why not?

-igor

On Thu, May 14, 2009 at 3:11 PM, John Patterson <jdp2...@gmail.com> wrote:
>
> Why would you use IComponentBorder instead of IBehaviour?
>
>
> igor.vaynberg wrote:
>>
>> use IComponentBorder and then simply add it to each form component or
>> subclass formcomponents and add it in the constructor,
>> eg textfield.add(new fieldborder());
>>
>> -igor
>>
>> public class FieldBorder implements IComponentBorder
>> {
>>     public static final IComponentBorder INSTANCE = new FieldBorder();
>>
>>     public void renderAfter(Component component)
>>     {
>>         final Response out = component.getResponse();
>>
>>         List<FeedbackMessage> errors =
>> component.getSession().getFeedbackMessages().messages(
>>                 new ErrorsFilter(component));
>>
>>         if (errors.size() > 0)
>>         {
>>             out.write("<ul class=\"errors\">");
>>             for (FeedbackMessage error : errors)
>>             {
>>                 out.write("<li>");
>>                 out.write(error.getMessage().toString());
>>                 out.write("</li>");
>>             }
>>             out.write("</ul>");
>>         }
>>
>>     }
>>
>>     public void renderBefore(Component component)
>>     {
>>         component.setOutputMarkupId(true);
>>
>>         final Response out = component.getResponse();
>>
>>
>>
>>         final boolean required = isRequired(component);
>>
>>         out.write("<label for=\"");
>>         out.write(component.getMarkupId());
>>         out.write("\">");
>>
>>
>>         if (required)
>>         {
>>             out.write("<strong><em>*</em>");
>>         }
>>
>>         String label = null;
>>
>>         if (component instanceof LabeledWebMarkupContainer)
>>         {
>>             IModel labelModel =
>> ((LabeledWebMarkupContainer)component).getLabel();
>>             if (labelModel != null)
>>             {
>>                 label = labelModel.getObject().toString();
>>             }
>>         }
>>
>>         if (label == null)
>>         {
>>               label = component.getString(component.getId());
>>         }
>>
>>         if (!Strings.isEmpty(label))
>>         {
>>             out.write(label);
>>             if (separator)
>>             {
>>                 out.write(getSeparator());
>>             }
>>         }
>>
>>         if (required)
>>         {
>>             out.write("</strong>");
>>         }
>>
>>         out.write("</label>");
>>     }
>>
>>     protected String getSeparator()
>>     {
>>         return ":";
>>     }
>>
>>     private boolean isRequired(Component component)
>>     {
>>         if (component instanceof FormComponent)
>>         {
>>             return ((FormComponent)component).isRequired();
>>         }
>>         return false;
>>     }
>>
>>     private static class ErrorsFilter implements IFeedbackMessageFilter
>>     {
>>         private final Component target;
>>
>>         public ErrorsFilter(Component target)
>>         {
>>             this.target = target;
>>         }
>>
>>         public boolean accept(FeedbackMessage message)
>>         {
>>             if (message.isError() && message.getReporter() != null)
>>             {
>>                 if (target == message.getReporter())
>>                 {
>>                     return true;
>>                 }
>>                 if (target instanceof MarkupContainer)
>>                 {
>>                     if
>> (((MarkupContainer)target).contains(message.getReporter(), true))
>>                     {
>>                         return true;
>>                     }
>>                 }
>>             }
>>             return false;
>>
>>         }
>>     }
>>
>>
>> }
>>
>>
>> On Tue, Jan 13, 2009 at 12:20 PM, walnutmon <justin.m.boy...@gmail.com>
>> wrote:
>>>
>>> All,
>>>
>>> I have a page with many form components, nearly all of them have some
>>> kind
>>> of validation associated with them.  I have a feedback panel at the top,
>>> I'd
>>> like to move feedback next to each component.  I have thought of some
>>> ways
>>> to do this without changing a ton of code, however none really work in
>>> the
>>> end because I would still need to add some kind of HTML in order to
>>> display
>>> messages.
>>>
>>> Also, nearly everything like this that I have developed in wicket is
>>> usually
>>> accompanied by the discovery that wicket already has the functionality
>>> I'm
>>> looking for out of the box.  Searching has given me surprisingly little
>>> with
>>> regard to this topic though.  Can someone point me in the right
>>> direction?
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Form-Components-With-Built-In-Feedback-tp21443674p21443674.html
>>> Sent from the Wicket - User mailing list archive at Nabble.com.
>>>
>>>
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>>>
>>>
>>
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>>
>>
>>
>
> --
> View this message in context: 
> http://www.nabble.com/Form-Components-With-Built-In-Feedback-tp21443674p23549947.html
> Sent from the Wicket - User mailing list archive at Nabble.com.
>
>
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>
>

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