bind(wx.EVT_COMBOBOX, self.berechne, self.cb_unit2)
        self.Bind(wx.EVT_BUTTON, self.ausgabe, okBtn)

# --------------------------------------------------------------------------------------------------

    # Funktionen
    def EvtComboBox(self, evt):
        if evt.GetString() == 'Arbeit / Energie':
            self.cb_unit1.Clear()
            self.cb_unit2.Clear()
            liste = ['Joule [J]', 'Kilowattstunde [kW h]', 'Kalorie [cal]',
                     'Kilokalorie [kcal]', 'Tonne Steinkohleneinheiten [t SKE]',
                     'Erg [erg]', 'Elektronvolt [eV]']
            for item in liste:
                self.cb_unit1.Append(item)
                self.cb_unit2.Append(item)

        elif evt.GetString() == 'Beschleunigung':
            self.cb_unit1.Clear()
            self.cb_unit2.Clear()
            liste = ['Meter pro Sekunde² [m/s²]', 'Erdanziehung [g]',
                     'Galileo [Gal]']
            for item in liste:
                self.cb_unit1.Append(item)
                self.cb_unit2.Append(item)
      # usw....

# Werte berechnen
    def berechne(self, evt):
        value_unit1 = self.einheit01.GetValue()
        unit1 = self.cb_unit1.GetValue()
        unit2 = self.cb_unit2.GetValue()
        if unit1 == 'Sekunde [s]':
            factor1 = float(2)
        if unit2 == 'Minute [m]':
            factor2 = float(60)
        end_value = float(value_unit1) * factor1 / factor2
        return end_value
        
    def ausgabe(self, evt):
        end_value = self.berechne(evt)
        self.einheit02.AppendText(str(end_value))