How to use

IWorkbenchSite

in

org.eclipse.ui

/**
 * Returns the selection provider managed by the site owning this action or the selection
 * provider explicitly set in {@link #setSpecialSelectionProvider(ISelectionProvider)}.
 *
 * @return the site's selection provider
 */
public ISelectionProvider getSelectionProvider() {
  if (fSpecialSelectionProvider != null) {
    return fSpecialSelectionProvider;
  }
  return fSite.getSelectionProvider();
}

/**
 * Returns the shell provided by the site owning this action.
 * 
 * @return the site's shell
 */
public Shell getShell()
{
  return _fSite.getShell();
}

  /**
   * {@inheritDoc}
   */
  public void update() {
    final IWorkbenchPart part= fSite.getPage().getActivePart();
    if (part != null)
      setActivePart(this, part);
    selectionChanged(this, fSite.getSelectionProvider().getSelection());
  }
}

private BuildActionGroup(IWorkbenchSite site, ISelectionProvider specialSelectionProvider, RefreshAction refreshAction) {
  fSelectionProvider= specialSelectionProvider != null ? specialSelectionProvider : site.getSelectionProvider();
  fBuildAction= new BuildAction(new ShellProviderAdapter(site.getShell()), IncrementalProjectBuilder.INCREMENTAL_BUILD);
  fBuildAction.setText(ActionMessages.BuildAction_label);
  fBuildAction.setActionDefinitionId(IWorkbenchCommandConstants.PROJECT_BUILD_PROJECT);
  fRefreshAction= refreshAction;
  fRefreshAction.setActionDefinitionId(IWorkbenchCommandConstants.FILE_REFRESH);
  if (specialSelectionProvider != null) {
    fRefreshAction.setSpecialSelectionProvider(specialSelectionProvider);
  }
  fSelectionProvider.addSelectionChangedListener(fBuildAction);
  fSelectionProvider.addSelectionChangedListener(fRefreshAction);
}

private NewWizardMenu getNewWizardMenu() {
  if (fNewWizardMenu == null) {
    fNewWizardMenu= new NewWizardMenu(fSite.getWorkbenchWindow());
  }
  return fNewWizardMenu;
}

  @Override
  public void run() {
    super.run();
    IEditorPart editor= ws.getPage().getActiveEditor();
    Point selectedRange= v.getSelectedRange();
    revealInEditor(editor, selectedRange.x, selectedRange.y);
  }
};

IContributionItem showInMenu= ContributionItemFactory.VIEWS_SHOW_IN.create(ws.getWorkbenchWindow());
submenu1.add(showInMenu);
manager.insertAfter("file", submenu1); //$NON-NLS-1$
submenu2.add(new OpenWithMenu(ws.getPage(), resource) {
  @Override
  protected void openEditor(IEditorDescriptor editorDescriptor, boolean openUsingDescriptor) {
OpenFileAction openFileAction= new OpenFileAction(ws.getPage()) {
  @Override
  public void run() {

private void installQuickAccessAction() {
  fHandlerService= fSite.getService(IHandlerService.class);
  if (fHandlerService != null) {
    IHandler handler= new JDTQuickMenuCreator(fEditor) {
      @Override
      protected void fillMenu(IMenuManager menu) {
        fillQuickMenu(menu);
      }
    }.createHandler();
    fQuickAccessHandlerActivation= fHandlerService.activateHandler(QUICK_MENU_ID, handler);
  }
}

public static void schedule(Job job, IWorkbenchSite site) {
  if (site != null) {
    IWorkbenchSiteProgressService siteProgress = site.getAdapter(IWorkbenchSiteProgressService.class);
    if (siteProgress != null) {
      siteProgress.schedule(job, 0, true /* use half-busy cursor */);
      return;
    }
  }
  job.schedule();
}

private BuildActionGroup(IWorkbenchSite site, ISelectionProvider specialSelectionProvider, RefreshAction refreshAction) {
  fSelectionProvider= specialSelectionProvider != null ? specialSelectionProvider : site.getSelectionProvider();
  fBuildAction= new BuildAction(new ShellProviderAdapter(site.getShell()), IncrementalProjectBuilder.INCREMENTAL_BUILD);
  fBuildAction.setText(ActionMessages.BuildAction_label);
  fBuildAction.setActionDefinitionId(IWorkbenchCommandConstants.PROJECT_BUILD_PROJECT);
  fRefreshAction= refreshAction;
  fRefreshAction.setActionDefinitionId(IWorkbenchCommandConstants.FILE_REFRESH);
  if (specialSelectionProvider != null) {
    fRefreshAction.setSpecialSelectionProvider(specialSelectionProvider);
  }
  fSelectionProvider.addSelectionChangedListener(fBuildAction);
  fSelectionProvider.addSelectionChangedListener(fRefreshAction);
}

private NewWizardMenu getNewWizardMenu() {
  if (fNewWizardMenu == null) {
    fNewWizardMenu= new NewWizardMenu(fSite.getWorkbenchWindow());
  }
  return fNewWizardMenu;
}

