Is SWT Builder compatible with EMF plugin

SWT Designer allows you to create the views, editors, perspectives, pref pages, composites, etc. that comprise Eclipse SWT & RCP applications and plug-ins.

Moderators: Konstantin.Scheglov, gnebling, Alexander.Mitin, jwren, Eric Clayberg

Is SWT Builder compatible with EMF plugin

Postby hyshyshys » Thu Jul 03, 2008 12:33 pm

Hi,

I made some tests to verify if the generated editor of the EMF, GEF, GMF plugins are compatible with the SWT Builder product and I didn't success to visualize editor with SWT Builder.

1- Is there a way to do this?
2- Are plugins/products are compatible?
3- Is there example on how to do this?

Any help will be appreciate.

Regards

Vincent
hyshyshys
 
Posts: 37
Joined: Thu Jul 03, 2008 12:27 pm

Re: Is SWT Builder compatible with EMF plugin

Postby Eric Clayberg » Thu Jul 03, 2008 2:09 pm

hyshyshys wrote:I made some tests to verify if the generated editor of the EMF, GEF, GMF plugins are compatible with the SWT Builder product and I didn't success to visualize editor with SWT Builder.
1- Is there a way to do this?
2- Are plugins/products are compatible?
3- Is there example on how to do this?

I don't know anything about what their generated code looks like, so it would be helpful, if you posted an example.
Eric Clayberg
Software Engineering Manager
Google
http://code.google.com/webtoolkit/download.html

Author: "Eclipse Plug-ins"
http://www.qualityeclipse.com
Eric Clayberg
Moderator
 
Posts: 4503
Joined: Tue Sep 30, 2003 6:39 am
Location: Boston, MA USA

Re: Is SWT Builder compatible with EMF plugin

Postby hyshyshys » Fri Jul 04, 2008 2:28 am

Dear M. Clayberg,

Here is the code of the generated EMF editor.

This editor displays an EMF model in a tree view and enhances basic Eclipse capabilities like property view and Outline view. Note also that the editor extends MultiPageEditorPart

Thanks for your help.

Vincent


Code: Select all
/**
* <copyright>
* </copyright>
*
* $Id$
*/
package TomTom.presentation;


import java.io.IOException;
import java.io.InputStream;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.EventObject;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.ResourcesPlugin;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;

import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;

import org.eclipse.swt.SWT;

import org.eclipse.swt.custom.CTabFolder;

import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.Transfer;

import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;

import org.eclipse.swt.graphics.Point;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Tree;

import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PartInitException;

import org.eclipse.ui.dialogs.SaveAsDialog;

import org.eclipse.ui.ide.IGotoMarker;

import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.MultiPageEditorPart;

import org.eclipse.ui.views.contentoutline.ContentOutline;
import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
import org.eclipse.ui.views.contentoutline.IContentOutlinePage;

import org.eclipse.ui.views.properties.IPropertySheetPage;
import org.eclipse.ui.views.properties.PropertySheet;
import org.eclipse.ui.views.properties.PropertySheetPage;

import org.eclipse.emf.common.command.BasicCommandStack;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.CommandStack;
import org.eclipse.emf.common.command.CommandStackListener;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.common.ui.MarkerHelper;

import org.eclipse.emf.common.ui.editor.ProblemEditorPart;

import org.eclipse.emf.common.ui.viewer.IViewerProvider;

import org.eclipse.emf.common.util.BasicDiagnostic;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.emf.common.util.URI;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EValidator;

import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;

import org.eclipse.emf.ecore.util.EContentAdapter;
import org.eclipse.emf.ecore.util.EcoreUtil;

import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.domain.IEditingDomainProvider;

import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;

import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory;

import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;

import org.eclipse.emf.edit.ui.celleditor.AdapterFactoryTreeEditor;

import org.eclipse.emf.edit.ui.dnd.EditingDomainViewerDropAdapter;
import org.eclipse.emf.edit.ui.dnd.LocalTransfer;
import org.eclipse.emf.edit.ui.dnd.ViewerDragAdapter;

import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.emf.edit.ui.provider.UnwrappingSelectionProvider;

import org.eclipse.emf.edit.ui.util.EditUIMarkerHelper;
import org.eclipse.emf.edit.ui.util.EditUIUtil;

import org.eclipse.emf.edit.ui.view.ExtendedPropertySheetPage;

import TomTom.provider.TomTomItemProviderAdapterFactory;

import org.eclipse.ui.actions.WorkspaceModifyOperation;


/**
* This is an example of a TomTom model editor.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public class TomTomEditor
   extends MultiPageEditorPart
   implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker {
   /**
    * This keeps track of the editing domain that is used to track all changes to the model.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected AdapterFactoryEditingDomain editingDomain;

