what i would do is override wantOnSelectionChangedNotifications() of the dropdown - that way the form is submitted every time you change the selection.
then also override onSelectionChanged and call validate() to run the validators.
-Igor
Hello,
I'm using a DropDownChoice and I have one entry which shouldn't be selected.
I implemented a validator which captures this feature. The validator does the right thing but only when the page is submitted.The problem is that I need an info message before submitting the form!
Here some code:The DropDownChoice initialized in the Page-Constructor:
XXXDropDownChoice dropDownChoice = new XXXDropDownChoice(
"xxx", listModel, new ChoiceRenderer("name",
"id"), false);
dropDownChoice.add(new XXXChoiceValidator());
form.add(dropDownChoice);
if (!dropDownChoice.isChoiceAvailable()){
getFeedbackMessages().info(dropDownChoice ,"An info text!");
}The method isChoiceAvailable() in my XXXDropDownChoice is implemented using the model and the choices:
public boolean isChoiceAvailable(){
List baseChoicesList = super.getChoices();
Object choiceObject = getModelObject();
return baseChoicesList.contains(choiceObject);
}Thanks for Help,
Daniel
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