Re: can a macro have 2 nested areas?
Daniel Dekany <[email protected]>
| Newsgroups | gmane.comp.web.freemarker.user |
|---|---|
| Message-ID | <[email protected]> |
Monday, May 28, 2012, 2:13:34 PM, Daniel López wrote:
> Wouldn't this also work?
> <#macro head>
> ...
> </#macro>
> <@page>
>
> </@page>
>
> and then inside the page macro definition, use <@head/> ?
That's not a good solution, because in the scope of the called macro
there can be another variable called "head" (like a macro parameter or
other local) which hides the global one. Also, the called macro might
uses another name-space than the caller, in which case head wouldn't
be visible.
> I remember having used something like that. The only downside being that
> you have to remember to define all the macros you use, even if empty, in
> all the places you use the general macro.
>
> S!
> D.
>
> El 28/05/2012 13:07, Daniel Dekany escribió:
>> A macro call can have only one piece of nested content. You had to
>> pass in the JavaScript as a parameter to the macro. Unfortunately,
>> there's no syntactical sugar for passing in anonymous macros as
>> parameters, so what you have to do is:
>>
>> <#macro myJSGenerator>
>> ...
>> </#macro>
>> <@page javascript=myJSGenerator>
>> ...
>> </@page>
>>
>> Then inside the page macro you had to do something like:
>>
>> <head>
>> <#if javascript?is_directive><@javascript/><#else>${javascript}</#if>
>> </head>
>>
>> so now the javascript parameter can be a string or a macro that prints
>> javascript.
>>
>>
>> Monday, May 28, 2012, 5:15:49 AM, S Ahmed wrote:
>>
>>> My page template macro looks like:
>>>
>>> <#macro page ...>
>>>
>>> <html>
>>> ..
>>> <head>
>>> JAVASCRIPT HERE
>>> </head>
>>> <body>
>>> ...
>>> <#nested>
>>> ..
>>> </body>
>>> </html>
>>>
>>> </#macro>
>>>
>>>
>>> But I want to be able to do is, from within another ftl page that
>>> uses the above macro, I want to inject javascript in the section in the head of the html, so like:
>>>
>>>
>>> <#macro page ...>
>>>
>>> <html>
>>> ..
>>> <head>
>>> JAVASCRIPT HERE
>>> <#javascript>
>>> </head>
>>> <body>
>>> ...
>>> <#nested>
>>> ..
>>> </body>
>>> </html>
>>>
>>> </#macro>
>>>
>>>
>>> Is that possible?
>>>
>>
>
>
--
Best regards,
Daniel Dekany
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