it.eng.spagobi.meta.editor.physical.PhysicalModelEditor.java Source code

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/**
 SpagoBI, the Open Source Business Intelligence suite
    
 Copyright (C) 2012 Engineering Ingegneria Informatica S.p.A. - SpagoBI Competency Center
 This Source Code Form is subject to the terms of the Mozilla Public
 License, v. 2.0. If a copy of the MPL was not distributed with this file,
 You can obtain one at http://mozilla.org/MPL/2.0/.
     
 **/
package it.eng.spagobi.meta.editor.physical;

import it.eng.spagobi.commons.resource.IResourceLocator;
import it.eng.spagobi.meta.editor.SpagoBIMetaEditorPlugin;
import it.eng.spagobi.meta.editor.dnd.PhysicalObjectDragListener;
import it.eng.spagobi.meta.editor.properties.CustomizedAdapterFactoryContentProvider;
import it.eng.spagobi.meta.editor.properties.CustomizedPhysicalPropertySheetPage;
import it.eng.spagobi.meta.editor.properties.CustomizedPropertySheetSorter;
import it.eng.spagobi.meta.initializer.ModelSingleton;
import it.eng.spagobi.meta.model.analytical.provider.AnalyticalModelItemProviderAdapterFactory;
import it.eng.spagobi.meta.model.behavioural.provider.BehaviouralModelItemProviderAdapterFactory;
import it.eng.spagobi.meta.model.business.provider.BusinessModelItemProviderAdapterFactory;
import it.eng.spagobi.meta.model.olap.provider.OlapModelItemProviderAdapterFactory;
import it.eng.spagobi.meta.model.physical.provider.PhysicalModelItemProviderAdapterFactory;
import it.eng.spagobi.meta.model.provider.ModelItemProviderAdapterFactory;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedHashMap;
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.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.common.command.BasicCommandStack;
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.ViewerPane;
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.ECrossReferenceAdapter;
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.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.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.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TableViewer;
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.DragSourceListener;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
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.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.statushandlers.StatusManager;
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.PropertySheetPage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This is an example of a PhysicalModel model editor. <!-- begin-user-doc --> <!-- end-user-doc -->
 * 
 * @generated
 */
public class PhysicalModelEditor extends MultiPageEditorPart
        implements IEditingDomainProvider, IMenuListener, IViewerProvider, IGotoMarker {

    private static final IResourceLocator RL = SpagoBIMetaEditorPlugin.getInstance().getResourceLocator();

    public static final String EDITOR_ID = PhysicalModelEditor.class.getName();

    private static Logger logger = LoggerFactory.getLogger(PhysicalModelEditor.class);

    /**
     * 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 inverts the roll of parent and child in the content provider and show parents as a tree. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    protected TreeViewer parentViewer;

    /**
     * This shows how a tree view works. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    protected TreeViewer treeViewer;

    /**
     * This shows how a list view works. A list viewer doesn't support icons. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    protected ListViewer listViewer;

    /**
     * This shows how a table view works. A table can be used as a list with icons. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    protected TableViewer tableViewer;

    /**
     * This shows how a tree view with columns works. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    protected TreeViewer treeViewerWithColumns;

    /**
     * This keeps track of the active viewer pane, in the book. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    protected ViewerPane currentViewerPane;

    /**
     * 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;

    protected PhysicalModelEditorSelectionProvider selectionProvider;

    /**
     * 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 -->
     * 
     */
    protected IPartListener partListener;
    // MC:Commented the generated part
    /*
     * protected IPartListener partListener = new DiagnosticPartListener(logger) { public void partActivated(IWorkbenchPart p) {
     * logger.debug("Activated part [{}]", p.getClass().getName()); if (p instanceof ContentOutline) { if (((ContentOutline)p).getCurrentPage() ==
     * contentOutlinePage) { getActionBarContributor().setActiveEditor(PhysicalModelEditor.this);
     * 
     * setCurrentViewer(contentOutlineViewer); } } else if (p instanceof PropertySheet) { if (((PropertySheet)p).getCurrentPage() == propertySheetPage) {
     * getActionBarContributor().setActiveEditor(PhysicalModelEditor.this); handleActivate(); } } else if (p == PhysicalModelEditor.this) { handleActivate(); }
     * } };
     */
    /**
     * 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() {
                            @Override
                            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() {
        @Override
        public void resourceChanged(IResourceChangeEvent event) {
            logger.debug("resourceChanged");
            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>();

