org.eclipse.osbp.runtime.web.ecview.presentation.vaadin/src/org/eclipse/osbp/runtime/web/ecview/presentation/vaadin/internal/SuggestTextFieldPresentation.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 v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *         Florian Pirchner - Initial implementation
  */
 package org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal;

 import java.util.Locale;

 import org.eclipse.core.databinding.Binding;
 import org.eclipse.core.databinding.UpdateValueStrategy;
 import org.eclipse.core.databinding.observable.IObservable;
 import org.eclipse.core.databinding.observable.value.IObservableValue;
 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.notify.impl.AdapterImpl;
 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.notification.IReloadRequestService;
 import org.eclipse.osbp.ecview.core.extension.model.extension.ExtensionModelPackage;
 import org.eclipse.osbp.ecview.core.extension.model.extension.YSuggestTextField;
 import org.eclipse.osbp.ecview.core.extension.model.extension.YSuggestTextFieldEvents;
 import org.eclipse.osbp.ecview.core.ui.core.editparts.extension.ISuggestTextFieldEditpart;
 import org.eclipse.osbp.runtime.common.state.ISharedStateContext;
 import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter;
 import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal.util.Util;
 import org.eclipse.osbp.runtime.web.vaadin.common.data.BeanServiceLazyLoadingContainer;
 import org.eclipse.osbp.runtime.web.vaadin.common.data.IBeanSearchServiceFactory;
 import org.eclipse.osbp.vaadin.addons.suggesttext.SuggestTextField;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import com.vaadin.data.util.ObjectProperty;
 import com.vaadin.server.ErrorMessage;
 import com.vaadin.ui.Component;
 import com.vaadin.ui.Component.Focusable;
 import com.vaadin.ui.ComponentContainer;
 import com.vaadin.ui.Field;

 // TODO: Auto-generated Javadoc
 /**
  * This presenter is responsible to render a text field on the given layout.
  */
 public class SuggestTextFieldPresentation extends AbstractFieldWidgetPresenter<Component> {

 	private static final Logger LOGGER = LoggerFactory.getLogger(SuggestTextFieldPresentation.class);

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

 	/** The text. */
 	private SuggestTextField text;

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

 	/** The adapter. */
 	private Adapter adapter;

 	/** The value binding. */
 	private Binding valueBinding;

 	private Binding keyBinding;

 	private boolean updateBinding;

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

 	/**
 	 * {@inheritDoc}
 	 */
 	@SuppressWarnings({ "unchecked", "rawtypes", "serial" })
 	@Override
 	public Component doCreateWidget(Object parent) {
 		if (text == null) {

 			adapter = new Adapter();
 			modelAccess.yField.eAdapters().add(adapter);

 			text = new CustomTextField();
 			text.addStyleName(CSS_CLASS_CONTROL);
 			text.getTextField().setNullRepresentation("");
 			text.setImmediate(true);
 			text.setLimit(10);
 			text.setAutoHide(modelAccess.yField.isAutoHidePopup());
 			setupComponent(text, getCastedModel());

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

 			property = new ObjectProperty<String>(null, String.class);
 			text.getTextField().setPropertyDataSource(property);

 			text.addSelectionChangedListener(new SuggestTextField.SelectionChangedListener() {
 				@Override
 				public void selectionChanged(SuggestTextField.SelectionChangedEvent event) {
 					Object itemId = event.getItemId();
 					internalSetLastSuggestion(itemId);
 				}
 			});

 			if (modelAccess.yField.getType() != null) {
 				IBeanSearchServiceFactory factory = getViewContext()
 						.getService(IBeanSearchServiceFactory.class.getName());
 				if (factory != null) {
 					ISharedStateContext sharedState = getViewContext().getService(ISharedStateContext.class.getName());
 					BeanServiceLazyLoadingContainer<?> datasource = new BeanServiceLazyLoadingContainer(
 							factory.createService(modelAccess.yField.getType()), modelAccess.yField.getType(),
 							sharedState);
 					text.setContainerDataSource(datasource);

 					text.setCaptionPropertyId(modelAccess.yField.getItemCaptionProperty());
 					text.setFilterPropertyId(modelAccess.yField.getItemFilterProperty());

 					String uuidProp = modelAccess.yField.getItemUUIDProperty();
 					if (uuidProp != null && !uuidProp.equals("")) {
 						text.setUniqueIdPropertyId(modelAccess.yField.getItemUUIDProperty());
 					}
 				}
 			}

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

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

 			applyCaptions();

 			initializeField(text.getTextField());
 		}
 		return text;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
 	 * AbstractVaadinWidgetPresenter#doUpdateLocale(java.util.Locale)
 	 */
 	@Override
 	protected void doUpdateLocale(Locale locale) {
 		// no need to set the locale to the ui elements. Is handled by vaadin
 		// internally.

