org.eclipse.osbp.runtime.web.ecview.presentation.vaadin/src/org/eclipse/osbp/runtime/web/ecview/presentation/vaadin/internal/DateTimePresentation.java - osbp/org.eclipse.osbp.runtime.web - Git at Google

 /**
  * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), 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 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *         Florian Pirchner - Initial implementation
  */
 package org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal;

 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.Locale;

 import org.eclipse.core.databinding.Binding;
 import org.eclipse.core.databinding.observable.IObservable;
 import org.eclipse.core.databinding.observable.value.IObservableValue;
 import org.eclipse.emf.databinding.EMFObservables;
 import org.eclipse.osbp.ecview.core.common.editpart.IElementEditpart;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint;
 import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableValueEndpoint;
 import org.eclipse.osbp.ecview.core.common.model.datatypes.YDatatype;
 import org.eclipse.osbp.ecview.core.emf.api.IDateFormatProvider;
 import org.eclipse.osbp.ecview.core.emf.api.IDateFormatProvider.Info;
 import org.eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeDatatype;
 import org.eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeFormat;
 import org.eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeResolution;
 import org.eclipse.osbp.ecview.core.extension.model.extension.ExtensionModelPackage;
 import org.eclipse.osbp.ecview.core.extension.model.extension.YDateTime;
 import org.eclipse.osbp.ecview.core.ui.core.editparts.extension.IDateTimeEditpart;
 import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter;
 import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal.util.Util;

 import com.vaadin.data.util.ObjectProperty;
 import com.vaadin.server.ErrorMessage;
 import com.vaadin.server.FontAwesome;
 import com.vaadin.shared.ui.datefield.Resolution;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.ComponentContainer;
 import com.vaadin.ui.DateField;
 import com.vaadin.ui.Field;
 import com.vaadin.ui.HorizontalLayout;
 import com.vaadin.ui.UI;
 import com.vaadin.ui.themes.ValoTheme;

 /**
  * This presenter is responsible to render a text area on the given layout.
  */
 public class DateTimePresentation extends AbstractFieldWidgetPresenter<Component> {

 	/** The model access. */
 	private final ModelAccess modelAccess;

 	/** The date field. */
 	private CustomField dateField;

 	/** The binding_value to ui. */
 	private Binding binding_valueToUI;

 	/** The property. */
 	private ObjectProperty<Date> property;

 	/** The format info. */
 	private Info formatInfo;

 	/**
 	 * Constructor.
 	 *
 	 * @param editpart
 	 *            The editpart of that presenter
 	 */
 	public DateTimePresentation(IElementEditpart editpart) {
 		super((IDateTimeEditpart) editpart);
 		this.modelAccess = new ModelAccess((YDateTime) editpart.getModel());
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	public Component doCreateWidget(Object parent) {
 		if (dateField == null) {
 			dateField = new CustomField();
 			dateField.initField();
 			dateField.addStyleName(CSS_CLASS_CONTROL);
 			dateField.setImmediate(true);
 			setupComponent(dateField.field, getCastedModel());

 			associateWidget(dateField.field, modelAccess.yField);
 			if (modelAccess.isCssIdValid()) {
 				dateField.setId(modelAccess.getCssID());
 			} else {
 				dateField.setId(getEditpart().getId());
 			}

 			property = new ObjectProperty<>(null, Date.class);
 			dateField.setPropertyDataSource(property);

 			// creates the binding for the field
 			createBindings(modelAccess.yField, dateField);

 			if (modelAccess.isCssClassValid()) {
 				dateField.addStyleName(modelAccess.getCssClass());
 			}

 			doApplyDatatype(modelAccess.yField.getDatatype());

 			applyCaptions();

 			initializeField(dateField);
 		}
 		return dateField;
 	}

 	/**
 	 * Applies the datatype options to the field.
 	 *
 	 * @param yDt
 	 *            the y dt
 	 */
 	@Override
 	protected void doApplyDatatype(YDatatype yDt) {
 		if (dateField == null) {
 			return;
 		}

 		IDateFormatProvider service = getViewContext().getService(IDateFormatProvider.class.getName());
 		YDateTimeDatatype yDatatype = (YDateTimeDatatype) yDt;
 		if (service != null) {
 			formatInfo = service.getInfo(yDatatype, UI.getCurrent().getLocale());
 		} else {
 			formatInfo = new DefaultDateFormatProvider().getInfo(yDatatype, UI.getCurrent().getLocale());
 		}
 		if ( yDatatype != null )  {
 			dateField.setShowISOWeekNumber(yDatatype.isShowISOWeekNumbersActive());
 		} else {
 			dateField.setShowISOWeekNumber(false);
 		}
 		dateField.setDateFormat(formatInfo.getDateFormat());
 		dateField.setResolution(mapToVaadin(formatInfo.getResolution()));
 	}