                    @Override
                    public boolean visit(IResourceDelta delta) {
                        if (delta.getResource().getType() == IResource.FILE) {
                            if (delta.getKind() == IResourceDelta.REMOVED
                                    || delta.getKind() == IResourceDelta.CHANGED
                                            && delta.getFlags() != IResourceDelta.MARKERS) {
                                Resource resource = resourceSet.getResource(
                                        URI.createPlatformResourceURI(delta.getFullPath().toString(), true), false);
                                if (resource != null) {
                                    if (delta.getKind() == IResourceDelta.REMOVED) {
                                        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;
                    }
                }

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

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

                if (!visitor.getChangedResources().isEmpty()) {
                    getSite().getShell().getDisplay().asyncExec(new Runnable() {
                        @Override
                        public void run() {
                            changedResources.addAll(visitor.getChangedResources());
                            if (getSite().getPage().getActiveEditor() == PhysicalModelEditor.this) {
                                handleActivate();
                            }
                        }
                    });
                }
            } catch (CoreException e) {
                IStatus status = new Status(IStatus.ERROR, SpagoBIMetaEditorPlugin.PLUGIN_ID, IStatus.OK,
                        "Unexpected error occurred", e);
                StatusManager.getManager().handle(status, StatusManager.LOG | StatusManager.SHOW);
            }
        }
    };

    /**
     * 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.
            //
            // MC: setSelection(getSelection());
        }

        if (!removedResources.isEmpty()) {
            if (handleDirtyConflict()) {
                getSite().getPage().closeEditor(PhysicalModelEditor.this, false);
            } 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() {
        /*
         * Commented by MC if (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) { if (isDirty()) {
         * changedResources.addAll(editingDomain.getResourceSet().getResources()); } 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)); } } } }
         * 
         * if (AdapterFactoryEditingDomain.isStale(editorSelection)) { setSelection(StructuredSelection.EMPTY); }
         * 
         * 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, "it.eng.spagobi.meta.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 e) {
                    IStatus status = new Status(IStatus.ERROR, SpagoBIMetaEditorPlugin.PLUGIN_ID, IStatus.OK,
                            "Unexpected error occurred", e);
                    StatusManager.getManager().handle(status, StatusManager.LOG | StatusManager.SHOW);
                }
            }

            if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
                markerHelper.deleteMarkers(editingDomain.getResourceSet());
                if (diagnostic.getSeverity() != Diagnostic.OK) {
                    try {
                        markerHelper.createMarkers(diagnostic);
                    } catch (CoreException e) {
                        IStatus status = new Status(IStatus.ERROR, SpagoBIMetaEditorPlugin.PLUGIN_ID, IStatus.OK,
                                "Unexpected error occurred", e);
                        StatusManager.getManager().handle(status, StatusManager.LOG | StatusManager.SHOW);
                    }
                }
            }
        }
    }

    /**
     * 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(),
                RL.getString("business.editor.dialog.fileconflict.label"),
                RL.getString("business.editor.dialog.fileconflict.message"));
    }

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

    /**
     * This sets up the editing domain for the model editor. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     */
    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 ModelItemProviderAdapterFactory());
        adapterFactory.addAdapterFactory(new PhysicalModelItemProviderAdapterFactory());
        adapterFactory.addAdapterFactory(new BusinessModelItemProviderAdapterFactory());
        adapterFactory.addAdapterFactory(new OlapModelItemProviderAdapterFactory());
        adapterFactory.addAdapterFactory(new BehaviouralModelItemProviderAdapterFactory());
        adapterFactory.addAdapterFactory(new AnalyticalModelItemProviderAdapterFactory());
        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 PhysicalModelEditorCommandStackListener(this));