 		// update the captions
 		applyCaptions();
 	}

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

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

 	/*
 	 * (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.YSUGGEST_TEXT_FIELD__VALUE);
 	}

 	/**
 	 * Creates the bindings for the given values.
 	 *
 	 * @param yField
 	 *            the y field
 	 * @param field
 	 *            the field
 	 */
 	protected void createBindings(YSuggestTextField yField, SuggestTextField field) {
 		updateValueBinding(field);

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

 	/**
 	 * The value binding takes respect to the
 	 * modelAccess.yField.isUseSuggestions(). If suggestions are used, value
 	 * changes in the UI MUST NOT be updated to the model.
 	 *
 	 * @param field
 	 *            the field
 	 */
 	protected void updateValueBinding(SuggestTextField field) {
 		if (valueBinding != null) {
 			unregisterBinding(valueBinding);
 		}

 		if (keyBinding != null) {
 			unregisterBinding(keyBinding);
 		}

 		if (field == null) {
 			return;
 		}

 		try {
 			updateBinding = true;

 			// suppress suggestions
 			field.setSuggestionEnabled(false);

 			if (modelAccess.yField.isUseSuggestions()) {
 				// in suggest mode do not update from UI to model
 				keyBinding = createBindingsByAccessor(castEObject(getModel()),
 						ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__KEYS, field, "keys",
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER),
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
 				valueBinding = createBindingsValue(castEObject(getModel()),
 						ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__VALUE, field.getTextField(),
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER),
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
 			} else {
 				keyBinding = createBindingsByAccessor(castEObject(getModel()),
 						ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__KEYS, field, "keys",
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE),
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
 				valueBinding = createBindingsValue(castEObject(getModel()),
 						ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__VALUE, field.getTextField(),
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE),
 						new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
 			}

 			field.setSuggestionEnabled(modelAccess.yField.isUseSuggestions());

 			// create the model binding from model to ECView-model
 			registerBinding(valueBinding);
 			registerBinding(keyBinding);
 		} finally {
 			updateBinding = false;
 		}
 	}

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

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

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

 			modelAccess.yField.eAdapters().remove(adapter);
 			adapter = null;

 			// unbind all active bindings
 			unbind();

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

 			// remove assocations
 			unassociateWidget(text);
 			unassociateWidget(text.getTextField());

 			text = null;
 		}
 	}

 	/**
 	 * Sets the use suggestions.
 	 *
 	 * @param newBooleanValue
 	 *            the new use suggestions
 	 */
 	public void setUseSuggestions(boolean newBooleanValue) {
 		updateValueBinding(text);
 	}

 	/**
 	 * Executes the given event.
 	 *
 	 * @param event
 	 */
 	protected void doExecuteEvent(YSuggestTextFieldEvents event) {
 		if (!isRendered()) {
 			return;
 		}

 		if (modelAccess.yField.isAutoHidePopup()) {
 			LOGGER.warn("Using events with autoHidePopup==true, may cause side effects, "
 					+ "since a click to the UI outside the popup will close the popup automatically");
 		}

 		switch (event) {
 		case OPEN_POPUP:
 			text.openPopup();
 			break;
 		case CLOSE_POPUP:
 			text.closePopup();
 			break;
 		case NAVIGATE_NEXT:
 			text.navigateToNext();
 			break;
 		case NAVIGATE_PREV:
 			text.navigateToPrevious();
 			break;
 		case SELECT:
 			text.selectCurrent();
 			break;
 		case CLEAR:
 			text.setValue(null);
 			text.closePopup();
 			internalSetLastSuggestion(null);
 			break;
 		}
 	}

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

 	protected void internalSetLastSuggestion(Object itemId) {
 		IReloadRequestService service = getViewContext().getService(IReloadRequestService.class.getName());
 		if (service != null && itemId != null) {
 			service.requestReload(getCastedModel(), itemId);
 		}
 		modelAccess.yField.setLastSuggestion(itemId);
 		if (itemId != null) {
 			modelAccess.yField.setEvent(YSuggestTextFieldEvents.SELECTED);
 		}
 	}

