org.eclipse.osbp.xtext.dialogdsl/src/org/eclipse/osbp/xtext/dialogdsl/common/AbstractEmbeddedDialog.java - gerrit/osbp/org.eclipse.osbp.xtext.dialog - Git at Google

 /**
  *
  * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
  */
 package org.eclipse.osbp.xtext.dialogdsl.common;

 import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
 import java.util.UUID;

 import javax.annotation.PreDestroy;
 import javax.inject.Inject;
 import javax.inject.Named;

 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.core.di.annotations.Optional;
 import org.eclipse.e4.core.di.extensions.EventUtils;
 import org.eclipse.e4.core.services.events.IEventBroker;
 import org.eclipse.e4.ui.workbench.IPresentationEngine;
 import org.eclipse.osbp.dsl.common.datatypes.IDto;
 import org.eclipse.osbp.dsl.dto.lib.services.IDTOServiceWithMutablePersistence;
 import org.eclipse.osbp.ecview.core.common.context.IViewContext;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable;
 import org.eclipse.osbp.ecview.core.common.model.core.YView;
 import org.eclipse.osbp.ecview.core.common.notification.AbstractReloadRequestService;
 import org.eclipse.osbp.ecview.core.common.notification.IReloadRequestService;
 import org.eclipse.osbp.ecview.core.common.store.IViewStore;
 import org.eclipse.osbp.ecview.extension.model.YStrategyLayout;
 import org.eclipse.osbp.ecview.extension.presentation.vaadin.components.common.ECViewComponent;
 import org.eclipse.osbp.eventbroker.EventBrokerMsg;
 import org.eclipse.osbp.i18n.common.OSI18nService;
 import org.eclipse.osbp.persistence.IPersistenceService;
 import org.eclipse.osbp.runtime.common.annotations.DirtyStateAdapter;
 import org.eclipse.osbp.runtime.common.annotations.DtoUtils;
 import org.eclipse.osbp.runtime.common.i18n.II18nService;
 import org.eclipse.osbp.runtime.web.vaadin.common.resource.IResourceProvider;
 import org.eclipse.osbp.runtime.web.vaadin.components.dialogs.AcceptLoosingDataDialog;
 import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
 import org.eclipse.osbp.ui.api.report.IReportProvider;
 import org.eclipse.osbp.ui.api.themes.IThemeResourceService;
 import org.eclipse.osbp.ui.api.user.IUser;
 import org.eclipse.osbp.ui.common.helper.ICommonUIHelper;
 import org.eclipse.osbp.utils.vaadin.SelectDialog;
 import org.eclipse.osbp.utils.vaadin.ViewLayoutManager;
 import org.eclipse.osbp.vaaclipse.common.ecview.E4EventBrokerAdapter;
 import org.eclipse.osbp.vaaclipse.common.ecview.ECViewToE4ServiceBridge;
 import org.eclipse.osbp.xtext.action.common.IToolbarAction;
 import org.osgi.dto.DTO;
 import org.osgi.service.event.Event;
 import org.osgi.service.event.EventHandler;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Notification;
 import com.vaadin.ui.Notification.Type;
 import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;

 /**
  * The Class AbstractEmbeddedDialog.
  *
  * @param <DTO> the generic type
  */
 @SuppressWarnings("all")
 public abstract class AbstractEmbeddedDialog<DTO> implements IUser.UserLocaleListener {

 	/** The Constant EVENT__CANCEL. */
 	public static final String EVENT__CANCEL = "Cancel";

 	/** The Constant EVENT__DELETE. */
 	public static final String EVENT__DELETE = "Delete";

 	/** The Constant EVENT__SAVE. */
 	public static final String EVENT__SAVE = "Save";

 	/** The Constant EVENT__NEW. */
 	public static final String EVENT__NEW = "New";

 	/** The Constant log. */
 	private final static Logger log = LoggerFactory.getLogger("vaaclipseDialog");

 	/** The user id. */
 	@Inject
 	@Named("userId")
 	@Optional
 	String userId;

 	/** The event broker. */
 	@Inject
 	private IEventBroker eventBroker;

 	/** The rendering engine. */
 	@Inject
 	private IPresentationEngine renderingEngine;

 	/** The persistence service. */
 	@Inject
 	private IPersistenceService persistenceService;

 	/** The theme resource service. */
 	@Inject
 	private IThemeResourceService themeResourceService;

 	/** The common ui helper. */
 	@Inject
 	private ICommonUIHelper commonUIHelper;

 	/** The translator class service. */
 	@Inject
 	private IDSLMetadataService dslMetadataService;

 	/** The report provider. */
 	@Inject IReportProvider reportProvider;

 	/** The i18n service. */
 	@Inject
 	private II18nService i18nService;

 	/** The view store. */
 	@Inject
 	private IViewStore viewStore;

 	/** The eclipse context. */
 	@Inject
 	private IEclipseContext eclipseContext;

 	@Inject
 	private IUser user;

 	/** The strategy event handler. */
 	private StrategyEventHandler strategyEventHandler;

