Java Code Examples for org.eclipse.e4.ui.model.application.ui.advanced.MPerspective#getElementId()

/**
 * Transfer persisted state (incl. size) of fastview defined in perspective, to fastview
 * {@link MToolControl} defined in window.
 * 
 * @param fromPerspective
 * @param toWindow
 */
public static void transferFastViewPersistedState(MPerspective fromPerspective,
	MTrimmedWindow toWindow){
	EModelService modelService = getService(EModelService.class);
	String perspectiveId = fromPerspective.getElementId();
	
	Optional<MToolControl> mToolControl =
		getFastViewToolControl(modelService, toWindow, perspectiveId, SideValue.BOTTOM);
	mToolControl.ifPresent(toolControl -> {
		Optional<MPartStack> mStack = getFastViewPartStack(fromPerspective);
		mStack.ifPresent(stack -> {
			if (stack.getPersistedState() != null && !stack.getPersistedState().isEmpty()) {
				for (String key : stack.getPersistedState().keySet()) {
					toolControl.getPersistedState().put(key,
						stack.getPersistedState().get(key));
				}
			}
		});
	});
}
 

protected String getActivePerspectiveId(final MPart part) {
    if (part != null && part.getContext() != null) {
        final EModelService service = part.getContext().get(EModelService.class);
        final MWindow window = service.getTopLevelWindowFor(part);
        String activePerspective = null;
        final MPerspective selectedElement = service.getActivePerspective(window);
        if (selectedElement != null) {
            activePerspective = selectedElement.getElementId();
        }
        return activePerspective;
    }
    return null;
}
 

private void switchToPerspectiveLegacy(MPerspective loadedPerspective,
	List<String> preLoadedFastViewIds){
	
	EModelService modelService = getService(EModelService.class);
	EPartService partService = getService(EPartService.class);
	MApplication mApplication = getService(MApplication.class);
	MTrimmedWindow mWindow = (MTrimmedWindow) modelService.find("IDEWindow", mApplication);
	if (mWindow == null) {
		List<MWindow> windows = mApplication.getChildren();
		if (!windows.isEmpty() && windows.get(0) instanceof MTrimmedWindow) {
			mWindow = (MTrimmedWindow) windows.get(0);
		}
	}
	MPerspective activePerspective = modelService.getActivePerspective(mWindow);
	MElementContainer<MUIElement> perspectiveParent = activePerspective.getParent();
	List<String> fastViewIds = preLoadedFastViewIds;
	
	// add the loaded perspective and switch to it
	String id = loadedPerspective.getElementId();
	Iterator<MUIElement> it = perspectiveParent.getChildren().iterator();
	while (it.hasNext()) {
		MUIElement element = it.next();
		if (id.equals(element.getElementId()) || element.getElementId().startsWith(id + ".<")) {
			it.remove();
		}
	}
	perspectiveParent.getChildren().add(loadedPerspective);
	
	// add fast view
	for (String fastViewId : fastViewIds) {
		ElexisFastViewUtil.addToFastView(loadedPerspective.getElementId(), fastViewId);
	}
	// the workbench window must be on top - otherwise the exception 'Application does not have an active window' occurs
	PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().open();
	
	partService.switchPerspective(loadedPerspective);
}
 

private String getActivePerspectiveId(){
	MPerspective mPerspective = getActivePerspective();
	if (mPerspective != null) {
		return mPerspective.getElementId();
	}
	return null;
}
 

/**
 * Changes the fastviews position from left trimbar to bottom trimbar
 */
private static void changeFastViewBarFromLeftToBottom(){
	EModelService eModelService = getService(EModelService.class);
	MApplication mApplication = getService(MApplication.class);
	MTrimmedWindow mWindow = getCurrentWindow(eModelService, mApplication);
	if (mWindow != null) {
		MPerspective mPerspective = eModelService.getActivePerspective(mWindow);
		
		if (mPerspective != null) {
			String perspectiveId = mPerspective.getElementId();
			
			Optional<MToolControl> mToolControl =
				getFastViewToolControl(eModelService, mWindow, perspectiveId, SideValue.BOTTOM);
			if (!mToolControl.isPresent()) {
				mToolControl = getFastViewToolControl(eModelService, mWindow, perspectiveId,
					SideValue.LEFT);
				mToolControl.ifPresent(toolControl -> {
					MTrimBar trimBarBottom =
						findTrimBar(eModelService, mWindow, SideValue.BOTTOM);
					if (trimBarBottom != null) {
						MToolControl copyToolcontrol =
							eModelService.createModelElement(MToolControl.class);
						copyToolcontrol.setElementId(toolControl.getElementId());
						copyToolcontrol.setContributionURI(
							"bundleclass://org.eclipse.e4.ui.workbench.addons.swt/org.eclipse.e4.ui.workbench.addons.minmax.TrimStack");
						copyToolcontrol.setToBeRendered(true);
						copyToolcontrol.setVisible(true);
						copyToolcontrol.getTags().add("TrimStack");
						
						if (!hasFastViewPersistedState(mPerspective)) {
							copyToolcontrol.getPersistedState().put("YSize", "600");
						}
						trimBarBottom.getChildren().add(0, copyToolcontrol);
						
						toolControl.setToBeRendered(false);
						toolControl.setVisible(false);
						toolControl.getParent().getChildren().remove(toolControl);
						toolControl.setParent(null);
						trimBarBottom.setVisible(true);
						trimBarBottom.setToBeRendered(true);
					}
				});
			} else {
				mToolControl.get().setToBeRendered(true);
			}
		}
	}
}
 

@SuppressWarnings("restriction")
private IPerspectiveDescriptor importPerspectiveFromStream(InputStream in, IStateCallback iStateHandle,
	boolean openPerspectiveIfAdded) throws IOException{
	MPerspective mPerspective = loadPerspectiveFromStream(in);
	if (mPerspective != null) {
		IPerspectiveRegistry iPerspectiveRegistry =
			PlatformUI.getWorkbench().getPerspectiveRegistry();
		
		// the perspective id to import
		String id = mPerspective.getElementId();
		IPerspectiveDescriptor existingPerspectiveDescriptor =
			iPerspectiveRegistry.findPerspectiveWithId(id);
		
		// the active perspective id
		String activePerspectiveId = getActivePerspectiveId();
		
		// check if the import should be done
		if (existingPerspectiveDescriptor == null || iStateHandle == null
			|| iStateHandle.state(State.OVERRIDE)) {
			
			IPerspectiveDescriptor activePd =
				iPerspectiveRegistry.findPerspectiveWithId(activePerspectiveId);
			
			// delete if a perspective with the id already exists
			int idx = deletePerspective(id);
			
			// add the new perspective to the registry
			((PerspectiveRegistry) iPerspectiveRegistry).addPerspective(mPerspective);
			IPerspectiveDescriptor createdPd = iPerspectiveRegistry.findPerspectiveWithId(id);
			if (createdPd != null) {
				((PerspectiveDescriptor) createdPd).setHasCustomDefinition(false); //no original descriptor should exists 
			}
			// check if the new perspective should be opened
			if (idx > -1 || openPerspectiveIfAdded) {
				openPerspective(createdPd);
				// there was already an opened active perspective switch back to it
				openPerspective(activePd);
			}
			return createdPd;
		}
		
	}
	return null;
}