libervia-backend: frontends/src/tools/xmlui.py comparison

frontends (xmlui): new widget_value dict to get first value of widget by name

comparison

equal deleted inserted replaced

-:4b521490bd8d
+:825608d4eaf8
 this method must be overrided
 """
 raise NotImplementedError
+class ValueGetter(object):
+"""dict like object which return values of widgets"""
+def __init__(self, widgets, attr='value'):
+self.attr = attr
+self.widgets = widgets
+def __getitem__(self, name):
+return getattr(self.widgets[name], self.attr)
+def __getattr__(self, name):
+return self.__getitem__(name)
 class XMLUIPanel(XMLUIBase):
 """XMLUI Panel
 New frontends can inherite this class to easily implement XMLUI
 @property widget_factory: factory to create frontend-specific widgets
 @property dialog_factory: factory to create frontend-specific dialogs
 """
 widget_factory = None
 def __init__(self, host, parsed_dom, title=None, flags=None, callback=None, profile=C.PROF_KEY_NONE):
+"""
+@property widgets(dict): widget name => widget map
+@property widget_value(ValueGetter): retrieve widget value from it's name
+"""
 super(XMLUIPanel, self).__init__(host, parsed_dom, title=title, flags=flags, callback=callback, profile=profile)
 self.ctrl_list = {}  # input widget, used mainly for forms
 self.widgets = {}  # allow to access any named widgets
+self.widget_value = ValueGetter(self.widgets)
 self._main_cont = None
 self.constructUI(parsed_dom)
 def escape(self, name):
 """Return escaped name for forms"""

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