 	/** The table selection handler. */
 	private EventHandler tableSelectionHandler;

 	/** The dispatch action handler. */
 	private EventHandler dispatchActionHandler;

 	/** The dispatch new ok handler. */
 	private EventHandler dispatchNewOkHandler;

 	/** The view context. */
 	// ecview stuff
 	private IViewContext viewContext;

 	/** The ecview component. */
 	private ECViewComponent ecviewComponent;

 	/** The rendering params. */
 	private Map<String, Object> renderingParams;

 	/** The dto service. */
 	private IDTOServiceWithMutablePersistence<DTO> dtoService;

 	/** The layout manager. */
 	private ViewLayoutManager layoutManager;

 	/** The toolbar helper. */
 	private IToolbarAction toolbarHelper;

 	/** The uuid. */
 	protected String uuid = UUID.randomUUID().toString();
 	private Label dialogLabel;

 	private boolean newCreatedDto = false;

 	private SelectDialog selectDialog;
 	private Window selectWindow;

 	private IReloadRequestService reloadRequestService = new AbstractReloadRequestService() {
 		@Override
 		public void requestReload(YEmbeddable component, Object newDto) {
 			if (viewContext == null) {
 				return;
 			}
 			Object currentDto = viewContext.getBean(getMainBeanSlot());
 			if (currentDto != null) {
 				boolean dirty = false;
 				// check if any dto in the dto tree is dirty
 				DirtyStateAdapter adapter = DtoUtils.getAdapter(DirtyStateAdapter.class, currentDto);
 				if (adapter != null) {
 					dirty = adapter.isDirty();
 				}
 				if (!dirty) {
 					try {
 						// in case no adapter available, check if
 						// the current dto is dirty
 						dirty = DtoUtils.isDirty(currentDto);
 					} catch (IllegalAccessException e) {
 					}
 				}
 				if (dirty) {
 					showLoosingDataDialog(viewContext, currentDto, newDto);
 				} else {
 					viewContext.setBean(getMainBeanSlot(), newDto);
 				}
 			} else {
 				viewContext.setBean(getMainBeanSlot(), newDto);
 			}
 		}
 	};

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.osbp.osgi.hybrid.api.AbstractHybridVaaclipseView#createView(com.vaadin.ui.VerticalLayout)
 	 */
 	public void createView(final VerticalLayout parent) {
 		layoutManager = new ViewLayoutManager();
 		layoutManager.init(parent);
 		// create the toolbar
 		//
 		toolbarHelper = createToobarHelper();
 		if (toolbarHelper != null) {
 			toolbarHelper.createToolbar(eclipseContext, renderingEngine, themeResourceService);
 		}
 		if (viewStore != null) {
 			ecviewComponent = new ECViewComponent(new ECViewComponent.ViewProviderCallback() {
 				@Override
 				public YView getView(String viewId, Map<String, Object> properties) {
 					// use the view store to find a user saved view
 					return viewStore.getMostRecentView(userId, viewId);
 				}
 			});
 		} else {
 			ecviewComponent = new ECViewComponent();
 		}

 		ecviewComponent.setSizeFull();
 		layoutManager.getDataArea().addComponent(ecviewComponent);

 		// create the rendering params used for ECView
 		renderingParams = createRenderingParams();

 		// create the event handlers
 		strategyEventHandler = new StrategyEventHandler();

 		selectDialog = new SelectDialog();

