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/*----------------------------------------------------------------------------*/
/* ooDialog User Guide
   Exercise07 Part 2: The WowModel component.			  v02-00 06Sep12

   Contains:       Classes: WowModel.

   Pre-requisites: The Model-View Framework (MVF)

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

   Changes:
     v01-00 31May12: First version.
     v02-00 06Sep12: Second version - uses the MVF. Class name changed from
                     WowPicker to WowModel.
            09Jan13: Comment-out 'say's.
------------------------------------------------------------------------------*/

/*//////////////////////////////////////////////////////////////////////////////
  ==============================================================================
  WowModel							  v01-00 13Feb13
  ---------
  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 31may12: First version.
    v02-00 06Sep12: Second version - uses the MVF.
           13Feb13: Mods to comments only.
  = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */

::REQUIRES "..\Support\Model.rex"					  -- MVF

::CLASS WowModel SUBCLASS Model PUBLIC				  --v01-00-->MVF

  /*----------------------------------------------------------------------------
    newInstance - class method required for MVF.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
  ::METHOD newInstance CLASS PUBLIC					   --MVF
    use strict arg instanceName
    forward class (super) continue	-- Super does the ~new, gets the data
    					-- and passes it as a param on the init.
    modelId = RESULT			-- MVF (or just 'return RESULT')
    return modelId

  /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

  /*----------------------------------------------------------------------------
    init - Since there's not no divided setup as in Views,
           'activate' is same as 'init' so with MVF we just use 'init'.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
  ::METHOD init								  -- MVF
    expose arrWowSet
    use strict arg dirWowSet		-- MVF: data for model provided by super
    arrWowSet = dirWowSet[Records]	-- MVF: pre-defines format of data.
    return self				-- MVF.


  /*----------------------------------------------------------------------------
    activate - Not used by Model components when using MVF.		--v01-00
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
  /*::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						 -- v01-00 & MVF
    expose arrWowSet
    i = random(1,25)
    return arrWowSet[i,1]

  /*----------------------------------------------------------------------------
    query - MVF sends 'query' when the View is created. However, this function
            is not used by WowView since it does not display data when the
            dialog is opened for first time. Thus, since the superclass's
            method is not required either, this method merely returns a string.
    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
  ::METHOD query PUBLIC							  -- MVF
    return "WowModel-query: this method not supported."
  /*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */

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