org.eclipse.osbp.utils.ui/src/org/eclipse/osbp/utils/vaadin/problems/ProblemsViewContent.java - osbp/org.eclipse.osbp.utils.ui - Git at Google

 package org.eclipse.osbp.utils.vaadin.problems;

 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Timer;
 import java.util.TimerTask;

 import javax.annotation.PreDestroy;

 import org.eclipse.e4.core.contexts.IEclipseContext;
 import org.eclipse.e4.core.services.events.IEventBroker;
 import org.eclipse.e4.ui.model.application.ui.advanced.MPerspective;
 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
 import org.eclipse.e4.ui.workbench.modeling.EPartService;
 import org.eclipse.osbp.runtime.common.event.EventDispatcherEvent;
 import org.eclipse.osbp.runtime.common.event.EventDispatcherEvent.EventDispatcherCommand;
 import org.eclipse.osbp.runtime.common.event.IEventDispatcher;
 import org.eclipse.osbp.runtime.common.validation.IStatus;
 import org.eclipse.osbp.runtime.common.validation.IStatus.Severity;
 import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
 import org.eclipse.osbp.vaaclipse.addons.common.api.IE4Topics;
 import org.eclipse.osbp.vaaclipse.addons.common.api.ResourceUtil;
 import org.eclipse.osbp.vaaclipse.addons.common.api.status.IStatusManager;
 import org.eclipse.osbp.vaaclipse.addons.common.api.status.IStatusScope;
 import org.osgi.service.event.EventHandler;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import com.vaadin.data.util.BeanItemContainer;
 import com.vaadin.event.ItemClickEvent;
 import com.vaadin.server.Resource;
 import com.vaadin.shared.ui.label.ContentMode;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.Table;
 import com.vaadin.ui.Table.ColumnHeaderMode;
 import com.vaadin.ui.Table.RowHeaderMode;
 import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;

 public class ProblemsViewContent extends VerticalLayout {	// NOSONAR
 	private static final String MESSAGE_CODE = "messageCode";

 	private static final String CREATOR_CLASS = "creatorClass";

 	private static final String MESSAGE_PATH = "messagePath";

 	private static final String SEVERITY = "severity";

 	private static final String BUNDLE_SYMBOLIC_NAME = "bundleSymbolicName";

 	private static final String PART_NAME = "partName";

 	private static final String FIELD_NAME = "fieldName";

 	private static final String MESSAGE = "message";

 	/**
 	 *
 	 */
 	private static final long serialVersionUID = -8512352376339527845L;

 	/** The Constant LOGGER. */
 	private static final Logger LOGGER = LoggerFactory.getLogger(ProblemsViewContent.class);

 	/** The status manager. */
 	private transient IStatusManager statusManager;

 	/** The part service. */
 	private transient EPartService partService;

 	/** The event broker. */
 	private transient IEventBroker eventBroker;

 	/** The table. */
 	private Table table;

 	/** The container. */
 	private BeanItemContainer<StatusBean> container;

 	/** The current timer. */
 	private transient Timer currentTimer;

 	/** The changed validations handler. */
 	private transient EventHandler changedValidationsHandler;

 	/** The changed scope handler. */
 	private transient EventHandler changedScopeHandler;

 	/** The detail label. */
 	private Label detailLabel;

 	private Locale locale;

 	private transient IDSLMetadataService dslMetadataService;

 	private String sender;

 	private String topic;

 	private transient IEventDispatcher eventDispatcher;

 	private MPerspective perspective;

 	/**
 	 * Inits the view content.
 	 *
 	 * @param locale
 	 *            the locale
 	 * @return the vertical layout
 	 */
 	@SuppressWarnings("serial")
 	public Component createComponents(IEclipseContext eclipseContext, Locale locale, String sender, String topic) {
 		this.sender = sender;
 		this.topic = topic;
 		eventDispatcher = eclipseContext.get(IEventDispatcher.class);
 		dslMetadataService = eclipseContext.get(IDSLMetadataService.class);
 		statusManager = eclipseContext.get(IStatusManager.class);
 		partService = eclipseContext.get(EPartService.class);
 		eventBroker = eclipseContext.get(IEventBroker.class);
 		perspective = eclipseContext.get(MPerspective.class);

 		this.locale = locale;
 		VerticalLayout parent = new VerticalLayout();
 		table = new Table();
 		table.setSelectable(true);
 		table.setSizeFull();
 		table.setPageLength(5);
 		parent.addComponent(table);

 		container = new BeanItemContainer<>(StatusBean.class);
 		table.setContainerDataSource(container);

 		table.setVisibleColumns(MESSAGE, FIELD_NAME, PART_NAME, BUNDLE_SYMBOLIC_NAME, SEVERITY, MESSAGE_PATH,
 				CREATOR_CLASS, MESSAGE_CODE);
 		table.setColumnCollapsingAllowed(true);
 		table.setColumnCollapsed(SEVERITY, true);
 		table.setColumnCollapsed(BUNDLE_SYMBOLIC_NAME, true);
 		table.setColumnCollapsed(MESSAGE_PATH, true);
 		table.setColumnCollapsed(CREATOR_CLASS, true);
 		table.setColumnCollapsed(MESSAGE_CODE, true);