 	/**
 	 * Map to vaadin.
 	 *
 	 * @param resolution
 	 *            the resolution
 	 * @return the resolution
 	 */
 	private Resolution mapToVaadin(YDateTimeResolution resolution) {
 		switch (resolution) {
 		case YEAR:
 			return Resolution.YEAR;
 		case MONTH:
 			return Resolution.MONTH;
 		case DAY:
 			return Resolution.DAY;
 		case HOUR:
 			return Resolution.HOUR;
 		case MINUTE:
 			return Resolution.MINUTE;
 		case SECOND:
 			return Resolution.SECOND;
 		case UNDEFINED:
 			return Resolution.DAY;
 		}

 		return Resolution.DAY;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
 	 * AbstractVaadinWidgetPresenter#doUpdateLocale(java.util.Locale)
 	 */
 	@Override
 	protected void doUpdateLocale(Locale locale) {
 		// need to refresh the locale datetime pattern
 		doApplyDatatype(modelAccess.yField.getDatatype());
 		// update the captions
 		applyCaptions();
 	}

 	/**
 	 * Applies the labels to the widgets.
 	 */
 	protected void applyCaptions() {
 		Util.applyCaptions(getI18nService(), modelAccess.getLabel(), modelAccess.getLabelI18nKey(), getLocale(),
 				dateField);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
 	 * AbstractFieldWidgetPresenter#doGetField()
 	 */
 	@Override
 	protected Field<?> doGetField() {
 		return dateField;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
 	 * AbstractVaadinWidgetPresenter#internalGetObservableEndpoint(org.eclipse.
 	 * osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint)
 	 */
 	@Override
 	protected IObservable internalGetObservableEndpoint(YEmbeddableBindingEndpoint bindableValue) {
 		if (bindableValue == null) {
 			throw new IllegalArgumentException("BindableValue must not be null!");
 		}

 		if (bindableValue instanceof YEmbeddableValueEndpoint) {
 			return internalGetValueEndpoint();
 		}
 		throw new IllegalArgumentException("Not a valid input: " + bindableValue);
 	}

 	/**
 	 * Returns the observable to observe value.
 	 *
 	 * @return the i observable value
 	 */
 	protected IObservableValue internalGetValueEndpoint() {
 		// return the observable value for text
 		return EMFObservables.observeValue(castEObject(getModel()), ExtensionModelPackage.Literals.YDATE_TIME__VALUE);
 	}

 	/**
 	 * Creates the bindings for the given values.
 	 *
 	 * @param yField
 	 *            the y field
 	 * @param customfield
 	 *            the field
 	 */
 	protected void createBindings(YDateTime yField, CustomField customfield) {
 		// create the model binding from widget to ECView-model
 		binding_valueToUI = createBindingsValue(castEObject(getModel()),
 				ExtensionModelPackage.Literals.YDATE_TIME__VALUE, customfield.field, null, null);
 		registerBinding(binding_valueToUI);

 		super.createBindings(yField, customfield.field, null);
 	}


 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see
 	 * org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#
 	 * getWidget()
 	 */
 	@Override
 	public Component getWidget() {
 		return dateField;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see
 	 * org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#
 	 * isRendered()
 	 */
 	@Override
 	public boolean isRendered() {
 		return dateField != null;
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	public void doUnrender() {
 		if (dateField != null) {

 			// unbind all active bindings
 			unbind();

 			Component parent = (dateField.getParent());
 			if (parent != null && parent instanceof ComponentContainer) {
 				((ComponentContainer) parent).removeComponent(dateField);
 			}

 			// remove assocations
 			unassociateWidget(dateField);

 			dateField = null;
 		}
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	protected void internalDispose() {
 		try {
 			unrender();
 		} finally {
 			super.internalDispose();
 		}

 		if (binding_valueToUI != null) {
 			binding_valueToUI.dispose();
 			binding_valueToUI = null;
 		}
 	}

 	/**
 	 * A helper class.
 	 */
 	private static class ModelAccess {

 		/** The y field. */
 		private final YDateTime yField;

 		/**
 		 * Instantiates a new model access.
 		 *
 		 * @param yField
 		 *            the y field
 		 */
 		public ModelAccess(YDateTime yField) {
 			super();
 			this.yField = yField;
 		}

 		/**
 		 * Gets the css class.
 		 *
 		 * @return the css class
 		 * @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssClass()
 		 */
 		public String getCssClass() {
 			return yField.getCssClass();
 		}

 		/**
 		 * Returns true, if the css class is not null and not empty.
 		 *
 		 * @return true, if is css class valid
 		 */
 		public boolean isCssClassValid() {
 			return getCssClass() != null && !getCssClass().equals("");
 		}

 		/**
 		 * Gets the css id.
 		 *
 		 * @return the css id
 		 * @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssID()
 		 */
 		public String getCssID() {
 			return yField.getCssID();
 		}

 		/**
 		 * Returns true, if the css id is not null and not empty.
 		 *
 		 * @return true, if is css id valid
 		 */
 		public boolean isCssIdValid() {
 			return getCssID() != null && !getCssID().equals("");
 		}

 		/**
 		 * Returns the label.
 		 *
 		 * @return the label
 		 */
 		public String getLabel() {
 			return yField.getDatadescription() != null ? yField.getDatadescription().getLabel() : null;
 		}

