/*
    WSMO Studio - a Semantic Web Service Editor
    Copyright (c) 2004-2006, Ontotext Lab. / SIRMA Group
    
    This library is free software; you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License as published by the Free
    Software Foundation; either version 2.1 of the License, or (at your option)
    any later version.
    This library is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
   details.
   You should have received a copy of the GNU Lesser General Public License along
   with this library; if not, write to the Free Software Foundation, Inc.,
   59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
   */
  
  /***
   * <p>Title: WSMO Studio</p>
   * <p>Description: Semantic Web Service Editor</p>
   * <p>Copyright:  Copyright (c) 2004-2006</p>
   * <p>Company: Ontotext Lab. / SIRMA Group</p>
   */
  
  package org.wsmostudio.choreography.editors;
  
  import java.util.Iterator;
  import java.util.Set;
  
  import org.eclipse.swt.SWT;
  import org.eclipse.swt.custom.SashForm;
  import org.eclipse.swt.layout.GridData;
  import org.eclipse.swt.layout.GridLayout;
  import org.eclipse.swt.widgets.Composite;
  import org.eclipse.ui.IEditorInput;
  import org.eclipse.ui.IEditorSite;
  import org.eclipse.ui.PartInitException;
  import org.wsmo.service.*;
  import org.wsmostudio.choreography.editors.model.ChoreographyModel;
  import org.wsmostudio.ui.editors.WSMOEditor;
  import org.wsmostudio.ui.editors.common.NFPPanel;
  
  /***
   * An editor component, subclass of WSMOEditor, capable to handle with WSMO-API 
   * extensions for Choreography.
   * This editor appears as a part of the WSMO Studio workbench. It is the default
   * editor implementation for this kind of objects and it can be replaced by 
   * extending extension points <code>org.wsmostudio.ui.editors</code> and 
   * <code>org.eclipse.ui.editors</code>.
   *
   * @author not attributable
   * @version $Revision: 1042 $ $Date: 2007-02-13 17:46:57 +0200 $
   */
  
  public class ChoreographyEditor extends WSMOEditor {
  
      public static final String id = "org.wsmostudio.ui.editors.choreographyEditor";
      
      private NFPPanel nfpPanel;
      private ChoreographyModel uiModel;
      
      private StateSignatureEditor sSigPanel;
      private RulesManagementPanel rulesPanel;
      
      public void createPartControl(Composite parent) {
          GridLayout mainLayout = new GridLayout(1, false);
          mainLayout.verticalSpacing = 0;
          parent.setLayout(mainLayout);
          
          nfpPanel = new NFPPanel(parent, uiModel);
          
          SashForm splitter = new SashForm(parent, SWT.VERTICAL );
          splitter.setLayoutData(new GridData(GridData.FILL_BOTH));
          
          sSigPanel = new StateSignatureEditor(uiModel, splitter);
          rulesPanel = new RulesManagementPanel(splitter, uiModel);
          splitter.setWeights(new int[] {3, 5});
      }
      
      public void init(IEditorSite site, IEditorInput input) throws PartInitException {
          super.init(site, input);
          this.uiModel = (ChoreographyModel)input.getAdapter(ChoreographyModel.class);
      }
  
      public void dispose() {
          nfpPanel.dispose();
          sSigPanel.dispose();
          super.dispose();
      }
      
      /***
       * The method is invoked just before SAVE operation. 
       * The internal state of the editor is merged with the wsmo4j model.
       */
      public void modelAboutToSave() throws Exception {
          rulesPanel.updateEditedRule();
      }
  
      protected void updateFromModel() {
         nfpPanel.update();
         sSigPanel.reloadContent();
         rulesPanel.reloadRules();
     }
     
     public boolean isInputEntityDead() {
 
         if (uiModel.getMasterModel().getAdapter(Interface.class) != null) {
 
             Interface iface = (Interface)
                     uiModel.getMasterModel().getAdapter(Interface.class);
             ServiceDescription service = (ServiceDescription)
                     uiModel.getMasterModel().getMasterModel().getAdapter(
                             ServiceDescription.class);
             if (false == service.listInterfaces().contains(iface)) {
                 return true; // the containing interface is removed
             }
             return (iface.getChoreography() != uiModel.getChoreography()
                     && false == uiModel.getChoreography().equals(iface.getChoreography()));
         }
         if (uiModel.getMasterModel().getAdapter(ServiceDescription.class) != null) {
             
             ServiceDescription service = (ServiceDescription)
                     uiModel.getMasterModel().getAdapter(ServiceDescription.class);
             Set ifaces = service.listInterfaces();
             for(Iterator it = ifaces.iterator(); it.hasNext();) {
                 Interface testIface = (Interface)it.next();
                 if (testIface.getChoreography() == uiModel.getChoreography()
                         || uiModel.getChoreography().equals(testIface.getChoreography())) {
                     return false; // for sure there's a link b/w Service and chor
                 }
             }
             return true; // no connection interafce <-> choreography found
         }
         return super.isInputEntityDead();
     }
 
 }
 
 /*
  * $Log$
  * Revision 1.18  2007/02/13 15:46:57  alex_simov
  * bugfix[1312971]: The WSMO Text editor synchronizes the wsmo object
  * model automatically with the other editors (if possible) or issues a warning
  * message otherwise.
  *
  * Revision 1.17  2006/12/20 12:29:11  alex_simov
  * no message
  *
  * Revision 1.16  2006/07/11 15:52:21  alex_simov
  * imports customization
  *
  * Revision 1.15  2006/05/15 11:48:16  alex_simov
  * pre/post save editors content notification model improved
  *
  * Revision 1.14  2006/04/18 07:20:00  alex_simov
  * refactoring: the StateSignature editor extracted as a separate component
  *
  * Revision 1.13  2006/02/17 09:51:38  alex_simov
  * obsolete  check removed in doTryToSave()
  *
  * Revision 1.12  2006/02/03 10:25:31  alex_simov
  * no message
  *
  * Revision 1.11  2006/01/10 13:59:54  alex_simov
  * bugfix: editor rejects choreographies without transiiton rules
  *
  * Revision 1.10  2006/01/09 15:22:29  alex_simov
  * bugfix: current rule editor content update
  *
  * Revision 1.9  2006/01/09 12:51:11  alex_simov
  * Copyright message in header updated
  *
  * Revision 1.8  2005/12/19 15:35:54  alex_simov
  * update
  *
  * Revision 1.7  2005/11/30 15:04:04  alex_simov
  * code refactoring
  *
  * Revision 1.6  2005/11/16 16:21:22  alex_simov
  * choreography editor enriched with rules management support
  *
  * Revision 1.5  2005/11/10 13:33:24  alex_simov
  * UIModels support added
  *
  * Revision 1.4  2005/11/03 13:37:59  alex_simov
  * isDirty() fix
  *
  * Revision 1.3  2005/11/02 14:51:23  alex_simov
  * moving to MVC architecture cont'd
  *
  * Revision 1.2  2005/11/02 08:43:11  alex_simov
  * update
  *
  * Revision 1.1  2005/10/27 11:15:08  alex_simov
  * initial plugin commit
  *
  *
  */