/*********************************************************************
* Copyright (C) 2000 by Progress Software Corporation ("PSC"),       *
* 14 Oak Park, Bedford, MA 01730, and other contributors as listed   *
* below.  All Rights Reserved.                                       *
*                                                                    *
* The Initial Developer of the Original Code is PSC.  The Original   *
* Code is Progress IDE code released to open source December 1, 2000.*
*                                                                    *
* The contents of this file are subject to the Possenet Public       *
* License Version 1.0 (the "License"); you may not use this file     *
* except in compliance with the License.  A copy of the License is   *
* available as of the date of this notice at                         *
* http://www.possenet.org/license.html                               *
*                                                                    *
* Software distributed under the License is distributed on an "AS IS"*
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. You*
* should refer to the License for the specific language governing    *
* rights and limitations under the License.                          *
*                                                                    *
* Contributors:                                                      *
*                                                                    *
*********************************************************************/

/**************************************************************************
    Procedure:  _wfrun.p
                                       
    Purpose:    Checks to see if another tool is already 'run'ning a 
                procedure. If so, return error. If not, set global var
                called wfRunning to the tools name.
                
                Performs same check to TRANSACTION.

    Syntax :    RUN adecomm/_wfrun.p ( INPUT toolname , OUTPUT rcode ).

    Parameters:
        toolname : Name of calling ADE tool
        rcode    : return code (is something else running?)
    Description:
    Notes  :
    Authors: Gerry Seidl
    Date   : 12/16/94
**************************************************************************/
DEFINE NEW GLOBAL SHARED VARIABLE wfRunning     AS CHARACTER NO-UNDO.

DEFINE INPUT  PARAMETER toolname   AS CHARACTER              NO-UNDO.
DEFINE OUTPUT PARAMETER rcode      AS LOGICAL   INITIAL YES  NO-UNDO.

DEFINE VARIABLE tool_running       AS LOGICAL                NO-UNDO.
DEFINE VARIABLE tool_name          AS CHARACTER              NO-UNDO.

ASSIGN tool_running = (wfRunning <> "" AND wfRunning <> toolname).
IF tool_running OR TRANSACTION THEN
DO:
    ASSIGN tool_name = wfRunning.
    ASSIGN tool_name = ENTRY(1, tool_name) NO-ERROR.
    IF tool_running THEN
    MESSAGE "Cannot run." tool_name "is already running application code."
        VIEW-AS ALERT-BOX ERROR BUTTONS OK IN WINDOW ACTIVE-WINDOW.
    ELSE
    MESSAGE "Cannot run. A transaction is currently active."
        VIEW-AS ALERT-BOX ERROR BUTTONS OK IN WINDOW ACTIVE-WINDOW.
    ASSIGN rcode = YES.
END.
ELSE
    ASSIGN wfRunning = toolname
           rcode     = NO.