/* Copyright (c) Oracle Corporation 1996.  All Rights Reserved */

/*****************************************************************************
  NAME
    xrb60.vrf - V3 analysis/product configuration script for
                Express Oracle8 External Procedures.

  DESCRIPTION
    This script checks dependencies and environment settings for the
    installation of Windows Express Oracle8 External Procedures.

  MODIFIED   MM/DD/YY   REASON
   pgupta    06/18/98   created
*****************************************************************************/

{
    SHARED_ORACLE_COMPLIANT = TRUE;

    {doit = execute("%installer_home%%dir_separator%%operating_system%.vrf");}
    [
        'UNBOUND_VARIABLE:
        {
            required_version = product_version(instver_product);
            temp             = explode(required_version, ".");
            required_version = implode(list(first(temp),first(rest(temp)),
                                            first(rest(rest(temp))),
                                            first(rest(rest(rest(temp))))), ".");
            signal('FAILURE, instantiate(nls("instver_too_early1",
                                             "The version of the Installer currently running is %%installer_version%%. The installation you have chosen requires version %%required_version%% or later. Please run version %%required_version%% or later in order to perform this installation.")));
        }
    ]                                                                   /* This FAILURE will cause 3.0.x.x installer to exit gracefully. */

    /**************
    START MAIN LOGIC
    ****************/

/*    doit = TRUE;

    nls_lang = translate("nls_lang", ora_config);
    if(nls_lang == "AMERICAN_AMERICA.WE8ISO8859P1")
    {
        doit = FALSE;
    }*/

    if (doit)
    {

        /****************************************************************
        Display the generic "Welcome to Oracle Developer"
        billboard if not already displayed, and if Developer release
        *****************************************************************/
        if(exists("%installer_home%%dir_separator%d2bb_01.bmp"))
        {
            if(DEVELOPER2000_RELEASE)
            {
                if(not(DEV2K_BB01))
                {
                    DEV2K_BB01 = TRUE;
                    ui_graphics("%installer_home%%dir_separator%d2bb_01.bmp");
                }
            }
        }
        /****************************************************************/

        /*****************************
        Set the VRF-INS script ratchet
        ******************************/
        vrf_ratchet = "6.0.0.0.1";

        /********************************
        Version detection stuff for WinNT
        *********************************/
        osVer = operating_system_version();
        osVerStr = "Just thought I would let you know that you are running WinNT version 3.50.  This version of WinNT probably will not work with some of the Dev/2000 stuff.  It would be a good to upgrade now.";
        osVerTitle = "WinNT 3.50 Version Warning";

        if (operating_system == "nt")  /* see first if we are running NT */
        {
            if (osVer < "3.51")
            {
                information_dialog( instantiate( osVerStr ), instantiate( osVerTitle ), 'NO_CANCEL );
            } /* end osVerStr compare if */
        } /* end of os system if loop */

        /* end of version detection */

        /************************************************
        Create a label with the product name, and version
        *************************************************/
        EXECUTE_SCRIPT = "CREATE_LABEL";
        execute("%product_home%%dir_separator%d2kr2vrf.usr");
        /************************************************/

        /******************************************************************
        child_in_control = TRUE ==> component product called explicitly
        child_in_control = FALSE ==> component product called by the PARENT
        *******************************************************************/
        child_in_control = TRUE;
        if( member(products_for_installation, product_parent(current_product) ))
            child_in_control = FALSE;
        /**********************************************************************/

        /***********************
        Create Dependencies List
        ************************/

        dependency_list     = list(w32xs60,w32xrbl60);    /*for referencing*/
        verify_dependency_list     = list(w32xs60,w32xrbl60);  /*to verify for installation*/
        install_dependency_list = list(w32xs60,w32xrbl60);
        /***********************/

        /********************************************************************
        Initialize total size of files
        *********************************************************************/
        total_sum = 0;

        /**************************
        Determine installation path
        ***************************/
        OLAP_HOME = "%oracle_home%%dir_separator%olap";
        /**************************/


        /*********************************
        Verify PARENT if explicitly called
        **********************************/
        install_parent = FALSE;
        if(child_in_control)
        {
            EXECUTE_SCRIPT = "VERIFY_PARENT";
            install_parent = execute("%product_home%%dir_separator%d2kr2vrf.usr");
        }

        if(install_parent)
            total_sum = total_sum + verify(product_parent(current_product));
        /*********************************/

        /******************
        Verify Dependencies
        *******************/

        EXECUTE_SCRIPT = "VERIFY_DEPENDENCIES";
        total_sum = total_sum + execute("%product_home%%dir_separator%d2kr2vrf.usr");

        /******************/
        total_sum = total_sum + sum(deinst, xr, sql);

        return(total_sum);
        /********************************************************************/
    }
    else
    {
        refresh_map_file = FALSE;
        return(0);
    }
}