Java tutorial
/******************************************************************************* * Copyright (c) 2012-2014 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: * Red Hat, Inc. - initial API and implementation * * @author bfitzpat ******************************************************************************/ package org.switchyard.tools.ui.editor.components.resteasy; 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.soa.sca.sca1_1.model.sca.Binding; import org.eclipse.soa.sca.sca1_1.model.sca.Reference; 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.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.forms.widgets.FormToolkit; import org.switchyard.tools.models.switchyard1_0.resteasy.RESTBindingType; import org.switchyard.tools.models.switchyard1_0.resteasy.ResteasyPackage; import org.switchyard.tools.ui.editor.Messages; 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.diagram.binding.AbstractSYBindingComposite; /** * @author bfitzpat * */ public class ResteasyBindingComposite extends AbstractSYBindingComposite { private Composite _panel; private Text _nameText; private Text _mAddressURLText; private Text _contextPathText = null; private DelimitedStringList _interfacesList = null; private RESTBindingType _binding = null; private Text _requestTimeoutText = null; private WritableValue _bindingValue; ResteasyBindingComposite(FormToolkit toolkit) { super(toolkit); } @Override public String getTitle() { return Messages.title_restBindingDetails; } @Override public String getDescription() { return Messages.description_restBindingDetails; } @Override public void createContents(Composite parent, int style, DataBindingContext context) { _panel = new Composite(parent, style); _panel.setLayout(new FillLayout()); getResteasyControl(_panel); bindControls(context); } private Control getResteasyControl(Composite tabFolder) { Composite composite = new Composite(tabFolder, SWT.NONE); GridLayout gl = new GridLayout(2, false); composite.setLayout(gl); _nameText = createLabelAndText(composite, Messages.label_name); if (getTargetObject() instanceof Reference) { _mAddressURLText = createLabelAndText(composite, Messages.label_address); _mAddressURLText.setEnabled(canEdit()); _requestTimeoutText = createLabelAndText(composite, Messages.label_requestTimeout); _requestTimeoutText.setEnabled(canEdit()); } else { _contextPathText = createLabelAndText(composite, Messages.label_contextPath); _contextPathText.setEnabled(canEdit()); } Label interfacesLabel = new Label(composite, SWT.NULL); interfacesLabel.setText(Messages.label_restfulInterfaces); interfacesLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, false, false, 2, 1)); _interfacesList = new DelimitedStringList(composite, SWT.NULL, !canEdit()); GridData ilGD = new GridData(GridData.FILL_HORIZONTAL); ilGD.horizontalSpan = 2; _interfacesList.setLayoutData(ilGD); return composite; } protected void handleModify(Control control) { // if (control.equals(_interfacesList)) { // fireChangedEvent(_interfacesList); // } setHasChanged(false); setDidSomething(true); } /** * @return panel */ public Composite getPanel() { return _panel; } /** * @param switchYardBindingType binding */ public void setBinding(Binding switchYardBindingType) { super.setBinding(switchYardBindingType); if (switchYardBindingType instanceof RESTBindingType) { setTargetObject(switchYardBindingType.eContainer()); this._binding = (RESTBindingType) switchYardBindingType; _bindingValue.setValue(_binding); if (_interfacesList != null && !_interfacesList.isDisposed()) { if (_binding.getInterfaces() != null) { this._interfacesList.setSelection(_binding.getInterfaces()); } } } else { _bindingValue.setValue(null); } } 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, RESTBindingType.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("REST binding name should not be empty", 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("REST binding name cannot be empty", Status.WARNING)), new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER)); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); if (getTargetObject() instanceof Reference) { binding = context.bindValue(SWTObservables.observeText(_mAddressURLText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, ResteasyPackage.Literals.REST_BINDING_TYPE__ADDRESS), new EMFUpdateValueStrategyNullForEmptyString("", UpdateValueStrategy.POLICY_CONVERT), null); // TODO: Need to validate to make sure no spaces before/after address ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeText(_requestTimeoutText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, ResteasyPackage.Literals.REST_BINDING_TYPE__TIMEOUT), new EMFUpdateValueStrategyNullForEmptyString("", UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new EscapedPropertyIntegerValidator( "Request Timeout 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); } else { binding = context.bindValue(SWTObservables.observeText(_contextPathText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, ResteasyPackage.Literals.REST_BINDING_TYPE__CONTEXT_PATH), new EMFUpdateValueStrategyNullForEmptyString("", UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); } binding = context.bindValue( SWTObservables.observeText(_interfacesList.getHiddenText(), new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, ResteasyPackage.Literals.REST_BINDING_TYPE__INTERFACES), new EMFUpdateValueStrategyNullForEmptyString("", UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new StringEmptyValidator(Messages.error_noRestInterfaceOrClass)), 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(); } }