Hasnt got to that stage yet, but Im guessing that the js trick wont be particularly 'appreciated'.
Of course that code is centralised in one javascript file, so can be changed once Ive had a chance to get tokens working, but Im going to need some fancy code to handle the situation where the url of the previous page is resubmitted as theres a fair bit of stuff that has to go into the session context that wont be there any more if they have completed that operation and then try to go back into it. Life would be a lot easier if this was just a website with some interactive bits, however its very much more in the nature of a complex application with bucket loads of state that happens to use a browser instead of a standalone client and so theres a lot more 'funny stuff' going on behind the scenes than your average struts app would have - none of which plays well with the back button (or refresh & multiple submit for that matter). :-( -----Original Message----- From: David Graham [mailto:[EMAIL PROTECTED] Sent: Tuesday, 11 March 2003 10:50 To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: RE: The Back button on on multi-page forms ?????? Yeah, maybe if you have no-cache setup the browser will contact the server again. That javascript trick is truly evil. I'm guessing you have some pretty upset users. I really hate it when sites break my back button and/or remove my navigation buttons. That's one reason why I strictly use Opera now; they give power back to the user and the button hiding tricks don't work. David >From: "Andrew Hill" <[EMAIL PROTECTED]> >Reply-To: <[EMAIL PROTECTED]> >To: "Struts Users Mailing List" <[EMAIL PROTECTED]> >Subject: RE: The Back button on on multi-page forms ?????? >Date: Tue, 11 Mar 2003 10:39:16 +0800 > ><snip> >Remember that the back button does not contact the server ></snip> > >Some do sometimes - but Im not sure under what cicumstances - probably >depends on what sort of caching setting you have set up in your browser - >and what browser it is - and the alignment of neptune and saturn etc.. (ie: >nothing you can rely on server side). Ive seen it happen. > >At the moment Im using the evil javascript location.replace trick to avoid >pages going into the history where possible. People who hit the back button >end up back on the login page... > >I really wanted to give them an electric shock to help the "back is bad" >concept sink in properly, but alas! - the hardware isnt in place to >administer this form of 'interactive user training' :-( > >-----Original Message----- >From: David Graham [mailto:[EMAIL PROTECTED] >Sent: Tuesday, 11 March 2003 06:17 >To: [EMAIL PROTECTED] >Subject: RE: The Back button on on multi-page forms ?????? > > >Then that is a browser specific issue. When I hit the back button in >Opera, >all of the form fields are just how I entered them. Remember that the back >button does not contact the server so Struts has nothing to do with this. > >David > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > >Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > >To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > >Subject: RE: The Back button on on multi-page forms ?????? > >Date: Mon, 10 Mar 2003 16:08:10 -0600 > > > >sorry, I think we are going in circles..... > > > >This is a multipage form (3 to be exact but with only one actionform), >BUT > >my whole original issue was: > > > >When they hit the back button the original form content IS either absent >or > >different to their last entries (I do a reset in the actionform0. > > > >Am I doing something wrong or is this a fact of life with the back >button. > > > >ron > > > >-----Original Message----- > >From: David Graham [mailto:[EMAIL PROTECTED] > >Sent: Monday, March 10, 2003 3:49 PM > >To: [EMAIL PROTECTED] > >Subject: RE: The Back button on on multi-page forms ?????? > > > > > >If this is a multi-page form, then don't use tokens and let them use the > >back button to correct the data. If it's a single page form, use tokens > >and > >provide an update form where they can correct any mistakes