/**
    * 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.widget.controlbar;
  
  import java.util.Map;
  
  import info.magnolia.templating.editor.client.PageEditor;
  import info.magnolia.templating.editor.client.dom.MgnlElement;
  import info.magnolia.templating.editor.client.widget.dnd.DragAndDrop;
  
  
  
  import com.google.gwt.dom.client.Style.Cursor;
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.dom.client.ClickHandler;
  
  import com.google.gwt.event.dom.client.DragDropEventBase;
  import com.google.gwt.event.dom.client.MouseDownEvent;
  import com.google.gwt.event.dom.client.MouseDownHandler;
  import com.google.gwt.event.dom.client.MouseOutEvent;
  import com.google.gwt.event.dom.client.MouseOutHandler;
  import com.google.gwt.event.dom.client.MouseOverEvent;
  import com.google.gwt.event.dom.client.MouseOverHandler;
  import com.google.gwt.user.client.ui.PushButton;
  
  
  
  
  /**
   * Edit bar.
   */
  public class ComponentBar extends AbstractBar  {
  
      private String workspace;
      private String path;
      private String dialog;
      private String nodeName;
      private boolean isInherited;
      private boolean editable = true;
  
      public ComponentBar(MgnlElement mgnlElement) throws IllegalArgumentException {
  
          super(mgnlElement);
  
          checkMandatories(mgnlElement.getAttributes());
          addStyleName("component");
  
          if(DragDropEventBase.isSupported()) {
              getStyle().setCursor(Cursor.MOVE);
              createButtons(false);
              createDragAndDropHandlers();
          } else {
              createButtons(true);
              createMouseEventsHandlers();
          }
  
          setVisible(false);
          attach();
  
          PageEditor.model.addEditBar(getMgnlElement(), this);
      }
  
      private void checkMandatories(Map<String, String> attributes) {
          String content = attributes.get("content");
          int i = content.indexOf(':');
          this.workspace = content.substring(0, i);
          this.path = content.substring(i + 1);
  
         this.nodeName = path.substring(path.lastIndexOf("/") + 1);
 
         setId("__" + nodeName);
 
         this.dialog = attributes.get("dialog");
 
         this.isInherited = Boolean.parseBoolean(attributes.get("inherited"));
 
         if (attributes.containsKey("editable")) {
             this.editable = Boolean.parseBoolean(attributes.get("editable"));
         }
 
         if (this.isInherited || !this.editable) {
             throw new IllegalArgumentException();
         }
 
     }
 
     public String getNodeName() {
         return nodeName;
     }
 
     public String getPath() {
         return path;
     }
 
     private void createDragAndDropHandlers() {
         DragAndDrop.dragAndDrop(this);
     }
 
     private void createMouseEventsHandlers() {
 
         addDomHandler(new MouseDownHandler() {
 
             @Override
             public void onMouseDown(MouseDownEvent event) {
                 String parentPath = path.substring(0, path.lastIndexOf("/"));
                 PageEditor.moveComponentEnd((ComponentBar)event.getSource(), parentPath);
             }
         }, MouseDownEvent.getType());
 
         addDomHandler(new MouseOverHandler() {
 
             @Override
             public void onMouseOver(MouseOverEvent event) {
                 PageEditor.moveComponentOver((ComponentBar)event.getSource());
 
             }
         }, MouseOverEvent.getType());
 
         addDomHandler(new MouseOutHandler() {
 
             @Override
             public void onMouseOut(MouseOutEvent event) {
                 PageEditor.moveComponentOut((ComponentBar)event.getSource());
             }
         }, MouseOutEvent.getType());
     }
 
     private void createButtons(boolean createMoveButton) {
 
         if (dialog != null && !this.isInherited) {
             final PushButton edit = new PushButton();
             edit.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     PageEditor.openDialog(dialog, workspace, path, null, null);
                 }
             });
             edit.setStylePrimaryName("mgnlEditorPushButton");
             edit.addStyleName("edit");
             addPrimaryButton(edit);
         }
 
         if(createMoveButton && !this.isInherited) {
             final PushButton move = new PushButton();
             move.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     toggleButtons(false);
                     PageEditor.moveComponentStart(nodeName);
                 }
             });
             move.setStylePrimaryName("mgnlEditorPushButton");
             move.addStyleName("move");
             addPrimaryButton(move);
         }
 
         if (!this.isInherited) {
             final PushButton remove = new PushButton();
             remove.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     PageEditor.deleteComponent(path);
                 }
             });
             remove.setStylePrimaryName("mgnlEditorPushButton");
             remove.addStyleName("remove");
 
             addSecondaryButton(remove);
         }
     }
 }