/**
    * This file Copyright (c) 2010-2015 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.ui.vaadin.gwt.client.dialog.connector;
  
  import info.magnolia.ui.vaadin.dialog.BaseDialog;
  import info.magnolia.ui.vaadin.gwt.client.dialog.rpc.DialogServerRpc;
  import info.magnolia.ui.vaadin.gwt.client.dialog.widget.BaseDialogView;
  import info.magnolia.ui.vaadin.gwt.client.dialog.widget.BaseDialogViewImpl;
  
  import com.google.gwt.user.client.ui.Widget;
  import com.vaadin.client.ComponentConnector;
  import com.vaadin.client.ConnectorHierarchyChangeEvent;
  import com.vaadin.client.communication.RpcProxy;
  import com.vaadin.client.communication.StateChangeEvent;
  import com.vaadin.client.communication.StateChangeEvent.StateChangeHandler;
  import com.vaadin.client.ui.AbstractLayoutConnector;
  import com.vaadin.shared.ui.Connect;
  
  /**
   * BaseDialogConnector.
   */
  @Connect(BaseDialog.class)
  public class BaseDialogConnector extends AbstractLayoutConnector implements BaseDialogView.Presenter {
  
      private final DialogServerRpc rpc = RpcProxy.create(DialogServerRpc.class, this);
  
      protected BaseDialogView createView() {
          return new BaseDialogViewImpl();
      }
  
      private BaseDialogView view;
  
      @Override
      protected void init() {
          super.init();
          addStateChangeHandler("caption", new StateChangeHandler() {
              @Override
              public void onStateChanged(StateChangeEvent stateChangeEvent) {
                  view.setCaption(getState().caption);
              }
          });
  
          addStateChangeHandler("hasCloseButton", new StateChangeHandler() {
              @Override
              public void onStateChanged(StateChangeEvent stateChangeEvent) {
                  if (getState().hasCloseButton) {
                      view.showCloseButton();
                  }
              }
          });
  
          addStateChangeHandler("isWide", new StateChangeHandler() {
              @Override
              public void onStateChanged(StateChangeEvent stateChangeEvent) {
                  view.setWide(getState().isWide);
              }
          });
  
          addStateChangeHandler("componentDescription", new StateChangeHandler() {
              @Override
              public void onStateChanged(StateChangeEvent stateChangeEvent) {
                  view.setDescription(getState().componentDescription);
              }
          });
      }
  
      @Override
      protected BaseDialogState createState() {
         return new BaseDialogState();
     }
 
     @Override
     public BaseDialogState getState() {
         return (BaseDialogState) super.getState();
     }
 
     @Override
     public void updateCaption(ComponentConnector connector) {
         if (this == connector) {
             view.setCaption(connector.getState().caption);
         }
     }
 
     @Override
     public void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent connectorHierarchyChangeEvent) {
         updateContent();
         updateHeaderToolbar();
         updateFooterToolbar();
     }
 
     @Override
     public boolean delegateCaptionHandling() {
         return false;
     }
 
     protected ComponentConnector getContent() {
         return (ComponentConnector) getState().content;
     }
 
     protected ComponentConnector getHeader() {
         return (ComponentConnector) getState().headerToolbar;
     }
 
     protected ComponentConnector getFooter() {
         return (ComponentConnector) getState().footerToolbar;
     }
 
     protected void updateContent() {
         final ComponentConnector content = getContent();
         if (content != null) {
             this.view.setContent(content.getWidget());
         }
     }
 
     protected void updateHeaderToolbar() {
         final ComponentConnector header = getHeader();
         if (header != null) {
             this.view.setHeaderToolbar(header.getWidget());
         }
     }
 
     protected void updateFooterToolbar() {
         final ComponentConnector footer = getFooter();
         if (footer != null) {
             this.view.setFooterToolbar(footer.getWidget());
         }
     }
 
     @Override
     protected Widget createWidget() {
         this.view = createView();
         this.view.setPresenter(this);
         return view.asWidget();
     }
 
     // RPC methods to communicate back to the server.
 
     @Override
     public void closeDialog() {
         rpc.closeSelf();
     }
 
     @Override
     public void setWide(boolean isWide) {
         rpc.setWide(isWide);
     }
 
     @Override
     public void setDescriptionVisibility(boolean isVisible) {
         rpc.setDescriptionVisibility(isVisible);
     }
 }