I dont' have such a sequence like that, but you can get the same when
you read the source code of the RequestProcessor class.
starki78 wrote:
> Thanks for this great explanations
> I already solved this problem
> and now 'm quite close to understand it!
> It would be great to have a sequence diagramm
> to see this flow
> submit-reset-populate-validate....
> because knowing this flow isn't quite clear
> to a normal struts-user.
>
> THANKS A LOT
>
>
>
>> starki78 wrote:
>>
>>> Hi!
>>>
>>> I've a large problem with html:multibox.
>>> I've tree checkboxes. When I choose
>>> one or two or three it arrives correct
>>> at the next action!
>>> Only then all checkboxes are deselected
>>> it remembers the state of the checkboxes that was
>>> selected before! The state of the form is session in struts-config.
>>> Can you help me with this problem??
>>> I really don't have an idea how to solve it!
>>>
>>>
>> As Adam J. mentioned, it sounds like you're using a session-scoped
>> bean. Try overriding (if you haven't already) the reset() method of
>> your form bean and resetting the property:
>>
>> public void reset( ActionMapping mapping, HttpServletRequest request )
>> {
>> this.values = new String[0];
>> }
>>
>> If you're _not_ using a session bean (and are using a request-scoped one
>> instead), you'll _still_ want to do the above. Using this way in both
>> cases, values from the previous request are discarded. If the web
>> browser doesn't send any checkbox values over (because none are
>> checked), then this.values will be an empty array, which corresponds to
>> the very state of the submitted form's checkboxes (ie: none are checked).
>>
>> The array of values in your formbean for an html:multibox are a list of
>> values of checked checkboxes. So...
>>
>> 1. Form bean looks like this:
>> this.values = { "value1", "value3", "value5" };
>>
>> 2. Displayed form looks like this:
>> <html:multibox property="values">value1</html:multibox> 1
>> <html:multibox property="values">value2</html:multibox> 2
>> <html:multibox property="values">value3</html:multibox> 3
>> <html:multibox property="values">value4</html:multibox> 4
>> <html:multibox property="values">value5</html:multibox> 5
>>
>> 3. HTML sent to browser looks like this:
>> <input type="checkbox" name="values" value="value1" checked> 1
>> <input type="checkbox" name="values" value="value1"> 2
>> <input type="checkbox" name="values" value="value1" checked> 3
>> <input type="checkbox" name="values" value="value1"> 4
>> <input type="checkbox" name="values" value="value1" checked> 5
>>
>> 4. User unchecks ALL checkboxes, and submits the form.
>>
>> 5. Struts calls reset() on your form
>> - Your reset() method sets this.values = new String[0]
>>
>> 6. Struts populates your form, and _doesn't touch "values"_, because
>> nothing is checked, so values remains an empty array.
>>
>> Sound good?
>>
>> - Scott
>>
>>
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>>
>
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