org.eclipse.ui.IWorkbenchPartSite#getPage ( )源码实例Demo

@After
public void tearDown() {
	final IEditorPart currentEditor = editor;
	if (currentEditor != null) {
		final IWorkbenchPartSite currentSite = currentEditor.getSite();
		if (currentSite != null) {
			final IWorkbenchPage currentPage = currentSite.getPage();
			if (currentPage != null) {
				currentPage.closeEditor(currentEditor, false);
			}
		}
	}
	editor = null;
	f.delete();
	f = null;
}
 

@Override
public void run() {
	if (inputFile == null) {
		return;
	}
	IWorkbenchPartSite workbenchPartSite = derivedSourceView.getSite();
	IWorkbenchPage workbenchPage = workbenchPartSite.getPage();
	try {
		IEditorPart editorPart = workbenchPage.openEditor(new FileEditorInput(inputFile),
				COMPILATION_UNIT_EDITOR_ID, true, IWorkbenchPage.MATCH_ID | IWorkbenchPage.MATCH_INPUT);
		if (selectedRegion != null) {
			((ITextEditor) editorPart).selectAndReveal(selectedRegion.getOffset(), selectedRegion.getLength());
		}
	} catch (PartInitException partInitException) {
		throw new WrappedRuntimeException(partInitException);
	}

}
 

/**
 * Makes sure that the editor's folding state is correct the next time
 * it becomes visible. If it already is visible, it toggles the folding
 * state. If not, it either registers a part listener to toggle folding
 * when the editor becomes visible, or cancels an already registered
 * runner.
 */
public void runWhenNextVisible() {
	// if there is one already: toggling twice is the identity
	if (fFoldingRunner != null) {
		fFoldingRunner.cancel();
		return;
	}
	IWorkbenchPartSite site= getSite();
	if (site != null) {
		IWorkbenchPage page= site.getPage();
		if (!page.isPartVisible(JavaEditor.this)) {
			// if we're not visible - defer until visible
			fPage= page;
			fFoldingRunner= this;
			page.addPartListener(this);
			return;
		}
	}
	// we're visible - run now
	toggleFolding();
}
 

public WorkingSetFilterActionGroup(IWorkbenchPartSite site, IPropertyChangeListener changeListener) {
	Assert.isNotNull(site);
	Assert.isNotNull(changeListener);

	fChangeListener= changeListener;
	fWorkbenchPage= site.getPage();
	fAllowWindowWorkingSetByDefault= true;
	fClearWorkingSetAction= new ClearWorkingSetAction(this);
	fSelectWorkingSetAction= new SelectWorkingSetAction(this, site);
	fEditWorkingSetAction= new EditWorkingSetAction(this, site);

	fWorkingSetListener= new IPropertyChangeListener() {
		public void propertyChange(PropertyChangeEvent event) {
			doPropertyChange(event);
		}
	};
	fWorkingSetFilter= new WorkingSetFilter();

	IWorkingSetManager manager= PlatformUI.getWorkbench().getWorkingSetManager();
	manager.addPropertyChangeListener(fWorkingSetListener);

	if (useWindowWorkingSetByDefault()) {
		setWorkingSet(site.getPage().getAggregateWorkingSet(), false);
	}
}
 

public NewTextSearchActionGroup(IViewPart part) {
    Assert.isNotNull(part);
    IWorkbenchPartSite site = part.getSite();
    fSelectionProvider = site.getSelectionProvider();
    fPage = site.getPage();
    fOpenPropertiesDialog = new PropertyDialogAction(site, fSelectionProvider);
    fOpenAction = new OpenFileAction(fPage);
    ISelection selection = fSelectionProvider.getSelection();

    if (selection instanceof IStructuredSelection) {
        fOpenPropertiesDialog.selectionChanged((IStructuredSelection) selection);
    } else {
        fOpenPropertiesDialog.selectionChanged(selection);
    }

}
 

public NewTextSearchActionGroup(IViewPart part) {
    Assert.isNotNull(part);
    IWorkbenchPartSite site = part.getSite();
    fSelectionProvider = site.getSelectionProvider();
    fPage = site.getPage();
    fOpenPropertiesDialog = new PropertyDialogAction(site, fSelectionProvider);
    fOpenAction = new OpenFileAction(fPage);
    ISelection selection = fSelectionProvider.getSelection();

    if (selection instanceof IStructuredSelection) {
        fOpenPropertiesDialog.selectionChanged((IStructuredSelection) selection);
    } else {
        fOpenPropertiesDialog.selectionChanged(selection);
    }

}
 

private void updateActiveEditor() {
	final IWorkbenchPartSite site = getSite();
	final IWorkbenchPage page = site != null ? site.getPage() : null;
	final IEditorPart eddy = page != null ? page.getActiveEditor() : null;
	final XtextEditor xeddy = eddy instanceof XtextEditor ? (XtextEditor) eddy : null;
	if (activeEditor != xeddy) {
		activeEditor = xeddy;
		onActiveEditorChanged();
	}
}
 

public EditorDocumentUndoChange(String name, ITextEditor editor, UndoEdit undoEdit, boolean doSave) {
	this.name = name;
	IWorkbenchPartSite site = editor.getSite();
	this.page = site.getPage();
	this.editorID = site.getId();
	this.editorInput = editor.getEditorInput();
	this.undoEdit = undoEdit;
	this.doSave = doSave;
}
 

static CallHierarchyViewPart findAndShowCallersView(IWorkbenchPartSite site) {
    IWorkbenchPage workbenchPage = site.getPage();
    CallHierarchyViewPart callersView = null;

    try {
        callersView = (CallHierarchyViewPart) workbenchPage.showView(CallHierarchyViewPart.ID_CALL_HIERARCHY);
    } catch (PartInitException e) {
        JavaPlugin.log(e);
    }

    return callersView;
}
 

/**
 * Gets the page, even during startup.
 * @return the page
 */
public static IWorkbenchPage getPage(IWorkbenchPartSite site) {
	if (site != null) {
		IWorkbenchPage page = site.getPage();
		if (page != null) return page;
	}
	IWorkbenchPage activePage = getActivePage();
	if (activePage!=null) return activePage;
	return getDefaultPage();
}