 		table.setRowHeaderMode(RowHeaderMode.ICON_ONLY);
 		table.setItemIconPropertyId("severityImage");

 		table.setColumnHeaderMode(ColumnHeaderMode.EXPLICIT_DEFAULTS_ID);
 		table.setColumnHeader(MESSAGE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE));
 		table.setColumnHeader(FIELD_NAME, dslMetadataService.translate(locale.toLanguageTag(), FIELD_NAME));
 		table.setColumnHeader(PART_NAME, dslMetadataService.translate(locale.toLanguageTag(), PART_NAME));
 		table.setColumnHeader(BUNDLE_SYMBOLIC_NAME,
 				dslMetadataService.translate(locale.toLanguageTag(), BUNDLE_SYMBOLIC_NAME));
 		table.setColumnHeader(SEVERITY, dslMetadataService.translate(locale.toLanguageTag(), SEVERITY));
 		table.setColumnHeader(MESSAGE_PATH, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_PATH));
 		table.setColumnHeader(CREATOR_CLASS, dslMetadataService.translate(locale.toLanguageTag(), CREATOR_CLASS));
 		table.setColumnHeader(MESSAGE_CODE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_CODE));

 		table.addItemClickListener(new ItemClickEvent.ItemClickListener() {
 			@Override
 			public void itemClick(ItemClickEvent event) {
 				focusStatus(event);
 			}
 		});

 		table.addValueChangeListener(e -> showDetailMessage((StatusBean) e.getProperty().getValue()));

 		detailLabel = new Label();
 		detailLabel.setPrimaryStyleName("detailmessage");
 		detailLabel.setContentMode(ContentMode.HTML);
 		detailLabel.setSizeFull();
 		parent.addComponent(detailLabel);
 		table.focus();

 		parent.setExpandRatio(table, 0.85f);
 		parent.setExpandRatio(detailLabel, 0.15f);

 		// handle changed validation scopes
 		//
 		changedScopeHandler = e -> refreshContent();

 		// handle changes in validation results
 		//
 		eventBroker.subscribe(IE4Topics.StatusManagerEvents.ACTIVE_SCOPE_CHANGED_TOPIC, changedScopeHandler);
 		changedValidationsHandler = e -> refreshContent();

 		eventBroker.subscribe(IE4Topics.StatusManagerEvents.VALIDATIONS_CHANGED_TOPIC, changedValidationsHandler);
 		return parent;
 	}

 	/**
 	 * Shows the detail message.
 	 *
 	 * @param statusBean
 	 *            the status bean
 	 */
 	protected void showDetailMessage(StatusBean statusBean) {
 		if (statusBean != null) {
 			detailLabel.setValue(statusBean.getMessage().getValue());
 		} else {
 			detailLabel.setValue(null);
 		}
 	}

 	/**
 	 * Tries to put the focus to the field involved in the problem.
 	 *
 	 * @param event
 	 *            the event
 	 */
 	protected void focusStatus(ItemClickEvent event) {
 		StatusBean status = (StatusBean) event.getItemId();

 		String mPartId = status.getPartId();
 		if (mPartId != null && !mPartId.equals("")) {
 			MPart mPart = partService.findPart(mPartId);
 			if (mPart != null) {
 				partService.bringToTop(mPart);
 				partService.activate(mPart);

 				String fieldId = status.getFieldId();
 				if (fieldId != null && !fieldId.equals("")) {
 					// send a focus field event to the mpart
 					eventBroker.post(IE4Topics.PartEvents.FOCUS_FIELD_TOPIC, createFocusFieldEvent(mPartId, fieldId));
 				}
 			}
 		}
 	}

 	/**
 	 * Creates an event to focus a field in a MPart.
 	 *
 	 * @param mPartId
 	 *            the m part id
 	 * @param fieldId
 	 *            the field id
 	 * @return the map
 	 */
 	protected Map<String, Object> createFocusFieldEvent(String mPartId, String fieldId) {
 		Map<String, Object> properties = new HashMap<>();
 		properties.put(IE4Topics.PartEvents.PROP_MPART_ID, mPartId);
 		properties.put(IE4Topics.PartEvents.PROP_FIELD_ID, fieldId);
 		return properties;
 	}

 	/**
 	 * Refreshes the content of the active MPart.
 	 */
 	protected void refreshContent() {
 		synchronized (this) {
 			// Wait for 250ms before refreshing the table. Most probably several
 			// validation events will
 			// arrive in the next milliseconds
 			if (currentTimer == null) {
 				currentTimer = new Timer();
 				currentTimer.schedule(new TimerTask() {
 					@Override
 					public void run() {
 						UI.getCurrent().accessSynchronously(() -> {
 							container.removeAllItems();
 							IStatusScope scope = statusManager.getActiveScope();
 							if (scope != null) {
 								container.addAll(mapStatus(scope));
 							}
 							detailLabel.setValue("");
 							LOGGER.debug("{}", "Table refreshed.");
 							resetTimer();
 							if (container.size() == 0) {
 								EventDispatcherEvent evt = new EventDispatcherEvent(perspective, EventDispatcherCommand.CLOSE, topic, sender);
 								eventDispatcher.sendEvent(evt);
 							} else {
 								table.select(container.getIdByIndex(0));
 							}
 						});
 					}
 				}, 250);
 				LOGGER.debug("{}", "Scheduled Table-Refresh-Timer.");
 			} else {
 				LOGGER.debug("{}", "Timer already active.");
 			}
 		}
 	}

