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/* ooDialog User Guide
   Exercise03 Part 2: The WowModel component.			  v01-00 31May12

   Contains:       Classes: WowPicker.

   Pre-requisites:
     .local~my.idWowData - an object that provides an array of 'words of wisdom'.

   Description:    The model component of the "Words of Wisdom" app.

   Changes:
     v01-00 31May12: First version.
------------------------------------------------------------------------------*/

/*//////////////////////////////////////////////////////////////////////////////
  ==============================================================================
  WowPicker							  v01-00 31may12
  ---------
  A class that returns a Words of Wisdom string, selected randomly from a set
  of such Words of Wisdom.
  (Potential enhancements: Request a different set from the WowData class;
  			   Have the size of the set configurable.)
  Changes:
    v01-00: First version.
  = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */

::CLASS WowPicker Public

/*----------------------------------------------------------------------------
    activate - gets an initial Wow set from the WowData object.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
  ::METHOD activate
    expose arrWowSet
    dataSource = .local~my.idWowData
    arrWowSet = dataSource~readWowSet
    return
  /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

  /*----------------------------------------------------------------------------
    pickWow - picks a Word of Wisdom from the current wowSet and returns it.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
  ::METHOD pickWow
    expose arrWowSet
    i = random(1,7)
    return arrWowSet[i]
  /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

/*============================================================================*/