 		tableSelectionHandler = new EventHandler() {
 			@Override
 			public void handleEvent(Event event) {
 				Object dto = null;
 				Object data = event.getProperty(org.eclipse.e4.core.di.extensions.EventUtils.DATA);
 				if (data instanceof IDto) {
 					dto = data;
 				} else if (data instanceof EventBrokerMsg) {
 					EventBrokerMsg msg = (EventBrokerMsg) data;
 					String id = msg.getId();
 					log.debug("load bean with id:" + id);
 					if (id != null) {
 						try {
 							dto = dtoService.get((int) Double.parseDouble(id));
 						} catch (NumberFormatException e) {
 							dto = dtoService.get(id);
 						} catch (NullPointerException e) {
 							dto = dtoService.get(id);
 						}
 					}
 				}
 				ecviewComponent.setValue(getViewId(), dto, renderingParams);
 				newCreatedDto = false;
 				reloadRequestService.setMode(true);
 			}
 		};
 		dispatchActionHandler = new EventHandler() {
 			@Override
 			public void handleEvent(Event event) {
 				EventBrokerMsg msg = (EventBrokerMsg) event.getProperty(org.eclipse.e4.core.di.extensions.EventUtils.DATA);
 				log.debug("dispatch action received in Company for " + msg.getName());
 				switch (msg.getName()) {
 				case EVENT__NEW:
 					String dtoFQN = getBaseDtoName();
 					Map<String, String> subTypes = dslMetadataService.getAllTypeNames(user.getLocale().toLanguageTag(), dtoFQN);
 					if (subTypes.size() > 1) {
 						selectWindow = selectDialog.init(eventBroker, subTypes, dtoFQN, "Select SubType", "Ok", getUUID());
 						UI.getCurrent().addWindow(selectWindow);
 					} else {
 						createNew(dtoFQN);
 					}
 					break;
 				case EVENT__SAVE:
 					try {
 						DTO savedDto = (DTO) viewContext.getBean(getMainBeanSlot());
 						dtoService.update(savedDto);
 						DTO newInstance = dtoService.get(getIdForDto(savedDto));
 						ecviewComponent.setValue(getViewId(), newInstance, renderingParams);
 						int insertUpdateFlag = newCreatedDto ? 1 : 0;
 						eventBroker.send(EventBrokerMsg.REFRESH_VIEW + getEventTopicSuffix(), new EventBrokerMsg(getIdForDtoString(savedDto), getDataName(), 0L, insertUpdateFlag));
 						newCreatedDto = false;
 						reloadRequestService.setMode(true);
 					} catch (Exception ex) {
 						showSaveErrorMessage(ex);
 					}
 					break;
 				case EVENT__DELETE:
 					try {
 						DTO deletedDto = (DTO) viewContext.getBean(getMainBeanSlot());
 						dtoService.delete(deletedDto);
 						ecviewComponent.setValue(getViewId(), null, renderingParams);
 						eventBroker.send(EventBrokerMsg.REFRESH_VIEW + getEventTopicSuffix(), new EventBrokerMsg(getIdForDtoString(deletedDto), getDataName()));
 						newCreatedDto = false;
 						reloadRequestService.setMode(false);
 						// initial state of the dialog has to be NEW. This fills the view context with a initial blank bean.
 						createNew(getBaseDtoName());
 					} catch (org.eclipse.osbp.dsl.dto.lib.services.DtoServiceException dtoEx) {
 						showDeleteErrorMessage(dtoEx);
 					}
 					break;
 				case EVENT__CANCEL:
 					DTO canceledDto = (DTO) viewContext.getBean(getMainBeanSlot());
 					DTO oldInstanceCompanyDto = dtoService.get(getIdForDto(canceledDto));
 					ecviewComponent.setValue(getViewId(), oldInstanceCompanyDto, renderingParams);
 					reloadRequestService.setMode(false);
 					break;
 				}
 			}
 		};
 		dispatchNewOkHandler = new EventHandler() {
 			@Override
 			public void handleEvent(Event event) {
 				if (selectWindow != null) {
 					selectWindow.close();
 					UI.getCurrent().removeWindow(selectWindow);
 					selectWindow = null;
 				}
 				EventBrokerMsg msg = (EventBrokerMsg) event.getProperty(EventUtils.DATA);
 				createNew(msg.getName());
 			}
 		};
 		user.addUserLocaleListener(this);
 		subscribe();
 	}

 	/**
 	 * Creates a new dto.
 	 *
 	 * @param typeName
 	 *            the type name for the dto
 	 */
 	protected void createNew(String typeName) {
 		Object newDto = null;
 		Class<?> clazz = null;
 		try {
 			clazz = dslMetadataService.createType(typeName);
 		} catch (ClassNotFoundException e) {
 			log.error("{}", e);
 			return;
 		}
 		try {
 			newDto = clazz.newInstance();
 		} catch (InstantiationException | IllegalAccessException e) {
 			log.error("{}", e);
 			return;
 		}
 		newCreatedDto = true;
 		viewContext.setBean(getMainBeanSlot(), newDto);
 		reloadRequestService.setMode(false);
 	}

 	public void createComponents() {
 		registerPersistenceUnit(persistenceService);
 		// DTO Services (via DS)
 		dtoService = getDtoService();

 		// OSBP UI Code
 		viewContext = ecviewComponent.setValue(getViewId(), null, renderingParams);
 		viewContext.setLocale(user.getLocale());
 		// enable the suggest mode of suggest textfields
 		reloadRequestService.setMode(true);
 		YView yView = (YView) viewContext.getViewEditpart().getModel();

 		if (yView == null) {
 			Notification.show("Dialog could not be found!", Type.ERROR_MESSAGE);
 			return;
 		}

 		// render the Vaadin UI
 		YStrategyLayout yStrategyLayoutT = commonUIHelper.findLayout(yView);
 		if (yStrategyLayoutT != null) {
 			yStrategyLayoutT.setDefaultFocusingEnhancerId("DefaultFocusingEnhancer");
 		}

 		// Creating event handler for receiving events from StrategyCombo
 		strategyEventHandler.setViewContext(viewContext);
 		strategyEventHandler.setUi(UI.getCurrent());
 		strategyEventHandler.setLayout(commonUIHelper.findLayout(yView));
 		// initial state of the dialog has to be NEW. This fills the view context with a initial blank bean.
 		createNew(getBaseDtoName());
 	}

 	/**
 	 * Removes the old view.
 	 */
 	private void removeOldView() {
 		if (viewContext != null) {
 			viewContext.dispose();
 		}
 		if (layoutManager.getDataArea().getComponentCount() > 0) {
 			layoutManager.getDataArea().removeAllComponents();
 		}

