[SWFObject] external interface problems

Maurice Moore info at madcomputing.com.au
Mon Oct 16 22:56:34 PDT 2006 

Hi Aran,

I tried but could not get that to work either.
I posted on flashkit to ask if it was only suitable for full flash 
sites, but got no answer. but i read somewhere that this is the only 
time it is available after a page refresh ??

regards,

maurice

Aran Rhee wrote:
> Maurice.
> 
> Sorry if you've already thought of this, or if it unsuitable for your needs,
> but why don't you use flash shared objects rather than cookies ? 
> 
> You can store all kinds of objects in the structure (even full history
> management, complex nested objects etc)
> 
> 
> Aran
> 
>> -----Original Message-----
>> From: swfobject-bounces at lists.deconcept.com 
>> [mailto:swfobject-bounces at lists.deconcept.com] On Behalf Of 
>> Maurice Moore
>> Sent: Tuesday, 17 October 2006 12:58 PM
>> To: swfobject at lists.deconcept.com
>> Subject: Re: [SWFObject] external interface problems
>>
>> thanks for that,
>>
>> i am converting it to actionscript classes that fully 
>> abstract the cookie and use a broker pattern to serve the 
>> cookie objects and persist them so i can re-use it with any 
>> server language.
>>
>> thanks again
>>
>> maurice
>>
>> Geoff Stearns wrote:
>>> getURL won't return anything, only calls that you make through 
>>> external interface.
>>>
>>> normally when i set up things like this, i set up the js 
>> functions in 
>>> the html (or in a js file) and then just use external interface to 
>>> call those functions, and that allows you to get return values.
>>>
>>> it also makes it much easier to troubleshoot things, since 
>> you can put 
>>> in alerts and whatnot to see where the script is failing.
>>>
>>>
>>>
>>> On Oct 16, 2006, at 7:12 PM, Maurice Moore wrote:
>>>
>>>> hmm.. now i remember.
>>>>
>>>> i couldn't work out how to return something to flash when i use 
>>>> geturl to invoke the cookie 'get' function. at the moment 
>> it returns 
>>>> the value but
>>>>
>>>> return getURL("javascrtipt:getCookie('page');");
>>>>
>>>> wasnt returning anything.
>>>>
>>>> any ideas?
>>>>
>>>> maurice
>>>>
>>>> nyls wrote:
>>>>> mm.. so you write the JS functions through the external interface 
>>>>> call ..
>>>>>
>>>>> Did you try putting the cookie javascript outside the 
>> flash (on the 
>>>>> page or in a .js file ??)
>>>>>
>>>>> Nyls
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> -----Oorspronkelijk bericht-----
>>>>> Van: swfobject-bounces at lists.deconcept.com
>>>>> [mailto:swfobject-bounces at lists.deconcept.com] Namens 
>> Maurice Moore
>>>>> Verzonden: Monday, October 16, 2006 4:35 PM
>>>>> Aan: swfobject at lists.deconcept.com
>>>>> Onderwerp: Re: [SWFObject] external interface problems
>>>>>
>>>>> hi and thanks for the replies,
>>>>>
>>>>> the javascript is set from within the flash and is below 
>> (this is my 
>>>>> first time at a mailing list and the format is all over 
>> the place, 
>>>>> sorry).
>>>>>
>>>>> the actual actionscript that calls the following class 
>>>>> 'CookieBroker' is as follows
>>>>>
>>>>> ------------------
>>>>> function GetPage(pageToLoad)
>>>>> {
>>>>> 	if(pageToLoad == "/") { pageToLoad = "/?"; }
>>>>> 	var val = CookieBroker.GetCookie("page");
>>>>> 	if (val == undefined || (pageToLoad.indexOf(val) < 0))
>>>>> 	{
>>>>> 		CookieBroker.SetCookie("page", pageToLoad, "/");
>>>>> 		getURL(pageToLoad);
>>>>> 	}
>>>>> }
>>>>> ------------------
>>>>>
>>>>> then on(release) of the nav i call
>>>>>
>>>>> on(release)
>>>>> {
>>>>>    _root.GetPage(_root.HomePage); // or _root.GetPage 
>>>>> (_root.ContactUs); }
>>>>>
>>>>> // the pages are set as constants, so i can do the checking
>>>>> ------------------
>>>>>
>>>>> <script type="text/javascript">
>>>>>    // <![CDATA[
>>>>>    var fo = new SWFObject("/swf/navigation.swf", "nav", 
>> "771", "75", 
>>>>> "8", "#FFFFFF");
>>>>>    fo.write('flash_container');
>>>>>    // ]]>
>>>>> </script>
>>>>>
>>>>> and the .as file i include for the external interface is this
>>>>>
>>>>> import flash.external.ExternalInterface;
>>>>> /*
>>>>> * CookieBroker Class to manage javascript cookies within 
>> the flash 
>>>>> movie */ class CookieBroker {
>>>>> 	//
>>>>> 	private static var write_cookie:String = "function 
>> set_cookie(name, 
>>>>> value, path) {  var cookie = name + \"=\" + escape(value) + \"; 
>>>>> path=\"
>>>>> + escape(path); document.cookie = cookie; }";
>>>>> 	//
>>>>> 	private static var get_cookie:String = "function
>>>>> get_cookie(cookie_name) { var results = 
>>>>> document.cookie.match(cookie_name + '=(.*?)(;|$)'); if (results) 
>>>>> return (unescape(results[1])); else return null; }";
>>>>> 	//
>>>>> 	private static var remove_cookie:String = "function 
>>>>> removeCookie(name){var cookie = name + \"=\";cookie += '; 
>>>>> expires=Fri, 02-Jan-1970 00:00:00 GMT';document.cookie = 
>> cookie;}";
>>>>> 	//
>>>>> 	public static function SetCookie(name:String, value:String, 
>>>>> path:String):Void
>>>>> 	{
>>>>> 		ExternalInterface.call(write_cookie, name, value, path);
>>>>> 	}
>>>>> 	//
>>>>> 	public static function GetCookie(name:String):Object
>>>>> 	{
>>>>> 		return ExternalInterface.call(get_cookie, name);
>>>>> 	}
>>>>> 	//
>>>>> 	public static function DeleteCookie(name:String):Void
>>>>> 	{
>>>>> 		ExternalInterface.call(remove_cookie, name);
>>>>> 	}
>>>>> }
>>>>>
>>>>> when i run the page in FF there are no problems, but in IE i get 
>>>>> three errors.
>>>>>
>>>>> 1. 'nav' is undefined @ line 0
>>>>> 2. 'nav' is undefined @ line 0
>>>>> 3. 'nav' is undefined @ line 55
>>>>>
>>>>> any ideas please?
>>>>>
>>>>> regards,
>>>>>
>>>>> Maurice
>>>>> Click2Install Software
>>>>>
>>>>>
>>>>>
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>>>> MaD Computing Solutions
>>>>
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>>>> M: 0411 416 368
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