Java tutorial
/************************************************************************************* * Copyright (c) 2015 Red Hat, Inc. and others. * 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: * JBoss by Red Hat - Initial implementation. ************************************************************************************/ package org.switchyard.tools.ui.editor.components.camel.sap; 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.databinding.FeaturePath; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; import org.eclipse.emf.edit.domain.EditingDomain; import org.eclipse.emf.transaction.RecordingCommand; import org.eclipse.emf.transaction.TransactionalEditingDomain; import org.eclipse.jface.databinding.fieldassist.ControlDecorationSupport; import org.eclipse.jface.databinding.swt.SWTObservables; 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.custom.StackLayout; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Combo; 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.sap.CamelSapBindingType; import org.switchyard.tools.models.switchyard1_0.camel.sap.CamelSapIDocListServerType; import org.switchyard.tools.models.switchyard1_0.camel.sap.CamelSapSRfcServerType; import org.switchyard.tools.models.switchyard1_0.camel.sap.CamelSapTRfcServerType; import org.switchyard.tools.models.switchyard1_0.camel.sap.SapFactory; import org.switchyard.tools.models.switchyard1_0.camel.sap.SapPackage; import org.switchyard.tools.ui.editor.Messages; import org.switchyard.tools.ui.editor.databinding.EMFUpdateValueStrategyNullForEmptyString; import org.switchyard.tools.ui.editor.databinding.ObservablesUtil; import org.switchyard.tools.ui.editor.databinding.SWTValueUpdater; import org.switchyard.tools.ui.editor.databinding.StringEmptyControlAwareValidator; import org.switchyard.tools.ui.editor.databinding.StringEmptyValidator; import org.switchyard.tools.ui.editor.diagram.binding.AbstractSYBindingComposite; /** * @author bfitzpat * */ public class CamelSAPConsumerComposite extends AbstractSYBindingComposite { private Composite _panel; private CamelSapBindingType _binding = null; private Text _nameText; private Composite _iDocPage; private Composite _sRFCPage; private Composite _tRFCPage; private WritableValue _bindingValue; private Text _idocServerText; private Text _idocTypeText; private Text _idocTypeExtText; private Text _systemReleaseText; private Text _applicationReleaseText; private Text _srfcServerText; private Text _srfcRFCNameText; private Text _tRFCServerText; private Text _trfcRFCNameText; private Composite _contentPanel; private StackLayout _layout; private Combo _typeCombo; private org.eclipse.core.databinding.Binding _idocServerTextBinding; private org.eclipse.core.databinding.Binding _idocTypeTextBinding; private org.eclipse.core.databinding.Binding _tRFCServerTextBinding; private org.eclipse.core.databinding.Binding _sRFCServerTextBinding; private org.eclipse.core.databinding.Binding _tRFCRFCTextBinding; private org.eclipse.core.databinding.Binding _sRFCRFCTextBinding; CamelSAPConsumerComposite(FormToolkit toolkit) { super(toolkit); } @Override public String getTitle() { return "SAP Binding Details"; } @Override public String getDescription() { return "Specify pertinent details for your SAP Binding."; } @Override public void setBinding(Binding impl) { super.setBinding(impl); if (impl instanceof CamelSapBindingType) { this._binding = (CamelSapBindingType) impl; if (_binding.getIdoclistServer() == null && _binding.getTrfcServer() == null && _binding.getSrfcServer() == null) { _typeCombo.setText("IDoc List"); handleSelection("IDoc List"); } else if (_binding.getIdoclistServer() != null) { _typeCombo.setText("IDoc List"); handleSelection("IDoc List"); } else if (_binding.getSrfcServer() != null) { _typeCombo.setText("sRFC"); handleSelection("sRFC"); } else if (_binding.getTrfcServer() != null) { _typeCombo.setText("tRFC"); handleSelection("tRFC"); } _bindingValue.setValue(_binding); } else { _bindingValue.setValue(null); } } @Override public void setTargetObject(EObject target) { super.setTargetObject(target); } @Override public void createContents(Composite