 		/**
 		 * Returns the label.
 		 *
 		 * @return the label i18n key
 		 */
 		public String getLabelI18nKey() {
 			return yField.getDatadescription() != null ? yField.getDatadescription().getLabelI18nKey() : null;
 		}

 		/**
 		 * Returns true, if the date format is valid.
 		 *
 		 * @return true, if is dateformat valid
 		 */
 		@SuppressWarnings("unused")
 		public boolean isDateformatValid() {
 			return yField.getDatadescription() != null && yField.getDatatype().getFormat() != null;
 		}
 	}

 	/**
 	 * The Class CustomField.
 	 */
 	@SuppressWarnings("serial")
 	private class CustomField extends com.vaadin.ui.CustomField<Date> {
 		private DateField field;
 		private Button resetDate;
 		private ObjectProperty<Date> property;
 		private boolean showISOWeekNumber;

 		@Override
 		protected Component initContent() {
 			field.setShowISOWeekNumbers(showISOWeekNumber);
 			property.addValueChangeListener(e -> {
 				super.setValue((Date) e.getProperty().getValue());
 			});
 			resetDate = new Button();
 			resetDate.setIcon(FontAwesome.CALENDAR_CHECK_O);
 			resetDate.addClickListener(e -> {
 				property.setValue(new Date(System.currentTimeMillis()));
 				super.focus();
 			});

 			setFocusDelegate(field);

 			resetDate.setVisible(field.isVisible());
 			resetDate.setEnabled(field.isEnabled());
 			if(field.isReadOnly()){
 				resetDate.setVisible(false);
 			}

 			HorizontalLayout layout = new HorizontalLayout(field, resetDate);
 			layout.setStyleName(ValoTheme.LAYOUT_COMPONENT_GROUP);
 			return layout;
 		}

 		public void setShowISOWeekNumber(boolean value) {
 			showISOWeekNumber = value;
 		}

 		void initField(){
 			field = new DateField();
 		}

 		public void setResolution(Resolution res) {
 			field.setResolution(res);
 		}

 		public void setDateFormat(String dateFormat) {
 			field.setDateFormat(dateFormat);
 		}

 		public void setPropertyDataSource(ObjectProperty<Date> property){
 			this.property = property;
 			field.setPropertyDataSource(property);
 		}

 		@Override
 		public Class<Date> getType() {
 			return Date.class;
 		}

 		@Override
 		protected void setInternalValue(Date newValue) {
 			super.setInternalValue(newValue);

 			if (property != null) {
 				property.setValue(newValue);
 			}
 		}

 		/*
 		 * (non-Javadoc)
 		 *
 		 * @see com.vaadin.ui.AbstractField#getErrorMessage()
 		 */
 		@Override
 		public ErrorMessage getErrorMessage() {
 			if (isDisposed()) {
 				// after disposal, Vaadin will call this method once.
 				return null;
 			}

 			ErrorMessage message = super.getErrorMessage();
 			reportValidationError(message);
 			return message;
 		}
 	}

 	/**
 	 * The Class DefaultDateFormatProvider.
 	 */
 	private static class DefaultDateFormatProvider implements IDateFormatProvider {

 		/*
 		 * (non-Javadoc)
 		 *
 		 * @see
 		 * org.eclipse.osbp.ecview.core.emf.api.IDateFormatProvider#getInfo(org.
 		 * eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeDatatype,
 		 * java.util.Locale)
 		 */
 		@Override
 		public Info getInfo(YDateTimeDatatype yDt, Locale locale) {

 			if (yDt == null) {
 				DateFormat formatter = DateFormat.getDateInstance(DateFormat.DEFAULT, locale);
 				return new IDateFormatProvider.Info(((SimpleDateFormat) formatter).toPattern(),
 						YDateTimeResolution.DAY);
 			}

 			DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, locale);
 			String pattern = ((SimpleDateFormat) formatter).toPattern();

