extlibraryeditor.java

EMF、GEF官方例子源代码

/**
 * <copyright>
 *
 * Copyright (c) 2005 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: 
 *   IBM - Initial API and implementation
 *
 * </copyright>
 *
 * $Id: EXTLibraryEditor.java,v 1.4 2006/05/15 22:06:47 emerks Exp $
 */
package org.eclipse.emf.examples.extlibrary.presentation;


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.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.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.util.EditUIMarkerHelper;

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

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 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.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.IResourceChangeListener;
import org.eclipse.core.resources.IResourceChangeEvent;
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.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.ColumnWeightData;
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.ListViewer;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TableLayout;
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.Transfer;

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

import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;

import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;

import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IFileEditorInput;
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.examples.extlibrary.provider.EXTLibraryItemProviderAdapterFactory;

import java.util.HashMap;

import org.eclipse.core.runtime.NullProgressMonitor;


import org.eclipse.ui.actions.WorkspaceModifyOperation;


/**
 * This is an example of a EXTLibrary model editor.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class EXTLibraryEditor 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 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;

  /**
   * 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 selectionChangedListeners = new ArrayList();

  /**
   * 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(EXTLibraryEditor.this);

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

  /**
   * Resources that have been removed since last activation.
   * @generated
   */
  protected Collection removedResources = new ArrayList();

  /**
   * Resources that have been changed since last activation.
   * @generated
   */
  protected Collection changedResources = new ArrayList();

  /**
   * Resources that have been saved.
   * @generated
   */
  protected Collection savedResources = new ArrayList();

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

  /**
   * 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()
    {
      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)notification.getNotifier(), 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();
                     }
                   });
              }
            }
          }
        }
        else
        {
          super.notifyChanged(notification);
        }
      }

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

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

  /**
   * This listens for workspace changes.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  protected IResourceChangeListener resourceChangeListener =
    new IResourceChangeListener()