/**
    * This file Copyright (c) 2018 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.admincentral.banner;
  
  import info.magnolia.icons.MagnoliaIcons;
  
  import java.util.Objects;
  
  import com.vaadin.shared.ui.ContentMode;
  import com.vaadin.ui.Button;
  import com.vaadin.ui.Component;
  import com.vaadin.ui.ComponentContainer;
  import com.vaadin.ui.CssLayout;
  import com.vaadin.ui.CustomComponent;
  import com.vaadin.ui.Label;
  import com.vaadin.ui.VerticalLayout;
  
  /**
   * Banner component.
   */
  public class Banner extends CustomComponent {
  
      private final CssLayout content;
  
      private final CssLayout buttonsLayout;
  
      public Banner(String id, String styleName, Title title) {
          Objects.requireNonNull(id, "Id must not be null.");
          Objects.requireNonNull(title, "Title must not be empty or null.");
  
          VerticalLayout root = new VerticalLayout();
          setCompositionRoot(root);
  
          root.setId(id);
          root.addStyleNames("banner", styleName);
          root.setSpacing(false);
          root.setMargin(false);
  
          content = new CssLayout();
          content.addStyleName("content");
          content.addComponent(title.asComponent());
  
          Button closeButton = new Button(MagnoliaIcons.CLOSE, clickEvent -> close());
          closeButton.addStyleName("close");
  
          buttonsLayout = new CssLayout();
          buttonsLayout.addStyleName("buttons");
  
          root.addComponents(content, buttonsLayout, closeButton);
      }
  
      void addButton(Button button) {
          buttonsLayout.addComponent(button);
      }
  
      public void display(Body body) {
          Objects.requireNonNull(body, "Body must not be null.");
          content.addComponent(body.asComponent());
      }
  
      public void close() {
          ((ComponentContainer) getParent()).removeComponent(this);
      }
  
      /**
       * Banner Title.
       */
      public static class Title {
 
         private final MagnoliaIcons icon;
         private final String text;
         private boolean allowHtml = false;
 
         public Title(MagnoliaIcons icon, String text) {
             Objects.requireNonNull(icon, "Icon must not be null.");
             Objects.requireNonNull(text, "Text most not be null.");
             this.icon = icon;
             this.text = text;
         }
 
         public void allowHtml(boolean allowHtml) {
             this.allowHtml = allowHtml;
         }
 
         private Component asComponent() {
             Label titleIcon = new Label(icon.getHtml(), ContentMode.HTML);
 
             Label titleText = new Label(text, allowHtml ? ContentMode.HTML : ContentMode.TEXT);
             titleText.setWidth(100, Unit.PERCENTAGE);
 
             CssLayout layout = new CssLayout(titleIcon, titleText);
             layout.addStyleName("title");
 
             return layout;
         }
     }
 
     /**
      * Banner Body.
      */
     public static class Body {
 
         private String text;
         private boolean allowHtml = false;
 
         public Body(String text) {
             Objects.requireNonNull(text, "Text most not be null.");
             this.text = text;
         }
 
         public void allowHtml(boolean allowHtml) {
             this.allowHtml = allowHtml;
         }
 
         private Component asComponent() {
             Label bodyText = new Label(text, allowHtml ? ContentMode.HTML : ContentMode.TEXT);
             bodyText.setWidth(100, Unit.PERCENTAGE);
 
             CssLayout layout = new CssLayout(bodyText);
             layout.addStyleName("body");
 
             return layout;
         }
     }
 }