they made on >the > >add form. The difference is that the multi-page form will be >accumulating > >data in the session rather than immediately inserting it in the database. > > > >David > > > > > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > > >Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > >To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > >Subject: RE: The Back button on on multi-page forms ?????? > > >Date: Mon, 10 Mar 2003 15:36:25 -0600 > > > > > >I completely understand your example and how validation works..... > > > > > >In my example, the error is not a validation error, it is a user error > >(as > > >my example said a wrong phone number) > > >Say he/she typed in a home phone number and wants to go back and change > >it > > >to his work phone. > > >The user instinctively will hit the back button. > > >That's where my problem starts.......... > > > > > >ron > > > > > >-----Original Message----- > > >From: David Graham [mailto:[EMAIL PROTECTED] > > >Sent: Monday, March 10, 2003 3:27 PM > > >To: [EMAIL PROTECTED] > > >Subject: RE: The Back button on on multi-page forms ?????? > > > > > > > > >1. User submits form with invalid data. > > >2. Form bean's validate() method returns ActionErrors > > >3. Struts *forwards* the request back to the input page with errors > > >4. Input page displays errors. > > >5. User submits form again, if invalid goto step 1. > > > > > >There is no valid reason for the user to use the back button to correct > > >data. Tokens prevent the user from submitting the same form twice. > > > > > >David > > > > > > > > > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > > > >Reply-To: "Struts Users Mailing List" ><[EMAIL PROTECTED]> > > > >To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > > >Subject: RE: The Back button on on multi-page forms ?????? > > > >Date: Mon, 10 Mar 2003 15:07:40 -0600 > > > > > > > >So, how can they correct a user error (i.e wrong phone number) on the > > > >previous page, and resubmit the form? > > > > > > > >R > > > > > > > >-----Original Message----- > > > >From: David Graham [mailto:[EMAIL PROTECTED] > > > >Sent: Monday, March 10, 2003 3:01 PM > > > >To: [EMAIL PROTECTED] > > > >Subject: RE: The Back button on on multi-page forms ?????? > > > > > > > > > > > >Pressing the back button does not contact the server and thus cannot > >post > > > >any information. When the user submits the form again, their token > >will > > >be > > > >invalid and your action will prevent a duplicate post. > > > > > > > >David > > > > > > > > > > > > > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > > > > >Reply-To: "Struts Users Mailing List" > ><[EMAIL PROTECTED]> > > > > >To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > > > >Subject: RE: The Back button on on multi-page forms ?????? > > > > >Date: Mon, 10 Mar 2003 14:40:43 -0600 > > > > > > > > > >Maybe I'm dumb, but it is not apparent to me how the "token" is >used > >to > > > > >make > > > > >the back button post the correct form information. > > > > > > > > > >R > > > > > > > > > >-----Original Message----- > > > > >From: David Graham [mailto:[EMAIL PROTECTED] > > > > >Sent: Monday, March 10, 2003 12:48 PM > > > > >To: [EMAIL PROTECTED] > > > > >Subject: RE: The Back button on on multi-page forms ?????? > > > > > > > > > > > > > > >You'll notice that I also pointed you to the struts-example app >that > > > >shows > > > > >you how to use the methods you found in the javadoc. > > > > > > > > > >David > > > > > > > > > > > > > > > > > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > > > > > >Reply-To: "Struts Users Mailing List" > > ><[EMAIL PROTECTED]> > > > > > >To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > > > > >Subject: RE: The Back button on on multi-page forms ?????? > > > > > >Date: Mon, 10 Mar 2003 12:39:51 -0600 > > > > > > > > > > > >Khalid > > > > > > > > > > > >I will share anything I find. > > > > > > > > > > > >Have not got too much help so far..... > > > > > > > > > > > >I am digging into the "tokens" > > > > > > > > > > > >Javadoc does