/**

  * Copyright 2010 The Kuali Foundation Licensed under the

  * Educational Community License, Version 2.0 (the "License"); you may

  * not use this file except in compliance with the License. You may

  * obtain a copy of the License at

  *

  * http://www.osedu.org/licenses/ECL-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an "AS IS"

  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express

  * or implied. See the License for the specific language governing

  * permissions and limitations under the License.

  */

 package org.kuali.student.common.ui.client.widgets.rules;

 import com.google.gwt.event.dom.client.ClickEvent;

 import com.google.gwt.event.dom.client.ClickHandler;

 import com.google.gwt.event.shared.HandlerRegistration;

 import com.google.gwt.user.client.ui.Button;

 import com.google.gwt.user.client.ui.HorizontalPanel;

 public class AndOrButton extends HorizontalPanel {

     Button andButton = new Button(" AND ");

     Button orButton = new Button("OR");

     HandlerRegistration andHandlerRegi;

     HandlerRegistration orHandlerRegi;

     public final static int And = 1;

     public final static int Or = 2;

     private int value = And;

     public AndOrButton(){

         super.add(andButton);

         //super.add(andLabel);

         //super.add(orLabel);

         super.add(orButton);

         //andLabel.setStyleName("KS-Rules-Toggle-Label");

         andButton.setStyleName("KS-Rules-Toggle-Button");

         //orLabel.setStyleName("KS-Rules-Toggle-Label");

         orButton.setStyleName("KS-Rules-Toggle-Button");

         update(AndOrButton.And);

         andButton.addClickHandler(new ClickHandler(){

             @Override

             public void onClick(ClickEvent event) {

               update(AndOrButton.Or);

             }

         });

         orButton.addClickHandler(new ClickHandler(){

             @Override

             public void onClick(ClickEvent event) {

               update(AndOrButton.And);

             }

         });       

     }

     public int getValue(){

         return value;

     }

     public void addClickHandler(ClickHandler clickHandler) {

         andHandlerRegi = andButton.addClickHandler(clickHandler);

         orHandlerRegi = orButton.addClickHandler(clickHandler);

     }

     public void removeClickHandler() {

         andHandlerRegi.removeHandler();

         orHandlerRegi.removeHandler();

     }

     public void setValue(int v){

         this.value = v;

         update(this.value);

     }

     private void update(int value){

         this.value = value;

         if(value == And) {

             andButton.setStyleName("KS-Rules-Toggle-Label");

             orButton.setStyleName("KS-Rules-Toggle-Button");

         } else if (value == Or){

             orButton.setStyleName("KS-Rules-Toggle-Label"); 

             andButton.setStyleName("KS-Rules-Toggle-Button");

         }

     }

     public void setEnabled(boolean enabled) {

         andButton.setEnabled(enabled);

         orButton.setEnabled(enabled);

     }

 }