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.camel.file; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; 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.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.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.Group; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.forms.widgets.FormToolkit; import org.switchyard.tools.models.switchyard1_0.camel.file.CamelFileBindingType; import org.switchyard.tools.models.switchyard1_0.camel.file.FilePackage; 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; import org.switchyard.tools.ui.editor.diagram.binding.OperationSelectorComposite; /** * @author bfitzpat * */ public class CamelFileConsumerComposite extends AbstractSYBindingComposite { private Composite _panel; private CamelFileBindingType _binding = null; private Text _nameText; private Text _directoryText; private Text _fileNameText; private Button _autoCreateButton; private Text _includeText; private Text _excludeText; private Text _preMoveText; private Text _moveText; private Text _moveFailedText; private Text _maxMessagesPerPollText; private Text _delayText; private OperationSelectorComposite _opSelectorComposite; private WritableValue _bindingValue; CamelFileConsumerComposite(FormToolkit toolkit) { super(toolkit); } @Override public String getTitle() { return Messages.title_fileBindingDetails; } @Override public String getDescription() { return Messages.description_fileBindingDetails; } @Override public void setBinding(Binding impl) { super.setBinding(impl); if (impl instanceof CamelFileBindingType) { _binding = (CamelFileBindingType) impl; _bindingValue.setValue(_binding); // refresh the operation selector control if (_opSelectorComposite != null && !_opSelectorComposite.isDisposed() && getTargetObject() != null) { _opSelectorComposite.setTargetObject(getTargetObject()); } _opSelectorComposite.setBinding(_binding); } else { _bindingValue.setValue(null); } } @Override public void setTargetObject(EObject target) { super.setTargetObject(target); if (_opSelectorComposite != null && !_opSelectorComposite.isDisposed()) { _opSelectorComposite.setTargetObject((EObject) target); } } @Override public void createContents(Composite parent, int style, DataBindingContext context) { _panel = new Composite(parent, style); _panel.setLayout(new FillLayout()); getConsumerTabControl(_panel); bindControls(context); } private Control getConsumerTabControl(Composite tabFolder) { Composite composite = new Composite(tabFolder, SWT.NONE); GridLayout gl = new GridLayout(2, false); composite.setLayout(gl); _nameText = createLabelAndText(composite, Messages.label_name); _directoryText = createLabelAndText(composite, Messages.label_directoryStar); _fileNameText = createLabelAndText(composite, Messages.label_fileName); _autoCreateButton = createCheckbox(composite, Messages.label_autoCreateMissingDirectories); _includeText = createLabelAndText(composite, Messages.label_include); _excludeText = createLabelAndText(composite, Messages.label_exclude); _opSelectorComposite = new OperationSelectorComposite(composite, SWT.NONE, this); _opSelectorComposite.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false, 2, 1)); _opSelectorComposite.setLayout(new GridLayout(2, false)); _opSelectorComposite.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { handleModify(_opSelectorComposite); } }); Group moveGroup = new Group(composite, SWT.NONE); moveGroup.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false, 2, 1)); moveGroup.setLayout(new GridLayout(2, false)); moveGroup.setText(Messages.label_moveOptions); _preMoveText = createLabelAndText(moveGroup, Messages.label_preMove); _moveText = createLabelAndText(moveGroup, Messages.label_moveDefaultDotCamel); _moveFailedText = createLabelAndText(moveGroup, Messages.label_moveFailed); Group pollGroup = new Group(composite, SWT.NONE); pollGroup.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false, 2, 1)); pollGroup.setLayout(new GridLayout(2, false)); pollGroup.setText(Messages.label_pollOptions); _maxMessagesPerPollText = createLabelAndText(pollGroup, Messages.label_maxMessagesPerPollDefault0); _delayText = createLabelAndText(pollGroup, Messages.label_delayBetweenPollsDefault500); return composite; } @Override public Composite getPanel() { return this._panel; } protected void handleModify(final Control control) { // at this point, this is the only control we can't do with strict // databinding if (control.equals(_opSelectorComposite)) { fireChangedEvent(_opSelectorComposite); } 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, CamelFileBindingType.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("File 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("File binding name should not be empty", Status.WARNING)), new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER)); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeText(_directoryText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__DIRECTORY), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new StringEmptyValidator(Messages.error_emptyDirectory)), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeText(_fileNameText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__FILE_NAME), new EMFUpdateValueStrategyNullForEmptyString("", UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); binding = context.bindValue(SWTObservables.observeSelection(_autoCreateButton), ObservablesUtil.observeDetailValue(domain, _bindingValue, FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__AUTO_CREATE), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); bindConsumeControls(context, domain); _opSelectorComposite.bindControls(domain, context); } private void bindConsumeControls(final DataBindingContext context, final EditingDomain domain) { FeaturePath path = FeaturePath.fromList(FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__CONSUME, FilePackage.Literals.FILE_CONSUMER_TYPE__INCLUDE); org.eclipse.core.databinding.Binding binding = context.bindValue( SWTObservables.observeText(_includeText, 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(FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__CONSUME, FilePackage.Literals.FILE_CONSUMER_TYPE__EXCLUDE); binding = context.bindValue(SWTObservables.observeText(_excludeText, 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(FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__CONSUME, FilePackage.Literals.FILE_CONSUMER_TYPE__PRE_MOVE); binding = context.bindValue(SWTObservables.observeText(_preMoveText, 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(FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__CONSUME, FilePackage.Literals.FILE_CONSUMER_TYPE__MOVE); binding = context.bindValue(SWTObservables.observeText(_moveText, 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(FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__CONSUME, FilePackage.Literals.FILE_CONSUMER_TYPE__MOVE_FAILED); binding = context.bindValue(SWTObservables.observeText(_moveFailedText, 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(FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__CONSUME, FilePackage.Literals.FILE_CONSUMER_TYPE__MAX_MESSAGES_PER_POLL); binding = context.bindValue(SWTObservables.observeText(_maxMessagesPerPollText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new EscapedPropertyIntegerValidator( "Max Messages per Poll must be a valid numeric value or follow the pattern for escaped properties (i.e. '${propName}').")), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); path = FeaturePath.fromList(FilePackage.Literals.CAMEL_FILE_BINDING_TYPE__CONSUME, FilePackage.Literals.FILE_CONSUMER_TYPE__DELAY); binding = context.bindValue(SWTObservables.observeText(_delayText, new int[] { SWT.Modify }), ObservablesUtil.observeDetailValue(domain, _bindingValue, path), new EMFUpdateValueStrategyNullForEmptyString(null, UpdateValueStrategy.POLICY_CONVERT) .setAfterConvertValidator(new EscapedPropertyIntegerValidator( "Delay must be a valid numeric value or follow the pattern for escaped properties (i.e. '${propName}').")), null); ControlDecorationSupport.create(SWTValueUpdater.attach(binding), SWT.TOP | SWT.LEFT); } /* (non-Javadoc) * @see org.switchyard.tools.ui.editor.diagram.shared.AbstractSwitchyardComposite#dispose() */ @Override public void dispose() { _bindingValue.dispose(); super.dispose(); } }