   /**
    * This is the one adapter factory used for providing views of the model.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected ComposedAdapterFactory adapterFactory;

   /**
    * This is the content outline page.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected IContentOutlinePage contentOutlinePage;

   /**
    * This is a kludge...
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected IStatusLineManager contentOutlineStatusLineManager;

   /**
    * This is the content outline page's viewer.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected TreeViewer contentOutlineViewer;

   /**
    * This is the property sheet page.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected PropertySheetPage propertySheetPage;

   /**
    * This is the viewer that shadows the selection in the content outline.
    * The parent relation must be correctly defined for this to work.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected TreeViewer selectionViewer;

   /**
    * This keeps track of the active content viewer, which may be either one of the viewers in the pages or the content outline viewer.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected Viewer currentViewer;

   /**
    * This listens to which ever viewer is active.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected ISelectionChangedListener selectionChangedListener;

   /**
    * This keeps track of all the {@link org.eclipse.jface.viewers.ISelectionChangedListener}s that are listening to this editor.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected Collection<ISelectionChangedListener> selectionChangedListeners = new ArrayList<ISelectionChangedListener>();

   /**
    * This keeps track of the selection of the editor as a whole.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected ISelection editorSelection = StructuredSelection.EMPTY;

   /**
    * The MarkerHelper is responsible for creating workspace resource markers presented
    * in Eclipse's Problems View.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected MarkerHelper markerHelper = new EditUIMarkerHelper();

   /**
    * This listens for when the outline becomes active
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected IPartListener partListener =
      new IPartListener() {
         public void partActivated(IWorkbenchPart p) {
            if (p instanceof ContentOutline) {
               if (((ContentOutline)p).getCurrentPage() == contentOutlinePage) {
                  getActionBarContributor().setActiveEditor(TomTomEditor.this);

                  setCurrentViewer(contentOutlineViewer);
               }
            }
            else if (p instanceof PropertySheet) {
               if (((PropertySheet)p).getCurrentPage() == propertySheetPage) {
                  getActionBarContributor().setActiveEditor(TomTomEditor.this);
                  handleActivate();
               }
            }
            else if (p == TomTomEditor.this) {
               handleActivate();
            }
         }
         public void partBroughtToTop(IWorkbenchPart p) {
            // Ignore.
         }
         public void partClosed(IWorkbenchPart p) {
            // Ignore.
         }
         public void partDeactivated(IWorkbenchPart p) {
            // Ignore.
         }
         public void partOpened(IWorkbenchPart p) {
            // Ignore.
         }
      };

   /**
    * Resources that have been removed since last activation.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected Collection<Resource> removedResources = new ArrayList<Resource>();

   /**
    * Resources that have been changed since last activation.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected Collection<Resource> changedResources = new ArrayList<Resource>();

   /**
    * Resources that have been saved.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected Collection<Resource> savedResources = new ArrayList<Resource>();

   /**
    * Map to store the diagnostic associated with a resource.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected Map<Resource, Diagnostic> resourceToDiagnosticMap = new LinkedHashMap<Resource, Diagnostic>();

   /**
    * Controls whether the problem indication should be updated.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected boolean updateProblemIndication = true;

   /**
    * Adapter used to update the problem indication when resources are demanded loaded.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected EContentAdapter problemIndicationAdapter =
      new EContentAdapter() {
         @Override
         public void notifyChanged(Notification notification) {
            if (notification.getNotifier() instanceof Resource) {
               switch (notification.getFeatureID(Resource.class)) {
                  case Resource.RESOURCE__IS_LOADED:
                  case Resource.RESOURCE__ERRORS:
                  case Resource.RESOURCE__WARNINGS: {
                     Resource resource = (Resource)notification.getNotifier();
                     Diagnostic diagnostic = analyzeResourceProblems(resource, null);
                     if (diagnostic.getSeverity() != Diagnostic.OK) {
                        resourceToDiagnosticMap.put(resource, diagnostic);
                     }
                     else {
                        resourceToDiagnosticMap.remove(resource);
                     }

                     if (updateProblemIndication) {
                        getSite().getShell().getDisplay().asyncExec
                           (new Runnable() {
                               public void run() {
                                  updateProblemIndication();
                               }
                            });
                     }
                     break;
                  }
               }
            }
            else {
               super.notifyChanged(notification);
            }
         }

         @Override
         protected void setTarget(Resource target) {
            basicSetTarget(target);
         }

         @Override
         protected void unsetTarget(Resource target) {
            basicUnsetTarget(target);
         }
      };