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

        // **** Using the same editingDomain of BusinessModelEditor
        // for avoiding duplicating the model instance
        ModelSingleton singleton = ModelSingleton.getInstance();

        editingDomain = (AdapterFactoryEditingDomain) singleton.getEditingDomain();
        editingDomain.getCommandStack().addCommandStackListener(new PhysicalModelEditorCommandStackListener(this));

        // *********

    }

    /**
     * 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()) {
            Runnable runnable = new Runnable() {
                @Override
                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);
                    }
                }
            };
            getSite().getShell().getDisplay().asyncExec(runnable);
        }
    }

    /**
     * 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
     */
    @Override
    public EditingDomain getEditingDomain() {
        return editingDomain;
    }

    // ------------------------------------------------------------------

    // Inner class
    /**
     * <!-- 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;
        }
    }

    // ------------------------------------------------------------------

    public void refreshViewer() {
        if (currentViewer != null) {
            // currentViewer.refresh();
            if (currentViewer instanceof TreeViewer) {
                TreeViewer treeViewer = (TreeViewer) currentViewer;
                Object[] elements = treeViewer.getExpandedElements();
                treeViewer.refresh();
                for (Object element : elements) {
                    treeViewer.setExpandedState(element, true);
                }
                // treeViewer.setExpandedElements(elements);
            }
        } else {
            // if there are no viewer set current viewer to the modelTreeViewer and refresh it
            if (selectionViewer != null) {
                setCurrentViewer(selectionViewer);
                refreshViewer();
            }
        }

    }

    /**
     * <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     * @generated
     */
    public void setCurrentViewerPane(ViewerPane viewerPane) {
        if (currentViewerPane != viewerPane) {
            if (currentViewerPane != null) {
                currentViewerPane.showFocus(false);
            }
            currentViewerPane = viewerPane;
        }
        setCurrentViewer(currentViewerPane.getViewer());
    }

    /**
     * This makes sure that one content viewer, either for the current page or the outline view, if it has focus, is the current one.
     */
    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.
                    @Override
                    public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
                        selectionProvider.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.
            selectionProvider
                    .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
     */
    @Override
    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 -->
     * 
     */
    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));
         */

        // set drag source
        int operations = DND.DROP_COPY | DND.DROP_MOVE;
        Transfer[] transferTypes = new Transfer[] { TextTransfer.getInstance() };
        DragSourceListener dragSourceListener = new PhysicalObjectDragListener(viewer);
        viewer.addDragSupport(operations, transferTypes, dragSourceListener);
    }

    /**
     * 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 -->
     * 
     */
    public void createModel() {
        // URI resourceURI = EditUIUtil.getURI(getEditorInput());
        URI resourceURI = ((PhysicalModelEditorInput) getEditorInput()).getResourceFileURI();

        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);
        // MC: added the ECrossReferenceAdapter for resolving inverse references
        ECrossReferenceAdapter crossReferenceAdapter = new ECrossReferenceAdapter();
        resource.getResourceSet().eAdapters().add(crossReferenceAdapter);
        ModelSingleton modelSingleton = ModelSingleton.getInstance();
        modelSingleton.setCrossReferenceAdapter(crossReferenceAdapter);
        // ******
    }