 	}

 	/**
 	 * Creates the rendering parameters.
 	 *
 	 * @return the map
 	 */
 	protected Map<String, Object> createRenderingParams() {
 		Map<String, Object> params = new HashMap<String, Object>();
 		Map<String, Object> services = new HashMap<String, Object>();
 		params.put(IViewContext.PARAM_SERVICES, services);
 		params.put(ECViewComponent.PROP_SLOT, getMainBeanSlot());
 		params.put(IViewContext.PARAM_THIRDPARTY_SERVICE_PROVIDER, new ECViewToE4ServiceBridge(eclipseContext));
 		services.put(org.eclipse.osbp.runtime.common.event.IEventBroker.class.getName(), new E4EventBrokerAdapter(eventBroker));
 		services.put(II18nService.class.getName(), new OSI18nService(dslMetadataService, i18nService));
 		services.put(IUser.class.getName(), user);
 		// this service will handle reload requests from YSuggestTextField
 		services.put(IReloadRequestService.class.getName(), reloadRequestService);
 		return params;

 	}

 	/**
 	 * Shows a dialog which warns about loosing data.
 	 *
 	 * @param context
 	 *            the context
 	 * @param currentDto
 	 *            the current dto
 	 * @param newDto
 	 *            the new dto
 	 */
 	protected void showLoosingDataDialog(IViewContext context, Object currentDto, Object newDto) {
 		II18nService i18nService = context.getService(II18nService.class.getName());
 		IResourceProvider resourceProvider = eclipseContext.get(IResourceProvider.class);
 		AcceptLoosingDataDialog.showDialog(i18nService, resourceProvider, new Runnable() {
 			@Override
 			public void run() {
 				viewContext.setBean(getMainBeanSlot(), newDto);
 			}
 		}, null);
 	}

 	/**
 	 * Gets the uuid.
 	 *
 	 * @return the uuid
 	 */
 	protected String getUUID() {
 		return uuid;
 	}

 	/**
 	 * Subscribe.
 	 */
 	protected void subscribe() {
 		eventBroker.subscribe(EventBrokerMsg.AUTOWIRED_ENTITY_PREFIX + getDataName(), tableSelectionHandler);
 		if (toolbarHelper != null) {
 			eventBroker.subscribe(EventBrokerMsg.ACTION_BUTTON_EXECUTE_PREFIX + toolbarHelper.getClass().getSimpleName() + getUUID(), dispatchActionHandler);
 		}
 		eventBroker.subscribe(EventBrokerMsg.DIALOG_STRATEGY_CHANGED, strategyEventHandler);
 		eventBroker.subscribe(EventBrokerMsg.QUERY_ANSWER + getUUID(), dispatchNewOkHandler);
 	}

 	/**
 	 * Unsubscribe.
 	 */
 	@PreDestroy
 	protected void unsubscribe() {
 		eventBroker.unsubscribe(dispatchActionHandler);
 		eventBroker.unsubscribe(tableSelectionHandler);
 		eventBroker.unsubscribe(strategyEventHandler);
 		eventBroker.unsubscribe(dispatchNewOkHandler);
 	}

 	/**
 	 * Gets the view id.
 	 *
 	 * @return the view id
 	 */
 	protected abstract String getViewId();

 	/**
 	 * Gets the main bean slot.
 	 *
 	 * @return the main bean slot
 	 */
 	protected abstract String getMainBeanSlot();

 	/**
 	 * Gets the full qualified dto name.
 	 *
 	 * @return the base class dto name
 	 */
 	protected abstract String getBaseDtoName();

 	/**
 	 * Gets the id for dto string.
 	 *
 	 * @param savedDto
 	 *            the saved dto
 	 * @return the id for dto string
 	 */
 	protected abstract String getIdForDtoString(DTO savedDto);

 	/**
 	 * Gets the id for dto.
 	 *
 	 * @param savedDto
 	 *            the saved dto
 	 * @return the id for dto
 	 */
 	protected abstract Object getIdForDto(DTO savedDto);

 	/**
 	 * Gets the event topic suffix.
 	 *
 	 * @return the event topic suffix
 	 */
 	protected abstract String getEventTopicSuffix();

 	/**
 	 * Gets the data name.
 	 *
 	 * @return the data name
 	 */
 	protected abstract String getDataName();

 	/**
 	 * Gets the binding property name.
 	 *
 	 * @return the binding property name
 	 */
 	protected abstract String getBindingPropertyName();

 	/**
 	 * Gets the dto service.
 	 *
 	 * @return the dto service
 	 */
 	protected abstract IDTOServiceWithMutablePersistence<DTO> getDtoService();

 	protected abstract void registerPersistenceUnit(IPersistenceService persistenceService);

 	/**
 	 * Creates the toobar helper.
 	 *
 	 * @return the i dialog toolbar action
 	 */
 	protected abstract IToolbarAction createToobarHelper();