 	/**
 	 * Reset timer.
 	 */
 	protected void resetTimer() {
 		synchronized (this) {
 			currentTimer = null;
 		}
 	}

 	/**
 	 * Map status.
 	 *
 	 * @param scope
 	 *            the scope
 	 * @return the list
 	 */
 	protected List<StatusBean> mapStatus(IStatusScope scope) {
 		List<StatusBean> result = new ArrayList<>();
 		for (IStatus status : scope.getAllStatus()) {
 			result.add(StatusBean.create(status, dslMetadataService, locale));
 		}
 		return result;
 	}

 	/**
 	 * Map status.
 	 *
 	 * @param manager
 	 *            the manager
 	 * @return the list
 	 */
 	protected List<StatusBean> mapStatus(IStatusManager manager) {
 		List<StatusBean> result = new ArrayList<>();
 		for (IStatus status : manager.getAllScopeStatus()) {
 			result.add(StatusBean.create(status, dslMetadataService, locale));
 		}
 		return result;
 	}

 	/**
 	 * Dispose.
 	 */
 	@PreDestroy
 	protected void dispose() {
 		eventBroker.unsubscribe(changedScopeHandler);
 		eventBroker.unsubscribe(changedValidationsHandler);

 		changedScopeHandler = null;
 		changedValidationsHandler = null;
 		table = null;
 		container = null;
 	}

 	/**
 	 * The Class StatusBean.
 	 */
 	public static class StatusBean {

 		/** The severity image. */
 		@SuppressWarnings("unused")
 		private Resource severityImage;

 		/** The severity. */
 		private Severity severity;

 		/** The bundle symbolic name. */
 		private String bundleSymbolicName;

 		/** The message code. */
 		private String messageCode;

 		/** The message. */
 		private Label message;

 		/** The exception. */
 		private Exception exception;

 		/** The part id. */
 		private String partId;

 		/** The field id. */
 		private String fieldId;

 		/** The part name. */
 		private String partName;

 		/** The field name. */
 		private String fieldName;

 		/** The message path. */
 		private String messagePath;

 		/** The creator class. */
 		private String creatorClass;

 		/** The field value. */
 		private String fieldValue;

 		/**
 		 * Creates the.
 		 *
 		 * @param status
 		 *            the status
 		 * @param i18nService
 		 *            the i18n service
 		 * @param locale
 		 *            the locale
 		 * @return the status bean
 		 */
 		public static StatusBean create(IStatus status, IDSLMetadataService dslMetadataService, Locale locale) {
 			StatusBean bean = new StatusBean();
 			bean.severity = status.getSeverity();
 			bean.bundleSymbolicName = status.getBundleSymblicName();
 			bean.messageCode = status.getCode();
 			bean.fieldValue = (String) status.getProperty(IStatus.PROP_FIELD_VALUE);
 			String errorMessage = dslMetadataService.translate(locale.toLanguageTag(), status.getMessage());
 			if(bean.fieldValue != null) {
 				errorMessage = errorMessage.replace("{0}", bean.fieldValue);
 			}
 			bean.message = new Label(errorMessage,
 					ContentMode.HTML);
 			bean.exception = status.getException();

 			bean.partId = (String) status.getProperty(IStatus.PROP_UI_APPLICATION_ID);
 			bean.fieldId = (String) status.getProperty(IStatus.PROP_FIELD_ID);
 			String fieldI18nKey = (String) status.getProperty(IStatus.PROP_FIELD_I18N_KEY);

 			bean.partName = dslMetadataService.translate(locale.toLanguageTag(), bean.partId);
 			if (fieldI18nKey != null && !fieldI18nKey.equals("")) {
 				bean.fieldName = dslMetadataService.translate(locale.toLanguageTag(), fieldI18nKey);
 			} else {
 				bean.fieldName = dslMetadataService.translate(locale.toLanguageTag(), bean.fieldId);
 			}

 			bean.creatorClass = (String) status.getProperty(IStatus.PROP_CREATOR);
 			bean.messagePath = (String) status.getProperty(IStatus.PROP_JAVAX_PROPERTY_PATH);
 			return bean;
 		}

 		/**
 		 * Gets the severity image.
 		 *
 		 * @return the severityImage
 		 */
 		public Resource getSeverityImage() {
 			switch (severity) {
 			case OK:
 			case INFO:
 				return ResourceUtil.getResource(
 						"platform:/plugin/org.eclipse.osbp.utils.ui/images/info_tsk.png");
 			case WARNING:
 				return ResourceUtil.getResource(
 						"platform:/plugin/org.eclipse.osbp.utils.ui/images/warn_tsk.png");
 			case ERROR:
 			case CRITICAL:
 			case SYSTEMERROR:
 				return ResourceUtil.getResource(
 						"platform:/plugin/org.eclipse.osbp.utils.ui/images/error_tsk.png");
 			default:
 				return null;
 			}
 		}

