/**
    * 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.templating.editor.client.dom.CMSBoundary;
  
  import com.google.gwt.dom.client.Element;
  import com.google.gwt.dom.client.Node;
  import com.google.gwt.dom.client.Style;
  import com.google.gwt.dom.client.Style.Float;
  
  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.event.dom.client.MouseUpEvent;
  import com.google.gwt.event.dom.client.MouseUpHandler;
  import com.google.gwt.user.client.ui.Button;
  import com.google.gwt.user.client.ui.FlowPanel;
  import com.google.gwt.user.client.ui.InlineLabel;
  import com.google.gwt.user.client.ui.Label;
  
  /**
   * Base class for horizontal bars with buttons.
   */
  public abstract class AbstractBarWidget extends FlowPanel {
  
      private CMSBoundary boundary;
      protected boolean hasControls = false;
      private String label = "";
  
      public AbstractBarWidget(CMSBoundary boundary) {
  
          this.setBoundary(boundary);
          if (boundary != null) {
              this.label = boundary.getComment().getAttribute("label");
              if (label == null || label.isEmpty()) {
                  if (boundary.getParentArea() != null) {
                      this.label = boundary.getParentArea().getComment().getAttribute("label");
                  }
              }
          }
  
          if (this.label != null && !this.label.isEmpty()) {
              Label areaName = new InlineLabel(this.label);
              //tooltip. Nice to have when area label is truncated because too long.
              areaName.setTitle(this.label);
  
              //setStylePrimaryName(..) replaces gwt default css class, in this case gwt-Label
              areaName.setStylePrimaryName("mgnlAreaLabel");
              add(areaName);
          }
          addDomHandler(new MouseOverHandler() {
              @Override
              public void onMouseOver(MouseOverEvent event) {
                  select();
              }
          }, MouseOverEvent.getType());
  
          addDomHandler(new MouseOutHandler() {
              @Override
              public void onMouseOut(MouseOutEvent event) {
                  deSelect();
              }
          }, MouseOutEvent.getType());
     }
 
     /**
      * Called when this bar widget is selected/clicked. Default implementation does nothing.
      */
     protected void select() {
 
         this.addStyleName("selected");
 /*        Document.get().getElementById("mgnlBoundary").getStyle().setTop(boundary.getMinCoordinate().getTop(), Style.Unit.PX);
         Document.get().getElementById("mgnlBoundary").getStyle().setLeft(boundary.getMinCoordinate().getLeft(), Style.Unit.PX);
         Document.get().getElementById("mgnlBoundary").getStyle().setHeight(boundary.getMaxCoordinate().getTop()-boundary.getMinCoordinate().getTop(), Style.Unit.PX);
         Document.get().getElementById("mgnlBoundary").getStyle().setHeight(boundary.getMaxCoordinate().getLeft()-boundary.getMinCoordinate().getLeft(), Style.Unit.PX);*/
     }
 
     protected void deSelect() {
 
         this.removeStyleName("selected");
 
     }
 
     protected void setId(String id){
         getElement().setId(id);
     }
 
     protected void addButton(final Button button, final Float cssFloat) {
         button.setStylePrimaryName("mgnlControlButton");
         button.getElement().getStyle().setFloat(cssFloat);
 
         button.addMouseDownHandler(new MouseDownHandler() {
 
             @Override
             public void onMouseDown(MouseDownEvent event) {
                 //add push button style
                 button.setStyleName("mgnlControlButton_PUSHED", true);
             }
         });
         button.addMouseUpHandler(new MouseUpHandler() {
 
             @Override
             public void onMouseUp(MouseUpEvent event) {
                 //remove push button style
                 button.setStyleName("mgnlControlButton_PUSHED", false);
             }
         });
         add(button);
         hasControls = true;
     }
 
     protected void setClassName(String className) {
         getElement().setClassName(className);
     }
 
     /**
      * @return the element's underlying {@link Style}. You can use this object to manipulate the css style attribute of this bar widget.
      */
     protected Style getStyle() {
         return getElement().getStyle();
     }
 
     public void attach(Element element) {
         final Node parentNode = element.getParentNode();
         parentNode.insertAfter(getElement(), element);
         onAttach();
     }
     public void attach(Node node) {
         final Node parentNode = node.getParentNode();
         parentNode.insertAfter(getElement(), node);
         onAttach();
     }
     public void setBoundary(CMSBoundary boundary) {
         this.boundary = boundary;
     }
 
     public CMSBoundary getBoundary() {
         return boundary;
     }
 }