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

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

 		/**
 		 * Instantiates a new model access.
 		 *
 		 * @param yField
 		 *            the y field
 		 */
 		public ModelAccess(YSuggestTextField 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.getLabel();
 		}

 		/**
 		 * Returns the label.
 		 *
 		 * @return the label i18n key
 		 */
 		public String getLabelI18nKey() {
 			return yField.getLabelI18nKey();
 		}
 	}

 	/**
 	 * The Class CustomTextField.
 	 */
 	@SuppressWarnings("serial")
 	private class CustomTextField extends SuggestTextField implements Focusable {

 		private int tabIndex;

 		/*
 		 * (non-Javadoc)
 		 *
 		 * @see com.vaadin.ui.AbstractComponent#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;
 		}

 		@Override
 		public void focus() {
 			if (getTextField() != null) {
 				getTextField().focus();
 			}
 		}

 		@Override
 		protected TextFieldCustom createTextField() {
 			return new TextFieldCustom() {
 				@Override
 				public ErrorMessage getErrorMessage() {
 					if (isDisposed()) {
 						// after disposal, Vaadin will call this method once.
 						return null;
 					}

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

 		@Override
 		public void setSuggestionEnabled(boolean suggestionEnabled) {
 			super.setSuggestionEnabled(suggestionEnabled);

 			if (!updateBinding) {
 				modelAccess.yField.setUseSuggestions(suggestionEnabled);
 			}
 		}

 		public int getTabIndex() {
 			return tabIndex;
 		}

 		@Override
 		public void setTabIndex(int tabIndex) {
 			this.tabIndex = tabIndex;
 		}

 	}

 	/**
 	 * The Class Adapter.
 	 */
 	private class Adapter extends AdapterImpl {

 		/*
 		 * (non-Javadoc)
 		 *
 		 * @see
 		 * org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(org.
 		 * eclipse.emf.common.notify.Notification)
 		 */
 		@Override
 		public void notifyChanged(Notification msg) {
 			if (msg.getFeature() == ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__USE_SUGGESTIONS) {
 				setUseSuggestions(msg.getNewBooleanValue());
 			} else if (msg.getFeature() == ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__AUTO_HIDE_POPUP) {
 				text.setAutoHide(msg.getNewBooleanValue());
 			} else if (msg.getFeature() == ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__EVENT) {
 				YSuggestTextFieldEvents event = (YSuggestTextFieldEvents) msg.getNewValue();
 				if (event != null) {
 					doExecuteEvent(event);
 				}
 			}
 		}
 	}
 }
	/**
	* 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 v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Florian Pirchner - Initial implementation
	*/
	package org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal;

	import java.util.Locale;

	import org.eclipse.core.databinding.Binding;
	import org.eclipse.core.databinding.UpdateValueStrategy;
	import org.eclipse.core.databinding.observable.IObservable;
	import org.eclipse.core.databinding.observable.value.IObservableValue;
	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.notify.impl.AdapterImpl;
	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.notification.IReloadRequestService;
	import org.eclipse.osbp.ecview.core.extension.model.extension.ExtensionModelPackage;
	import org.eclipse.osbp.ecview.core.extension.model.extension.YSuggestTextField;
	import org.eclipse.osbp.ecview.core.extension.model.extension.YSuggestTextFieldEvents;
	import org.eclipse.osbp.ecview.core.ui.core.editparts.extension.ISuggestTextFieldEditpart;
	import org.eclipse.osbp.runtime.common.state.ISharedStateContext;
	import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.AbstractFieldWidgetPresenter;
	import org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.internal.util.Util;
	import org.eclipse.osbp.runtime.web.vaadin.common.data.BeanServiceLazyLoadingContainer;
	import org.eclipse.osbp.runtime.web.vaadin.common.data.IBeanSearchServiceFactory;
	import org.eclipse.osbp.vaadin.addons.suggesttext.SuggestTextField;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;

	import com.vaadin.data.util.ObjectProperty;
	import com.vaadin.server.ErrorMessage;
	import com.vaadin.ui.Component;
	import com.vaadin.ui.Component.Focusable;
	import com.vaadin.ui.ComponentContainer;
	import com.vaadin.ui.Field;

	// TODO: Auto-generated Javadoc
	/**
	* This presenter is responsible to render a text field on the given layout.
	*/
	public class SuggestTextFieldPresentation extends AbstractFieldWidgetPresenter<Component> {

	private static final Logger LOGGER = LoggerFactory.getLogger(SuggestTextFieldPresentation.class);

