/* * This is part of Geomajas, a GIS framework, http://www.geomajas.org/. * * Copyright 2008-2015 Geosparc nv, http://www.geosparc.com/, Belgium. * * The program is available in open source according to the GNU Affero * General Public License. All contributions in this program are covered * by the Geomajas Contributors License Agreement. For full licensing * details, see LICENSE.txt in the project root. */ package org.geomajas.gwt.example.client.sample.general; import com.google.gwt.core.client.GWT; import org.geomajas.command.CommandResponse; import org.geomajas.command.EmptyCommandRequest; import org.geomajas.gwt.client.command.AbstractCommandCallback; import org.geomajas.gwt.example.base.SamplePanel; import org.geomajas.gwt.example.base.SamplePanelFactory; import org.geomajas.gwt.client.command.GwtCommand; import org.geomajas.gwt.client.command.GwtCommandDispatcher; import com.smartgwt.client.types.Alignment; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.IButton; import com.smartgwt.client.widgets.events.ClickEvent; import com.smartgwt.client.widgets.events.ClickHandler; import com.smartgwt.client.widgets.layout.VLayout; import org.geomajas.gwt.example.client.sample.i18n.SampleMessages; /** * <p> * Sample that displays an error messages when a command on the server has failed. * </p> * * @author Pieter De Graef */ public class ServerErrorSample extends SamplePanel { private static final SampleMessages MESSAGES = GWT.create(SampleMessages.class); public static final String TITLE = "ServerErrorMessage"; public static final SamplePanelFactory FACTORY = new SamplePanelFactory() { public SamplePanel createPanel() { return new ServerErrorSample(); } }; public Canvas getViewPanel() { VLayout layout = new VLayout(); layout.setWidth100(); layout.setHeight100(); layout.setLayoutTopMargin(200); IButton button = new IButton(MESSAGES.serverErrorButton()); button.setIcon("[ISOMORPHIC]/geomajas/osgeo/help-contents.png"); button.setWidth(300); button.setLayoutAlign(Alignment.CENTER); button.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { GwtCommand command = new GwtCommand("example.gwt.server.samples.GetExceptionCommand"); command.setCommandRequest(new EmptyCommandRequest()); GwtCommandDispatcher.getInstance().execute(command, new AbstractCommandCallback() { public void execute(CommandResponse response) { // Do nothing... an error message is shown automatically... } }); } }); layout.addMember(button); return layout; } public String getDescription() { return MESSAGES.serverErrorDescription(); } public String[] getConfigurationFiles() { return new String[] {}; } public String ensureUserLoggedIn() { return "luc"; } }