package org.kuali.rice.core.api.uif.control;

 import javax.xml.bind.annotation.XmlAccessType;

 import javax.xml.bind.annotation.XmlAccessorType;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlType;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 /**

  * This control is a group of checkboxes.  Checkboxes can have multiple selected values.

  */

 @XmlAccessorType(XmlAccessType.NONE)

 @XmlType(name = CheckboxGroup.Constants.TYPE_NAME)

 public class CheckboxGroup extends AbstractControl implements CheckboxGroupContract {

     @XmlElement(name = Elements.DEFAULT_VALUES, required = false)

     private final Collection<String> defaultValues;

     @Override

     public Collection<String> getDefaultValues() {

         return Collections.unmodifiableCollection(defaultValues);

     }

     private CheckboxGroup() {

         defaultValues = null;

     }

     private CheckboxGroup(Builder b) {

         super(b);

         defaultValues = b.defaultValues;

     }

     public static final class Builder extends AbstractControl.Builder implements CheckboxGroupContract {

         private Collection<String> defaultValues;

         private Builder(String name) {

             super(name);

         }

         public static Builder create(String name) {

             return new Builder(name);

         }

         public static Builder create(MultiSelectContract contract) {

             Builder b = create(contract.getName());

             partialCreate(contract, b);

             b.setDefaultValues(contract.getDefaultValues());

             return b;

         }

         @Override

         public Collection<String> getDefaultValues() {

             return Collections.unmodifiableCollection(defaultValues);

         }

         public void setDefaultValues(Collection<String> defaultValues) {

             this.defaultValues = new ArrayList<String>(defaultValues);

         }

         @Override

         public CheckboxGroup build() {

             return new CheckboxGroup(this);

         }

     }

     /**

      * Defines some internal constants used on this class.

      */

     static final class Constants {

         static final String TYPE_NAME = "CheckboxGroupType";

     }

     static final class Elements {

         static final String DEFAULT_VALUES = "defaultValues";

     }

 }