Book Image

Learning Pentaho CTools

By : Miguel Gaspar
Book Image

Learning Pentaho CTools

By: Miguel Gaspar

Overview of this book

Pentaho and CTools are two of the fastest and most rapidly growing tools for practical solutions not found in any other tool available on the market. Using Pentaho allows you to build a complete analytics solution, and CTools brings an advanced flexibility to customizing them in a remarkable way. CTools provides its users with the ability to utilize Web technologies and data visualization concepts, and make the most of best practices to create a huge visual impact. The book starts with the basics of the framework and how to get data to your dashboards. We'll take you all the way through to create your custom and advanced dashboards that will create an effective visual impact and provide the best user experience. You will be given deep insights into the lifecycle of dashboards and the working of various components. Further, you will create a custom dashboard using the Community Dashboards Editor and use datasources to load data on the components. You will also create custom content using Query, the Freeform Addins Popup, and text components. Next, you will make use of widgets to create similar sections and duplicate components to reproduce other components on a dashboard. You will then learn to build a plugin without writing Java code, use Sparkl as a CPK plugin manager, and understand the application of deployment and version control to dashboard development. Finally, you will learn tips and tricks that can be very useful while embedding dashboards into other applications. This guide is an invaluable tutorial if you are planning to use custom and advanced dashboards among the solutions that you are building with Pentaho.
Table of Contents (17 chapters)
Learning Pentaho CTools
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Dashboard storage


It's now possible to maintain parameter states between different sessions. Instead of using simple parameters, objects inside the special namespace storage can be saved and restored.

Dashboards can store values as per the user preferences. Let's suppose you have a dashboard where you want to persist the status next time you get on the dashboard. It's possible to do this with the storage functionality of CDF. Each time that the function dashboard.saveStorage() is called, CDF will store the content of the dashboard.storage object. When the dashboard is loaded for that user, the dashboard will have access to the object dashboard.storage where all the collections (objects and arrays) or functions are defined.

Tip

Don't forget to save the storage:

Storage will only be saved on the server side after running the dashboard.saveStorage()function; otherwise if you refresh the dashboard before saving it, you will notice that you have lost the last changes before the last save.

You can...