  @Override
  protected void openEditor(IEditorDescriptor editorDescriptor, boolean openUsingDescriptor) {
    super.openEditor(editorDescriptor, openUsingDescriptor);
    IEditorPart editor= ws.getPage().getActiveEditor();
    Point selectedRange= v.getSelectedRange();
    revealInEditor(editor, selectedRange.x, selectedRange.y);
  }
});

IContributionItem showInMenu = ContributionItemFactory.VIEWS_SHOW_IN.create(ws.getWorkbenchWindow());
submenu1.add(showInMenu);
manager.insertAfter("file", submenu1); //$NON-NLS-1$
MenuManager submenu2 =
  new MenuManager(TeamUIMessages.OpenWithActionGroup_0); 
submenu2.add(new OpenWithMenu(ws.getPage(), resource));
manager.insertAfter("file", submenu2); //$NON-NLS-1$
OpenFileAction openFileAction = new OpenFileAction(ws.getPage());
openFileAction.selectionChanged(selection);
manager.insertAfter("file", openFileAction); //$NON-NLS-1$

private void installQuickAccessAction() {
  fHandlerService= fSite.getService(IHandlerService.class);
  if (fHandlerService != null) {
    IHandler handler= new JDTQuickMenuCreator(fEditor) {
      @Override
      protected void fillMenu(IMenuManager menu) {
        fillQuickMenu(menu);
      }
    }.createHandler();
    fQuickAccessHandlerActivation= fHandlerService.activateHandler(QUICK_MENU_ID, handler);
  }
}

public static void schedule(Job job, IWorkbenchSite site) {
  if (site != null) {
    IWorkbenchSiteProgressService siteProgress = (IWorkbenchSiteProgressService) site.getAdapter(IWorkbenchSiteProgressService.class);
    if (siteProgress != null) {
      siteProgress.schedule(job, 0, true /* use half-busy cursor */);
      return;
    }
  }
  job.schedule();
}

/**
 * Returns the selection provider managed by the site owning this action or the selection
 * provider explicitly set in {@link #setSpecialSelectionProvider(ISelectionProvider)}.
 * 
 * @return the site's selection provider    
 */
public ISelectionProvider getSelectionProvider() {
  if (fSpecialSelectionProvider != null) {
    return fSpecialSelectionProvider;
  }
  return fSite.getSelectionProvider();
}

/**
 * Creates a new <code>BuildActionGroup</code>. The group requires that
 * the selection provided by the view part's selection provider is of type
 * <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
 * 
 * @param part the view part that owns this action group
 */
public BuildActionGroup(IViewPart part) {
  fSite= part.getSite();
  Shell shell= fSite.getShell();
  ISelectionProvider provider= fSite.getSelectionProvider();
  
  fBuildAction= new BuildAction(shell, IncrementalProjectBuilder.INCREMENTAL_BUILD);
  fBuildAction.setText(ActionMessages.BuildAction_label); 
  fBuildAction.setActionDefinitionId("org.eclipse.ui.project.buildProject"); //$NON-NLS-1$
  
  fRefreshAction= new RefreshAction(fSite);
  fRefreshAction.setActionDefinitionId("org.eclipse.ui.file.refresh"); //$NON-NLS-1$
  
  provider.addSelectionChangedListener(fBuildAction);
  provider.addSelectionChangedListener(fRefreshAction);
}

/**
 * Returns the shell provided by the site owning this action.
 * 
 * @return the site's shell    
 */
public Shell getShell() {
  return fSite.getShell();
}

public void run(IJavaElement[] elements) {
  if (elements.length == 0) {
    getShell().getDisplay().beep();
    return;
  }
  CallHierarchyUI.open(elements, getSite().getWorkbenchWindow());
}

  @Override
  public void update() {
    final IWorkbenchPart part= fSite.getPage().getActivePart();
    if (part != null)
      setActivePart(this, part);
    selectionChanged(this, fSelectionProvider.getSelection());
  }
}