rexx-things/modules/windows/oodialog/userGuide/exercises/Exercise03/Wow3.rex

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/* ooDialog User Guide
Exercise 03a: Re-structuring the "Words of Wisdom" app. v01-00 31May12
Contains: Startup statements
Classes: WowView, WowModel, WowData.
Pre-requisites: None.
Description: A re-structuring of the "Words of Wisdom" code.
Changes:
v01-00 31May12: First version.
******************************************************************************/
dlg = .WowView~new
dlg~execute("SHOWTOP", IDI_DLG_OOREXX)
::REQUIRES "ooDialog.cls"
/*//////////////////////////////////////////////////////////////////////////////
==============================================================================
UI - Class 'WowView' v01-00 31may12
---------------------
Defines the Words of Wisdom User Interface.
Changes:
v01-00 31May12: First version.
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
::CLASS 'WowView' SUBCLASS UserDialog
/*----------------------------------------------------------------------------
init - initialises the dialog
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD init
expose wowPicker
forward class (super) continue
self~create(30, 30, 257, 123, "Words of Wisdom", "CENTER")
wowPicker = .WowPicker~new
return
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*----------------------------------------------------------------------------
defineDialog - defines the "Words of Wisdom" controls
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD defineDialog -- Invoked automatically.
self~createPushButton(901, 142, 99, 50, 14, "DEFAULT", "More wisdom", OkClicked)
self~createPushButton(IDCANCEL, 197, 99, 50, 14, ,"Cancel")
self~createStaticText(101, 40, 40, 200, 40, , "Click 'More wisdom'")
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*----------------------------------------------------------------------------
initDialog - invoked automatically after the dialog has been created.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD initDialog
expose newText
newText = self~newStatic(101)
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*----------------------------------------------------------------------------
okClicked - Actions the "More wisdom" control
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD okClicked
expose wowPicker newText
wow = wowPicker~pickWow
newText~setText(wow)
return
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*============================================================================*/
/*//////////////////////////////////////////////////////////////////////////////
==============================================================================
WowPicker v01-00 31May12
-------------
Picks a "words of wisdom" string from a set of such "words of wisdom"
and returns it. The set is initially retrieved from the WowData class.
Changes:
v01-00 31May12: First version.
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
::CLASS WowPicker
/*----------------------------------------------------------------------------
init - gets an initial Wow set from the WowData object.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD init
expose wowSet
dataSource = .WowData~new
wowSet = dataSource~readWowSet
return
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*----------------------------------------------------------------------------
pickWow - picks a Word of Wisdom from the current wowSet and returns it.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD pickWow
expose wowSet
i = random(1,7)
return wowSet[i]
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*============================================================================*/
/*//////////////////////////////////////////////////////////////////////////////
==============================================================================
WowData v01-00 31May12
-------------
Has access to WOW data, and returns a set to requester. The size of the set
can be set via configuration (but not in this version).
Changes:
v01-00 31May12: First version.
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = */
::CLASS WowData
/*----------------------------------------------------------------------------
init - reads initial Wow Set from disk (but not in this version)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD init
expose arrWow
arrWow = .array~new
arrWow[1] = "Agnes Allen's Law:" -
"Almost anything is easier to get into than out of."
arrWow[2] = "Airplane Law:" -
"When the plane you are on is late," -
"the plane you want to transfer to is on time."
arrWow[3] = "Fourteenth Corollary of Atwood's General Law of Dynamic Negatives:" -
"No books are lost by loaning" -
"except those you particularly wanted to keep."
arrWow[4] = "Baker's Byroad: When you're over the hill, you pick up speed."
arrWow[5] = "First Law of Bicycling:" -
"No matter which way you ride, it's uphill and against the wind."
arrWow[6] = "Brooks's Law:" -
"Adding manpower to a late software project makes it later."
arrWow[7] = "Grossman's Misquote of H. L. Mencken:" -
"Complex problems have simple, easy-to-understand wrong answers."
return
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
/*----------------------------------------------------------------------------
read - Returns a wowSet
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
::METHOD readWowSet
expose arrWow
return arrWow
/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */