Re: how to hide the AjaxFallbackButton when the number of Models is larger than a specific integer

[Martin Grigorov]

Hi,



On Jul 21, 2017 11:11 PM, "extraquoo" <extraq...@gmail.com> wrote:

here i have an AjaxFallbackButton to dynamically add  new models of phone
information
My issue is that I want to hide this button if the models are added three
times ( three phone number panels)

here is my code.

final PropertyModel<List&lt;ContactPhone>> contactPhoneList = new
PropertyModel<List&lt;ContactPhone>>(mc216.getSection1(),
"newContactPhone");

                 final PartialUpdateListView<ContactPhone> phoneListView =
new
PartialUpdateListView<ContactPhone>(
                                "newContactPhone", contactPhoneList
,ContactPhone.class){

                        private static final long serialVersionUID = 1L;

                        @Override
                        protected void populateItem(ListItem<ContactPhone>
item) {

                                final FormComponent<?>[] allFields = new
FormComponent[3];

                                allFields[0] = new
ReferenceTableDropDownChoice("contactPhone.type", new
Model<Long>(), new Model<String>(), DOCUMENT_CATEGORY);
                                allFields[1] = new
FormTextField<String>("contactPhone.Number").setRequired(true).add(new
PhoneValidator());
                                allFields[2] = new FormTextField<String>("
contactTime");
                                item.add(allFields);


item.add(getPartialRefreshDeleteButton("delete",
item));
                                item.add(new StyledFeedback("feedback",
item));


                        }
                        @Override
                        public boolean hideAddButton() {


I'm not sure what this method is but if you replace it with

@Override protected void onConfigure () {
  super.onConfigure();

  setVisible (getList().size() > 2);
}

And if you repaont the listview after adding and removing a phone then I
guess it should work.

                                if(contactPhoneList.getObject().size()  >
2     )
                                {
                                //TODO : hide the button
                                return true;
                                }
                                else{
                            return false;
                                }
                        }

                };

                newPhone.add(phoneListView.setReuseItems(true));

                newPhone.add(phoneListView.getPartialRefreshAddButton("
addNewPhone"));
                newPhone.add(phoneListView);
                s1Border.add(newPhone);



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