Java tutorial
/******************************************************************************* * Copyright (c) 2014 Red Hat, Inc. * All rights reserved. * This program is 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: * JBoss by Red Hat - Initial implementation. ******************************************************************************/ package org.switchyard.tools.ui.editor.components.camel.mqtt; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.core.databinding.observable.Realm; import org.eclipse.core.databinding.observable.value.WritableValue; import org.eclipse.core.runtime.Status; import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; import org.eclipse.emf.edit.domain.EditingDomain; import org.eclipse.jface.databinding.fieldassist.ControlDecorationSupport; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.viewers.ViewersObservables; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.soa.sca.sca1_1.model.sca.Binding; import org.eclipse.soa.sca.sca1_1.model.sca.ScaPackage; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.forms.widgets.FormToolkit; import org.switchyard.tools.models.switchyard1_0.camel.mqtt.CamelMqttBindingType; import org.switchyard.tools.models.switchyard1_0.camel.mqtt.MqttPackage; import org.switchyard.tools.models.switchyard1_0.camel.mqtt.QualityOfServiceType; import org.switchyard.tools.ui.editor.Messages; import org.switchyard.tools.ui.editor.databinding.CompoundValidator; import org.switchyard.tools.ui.editor.databinding.EMFUpdateValueStrategyNullForEmptyString; import org.switchyard.tools.ui.editor.databinding.EscapedPropertyIntegerValidator; import org.switchyard.tools.ui.editor.databinding.ObservablesUtil; import org.switchyard.tools.ui.editor.databinding.SWTValueUpdater; import org.switchyard.tools.ui.editor.databinding.StringEmptyValidator; import org.switchyard.tools.ui.editor.databinding.URLValidator; import org.switchyard.tools.ui.editor.diagram.binding.AbstractSYBindingComposite; /** * @author bfitzpat * */ public class CamelMQTTProducerComposite extends AbstractSYBindingComposite { private Composite _panel; private CamelMqttBindingType _binding = null; private Text _nameText; private Text _hostURIText; private Text _publishTopicNameText; private Button _byDefaultRetainCheckbox; private WritableValue _bindingValue; private Text _connectAttemptsMaxText; private Text _reconnectAttemptsMaxText; private ComboViewer _qosCombo; CamelMQTTProducerComposite(FormToolkit toolkit) { super(toolkit); } @Override public String getTitle() { return "MQTT Binding"; } @Override public String getDescription() { return "MQTT Binding"; } @Override public void setBinding(Binding impl) { super.setBinding(impl); if (impl instanceof CamelMqttBindingType) { _binding = (CamelMqttBindingType) impl; _bindingValue.setValue(_binding); } else { _bindingValue.setValue(null); } } @Override public void createContents(Composite parent, int style, DataBindingContext context) { _panel = new Composite(parent, style); _panel.setLayout(new FillLayout()); getProducerTabControl(_panel); bindControls(context); } private Control getProducerTabControl(Composite tabFolder) { Composite composite = new Composite(tabFolder, SWT.NONE); GridLayout gl = new GridLayout(2, false); composite.setLayout(gl); _nameText = createLabelAndText(composite, Messages.label_name); _hostURIText = createLabelAndText(composite, "Host URI*"); _publishTopicNameText = createLabelAndText(composite, "Publish Topic Name"); _connectAttemptsMaxText = createLabelAndText(composite, "Connect Attempts Max"); _reconnectAttemptsMaxText = createLabelAndText(composite, "Reconnect Attempts Max"); getToolkit().createLabel(composite, "Quality of Service", SWT.NONE); _qosCombo = new ComboViewer(composite); _qosCombo.getControl().setLayoutData(new GridData(SWT.FILL, SWT.NONE, true, false)); _qosCombo.setContentProvider(ArrayContentProvider.getInstance()); _qosCombo.setLabelProvider(new LabelProvider()); QualityOfServiceType[] qosTypes = new QualityOfServiceType[] { QualityOfServiceType.AT_MOST_ONCE, QualityOfServiceType.AT_LEAST_ONCE, QualityOfServiceType.EXACTLY_ONCE }; _qosCombo.setInput(qosTypes); getToolkit().adapt(_qosCombo.getControl(), true, true); _byDefaultRetainCheckbox = createCheckbox(composite, "Retain By Default"); return composite; } @Override public Composite getPanel() { return this._panel; } protected void handleUndo(Control control) { if (_binding != null) { super.handleUndo(control); } } private void bindControls(final DataBindingContext context) { final EditingDomain domain = AdapterFactoryEditingDomain.getEditingDomainFor(getTargetObject()); final Realm realm = SWTObservables.getRealm(_nameText.getDisplay()); _bindingValue = new WritableValue(realm, null, CamelMqttBindingType.class); org.eclipse.core.databinding.Binding binding = context.bindValue( SWTObservables.observeText(_nameText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, ScaPackage.eINSTANCE.getBinding_Name()), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator( new StringEmptyValidator("MQTT binding name should not be empty", Status.WARNING)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); CompoundValidator uriValidator = new CompoundValidator(new URLValidator("Potential problem with Host URI")); binding = context.bindValue(SWTObservables.observeText(_hostURIText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, MqttPackage.Literals.CAMEL_MQTT_BINDING_TYPE__HOST), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(uriValidator), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeText(_publishTopicNameText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, MqttPackage.Literals.CAMEL_MQTT_BINDING_TYPE__PUBLISH_TOPIC_NAME), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeText(_connectAttemptsMaxText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, MqttPackage.Literals.CAMEL_MQTT_BINDING_TYPE__CONNECT_ATTEMPTS_MAX), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new EscapedPropertyIntegerValidator( "Connect Attempts Max must be a valid numeric value or follow the pattern for escaped properties (i.e. '${propName}').")), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeText(_reconnectAttemptsMaxText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, MqttPackage.Literals.CAMEL_MQTT_BINDING_TYPE__RECONNECT_ATTEMPTS_MAX), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new EscapedPropertyIntegerValidator( "Reconnect Attempts Max must be a valid numeric value or follow the pattern for escaped properties (i.e. '${propName}').")), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(ViewersObservables.observeSingleSelection(_qosCombo), ObservablesUtil.observeDetailValue(domain, _bindingValue, MqttPackage.Literals.CAMEL_MQTT_BINDING_TYPE__QUALITY_OF_SERVICE), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeSelection(_byDefaultRetainCheckbox), ObservablesUtil.observeDetailValue(domain, _bindingValue, MqttPackage.Literals.CAMEL_MQTT_BINDING_TYPE__BY_DEFAULT_RETAIN), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); } /* (non-Javadoc) * @see org.switchyard.tools.ui.editor.diagram.shared.AbstractSwitchyardComposite#dispose() */ @Override public void dispose() { _bindingValue.dispose(); super.dispose(); } }