 	/**
 	 * Show save error message.
 	 *
 	 * @param ex
 	 *            the ex
 	 */
 	protected abstract void showSaveErrorMessage(Exception ex);

 	/**
 	 * Show delete error message.
 	 *
 	 * @param ex
 	 *            the ex
 	 */
 	protected abstract void showDeleteErrorMessage(Exception ex);

 	@Override
 	public void localeChanged(final Locale locale) {
 		if (layoutManager != null) {
 			layoutManager.setLabelValue(dslMetadataService.translate(user.getLocale().toLanguageTag(), getBindingPropertyName()));
 		}
 	}
 }
	/**
	*
	* Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
	*
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
	*/
	package org.eclipse.osbp.xtext.dialogdsl.common;

	import java.util.HashMap;
	import java.util.Locale;
	import java.util.Map;
	import java.util.UUID;

	import javax.annotation.PreDestroy;
	import javax.inject.Inject;
	import javax.inject.Named;

	import org.eclipse.e4.core.contexts.IEclipseContext;
	import org.eclipse.e4.core.di.annotations.Optional;
	import org.eclipse.e4.core.di.extensions.EventUtils;
	import org.eclipse.e4.core.services.events.IEventBroker;
	import org.eclipse.e4.ui.workbench.IPresentationEngine;
	import org.eclipse.osbp.dsl.common.datatypes.IDto;
	import org.eclipse.osbp.dsl.dto.lib.services.IDTOServiceWithMutablePersistence;
	import org.eclipse.osbp.ecview.core.common.context.IViewContext;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddable;
	import org.eclipse.osbp.ecview.core.common.model.core.YView;
	import org.eclipse.osbp.ecview.core.common.notification.AbstractReloadRequestService;
	import org.eclipse.osbp.ecview.core.common.notification.IReloadRequestService;
	import org.eclipse.osbp.ecview.core.common.store.IViewStore;
	import org.eclipse.osbp.ecview.extension.model.YStrategyLayout;
	import org.eclipse.osbp.ecview.extension.presentation.vaadin.components.common.ECViewComponent;
	import org.eclipse.osbp.eventbroker.EventBrokerMsg;
	import org.eclipse.osbp.i18n.common.OSI18nService;
	import org.eclipse.osbp.persistence.IPersistenceService;
	import org.eclipse.osbp.runtime.common.annotations.DirtyStateAdapter;
	import org.eclipse.osbp.runtime.common.annotations.DtoUtils;
	import org.eclipse.osbp.runtime.common.i18n.II18nService;
	import org.eclipse.osbp.runtime.web.vaadin.common.resource.IResourceProvider;
	import org.eclipse.osbp.runtime.web.vaadin.components.dialogs.AcceptLoosingDataDialog;
	import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
	import org.eclipse.osbp.ui.api.report.IReportProvider;
	import org.eclipse.osbp.ui.api.themes.IThemeResourceService;
	import org.eclipse.osbp.ui.api.user.IUser;
	import org.eclipse.osbp.ui.common.helper.ICommonUIHelper;
	import org.eclipse.osbp.utils.vaadin.SelectDialog;
	import org.eclipse.osbp.utils.vaadin.ViewLayoutManager;
	import org.eclipse.osbp.vaaclipse.common.ecview.E4EventBrokerAdapter;
	import org.eclipse.osbp.vaaclipse.common.ecview.ECViewToE4ServiceBridge;
	import org.eclipse.osbp.xtext.action.common.IToolbarAction;
	import org.osgi.dto.DTO;
	import org.osgi.service.event.Event;
	import org.osgi.service.event.EventHandler;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import com.vaadin.ui.HorizontalLayout;
	import com.vaadin.ui.Label;
	import com.vaadin.ui.Notification;
	import com.vaadin.ui.Notification.Type;
	import com.vaadin.ui.UI;
	import com.vaadin.ui.VerticalLayout;
	import com.vaadin.ui.Window;

	/**
	* The Class AbstractEmbeddedDialog.
	*
	* @param <DTO> the generic type
	*/
	@SuppressWarnings("all")
	public abstract class AbstractEmbeddedDialog<DTO> implements IUser.UserLocaleListener {

	/** The Constant EVENT__CANCEL. */
	public static final String EVENT__CANCEL = "Cancel";

	/** The Constant EVENT__DELETE. */
	public static final String EVENT__DELETE = "Delete";

	/** The Constant EVENT__SAVE. */
	public static final String EVENT__SAVE = "Save";

	/** The Constant EVENT__NEW. */
	public static final String EVENT__NEW = "New";

	/** The Constant log. */
	private final static Logger log = LoggerFactory.getLogger("vaaclipseDialog");

	/** The user id. */
	@Inject
	@Named("userId")
	@Optional
	String userId;

	/** The event broker. */
	@Inject
	private IEventBroker eventBroker;

	/** The rendering engine. */
	@Inject
	private IPresentationEngine renderingEngine;

	/** The persistence service. */
	@Inject
	private IPersistenceService persistenceService;

	/** The theme resource service. */
	@Inject
	private IThemeResourceService themeResourceService;