 			String dateFormat = null;
 			String rightpattern = null;
 			YDateTimeResolution resolution = calcResolution(yDt);
 			YDateTimeFormat yFormat = yDt.getFormat();
 			if (yFormat != null) {
 				switch (yFormat) {
 				case DATE:
 					switch (resolution) {
 					case YEAR:
 						dateFormat = filterFormat(pattern, "yyyy");
 						break;
 					case MONTH:
 						dateFormat = filterFormat(pattern, "yyyy.MM");
 						break;
 					case DAY:
 						dateFormat = filterFormat(pattern, "yyyy.MM.dd");
 						break;
 					default:
 						throw new IllegalArgumentException(resolution + " is not a valid resolution for " + yFormat);
 					}
 					break;
 				case DATE_TIME:
 					switch (resolution) {
 					case YEAR:
 						dateFormat = filterFormat(pattern, "yyyy");
 						break;
 					case MONTH:
 						dateFormat = filterFormat(pattern, "yyyy.MM");
 						break;
 					case DAY:
 						dateFormat = filterFormat(pattern, "yyyy.MM.dd");
 						break;
 					case HOUR:
 						rightpattern = pattern.contains("a") ? "yyyy.MM.dd hhHH a" : "yyyy.MM.dd hhHH";
 						dateFormat = filterFormat(pattern, rightpattern);
 						break;
 					case MINUTE:
 						rightpattern = pattern.contains("a") ? "yyyy.MM.dd hhHH:mm a" : "yyyy.MM.dd hhHH:mm";
 						dateFormat = filterFormat(pattern, rightpattern);
 						break;
 					case SECOND:
 						rightpattern = pattern.contains("a") ? "yyyy.MM.dd hhHH:mm:ss a" : "yyyy.MM.dd hhHH:mm:ss";
 						dateFormat = filterFormat(pattern, rightpattern);
 						break;
 					default:
 						throw new IllegalArgumentException(resolution + " is not a valid resolution for " + yFormat);
 					}
 					break;
 				case TIME:
 					switch (resolution) {
 					case HOUR:
 						rightpattern = pattern.contains("a") ? "hhHH a" : "hhHH";
 						dateFormat = filterFormat(pattern, rightpattern);
 						break;
 					case MINUTE:
 						rightpattern = pattern.contains("a") ? "hhHH:mm a" : "hhHH:mm";
 						dateFormat = filterFormat(pattern, rightpattern);
 						break;
 					case SECOND:
 						rightpattern = pattern.contains("a") ? "hhHH:mm:ss a" : "hhHH:mm:ss";
 						dateFormat = filterFormat(pattern, rightpattern);
 						break;
 					default:
 						throw new IllegalArgumentException(resolution + " is not a valid resolution for " + yFormat);
 					}
 					break;
 				}
 			}
 			return new IDateFormatProvider.Info(dateFormat, resolution);
 		}

 		/**
 		 * filters from any localized date-time pattern the desired subset
 		 * defined by filterPattern without destroying the original localized
 		 * pattern .
 		 *
 		 * @param localizedPattern
 		 *            the localized full date-time pattern
 		 * @param filterPattern
 		 *            the subset of desired date-time formatter patterns
 		 * @return the string
 		 */
 		private String filterFormat(String localizedPattern, String filterPattern) {
 			// remove any multiple characters sequences and remove all separator
 			// signs from filterPattern
 			String filter = filterPattern.replaceAll("(.)\\1+", "$1").replaceAll("[^\\w\\s]", "") + ",";
 			// create a replacement pattern to remove unnecessary blanks
 			// disturbing the recognition of orphaned separators
 			// rule: each blank must be surrounded by any filter-letter to be
 			// valid
 			String invalidBlanks = "(?![" + filter + "])( )(?![" + filter + "])";
 			// create a replacement pattern to remove remaining separators
 			// without formatting function
 			// rule: each separator must be surrounded by any filter-letter or
 			// blank to be valid
 			String invalidSeparators = "(?![" + filter + " ])([.:])(?![" + filter + " ])";

 			String dateFormat = localizedPattern.replaceAll("[^" + filter + ",.: ]", "").replaceAll(invalidBlanks, "").trim()
 					.replaceAll(invalidSeparators, "");
 			if(dateFormat.startsWith(",") || dateFormat.startsWith(".")){ dateFormat = dateFormat.substring(1); }
 			return dateFormat;
 		}

 		/**
 		 * Calc resolution.
 		 *
 		 * @param yDt
 		 *            the y dt
 		 * @return the y date time resolution
 		 */
 		private YDateTimeResolution calcResolution(YDateTimeDatatype yDt) {
 			YDateTimeFormat yFormat = yDt.getFormat();
 			YDateTimeResolution resolution = null;
 			if (yFormat != null) {
 				YDateTimeResolution yResolution = yDt.getResolution();
 				switch (yFormat) {
 				case DATE:
 					if (yResolution == YDateTimeResolution.UNDEFINED || yResolution == YDateTimeResolution.SECOND
 							|| yResolution == YDateTimeResolution.MINUTE || yResolution == YDateTimeResolution.HOUR) {
 						resolution = YDateTimeResolution.DAY;
 					}
 					break;
 				case DATE_TIME:
 					if (yResolution == YDateTimeResolution.UNDEFINED || yResolution == YDateTimeResolution.DAY
 							|| yResolution == YDateTimeResolution.MONTH || yResolution == YDateTimeResolution.YEAR) {
 						resolution = YDateTimeResolution.MINUTE;
 					}
 					break;
 				case TIME:
 					if (yResolution == YDateTimeResolution.UNDEFINED || yResolution == YDateTimeResolution.DAY
 							|| yResolution == YDateTimeResolution.MONTH || yResolution == YDateTimeResolution.YEAR) {
 						resolution = YDateTimeResolution.MINUTE;
 					}
 					break;
 				}
 			}

