Struts form tabs

Hi ,
I am new to struts and i have to work in a project which have  a form which will  have 6 to 8 tabs. I would like to save the data when i move to another tab also could some one pls let me know how to design the project using struts???i also want to do some serverside validatons using validation frame work.
pls let me know all the steps in order  so that i can follow in my desgning and coding .
Thx and Regards
sreddy_kAsked:
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Mayank SAssociate Director - Product EngineeringCommented:
>> I would like to save the data when i move to another tab

You can hit a servlet through a Javascript method when the user clicks on another tab and the servlet can store the data in the HttpSession object. If you want to save to a DB later after all tabs are processed, you can retrieve the object from session and save it to a DB.

>> i also want to do some serverside validatons using validation frame work.

See the tutorial at: http://www.roseindia.net/struts/struts_validator_framework.shtml
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nimaigCommented:
I would suggest you to have
1. Different ActionForm for different tabs : Reason being that each tab will differ in contents and it would be tough to handle and manage too much data in a single ActionForm.
2. You can have a single Action class to handle all the business logic / flow.
3. Have 2 buttons for each page 'Save' & 'Save & Exit'. 'Save' button can save the data and let the user be in the same tab. 'Save & Exit' will save the data and take the user to the main/master tab (may be the 1st tab).
4. Have a mechanism in the frontend (using JavaScript) to check if the user has modified any data in the screen (You can get free code in the net to do so). If the user has modified some data, while the user tries to change the tab, popup a javascript confirmation box asking something like this 'Data has been modified in this page. Do you want to save and proceed?'.
5. If the user opts for 'Saving', then save the data to the DB directly.
6. Load the data from the Data Source (say for ex. Database) each time the user visit the page/tab (i.e. clicks the tab).

Hope this helps.
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