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Thursday, 1 August 2013

Date Input Controls/Componets in pentaho CDE with a working example

Hello guys...!!!

In this post you will learn about how to create input controls in CDE.
The dashboard images which I am going to show below are having lots of .css code. I'm not covering all the things but concentrating on only Date input controls in CDE.

My Environment :
BI Server: Pentaho 4.5
CTools:Not found the version numbers of  C-Tools(Unable to check them)-- perhaps..! lesser than 13
Database : hsqldb (Comes along with pentaho installation -- A java based small db for servers like pentaho)

NOTE: Images are taken in this post after worked out the example. So find the yellow rectangular boxes to understand.

You need to work out @ 3 places in "Components" section.
1. Generic
2.Selects
3.Charts
Explained from step 1 to step 3

You need to work out  @ 1 places in "Data Sources" section. i.e, all in "Properties"

I'm not concentrating on Layout part for this example. So wherever the HtmlObject you find in this example replace them with your working HtmlObjects.



Step 1: Creating parameters
* Design your dashboard as per your requirement ( In the images you can find the sample designs).
 In the "Components" section:
1. Click on components
2. Click on Generic
3.Click on Date parameter
4. Go to properties give the name
     eg: param_start_date
5. Click + symbol  per another date parameter
6. Go to properties give the name
    eg: param_end_date

Find the  image


Step 2: Creating Date input Components
            In the "Components" section
1. Click on Componets
2. Click on Selects
3. Click on "Date input Component"
4. Go to Properties give name. eg: start_date in  my example
5. In the properties give HtmlObject. eg: start_date_select
     * HtmlObject is the name of the column where you are putting 
         your dateinput control.
6. Give  Parameter.[It will appear once you try to type]
      eg: In step 1 , created parameters.  so here give "param_start_date"
7. Give Listners[click on it, you will find the list of Listeners. Click OK]
8. Repeat 3-7 for "end_date" Date input
     component


Step 3:
Find the steps in image.


Html Object is the place where you are putting your chart.

Step 4: Applying parameters for Chart & Query
            In the "DataSoruces"
Find the steps in the image
Find the sub sequent image for  Parameters applying for chart & Query.


do same as shown in images.

Step 5:
Save the dashboard and then Click on "Preview" button.
See the images below for sample out put with date input controls.
Preview of the dashboard with out any input controls selection






Preview of the dashboard after selecting date input controls.. find the images below one by one.


Find the image for observing whether the chart become dynamic or not with different date input controls.




That's it.. You are done with date input controls on dashboard.

Thank you for reading this small post.

Sadakar.P
sadakar.1988@gmail.com