 			if (resolution == null) {
 				switch (yDt.getResolution()) {
 				case SECOND:
 					resolution = YDateTimeResolution.SECOND;
 					break;
 				case MINUTE:
 					resolution = YDateTimeResolution.MINUTE;
 					break;
 				case HOUR:
 					resolution = YDateTimeResolution.HOUR;
 					break;
 				case DAY:
 					resolution = YDateTimeResolution.DAY;
 					break;
 				case MONTH:
 					resolution = YDateTimeResolution.MONTH;
 					break;
 				case YEAR:
 					resolution = YDateTimeResolution.YEAR;
 					break;
 				case UNDEFINED:
 					resolution = YDateTimeResolution.MINUTE;
 					break;
 				default:
 					resolution = YDateTimeResolution.MINUTE;
 				}
 			}

 			return resolution;
 		}

 	}
 }
	/**
	* Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), 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 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Florian Pirchner - Initial implementation
	*/
	package org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal;

	import java.text.DateFormat;
	import java.text.SimpleDateFormat;
	import java.util.Date;
	import java.util.Locale;

	import org.eclipse.core.databinding.Binding;
	import org.eclipse.core.databinding.observable.IObservable;
	import org.eclipse.core.databinding.observable.value.IObservableValue;
	import org.eclipse.emf.databinding.EMFObservables;
	import org.eclipse.osbp.ecview.core.common.editpart.IElementEditpart;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint;
	import org.eclipse.osbp.ecview.core.common.model.core.YEmbeddableValueEndpoint;
	import org.eclipse.osbp.ecview.core.common.model.datatypes.YDatatype;
	import org.eclipse.osbp.ecview.core.emf.api.IDateFormatProvider;
	import org.eclipse.osbp.ecview.core.emf.api.IDateFormatProvider.Info;
	import org.eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeDatatype;
	import org.eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeFormat;
	import org.eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeResolution;
	import org.eclipse.osbp.ecview.core.extension.model.extension.ExtensionModelPackage;
	import org.eclipse.osbp.ecview.core.extension.model.extension.YDateTime;
	import org.eclipse.osbp.ecview.core.ui.core.editparts.extension.IDateTimeEditpart;
	import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter;
	import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal.util.Util;

	import com.vaadin.data.util.ObjectProperty;
	import com.vaadin.server.ErrorMessage;
	import com.vaadin.server.FontAwesome;
	import com.vaadin.shared.ui.datefield.Resolution;
	import com.vaadin.ui.Button;
	import com.vaadin.ui.Component;
	import com.vaadin.ui.ComponentContainer;
	import com.vaadin.ui.DateField;
	import com.vaadin.ui.Field;
	import com.vaadin.ui.HorizontalLayout;
	import com.vaadin.ui.UI;
	import com.vaadin.ui.themes.ValoTheme;

	/**
	* This presenter is responsible to render a text area on the given layout.
	*/
	public class DateTimePresentation extends AbstractFieldWidgetPresenter<Component> {

	/** The model access. */
	private final ModelAccess modelAccess;

	/** The date field. */
	private CustomField dateField;

	/** The binding_value to ui. */
	private Binding binding_valueToUI;

	/** The property. */
	private ObjectProperty<Date> property;

	/** The format info. */
	private Info formatInfo;

	/**
	* Constructor.
	*
	* @param editpart
	* The editpart of that presenter
	*/
	public DateTimePresentation(IElementEditpart editpart) {
	super((IDateTimeEditpart) editpart);
	this.modelAccess = new ModelAccess((YDateTime) editpart.getModel());
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public Component doCreateWidget(Object parent) {
	if (dateField == null) {
	dateField = new CustomField();
	dateField.initField();
	dateField.addStyleName(CSS_CLASS_CONTROL);
	dateField.setImmediate(true);
	setupComponent(dateField.field, getCastedModel());

	associateWidget(dateField.field, modelAccess.yField);
	if (modelAccess.isCssIdValid()) {
	dateField.setId(modelAccess.getCssID());
	} else {
	dateField.setId(getEditpart().getId());
	}

	property = new ObjectProperty<>(null, Date.class);
	dateField.setPropertyDataSource(property);

	// creates the binding for the field
	createBindings(modelAccess.yField, dateField);

	if (modelAccess.isCssClassValid()) {
	dateField.addStyleName(modelAccess.getCssClass());
	}

	doApplyDatatype(modelAccess.yField.getDatatype());

	applyCaptions();

	initializeField(dateField);
	}
	return dateField;
	}

	/**
	* Applies the datatype options to the field.
	*
	* @param yDt
	* the y dt
	*/
	@Override
	protected void doApplyDatatype(YDatatype yDt) {
	if (dateField == null) {
	return;
	}

	IDateFormatProvider service = getViewContext().getService(IDateFormatProvider.class.getName());
	YDateTimeDatatype yDatatype = (YDateTimeDatatype) yDt;
	if (service != null) {
	formatInfo = service.getInfo(yDatatype, UI.getCurrent().getLocale());
	} else {
	formatInfo = new DefaultDateFormatProvider().getInfo(yDatatype, UI.getCurrent().getLocale());
	}
	if ( yDatatype != null ) {
	dateField.setShowISOWeekNumber(yDatatype.isShowISOWeekNumbersActive());
	} else {
	dateField.setShowISOWeekNumber(false);
	}
	dateField.setDateFormat(formatInfo.getDateFormat());
	dateField.setResolution(mapToVaadin(formatInfo.getResolution()));
	}