   /**
    * This listens for workspace changes.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected IResourceChangeListener resourceChangeListener =
      new IResourceChangeListener() {
         public void resourceChanged(IResourceChangeEvent event) {
            // Only listening to these.
            // if (event.getType() == IResourceDelta.POST_CHANGE)
            {
               IResourceDelta delta = event.getDelta();
               try {
                  class ResourceDeltaVisitor implements IResourceDeltaVisitor {
                     protected ResourceSet resourceSet = editingDomain.getResourceSet();
                     protected Collection<Resource> changedResources = new ArrayList<Resource>();
                     protected Collection<Resource> removedResources = new ArrayList<Resource>();

                     public boolean visit(IResourceDelta delta) {
                        if (delta.getFlags() != IResourceDelta.MARKERS &&
                            delta.getResource().getType() == IResource.FILE) {
                           if ((delta.getKind() & (IResourceDelta.CHANGED | IResourceDelta.REMOVED)) != 0) {
                              Resource resource = resourceSet.getResource(URI.createURI(delta.getFullPath().toString()), false);
                              if (resource != null) {
                                 if ((delta.getKind() & IResourceDelta.REMOVED) != 0) {
                                    removedResources.add(resource);
                                 }
                                 else if (!savedResources.remove(resource)) {
                                    changedResources.add(resource);
                                 }
                              }
                           }
                        }

                        return true;
                     }

                     public Collection<Resource> getChangedResources() {
                        return changedResources;
                     }

                     public Collection<Resource> getRemovedResources() {
                        return removedResources;
                     }
                  }

                  ResourceDeltaVisitor visitor = new ResourceDeltaVisitor();
                  delta.accept(visitor);

                  if (!visitor.getRemovedResources().isEmpty()) {
                     removedResources.addAll(visitor.getRemovedResources());
                     if (!isDirty()) {
                        getSite().getShell().getDisplay().asyncExec
                           (new Runnable() {
                               public void run() {
                                  getSite().getPage().closeEditor(TomTomEditor.this, false);
                                  TomTomEditor.this.dispose();
                               }
                            });
                     }
                  }

                  if (!visitor.getChangedResources().isEmpty()) {
                     changedResources.addAll(visitor.getChangedResources());
                     if (getSite().getPage().getActiveEditor() == TomTomEditor.this) {
                        getSite().getShell().getDisplay().asyncExec
                           (new Runnable() {
                               public void run() {
                                  handleActivate();
                               }
                            });
                     }
                  }
               }
               catch (CoreException exception) {
                  MyEditorPlugin.INSTANCE.log(exception);
               }
            }
         }
      };

   /**
    * Handles activation of the editor or it's associated views.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void handleActivate() {
      // Recompute the read only state.
      //
      if (editingDomain.getResourceToReadOnlyMap() != null) {
        editingDomain.getResourceToReadOnlyMap().clear();

        // Refresh any actions that may become enabled or disabled.
        //
        setSelection(getSelection());
      }

      if (!removedResources.isEmpty()) {
         if (handleDirtyConflict()) {
            getSite().getPage().closeEditor(TomTomEditor.this, false);
            TomTomEditor.this.dispose();
         }
         else {
            removedResources.clear();
            changedResources.clear();
            savedResources.clear();
         }
      }
      else if (!changedResources.isEmpty()) {
         changedResources.removeAll(savedResources);
         handleChangedResources();
         changedResources.clear();
         savedResources.clear();
      }
   }

   /**
    * Handles what to do with changed resources on activation.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void handleChangedResources() {
      if (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) {
         editingDomain.getCommandStack().flush();

         updateProblemIndication = false;
         for (Resource resource : changedResources) {
            if (resource.isLoaded()) {
               resource.unload();
               try {
                  resource.load(Collections.EMPTY_MAP);
               }
               catch (IOException exception) {
                  if (!resourceToDiagnosticMap.containsKey(resource)) {
                     resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
                  }
               }
            }
         }
         updateProblemIndication = true;
         updateProblemIndication();
      }
   }
 
   /**
    * Updates the problems indication with the information described in the specified diagnostic.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void updateProblemIndication() {
      if (updateProblemIndication) {
         BasicDiagnostic diagnostic =
            new BasicDiagnostic
               (Diagnostic.OK,
                "TomTom.editor",
                0,
                null,
                new Object [] { editingDomain.getResourceSet() });
         for (Diagnostic childDiagnostic : resourceToDiagnosticMap.values()) {
            if (childDiagnostic.getSeverity() != Diagnostic.OK) {
               diagnostic.add(childDiagnostic);
            }
         }

         int lastEditorPage = getPageCount() - 1;
         if (lastEditorPage >= 0 && getEditor(lastEditorPage) instanceof ProblemEditorPart) {
            ((ProblemEditorPart)getEditor(lastEditorPage)).setDiagnostic(diagnostic);
            if (diagnostic.getSeverity() != Diagnostic.OK) {
               setActivePage(lastEditorPage);
            }
         }
         else if (diagnostic.getSeverity() != Diagnostic.OK) {
            ProblemEditorPart problemEditorPart = new ProblemEditorPart();
            problemEditorPart.setDiagnostic(diagnostic);
            problemEditorPart.setMarkerHelper(markerHelper);
            try {
               addPage(++lastEditorPage, problemEditorPart, getEditorInput());
               setPageText(lastEditorPage, problemEditorPart.getPartName());
               setActivePage(lastEditorPage);
               showTabs();
            }
            catch (PartInitException exception) {
               MyEditorPlugin.INSTANCE.log(exception);
            }
         }

         if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
            markerHelper.deleteMarkers(editingDomain.getResourceSet());
            if (diagnostic.getSeverity() != Diagnostic.OK) {
               try {
                  markerHelper.createMarkers(diagnostic);
               }
               catch (CoreException exception) {
                  MyEditorPlugin.INSTANCE.log(exception);
               }
            }
         }
      }
   }

   /**
    * Shows a dialog that asks if conflicting changes should be discarded.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected boolean handleDirtyConflict() {
      return
         MessageDialog.openQuestion
            (getSite().getShell(),
             getString("_UI_FileConflict_label"),
             getString("_WARN_FileConflict"));
   }

   /**
    * This creates a model editor.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public TomTomEditor() {
      super();
      initializeEditingDomain();
   }

   /**
    * This sets up the editing domain for the model editor.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void initializeEditingDomain() {
      // Create an adapter factory that yields item providers.
      //
      adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);

      adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory());
      adapterFactory.addAdapterFactory(new TomTomItemProviderAdapterFactory());
      adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory());

      // Create the command stack that will notify this editor as commands are executed.
      //
      BasicCommandStack commandStack = new BasicCommandStack();

      // Add a listener to set the most recent command's affected objects to be the selection of the viewer with focus.
      //
      commandStack.addCommandStackListener
         (new CommandStackListener() {
             public void commandStackChanged(final EventObject event) {
                getContainer().getDisplay().asyncExec
                   (new Runnable() {
                       public void run() {
                          firePropertyChange(IEditorPart.PROP_DIRTY);

                          // Try to select the affected objects.
                          //
                          Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
                          if (mostRecentCommand != null) {
                             setSelectionToViewer(mostRecentCommand.getAffectedObjects());
                          }
                          if (propertySheetPage != null && !propertySheetPage.getControl().isDisposed()) {
                             propertySheetPage.refresh();
                          }
                       }
                    });
             }
          });

      // Create the editing domain with a special command stack.
      //
      editingDomain = new AdapterFactoryEditingDomain(adapterFactory, commandStack, new HashMap<Resource, Boolean>());
   }

   /**
    * This is here for the listener to be able to call it.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
         @Override
   protected void firePropertyChange(int action) {
      super.firePropertyChange(action);
   }

   /**
    * This sets the selection into whichever viewer is active.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setSelectionToViewer(Collection<?> collection) {
      final Collection<?> theSelection = collection;
      // Make sure it's okay.
      //
      if (theSelection != null && !theSelection.isEmpty()) {
         // I don't know if this should be run this deferred
         // because we might have to give the editor a chance to process the viewer update events
         // and hence to update the views first.
         //
         //
         Runnable runnable =
            new Runnable() {
               public void run() {
                  // Try to select the items in the current content viewer of the editor.
                  //
                  if (currentViewer != null) {
                     currentViewer.setSelection(new StructuredSelection(theSelection.toArray()), true);
                  }
               }
            };
         runnable.run();
      }
   }

   /**
    * This returns the editing domain as required by the {@link IEditingDomainProvider} interface.
    * This is important for implementing the static methods of {@link AdapterFactoryEditingDomain}
    * and for supporting {@link org.eclipse.emf.edit.ui.action.CommandAction}.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public EditingDomain getEditingDomain() {
      return editingDomain;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public class ReverseAdapterFactoryContentProvider extends AdapterFactoryContentProvider {
      /**
       * <!-- begin-user-doc -->
       * <!-- end-user-doc -->
       * @generated
       */
      public ReverseAdapterFactoryContentProvider(AdapterFactory adapterFactory) {
         super(adapterFactory);
      }

      /**
       * <!-- begin-user-doc -->
       * <!-- end-user-doc -->
       * @generated
       */
      @Override
      public Object [] getElements(Object object) {
         Object parent = super.getParent(object);
         return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
      }

      /**
       * <!-- begin-user-doc -->
       * <!-- end-user-doc -->
       * @generated
       */
      @Override
      public Object [] getChildren(Object object) {
         Object parent = super.getParent(object);
         return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
      }

      /**
       * <!-- begin-user-doc -->
       * <!-- end-user-doc -->
       * @generated
       */
      @Override
      public boolean hasChildren(Object object) {
         Object parent = super.getParent(object);
         return parent != null;
      }

      /**
       * <!-- begin-user-doc -->
       * <!-- end-user-doc -->
       * @generated
       */
      @Override
      public Object getParent(Object object) {
         return null;
      }
   }

   /**
    * This makes sure that one content viewer, either for the current page or the outline view, if it has focus,
    * is the current one.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setCurrentViewer(Viewer viewer) {
      // If it is changing...
      //
      if (currentViewer != viewer) {
         if (selectionChangedListener == null) {
            // Create the listener on demand.
            //
            selectionChangedListener =
               new ISelectionChangedListener() {
                  // This just notifies those things that are affected by the section.
                  //
                  public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
                     setSelection(selectionChangedEvent.getSelection());
                  }
               };
         }

         // Stop listening to the old one.
         //
         if (currentViewer != null) {
            currentViewer.removeSelectionChangedListener(selectionChangedListener);
         }

         // Start listening to the new one.
         //
         if (viewer != null) {
            viewer.addSelectionChangedListener(selectionChangedListener);
         }

         // Remember it.
         //
         currentViewer = viewer;

         // Set the editors selection based on the current viewer's selection.
         //
         setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
      }
   }

   /**
    * This returns the viewer as required by the {@link IViewerProvider} interface.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public Viewer getViewer() {
      return currentViewer;
   }

   /**
    * This creates a context menu for the viewer and adds a listener as well registering the menu for extension.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void createContextMenuFor(StructuredViewer viewer) {
      MenuManager contextMenu = new MenuManager("#PopUp");
      contextMenu.add(new Separator("additions"));
      contextMenu.setRemoveAllWhenShown(true);
      contextMenu.addMenuListener(this);
      Menu menu= contextMenu.createContextMenu(viewer.getControl());
      viewer.getControl().setMenu(menu);
      getSite().registerContextMenu(contextMenu, new UnwrappingSelectionProvider(viewer));

      int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
      Transfer[] transfers = new Transfer[] { LocalTransfer.getInstance() };
      viewer.addDragSupport(dndOperations, transfers, new ViewerDragAdapter(viewer));
      viewer.addDropSupport(dndOperations, transfers, new EditingDomainViewerDropAdapter(editingDomain, viewer));
   }

   /**
    * This is the method called to load a resource into the editing domain's resource set based on the editor's input.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void createModel() {
      URI resourceURI = EditUIUtil.getURI(getEditorInput());
      Exception exception = null;
      Resource resource = null;
      try {
         // Load the resource through the editing domain.
         //
         resource = editingDomain.getResourceSet().getResource(resourceURI, true);
      }
      catch (Exception e) {
         exception = e;
         resource = editingDomain.getResourceSet().getResource(resourceURI, false);
      }

      Diagnostic diagnostic = analyzeResourceProblems(resource, exception);
      if (diagnostic.getSeverity() != Diagnostic.OK) {
         resourceToDiagnosticMap.put(resource,  analyzeResourceProblems(resource, exception));
      }
      editingDomain.getResourceSet().eAdapters().add(problemIndicationAdapter);
   }

   /**
    * Returns a diagnostic describing the errors and warnings listed in the resource
    * and the specified exception (if any).
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public Diagnostic analyzeResourceProblems(Resource resource, Exception exception) {
      if (!resource.getErrors().isEmpty() || !resource.getWarnings().isEmpty()) {
         BasicDiagnostic basicDiagnostic =
            new BasicDiagnostic
               (Diagnostic.ERROR,
                "TomTom.editor",
                0,
                getString("_UI_CreateModelError_message", resource.getURI()),
                new Object [] { exception == null ? (Object)resource : exception });
         basicDiagnostic.merge(EcoreUtil.computeDiagnostic(resource, true));
         return basicDiagnostic;
      }
      else if (exception != null) {
         return
            new BasicDiagnostic
               (Diagnostic.ERROR,
                "TomTom.editor",
                0,
                getString("_UI_CreateModelError_message", resource.getURI()),
                new Object[] { exception });
      }
      else {
         return Diagnostic.OK_INSTANCE;
      }
   }

   /**
    * This is the method used by the framework to install your own controls.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public void createPages() {
      // Creates the model from the editor input
      //
      createModel();