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

	/** The text. */
	private SuggestTextField text;

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

	/** The adapter. */
	private Adapter adapter;

	/** The value binding. */
	private Binding valueBinding;

	private Binding keyBinding;

	private boolean updateBinding;

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

	/**
	* {@inheritDoc}
	*/
	@SuppressWarnings({ "unchecked", "rawtypes", "serial" })
	@Override
	public Component doCreateWidget(Object parent) {
	if (text == null) {

	adapter = new Adapter();
	modelAccess.yField.eAdapters().add(adapter);

	text = new CustomTextField();
	text.addStyleName(CSS_CLASS_CONTROL);
	text.getTextField().setNullRepresentation("");
	text.setImmediate(true);
	text.setLimit(10);
	text.setAutoHide(modelAccess.yField.isAutoHidePopup());
	setupComponent(text, getCastedModel());

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

	property = new ObjectProperty<String>(null, String.class);
	text.getTextField().setPropertyDataSource(property);

	text.addSelectionChangedListener(new SuggestTextField.SelectionChangedListener() {
	@Override
	public void selectionChanged(SuggestTextField.SelectionChangedEvent event) {
	Object itemId = event.getItemId();
	internalSetLastSuggestion(itemId);
	}
	});

	if (modelAccess.yField.getType() != null) {
	IBeanSearchServiceFactory factory = getViewContext()
	.getService(IBeanSearchServiceFactory.class.getName());
	if (factory != null) {
	ISharedStateContext sharedState = getViewContext().getService(ISharedStateContext.class.getName());
	BeanServiceLazyLoadingContainer<?> datasource = new BeanServiceLazyLoadingContainer(
	factory.createService(modelAccess.yField.getType()), modelAccess.yField.getType(),
	sharedState);
	text.setContainerDataSource(datasource);

	text.setCaptionPropertyId(modelAccess.yField.getItemCaptionProperty());
	text.setFilterPropertyId(modelAccess.yField.getItemFilterProperty());

	String uuidProp = modelAccess.yField.getItemUUIDProperty();
	if (uuidProp != null && !uuidProp.equals("")) {
	text.setUniqueIdPropertyId(modelAccess.yField.getItemUUIDProperty());
	}
	}
	}

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

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

	applyCaptions();

	initializeField(text.getTextField());
	}
	return text;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.osbp.runtime.web.ecview.presentation.vaadin.common.
	* AbstractVaadinWidgetPresenter#doUpdateLocale(java.util.Locale)
	*/
	@Override
	protected void doUpdateLocale(Locale locale) {
	// no need to set the locale to the ui elements. Is handled by vaadin
	// internally.

	// update the captions
	applyCaptions();
	}

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

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

	/*
	* (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.YSUGGEST_TEXT_FIELD__VALUE);
	}

	/**
	* Creates the bindings for the given values.
	*
	* @param yField
	* the y field
	* @param field
	* the field
	*/
	protected void createBindings(YSuggestTextField yField, SuggestTextField field) {
	updateValueBinding(field);

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

	/**
	* The value binding takes respect to the
	* modelAccess.yField.isUseSuggestions(). If suggestions are used, value
	* changes in the UI MUST NOT be updated to the model.
	*
	* @param field
	* the field
	*/
	protected void updateValueBinding(SuggestTextField field) {
	if (valueBinding != null) {
	unregisterBinding(valueBinding);
	}

	if (keyBinding != null) {
	unregisterBinding(keyBinding);
	}

	if (field == null) {
	return;
	}

	try {
	updateBinding = true;

	// suppress suggestions
	field.setSuggestionEnabled(false);

	if (modelAccess.yField.isUseSuggestions()) {
	// in suggest mode do not update from UI to model
	keyBinding = createBindingsByAccessor(castEObject(getModel()),
	ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__KEYS, field, "keys",
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER),
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
	valueBinding = createBindingsValue(castEObject(getModel()),
	ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__VALUE, field.getTextField(),
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER),
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
	} else {
	keyBinding = createBindingsByAccessor(castEObject(getModel()),
	ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__KEYS, field, "keys",
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE),
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
	valueBinding = createBindingsValue(castEObject(getModel()),
	ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__VALUE, field.getTextField(),
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE),
	new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE));
	}

	field.setSuggestionEnabled(modelAccess.yField.isUseSuggestions());

