/**
    * This file Copyright (c) 2011-2014 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.widget.controlbar;
  
  
  import static info.magnolia.templating.editor.client.jsni.JavascriptUtils.getI18nMessage;
  
  import info.magnolia.rendering.template.AreaDefinition;
  import info.magnolia.templating.editor.client.PageEditor;
  import info.magnolia.templating.editor.client.dom.MgnlElement;
  import info.magnolia.templating.elements.AreaElement;
  
  import java.util.Map;
  
  import com.google.gwt.core.client.GWT;
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.dom.client.ClickHandler;
  import com.google.gwt.user.client.ui.PushButton;
  
  
  /**
   * Area bar.
   */
  public class AreaBar extends AbstractBar {
  
      private String workspace;
      private String path;
  
      private String name;
      private String type;
      private String dialog;
      private boolean optional;
      private boolean created;
      private boolean isInherited;
      private boolean editable = true;
  
      public AreaBar(MgnlElement mgnlElement) throws IllegalArgumentException {
          super(mgnlElement);
  
          checkMandatories(mgnlElement.getAttributes());
  
          GWT.log("Area ["+this.name+"] is of type " + this.type);
  
          this.addStyleName("area");
  
          setVisible(false);
          createButtons();
  
          attach();
  
      }
  
      private void createButtons() {
  
          if (this.dialog != null) {
              // do not show edit-icon if the area has not been created
              if (!this.optional || (this.optional && this.created)) {
                  PushButton editButton = new PushButton();
                  editButton.addClickHandler(new ClickHandler() {
                      @Override
                      public void onClick(ClickEvent event) {
                          PageEditor.openDialog(dialog, workspace, path);
                      }
                  });
                  editButton.setTitle(getI18nMessage("buttons.area.edit.js"));
                  editButton.setStylePrimaryName("mgnlEditorPushButton");
                  editButton.addStyleName("edit");
                  addPrimaryButton(editButton);
             }
         }
         if(this.optional) {
             if (this.created) {
                 PushButton removeButton = new PushButton();
                 removeButton.addClickHandler(new ClickHandler() {
                     @Override
                     public void onClick(ClickEvent event) {
                         PageEditor.deleteComponent(path);
                     }
                 });
                 removeButton.setTitle(getI18nMessage("buttons.area.delete.js"));
                 removeButton.setStylePrimaryName("mgnlEditorPushButton");
                 removeButton.addStyleName("remove");
                 addSecondaryButton(removeButton);
             }
             else {
                 PushButton createbutton = new PushButton();
                 createbutton.setStylePrimaryName("mgnlEditorButton");
 
                 createbutton.addClickHandler(new ClickHandler() {
                     @Override
                     public void onClick(ClickEvent event) {
                         PageEditor.createComponent(workspace, path, "mgnl:area");
                     }
                 });
                 createbutton.setTitle(getI18nMessage("buttons.area.add.js"));
                 createbutton.setStylePrimaryName("mgnlEditorPushButton");
                 createbutton.addStyleName("add");
                 addSecondaryButton(createbutton);
             }
         }
 
     }
 
     private void checkMandatories(Map<String, String> attributes) throws IllegalArgumentException {
 
         String content = attributes.get("content");
         if (content != null) {
             int i = content.indexOf(':');
 
             this.workspace = content.substring(0, i);
             this.path = content.substring(i + 1);
         }
 
         this.name = attributes.get("name");
         this.type = attributes.get("type");
 
         this.dialog = attributes.get("dialog");
 
         this.isInherited = getMgnlElement().isInherited();
 
         if (attributes.containsKey("editable")) {
             this.editable = Boolean.parseBoolean(attributes.get("editable"));
         }
 
         String availableComponents = "";
         if(!AreaDefinition.TYPE_NO_COMPONENT.equals(this.type)) {
             availableComponents = attributes.get("availableComponents");
         }
 
         boolean showAddButton = Boolean.parseBoolean(attributes.get(AreaElement.SHOW_ADD_BUTTON));
         boolean showNewComponentArea = Boolean.parseBoolean(attributes.get(AreaElement.SHOW_NEW_COMPONENT_AREA));
 
         this.optional = Boolean.parseBoolean(attributes.get("optional"));
         this.created = Boolean.parseBoolean(attributes.get("created"));
 
         // break no matter what follows
         if (this.isInherited || !this.editable) {
             throw new IllegalArgumentException("Not injecting any Areabar");
         }
 
         // area can be deleted or created
        if (this.optional) {
             return;
         }
 
         else if (this.type.equals(AreaDefinition.TYPE_SINGLE)) {
             return;
         }
 
         // can show add new component area
         else if (showNewComponentArea || (showAddButton && !availableComponents.isEmpty())) {
             return;
         }
 
         // area can be edited
         else if (dialog != null && !dialog.isEmpty()) {
             return;
         }
 
         else {
             throw new IllegalArgumentException("Not injecting any Areabar");
         }
     }
 
 }