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Learning Pentaho CTools

You're reading from  Learning Pentaho CTools

Product type Book
Published in May 2016
Publisher Packt
ISBN-13 9781785283420
Pages 388 pages
Edition 1st Edition
Languages
Author (1):
Miguel Gaspar Miguel Gaspar
Profile icon Miguel Gaspar

Table of Contents (17) Chapters

Learning Pentaho CTools
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Getting Started with CTools Acquiring Data with CDA Building the Dashboard Using CDF Leverage the Process with CDE Applying Filters to the Dashboard Tables, Templates, Exports, and Text Components Advanced Concepts Using CDF and CDE Visualizations Using CCC Pentaho App Builder Embed, Deploy, and Debug Index

Parameter, parameters, and listeners, again


When talking about building an interactive dashboard, you need to remember that parameters are crucial. To have a component using the same query but showing different results, we need to use parameters. When defining the data source, we need to say which parameters will be used and build the query with them inside. Also, we need to have the dashboard parameters where the values we want to use when executing the query are.

When setting the component, we need to specify the data source and the parameters properties, among others, but for now let's focus on these two. In the component, the parameters property is where you specify the mapping of the parameters that you have created in the dashboard, using the components perspective, and the name of the parameters in the data source. This way, the component can get different results, depending on the value of the parameters we have in our dashboard.

Listeners are also crucial. The dashboard parameters...

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