parent, int style, DataBindingContext context) { _panel = new Composite(parent, style); _panel.setLayout(new FillLayout()); getSAPTabControl(_panel); bindControls(context); } private Control getSAPTabControl(Composite tabFolder) { Composite composite = new Composite(tabFolder, SWT.NONE); GridLayout gl = new GridLayout(2, false); composite.setLayout(gl); _nameText = createLabelAndText(composite, Messages.label_name); _typeCombo = createLabelAndCombo(composite, "SAP Object", true); _typeCombo.add("IDoc List"); _typeCombo.add("sRFC"); _typeCombo.add("tRFC"); _contentPanel = new Composite(composite, SWT.NONE); _layout = new StackLayout(); _contentPanel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); _contentPanel.setLayout(_layout); _iDocPage = new Composite(_contentPanel, SWT.NONE); _iDocPage.setLayout(new GridLayout(2, false)); _idocServerText = createLabelAndText(_iDocPage, Messages.CamelSAPComposite_Server_name_label); _idocTypeText = createLabelAndText(_iDocPage, "IDoc Type*"); _idocTypeExtText = createLabelAndText(_iDocPage, "IDoc Type Extension"); _systemReleaseText = createLabelAndText(_iDocPage, "System Release"); _applicationReleaseText = createLabelAndText(_iDocPage, "Application Release"); _sRFCPage = new Composite(_contentPanel, SWT.NONE); _sRFCPage.setLayout(new GridLayout(2, false)); _srfcServerText = createLabelAndText(_sRFCPage, Messages.CamelSAPComposite_Server_name_label); _srfcRFCNameText = createLabelAndText(_sRFCPage, "RFC Name*"); _tRFCPage = new Composite(_contentPanel, SWT.NONE); _tRFCPage.setLayout(new GridLayout(2, false)); _tRFCServerText = createLabelAndText(_tRFCPage, Messages.CamelSAPComposite_Server_name_label); _trfcRFCNameText = createLabelAndText(_tRFCPage, "RFC Name*"); _typeCombo.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { handleSelection(_typeCombo.getText()); } @Override public void widgetDefaultSelected(SelectionEvent e) { } }); return composite; } private void selectSAPType(final Class<?> clazz) { TransactionalEditingDomain domain = getDomain(_binding); if (domain != null) { domain.getCommandStack().execute(new RecordingCommand(domain) { protected void doExecute() { if (clazz.equals(CamelSapIDocListServerType.class)) { if (_binding.getIdoclistServer() == null) { _binding.setIdoclistServer(SapFactory.eINSTANCE.createCamelSapIDocListServerType()); } _binding.setSrfcServer(null); _binding.setTrfcServer(null); } else if (clazz.equals(CamelSapSRfcServerType.class)) { _binding.setIdoclistServer(null); if (_binding.getSrfcServer() == null) { _binding.setSrfcServer(SapFactory.eINSTANCE.createCamelSapSRfcServerType()); } _binding.setTrfcServer(null); } else if (clazz.equals(CamelSapTRfcServerType.class)) { _binding.setIdoclistServer(null); _binding.setSrfcServer(null); if (_binding.getTrfcServer() == null) { _binding.setTrfcServer(SapFactory.eINSTANCE.createCamelSapTRfcServerType()); } } _iDocPage.setEnabled(clazz.equals(CamelSapIDocListServerType.class)); _sRFCPage.setEnabled(clazz.equals(CamelSapSRfcServerType.class)); _tRFCPage.setEnabled(clazz.equals(CamelSapTRfcServerType.class)); _idocServerTextBinding.validateTargetToModel(); _idocTypeTextBinding.validateTargetToModel(); _tRFCServerTextBinding.validateTargetToModel(); _tRFCRFCTextBinding.validateTargetToModel(); _sRFCServerTextBinding.validateTargetToModel(); _sRFCRFCTextBinding.validateTargetToModel(); } }); } } private void handleSelection(String sapType) { if (sapType.equals("IDoc List")) { _layout.topControl = _iDocPage; selectSAPType(CamelSapIDocListServerType.class); } else if (sapType.equals("sRFC")) { _layout.topControl = _sRFCPage; selectSAPType(CamelSapSRfcServerType.class); } else if (sapType.equals("tRFC")) { _layout.topControl = _tRFCPage; selectSAPType(CamelSapTRfcServerType.class); } _contentPanel.layout(); } @Override public Composite getPanel() { return this._panel; } protected void handleModify(final Control control) { setHasChanged(false); setDidSomething(true); } 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, CamelSapBindingType.