not say much !! > > > > > > > > > > > >Ron > > > > > > > > > > > >-----Original Message----- > > > > > >From: Khalid K. [mailto:[EMAIL PROTECTED] > > > > > >Sent: Monday, March 10, 2003 12:25 PM > > > > > >To: [EMAIL PROTECTED] > > > > > >Subject: Re: The Back button on on multi-page forms ?????? > > > > > > > > > > > > > > > > > >Hello Ron, > > > > > > > > > > > >We have an application that has the same problem. if you got the > > >"back" > > > > > >button issue resloved, could you please share the code sample ?? > > > > > >I checked the java doc, and it looks like "isValidToken" is in >1.1, > > >and > > > > >not > > > > > >in 1.0.2. > > > > > > > > > > > >Thanks! > > > > > > > > > > > >Khalid > > > > > > > > > > > >----- Original Message ----- > > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > > > > > >To: "Struts Users Mailing List" <[EMAIL PROTECTED]> > > > > > >Sent: Monday, March 10, 2003 10:14 AM > > > > > >Subject: RE: The Back button on on multi-page forms > > > > > > > > > > > > > > > > > > > I get the picture....thanks anyway. > > > > > > > > > > > > > > -----Original Message----- > > > > > > > From: David Graham [mailto:[EMAIL PROTECTED] > > > > > > > Sent: Monday, March 10, 2003 12:04 PM > > > > > > > To: [EMAIL PROTECTED] > > > > > > > Subject: RE: The Back button on on multi-page forms > > > > > > > > > > > > > > > > > > > > > See the Action class' javadoc for details. > > > > > > > > > > > > > > David > > > > > > > > > > > > > > > > > > > > > > > > > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > > > > > > > >Reply-To: "Struts Users Mailing List" > > > > ><[EMAIL PROTECTED]> > > > > > > > >To: "Struts Users Mailing List" > ><[EMAIL PROTECTED]> > > > > > > > >Subject: RE: The Back button on on multi-page forms > > > > > > > >Date: Mon, 10 Mar 2003 11:54:32 -0600 > > > > > > > > > > > > > > > >Thanks for the tip on tokens.... > > > > > > > > > > > > > > > >I'm not familiar (yet) with tokens. > > > > > > > >Are these new in 1.1 or have they always been there..... I >have > > >to > > > > >use > > > > > > > >Struts 1.0. > > > > > > > > > > > > > > > >Ron > > > > > > > > > > > > > > > >-----Original Message----- > > > > > > > >From: David Graham [mailto:[EMAIL PROTECTED] > > > > > > > >Sent: Monday, March 10, 2003 10:24 AM > > > > > > > >To: [EMAIL PROTECTED] > > > > > > > >Subject: Re: The Back button on on multi-page forms > > > > > > > > > > > > > > > > > > > > > > > >See the Action class' javadoc for the token methods and the > > > > > >struts-example > > > > > > > >app for how to use them. > > > > > > > > > > > > > > > >David > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >From: "Ron Day" <[EMAIL PROTECTED]> > > > > > > > > >Reply-To: "Struts Users Mailing List" > > > > > ><[EMAIL PROTECTED]> > > > > > > > > >To: "Struts Users Mailing List" > > ><[EMAIL PROTECTED]> > > > > > > > > >Subject: The Back button on on multi-page forms > > > > > > > > >Date: Mon, 10 Mar 2003 10:05:16 -0600 > > > > > > > > > > > > > > > > > >Anyone have any ideas or best practises on how to handle >the > > >use > > > > > > > >(mis-use) > > > > > > > > >of the browser back button on multi-page forms. > > > > > > > > > > > > > > > > > >My forms work fine and validate Ok, but if the back button >is > > > >used > > > > > >the > > > > > > > > >forms > > > > > > > > >are not re-populated properly. In particular anything that > >was > > >in > > > > >the > > > > > > > > >reset, > > > > > > > > >seems to be used when the form appears after the back >button > >is > > > > >used. > > > > > > > > > > > > > > > > > >ron > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >--------------------------------------------------------------------- > > > > > > > > >To unsubscribe, e-mail: > > > >[EMAIL PROTECTED] > > > > > > > > >For additional commands, e-mail: > > > > >[EMAIL PROTECTED] > > > > > > > > > > > > > > > > > > > > > > > > > >_________________________________________________________________ > > > > > > > >Add photos to your messages with MSN 8. 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