      // Only creates the other pages if there is something that can be edited
      //
      if (!getEditingDomain().getResourceSet().getResources().isEmpty() &&
          !(getEditingDomain().getResourceSet().getResources().get(0)).getContents().isEmpty()) {
         // Create a page for the selection tree view.
         //
         Tree tree = new Tree(getContainer(), SWT.MULTI);
         selectionViewer = new TreeViewer(tree);
         setCurrentViewer(selectionViewer);

         selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
         selectionViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
         selectionViewer.setInput(editingDomain.getResourceSet());
         selectionViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);

         new AdapterFactoryTreeEditor(selectionViewer.getTree(), adapterFactory);

         createContextMenuFor(selectionViewer);
         int pageIndex = addPage(tree);
         setPageText(pageIndex, getString("_UI_SelectionPage_label"));

         getSite().getShell().getDisplay().asyncExec
            (new Runnable() {
                public void run() {
                   setActivePage(0);
                }
             });
      }

      // Ensures that this editor will only display the page's tab
      // area if there are more than one page
      //
      getContainer().addControlListener
         (new ControlAdapter() {
            boolean guard = false;
            @Override
            public void controlResized(ControlEvent event) {
               if (!guard) {
                  guard = true;
                  hideTabs();
                  guard = false;
               }
            }
          });

      getSite().getShell().getDisplay().asyncExec
         (new Runnable() {
             public void run() {
                updateProblemIndication();
             }
          });
   }

   /**
    * If there is just one page in the multi-page editor part,
    * this hides the single tab at the bottom.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void hideTabs() {
      if (getPageCount() <= 1) {
         setPageText(0, "");
         if (getContainer() instanceof CTabFolder) {
            ((CTabFolder)getContainer()).setTabHeight(1);
            Point point = getContainer().getSize();
            getContainer().setSize(point.x, point.y + 6);
         }
      }
   }

   /**
    * If there is more than one page in the multi-page editor part,
    * this shows the tabs at the bottom.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void showTabs() {
      if (getPageCount() > 1) {
         setPageText(0, getString("_UI_SelectionPage_label"));
         if (getContainer() instanceof CTabFolder) {
            ((CTabFolder)getContainer()).setTabHeight(SWT.DEFAULT);
            Point point = getContainer().getSize();
            getContainer().setSize(point.x, point.y - 6);
         }
      }
   }

   /**
    * This is used to track the active viewer.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   protected void pageChange(int pageIndex) {
      super.pageChange(pageIndex);

      if (contentOutlinePage != null) {
         handleContentOutlineSelection(contentOutlinePage.getSelection());
      }
   }

   /**
    * This is how the framework determines which interfaces we implement.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @SuppressWarnings("unchecked")
   @Override
   public Object getAdapter(Class key) {
      if (key.equals(IContentOutlinePage.class)) {
         return showOutlineView() ? getContentOutlinePage() : null;
      }
      else if (key.equals(IPropertySheetPage.class)) {
         return getPropertySheetPage();
      }
      else if (key.equals(IGotoMarker.class)) {
         return this;
      }
      else {
         return super.getAdapter(key);
      }
   }

   /**
    * This accesses a cached version of the content outliner.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public IContentOutlinePage getContentOutlinePage() {
      if (contentOutlinePage == null) {
         // The content outline is just a tree.
         //
         class MyContentOutlinePage extends ContentOutlinePage {
            @Override
            public void createControl(Composite parent) {
               super.createControl(parent);
               contentOutlineViewer = getTreeViewer();
               contentOutlineViewer.addSelectionChangedListener(this);

               // Set up the tree viewer.
               //
               contentOutlineViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
               contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
               contentOutlineViewer.setInput(editingDomain.getResourceSet());

               // Make sure our popups work.
               //
               createContextMenuFor(contentOutlineViewer);

               if (!editingDomain.getResourceSet().getResources().isEmpty()) {
                 // Select the root object in the view.
                 //
                 contentOutlineViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
               }
            }

            @Override
            public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) {
               super.makeContributions(menuManager, toolBarManager, statusLineManager);
               contentOutlineStatusLineManager = statusLineManager;
            }

            @Override
            public void setActionBars(IActionBars actionBars) {
               super.setActionBars(actionBars);
               getActionBarContributor().shareGlobalActions(this, actionBars);
            }
         }

         contentOutlinePage = new MyContentOutlinePage();

         // Listen to selection so that we can handle it is a special way.
         //
         contentOutlinePage.addSelectionChangedListener
            (new ISelectionChangedListener() {
                // This ensures that we handle selections correctly.
                //
                public void selectionChanged(SelectionChangedEvent event) {
                   handleContentOutlineSelection(event.getSelection());
                }
             });
      }

      return contentOutlinePage;
   }

   /**
    * This accesses a cached version of the property sheet.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public IPropertySheetPage getPropertySheetPage() {
      if (propertySheetPage == null) {
         propertySheetPage =
            new ExtendedPropertySheetPage(editingDomain) {
               @Override
               public void setSelectionToViewer(List<?> selection) {
                  TomTomEditor.this.setSelectionToViewer(selection);
                  TomTomEditor.this.setFocus();
               }

