/* Copyright (c) Oracle Corporation 1996.  All Rights Reserved */
/*****************************************************************************
  NAME
    NN60.vrf - V3 version analysis/product configuration script for the
                  TOOLS Utilities

  DESCRIPTION
    This script checks dependencies and environment settings for the
    installation of the TOOLS Utilities.

  MODIFIED    MM/DD/YY   Reason
  MAJAIN      To make NN60 an independent component.
******************************************************************************/
{
    /***********************************************************************
    Set Installer variables according to the <os.prd> being used.
    ***********************************************************************/

     dir_separator = "\";
    prefix = operating_system;
     {
        {instver_product =       evaluate("%prefix%instver"); } ['UNBOUND_VARIABLE: continue(); ]
        {orainst_product =       evaluate("%prefix%install"); } ['UNBOUND_VARIABLE: continue(); ]
     }

     /************************************/

    /*************************************************************
    Check if Tools Utilities is already installed and up to date.
    Check that the correct version of the Installer is being used.
    *************************************************************/
    reinstall_group         = nls("reinstall_group","Version %%installed_version%% of %%product_label%% has already been installed and is up to date.  Do you want to reinstall it?");
    reinstall_group_help = nls("reinstall_group_help","You selected to install %%product_label%%, which is up to date.  Unless a problem has occurred with %%product_label%%, there is no need to reinstall.  Choose 'No' to skip the reinstallation, or choose 'Yes' if you want to reinstall %%product_label%%.");

    { 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. */

    if((not(doit)) && (member(selected_products, current_product)))
        ui_action(instantiate(halt_installation));

    /***********************************************************************/
    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 up the nls message strings
        ******************************/
        display_product_label  = "%%product_label%% %%display_version%%";
        install_dll            = nls("install_dll", "Installing %%product_label%% Dynamic Link Libraries...");
        install_dependencies   = nls("install_dependencies", "Installing %%product_label%% Dependencies...");
        install_register       = nls("install_register", "Registering %%product_label%%...");
        halt_installation      = nls("halt_installation", "Cancelled installation at user's request...");
        reference_dependencies = nls("reference_dependencies","Referencing %%product_label%% Dependencies...");
        modify_variables       = nls("modify_variables", "Modifying %%product_label%% Environment Variables...");
        /*****************************/

        /*************************
           Set Product Name variables
        **************************/
         verify_dependency_list = list();
        install_dependency_list = list();
        /*************************/

        /*******************************
           Set the VRF-INS script "ratchet"
        ********************************/
        vrf_ratchet = "6.0.0.0.0";

        /*******************************************
        Create a label with the product, 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;
        /**********************************************************************/


        /*********************************
        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");
        }

         total_sum = 0;
        if(install_parent)
            total_sum = total_sum + verify(product_parent(current_product));
        /*********************************/

       /********************************************************************
        Calculate total size of installation.......
        *********************************************************************/


        /******************
        Verify Dependencies
        *******************/
        size_current_dependency = 0;
        while(not(empty(verify_dependency_list)))
        {
            current_dependency = first(verify_dependency_list);
            verify_dependency_list = rest(verify_dependency_list);

            size_current_dependency = verify(current_dependency);
            if(size_current_dependency != 0)
            {
                add(install_dependency_list, current_dependency);
                total_sum = total_sum + size_current_dependency;
            }
        }
        /******************/

        total_sum = total_sum + sum(deinstl,dll);
        return(total_sum);
        /********************************************************************/
    }
    else
    {
        refresh_map_file = FALSE;
        return(0);
    }
}