Australian Personal Computer 1999 November/APC411-2.ISO/multimed/MediaCenter.exe/data1.cab/WorkShop/Pages/update.js

Text File | 1999-07-27 | 4.7 KB | 174 lines

function handleUpdateDialog()
{
    // if cookies are disabled by user don't show nag dialog, ever
    if ( !window.navigator.cookieEnabled )
        return;

    // if no cookie create one. User deleted or first time app run.
    if ( document.cookie == "" )
        createCookie();

    // read cookie and parse out fields
    var reminder_date;
    var dialogShown;
    var shouldShowDialog;
    var WS_cookie = document.cookie;
    var WS_cookie_array = WS_cookie.split(",");
    reminder_date         = WS_cookie_array[1];
    dialogShown         = WS_cookie_array[2];
    shouldShowDialog     = WS_cookie_array[3];

    var current_date = getCurrentDate();

    // see if we need to show dialog. If so, show it
    if ( need_to_show_dialog( current_date, reminder_date, dialogShown, shouldShowDialog ))
    {
        var args = new dialogArgs();
        var strFeatures = "dialogWidth:585px;dialogHeight:300px;" +
                             "help:no;maximize:no;minimize:no;scrollbars:no;status:no";

        var cRetValue=showModalDialog( "update.htm", args, strFeatures );

        // get user results
        shouldShowDialog = ( args.showFlag == true ) ? "true" : "false";
        dialogShown = "true";

        // set next show date
        var reminder_date = getReminderDate();

        // write cookie
        writeCookie( reminder_date, dialogShown, shouldShowDialog );

        // navigate to local SmartUpdate page
        if ( cRetValue == true )
        {
            window.top.navigate( "update_confirm.htm" );
        }
    }
}

function need_to_show_dialog( current_date, reminder_date, dialogShown, shouldShowDialog )
{
    if ( shouldShowDialog == "true")
        return evalDate( current_date, reminder_date ); // see if time interval has elapsed

    return false;
}

function evalDate( current, datetoeval )
{
    if ( datetoeval == "" || current == "" )
        return false;

    var currentyear = current.substring(4,8);
    var currentmonth = current.substring(0,2);
    var currentdate = current.substring(2,4);
    var datetoevalyear = datetoeval.substring(4,8);
    var datetoevalmonth = datetoeval.substring(0,2);
    var datetoevaldate = datetoeval.substring(2,4);

    //alert("Current\r" + currentyear + "\r" + currentmonth + "\r" + currentdate + "\r\r" + "Date to Eval\r" + datetoevalyear + "\r" + datetoevalmonth + "\r" + datetoevaldate + "\r")

    if (currentyear > datetoevalyear)
        return true;

    if (currentyear < datetoevalyear)
        return false;

    if (currentyear == datetoevalyear)
    {
        if (currentmonth > datetoevalmonth)
            return true;
        if (currentmonth == datetoevalmonth)
        {
            if (currentdate >= datetoevaldate)
                return true;
        }
    }
    return false;
}

// If the Cookie doesn't exist, create it and write it out
function createCookie()
{
    var reminder_date = getReminderDate();
    var dialogShown = "false";// Set up first time this instance flag
    var shouldShowDialog = "true";// Set up ok with user to show flag

    writeCookie( reminder_date, dialogShown, shouldShowDialog );

} // createCookie

// Set up reminder date
function getReminderDate()
{
    var reminder = new Date();
    var remind_month = (reminder.getMonth() + 2);
    var remind_date = (reminder.getDate());
    var remind_year = (reminder.getYear());
    if ((remind_year>"97") && (remind_year<"2000"))
        remind_year = remind_year + 1900;

    if (remind_month > 12)
    {
        remind_month = remind_month - 12;
        remind_year = remind_year + 1;
    }

    if (remind_month<"10")
        remind_month="0" + remind_month;

    if (remind_date<"10")
        remind_date="0" + remind_date;

    var reminder_date=(remind_month + "" + remind_date + "" + remind_year);

    return reminder_date;

}

function writeCookie( reminder_date, dialogShown, shouldShowDialog )
{
    // Set up expiration date
    var the_date = new Date("December 31, 2032");
    var expirationDate = the_date.toGMTString();

    // Set up cookie and write it
    var WS_cookie = "workshop_cookie=," + reminder_date + "," + dialogShown + "," + shouldShowDialog;
    WS_cookie = WS_cookie + ";expires=" + expirationDate;
    document.cookie = WS_cookie;

    //alert ( "writing cookie: " + WS_cookie );
}

// set up normalized current date
function getCurrentDate()
{
    var reminder = new Date();
    var addyear = "";
    var remind_month = (reminder.getMonth() + 1);
    var remind_date = reminder.getDate();
    var remind_year = reminder.getYear();

    if ((remind_year > "97") && (remind_year < "2000")) //Sets year to 4 digits
        addyear=19;

    if (remind_month < "10") //Makes the month a 2 digit if it isn't
        remind_month = "0" + remind_month;

    if (remind_date < "10") //Makes the day a 2 digit if it isn't
        remind_date = "0" + remind_date;

    var current_date = (remind_month + "" + remind_date + "" + addyear + remind_year);

    return current_date;
}

// Create dialogArgs object & initialize
function dialogArgs()
{
    this.showFlag = true;
}