[Anark] Focusable (Interactive Behavior)

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发表于 2011-10-15 10:51:00 |只看该作者 |倒序浏览

            Focusable (Interactive Behavior)


         Summary


         Causes the parent object to be 'focusable', sending events as it gains and loses focus.


            Category


            Latest Behaviors


            Author


            Gavin Kistner


            Difficulty


            (Reference)


            Time to Complete


            5 Minutes


         Downloads


         Click Here

         to download the associated files.


         (This document covers version 1.1.5 of the 'Focusable' behavior, current as of 2005-Apr-08)


         Description


         The parent of this object will have

            .focus()

         and

            .blur()

         methods exposed in script, and will itself fire an

            onFocus

         event when clicked on (or explicitly focused through script or action), and will fire an

            onBlur

         event when another object gets focus.


         For convenience in the Studio environment, this behavior also provides a

            Focus Parent

         action and a

            Blur Parent

         action, as well as catching the

            onFocus

         and

            onBlur

         events from the parent and passing them along.


         When using script to subscribe to the

            onFocus

         or

            onBlur

         events of the action, the .object property of the event object will point to the parent object of this behavior.


         The core of this behavior is used in the Arrow Nudge and Editable Text behaviors, to give focus to only one element at a time for user input.


         Basic Properties


            Use Selected Color?


            Change the object to another color when focused?


            Selected Color


            Color to use for the object when focused.


         Actions


            Focus Parent


            Move focus to the parent element.


            Blur Parent


            Remove focus from the parent element.


         Events


            onFocus


            Fires when the parent element receives focus.


            onBlur


            Fires when the parent element loses focus.


         Demonstration


            View Demonstration Project


            Download Project File