tree.py 文件源码

def OnUnitConvert(self, event):     
        uid, tree_tid = self.popup_obj
        OM = ObjectManager(self)       
        obj = OM.get(uid)
        try:
            unit = UOM.get_unit(obj.unit)
            dim = UOM.get_unit_dimension(unit.dimension)
            qc = UOM.get_quantity_class(dim.name)
            UNITS_OPTIONS = OrderedDict()
            for mu in qc.memberUnit:
                UNITS_OPTIONS[mu] = mu 
        except:    
            msg = 'Unit ' + obj.unit + ' cannot be converted.'
            wx.MessageBox(msg, 'Warning', wx.OK | wx.ICON_WARNING)
            return 
            #
        UIM = UIManager()
        dlg = UIM.create('dialog_controller', title='Unit conversion')        
        #
        try:
            ctn_details = dlg.view.AddCreateContainer('StaticBox', label='Object details', orient=wx.VERTICAL, proportion=0, flag=wx.EXPAND|wx.TOP, border=5)
            dlg.view.AddStaticText(ctn_details, proportion=0, flag=wx.EXPAND|wx.TOP, border=5, label='Name: ' + obj.name)
            #
            dlg.view.AddStaticText(ctn_details, proportion=0, flag=wx.EXPAND|wx.TOP, border=5, label='Type id: ' + obj.tid)
            dlg.view.AddStaticText(ctn_details, proportion=0, flag=wx.EXPAND|wx.TOP, border=5, label='Object id: ' + str(obj.oid))
            dlg.view.AddStaticText(ctn_details, proportion=0, flag=wx.EXPAND|wx.TOP, border=5, label='Current unit: ' + obj.unit)
            #
            ctn_new_unit = dlg.view.AddCreateContainer('StaticBox', label='New unit', orient=wx.VERTICAL, proportion=0, flag=wx.EXPAND|wx.TOP, border=5)  
            dlg.view.AddChoice(ctn_new_unit, proportion=0, flag=wx.EXPAND|wx.TOP, border=5, widget_name='new_unit', options=UNITS_OPTIONS)     
            #    
            dlg.view.SetSize((300, 330))
            answer = dlg.view.ShowModal()
            #
            if answer == wx.ID_OK:
                results = dlg.get_results()  
                new_unit_name = results.get('new_unit')
                new_data = UOM.convert(obj.data, obj.unit, new_unit_name)
                obj._data = new_data
                obj.unit = new_unit_name            
                UIM = UIManager()
                controller = UIM.get(self._controller_uid)
                controller.reload_object(obj.uid)                 
        except Exception:
            pass
        finally:
            UIM.remove(dlg.uid)