	/**
	* Map to vaadin.
	*
	* @param resolution
	* the resolution
	* @return the resolution
	*/
	private Resolution mapToVaadin(YDateTimeResolution resolution) {
	switch (resolution) {
	case YEAR:
	return Resolution.YEAR;
	case MONTH:
	return Resolution.MONTH;
	case DAY:
	return Resolution.DAY;
	case HOUR:
	return Resolution.HOUR;
	case MINUTE:
	return Resolution.MINUTE;
	case SECOND:
	return Resolution.SECOND;
	case UNDEFINED:
	return Resolution.DAY;
	}

	return Resolution.DAY;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
	* AbstractVaadinWidgetPresenter#doUpdateLocale(java.util.Locale)
	*/
	@Override
	protected void doUpdateLocale(Locale locale) {
	// need to refresh the locale datetime pattern
	doApplyDatatype(modelAccess.yField.getDatatype());
	// update the captions
	applyCaptions();
	}

	/**
	* Applies the labels to the widgets.
	*/
	protected void applyCaptions() {
	Util.applyCaptions(getI18nService(), modelAccess.getLabel(), modelAccess.getLabelI18nKey(), getLocale(),
	dateField);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
	* AbstractFieldWidgetPresenter#doGetField()
	*/
	@Override
	protected Field<?> doGetField() {
	return dateField;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
	* AbstractVaadinWidgetPresenter#internalGetObservableEndpoint(org.eclipse.
	* osbp.ecview.core.common.model.core.YEmbeddableBindingEndpoint)
	*/
	@Override
	protected IObservable internalGetObservableEndpoint(YEmbeddableBindingEndpoint bindableValue) {
	if (bindableValue == null) {
	throw new IllegalArgumentException("BindableValue must not be null!");
	}

	if (bindableValue instanceof YEmbeddableValueEndpoint) {
	return internalGetValueEndpoint();
	}
	throw new IllegalArgumentException("Not a valid input: " + bindableValue);
	}

	/**
	* Returns the observable to observe value.
	*
	* @return the i observable value
	*/
	protected IObservableValue internalGetValueEndpoint() {
	// return the observable value for text
	return EMFObservables.observeValue(castEObject(getModel()), ExtensionModelPackage.Literals.YDATE_TIME__VALUE);
	}

	/**
	* Creates the bindings for the given values.
	*
	* @param yField
	* the y field
	* @param customfield
	* the field
	*/
	protected void createBindings(YDateTime yField, CustomField customfield) {
	// create the model binding from widget to ECView-model
	binding_valueToUI = createBindingsValue(castEObject(getModel()),
	ExtensionModelPackage.Literals.YDATE_TIME__VALUE, customfield.field, null, null);
	registerBinding(binding_valueToUI);

	super.createBindings(yField, customfield.field, null);
	}



	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#
	* getWidget()
	*/
	@Override
	public Component getWidget() {
	return dateField;
	}

	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.osbp.ecview.core.common.presentation.IWidgetPresentation#
	* isRendered()
	*/
	@Override
	public boolean isRendered() {
	return dateField != null;
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void doUnrender() {
	if (dateField != null) {

	// unbind all active bindings
	unbind();

	Component parent = (dateField.getParent());
	if (parent != null && parent instanceof ComponentContainer) {
	((ComponentContainer) parent).removeComponent(dateField);
	}

	// remove assocations
	unassociateWidget(dateField);

	dateField = null;
	}
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	protected void internalDispose() {
	try {
	unrender();
	} finally {
	super.internalDispose();
	}

	if (binding_valueToUI != null) {
	binding_valueToUI.dispose();
	binding_valueToUI = null;
	}
	}

	/**
	* A helper class.
	*/
	private static class ModelAccess {

	/** The y field. */
	private final YDateTime yField;

	/**
	* Instantiates a new model access.
	*
	* @param yField
	* the y field
	*/
	public ModelAccess(YDateTime yField) {
	super();
	this.yField = yField;
	}

	/**
	* Gets the css class.
	*
	* @return the css class
	* @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssClass()
	*/
	public String getCssClass() {
	return yField.getCssClass();
	}

	/**
	* Returns true, if the css class is not null and not empty.
	*
	* @return true, if is css class valid
	*/
	public boolean isCssClassValid() {
	return getCssClass() != null && !getCssClass().equals("");
	}

	/**
	* Gets the css id.
	*
	* @return the css id
	* @see org.eclipse.osbp.ecview.core.ui.core.model.core.YCssAble#getCssID()
	*/
	public String getCssID() {
	return yField.getCssID();
	}

	/**
	* Returns true, if the css id is not null and not empty.
	*
	* @return true, if is css id valid
	*/
	public boolean isCssIdValid() {
	return getCssID() != null && !getCssID().equals("");
	}