	/** The common ui helper. */
	@Inject
	private ICommonUIHelper commonUIHelper;

	/** The translator class service. */
	@Inject
	private IDSLMetadataService dslMetadataService;

	/** The report provider. */
	@Inject IReportProvider reportProvider;

	/** The i18n service. */
	@Inject
	private II18nService i18nService;

	/** The view store. */
	@Inject
	private IViewStore viewStore;

	/** The eclipse context. */
	@Inject
	private IEclipseContext eclipseContext;

	@Inject
	private IUser user;

	/** The strategy event handler. */
	private StrategyEventHandler strategyEventHandler;

	/** The table selection handler. */
	private EventHandler tableSelectionHandler;

	/** The dispatch action handler. */
	private EventHandler dispatchActionHandler;

	/** The dispatch new ok handler. */
	private EventHandler dispatchNewOkHandler;

	/** The view context. */
	// ecview stuff
	private IViewContext viewContext;

	/** The ecview component. */
	private ECViewComponent ecviewComponent;

	/** The rendering params. */
	private Map<String, Object> renderingParams;

	/** The dto service. */
	private IDTOServiceWithMutablePersistence<DTO> dtoService;

	/** The layout manager. */
	private ViewLayoutManager layoutManager;

	/** The toolbar helper. */
	private IToolbarAction toolbarHelper;

	/** The uuid. */
	protected String uuid = UUID.randomUUID().toString();
	private Label dialogLabel;

	private boolean newCreatedDto = false;

	private SelectDialog selectDialog;
	private Window selectWindow;

	private IReloadRequestService reloadRequestService = new AbstractReloadRequestService() {
	@Override
	public void requestReload(YEmbeddable component, Object newDto) {
	if (viewContext == null) {
	return;
	}
	Object currentDto = viewContext.getBean(getMainBeanSlot());
	if (currentDto != null) {
	boolean dirty = false;
	// check if any dto in the dto tree is dirty
	DirtyStateAdapter adapter = DtoUtils.getAdapter(DirtyStateAdapter.class, currentDto);
	if (adapter != null) {
	dirty = adapter.isDirty();
	}
	if (!dirty) {
	try {
	// in case no adapter available, check if
	// the current dto is dirty
	dirty = DtoUtils.isDirty(currentDto);
	} catch (IllegalAccessException e) {
	}
	}
	if (dirty) {
	showLoosingDataDialog(viewContext, currentDto, newDto);
	} else {
	viewContext.setBean(getMainBeanSlot(), newDto);
	}
	} else {
	viewContext.setBean(getMainBeanSlot(), newDto);
	}
	}
	};

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.osbp.osgi.hybrid.api.AbstractHybridVaaclipseView#createView(com.vaadin.ui.VerticalLayout)
	*/
	public void createView(final VerticalLayout parent) {
	layoutManager = new ViewLayoutManager();
	layoutManager.init(parent);
	// create the toolbar
	//
	toolbarHelper = createToobarHelper();
	if (toolbarHelper != null) {
	toolbarHelper.createToolbar(eclipseContext, renderingEngine, themeResourceService);
	}
	if (viewStore != null) {
	ecviewComponent = new ECViewComponent(new ECViewComponent.ViewProviderCallback() {
	@Override
	public YView getView(String viewId, Map<String, Object> properties) {
	// use the view store to find a user saved view
	return viewStore.getMostRecentView(userId, viewId);
	}
	});
	} else {
	ecviewComponent = new ECViewComponent();
	}

	ecviewComponent.setSizeFull();
	layoutManager.getDataArea().addComponent(ecviewComponent);

	// create the rendering params used for ECView
	renderingParams = createRenderingParams();

	// create the event handlers
	strategyEventHandler = new StrategyEventHandler();

	selectDialog = new SelectDialog();

