def set_property(name, attr_map, value)
case (name)
when 'name'
@name = get_property(attr_map, value, 'string', 'accessor', 'eval')
when 'page'
@src and raise PropertyError, "conflicted `src' and `page' property at #{widget_id.inspect}"
@page = get_property(attr_map, value, 'string', 'accessor', 'eval')
when 'src'
@page and raise PropertyError, "conflicted `page' and `src' property at #{widget_id.inspect}"
@src = get_property(attr_map, value, 'string', 'accessor', 'eval')
else
raise PropertyError, "unknown property: #{name.inspect}: at #{widget_id.inspect}"
end
nil
end