	/**
	* Returns the label.
	*
	* @return the label
	*/
	public String getLabel() {
	return yField.getDatadescription() != null ? yField.getDatadescription().getLabel() : null;
	}

	/**
	* Returns the label.
	*
	* @return the label i18n key
	*/
	public String getLabelI18nKey() {
	return yField.getDatadescription() != null ? yField.getDatadescription().getLabelI18nKey() : null;
	}

	/**
	* Returns true, if the date format is valid.
	*
	* @return true, if is dateformat valid
	*/
	@SuppressWarnings("unused")
	public boolean isDateformatValid() {
	return yField.getDatadescription() != null && yField.getDatatype().getFormat() != null;
	}
	}

	/**
	* The Class CustomField.
	*/
	@SuppressWarnings("serial")
	private class CustomField extends com.vaadin.ui.CustomField<Date> {
	private DateField field;
	private Button resetDate;
	private ObjectProperty<Date> property;
	private boolean showISOWeekNumber;

	@Override
	protected Component initContent() {
	field.setShowISOWeekNumbers(showISOWeekNumber);
	property.addValueChangeListener(e -> {
	super.setValue((Date) e.getProperty().getValue());
	});
	resetDate = new Button();
	resetDate.setIcon(FontAwesome.CALENDAR_CHECK_O);
	resetDate.addClickListener(e -> {
	property.setValue(new Date(System.currentTimeMillis()));
	super.focus();
	});

	setFocusDelegate(field);

	resetDate.setVisible(field.isVisible());
	resetDate.setEnabled(field.isEnabled());
	if(field.isReadOnly()){
	resetDate.setVisible(false);
	}

	HorizontalLayout layout = new HorizontalLayout(field, resetDate);
	layout.setStyleName(ValoTheme.LAYOUT_COMPONENT_GROUP);
	return layout;
	}

	public void setShowISOWeekNumber(boolean value) {
	showISOWeekNumber = value;
	}

	void initField(){
	field = new DateField();
	}

	public void setResolution(Resolution res) {
	field.setResolution(res);
	}

	public void setDateFormat(String dateFormat) {
	field.setDateFormat(dateFormat);
	}

	public void setPropertyDataSource(ObjectProperty<Date> property){
	this.property = property;
	field.setPropertyDataSource(property);
	}

	@Override
	public Class<Date> getType() {
	return Date.class;
	}

	@Override
	protected void setInternalValue(Date newValue) {
	super.setInternalValue(newValue);

	if (property != null) {
	property.setValue(newValue);
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see com.vaadin.ui.AbstractField#getErrorMessage()
	*/
	@Override
	public ErrorMessage getErrorMessage() {
	if (isDisposed()) {
	// after disposal, Vaadin will call this method once.
	return null;
	}

	ErrorMessage message = super.getErrorMessage();
	reportValidationError(message);
	return message;
	}
	}

	/**
	* The Class DefaultDateFormatProvider.
	*/
	private static class DefaultDateFormatProvider implements IDateFormatProvider {

	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.osbp.ecview.core.emf.api.IDateFormatProvider#getInfo(org.
	* eclipse.osbp.ecview.core.extension.model.datatypes.YDateTimeDatatype,
	* java.util.Locale)
	*/
	@Override
	public Info getInfo(YDateTimeDatatype yDt, Locale locale) {

	if (yDt == null) {
	DateFormat formatter = DateFormat.getDateInstance(DateFormat.DEFAULT, locale);
	return new IDateFormatProvider.Info(((SimpleDateFormat) formatter).toPattern(),
	YDateTimeResolution.DAY);
	}

	DateFormat formatter = DateFormat.getDateTimeInstance(DateFormat.DEFAULT, DateFormat.DEFAULT, locale);
	String pattern = ((SimpleDateFormat) formatter).toPattern();