 		/**
 		 * Sets the severity image.
 		 *
 		 * @param severityImage
 		 *            the severityImage to set
 		 */
 		public void setSeverityImage(Resource severityImage) {
 			this.severityImage = severityImage;
 		}

 		/**
 		 * Gets the severity.
 		 *
 		 * @return the severity
 		 */
 		public Severity getSeverity() {
 			return severity;
 		}

 		/**
 		 * Sets the severity.
 		 *
 		 * @param severity
 		 *            the severity to set
 		 */
 		public void setSeverity(Severity severity) {
 			this.severity = severity;
 		}

 		/**
 		 * Gets the bundle symbolic name.
 		 *
 		 * @return the bundleSymbolicName
 		 */
 		public String getBundleSymbolicName() {
 			return bundleSymbolicName;
 		}

 		/**
 		 * Sets the bundle symbolic name.
 		 *
 		 * @param bundleSymbolicName
 		 *            the bundleSymbolicName to set
 		 */
 		public void setBundleSymbolicName(String bundleSymbolicName) {
 			this.bundleSymbolicName = bundleSymbolicName;
 		}

 		/**
 		 * Gets the message.
 		 *
 		 * @return the message
 		 */
 		public Label getMessage() {
 			return message;
 		}

 		/**
 		 * Sets the message.
 		 *
 		 * @param message
 		 *            the message to set
 		 */
 		public void setMessage(Label message) {
 			this.message = message;
 		}

 		/**
 		 * Gets the exception.
 		 *
 		 * @return the exception
 		 */
 		public Exception getException() {
 			return exception;
 		}

 		/**
 		 * Sets the exception.
 		 *
 		 * @param exception
 		 *            the exception to set
 		 */
 		public void setException(Exception exception) {
 			this.exception = exception;
 		}

 		/**
 		 * Gets the part id.
 		 *
 		 * @return the partId
 		 */
 		public String getPartId() {
 			return partId;
 		}

 		/**
 		 * Sets the part id.
 		 *
 		 * @param partId
 		 *            the partId to set
 		 */
 		public void setPartId(String partId) {
 			this.partId = partId;
 		}

 		/**
 		 * Gets the field id.
 		 *
 		 * @return the fieldId
 		 */
 		public String getFieldId() {
 			return fieldId;
 		}

 		/**
 		 * Sets the field id.
 		 *
 		 * @param fieldId
 		 *            the fieldId to set
 		 */
 		public void setFieldId(String fieldId) {
 			this.fieldId = fieldId;
 		}

 		/**
 		 * Gets the part name.
 		 *
 		 * @return the partName
 		 */
 		public String getPartName() {
 			return partName;
 		}

 		/**
 		 * Sets the part name.
 		 *
 		 * @param partName
 		 *            the partName to set
 		 */
 		public void setPartName(String partName) {
 			this.partName = partName;
 		}

 		/**
 		 * Gets the field name.
 		 *
 		 * @return the fieldName
 		 */
 		public String getFieldName() {
 			return fieldName;
 		}

 		/**
 		 * Sets the field name.
 		 *
 		 * @param fieldName
 		 *            the fieldName to set
 		 */
 		public void setFieldName(String fieldName) {
 			this.fieldName = fieldName;
 		}

 		/**
 		 * Gets the message path.
 		 *
 		 * @return the messagePath
 		 */
 		public String getMessagePath() {
 			return messagePath;
 		}

 		/**
 		 * Sets the message path.
 		 *
 		 * @param messagePath
 		 *            the messagePath to set
 		 */
 		public void setMessagePath(String messagePath) {
 			this.messagePath = messagePath;
 		}

 		/**
 		 * Gets the message code.
 		 *
 		 * @return the messageCode
 		 */
 		public String getMessageCode() {
 			return messageCode;
 		}

 		/**
 		 * Sets the message code.
 		 *
 		 * @param messageCode
 		 *            the messageCode to set
 		 */
 		public void setMessageCode(String messageCode) {
 			this.messageCode = messageCode;
 		}

 		/**
 		 * Gets the creator class.
 		 *
 		 * @return the creatorClass
 		 */
 		public String getCreatorClass() {
 			return creatorClass;
 		}

 		/**
 		 * Sets the creator class.
 		 *
 		 * @param creatorClass
 		 *            the creatorClass to set
 		 */
 		public void setCreatorClass(String creatorClass) {
 			this.creatorClass = creatorClass;
 		}

