/**
    * This file Copyright (c) 2011 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.templating.editor.client;
  
  
  import info.magnolia.rendering.template.AreaDefinition;
  import info.magnolia.templating.editor.client.dom.MgnlElement;
  import static info.magnolia.templating.editor.client.jsni.LegacyJavascript.*;
  
  import com.google.gwt.core.client.GWT;
  import com.google.gwt.dom.client.Style.Float;
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.dom.client.ClickHandler;
  
  import com.google.gwt.user.client.ui.Button;
  import com.google.gwt.dom.client.Element;
  
  
  /**
   * Area bar.
   */
  public class AreaBarWidget extends AbstractBarWidget {
  
      private String workspace;
      private String path;
  
      private String name;
      private String availableComponents;
      private String type;
      private String dialog;
      private boolean showAddButton = true;
      private boolean optional = false;
      private boolean created = true;
  
      public AreaBarWidget(MgnlElement mgnlElement, final PageEditor pageEditor) {
          super(mgnlElement);
  
          String content = mgnlElement.getComment().getAttribute("content");
          if (content != null) {
              int i = content.indexOf(':');
  
              this.workspace = content.substring(0, i);
              this.path = content.substring(i + 1);
             }
  
          setVisible(false);
  
          this.name = mgnlElement.getComment().getAttribute("name");
          this.type = mgnlElement.getComment().getAttribute("type");
  
          GWT.log("Area ["+this.name+"] is of type " + this.type);
  
          if(AreaDefinition.TYPE_NO_COMPONENT.equals(this.type)) {
              this.availableComponents = "";
          } else {
              this.availableComponents = mgnlElement.getComment().getAttribute("availableComponents");
          }
  
          this.dialog = mgnlElement.getComment().getAttribute("dialog");
          if (mgnlElement.getComment().hasAttribute("showAddButton")) {
              this.showAddButton = Boolean.parseBoolean(mgnlElement.getComment().getAttribute("showAddButton"));
          }
          if (mgnlElement.getComment().hasAttribute("optional")) {
              this.optional = Boolean.parseBoolean(mgnlElement.getComment().getAttribute("optional"));
              this.created = Boolean.parseBoolean(mgnlElement.getComment().getAttribute("created"));
          }
  
  
         createButtons(pageEditor);
 
         this.addStyleName("area");
     }
 
     public void attach(MgnlElement mgnlElement) {
         Element element = mgnlElement.getFirstElement();
         if (element != null) {
             element.insertFirst(getElement());
         }
         onAttach();
     }
 
     public String getAvailableComponents() {
         return availableComponents;
     }
 
     public String getType() {
         return type;
     }
 
     private void createButtons(final PageEditor pageEditor) {
         if(this.optional) {
             if(!this.created) {
                 Button createButton = new Button(getI18nMessage("buttons.create.js"));
                 createButton.addClickHandler(new ClickHandler() {
                     @Override
                     public void onClick(ClickEvent event) {
                         pageEditor.createComponent(workspace, path, "mgnl:area");
                     }
                 });
                 addButton(createButton, Float.RIGHT);
 
             } else {
                 createEditAndAddComponentButtons(pageEditor);
 
                 Button removeButton = new Button(getI18nMessage("buttons.remove.js"));
                 removeButton.addClickHandler(new ClickHandler() {
                     @Override
                     public void onClick(ClickEvent event) {
                         pageEditor.deleteComponent(path);
                     }
                 });
                 removeButton.addStyleName("mgnlRemoveButton");
                 addButton(removeButton, Float.RIGHT);
             }
         } else {
             createEditAndAddComponentButtons(pageEditor);
         }
     }
 
     private void createEditAndAddComponentButtons(final PageEditor pageEditor) {
         if (this.dialog != null) {
             Button editButton = new Button(getI18nMessage("buttons.edit.js"));
             editButton.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     pageEditor.openDialog(dialog, workspace, path, null, null);
                 }
             });
             addButton(editButton, Float.RIGHT);
         }
 
         if (this.showAddButton) {
             Button addButton = new Button(getI18nMessage("buttons.add.js"));
             addButton.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     if (!AreaDefinition.TYPE_NO_COMPONENT.equals(type)) {
                         pageEditor.addComponent(workspace, path, null, availableComponents);
                     }
                 }
             });
             addButton(addButton, Float.RIGHT);
         }
     }
 
 
 }