Java 类org.eclipse.ui.views.IViewRegistry 实例源码

public static void printViews(){
    System.out.println("=== Views ===");
    IViewRegistry registry = PlatformUI.getWorkbench().getViewRegistry();
    IViewDescriptor[] descriptors = registry.getViews();
    for (int idx = 0; idx < descriptors.length; idx++) {
        System.out.println(descriptors[idx].getId());
    }

}

/**
 * If the Servers view is available and it contains a selection, the
 * corresponding structured selection is returned. In any other case,
 * including the Servers view being unavailable, either because it is not
 * installed or it is closed, null is returned.
 * @return structured selection in the Servers view, if the Servers view is
 * open and available, or null otherwise
 */
public static IStructuredSelection getServersViewSelection() {

    IViewRegistry registry = PlatformUI.getWorkbench().getViewRegistry();
    String serversViewID = SERVERS_VIEW_ID;

    // fast check to verify that the servers View is available.
    IViewDescriptor serversViewDescriptor = registry.find(serversViewID);
    if (serversViewDescriptor != null) {

        // Granular null checks required as any of the workbench components
        // may not be available at some given point in time (e.g., during
        // start/shutdown)
        IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

        if (activeWorkbenchWindow != null) {

            IWorkbenchPage activePage = activeWorkbenchWindow.getActivePage();

            if (activePage != null) {
                IViewReference[] references = activePage.getViewReferences();

                if (references != null) {
                    IViewPart serversViewPart = null;
                    for (IViewReference reference : references) {
                        if (serversViewID.equals(reference.getId())) {
                            serversViewPart = reference.getView(true);
                            break;
                        }
                    }

                    if (serversViewPart != null) {

                        IViewSite viewSite = serversViewPart.getViewSite();
                        if (viewSite != null) {
                            ISelectionProvider selectionProvider = viewSite.getSelectionProvider();
                            if (selectionProvider != null) {
                                ISelection selection = selectionProvider.getSelection();
                                if (selection instanceof IStructuredSelection) {
                                    return (IStructuredSelection) selection;
                                }
                            }
                        }
                    }
                }
            }
        }

    }
    return null;
}

/**
 * If the Servers view is available and it contains a selection, the
 * corresponding structured selection is returned. In any other case,
 * including the Servers view being unavailable, either because it is not
 * installed or it is closed, null is returned.
 * @return structured selection in the Servers view, if the Servers view is
 * open and available, or null otherwise
 */
public static IStructuredSelection getServersViewSelection() {

    IViewRegistry registry = PlatformUI.getWorkbench().getViewRegistry();
    String serversViewID = SERVERS_VIEW_ID;

    // fast check to verify that the servers View is available.
    IViewDescriptor serversViewDescriptor = registry.find(serversViewID);
    if (serversViewDescriptor != null) {

        // Granular null checks required as any of the workbench components
        // may not be available at some given point in time (e.g., during
        // start/shutdown)
        IWorkbenchWindow activeWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();

        if (activeWorkbenchWindow != null) {

            IWorkbenchPage activePage = activeWorkbenchWindow.getActivePage();

            if (activePage != null) {
                IViewReference[] references = activePage.getViewReferences();

                if (references != null) {
                    IViewPart serversViewPart = null;
                    for (IViewReference reference : references) {
                        if (serversViewID.equals(reference.getId())) {
                            serversViewPart = reference.getView(true);
                            break;
                        }
                    }

                    if (serversViewPart != null) {

                        IViewSite viewSite = serversViewPart.getViewSite();
                        if (viewSite != null) {
                            ISelectionProvider selectionProvider = viewSite.getSelectionProvider();
                            if (selectionProvider != null) {
                                ISelection selection = selectionProvider.getSelection();
                                if (selection instanceof IStructuredSelection) {
                                    return (IStructuredSelection) selection;
                                }
                            }
                        }
                    }
                }
            }
        }

    }
    return null;
}

@Override
public IViewRegistry getViewRegistry() {
    // TODO Auto-generated method stub
    return null;
}

/**
 * Returns the view registry for the workbench.
 * 
 * @return the workbench view registry
 * @since 3.1
 */
public IViewRegistry getViewRegistry();