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Validate Parameter List

Gremlin

Hi,

i currently try to solve the following scenario :

You define a parameter with static or dynamic list, maybe the two values ['One','Two'].
The report running in WebViewer shows the parameterpage. Now the devil-user change the page
for example with firebug and add a third value 'Three' and send it back to run the report.

How can i get the list of defined values in the parameter validate-event ?

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Comments

averma

Hi Gremlin,
If the list is derived from a data set, you could store the data set values in a javascript list (use onFetch event handler) and use that for validation.

Ashwini

Gremlin

Hi Ashwini, 
 
thanks for your reply. I tried some kind of this. 
I just created a static list in code but failed when using the reportContext.setPersistentGlobalVariables to carry the list to validate-event. 
 
I have the same effect when using a global javascript variable. It's unknown in validate-event. 
 
I'm actually using Version 2.5.2 of Birt. 
 
If you have the time, please try it out. Maybe i make a foolish mistake. 
 
An other aspect on this. Yesterday i browsing thru the java classes, i found this part in ScalarParameterHandle : 
<pre class='_prettyXprint _lang-auto _linenums:0'>/**
* Sets the flag indicates that whether the value must match one of values
* in the selection list.
*
* @param mustMatch
* <code>true</code> if the value must match one of values in the
* list, otherwise <code>false</code>.
* @throws SemanticException
* if the property is locked.
*/

public void setMustMatch( boolean mustMatch ) throws SemanticException
{
setBooleanProperty( MUCH_MATCH_PROP, mustMatch );
}</pre>
 
There seems to be a validation check inside. But where in UI or in XML-Definition File is the switch to turn it on ? 
 
Gremlin