 	}

 	@Override
 	public void setLocale(Locale locale) {
 		this.locale = locale;
 		if (table != null) {
 			table.setColumnHeader(MESSAGE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE));
 			table.setColumnHeader(FIELD_NAME, dslMetadataService.translate(locale.toLanguageTag(), FIELD_NAME));
 			table.setColumnHeader(PART_NAME, dslMetadataService.translate(locale.toLanguageTag(), PART_NAME));
 			table.setColumnHeader(BUNDLE_SYMBOLIC_NAME,
 					dslMetadataService.translate(locale.toLanguageTag(), BUNDLE_SYMBOLIC_NAME));
 			table.setColumnHeader(SEVERITY, dslMetadataService.translate(locale.toLanguageTag(), SEVERITY));
 			table.setColumnHeader(MESSAGE_PATH, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_PATH));
 			table.setColumnHeader(CREATOR_CLASS, dslMetadataService.translate(locale.toLanguageTag(), CREATOR_CLASS));
 			table.setColumnHeader(MESSAGE_CODE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_CODE));
 			refreshContent();
 		}
 	}
 }
	package org.eclipse.osbp.utils.vaadin.problems;

	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Locale;
	import java.util.Map;
	import java.util.Timer;
	import java.util.TimerTask;

	import javax.annotation.PreDestroy;

	import org.eclipse.e4.core.contexts.IEclipseContext;
	import org.eclipse.e4.core.services.events.IEventBroker;
	import org.eclipse.e4.ui.model.application.ui.advanced.MPerspective;
	import org.eclipse.e4.ui.model.application.ui.basic.MPart;
	import org.eclipse.e4.ui.workbench.modeling.EPartService;
	import org.eclipse.osbp.runtime.common.event.EventDispatcherEvent;
	import org.eclipse.osbp.runtime.common.event.EventDispatcherEvent.EventDispatcherCommand;
	import org.eclipse.osbp.runtime.common.event.IEventDispatcher;
	import org.eclipse.osbp.runtime.common.validation.IStatus;
	import org.eclipse.osbp.runtime.common.validation.IStatus.Severity;
	import org.eclipse.osbp.ui.api.metadata.IDSLMetadataService;
	import org.eclipse.osbp.vaaclipse.addons.common.api.IE4Topics;
	import org.eclipse.osbp.vaaclipse.addons.common.api.ResourceUtil;
	import org.eclipse.osbp.vaaclipse.addons.common.api.status.IStatusManager;
	import org.eclipse.osbp.vaaclipse.addons.common.api.status.IStatusScope;
	import org.osgi.service.event.EventHandler;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import com.vaadin.data.util.BeanItemContainer;
	import com.vaadin.event.ItemClickEvent;
	import com.vaadin.server.Resource;
	import com.vaadin.shared.ui.label.ContentMode;
	import com.vaadin.ui.Component;
	import com.vaadin.ui.Label;
	import com.vaadin.ui.Table;
	import com.vaadin.ui.Table.ColumnHeaderMode;
	import com.vaadin.ui.Table.RowHeaderMode;
	import com.vaadin.ui.UI;
	import com.vaadin.ui.VerticalLayout;

	public class ProblemsViewContent extends VerticalLayout { // NOSONAR
	private static final String MESSAGE_CODE = "messageCode";

	private static final String CREATOR_CLASS = "creatorClass";

	private static final String MESSAGE_PATH = "messagePath";

	private static final String SEVERITY = "severity";

	private static final String BUNDLE_SYMBOLIC_NAME = "bundleSymbolicName";

	private static final String PART_NAME = "partName";

	private static final String FIELD_NAME = "fieldName";

	private static final String MESSAGE = "message";

	/**
	*
	*/
	private static final long serialVersionUID = -8512352376339527845L;

	/** The Constant LOGGER. */
	private static final Logger LOGGER = LoggerFactory.getLogger(ProblemsViewContent.class);

	/** The status manager. */
	private transient IStatusManager statusManager;

	/** The part service. */
	private transient EPartService partService;

	/** The event broker. */
	private transient IEventBroker eventBroker;

	/** The table. */
	private Table table;

	/** The container. */
	private BeanItemContainer<StatusBean> container;

	/** The current timer. */
	private transient Timer currentTimer;

	/** The changed validations handler. */
	private transient EventHandler changedValidationsHandler;

	/** The changed scope handler. */
	private transient EventHandler changedScopeHandler;

	/** The detail label. */
	private Label detailLabel;

	private Locale locale;

	private transient IDSLMetadataService dslMetadataService;

	private String sender;

	private String topic;

	private transient IEventDispatcher eventDispatcher;

	private MPerspective perspective;

	/**
	* Inits the view content.
	*
	* @param locale
	* the locale
	* @return the vertical layout
	*/
	@SuppressWarnings("serial")
	public Component createComponents(IEclipseContext eclipseContext, Locale locale, String sender, String topic) {
	this.sender = sender;
	this.topic = topic;
	eventDispatcher = eclipseContext.get(IEventDispatcher.class);
	dslMetadataService = eclipseContext.get(IDSLMetadataService.class);
	statusManager = eclipseContext.get(IStatusManager.class);
	partService = eclipseContext.get(EPartService.class);
	eventBroker = eclipseContext.get(IEventBroker.class);
	perspective = eclipseContext.get(MPerspective.class);