               @Override
               public void setActionBars(IActionBars actionBars) {
                  super.setActionBars(actionBars);
                  getActionBarContributor().shareGlobalActions(this, actionBars);
               }
            };
         propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
      }

      return propertySheetPage;
   }

   /**
    * This deals with how we want selection in the outliner to affect the other views.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void handleContentOutlineSelection(ISelection selection) {
      if (selectionViewer != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
         Iterator<?> selectedElements = ((IStructuredSelection)selection).iterator();
         if (selectedElements.hasNext()) {
            // Get the first selected element.
            //
            Object selectedElement = selectedElements.next();

            ArrayList<Object> selectionList = new ArrayList<Object>();
            selectionList.add(selectedElement);
            while (selectedElements.hasNext()) {
               selectionList.add(selectedElements.next());
            }

            // Set the selection to the widget.
            //
            selectionViewer.setSelection(new StructuredSelection(selectionList));
         }
      }
   }

   /**
    * This is for implementing {@link IEditorPart} and simply tests the command stack.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public boolean isDirty() {
      return ((BasicCommandStack)editingDomain.getCommandStack()).isSaveNeeded();
   }

   /**
    * This is for implementing {@link IEditorPart} and simply saves the model file.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public void doSave(IProgressMonitor progressMonitor) {
      // Save only resources that have actually changed.
      //
      final Map<Object, Object> saveOptions = new HashMap<Object, Object>();
      saveOptions.put(Resource.OPTION_SAVE_ONLY_IF_CHANGED, Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER);

      // Do the work within an operation because this is a long running activity that modifies the workbench.
      //
      WorkspaceModifyOperation operation =
         new WorkspaceModifyOperation() {
            // This is the method that gets invoked when the operation runs.
            //
            @Override
            public void execute(IProgressMonitor monitor) {
               // Save the resources to the file system.
               //
               boolean first = true;
               for (Resource resource : editingDomain.getResourceSet().getResources()) {
                  if ((first || !resource.getContents().isEmpty() || isPersisted(resource)) && !editingDomain.isReadOnly(resource)) {
                     try {
                        savedResources.add(resource);
                        resource.save(saveOptions);
                     }
                     catch (Exception exception) {
                        resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
                     }
                     first = false;
                  }
               }
            }
         };

      updateProblemIndication = false;
      try {
         // This runs the options, and shows progress.
         //
         new ProgressMonitorDialog(getSite().getShell()).run(true, false, operation);

         // Refresh the necessary state.
         //
         ((BasicCommandStack)editingDomain.getCommandStack()).saveIsDone();
         firePropertyChange(IEditorPart.PROP_DIRTY);
      }
      catch (Exception exception) {
         // Something went wrong that shouldn't.
         //
         MyEditorPlugin.INSTANCE.log(exception);
      }
      updateProblemIndication = true;
      updateProblemIndication();
   }

   /**
    * This returns whether something has been persisted to the URI of the specified resource.
    * The implementation uses the URI converter from the editor's resource set to try to open an input stream.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected boolean isPersisted(Resource resource) {
      boolean result = false;
      try {
         InputStream stream = editingDomain.getResourceSet().getURIConverter().createInputStream(resource.getURI());
         if (stream != null) {
            result = true;
            stream.close();
         }
      }
      catch (IOException e) {
         // Ignore
      }
      return result;
   }

   /**
    * This always returns true because it is not currently supported.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public boolean isSaveAsAllowed() {
      return true;
   }

   /**
    * This also changes the editor's input.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public void doSaveAs() {
      SaveAsDialog saveAsDialog = new SaveAsDialog(getSite().getShell());
      saveAsDialog.open();
      IPath path = saveAsDialog.getResult();
      if (path != null) {
         IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path);
         if (file != null) {
            doSaveAs(URI.createPlatformResourceURI(file.getFullPath().toString(), true), new FileEditorInput(file));
         }
      }
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected void doSaveAs(URI uri, IEditorInput editorInput) {
      (editingDomain.getResourceSet().getResources().get(0)).setURI(uri);
      setInputWithNotify(editorInput);
      setPartName(editorInput.getName());
      IProgressMonitor progressMonitor =
         getActionBars().getStatusLineManager() != null ?
            getActionBars().getStatusLineManager().getProgressMonitor() :
            new NullProgressMonitor();
      doSave(progressMonitor);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void gotoMarker(IMarker marker) {
      try {
         if (marker.getType().equals(EValidator.MARKER)) {
            String uriAttribute = marker.getAttribute(EValidator.URI_ATTRIBUTE, null);
            if (uriAttribute != null) {
               URI uri = URI.createURI(uriAttribute);
               EObject eObject = editingDomain.getResourceSet().getEObject(uri, true);
               if (eObject != null) {
                 setSelectionToViewer(Collections.singleton(editingDomain.getWrapper(eObject)));
               }
            }
         }
      }
      catch (CoreException exception) {
         MyEditorPlugin.INSTANCE.log(exception);
      }
   }

