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

/*****************************************************************************
  NAME
    fapi60.vrf - V3 analysis/product configuration script for Oracle
                  Forms 6.0 API

  DESCRIPTION
    This script checks dependencies and environment settings for the
    installation of Oracle Forms 6.0 API.

  MODIFIED   MM/DD/YY   REASON
    pgupta   11/07/97   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
    ******************************************************************************************************/
    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 = "6.0.8.13.0";

         main_product_version = "6.0.8.8.0";
         /***************************
         Check Installed Version
         ***************************/
         if(registered(product_name(current_product)))
         {
              check_installed_version = registry_version(registration(product_name(current_product)));
              if(earlier_version(check_installed_version, main_product_version))
              {
                   information_dialog(instantiate(product_upgrade_required),
                                      instantiate(product_upgrade_contents),
                                      instantiate(product_upgrade_help));
                   refresh_map_file = FALSE;
                   doit = FALSE;
                   return(0);
              }
          }
          else
          {
                information_dialog(instantiate(main_product_required),
                                   instantiate(main_product_contents),
                                   instantiate(main_product_help));
                 refresh_map_file = FALSE;
                 doit = FALSE;
                 signal('FAILURE, instantiate(halt_installation));
          }
        /************************************************
        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;
        /******************************************************************/

        /*************************
        Set Product Name variables
        **************************/
        PARENT_PRODUCT  = w32forms60;
        COMPONENT_PRODUCT = w32fdes60;   /*Forms Designer required for install*/
        /*************************/

        /**************************
        Determine installation path
        ***************************/
        install_variable = "FORMS60";
        default_home     = "%oracle_home%%dir_separator%FORMS60";
        FORMS60 = execute("%product_home%%dir_separator%instloc.usr");
        /**************************/

        /***************************************************************************
        Calculate total size of installation.......
        ****************************************************************************/
        total_sum = 0;

        /********************************************
        Check if Forms Designer needs to be installed
        *********************************************/
        if(child_in_control)
        {
            EXECUTE_SCRIPT = "CHECK_COMPONENT_PRODUCT";
            execute("%product_home%%dir_separator%d2kr2vrf.usr");

            if(install_component)
                total_sum = total_sum  + verify(COMPONENT_PRODUCT);
        }
        /********************************************/

        total_sum = total_sum + sum(deinst, api);

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