Advancing to the next panel during the installation can be controlled using
This can be achieved by a nested
<validator> definition in the panel definition in the installer descriptor:
There can be any number of validators nested in a <panel> definition. All of the validators must evaluate to true for the final status to be true,
If any of the unconditioned validators or those that are active by a condition fails the user is prevented from advancing to the next panel using the Next button. Instead, an error or warning message is shown.
The validator determines whether a warning or an error messagebox is shown. It also controls the message translation.
<validator> tag takes the following attributes:
Fully qualified classname of an validator implementation.
This can be a built-in validator or user-defined .
|Condition for applying this validator. If this condition evaluates false, the validator is ignored||String||no|