org.eclipse.osbp.vaadin.addons.suggesttext/src/org/eclipse/osbp/vaadin/addons/suggesttext/client/SuggestTextFieldConnector.java

/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * All rights reserved. This program and the accompanying materials           
 * are made available under the terms of the Eclipse Public License 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 <florian.pirchner@gmail.com> - Initial implementation
 */
package org.eclipse.osbp.vaadin.addons.suggesttext.client;

import java.util.List;

import org.eclipse.osbp.vaadin.addons.suggesttext.SuggestTextField;
import org.eclipse.osbp.vaadin.addons.suggesttext.client.OQueryDelegate.SuggestionResult;

import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;
import com.google.gwt.user.client.ui.ValueBoxBase;
import com.vaadin.client.ComponentConnector;
import com.vaadin.client.ConnectorHierarchyChangeEvent;
import com.vaadin.client.communication.RpcProxy;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.AbstractSingleComponentContainerConnector;
import com.vaadin.shared.ui.Connect;

// TODO: Auto-generated Javadoc
/**
 * The Class SuggestTextFieldConnector.
 */
@SuppressWarnings("serial")
@Connect(SuggestTextField.class)
public class SuggestTextFieldConnector extends AbstractSingleComponentContainerConnector
		implements SelectionHandler<Suggestion> {

	/** The rpc. */
	private SuggestTextFieldServerRpc rpc = RpcProxy.create(SuggestTextFieldServerRpc.class, this);

	/** The query delegate. */
	private OQueryDelegate queryDelegate;

	/**
	 * Instantiates a new suggest text field connector.
	 */
	public SuggestTextFieldConnector() {
		registerRpc(SuggestTextFieldClientRpc.class, new SuggestTextFieldClientRpc() {
			@Override
			public void respond(String handle, List<SuggestionResult> response) {
				queryDelegate.respond(handle, response);
			}

			@Override
			public void openPopup() {
				getWidget().openPopup();
			}

			@Override
			public void closePopup() {
				getWidget().closePopup();
			}

			@Override
			public void navigateToNext() {
				getWidget().navigateToNext();
			}

			@Override
			public void navigateToPrevious() {
				getWidget().navigateToPrevious();
			}

			@Override
			public void selectCurrent() {
				getWidget().selectCurrent();
			}
		});
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.vaadin.client.ui.AbstractComponentConnector#getWidget()
	 */
	@Override
	public OSuggestBox getWidget() {
		return (OSuggestBox) super.getWidget();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.vaadin.client.ui.AbstractComponentConnector#createWidget()
	 */
	public OSuggestBox createWidget() {
		queryDelegate = new OQueryDelegate(rpc);
		OSuggestBox widget = new OSuggestBox(new ODelegatingOracle(queryDelegate));
		widget.addSelectionHandler(this);
		widget.setServerRPC(rpc);
		return widget;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.vaadin.client.ui.AbstractComponentConnector#getState()
	 */
	@Override
	public SuggestTextFieldState getState() {
		return (SuggestTextFieldState) super.getState();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * com.vaadin.client.ui.AbstractComponentConnector#onStateChanged(com.vaadin
	 * .client.communication.StateChangeEvent)
	 */
	@Override
	public void onStateChanged(StateChangeEvent stateChangeEvent) {
		super.onStateChanged(stateChangeEvent);

		getWidget().setLimit(getState().limit);
		getWidget().setPopupDelay(getState().popupDelay);
		getWidget().setSuggestionEnabled(getState().suggestionEnabled);
		getWidget().setAutoHide(getState().autoHide);
		getWidget().setOpenPopupKey(getState().openPopup_key);
		getWidget().setOpenPopupKeyModifier(getState().openPopup_modifier);
		getWidget().setDisableSuggestionTooltip(getState().disableSuggestionTooltip);
		getWidget().setIsHistorizedEnabled(getState().historized);
		getWidget().setHistorizedToolTip(getState().historizedTooltip);
		
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * com.google.gwt.event.logical.shared.SelectionHandler#onSelection(com.
	 * google.gwt.event.logical.shared.SelectionEvent)
	 */
	@Override
	public void onSelection(SelectionEvent<Suggestion> event) {
		OSuggestion suggestion = (OSuggestion) event.getSelectedItem();
		if (suggestion != null) {
			rpc.selectionChanged(suggestion.getHandleId(), suggestion.getUuid());
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * com.vaadin.client.HasComponentsConnector#updateCaption(com.vaadin.client.
	 * ComponentConnector)
	 */
	@Override
	public void updateCaption(ComponentConnector connector) {

	}

	@SuppressWarnings("unchecked")
	@Override
	public void onConnectorHierarchyChange(ConnectorHierarchyChangeEvent connectorHierarchyChangeEvent) {
		getWidget().initialize((ValueBoxBase<String>) getContent().getWidget());
	}
}