/**
    * 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 info.magnolia.templating.editor.client.PageEditor;
  import info.magnolia.templating.editor.client.dom.MgnlElement;
  import static info.magnolia.templating.editor.client.jsni.JavascriptUtils.*;
  
  import com.google.gwt.dom.client.Element;
  import com.google.gwt.dom.client.Style.Cursor;
  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.event.dom.client.DragStartEvent;
  
  import com.google.gwt.event.dom.client.DragEndEvent;
  import com.google.gwt.event.dom.client.DragEndHandler;
  import com.google.gwt.event.dom.client.DragOverEvent;
  import com.google.gwt.event.dom.client.DragOverHandler;
  import com.google.gwt.event.dom.client.DragStartHandler;
  import com.google.gwt.event.dom.client.DropEvent;
  import com.google.gwt.event.dom.client.DropHandler;
  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.Button;
  
  
  /**
   * Edit bar.
   */
  public class ComponentBar extends AbstractBar {
  
      private String workspace;
      private String path;
      private String dialog;
      private String id;
      private String parentAreaType;
      private boolean isInherited;
  
      public ComponentBar(MgnlElement mgnlElement) {
  
          super(mgnlElement);
  
          if(mgnlElement.getParentArea() != null) {
  
              MgnlElement area = mgnlElement.getParentArea();
              String content = mgnlElement.getComment().getAttribute("content");
              int i = content.indexOf(':');
              this.workspace = content.substring(0, i);
              this.path = content.substring(i + 1);
  
              this.id = path.substring(path.lastIndexOf("/") + 1);
  
              setId("__"+id);
  
              this.dialog = mgnlElement.getComment().getAttribute("dialog");
  
              this.parentAreaType = area.getComment().getAttribute("type");
          }
          this.isInherited = Boolean.parseBoolean(mgnlElement.getComment().getAttribute("inherited"));
  
          addStyleName("component");
          if (isInherited) {
              addStyleName("mgnlInherited");
         }
         else {
             createButtons();
             createMouseEventsHandlers();
         }
 
         setVisible(false);
         attach();
         PageEditor.model.addEditBar(getMgnlElement(), this);
 
         if (!this.isInherited) {
             createDragAndDropHandlers();
         }
     }
 
     private void createDragAndDropHandlers() {
         this.addDomHandler(new DragStartHandler() {
             @Override
             public void onDragStart(DragStartEvent event) {
                 ComponentBar.this.getElement().getStyle().setCursor(Cursor.MOVE);
                 toggleButtons(false);
                 event.setData("id", id);
                 event.getDataTransfer().setDragImage(getElement(), 10, 10);
             }
         }, DragStartEvent.getType());
 
         this.addDomHandler(new DragEndHandler() {
             @Override
             public void onDragEnd(DragEndEvent event) {
                 toggleButtons(true);
             }
         }, DragEndEvent.getType());
 
         this.addDomHandler(new DragOverHandler() {
             @Override
             public void onDragOver(DragOverEvent event) {
                 event.stopPropagation();
             }
         }, DragOverEvent.getType());
 
 
         this.addDomHandler(new DropHandler() {
             @Override
             public void onDrop(DropEvent event) {
                 String idSource = event.getData("id");
                 String parentPath = path.substring(0, path.lastIndexOf("/"));
                 moveComponent(id, idSource, parentPath);
                 //PageEditor.moveComponentEnd((ComponentBar)event.getSource(), parentPath);
             }
         }, DropEvent.getType());
 
         this.getElement().setDraggable(Element.DRAGGABLE_TRUE);
     }
 
     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() {
 
         if (dialog != null && !this.isInherited) {
             final Button edit = new Button(getI18nMessage("buttons.edit.js"));
             edit.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     PageEditor.openDialog(dialog, workspace, path, null, null);
 
                 }
             });
             addPrimaryButton(edit, Float.RIGHT);
         }
 
         //single area component obviously cannot be moved
 /*        if(AreaDefinition.TYPE_LIST.equals(parentAreaType)) {
             final Button move = new Button(getI18nMessage("buttons.move.js"));
             move.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     toggleButtons(false);
                     PageEditor.moveComponentStart(id);
                 }
             });
             addPrimaryButton(move, Float.RIGHT);
         }*/
 
         if (!this.isInherited) {
             final Button removeButton = new Button(getI18nMessage("buttons.delete.js"));
             removeButton.addClickHandler(new ClickHandler() {
                 @Override
                 public void onClick(ClickEvent event) {
                     PageEditor.deleteComponent(path);
                 }
             });
             addSecondaryButton(removeButton, Float.RIGHT);
         }
     }
 
 
 }