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envlib.prg
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* Program: EnvLib.prg
* Classes: Many definitions, see below.
* Bases: All abstract classes are based on Custom.
* Notice: The author releases all rights to the public domain
* : subject to the Warranty Disclaimer below.
* Author: Tom Rettig (1941-1996)
* : Rettig Micro Corporation
* : First released (Version 1.0) July 15, 1995
* Updates: Steven Black
* : Steven Black Consulting
* : http://stevenblack.com
* Version: EnvLib for VFP 9, November 27, 2013
* Action: Save, set, and restore SET, ON, open table, system variable,
* : and object property environments.
*Requires: Visual FoxPro for Windows version 3.0 or later
* Notes: - May be freely used, modified, and distributed in
* : compiled and/or source code form.
* : - The author appreciates acknowledgment in commercial
* : products and publications that use or learn from this class.
* : - Technical support is not officially provided. The
* : author and maintainers are interested in hearing about problems
* : or enhancement requests you have, and will try to be
* : helpful within reasonable limits.
* : - Warranty Disclaimer: NO WARRANTY!!!
* : THE AUTHOR RELEASES TO THE PUBLIC DOMAIN ALL CLAIMS TO ANY
* : RIGHTS IN THIS PROGRAM AND FREELY PROVIDES IT "AS IS" WITHOUT
* : WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
* : LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* : FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL THE AUTHOR, OR ANY
* : OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THIS PROGRAM, BE
* : LIABLE FOR ANY COMMERCIAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
* : DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM
* : INCLUDING, BUT NOT LIMITED TO, LOSS OF DATA OR DATA BEING
* : RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR LOSSES
* : SUSTAINED BY THIRD PARTIES OR A FAILURE OF THE PROGRAM TO
* : OPERATE WITH ANY OTHER PROGRAMS, EVEN IF YOU OR OTHER PARTIES
* : HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*************************************************************
* SET Parent Classes
*************************************************************
*------------------------------------------------------------------------------
DEFINE CLASS Set AS Custom && abstract class
*------------------------------------------------------------------------------
PROTECTED uDefault, ;
uOldSet, ;
uNewSet, ;
lNoReset
FUNCTION GetOld
RETURN This.uOldSet
FUNCTION GetNew
RETURN This.uNewSet
FUNCTION GetDefault
RETURN This.uDefault
PROTECTED PROCEDURE Init( tcSet, tuValue )
This.uOldSet = SET( tcSet )
This.uNewSet = NVL( tuValue, This.uDefault )
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetTwo AS Set && abstract class
*------------------------------------------------------------------------------
PROTECTED uDefaultTwo, ;
uOldSetTwo, ;
uNewSetTwo, ;
cSet
FUNCTION GetOldTwo
RETURN This.uOldSetTwo
FUNCTION GetNewTwo
RETURN This.uNewSetTwo
FUNCTION GetDefaultTwo
RETURN This.uDefaultTwo
PROTECTED PROCEDURE Init( tcSet, tuValueOne, ;
tuValueTwo, tnParams )
DO CASE && of which to set
CASE EMPTY( tnParams )
ERROR 11 && was: cnVF_ERR_PARAM_INVALID
RETURN .F. && early exit
CASE tnParams == 1
This.cSet = "1"
CASE EMPTY( tuValueOne ) && never a valid value
This.cSet = "2"
OTHERWISE
This.cSet = "3"
ENDCASE && of which to set
* Primary value as returned by SET( "whatever" ).
IF INLIST( This.cSet, "1", "3" )
=DODEFAULT( tcSet, tuValueOne )
ENDIF
* Secondary value as returned by SET( "whatever", 1 ).