	this.locale = locale;
	VerticalLayout parent = new VerticalLayout();
	table = new Table();
	table.setSelectable(true);
	table.setSizeFull();
	table.setPageLength(5);
	parent.addComponent(table);

	container = new BeanItemContainer<>(StatusBean.class);
	table.setContainerDataSource(container);

	table.setVisibleColumns(MESSAGE, FIELD_NAME, PART_NAME, BUNDLE_SYMBOLIC_NAME, SEVERITY, MESSAGE_PATH,
	CREATOR_CLASS, MESSAGE_CODE);
	table.setColumnCollapsingAllowed(true);
	table.setColumnCollapsed(SEVERITY, true);
	table.setColumnCollapsed(BUNDLE_SYMBOLIC_NAME, true);
	table.setColumnCollapsed(MESSAGE_PATH, true);
	table.setColumnCollapsed(CREATOR_CLASS, true);
	table.setColumnCollapsed(MESSAGE_CODE, true);

	table.setRowHeaderMode(RowHeaderMode.ICON_ONLY);
	table.setItemIconPropertyId("severityImage");

	table.setColumnHeaderMode(ColumnHeaderMode.EXPLICIT_DEFAULTS_ID);
	table.setColumnHeader(MESSAGE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE));
	table.setColumnHeader(FIELD_NAME, dslMetadataService.translate(locale.toLanguageTag(), FIELD_NAME));
	table.setColumnHeader(PART_NAME, dslMetadataService.translate(locale.toLanguageTag(), PART_NAME));
	table.setColumnHeader(BUNDLE_SYMBOLIC_NAME,
	dslMetadataService.translate(locale.toLanguageTag(), BUNDLE_SYMBOLIC_NAME));
	table.setColumnHeader(SEVERITY, dslMetadataService.translate(locale.toLanguageTag(), SEVERITY));
	table.setColumnHeader(MESSAGE_PATH, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_PATH));
	table.setColumnHeader(CREATOR_CLASS, dslMetadataService.translate(locale.toLanguageTag(), CREATOR_CLASS));
	table.setColumnHeader(MESSAGE_CODE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_CODE));

	table.addItemClickListener(new ItemClickEvent.ItemClickListener() {
	@Override
	public void itemClick(ItemClickEvent event) {
	focusStatus(event);
	}
	});

	table.addValueChangeListener(e -> showDetailMessage((StatusBean) e.getProperty().getValue()));

	detailLabel = new Label();
	detailLabel.setPrimaryStyleName("detailmessage");
	detailLabel.setContentMode(ContentMode.HTML);
	detailLabel.setSizeFull();
	parent.addComponent(detailLabel);
	table.focus();

	parent.setExpandRatio(table, 0.85f);
	parent.setExpandRatio(detailLabel, 0.15f);

	// handle changed validation scopes
	//
	changedScopeHandler = e -> refreshContent();

	// handle changes in validation results
	//
	eventBroker.subscribe(IE4Topics.StatusManagerEvents.ACTIVE_SCOPE_CHANGED_TOPIC, changedScopeHandler);
	changedValidationsHandler = e -> refreshContent();

	eventBroker.subscribe(IE4Topics.StatusManagerEvents.VALIDATIONS_CHANGED_TOPIC, changedValidationsHandler);
	return parent;
	}

	/**
	* Shows the detail message.
	*
	* @param statusBean
	* the status bean
	*/
	protected void showDetailMessage(StatusBean statusBean) {
	if (statusBean != null) {
	detailLabel.setValue(statusBean.getMessage().getValue());
	} else {
	detailLabel.setValue(null);
	}
	}

	/**
	* Tries to put the focus to the field involved in the problem.
	*
	* @param event
	* the event
	*/
	protected void focusStatus(ItemClickEvent event) {
	StatusBean status = (StatusBean) event.getItemId();

	String mPartId = status.getPartId();
	if (mPartId != null && !mPartId.equals("")) {
	MPart mPart = partService.findPart(mPartId);
	if (mPart != null) {
	partService.bringToTop(mPart);
	partService.activate(mPart);

	String fieldId = status.getFieldId();
	if (fieldId != null && !fieldId.equals("")) {
	// send a focus field event to the mpart
	eventBroker.post(IE4Topics.PartEvents.FOCUS_FIELD_TOPIC, createFocusFieldEvent(mPartId, fieldId));
	}
	}
	}
	}

	/**
	* Creates an event to focus a field in a MPart.
	*
	* @param mPartId
	* the m part id
	* @param fieldId
	* the field id
	* @return the map
	*/
	protected Map<String, Object> createFocusFieldEvent(String mPartId, String fieldId) {
	Map<String, Object> properties = new HashMap<>();
	properties.put(IE4Topics.PartEvents.PROP_MPART_ID, mPartId);
	properties.put(IE4Topics.PartEvents.PROP_FIELD_ID, fieldId);
	return properties;
	}

