the multiple choice list problem

[primer]

Hello everybody,

I want to have a field, named Country, into my form , and the user must select between 3 countries (Spain, Italy, France) !

I want to do that with the multiple choice list (like the font size field into the editor). I don't know how to do it with primefaces cause I am new !

Thanks for helping me !

[primer]

T tried to follow this tuto :

http://www.primefaces.org/showcase-labs ... Column.jsf

I make something like this (in my classBean):

Code: Select all

 static {
         countries = new String[3];
        countries [0] = "France";
        countries [1] = "Italy";
        countries [2] = "Spain";
    }
     
    private final static String[] countries;

and in mypage.xhtml:

Code: Select all

<h:outputLabel  value="Country:" />
            <h:selectOneMenu >
                <f:selectItems value="#{userController.countries}" var="country" itemLabel="#{user}" itemValue="#{user}" />
            </h:selectOneMenu>

When I execute, I got this error:

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value="#{userController.countries}": The class 'jpa.controllers.UserController' does not have the property 'countries'.

What should I do

[Oleg]

Hi,

<h:selectOneMenu> can not be empty without attributes. You should define value="#{....}" for (pre)selected value.

[primer]

OK, I edit it like this:

Code: Select all

<h:selectOneMenu value="#{userController.selectedUser.country}" rendered="#{userController.editMode}">
       <f:selectItems value="#{userController.countries}" var="country" itemLabel="#{user}" itemValue="#{user}" />
</h:selectOneMenu>

The error message had disappeared, but the output of the country field is empty ... I mean I got nothing in front of "Country:" in my page

[fcastlerock]

hmmm....

value="#{userController.countries} , here "countries" refers to an ArrayList.

Then,You should have a method called in any moment which load your ArrayList named "countries"!

Your method "loadArrayListCountries" can be called in the Constrctor of your backBean .


http://www.primefaces.org/showcase/ui/d ... eBasic.jsf

public class UserController{

List countries;

public userController() { //This is the Constrctor of your backBean .

countries= new ArrayList<Countries>();
loadArrayListCountries();
}

private void loadArrayListCountries() {

// get Countries from Database!

}

}


CASTLEROCK