IF INLIST( This.cSet, "2", "3" )
This.uOldSetTwo = SET( tcSet, 1 )
This.uNewSetTwo = NVL( tuValueTwo, This.uDefaultTwo )
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetOnOff AS Set && abstract class
*------------------------------------------------------------------------------
PROTECTED PROCEDURE Init( tcSet, tcValue )
DO CASE
CASE ISNULL( tcValue )
=DODEFAULT( tcSet, tcValue )
CASE NOT INLIST( UPPER( ALLTRIM( tcValue )), "ON", "OFF" )
ERROR 231 && was: cnVF_ERR_SETARGINVALID
RETURN .F. && early exit
OTHERWISE
=DODEFAULT( tcSet, UPPER( ALLTRIM( tcValue )) )
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetOnOffTwo AS SetTwo && abstract class
*------------------------------------------------------------------------------
PROTECTED PROCEDURE Init( tcSet, ;
tcValueOne, ;
tuValueTwo, ;
tnParams )
DO CASE
CASE ISNULL( tcValueOne )
=DODEFAULT( tcSet, ;
tcValueOne, ;
tuValueTwo, ;
tnParams )
CASE NOT INLIST( UPPER( ALLTRIM( tcValueOne )), "ON", "OFF" )
ERROR 231 && was: cnVF_ERR_SETARGINVALID
RETURN .F. && early exit
OTHERWISE
=DODEFAULT( tcSet, ;
UPPER( ALLTRIM( tcValueOne )), ;
tuValueTwo, ;
tnParams )
ENDCASE
ENDDEFINE
*************************************************************
* SET Classes
*************************************************************
*------------------------------------------------------------------------------
DEFINE CLASS SetAlternate AS SetOnOffTwo
*------------------------------------------------------------------------------
uDefault = "OFF"
uDefaultTwo = ""
PROTECTED PROCEDURE Init( tcOnOff, tcTo, tcOption, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE && of primary set
CASE NOT DODEFAULT( "ALTERNATE", ;
tcOnOff, tcTo, ;
PARAMETERS() )
RETURN .F. && early exit
CASE NOT INLIST( This.cSet, "1", "3" )
* Do nothing.
CASE This.uNewSet == "ON"
SET ALTERNATE ON
OTHERWISE
SET ALTERNATE OFF
ENDCASE && of primary set
DO CASE && of secondary set
CASE NOT INLIST( This.cSet, "2", "3" )
* Do nothing.
CASE EMPTY( This.uNewSetTwo )
SET ALTERNATE TO
CASE ( NOT EMPTY( tcOption )) AND;
UPPER( ALLTRIM( tcOption )) == "ADDITIVE"
SET ALTERNATE TO ( This.uNewSetTwo ) ADDITIVE
IF This.uNewSet == "ON"
SET ALTERNATE ON
ENDIF
OTHERWISE
SET ALTERNATE TO ( This.uNewSetTwo )
IF This.uNewSet == "ON"
SET ALTERNATE ON
ENDIF
ENDCASE && of secondary set
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
DO CASE && of primary set
CASE NOT INLIST( This.cSet, "1", "3" )
* Do nothing.
CASE This.uOldSet == "ON"
SET ALTERNATE ON
OTHERWISE
SET ALTERNATE OFF
ENDCASE && of primary set
DO CASE && of secondary set
CASE NOT INLIST( This.cSet, "2", "3" )
* Do nothing.
CASE EMPTY( This.uOldSetTwo )
SET ALTERNATE TO
OTHERWISE
SET ALTERNATE TO ( This.uOldSetTwo )
ENDCASE && of secondary set
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetAnsi AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "ANSI", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET ANSI ON
OTHERWISE
SET ANSI OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET ANSI ON
OTHERWISE
SET ANSI OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetAsserts AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "Asserts", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET Asserts ON
OTHERWISE
SET Asserts OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET Asserts ON
OTHERWISE
SET Asserts OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetAutoIncError AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "ON"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "AutoIncError", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET AutoIncError ON
OTHERWISE
SET AutoIncError OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET AutoIncError ON
OTHERWISE
SET AutoIncError OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetAutosave AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "AUTOSAVE", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET AUTOSAVE ON
OTHERWISE
SET AUTOSAVE OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET AUTOSAVE ON
OTHERWISE
SET AUTOSAVE OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetBell AS SetOnOff
*------------------------------------------------------------------------------
* Limit - no way to get SET BELL TO <freq|.wav>, <sec>
uDefault = "ON"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "BELL", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET BELL ON
OTHERWISE
SET BELL OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET BELL ON
OTHERWISE
SET BELL OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetBlocksize AS Set
*------------------------------------------------------------------------------
uDefault = 64
PROTECTED PROCEDURE Init( tnValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "BLOCKSIZE", tnValue )
SET BLOCKSIZE TO This.uNewSet
ELSE
RETURN .F.
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
SET BLOCKSIZE TO This.uOldSet
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetBrstatus AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "BRSTATUS", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET BRSTATUS ON
OTHERWISE
SET BRSTATUS OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET BRSTATUS ON
OTHERWISE
SET BRSTATUS OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCarry AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CARRY", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CARRY ON
OTHERWISE
SET CARRY OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CARRY ON
OTHERWISE
SET CARRY OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCentury AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CENTURY", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CENTURY ON
OTHERWISE
SET CENTURY OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CENTURY ON
OTHERWISE
SET CENTURY OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetClassLib AS Set
*------------------------------------------------------------------------------
uDefault = ""
PROTECTED PROCEDURE Init( tcValue, tcOption, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "CLASSLIB", tcValue )
LOCAL lcTemp
lcTemp = This.uNewSet
IF ( NOT EMPTY( tcOption )) AND;
( UPPER( ALLTRIM( tcOption ))="ADDITIVE" )
SET CLASSLIB TO &lcTemp ADDITIVE
ELSE
SET CLASSLIB TO &lcTemp
ENDIF
ELSE
RETURN .F.
