rexx-things/modules/windows/oodialog/userGuide/exercises/Exercise03/WowModel.rex
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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]
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*============================================================================*/