We use arguments pretty extensively within our model-glue applications to
make broadcasts and includes as generic as possible. We even have cases
where the event-handlers are automatically generated which pass in set
arguments as flags for options. The problem we run into quite often is when
an argument that is specified for the message has the same argument as the
one in the include. For example, notice the use of class for the message and
the view in the example below. I understand why this is, both of the values
share the same scope, values, and when the view in rendered it effectively
overwrites the value when the function is actually run. This has been a
major hurdle for us and we're constantly having to rename, or make
exceptions to accommodate for this, which is usually in the form of.
arguments.event.getValue(arguments.event.getValue('className', 'class')) -
get the value for the passed in name of the value your trying to get (dumb)
One resolution that I would propose is that the arguments that are passed to
specific broadcasts or view are stored within a scope relative to the name.
So that when I specify an argument within the message name ( ex: argument
class with broadcast 'getNavigationByStaticId') it stores it as something to
the effect of getNavigationByStaticId.class, and then the
arguments.event.getValue looks to see what event broadcast triggered the
call and looks for that scope, in additional to the standard scope.
Likewise, the viewstate.getValue would collapse this as well on the
front-end. This would keep it from breaking existing functionality, but
prevent this overlap. If not this, then what are some other ways to solve
this?
If perhaps some of this was addressed in MG3, please just point me to it as
this is a specific thing I've noticed from MG1-2.
Thanks,
Roy
Example problem with class overwriting:
<event-handler name="page.main.static">
<broadcasts>
<message name="getNavigationByStaticId">
........
* <argument name="class" value="" overwrite="true" />*
</message>
</broadcasts>
<views>
<include name="sidebarNav" template="/navigation/dspNavigationMenu.cfm">
.....
* <argument name="class" value="vlist" overwrite="true" />*
</include>
<include name="body" template="/static/dspStatic.cfm" />
</views>
<results>
<result do="view.template" />
</results>
</event-handler>
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