	/**
	* Refreshes the content of the active MPart.
	*/
	protected void refreshContent() {
	synchronized (this) {
	// Wait for 250ms before refreshing the table. Most probably several
	// validation events will
	// arrive in the next milliseconds
	if (currentTimer == null) {
	currentTimer = new Timer();
	currentTimer.schedule(new TimerTask() {
	@Override
	public void run() {
	UI.getCurrent().accessSynchronously(() -> {
	container.removeAllItems();
	IStatusScope scope = statusManager.getActiveScope();
	if (scope != null) {
	container.addAll(mapStatus(scope));
	}
	detailLabel.setValue("");
	LOGGER.debug("{}", "Table refreshed.");
	resetTimer();
	if (container.size() == 0) {
	EventDispatcherEvent evt = new EventDispatcherEvent(perspective, EventDispatcherCommand.CLOSE, topic, sender);
	eventDispatcher.sendEvent(evt);
	} else {
	table.select(container.getIdByIndex(0));
	}
	});
	}
	}, 250);
	LOGGER.debug("{}", "Scheduled Table-Refresh-Timer.");
	} else {
	LOGGER.debug("{}", "Timer already active.");
	}
	}
	}

	/**
	* Reset timer.
	*/
	protected void resetTimer() {
	synchronized (this) {
	currentTimer = null;
	}
	}

	/**
	* Map status.
	*
	* @param scope
	* the scope
	* @return the list
	*/
	protected List<StatusBean> mapStatus(IStatusScope scope) {
	List<StatusBean> result = new ArrayList<>();
	for (IStatus status : scope.getAllStatus()) {
	result.add(StatusBean.create(status, dslMetadataService, locale));
	}
	return result;
	}

	/**
	* Map status.
	*
	* @param manager
	* the manager
	* @return the list
	*/
	protected List<StatusBean> mapStatus(IStatusManager manager) {
	List<StatusBean> result = new ArrayList<>();
	for (IStatus status : manager.getAllScopeStatus()) {
	result.add(StatusBean.create(status, dslMetadataService, locale));
	}
	return result;
	}

	/**
	* Dispose.
	*/
	@PreDestroy
	protected void dispose() {
	eventBroker.unsubscribe(changedScopeHandler);
	eventBroker.unsubscribe(changedValidationsHandler);

	changedScopeHandler = null;
	changedValidationsHandler = null;
	table = null;
	container = null;
	}

	/**
	* The Class StatusBean.
	*/
	public static class StatusBean {

	/** The severity image. */
	@SuppressWarnings("unused")
	private Resource severityImage;

	/** The severity. */
	private Severity severity;

	/** The bundle symbolic name. */
	private String bundleSymbolicName;

	/** The message code. */
	private String messageCode;

	/** The message. */
	private Label message;

	/** The exception. */
	private Exception exception;

	/** The part id. */
	private String partId;

	/** The field id. */
	private String fieldId;

	/** The part name. */
	private String partName;

	/** The field name. */
	private String fieldName;

	/** The message path. */
	private String messagePath;

	/** The creator class. */
	private String creatorClass;

	/** The field value. */
	private String fieldValue;

	/**
	* Creates the.
	*
	* @param status
	* the status
	* @param i18nService
	* the i18n service
	* @param locale
	* the locale
	* @return the status bean
	*/
	public static StatusBean create(IStatus status, IDSLMetadataService dslMetadataService, Locale locale) {
	StatusBean bean = new StatusBean();
	bean.severity = status.getSeverity();
	bean.bundleSymbolicName = status.getBundleSymblicName();
	bean.messageCode = status.getCode();
	bean.fieldValue = (String) status.getProperty(IStatus.PROP_FIELD_VALUE);
	String errorMessage = dslMetadataService.translate(locale.toLanguageTag(), status.getMessage());
	if(bean.fieldValue != null) {
	errorMessage = errorMessage.replace("{0}", bean.fieldValue);
	}
	bean.message = new Label(errorMessage,
	ContentMode.HTML);
	bean.exception = status.getException();

	bean.partId = (String) status.getProperty(IStatus.PROP_UI_APPLICATION_ID);
	bean.fieldId = (String) status.getProperty(IStatus.PROP_FIELD_ID);
	String fieldI18nKey = (String) status.getProperty(IStatus.PROP_FIELD_I18N_KEY);

	bean.partName = dslMetadataService.translate(locale.toLanguageTag(), bean.partId);
	if (fieldI18nKey != null && !fieldI18nKey.equals("")) {
	bean.fieldName = dslMetadataService.translate(locale.toLanguageTag(), fieldI18nKey);
	} else {
	bean.fieldName = dslMetadataService.translate(locale.toLanguageTag(), bean.fieldId);
	}

	bean.creatorClass = (String) status.getProperty(IStatus.PROP_CREATOR);
	bean.messagePath = (String) status.getProperty(IStatus.PROP_JAVAX_PROPERTY_PATH);
	return bean;
	}

	/**
	* Gets the severity image.
	*
	* @return the severityImage
	*/
	public Resource getSeverityImage() {
	switch (severity) {
	case OK:
	case INFO:
	return ResourceUtil.getResource(
	"platform:/plugin/org.eclipse.osbp.utils.ui/images/info_tsk.png");
	case WARNING:
	return ResourceUtil.getResource(
	"platform:/plugin/org.eclipse.osbp.utils.ui/images/warn_tsk.png");
	case ERROR:
	case CRITICAL:
	case SYSTEMERROR:
	return ResourceUtil.getResource(
	"platform:/plugin/org.eclipse.osbp.utils.ui/images/error_tsk.png");
	default:
	return null;
	}
	}

