A Chart Page extends com.manydesigns.portofino.pageactions.chart.ChartAction, you can override any method of it.
This page type offers no hooks.
The action give to you the following objects that you can use in your methods:
The Stripes context, e.g. you can obtain the request from it.
A string with the current path.
A com.manydesigns.portofino.model.Model, which stores all the information about the databases (e.g. tables, columns, ...).
This object stores all the configuration properties.
The Application object which store all common data of your application(e.g. all Hibernate sessions).
The org.slf4j.Logger that you can use to log your activities.