	tableSelectionHandler = new EventHandler() {
	@Override
	public void handleEvent(Event event) {
	Object dto = null;
	Object data = event.getProperty(org.eclipse.e4.core.di.extensions.EventUtils.DATA);
	if (data instanceof IDto) {
	dto = data;
	} else if (data instanceof EventBrokerMsg) {
	EventBrokerMsg msg = (EventBrokerMsg) data;
	String id = msg.getId();
	log.debug("load bean with id:" + id);
	if (id != null) {
	try {
	dto = dtoService.get((int) Double.parseDouble(id));
	} catch (NumberFormatException e) {
	dto = dtoService.get(id);
	} catch (NullPointerException e) {
	dto = dtoService.get(id);
	}
	}
	}
	ecviewComponent.setValue(getViewId(), dto, renderingParams);
	newCreatedDto = false;
	reloadRequestService.setMode(true);
	}
	};
	dispatchActionHandler = new EventHandler() {
	@Override
	public void handleEvent(Event event) {
	EventBrokerMsg msg = (EventBrokerMsg) event.getProperty(org.eclipse.e4.core.di.extensions.EventUtils.DATA);
	log.debug("dispatch action received in Company for " + msg.getName());
	switch (msg.getName()) {
	case EVENT__NEW:
	String dtoFQN = getBaseDtoName();
	Map<String, String> subTypes = dslMetadataService.getAllTypeNames(user.getLocale().toLanguageTag(), dtoFQN);
	if (subTypes.size() > 1) {
	selectWindow = selectDialog.init(eventBroker, subTypes, dtoFQN, "Select SubType", "Ok", getUUID());
	UI.getCurrent().addWindow(selectWindow);
	} else {
	createNew(dtoFQN);
	}
	break;
	case EVENT__SAVE:
	try {
	DTO savedDto = (DTO) viewContext.getBean(getMainBeanSlot());
	dtoService.update(savedDto);
	DTO newInstance = dtoService.get(getIdForDto(savedDto));
	ecviewComponent.setValue(getViewId(), newInstance, renderingParams);
	int insertUpdateFlag = newCreatedDto ? 1 : 0;
	eventBroker.send(EventBrokerMsg.REFRESH_VIEW + getEventTopicSuffix(), new EventBrokerMsg(getIdForDtoString(savedDto), getDataName(), 0L, insertUpdateFlag));
	newCreatedDto = false;
	reloadRequestService.setMode(true);
	} catch (Exception ex) {
	showSaveErrorMessage(ex);
	}
	break;
	case EVENT__DELETE:
	try {
	DTO deletedDto = (DTO) viewContext.getBean(getMainBeanSlot());
	dtoService.delete(deletedDto);
	ecviewComponent.setValue(getViewId(), null, renderingParams);
	eventBroker.send(EventBrokerMsg.REFRESH_VIEW + getEventTopicSuffix(), new EventBrokerMsg(getIdForDtoString(deletedDto), getDataName()));
	newCreatedDto = false;
	reloadRequestService.setMode(false);
	// initial state of the dialog has to be NEW. This fills the view context with a initial blank bean.
	createNew(getBaseDtoName());
	} catch (org.eclipse.osbp.dsl.dto.lib.services.DtoServiceException dtoEx) {
	showDeleteErrorMessage(dtoEx);
	}
	break;
	case EVENT__CANCEL:
	DTO canceledDto = (DTO) viewContext.getBean(getMainBeanSlot());
	DTO oldInstanceCompanyDto = dtoService.get(getIdForDto(canceledDto));
	ecviewComponent.setValue(getViewId(), oldInstanceCompanyDto, renderingParams);
	reloadRequestService.setMode(false);
	break;
	}
	}
	};
	dispatchNewOkHandler = new EventHandler() {
	@Override
	public void handleEvent(Event event) {
	if (selectWindow != null) {
	selectWindow.close();
	UI.getCurrent().removeWindow(selectWindow);
	selectWindow = null;
	}
	EventBrokerMsg msg = (EventBrokerMsg) event.getProperty(EventUtils.DATA);
	createNew(msg.getName());
	}
	};
	user.addUserLocaleListener(this);
	subscribe();
	}

	/**
	* Creates a new dto.
	*
	* @param typeName
	* the type name for the dto
	*/
	protected void createNew(String typeName) {
	Object newDto = null;
	Class<?> clazz = null;
	try {
	clazz = dslMetadataService.createType(typeName);
	} catch (ClassNotFoundException e) {
	log.error("{}", e);
	return;
	}
	try {
	newDto = clazz.newInstance();
	} catch (InstantiationException \| IllegalAccessException e) {
	log.error("{}", e);
	return;
	}
	newCreatedDto = true;
	viewContext.setBean(getMainBeanSlot(), newDto);
	reloadRequestService.setMode(false);
	}

	public void createComponents() {
	registerPersistenceUnit(persistenceService);
	// DTO Services (via DS)
	dtoService = getDtoService();

	// OSBP UI Code
	viewContext = ecviewComponent.setValue(getViewId(), null, renderingParams);
	viewContext.setLocale(user.getLocale());
	// enable the suggest mode of suggest textfields
	reloadRequestService.setMode(true);
	YView yView = (YView) viewContext.getViewEditpart().getModel();

	if (yView == null) {
	Notification.show("Dialog could not be found!", Type.ERROR_MESSAGE);
	return;
	}

	// render the Vaadin UI
	YStrategyLayout yStrategyLayoutT = commonUIHelper.findLayout(yView);
	if (yStrategyLayoutT != null) {
	yStrategyLayoutT.setDefaultFocusingEnhancerId("DefaultFocusingEnhancer");
	}

	// Creating event handler for receiving events from StrategyCombo
	strategyEventHandler.setViewContext(viewContext);
	strategyEventHandler.setUi(UI.getCurrent());
	strategyEventHandler.setLayout(commonUIHelper.findLayout(yView));
	// initial state of the dialog has to be NEW. This fills the view context with a initial blank bean.
	createNew(getBaseDtoName());
	}

	/**
	* Removes the old view.
	*/
	private void removeOldView() {
	if (viewContext != null) {
	viewContext.dispose();
	}
	if (layoutManager.getDataArea().getComponentCount() > 0) {
	layoutManager.getDataArea().removeAllComponents();
	}