	/**
	* Sets the severity image.
	*
	* @param severityImage
	* the severityImage to set
	*/
	public void setSeverityImage(Resource severityImage) {
	this.severityImage = severityImage;
	}

	/**
	* Gets the severity.
	*
	* @return the severity
	*/
	public Severity getSeverity() {
	return severity;
	}

	/**
	* Sets the severity.
	*
	* @param severity
	* the severity to set
	*/
	public void setSeverity(Severity severity) {
	this.severity = severity;
	}

	/**
	* Gets the bundle symbolic name.
	*
	* @return the bundleSymbolicName
	*/
	public String getBundleSymbolicName() {
	return bundleSymbolicName;
	}

	/**
	* Sets the bundle symbolic name.
	*
	* @param bundleSymbolicName
	* the bundleSymbolicName to set
	*/
	public void setBundleSymbolicName(String bundleSymbolicName) {
	this.bundleSymbolicName = bundleSymbolicName;
	}

	/**
	* Gets the message.
	*
	* @return the message
	*/
	public Label getMessage() {
	return message;
	}

	/**
	* Sets the message.
	*
	* @param message
	* the message to set
	*/
	public void setMessage(Label message) {
	this.message = message;
	}

	/**
	* Gets the exception.
	*
	* @return the exception
	*/
	public Exception getException() {
	return exception;
	}

	/**
	* Sets the exception.
	*
	* @param exception
	* the exception to set
	*/
	public void setException(Exception exception) {
	this.exception = exception;
	}

	/**
	* Gets the part id.
	*
	* @return the partId
	*/
	public String getPartId() {
	return partId;
	}

	/**
	* Sets the part id.
	*
	* @param partId
	* the partId to set
	*/
	public void setPartId(String partId) {
	this.partId = partId;
	}

	/**
	* Gets the field id.
	*
	* @return the fieldId
	*/
	public String getFieldId() {
	return fieldId;
	}

	/**
	* Sets the field id.
	*
	* @param fieldId
	* the fieldId to set
	*/
	public void setFieldId(String fieldId) {
	this.fieldId = fieldId;
	}

	/**
	* Gets the part name.
	*
	* @return the partName
	*/
	public String getPartName() {
	return partName;
	}

	/**
	* Sets the part name.
	*
	* @param partName
	* the partName to set
	*/
	public void setPartName(String partName) {
	this.partName = partName;
	}

	/**
	* Gets the field name.
	*
	* @return the fieldName
	*/
	public String getFieldName() {
	return fieldName;
	}

	/**
	* Sets the field name.
	*
	* @param fieldName
	* the fieldName to set
	*/
	public void setFieldName(String fieldName) {
	this.fieldName = fieldName;
	}

	/**
	* Gets the message path.
	*
	* @return the messagePath
	*/
	public String getMessagePath() {
	return messagePath;
	}

	/**
	* Sets the message path.
	*
	* @param messagePath
	* the messagePath to set
	*/
	public void setMessagePath(String messagePath) {
	this.messagePath = messagePath;
	}

	/**
	* Gets the message code.
	*
	* @return the messageCode
	*/
	public String getMessageCode() {
	return messageCode;
	}

	/**
	* Sets the message code.
	*
	* @param messageCode
	* the messageCode to set
	*/
	public void setMessageCode(String messageCode) {
	this.messageCode = messageCode;
	}

	/**
	* Gets the creator class.
	*
	* @return the creatorClass
	*/
	public String getCreatorClass() {
	return creatorClass;
	}

	/**
	* Sets the creator class.
	*
	* @param creatorClass
	* the creatorClass to set
	*/
	public void setCreatorClass(String creatorClass) {
	this.creatorClass = creatorClass;
	}

	}

	@Override
	public void setLocale(Locale locale) {
	this.locale = locale;
	if (table != null) {
	table.setColumnHeader(MESSAGE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE));
	table.setColumnHeader(FIELD_NAME, dslMetadataService.translate(locale.toLanguageTag(), FIELD_NAME));
	table.setColumnHeader(PART_NAME, dslMetadataService.translate(locale.toLanguageTag(), PART_NAME));
	table.setColumnHeader(BUNDLE_SYMBOLIC_NAME,
	dslMetadataService.translate(locale.toLanguageTag(), BUNDLE_SYMBOLIC_NAME));
	table.setColumnHeader(SEVERITY, dslMetadataService.translate(locale.toLanguageTag(), SEVERITY));
	table.setColumnHeader(MESSAGE_PATH, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_PATH));
	table.setColumnHeader(CREATOR_CLASS, dslMetadataService.translate(locale.toLanguageTag(), CREATOR_CLASS));
	table.setColumnHeader(MESSAGE_CODE, dslMetadataService.translate(locale.toLanguageTag(), MESSAGE_CODE));
	refreshContent();
	}
	}
	}