   /**
    * This is called during startup.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public void init(IEditorSite site, IEditorInput editorInput) {
      setSite(site);
      setInputWithNotify(editorInput);
      setPartName(editorInput.getName());
      site.setSelectionProvider(this);
      site.getPage().addPartListener(partListener);
      ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener, IResourceChangeEvent.POST_CHANGE);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public void setFocus() {
      getControl(getActivePage()).setFocus();
   }

   /**
    * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void addSelectionChangedListener(ISelectionChangedListener listener) {
      selectionChangedListeners.add(listener);
   }

   /**
    * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void removeSelectionChangedListener(ISelectionChangedListener listener) {
      selectionChangedListeners.remove(listener);
   }

   /**
    * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to return this editor's overall selection.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public ISelection getSelection() {
      return editorSelection;
   }

   /**
    * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to set this editor's overall selection.
    * Calling this result will notify the listeners.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setSelection(ISelection selection) {
      editorSelection = selection;

      for (ISelectionChangedListener listener : selectionChangedListeners) {
         listener.selectionChanged(new SelectionChangedEvent(this, selection));
      }
      setStatusLineManager(selection);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void setStatusLineManager(ISelection selection) {
      IStatusLineManager statusLineManager = currentViewer != null && currentViewer == contentOutlineViewer ?
         contentOutlineStatusLineManager : getActionBars().getStatusLineManager();

      if (statusLineManager != null) {
         if (selection instanceof IStructuredSelection) {
            Collection<?> collection = ((IStructuredSelection)selection).toList();
            switch (collection.size()) {
               case 0: {
                  statusLineManager.setMessage(getString("_UI_NoObjectSelected"));
                  break;
               }
               case 1: {
                  String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection.iterator().next());
                  statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text));
                  break;
               }
               default: {
                  statusLineManager.setMessage(getString("_UI_MultiObjectSelected", Integer.toString(collection.size())));
                  break;
               }
            }
         }
         else {
            statusLineManager.setMessage("");
         }
      }
   }

   /**
    * This looks up a string in the plugin's plugin.properties file.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   private static String getString(String key) {
      return MyEditorPlugin.INSTANCE.getString(key);
   }

   /**
    * This looks up a string in plugin.properties, making a substitution.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   private static String getString(String key, Object s1) {
      return MyEditorPlugin.INSTANCE.getString(key, new Object [] { s1 });
   }

   /**
    * This implements {@link org.eclipse.jface.action.IMenuListener} to help fill the context menus with contributions from the Edit menu.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public void menuAboutToShow(IMenuManager menuManager) {
      ((IMenuListener)getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager);
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public EditingDomainActionBarContributor getActionBarContributor() {
      return (EditingDomainActionBarContributor)getEditorSite().getActionBarContributor();
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public IActionBars getActionBars() {
      return getActionBarContributor().getActionBars();
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   public AdapterFactory getAdapterFactory() {
      return adapterFactory;
   }

   /**
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   @Override
   public void dispose() {
      updateProblemIndication = false;

      ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeListener);

      getSite().getPage().removePartListener(partListener);

      adapterFactory.dispose();

      if (getActionBarContributor().getActiveEditor() == this) {
         getActionBarContributor().setActiveEditor(null);
      }

      if (propertySheetPage != null) {
         propertySheetPage.dispose();
      }

      if (contentOutlinePage != null) {
         contentOutlinePage.dispose();
      }

      super.dispose();
   }

   /**
    * Returns whether the outline view should be presented to the user.
    * <!-- begin-user-doc -->
    * <!-- end-user-doc -->
    * @generated
    */
   protected boolean showOutlineView() {
      return false;
   }
}
hyshyshys
 
Posts: 37
Joined: Thu Jul 03, 2008 12:27 pm

Re: Is SWT Builder compatible with EMF plugin

Postby Eric Clayberg » Fri Jul 04, 2008 5:34 am

There isn't much in the way of statically defined GUI code in that class for Designer to edit.
Eric Clayberg
Software Engineering Manager
Google
http://code.google.com/webtoolkit/download.html

Author: "Eclipse Plug-ins"
http://www.qualityeclipse.com
Eric Clayberg
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