Currently, portlets don't have a possiblility to "behave" according to
parameters that are specific to a certain user. For example: a stock
watchlist portlet needs to be customizable so that it displays those stock
symbols that the user is interested in.
Parameters like this could be stored in the <entry> section of user.psml as
name/value pairs. E.g:
<entry type="ref" parent="StockWatchlist">
<layout position="3"/>
<parameter name="symbol1" value="SUN"/>
<parameter name="symbol2" value="IBM"/>
</entry>
This can already be done today, the parameters also get unmarshaled
correctly and find their way into the "Protlets-tree". However, when the
PortletSetFactory converts this object tree into a "PortletSet-tree", the
portlet parameters are simply ignored.
Now, there is actually no good place to put them at the moment:
PortletConfig shouldn't be user specific as it exists only once per portlet
and PortletControlConfig holds the PortletControl's parameters.
I think, that if a PortletControl holds a portlet and not a PortletSet, it
should store the portlets (user) parameters and pass them along with the
getContent method.
In more detail, this could look like follows:
* A PortletControl has an additional field "PortletUserConfig" that holds
the user-specific portlet settings. PortletUserConfig could be a new object
or just a ParameterParser.
* When the PortletSetFactory "converts" the "Portlets-tree" into a
"PortletSet-tree" it takes the portlet parameters and stores them in this
PortletUserConfig.
* The Portlet's getContent(Rundata rundata) method is changed to
getContent(Rundata rundata, PortletUserConfig portletUserConfig);
Does this sound sensible?
ingo.
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