/**

  * 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.buttonlayout;

 import org.kuali.student.common.ui.client.widgets.KSButton;

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

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

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

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

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

 public class ButtonRow extends ButtonLayoutTwoGroups{

     private HorizontalPanel leftPanel = new HorizontalPanel();

     private HorizontalPanel rightPanel = new HorizontalPanel();

     private SimplePanel contentPanel = new SimplePanel();

     private DockPanel mainPanel = new DockPanel();

     private Widget content = null;

     public ButtonRow(){

         setupDefaultStyles();

         mainPanel.add(contentPanel, DockPanel.NORTH);

         mainPanel.add(leftPanel, DockPanel.WEST);

         mainPanel.setHorizontalAlignment(HasAlignment.ALIGN_RIGHT);

         mainPanel.add(rightPanel, DockPanel.EAST);

         this.initWidget(mainPanel);

     }

     public ButtonRow(boolean contentBottom){

         setupDefaultStyles();

         if(contentBottom){

             mainPanel.add(contentPanel, DockPanel.SOUTH);

         }

         else{

             mainPanel.add(contentPanel, DockPanel.NORTH);

         }

         mainPanel.add(leftPanel, DockPanel.WEST);

         mainPanel.setHorizontalAlignment(HasAlignment.ALIGN_RIGHT);

         mainPanel.add(rightPanel, DockPanel.EAST);

         this.initWidget(mainPanel);

     }

     @Override

     protected void onLoad() {

         super.onLoad();

         if(content != null){

             mainPanel.setWidth(content.getOffsetWidth() + "px");

         }

     }

     private void setupDefaultStyles(){

         mainPanel.addStyleName("KS-Button-Row-MainPanel");

         contentPanel.addStyleName("KS-Button-Row-ContentPanel");

     }

     @Override

     public void setContent(Widget w) {

         contentPanel.setWidget(w);

         content = w;

     }

     @Override

     public void addButtonToPrimaryGroup(KSButton button) {

         leftPanel.add(button);

         buttons.add(button);

     }

     @Override

     public void addButtonToSecondaryGroup(KSButton button) {

         rightPanel.add(button);

         buttons.add(button);

     }

     @Override

     public void addButton(KSButton button) {

         this.addButtonToPrimaryGroup(button);

     }

 }