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From "Jason Johnston (JIRA)" <>
Subject [jira] Commented: (COCOON-1811) [PATCH] Flow Script: Allow dynamic loading of JavaScript objects even when scope is locked
Date Mon, 03 Apr 2006 13:24:19 GMT
    [ ] 

Jason Johnston commented on COCOON-1811:

Would it perhaps make more sense to modify the behavior of cocoon.load() so that it loads
the target script not into the top-level scope but instead into the scope from which it is
called? So in the original example the myObject class would only be defined within the scope
of the loadScript() function. This seems cleaner to me.

> [PATCH] Flow Script: Allow dynamic loading of JavaScript objects even when scope is locked
> ------------------------------------------------------------------------------------------
>          Key: COCOON-1811
>          URL:
>      Project: Cocoon
>         Type: Improvement

>   Components: Blocks: Forms
>     Versions: 2.2-dev (Current SVN), 2.1.9-dev (current SVN)
>     Reporter: Rob Berens
>     Priority: Minor
>  Attachments: FOM_JavaScriptInterpreter.txt
> Currently it is not possible to add variables to the scope of a FOM_JavaScriptInterpreter,
unless the scope is not locked yet or when still in the main loading process or when loading
native java classes. Therefore it is not possible to dynamically load JavaScript classes like
the one below:.
> -------------------------------
> function myObject() {                // at this point the current
> implementation throws the exception
>      // constructor for myObject
> }
> myObject.prototype.myMethod = function() {
>     // implementation of myMethod
> }
> -------------------------------
> from within a script fragment like this one:
> -------------------------------
> function loadScript() {
>     var scriptURI = "determineScriptURIFromRequest";
>     cocoon.load(scriptURI);
> }
> -------------------------------
> The attached patch solves this by allowing also objects of the type org.mozilla.javascript.Function
to be loaded into a locked scope.

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