Re: [WebMacro-user] How to get the context into a ContextTool

[Keats K. <ke...@xa...>]

Turn on debugging and check the log.  It should show whether or not the 
Info tool got loaded and why it might have failed.

Keats

marcel.huijkman wrote:

> I'm playing with this 'trick' but can't get it to work.
>
> in my webmacro.defaults I've got this:
> ContextTools.Info: org.webmacro.util.Info
>
> But when I do this in my template:
> $Info
>
> It says:
> Exception:org.webmacro.PropertyException$UndefinedVariableException:
> Attempted to write an undefined variable: $Info at 
> c:\mydir\wsf\templates\index.wmt:15.1
>
> So I think I must be doing something wrong.
>
> If somebody could kick me in the right direction, I'll sent some 
> virtual flowers from Holland :-)
>
>
>
>
> Keats Kirsch wrote:
>
>> I had developed a way to use "context-aware" functions, but I think 
>> the concept was rejected in favor of the new AutoContextVariable 
>> concept.
>> I believe it works something like:
>>
>> public class ContextManipulator implements ContextAutoLoader {
>>    public Object get(String name, Context context) throws 
>> PropertyException {
>>       return doSomethingWithTheContext(context);
>>   }
>> }
>>
>> I think you configure this as a ContextTool, like:
>>
>>    ContextTools.Manipulate: com.acme.wm.ContextManipulator
>>
>> And then access it in the template like:
>>
>> $Manipulate
>>
>> Hope this helps.
>>
>> Keats
>>
>> marcel.huijkman wrote:
>>
>>> How to get the context into a ContextTool?
>>>
>>> I am playing with a ContextTool, which  does a lot for me, but I
>>> want to be able to manipulate the context from within my too.
>>>
>>> I can do it in a dirty kind of way, by putting the context in
>>> a var "WM_CONTEXT" into the context.
>>>
>>> And if I have to get of set something, I'll do it like this in my 
>>> template:
>>> $util.manipulate($WM_CONTEXT);
>>>
>>> But I was wandering if there isn't any better, cleaner way to do this?
>>> Can a ContextTool (that is loaded once) manipulate the exact context
>>> the end-user is playing with?
>>>
>>> - Marcel -
>>>
>>> PS. I start working for a java-company next year, so I hope to do 
>>> more WM.
>>>