    /**
     * Returns a diagnostic describing the errors and warnings listed in the resource and the specified exception (if any). <!-- begin-user-doc --> <!--
     * end-user-doc -->
     * 
     * 
     */
    public Diagnostic analyzeResourceProblems(Resource resource, Exception exception) {
        if (!resource.getErrors().isEmpty() || !resource.getWarnings().isEmpty()) {
            BasicDiagnostic basicDiagnostic = new BasicDiagnostic(Diagnostic.ERROR, "it.eng.spagobi.meta.editor", 0,
                    RL.getString("business.editor.diagnostic.createmodelerror.message",
                            new Object[] { resource.getURI().toFileString() }),
                    new Object[] { exception == null ? (Object) resource : exception });
            basicDiagnostic.merge(EcoreUtil.computeDiagnostic(resource, true));
            return basicDiagnostic;
        } else if (exception != null) {
            return new BasicDiagnostic(Diagnostic.ERROR, "it.eng.spagobi.meta.editor", 0,
                    RL.getString("business.editor.diagnostic.createmodelerror.message",
                            new Object[] { resource.getURI().toFileString() }),
                    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 -->
     * 
     */
    @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()) {
            // Create a page for the selection tree view.
            //
            {
                ViewerPane viewerPane = new ViewerPane(getSite().getPage(), PhysicalModelEditor.this) {
                    @Override
                    public Viewer createViewer(Composite composite) {
                        Tree tree = new Tree(composite, SWT.MULTI);
                        TreeViewer newTreeViewer = new TreeViewer(tree);
                        return newTreeViewer;
                    }

                    @Override
                    public void requestActivation() {
                        super.requestActivation();
                        setCurrentViewerPane(this);
                    }
                };
                viewerPane.createControl(getContainer());

                selectionViewer = (TreeViewer) viewerPane.getViewer();
                selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
                selectionViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));

                selectionViewer.getTree().addKeyListener(new KeyAdapter() {
                    @Override
                    public void keyPressed(KeyEvent event) {
                        if (event.keyCode == SWT.DEL) {
                            // stops propagation
                            event.doit = false;
                        }
                    }
                });

                URI rootObjectURI = ((PhysicalModelEditorInput) getEditorInput()).getRootObjectURI();
                EObject rootObject = editingDomain.getResourceSet().getEObject(rootObjectURI, false);

                // selectionViewer.setInput(editingDomain.getResourceSet());
                selectionViewer.setInput(rootObject);

                // selectionViewer.setInput(editingDomain.getResourceSet());
                // selectionViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
                viewerPane.setTitle(editingDomain.getResourceSet());

                new AdapterFactoryTreeEditor(selectionViewer.getTree(), adapterFactory);
                createContextMenuFor(selectionViewer);
                int pageIndex = addPage(viewerPane.getControl());
                setPageText(pageIndex, RL.getString("business.editor.selectionpage.label"));

