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Re: T5: Calling method with parameter in prop
by Andreas Pardeike-2
::
Rate this Message:
Hi,
Don't know what you folks do, but I have created a bunch of custom
bindings for different cases. The only thing I actually miss is the
ability to COMBINE them.
I.e., I have added a binding
equals:foo=bar
where foo and bar can be other binding objects or literals. I use
it successfully for switch/case situations like in
<t:if test="equals:foo='abc'"></t:if>
<t:if test="equals:foo='def'"></t:if>
..
<t:if test="equals:foo='xyz'"></t:if>
without the need to write a lot of getters.
Now, I also have
map:foo.bar
where foo is suppose to be a HashMap and it will call foo.get(bar).
As a result, all I want is the ability to have a way to specify foo and
bar with the same binding prefix as in the beginning.
For example, if I have a object that has a getter that returns a
hashmap, I would love to write
----------------------
map:(prop:obj.foo).bar
----------------------
which would call
obj.getFoo().get('bar')
If I could get this working (I don't care about the syntax), I would be
able to fulfill all my need by writing (and maybe contributing) a few
custom bindings.
On 9 maj 2008, at 18.31, Sven Homburg wrote:
>
> we will see what can we do ....
>
> 2008/5/9 Howard Lewis Ship <hlship@...>:
>
>> Nope; I just want to let you create Insanely Great things, using T5
>> as the
>> base.
>>
>> On Fri, May 9, 2008 at 9:10 AM, Sven Homburg
>> <homburgs@...>
>> wrote:
>>
>>> howard,
>>>
>>> you make us jobless ;-)
>>>
>>> 2008/5/9 Howard Lewis Ship <hlship@...>:
>>>
>>>> In 5.1 I want to extend the Tapestry property expression language
>>>> quite a bit further to address this (invoking methods), as well
>>>> as map
>>>> and array ceation ... basically, all the cool OGNL stuff people
>>>> miss.
>>>>
>>>> On Fri, May 9, 2008 at 7:52 AM, kranga <kranga@...> wrote:
>>>>> In looking at converting from T3 to T5, I've to deal with
>>>>> constructs
>> such
>>>>> as:
>>>>>
>>>>> class="ognl:menuClassName('home')" where getMenuClassName uses
>>>>> the
>>>>> parameter to compare with the page's "id" passed in to determine
>>>>> if
>> this
>>>> is
>>>>> the currentPage or not. So the template has multiple links with
>>>> constructs
>>>>> such as:
>>>>>
>>>>> class="ognl:menuClassName('about')"
>>>>> class="ognl:menuClassName('contact')" etc.
>>>>>
>>>>> How do I do this in T5 given that prop bindings to methods cannot
>> accept
>>>>> arguments? I'm sure there is a workaround, I just can't seem to
>>>>> find
>> one.
>>>>>
>>>>
>>>> Howard M. Lewis Ship
>>>
>>> Sven Homburg
>>
>> Howard M. Lewis Ship
>>
>
> Sven Homburg
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Don't know what you folks do, but I have created a bunch of custom
bindings for different cases. The only thing I actually miss is the
ability to COMBINE them.
I.e., I have added a binding
equals:foo=bar
where foo and bar can be other binding objects or literals. I use
it successfully for switch/case situations like in
<t:if test="equals:foo='abc'"></t:if>
<t:if test="equals:foo='def'"></t:if>
..
<t:if test="equals:foo='xyz'"></t:if>
without the need to write a lot of getters.
Now, I also have
map:foo.bar
where foo is suppose to be a HashMap and it will call foo.get(bar).
As a result, all I want is the ability to have a way to specify foo and
bar with the same binding prefix as in the beginning.
For example, if I have a object that has a getter that returns a
hashmap, I would love to write
----------------------
map:(prop:obj.foo).bar
----------------------
which would call
obj.getFoo().get('bar')
If I could get this working (I don't care about the syntax), I would be
able to fulfill all my need by writing (and maybe contributing) a few
custom bindings.
On 9 maj 2008, at 18.31, Sven Homburg wrote:
>
> we will see what can we do ....
>
> 2008/5/9 Howard Lewis Ship <hlship@...>:
>
>> Nope; I just want to let you create Insanely Great things, using T5
>> as the
>> base.
>>
>> On Fri, May 9, 2008 at 9:10 AM, Sven Homburg
>> <homburgs@...>
>> wrote:
>>
>>> howard,
>>>
>>> you make us jobless ;-)
>>>
>>> 2008/5/9 Howard Lewis Ship <hlship@...>:
>>>
>>>> In 5.1 I want to extend the Tapestry property expression language
>>>> quite a bit further to address this (invoking methods), as well
>>>> as map
>>>> and array ceation ... basically, all the cool OGNL stuff people
>>>> miss.
>>>>
>>>> On Fri, May 9, 2008 at 7:52 AM, kranga <kranga@...> wrote:
>>>>> In looking at converting from T3 to T5, I've to deal with
>>>>> constructs
>> such
>>>>> as:
>>>>>
>>>>> class="ognl:menuClassName('home')" where getMenuClassName uses
>>>>> the
>>>>> parameter to compare with the page's "id" passed in to determine
>>>>> if
>> this
>>>> is
>>>>> the currentPage or not. So the template has multiple links with
>>>> constructs
>>>>> such as:
>>>>>
>>>>> class="ognl:menuClassName('about')"
>>>>> class="ognl:menuClassName('contact')" etc.
>>>>>
>>>>> How do I do this in T5 given that prop bindings to methods cannot
>> accept
>>>>> arguments? I'm sure there is a workaround, I just can't seem to
>>>>> find
>> one.
>>>>>
>>>>
>>>> Howard M. Lewis Ship
>>>
>>> Sven Homburg
>>
>> Howard M. Lewis Ship
>>
>
> Sven Homburg
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