20 Dec
2011
20 Dec
'11
9:39 a.m.
On Mon, Dec 19, 2011 at 7:33 PM, Eugen Colesnicov <ecolesnicov(a)gmail.com> wrote:
Thomas Mortagne wrote
There is some possible hack to call velocity script from groovy but
would be a lot easier to do pure groovy actually.
If you want to repeat a task you should add a groovy method, for
example onEvent itself is a method you can call it with parameters and
it also can return an object which is a lot better that wiki macro in
this context. Wiki macro are really targeting display and are really
not supposed to be use as methods.
To summarize: yes I think you will have to do learn some groovy and
after some time you will see that it's a lot better than velocity for
a use case like that where you don't have anything to display. You can
take a look at http://groovy.codehaus.org/Beginners+Tutorial which
seems pretty nice. You should get started pretty quickly, groovy is
really easy for someone who already did programming in any other
language.
... What this script is doing
is to register a java object created with groovy, your velocity will
never be called when an event is received.
Basically what happen:
* when you view the page: a java listener is created and registered in
groovy and your velocity is executed but onEvent is not called
* when an event is received: onEvent of previously registred java
object is called and nothing else, the script is not executed
So if you need to do something when an event is received you need to
do it fully in the onEvent method.
Thanks Thomas!
As I understand, I should include all my planned script actions inside
groovy script (same as groovy script make changes in a title of source
page)...
According to this, I have another question. I should include ALL my actions
inside this onEvent object? For example, can I have on another page
something like macros (like velocity macros) and everytime, when I need
(when onEvent is called) - call this macros from onEvent object and execute
this? This is can be helpful if I need to repeat (when onEvent received)
some actions (for example - change title not only for source page, but for
all pages of a some class). If I can - it is possible to call velocity
macros, or all like this procedures should be written on groovy?
--
Best regards
Eugen Colesnicov!
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Thomas Mortagne