Java Code Examples for org.eclipse.ui.IWorkbenchPage#findViewReference()

public static CallHierarchyViewPart openView(IMember[] input, IWorkbenchWindow window) {
  	if (input.length == 0) {
	MessageDialog.openInformation(window.getShell(), CallHierarchyMessages.CallHierarchyUI_selectionDialog_title,
			CallHierarchyMessages.CallHierarchyUI_open_operation_unavialable);
	return null;
}
      IWorkbenchPage page= window.getActivePage();
try {
	CallHierarchyViewPart viewPart= getDefault().findLRUCallHierarchyViewPart(page); //find the first view which is not pinned
	String secondaryId= null;
	if (viewPart == null) {
		if (page.findViewReference(CallHierarchyViewPart.ID_CALL_HIERARCHY) != null) //all the current views are pinned, open a new instance
			secondaryId= String.valueOf(++getDefault().fViewCount);
	} else
		secondaryId= viewPart.getViewSite().getSecondaryId();
	viewPart= (CallHierarchyViewPart)page.showView(CallHierarchyViewPart.ID_CALL_HIERARCHY, secondaryId, IWorkbenchPage.VIEW_ACTIVATE);
	viewPart.setInputElements(input);
	return viewPart;
      } catch (CoreException e) {
          ExceptionHandler.handle(e, window.getShell(),
              CallHierarchyMessages.CallHierarchyUI_error_open_view, e.getMessage());
      }
      return null;
  }
 

public static ViewPart getView(String viewId, boolean forceVisible) {
    IWorkbenchWindow workbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    try {
        if (workbenchWindow == null) {
            return null;
        }
        IWorkbenchPage page = workbenchWindow.getActivePage();
        if (forceVisible) {
            return (ViewPart) page.showView(viewId, null, IWorkbenchPage.VIEW_VISIBLE);

        } else {
            IViewReference viewReference = page.findViewReference(viewId);
            if (viewReference != null) {
                //if it's there, return it (but don't restore it if it's still not there).
                //when made visible, it'll handle things properly later on.
                return (ViewPart) viewReference.getView(false);
            }
        }
    } catch (Exception e) {
        Log.log(e);
    }
    return null;

}
 

/**
 * Gets the py code coverage view. May only be called in the UI thread. If the view is not visible, if createIfNotThere
 * is true, it's made visible.
 *
 * Note that it may return null if createIfNotThere == false and the view is not currently shown or if not in the
 * UI thread.
 */
public static PyCodeCoverageView getView(boolean createIfNotThere) {
    IWorkbenchWindow workbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    try {
        if (workbenchWindow == null) {
            return null;
        }
        IWorkbenchPage page = workbenchWindow.getActivePage();
        if (createIfNotThere) {
            return (PyCodeCoverageView) page.showView(PY_COVERAGE_VIEW_ID, null, IWorkbenchPage.VIEW_ACTIVATE);
        } else {
            IViewReference viewReference = page.findViewReference(PY_COVERAGE_VIEW_ID);
            if (viewReference != null) {
                //if it's there, return it (but don't restore it if it's still not there).
                //when made visible, it'll handle things properly later on.
                return (PyCodeCoverageView) viewReference.getView(false);
            }
        }
    } catch (Exception e) {
        Log.log(e);
    }
    return null;
}
 

private void openAsView(IWorkbenchPage page) throws PartInitException {
    WebBrowserView view = null;
    IViewReference findViewReference = page.findViewReference(WebBrowserView.WEB_BROWSER_VIEW_ID,
            WebBrowserUtil.encodeStyle(id, IWorkbenchBrowserSupport.AS_VIEW));
    if (findViewReference == null) {
        view = (WebBrowserView) page.showView(WebBrowserView.WEB_BROWSER_VIEW_ID,
                WebBrowserUtil.encodeStyle(id, IWorkbenchBrowserSupport.AS_VIEW),
                IWorkbenchPage.VIEW_CREATE);
    } else {
        view = (WebBrowserView) findViewReference.getView(true);
    }
    if (name != null && name.length() > 0) {
        view.setBrowserViewName(name);
    }
    if (view != null) {
        view.setURL(url.toExternalForm());
        if (bringPartToTop) {
            page.bringToTop(view);
        }
    }
}
 

