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Posted to users@wicket.apache.org by vineet semwal <vi...@gmail.com> on 2010/02/14 08:42:54 UTC

Re: How to hide / show additional descriptive Row below empty DataView?

two suggestions,
1)emptyrow.setoutputmarkupplaceholdertag(true) instead of
setoutputmarkupid(true).
2)you can use dataview.getitemscount() instead of data.size() as later can
be expensive.

On Sun, Feb 14, 2010 at 8:11 AM, <bh...@actrix.gen.nz> wrote:

> Hi all,
>
> How is it possible to dynamically show and hide an additional dummy
> row "No items to show" below a DataView?
>
> I tried this with code similar to code below but it does not work even
> though isVisible() is called. I have a small testcase ready to go.
> It's quite basic so I must be missing something obvious.
>
> Many thanks
>
> Bernard
>
>
> In a DataView, with an AjaxFallbackLink delete action, in onClick I do
> something like
>
> item.setVisible(false);
> target.addComponent(item);
> target.addComponent(emptyRow);
>
> with emptyRow as follows:
>
>        final WebMarkupContainer emptyRow = new
> WebMarkupContainer("emptyRow"){
>            @Override
>            public boolean isVisible(){
>                return rowProvider.size() == 0;
>            }
>        };
>        emptyRow.setOutputMarkupId(true);
>        add(emptyRow);
>
> In HTML:
>
>        <tr wicket:id="dataRow">
>            <td wicket:id="Id">ID</td>
>            <td><a wicket:id="delete">Delete</a></td>
>        </tr>
>        <tr wicket:id="emptyRow">
>            <td colspan="2">No Items to show</td>
>        </tr>
>
>
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> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
> For additional commands, e-mail: users-help@wicket.apache.org
>
>


-- 
regards,
Vineet Semwal

Re: How to hide / show additional descriptive Row below empty DataView?

Posted by vineet semwal <vi...@gmail.com>.
i meant dataprovider.size() ...

On Sun, Feb 14, 2010 at 1:12 PM, vineet semwal
<vi...@gmail.com>wrote:

> two suggestions,
> 1)emptyrow.setoutputmarkupplaceholdertag(true) instead of
> setoutputmarkupid(true).
> 2)you can use dataview.getitemscount() instead of data.size() as later can
> be expensive.
>
> On Sun, Feb 14, 2010 at 8:11 AM, <bh...@actrix.gen.nz> wrote:
>
>> Hi all,
>>
>> How is it possible to dynamically show and hide an additional dummy
>> row "No items to show" below a DataView?
>>
>> I tried this with code similar to code below but it does not work even
>> though isVisible() is called. I have a small testcase ready to go.
>> It's quite basic so I must be missing something obvious.
>>
>> Many thanks
>>
>> Bernard
>>
>>
>> In a DataView, with an AjaxFallbackLink delete action, in onClick I do
>> something like
>>
>> item.setVisible(false);
>> target.addComponent(item);
>> target.addComponent(emptyRow);
>>
>> with emptyRow as follows:
>>
>>        final WebMarkupContainer emptyRow = new
>> WebMarkupContainer("emptyRow"){
>>            @Override
>>            public boolean isVisible(){
>>                return rowProvider.size() == 0;
>>            }
>>        };
>>        emptyRow.setOutputMarkupId(true);
>>        add(emptyRow);
>>
>> In HTML:
>>
>>        <tr wicket:id="dataRow">
>>            <td wicket:id="Id">ID</td>
>>            <td><a wicket:id="delete">Delete</a></td>
>>        </tr>
>>        <tr wicket:id="emptyRow">
>>            <td colspan="2">No Items to show</td>
>>        </tr>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@wicket.apache.org
>> For additional commands, e-mail: users-help@wicket.apache.org
>>
>>
>
>
> --
> regards,
> Vineet Semwal
>



-- 
regards,
Vineet Semwal