//newTodo creates a new todo list item for a given string. Note that the
//three primary elements are Attributes so the constraint system can operate
//on them. The value provided is used to initialize the displayed text.
func newTodo(raw string) *todo {
result := &todo{
name: s5.NewStringSimple(raw),
done: s5.NewBooleanSimple(false),
editing: s5.NewBooleanSimple(false),
}
result.modName = s5.NewModelName(result)
return result
}
//newApp creates a new instance of the application object, properly
//initialized
func newApp() *todoApp {
result := &todoApp{}
//init the list, setting our own object as the joiner (we meet
//the interface Joiner)
result.todos = s5.NewList(result)
//create initial values of attributes
result.numNotDone = s5.NewIntegerSimple(0)
result.plural = s5.NewStringSimple("")
result.someDone = s5.NewBooleanSimple(false)
result.numDone = s5.NewIntegerSimple(0)
//done create app object
return result
}