/*
    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 </p>
   */
  
  
  package org.wsmostudio.repository.ui.wizards;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  import org.eclipse.core.resources.IContainer;
  import org.eclipse.core.resources.IFile;
  import org.eclipse.core.resources.IProject;
  import org.eclipse.core.resources.IResource;
  import org.eclipse.core.resources.ResourcesPlugin;
  import org.eclipse.core.runtime.CoreException;
  import org.eclipse.jface.wizard.WizardPage;
  import org.eclipse.swt.widgets.Composite;
  
  import org.eclipse.jface.resource.JFaceResources;
  import org.eclipse.jface.viewers.ISelectionChangedListener;
  import org.eclipse.jface.viewers.IStructuredSelection;
  import org.eclipse.jface.viewers.SelectionChangedEvent;
  import org.eclipse.jface.viewers.TreeViewer;
  import org.eclipse.swt.SWT;
  import org.eclipse.swt.graphics.Image;
  import org.eclipse.swt.layout.GridData;
  import org.eclipse.swt.layout.GridLayout;
  import org.eclipse.ui.model.WorkbenchContentProvider;
  import org.eclipse.ui.model.WorkbenchLabelProvider;
  import org.wsmostudio.runtime.WsmoImageRegistry;
  
  /***
   * The main export wizard page. It configures the UI layout and supplies 
   * specific information like labels, title, logo.
   *
   * @author not attributable
   * @version $Revision: 469 $ $Date: 2006-01-09 14:51:14 +0200 $
   */
  
  public class ExportEntitiesWizardPage extends WizardPage {
  
  
      Composite mainPanel;
      private TreeViewer viewer;
         
      public ExportEntitiesWizardPage(IStructuredSelection sel) {
          super("Select WSML resources");
      }
      
      public boolean canFlipToNextPage() {
          return false;
      }
      
      public String getName() {
          return "Import WSMO Resources in Repository";
      }
  
      public boolean isPageComplete() {
          IStructuredSelection sel = (IStructuredSelection)viewer.getSelection();
          for(Iterator it = sel.iterator(); it.hasNext();) {
              Object selObj = it.next(); 
              if (false == selObj instanceof IFile
                      || false == ((IFile)selObj).getName().toLowerCase().endsWith(".wsml")) {
                  return false;
              }
          }
          return true;
      }
  
      public IStructuredSelection getFileSelection() {
          return (IStructuredSelection)viewer.getSelection();
      }
      
      public void createControl(Composite parent) {
          mainPanel = new Composite(parent, SWT.NONE);
          mainPanel.setLayout(new GridLayout(1, false));
          
         viewer = new TreeViewer(mainPanel, SWT.BORDER | SWT.MULTI);
         viewer.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
         viewer.setContentProvider(new WorkbenchContentProvider() {
             public Object[] getChildren(Object o) {
                 if (o instanceof IContainer) {
                     IResource[] members = null;
                     try {
                         members = ((IContainer) o).members();
                     }
                     catch (CoreException e) {
                         return new Object[0];
                     }
                     List<IResource> tempList = new ArrayList<IResource>();
                     for (int i = 0; i < members.length; i++) {
                         if (members[i] instanceof IFile
                                 && false == ((IFile)members[i]).getName().toLowerCase().endsWith(".wsml")) {
                             continue; // ignore all non wsml files
                         }
                         tempList.add(members[i]);
                     }
                     return tempList.toArray();
                 } 
                 else {
                     if (o instanceof ArrayList) {
                         return ((ArrayList) o).toArray();
                     }
                     else {
                         return new Object[0];
                     }
                 }
             }
         });
         viewer.setLabelProvider(WorkbenchLabelProvider.getDecoratingWorkbenchLabelProvider());
 
         List<IProject> input = new ArrayList<IProject>();
         IProject[] projects =
             ResourcesPlugin.getWorkspace().getRoot().getProjects();
         for (int i = 0; i < projects.length; i++) {
             if (projects[i].isOpen())
                 input.add(projects[i]);
         }
         viewer.setInput(input);
         viewer.addSelectionChangedListener(new ISelectionChangedListener() {
             public void selectionChanged(SelectionChangedEvent e) {
                 getWizard().getContainer().updateButtons();
             }
         });
         setControl(mainPanel);
     }
     
     public void dispose() {
         mainPanel.dispose();
         super.dispose();
     }
     
     
     public Image getImage() {
         return JFaceResources.getImageRegistry().get(WsmoImageRegistry.WSMO_LOGO_SMALL); 	
         
     }
 
     public String getMessage() {
         return "Select WSML source file(s) to import in repository";
     }
 }
 
 /*
  * $Log$
  * Revision 1.4  2006/01/09 12:51:11  alex_simov
  * Copyright message in header updated
  *
  * Revision 1.3  2005/09/08 16:46:23  alex_simov
  * Migrating to Java 1.5
  *
  * Revision 1.2  2005/07/21 11:46:32  alex_simov
  * added javadoc: class description, footer
  *
  */