	}

	/**
	* Creates the rendering parameters.
	*
	* @return the map
	*/
	protected Map<String, Object> createRenderingParams() {
	Map<String, Object> params = new HashMap<String, Object>();
	Map<String, Object> services = new HashMap<String, Object>();
	params.put(IViewContext.PARAM_SERVICES, services);
	params.put(ECViewComponent.PROP_SLOT, getMainBeanSlot());
	params.put(IViewContext.PARAM_THIRDPARTY_SERVICE_PROVIDER, new ECViewToE4ServiceBridge(eclipseContext));
	services.put(org.eclipse.osbp.runtime.common.event.IEventBroker.class.getName(), new E4EventBrokerAdapter(eventBroker));
	services.put(II18nService.class.getName(), new OSI18nService(dslMetadataService, i18nService));
	services.put(IUser.class.getName(), user);
	// this service will handle reload requests from YSuggestTextField
	services.put(IReloadRequestService.class.getName(), reloadRequestService);
	return params;

	}

	/**
	* Shows a dialog which warns about loosing data.
	*
	* @param context
	* the context
	* @param currentDto
	* the current dto
	* @param newDto
	* the new dto
	*/
	protected void showLoosingDataDialog(IViewContext context, Object currentDto, Object newDto) {
	II18nService i18nService = context.getService(II18nService.class.getName());
	IResourceProvider resourceProvider = eclipseContext.get(IResourceProvider.class);
	AcceptLoosingDataDialog.showDialog(i18nService, resourceProvider, new Runnable() {
	@Override
	public void run() {
	viewContext.setBean(getMainBeanSlot(), newDto);
	}
	}, null);
	}

	/**
	* Gets the uuid.
	*
	* @return the uuid
	*/
	protected String getUUID() {
	return uuid;
	}

	/**
	* Subscribe.
	*/
	protected void subscribe() {
	eventBroker.subscribe(EventBrokerMsg.AUTOWIRED_ENTITY_PREFIX + getDataName(), tableSelectionHandler);
	if (toolbarHelper != null) {
	eventBroker.subscribe(EventBrokerMsg.ACTION_BUTTON_EXECUTE_PREFIX + toolbarHelper.getClass().getSimpleName() + getUUID(), dispatchActionHandler);
	}
	eventBroker.subscribe(EventBrokerMsg.DIALOG_STRATEGY_CHANGED, strategyEventHandler);
	eventBroker.subscribe(EventBrokerMsg.QUERY_ANSWER + getUUID(), dispatchNewOkHandler);
	}

	/**
	* Unsubscribe.
	*/
	@PreDestroy
	protected void unsubscribe() {
	eventBroker.unsubscribe(dispatchActionHandler);
	eventBroker.unsubscribe(tableSelectionHandler);
	eventBroker.unsubscribe(strategyEventHandler);
	eventBroker.unsubscribe(dispatchNewOkHandler);
	}

	/**
	* Gets the view id.
	*
	* @return the view id
	*/
	protected abstract String getViewId();

	/**
	* Gets the main bean slot.
	*
	* @return the main bean slot
	*/
	protected abstract String getMainBeanSlot();

	/**
	* Gets the full qualified dto name.
	*
	* @return the base class dto name
	*/
	protected abstract String getBaseDtoName();

	/**
	* Gets the id for dto string.
	*
	* @param savedDto
	* the saved dto
	* @return the id for dto string
	*/
	protected abstract String getIdForDtoString(DTO savedDto);

	/**
	* Gets the id for dto.
	*
	* @param savedDto
	* the saved dto
	* @return the id for dto
	*/
	protected abstract Object getIdForDto(DTO savedDto);

	/**
	* Gets the event topic suffix.
	*
	* @return the event topic suffix
	*/
	protected abstract String getEventTopicSuffix();

	/**
	* Gets the data name.
	*
	* @return the data name
	*/
	protected abstract String getDataName();

	/**
	* Gets the binding property name.
	*
	* @return the binding property name
	*/
	protected abstract String getBindingPropertyName();

	/**
	* Gets the dto service.
	*
	* @return the dto service
	*/
	protected abstract IDTOServiceWithMutablePersistence<DTO> getDtoService();

	protected abstract void registerPersistenceUnit(IPersistenceService persistenceService);

	/**
	* Creates the toobar helper.
	*
	* @return the i dialog toolbar action
	*/
	protected abstract IToolbarAction createToobarHelper();

	/**
	* Show save error message.
	*
	* @param ex
	* the ex
	*/
	protected abstract void showSaveErrorMessage(Exception ex);

	/**
	* Show delete error message.
	*
	* @param ex
	* the ex
	*/
	protected abstract void showDeleteErrorMessage(Exception ex);

	@Override
	public void localeChanged(final Locale locale) {
	if (layoutManager != null) {
	layoutManager.setLabelValue(dslMetadataService.translate(user.getLocale().toLanguageTag(), getBindingPropertyName()));
	}
	}
	}