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( Messages.CamelSAPComposite_Binding_name_empty_warning, Status.WARNING)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); /* * we also want to bind the name field to the binding name. note that * the model to target updater is configured to NEVER update. we want * the camel binding name to be the definitive source for this field. */ 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( Messages.CamelSAPComposite_Binding_name_empty_warning, Status.WARNING)), new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER)); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); FeaturePath path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__IDOCLIST_SERVER, SapPackage.Literals.CAMEL_SAP_IDOC_LIST_SERVER_TYPE__SERVER_NAME); _idocServerTextBinding = context.bindValue( SWTObservables.observeText(_idocServerText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new StringEmptyControlAwareValidator( Messages.CamelSAPComposite_Server_name_empty_error, _idocServerText)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(_idocServerTextBinding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__IDOCLIST_SERVER, SapPackage.Literals.CAMEL_SAP_IDOC_LIST_SERVER_TYPE__IDOC_TYPE); _idocTypeTextBinding = context.bindValue( SWTObservables.observeText(_idocTypeText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator( new StringEmptyControlAwareValidator("IDoc Type cannot be empty.", _idocTypeText)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(_idocTypeTextBinding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__IDOCLIST_SERVER, SapPackage.Literals.CAMEL_SAP_IDOC_LIST_SERVER_TYPE__IDOC_TYPE_EXTENSION); binding = context.bindValue(SWTObservables.observeText(_idocTypeExtText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__IDOCLIST_SERVER, SapPackage.Literals.CAMEL_SAP_IDOC_LIST_SERVER_TYPE__SYSTEM_RELEASE); binding = context.bindValue(SWTObservables.observeText(_systemReleaseText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__IDOCLIST_SERVER, SapPackage.Literals.CAMEL_SAP_IDOC_LIST_SERVER_TYPE__APPLICATION_RELEASE); binding = context.bindValue(SWTObservables.observeText(_applicationReleaseText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__TRFC_SERVER, SapPackage.Literals.CAMEL_SAP_TRFC_SERVER_TYPE__SERVER_NAME); _tRFCServerTextBinding = context.bindValue( SWTObservables.observeText(_tRFCServerText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new StringEmptyControlAwareValidator( Messages.CamelSAPComposite_Server_name_empty_error, _tRFCServerText)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(_tRFCServerTextBinding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__TRFC_SERVER, SapPackage.Literals.CAMEL_SAP_TRFC_SERVER_TYPE__RFC_NAME); _tRFCRFCTextBinding = context.bindValue( SWTObservables.observeText(_trfcRFCNameText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new StringEmptyControlAwareValidator( Messages.CamelSAPComposite_RFC_name_empty_error, _trfcRFCNameText)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(_tRFCRFCTextBinding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__SRFC_SERVER, SapPackage.Literals.CAMEL_SAP_SRFC_SERVER_TYPE__SERVER_NAME); _sRFCServerTextBinding = context.bindValue( SWTObservables.observeText(_srfcServerText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new StringEmptyControlAwareValidator( Messages.CamelSAPComposite_Server_name_empty_error, _srfcServerText)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(_sRFCServerTextBinding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(SapPackage.Literals.CAMEL_SAP_BINDING_TYPE__SRFC_SERVER, SapPackage.Literals.CAMEL_SAP_SRFC_SERVER_TYPE__RFC_NAME); _sRFCRFCTextBinding = context.bindValue( SWTObservables.observeText(_srfcRFCNameText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new StringEmptyControlAwareValidator( Messages.CamelSAPComposite_RFC_name_empty_error, _srfcRFCNameText)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(_sRFCRFCTextBinding), SWT.TOP | SWT.LEFT); } /* * (non-Javadoc) * * @see * org.switchyard.tools.ui.editor.diagram.shared.AbstractSwitchyardComposite * #dispose() */ @Override public void dispose() { _bindingValue.dispose(); super.dispose(); } }