                selectionViewer.expandToLevel(2);
            }
            /*
             * // Create a page for the parent tree view. // { ViewerPane viewerPane = new ViewerPane(getSite().getPage(), PhysicalModelEditor.this) {
             * 
             * @Override public Viewer createViewer(Composite composite) { Tree tree = new Tree(composite, SWT.MULTI); TreeViewer newTreeViewer = new
             * TreeViewer(tree); return newTreeViewer; }
             * 
             * @Override public void requestActivation() { super.requestActivation(); setCurrentViewerPane(this); } }; viewerPane.createControl(getContainer());
             * 
             * parentViewer = (TreeViewer)viewerPane.getViewer(); parentViewer.setAutoExpandLevel(30); parentViewer.setContentProvider(new
             * ReverseAdapterFactoryContentProvider(adapterFactory)); parentViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
             * 
             * createContextMenuFor(parentViewer); int pageIndex = addPage(viewerPane.getControl()); setPageText(pageIndex, getString("_UI_ParentPage_label"));
             * }
             * 
             * 
             * // This is the page for the list viewer // { ViewerPane viewerPane = new ViewerPane(getSite().getPage(), PhysicalModelEditor.this) {
             * 
             * @Override public Viewer createViewer(Composite composite) { return new ListViewer(composite); }
             * 
             * @Override public void requestActivation() { super.requestActivation(); setCurrentViewerPane(this); } }; viewerPane.createControl(getContainer());
             * listViewer = (ListViewer)viewerPane.getViewer(); listViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
             * listViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
             * 
             * createContextMenuFor(listViewer); int pageIndex = addPage(viewerPane.getControl()); setPageText(pageIndex, getString("_UI_ListPage_label")); }
             * 
             * // This is the page for the tree viewer // { ViewerPane viewerPane = new ViewerPane(getSite().getPage(), PhysicalModelEditor.this) {
             * 
             * @Override public Viewer createViewer(Composite composite) { return new TreeViewer(composite); }
             * 
             * @Override public void requestActivation() { super.requestActivation(); setCurrentViewerPane(this); } }; viewerPane.createControl(getContainer());
             * treeViewer = (TreeViewer)viewerPane.getViewer(); treeViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
             * treeViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
             * 
             * new AdapterFactoryTreeEditor(treeViewer.getTree(), adapterFactory);
             * 
             * createContextMenuFor(treeViewer); int pageIndex = addPage(viewerPane.getControl()); setPageText(pageIndex, getString("_UI_TreePage_label")); }
             * 
             * // This is the page for the table viewer. // { ViewerPane viewerPane = new ViewerPane(getSite().getPage(), PhysicalModelEditor.this) {
             * 
             * @Override public Viewer createViewer(Composite composite) { return new TableViewer(composite); }
             * 
             * @Override public void requestActivation() { super.requestActivation(); setCurrentViewerPane(this); } }; viewerPane.createControl(getContainer());
             * tableViewer = (TableViewer)viewerPane.getViewer();
             * 
             * Table table = tableViewer.getTable(); TableLayout layout = new TableLayout(); table.setLayout(layout); table.setHeaderVisible(true);
             * table.setLinesVisible(true);
             * 
             * TableColumn objectColumn = new TableColumn(table, SWT.NONE); layout.addColumnData(new ColumnWeightData(3, 100, true));
             * objectColumn.setText(getString("_UI_ObjectColumn_label")); objectColumn.setResizable(true);
             * 
             * TableColumn selfColumn = new TableColumn(table, SWT.NONE); layout.addColumnData(new ColumnWeightData(2, 100, true));
             * selfColumn.setText(getString("_UI_SelfColumn_label")); selfColumn.setResizable(true);
             * 
             * tableViewer.setColumnProperties(new String [] {"a", "b"}); tableViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
             * tableViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
             * 
             * createContextMenuFor(tableViewer); int pageIndex = addPage(viewerPane.getControl()); setPageText(pageIndex, getString("_UI_TablePage_label")); }
             * 
             * // This is the page for the table tree viewer. // { ViewerPane viewerPane = new ViewerPane(getSite().getPage(), PhysicalModelEditor.this) {
             * 
             * @Override public Viewer createViewer(Composite composite) { return new TreeViewer(composite); }
             * 
             * @Override public void requestActivation() { super.requestActivation(); setCurrentViewerPane(this); } }; viewerPane.createControl(getContainer());
             * 
             * treeViewerWithColumns = (TreeViewer)viewerPane.getViewer();
             * 
             * Tree tree = treeViewerWithColumns.getTree(); tree.setLayoutData(new FillLayout()); tree.setHeaderVisible(true); tree.setLinesVisible(true);
             * 
             * TreeColumn objectColumn = new TreeColumn(tree, SWT.NONE); objectColumn.setText(getString("_UI_ObjectColumn_label"));
             * objectColumn.setResizable(true); objectColumn.setWidth(250);
             * 
             * TreeColumn selfColumn = new TreeColumn(tree, SWT.NONE); selfColumn.setText(getString("_UI_SelfColumn_label")); selfColumn.setResizable(true);
             * selfColumn.setWidth(200);
             * 
             * treeViewerWithColumns.setColumnProperties(new String [] {"a", "b"}); treeViewerWithColumns.setContentProvider(new
             * AdapterFactoryContentProvider(adapterFactory)); treeViewerWithColumns.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
             * 
             * createContextMenuFor(treeViewerWithColumns); int pageIndex = addPage(viewerPane.getControl()); setPageText(pageIndex,
             * getString("_UI_TreeWithColumnsPage_label")); }
             */

