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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def SetupToolBar(self):
 """Create the toolbar for common actions"""

        tb = self.CreateToolBar(self.TBFLAGS)
        tsize = (24, 24)
        tb.ToolBitmapSize = tsize
        open_bmp = wx.ArtProvider.GetBitmap(wx.ART_FILE_OPEN, wx.ART_TOOLBAR,
                                            tsize)
        tb.AddLabelTool(ID_OPEN, "Open", open_bmp, shortHelp="Open",
                        longHelp="Open a (c)Profile trace file")
        if not osx:
            tb.AddSeparator()
#        self.Bind(wx.EVT_TOOL, self.OnOpenFile, id=ID_OPEN)
        self.rootViewTool = tb.AddLabelTool(
            ID_ROOT_VIEW, _("Root View"),
            wx.ArtProvider.GetBitmap(wx.ART_GO_HOME, wx.ART_TOOLBAR, tsize),
            shortHelp=_("Display the root of the current view tree (home view)")
        )
        self.rootViewTool = tb.AddLabelTool(
            ID_BACK_VIEW, _("Back"),
            wx.ArtProvider.GetBitmap(wx.ART_GO_BACK, wx.ART_TOOLBAR, tsize),
            shortHelp=_("Back to the previously activated node in the call tree")
        )
        self.upViewTool = tb.AddLabelTool(
            ID_UP_VIEW, _("Up"),
            wx.ArtProvider.GetBitmap(wx.ART_GO_UP, wx.ART_TOOLBAR, tsize),
            shortHelp=_("Go one level up the call tree (highest-percentage parent)")
        )
        if not osx:
            tb.AddSeparator()
        # TODO: figure out why the control is sizing the label incorrectly on Linux
        self.percentageViewTool = wx.CheckBox(tb, -1, _("Percent    "))
        self.percentageViewTool.SetToolTip(wx.ToolTip(
            _("Toggle display of percentages in list views")))
        tb.AddControl(self.percentageViewTool)
        wx.EVT_CHECKBOX(self.percentageViewTool,
                        self.percentageViewTool.GetId(), self.OnPercentageView)

        self.viewTypeTool= wx.Choice( tb, -1, choices= getattr(self.loader,'ROOTS',[]) )
        self.viewTypeTool.SetToolTip(wx.ToolTip(
            _("Switch between different hierarchic views of the data")))
        wx.EVT_CHOICE( self.viewTypeTool, self.viewTypeTool.GetId(), self.OnViewTypeTool )
        tb.AddControl( self.viewTypeTool )
        tb.Realize()