public static IGamaView.Display findDisplay(final String id) {
	final IWorkbenchPage page = WorkbenchHelper.getPage();
	if (page == null) { return null; } // Closing the workbench
	final IViewReference ref = page.findViewReference(id);
	if (ref == null) { return null; }
	final IViewPart view = ref.getView(false);
	if (view instanceof IGamaView.Display) { return (IGamaView.Display) view; }
	return null;
}
 

public static boolean isDisplay(final String id) {
	if (!id.startsWith(SwtGui.GL_LAYER_VIEW_ID) && !id.startsWith(SwtGui.LAYER_VIEW_ID)) { return false; }
	final IWorkbenchPage page = WorkbenchHelper.getPage();
	if (page == null) { return false; } // Closing the workbench
	final IViewReference ref = page.findViewReference(id);
	return ref != null;
	// final IViewPart view = ref.getView(false);
	// if (view instanceof IGamaView.Display) { return (IGamaView.Display) view; }
	// return <
}
 

public static IViewPart findView(final String id, final String second, final boolean restore) {
	final IWorkbenchPage page = WorkbenchHelper.getPage();
	if (page == null) { return null; } // Closing the workbench
	final IViewReference ref = page.findViewReference(id, second);
	if (ref == null) { return null; }
	final IViewPart part = ref.getView(restore);
	return part;
}
 

/**
 * hide eclipse welcome page
 */
private void hideIntroView() {
	try {
		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
		IWorkbenchPage page = window.getActivePage();
		IViewReference ref = page.findViewReference(INTRO_VIEW_ID);
		page.hideView(ref);
	} catch (Exception e) {
		log.error("Error occured while hiding the eclipse welcome page", e);
	}
}
 

/**
 * Returns the loader in use in this Sequence Diagram View
 *
 * @param viewId The Sequence Diagram viewId
 * @param view The Sequence Diagram view (if known). Use null to reference the primary SD View.
 * @return the current loader if any - null otherwise
 */
public IUml2SDLoader getCurrentLoader(String viewId, SDView view) {
    if (viewId == null) {
        return null;
    }

    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
    // During Eclipse shutdown the active workbench window is null
    if (window == null) {
        return null;
    }

    IWorkbenchPage persp = window.getActivePage();

    SDView sdView = view;

    try {
        // Search the view corresponding to the viewId
        if (sdView == null) {
            IViewReference viewref = persp.findViewReference(viewId);
            if (viewref != null) {
                sdView = (SDView) viewref.getView(false);
            }

            if (sdView == null) {
                // no corresponding view exists -> return null for the loader
                return null;
            }
        }

        // Return the loader corresponding to that view (if any)
        IUml2SDLoader loader = fViewLoaderMap.get(viewId);
        if (loader == null) {
            createLastLoaderIfAny(viewId);
            loader = fViewLoaderMap.get(viewId);
        }

        return loader;
    } catch (Exception e) {
        Activator.getDefault().logError("Error getting loader class", e); //$NON-NLS-1$
    }
    return null;
}
 

/**
 * Changes the current unique loader to the given secondary viewId.
 *
 * @param loader The current loader
 * @param id the view secondary id or null
 */
private void setCurrentLoader(IUml2SDLoader loader, String id) {
    if (id == null) {
        return;
    }

    // Get the loader in use
    IUml2SDLoader currentLoader = fViewLoaderMap.get(id);

    if ((currentLoader != null) && (currentLoader != loader)) {
        if (loader != null) {
            IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
            // During Eclipse shutdown the active workbench window is null
            if (window == null) {
                return;
            }
            IWorkbenchPage persp = window.getActivePage();
            try {
                // Search view corresponding to the viewId
                SDView sdview = null;
                IViewReference viewref = persp.findViewReference(id);
                if (viewref != null) {
                    sdview = (SDView) viewref.getView(false);
                }

                // Make everything clean for the new loader
                if (sdview != null) {
                    sdview.resetProviders();
                }

            } catch (Exception e) {
                Activator.getDefault().logError("Error setting current loader class", e); //$NON-NLS-1$
            }
        }
        // The old loader is going to be kicked
        currentLoader.dispose();
    }

    // Replace the current loader by the new one in the map
    fViewLoaderMap.put(id, loader);

    // Store this loader in the preferences to be able to restore it when the workbench will be re-launched
    if (loader != null) {
        saveLastLoader(loader.getClass().getName(), id);
    }
}