            getSite().getShell().getDisplay().asyncExec(new Runnable() {
                @Override
                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() {
            @Override
            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, RL.getString("business.editor.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("rawtypes")
    @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.
                //
                @Override
                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) {
            // PhysicalModelEditor.this.setSelectionToViewer(selection);
            // PhysicalModelEditor.this.setFocus();
            // }
            //
            // @Override
            // public void setActionBars(IActionBars actionBars) {
            // super.setActionBars(actionBars);
            // getActionBarContributor().shareGlobalActions(this, actionBars);
            // }
            // };
            // propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
            CustomizedPropertySheetSorter propertySheetSorter = new CustomizedPropertySheetSorter();
            propertySheetPage = new CustomizedPhysicalPropertySheetPage(this, propertySheetSorter);
            // propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
            propertySheetPage
                    .setPropertySourceProvider(new CustomizedAdapterFactoryContentProvider(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 (currentViewerPane != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
            Iterator<?> selectedElements = ((IStructuredSelection) selection).iterator();
            if (selectedElements.hasNext()) {
                // Get the first selected element.
                //
                Object selectedElement = selectedElements.next();

                // If it's the selection viewer, then we want it to select the same selection as this selection.
                //
                if (currentViewerPane.getViewer() == selectionViewer) {
                    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));
                } else {
                    // Set the input to the widget.
                    //
                    if (currentViewerPane.getViewer().getInput() != selectedElement) {
                        currentViewerPane.getViewer().setInput(selectedElement);
                        currentViewerPane.setTitle(selectedElement);
                    }
                }
            }
        }
    }

    /**
     * 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 -->
     * 
     */
    @Override
    public void doSave(IProgressMonitor progressMonitor) {
        logger.debug("doSave");
        // // 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 {
        // long timeStamp = resource.getTimeStamp();
        // resource.save(saveOptions);
        // if (resource.getTimeStamp() != timeStamp) {
        // savedResources.add(resource);
        // }
        // }
        // 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.
        // //
        // SpagoBIMetaModelEditorPlugin.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 false;
    }

    /**
     * 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
     */
    @Override
    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 e) {
            IStatus status = new Status(IStatus.ERROR, SpagoBIMetaEditorPlugin.PLUGIN_ID, IStatus.OK,
                    "Unexpected error occurred", e);
            StatusManager.getManager().handle(status, StatusManager.LOG | StatusManager.SHOW);
        }
    }

    /**
     * This is called during startup. <!-- begin-user-doc --> <!-- end-user-doc -->
     * 
     */
    @Override
    public void init(IEditorSite site, IEditorInput editorInput) {
        setSite(site);
        setInputWithNotify(editorInput);
        setPartName(editorInput.getName());

        selectionProvider = new PhysicalModelEditorSelectionProvider(this);
        partListener = new PhysicalModelPartListener(this, logger);

        site.setSelectionProvider(selectionProvider);
        // site.getPage().addPartListener(partListener);
        ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener,
                IResourceChangeEvent.POST_CHANGE);
    }

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

    /**
     * <!-- 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(RL.getString("business.editor.status.noobjectselected"));
                    break;
                }
                case 1: {
                    String text = new AdapterFactoryItemDelegator(adapterFactory)
                            .getText(collection.iterator().next());
                    statusLineManager.setMessage(
                            RL.getString("business.editor.status.singleobjectselected", new Object[] { text }));
                    break;
                }
                default: {
                    statusLineManager.setMessage(RL.getString("business.editor.status.multiobjectselected",
                            new Object[] { Integer.toString(collection.size()) }));
                    break;
                }
                }
            } else {
                statusLineManager.setMessage("");
            }
        }
    }

    /**
     * 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
     */
    @Override
    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 true;
    }
}