	// create the model binding from model to ECView-model
	registerBinding(valueBinding);
	registerBinding(keyBinding);
	} finally {
	updateBinding = false;
	}
	}

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

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

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

	modelAccess.yField.eAdapters().remove(adapter);
	adapter = null;

	// unbind all active bindings
	unbind();

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

	// remove assocations
	unassociateWidget(text);
	unassociateWidget(text.getTextField());

	text = null;
	}
	}

	/**
	* Sets the use suggestions.
	*
	* @param newBooleanValue
	* the new use suggestions
	*/
	public void setUseSuggestions(boolean newBooleanValue) {
	updateValueBinding(text);
	}

	/**
	* Executes the given event.
	*
	* @param event
	*/
	protected void doExecuteEvent(YSuggestTextFieldEvents event) {
	if (!isRendered()) {
	return;
	}

	if (modelAccess.yField.isAutoHidePopup()) {
	LOGGER.warn("Using events with autoHidePopup==true, may cause side effects, "
	+ "since a click to the UI outside the popup will close the popup automatically");
	}

	switch (event) {
	case OPEN_POPUP:
	text.openPopup();
	break;
	case CLOSE_POPUP:
	text.closePopup();
	break;
	case NAVIGATE_NEXT:
	text.navigateToNext();
	break;
	case NAVIGATE_PREV:
	text.navigateToPrevious();
	break;
	case SELECT:
	text.selectCurrent();
	break;
	case CLEAR:
	text.setValue(null);
	text.closePopup();
	internalSetLastSuggestion(null);
	break;
	}
	}

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

	protected void internalSetLastSuggestion(Object itemId) {
	IReloadRequestService service = getViewContext().getService(IReloadRequestService.class.getName());
	if (service != null && itemId != null) {
	service.requestReload(getCastedModel(), itemId);
	}
	modelAccess.yField.setLastSuggestion(itemId);
	if (itemId != null) {
	modelAccess.yField.setEvent(YSuggestTextFieldEvents.SELECTED);
	}
	}

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

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

	/**
	* Instantiates a new model access.
	*
	* @param yField
	* the y field
	*/
	public ModelAccess(YSuggestTextField 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.getLabel();
	}

	/**
	* Returns the label.
	*
	* @return the label i18n key
	*/
	public String getLabelI18nKey() {
	return yField.getLabelI18nKey();
	}
	}

	/**
	* The Class CustomTextField.
	*/
	@SuppressWarnings("serial")
	private class CustomTextField extends SuggestTextField implements Focusable {

	private int tabIndex;

	/*
	* (non-Javadoc)
	*
	* @see com.vaadin.ui.AbstractComponent#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;
	}

	@Override
	public void focus() {
	if (getTextField() != null) {
	getTextField().focus();
	}
	}

	@Override
	protected TextFieldCustom createTextField() {
	return new TextFieldCustom() {
	@Override
	public ErrorMessage getErrorMessage() {
	if (isDisposed()) {
	// after disposal, Vaadin will call this method once.
	return null;
	}

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

	@Override
	public void setSuggestionEnabled(boolean suggestionEnabled) {
	super.setSuggestionEnabled(suggestionEnabled);

	if (!updateBinding) {
	modelAccess.yField.setUseSuggestions(suggestionEnabled);
	}
	}

	public int getTabIndex() {
	return tabIndex;
	}

	@Override
	public void setTabIndex(int tabIndex) {
	this.tabIndex = tabIndex;
	}

	}

	/**
	* The Class Adapter.
	*/
	private class Adapter extends AdapterImpl {

	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.emf.common.notify.impl.AdapterImpl#notifyChanged(org.
	* eclipse.emf.common.notify.Notification)
	*/
	@Override
	public void notifyChanged(Notification msg) {
	if (msg.getFeature() == ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__USE_SUGGESTIONS) {
	setUseSuggestions(msg.getNewBooleanValue());
	} else if (msg.getFeature() == ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__AUTO_HIDE_POPUP) {
	text.setAutoHide(msg.getNewBooleanValue());
	} else if (msg.getFeature() == ExtensionModelPackage.Literals.YSUGGEST_TEXT_FIELD__EVENT) {
	YSuggestTextFieldEvents event = (YSuggestTextFieldEvents) msg.getNewValue();
	if (event != null) {
	doExecuteEvent(event);
	}
	}
	}
	}
	}