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
LOCAL lcTemp
lcTemp = This.uOldSet
SET CLASSLIB TO &lcTemp
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetClear AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "ON"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CLEAR", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CLEAR ON
OTHERWISE
SET CLEAR OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CLEAR ON
OTHERWISE
SET CLEAR OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetClock AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CLOCK", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CLOCK ON
CASE This.uNewSet == "STATUS"
SET CLOCK STATUS
OTHERWISE
SET CLOCK OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CLOCK ON
CASE This.uOldSet == "STATUS"
SET CLOCK STATUS
OTHERWISE
SET CLOCK OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCollate AS Set
*------------------------------------------------------------------------------
uDefault = "MACHINE"
PROTECTED PROCEDURE Init( tnValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "COLLATE", tnValue )
SET COLLATE TO This.uNewSet
ELSE
RETURN .F.
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
SET COLLATE TO This.uOldSet
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCoverage AS Set
*------------------------------------------------------------------------------
uDefault = ""
PROTECTED PROCEDURE Init( tcValue, tcOption, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "Coverage", tcValue )
LOCAL lcTemp
lcTemp = This.uNewSet
IF ( NOT EMPTY( tcOption )) AND;
( UPPER( ALLTRIM( tcOption ))="ADDITIVE" )
SET Coverage TO &lcTemp ADDITIVE
ELSE
SET Coverage TO &lcTemp
ENDIF
ELSE
RETURN .F.
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
LOCAL lcTemp
lcTemp = This.uOldSet
SET Coverage TO &lcTemp
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetColor AS Set
*------------------------------------------------------------------------------
uDefault = ""
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "COLOR", tcValue )
SET COLOR TO ( This.uNewSet )
ELSE
RETURN .F.
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
SET COLOR TO ( This.uOldSet )
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCompatible AS SetOnOffTwo
*------------------------------------------------------------------------------
uDefault = "OFF"
uDefaultTwo = "PROMPT"
PROTECTED PROCEDURE Init( tcOnOff, tcPrompt, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
LOCAL lcOnOff, lcPrompt
lcOnOff = IIF( ISNULL( tcOnOff ), tcOnOff, UPPER( ALLTRIM( tcOnOff )) )
lcPrompt = IIF( ISNULL( tcPrompt ), tcPrompt, UPPER( ALLTRIM( tcPrompt )) )
DO CASE
CASE PARAMETERS() > 1 AND EMPTY( tcOnOff )
lcOnOff = SET( "COMPATIBLE" )
CASE lcOnOff == "FOXPLUS"
lcOnOff = "OFF"
CASE lcOnOff == "DB4"
lcOnOff = "ON"
ENDCASE
DO CASE && of primary set
CASE NOT DODEFAULT( "COMPATIBLE", ;
lcOnOff, lcPrompt, ;
PARAMETERS() )
RETURN .F. && early exit
CASE NOT This.cSet == "1"
* Do nothing.
CASE This.uNewSet == "ON"
SET COMPATIBLE ON
OTHERWISE
SET COMPATIBLE OFF
ENDCASE && of primary set
DO CASE && of secondary set
CASE NOT INLIST( This.cSet, "2", "3" )
* Do nothing.
CASE This.uNewSetTwo == "PROMPT"
IF This.uNewSet == "ON"
SET COMPATIBLE ON PROMPT
ELSE
SET COMPATIBLE OFF PROMPT
ENDIF
CASE This.uNewSetTwo == "NOPROMPT"
IF This.uNewSet == "ON"
SET COMPATIBLE ON NOPROMPT
ELSE
SET COMPATIBLE OFF NOPROMPT
ENDIF
OTHERWISE
ERROR 231 && was: cnVF_ERR_SETARGINVALID
RETURN .F. && early exit
ENDCASE && of secondary set
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
DO CASE && of primary set
CASE NOT This.cSet == "1"
* Do nothing.
CASE This.uOldSet == "ON"
SET COMPATIBLE ON
OTHERWISE
SET COMPATIBLE OFF
ENDCASE && of primary set
DO CASE && of secondary set
CASE NOT INLIST( This.cSet, "2", "3" )
* Do nothing.
