package com.temp.client.foundation.widget.input;

import com.google.gwt.user.client.ui.*;
import com.temp.client.foundation.widget.input.fieldsupport.*;
import com.temp.client.foundation.widget.input.support.*;
import com.temp.shared.utils.*;

/**
 * Due to the nature of the way GWT RadioButtons Work, A "Group" (name) must be specified!
 */
public class RadioButtonInputField extends AbstractGeneratedInputField<Boolean, RadioButtonInputField> {
    private static final String STYLE = "field-radioButton";

    private String group;

    public String getGroup() {
        return group;
    }

    public void setGroup( String name ) {
        assertBuildMode( "setGroup" );
        setValidatedGroup( Validate.noEmptyIdentifier( "group", name ) );
    }

    public final RadioButtonInputField group( String name ) {
        assertBuildMode( "group" );
        setValidatedGroup( Validate.noEmptyIdentifier( "group", name ) );
        return inheritanceLeaf();
    }

    protected void setValidatedGroup( String name ) {
        group = name;
    }

    @Override
    protected InputFieldAccessor<Boolean> createBaseAccessor() {
        RadioButton field = new OurRadioButton( Validate.noEmpty( "group", group ) );
        return createBaseAccessor( new RadioButtonValueAdapter( field ), field, STYLE, field );
    }

    private static class OurRadioButton extends RadioButton {

        // For NameToID
        private String name;

        public OurRadioButton( String groupName ) {
            super( groupName );
        }

        @Override
        public String getName() {
            return name;
        }

        @Override
        public void setName( String name ) {
            this.name = name;
        }
    }
}