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Date: Sat, 27 Jun 2009 09:22:17 +1000
Message-ID: <525d8e10906261622i48359cc2wfd0d02dfd74eb385@mail.gmail.com>
Subject: Re: Method chaining revisited
From: Malcolm Edgar <malcolm.edgar@gmail.com>
To: click-dev@incubator.apache.org
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This is a topic I wanted to raise for 2.2 is introducing a
builder/factory capability in Click.  We have used this in projects
and it greatly number of lines of code.

Personally I think this is a better approach than method chaining.  I
will u pload some builder/factory patterns later today.

regards Malcolm Edgar

On Fri, Jun 26, 2009 at 2:07 PM, florin.g<florin@bytenotes.com> wrote:
>
> I'm a fan
>
>
>
> sabob wrote:
>>
>> Its been suggested before to add method chaining to Click controls.
>>
>> With Java5 support of Covariant return types, I'd like to revisit this
>> feature. It would allow us to write the following:
>>
>> =A0 =A0form.add(new TextField("name").required(true).width("200px"));
>>
>> instead of:
>>
>> =A0 =A0TextField field =3D new TextField("name");
>> =A0 =A0field.setRequired(true);
>> =A0 =A0field.setWidth("200px");
>> =A0 =A0form.add(field);
>>
>>
>> I think Field and Column would get the most benefit from such a change.
>>
>> Couple of issues are API bloat, which is why I'd like to limit this to
>> =A0 only a couple of controls. The other issue is NPE but that shouldn't
>> be a problem because a reference to the Control instance is always
>> returned.
>>
>> Thoughts?
>>
>> bob
>>
>>
>
> --
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>
>