CASE This.uOldSetTwo == "NOPROMPT"
IF This.uOldSet == "ON"
SET COMPATIBLE ON NOPROMPT
ELSE
SET COMPATIBLE OFF NOPROMPT
ENDIF
OTHERWISE
IF This.uOldSet == "ON"
SET COMPATIBLE ON PROMPT
ELSE
SET COMPATIBLE OFF PROMPT
ENDIF
ENDCASE && of secondary set
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetConfirm AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CONFIRM", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CONFIRM ON
OTHERWISE
SET CONFIRM OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CONFIRM ON
OTHERWISE
SET CONFIRM OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetConsole AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "ON"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CONSOLE", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CONSOLE ON
OTHERWISE
SET CONSOLE OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CONSOLE ON
OTHERWISE
SET CONSOLE OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCpcompile AS Set
*------------------------------------------------------------------------------
uDefault = CPCURRENT()
PROTECTED PROCEDURE Init( tnValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "CPCOMPILE", tnValue )
SET CPCOMPILE TO This.uNewSet
ELSE
RETURN .F.
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
SET CPCOMPILE TO This.uOldSet
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCpdialog AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "OFF"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CPDIALOG", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CPDIALOG ON
OTHERWISE
SET CPDIALOG OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CPDIALOG ON
OTHERWISE
SET CPDIALOG OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCurrency AS SetTwo
*------------------------------------------------------------------------------
uDefault = "LEFT"
uDefaultTwo = "$"
PROTECTED PROCEDURE Init( tcLeftRight, tcTo, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE && of primary set
CASE NOT DODEFAULT( "CURRENCY", ;
IIF( ISNULL( tcLeftRight ), ;
tcLeftRight, ;
UPPER( ALLTRIM( tcLeftRight )) ), ;
tcTo, ;
PARAMETERS() )
CASE NOT INLIST( This.cSet, "1", "3" )
* Do nothing.
CASE NOT INLIST( This.uNewSet, "LEFT", "RIGHT" )
ERROR 231 && was: cnVF_ERR_SETARGINVALID
RETURN .F. && early exit
CASE This.uNewSet == "LEFT"
SET CURRENCY LEFT
OTHERWISE
SET CURRENCY RIGHT
ENDCASE && of primary set
* Secondary set.
IF INLIST( This.cSet, "2", "3" )
SET CURRENCY TO ( This.uNewSetTwo )
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
DO CASE && of primary set
CASE NOT INLIST( This.cSet, "1", "3" )
* Do nothing.
CASE This.uOldSet == "LEFT"
SET CURRENCY LEFT
OTHERWISE
SET CURRENCY RIGHT
ENDCASE && of primary set
* Secondary set.
IF INLIST( This.cSet, "2", "3" )
SET CURRENCY TO ( This.uOldSetTwo )
ENDIF
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetCursor AS SetOnOff
*------------------------------------------------------------------------------
uDefault = "ON"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "CURSOR", tcValue )
RETURN .F. && early exit
CASE This.uNewSet == "ON"
SET CURSOR ON
OTHERWISE
SET CURSOR OFF
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE This.uOldSet == "ON"
SET CURSOR ON
OTHERWISE
SET CURSOR OFF
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetDatabase AS Set
*------------------------------------------------------------------------------
uDefault = ""
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
DO CASE
CASE NOT DODEFAULT( "DATABASE", tcValue )
RETURN .F. && early exit
CASE EMPTY( This.uNewSet )
SET DATABASE TO
OTHERWISE
SET DATABASE TO ( This.uNewSet )
ENDCASE
PROTECTED PROCEDURE Destroy
DO CASE
CASE This.lNoReset
* Do nothing.
CASE EMPTY( This.uOldSet )
SET DATABASE TO
OTHERWISE
SET DATABASE TO ( This.uOldSet )
ENDCASE
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetDataSession AS Set
*------------------------------------------------------------------------------
uDefault = 1
PROTECTED PROCEDURE Init( tnValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "DATASESSION", tnValue )
IF NOT EMPTY( tnValue )
SET DATASESSION TO This.uNewSet
ENDIF
ELSE
RETURN .F.
ENDIF
PROTECTED PROCEDURE Destroy
IF NOT This.lNoReset
SET DATASESSION TO This.uOldSet
ENDIF
ENDDEFINE
*------------------------------------------------------------------------------
DEFINE CLASS SetDate AS Set
*------------------------------------------------------------------------------
uDefault = "AMERICAN"
PROTECTED PROCEDURE Init( tcValue, tlNoReset )
IF tlNoReset
This.lNoReset = .T.
ENDIF
IF DODEFAULT( "DATE", tcValue )
SET DATE TO ( This.uNewSet )
ELSE
RETURN .F.