	String dateFormat = null;
	String rightpattern = null;
	YDateTimeResolution resolution = calcResolution(yDt);
	YDateTimeFormat yFormat = yDt.getFormat();
	if (yFormat != null) {
	switch (yFormat) {
	case DATE:
	switch (resolution) {
	case YEAR:
	dateFormat = filterFormat(pattern, "yyyy");
	break;
	case MONTH:
	dateFormat = filterFormat(pattern, "yyyy.MM");
	break;
	case DAY:
	dateFormat = filterFormat(pattern, "yyyy.MM.dd");
	break;
	default:
	throw new IllegalArgumentException(resolution + " is not a valid resolution for " + yFormat);
	}
	break;
	case DATE_TIME:
	switch (resolution) {
	case YEAR:
	dateFormat = filterFormat(pattern, "yyyy");
	break;
	case MONTH:
	dateFormat = filterFormat(pattern, "yyyy.MM");
	break;
	case DAY:
	dateFormat = filterFormat(pattern, "yyyy.MM.dd");
	break;
	case HOUR:
	rightpattern = pattern.contains("a") ? "yyyy.MM.dd hhHH a" : "yyyy.MM.dd hhHH";
	dateFormat = filterFormat(pattern, rightpattern);
	break;
	case MINUTE:
	rightpattern = pattern.contains("a") ? "yyyy.MM.dd hhHH:mm a" : "yyyy.MM.dd hhHH:mm";
	dateFormat = filterFormat(pattern, rightpattern);
	break;
	case SECOND:
	rightpattern = pattern.contains("a") ? "yyyy.MM.dd hhHH:mm:ss a" : "yyyy.MM.dd hhHH:mm:ss";
	dateFormat = filterFormat(pattern, rightpattern);
	break;
	default:
	throw new IllegalArgumentException(resolution + " is not a valid resolution for " + yFormat);
	}
	break;
	case TIME:
	switch (resolution) {
	case HOUR:
	rightpattern = pattern.contains("a") ? "hhHH a" : "hhHH";
	dateFormat = filterFormat(pattern, rightpattern);
	break;
	case MINUTE:
	rightpattern = pattern.contains("a") ? "hhHH:mm a" : "hhHH:mm";
	dateFormat = filterFormat(pattern, rightpattern);
	break;
	case SECOND:
	rightpattern = pattern.contains("a") ? "hhHH:mm:ss a" : "hhHH:mm:ss";
	dateFormat = filterFormat(pattern, rightpattern);
	break;
	default:
	throw new IllegalArgumentException(resolution + " is not a valid resolution for " + yFormat);
	}
	break;
	}
	}
	return new IDateFormatProvider.Info(dateFormat, resolution);
	}

	/**
	* filters from any localized date-time pattern the desired subset
	* defined by filterPattern without destroying the original localized
	* pattern .
	*
	* @param localizedPattern
	* the localized full date-time pattern
	* @param filterPattern
	* the subset of desired date-time formatter patterns
	* @return the string
	*/
	private String filterFormat(String localizedPattern, String filterPattern) {
	// remove any multiple characters sequences and remove all separator
	// signs from filterPattern
	String filter = filterPattern.replaceAll("(.)\\1+", "$1").replaceAll("[^\\w\\s]", "") + ",";
	// create a replacement pattern to remove unnecessary blanks
	// disturbing the recognition of orphaned separators
	// rule: each blank must be surrounded by any filter-letter to be
	// valid
	String invalidBlanks = "(?![" + filter + "])( )(?![" + filter + "])";
	// create a replacement pattern to remove remaining separators
	// without formatting function
	// rule: each separator must be surrounded by any filter-letter or
	// blank to be valid
	String invalidSeparators = "(?![" + filter + " ])([.:])(?![" + filter + " ])";

	String dateFormat = localizedPattern.replaceAll("[^" + filter + ",.: ]", "").replaceAll(invalidBlanks, "").trim()
	.replaceAll(invalidSeparators, "");
	if(dateFormat.startsWith(",") \|\| dateFormat.startsWith(".")){ dateFormat = dateFormat.substring(1); }
	return dateFormat;
	}

	/**
	* Calc resolution.
	*
	* @param yDt
	* the y dt
	* @return the y date time resolution
	*/
	private YDateTimeResolution calcResolution(YDateTimeDatatype yDt) {
	YDateTimeFormat yFormat = yDt.getFormat();
	YDateTimeResolution resolution = null;
	if (yFormat != null) {
	YDateTimeResolution yResolution = yDt.getResolution();
	switch (yFormat) {
	case DATE:
	if (yResolution == YDateTimeResolution.UNDEFINED \|\| yResolution == YDateTimeResolution.SECOND
	\|\| yResolution == YDateTimeResolution.MINUTE \|\| yResolution == YDateTimeResolution.HOUR) {
	resolution = YDateTimeResolution.DAY;
	}
	break;
	case DATE_TIME:
	if (yResolution == YDateTimeResolution.UNDEFINED \|\| yResolution == YDateTimeResolution.DAY
	\|\| yResolution == YDateTimeResolution.MONTH \|\| yResolution == YDateTimeResolution.YEAR) {
	resolution = YDateTimeResolution.MINUTE;
	}
	break;
	case TIME:
	if (yResolution == YDateTimeResolution.UNDEFINED \|\| yResolution == YDateTimeResolution.DAY
	\|\| yResolution == YDateTimeResolution.MONTH \|\| yResolution == YDateTimeResolution.YEAR) {
	resolution = YDateTimeResolution.MINUTE;
	}
	break;
	}
	}

	if (resolution == null) {
	switch (yDt.getResolution()) {
	case SECOND:
	resolution = YDateTimeResolution.SECOND;
	break;
	case MINUTE:
	resolution = YDateTimeResolution.MINUTE;
	break;
	case HOUR:
	resolution = YDateTimeResolution.HOUR;
	break;
	case DAY:
	resolution = YDateTimeResolution.DAY;
	break;
	case MONTH:
	resolution = YDateTimeResolution.MONTH;
	break;
	case YEAR:
	resolution = YDateTimeResolution.YEAR;
	break;
	case UNDEFINED:
	resolution = YDateTimeResolution.MINUTE;
	break;
	default:
	resolution = YDateTimeResolution.MINUTE;
	}
	}

	return resolution;
	}

	}
	}