Hi Simon:
thank you give me advises,I expert you give me more advise about--
how to implement pro.jpg show content?
The 'new'column show different components in per row,if I use rendered
attribute how can control
every row different(the picture show)
best regards
kevin
Simon Kitching-3 wrote:
>
> That article isn't describing how to create a table with different
> components in each row; it simply describes how to use java code to
> define a table that has the *same* components in each row. With this
> approach, it is possible to vary the number of columns present in the
> table each time the page is re-rendered. However you cannot have
> different components in different rows of the table.
>
> MyFaces should work fine with this example code.
>
> To solve your original problem, you should simply use the approach you
> described in your first posting - define all the components that can
> possibly exist in the row, then set the rendered attribute to false for
> ones that you don't want visible in a specific row.
>
> kevin_zhai wrote:
>> Hi simon:
>>
>> I find a url desc how to implement,but it's sun's
>> tool(jscreator),myfaces
>> it's real can't do that...
>>
>> http://developers.sun.com/prodtech/javatools/jscreator/reference/techart/2/createTableDynamically.html
>>
>>
>>
>> Simon Kitching-3 wrote:
>>
>>> The UIData component uses the "flyweight" pattern to process its rows,
>>> as described in the javadoc I pointed out. Because of this, I'm pretty
>>> sure that attempting to change the child components of a UIData object
>>> while it is iterating over its rows will have most unpleasant
>>> side-effects.
>>>
>>> Regards,
>>>
>>> Simon
>>>
>>> kevin_zhai wrote:
>>>
>>>> Hi
>>>> If we can create table in back bean dynamically,
>>>> maybe it can attach me the requirement,
>>>> can anybody give me advice,thanks
>>>>
>>>>
>>>> Simon Kitching-3 wrote:
>>>>
>>>>
>>>>> Hi Kevin,
>>>>>
>>>>> kevin_zhai wrote:
>>>>>
>>>>>
>>>>>> I have a Table that has a column containing buttons for operations
>>>>>> on
>>>>>> each
>>>>>> row. Each row may have different operations applicable to it, so the
>>>>>> buttons
>>>>>> for each row need to be determined dynamically based on the contents
>>>>>> of
>>>>>> row.
>>>>>>
>>>>>> I have seen code to dynamically create buttons, but what I would like
>>>>>> to
>>>>>> know is how to do this on a per-row basis, so that row 1 would might
>>>>>> have
>>>>>> 1
>>>>>> button, row 2 would have 3 buttons and so on. I would like to avoid
>>>>>> the
>>>>>> solution of creating all of the possible types of buttons and hiding
>>>>>> the
>>>>>> ones that do not apply to the current row.
>>>>>>
>>>>>>
>>>>>>
>>>>> It is not possible to change the set of components per-row. Instead,
>>>>> you
>>>>> *must* define all the possible types of components present in a row,
>>>>> then use the rendered attribute to show/hide them based on what you
>>>>> want
>>>>> to display on a specific row.
>>>>>
>>>>> See the javadoc for the UIData component for details:
>>>>> http://myfaces.apache.org/api/apidocs/index.html
>>>>>
>>>>> Regards,
>>>>>
>>>>> Simon
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>
>
>
http://www.nabble.com/file/3932/pro.jpg
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