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Date: Thu, 09 Jun 2005 00:48:45 +0100
From: Adam Hardy <ahardy.struts@cyberspaceroad.com>
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To: Struts Users Mailing List <user@struts.apache.org>
Subject: Re: [ANNOUNCEMENT] Struts Dialogs: DispatchAction on steroids
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Well I've read it now ;)

I see you've based the Action around the Post-Redirect-Get pattern. I 
use it all the time. It's good.

I don't understand how you managed to get the page with validate-error 
not to make an entry in the browser history. I see you've turned off 
automatic validation but closer than that I'm not sure. It seems to be 
linked to the no-cache stuff but I didn't think the caching had anything 
to do with the browser history.


Adam

On 08/06/05 15:54&nbsp;Michael Jouravlev wrote:
> Adam, did you manage to read the full description DialogAction? ;-) I
> know, I know, that the first paragraph is very generic, but that is
> what the action does. Can you suggest some better wording?
> 
> I would appreciate if you tried the examples, especially the one
> called Login Control.
> 
> I guess I should hide SelectAction in the shadows, because the real
> deal is the DialogAction. On the other hand, I don't think that it
> makes sense to create a whole project out of one action. I will submit
> it as a patch in Bugzilla, and will hope that Struts committers find
> this class worth including in main Struts library. Because that is
> what I actually want, to share the joy ;-)
> 
> Michael.
> 
> On 6/8/05, Adam Hardy <ahardy.struts@cyberspaceroad.com> wrote:
> 
>>Michael,
>>
>>I too like Jack concentrated on SelectAction, purely because it was
>>first in the text.
>>
>>Looking at your description of DialogAction, I read the first paragraph
>>about DialogAction and didn't feel it was worth reading further - having
>>read about SelectAction (on the basis of your name) I then read that
>>desc of DialogAction and came across some amazingly non-descriptive
>>stuff like "accepting input data, dispatching submit event to a
>> > > method, generating error messages and rendering a view" (hmm,
>>sounds like my hello world servlet)
>>
>>And then I stopped reading :O
>>
>> From looking further at the description, it does look interesting, but
>>hey, this is the internet - 4 seconds and I'm gone! ;)
>>
>>On 08/06/05 07:08&nbsp;Michael Jouravlev wrote:
>>
>>>You do understand that SelectAction is actually just a helper, and the
>>>real story is DialogAction, do you? Have you seen the Login Control
>>>example?
>>>
>>>On 6/7/05, Dakota Jack <dakota.jack@gmail.com> wrote:
>>>
>>>
>>>>SelectAction is really old news and is what all the apps that use
>>>>multiple select image buttons do only with a lot less bloating of the
>>>>code  See http://www.michaelmcgrady.com/button/
>>>>
>>>>
>>>>
>>>>On 6/7/05, Michael Jouravlev <jmikus@gmail.com> wrote:
>>>>
>>>>
>>>>>Struts Dialogs is an extension of Struts actions that provides an
>>>>>improved user experience along with event-based programming model.
>>>>>
>>>>>Struts Dialogs currently consists of two action classes: SelectAction
>>>>>and DialogAction.
>>>>>
>>>>>------------
>>>>>SelectAction
>>>>>------------
>>>>>
>>>>>SelectAction is an abstract Action that dispatches an HTTP form
>>>>>submission event to a handler method.
>>>>>
>>>>>The purpose of this class is processing submission of HTML forms.
>>>>>Unlike DispatchAction and LookupDispatchAction, which correlate value
>>>>>attribute of submit form element with handler method, SelectAction
>>>>>uses name attribute. This allows to display a user-friendly caption on
>>>>>a submit button. Also, it is possible to change button caption without
>>>>>rebuilding the application.
>>>>>
>>>>>------------
>>>>>DialogAction
>>>>>------------
>>>>>
>>>>>DialogAction is an abstract Action that provides basic dialog
>>>>>functions, like accepting input data, dispatching submit event to a
>>>>>method, generating error messages and rendering a view. DialogAction
>>>>>allows to create robust user inteface and provides simple event-based
>>>>>programming model.
>>>>>
>>>>>DialogAction incorporates several innovative design decisions not
>>>>>previously used in Struts. Some of them are already implemented in
>>>>>other frameworks, like Ruby on Rails or JSF. Other features are unique
>>>>>to DialogAction.
>>>>>
>>>>>The cornerstone concept of DialogAction is separation of input and
>>>>>output processes. This solves several issues, related to HTML form
>>>>>input, like double submit problem, annoying POSTDATA messages, bad
>>>>>usability when Reload, Back and Forward buttons are used.
>>>>>
>>>>>DialogAction defines three different modes of operation:
>>>>>
>>>>>   * action initialization prepares action for use with new set of data;
>>>>>   * user input process accepts input data, updates domain model,
>>>>>generates error messages;
>>>>>   * view rendering process generates a result page.
>>>>>
>>>>>Separation of input and output improves usability and user experience:
>>>>>
>>>>>   * Any page can be reloaded without resending input information to
>>>>>the server.
>>>>>   * As a consequence, an application does not have to cope with
>>>>>double submits.
>>>>>   * Another consequence is that a user does not see "Do you want to
>>>>>resend POSTDATA?" message.
>>>>>   * Using Back and Forward buttons is safe, because only result
>>>>>pages are browsed.
>>>>>
>>>>>-------------------------
>>>>>Documents, files, samples
>>>>>-------------------------
>>>>>
>>>>>Online samples:
>>>>> http://www.superinterface.com/strutsdialog
>>>>>
>>>>>Documentataion:
>>>>> http://wiki.java.net/bin/view/Projects/StrutsDialogs
>>>>> If you cannot see pictures on SelectAction and DialogAction pages,
>>>>> you might need to register and login to java.net. But it should
>>>>> work without logging in.
>>>>>
>>>>>Source code for DialogAction and amples is located at:
>>>>> Folder:
>>>>>   https://easywizard.dev.java.net/servlets/ProjectDocumentList?folderID=3494&expandFolder=3494&folderID=3494
>>>>> File name:
>>>>>   strutsdialog.zip
>>>>>
>>>>>Michael Jouravlev.
> 
> 
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