Java tutorial
/** * Copyright (C) 2009 BonitaSoft S.A. * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2.0 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.bonitasoft.studio.connectors.ui.wizard.page; import java.util.Set; import org.bonitasoft.engine.bpm.connector.ConnectorEvent; import org.bonitasoft.studio.common.widgets.LifeCycleWidget; import org.bonitasoft.studio.connector.model.definition.wizard.SelectNameAndDescWizardPage; import org.bonitasoft.studio.connectors.i18n.Messages; import org.bonitasoft.studio.model.form.Form; import org.bonitasoft.studio.model.form.FormPackage; import org.bonitasoft.studio.model.form.SubmitFormButton; import org.bonitasoft.studio.model.process.Connector; import org.bonitasoft.studio.model.process.ProcessPackage; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.core.databinding.conversion.Converter; import org.eclipse.emf.databinding.EMFDataBindingContext; import org.eclipse.emf.databinding.EMFObservables; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.EStructuralFeature; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.swt.WidgetProperties; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; /** * @author Romain Bioteau * */ public class SelectEventConnectorNameAndDescWizardPage extends SelectNameAndDescWizardPage { private LifeCycleWidget lifeCycle; public SelectEventConnectorNameAndDescWizardPage(EObject container, Connector connectorWorkingCopy, Connector originalConnector, Set<EStructuralFeature> featureToCheckForUniqueID) { super(container, connectorWorkingCopy, originalConnector, featureToCheckForUniqueID); } @Override protected Composite doCreateControl(Composite parent, EMFDataBindingContext context) { Composite composite = super.doCreateControl(parent, context); createLifecycle(composite); createConnectorFailsControls(composite, context); return composite; } protected void createLifecycle(Composite composite) { if (connector.eContainingFeature() != ProcessPackage.Literals.PAGE_FLOW__PAGE_FLOW_CONNECTORS) { if (container != null && activityHasLifecycle() && !ProcessPackage.Literals.CATCH_MESSAGE_EVENT.isSuperTypeOf(container.eClass()) && !ProcessPackage.Literals.CATCH_SIGNAL_EVENT.isSuperTypeOf(container.eClass()) && !ProcessPackage.Literals.ERROR_EVENT.isSuperTypeOf(container.eClass()) && !ProcessPackage.Literals.TIMER_EVENT.isSuperTypeOf(container.eClass())) { Label eventLabel = new Label(composite, SWT.NONE); eventLabel.setLayoutData(GridDataFactory.fillDefaults().align(SWT.END, SWT.TOP).create()); eventLabel.setText(Messages.selectActivityEvent); lifeCycle = new LifeCycleWidget(composite, getEvent(), null); GridData gd1 = new GridData(lifeCycle.getWidth(), lifeCycle.getHeight()); gd1.horizontalIndent = 0; lifeCycle.setLayoutData(gd1); lifeCycle.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { setEvent(lifeCycle.getEvent()); } }); if (connector != null && connector.getEvent() != null) { setEvent(connector.getEvent()); } else { setEvent(ConnectorEvent.ON_FINISH.toString()); } } else { setEvent(ConnectorEvent.ON_FINISH.toString()); } } } protected void createConnectorFailsControls(Composite composite, EMFDataBindingContext context) { Label connectorFailsLabel = new Label(composite, SWT.NONE); connectorFailsLabel.setText(Messages.connectorCrashLabel); connectorFailsLabel.setLayoutData(GridDataFactory.fillDefaults().align(SWT.END, SWT.CENTER).create()); if (connector.eContainingFeature() == ProcessPackage.Literals.PAGE_FLOW__PAGE_FLOW_CONNECTORS || container instanceof Form || container instanceof SubmitFormButton) { Label connectorFailText = new Label(composite, SWT.NONE); connectorFailText.setText(Messages.connectorFails_throwException); connectorFailText .setLayoutData(GridDataFactory.fillDefaults().align(SWT.BEGINNING, SWT.CENTER).create()); connector.setThrowErrorEvent(false); connector.setIgnoreErrors(false); connector.setNamedError(""); } else { final Combo connectorFailsCombo = new Combo(composite, SWT.READ_ONLY); connectorFailsCombo.add(Messages.connectorFails_crash); connectorFailsCombo.add(Messages.connectorFails_ignore); // Throw Event are not allowed in Connector in forms if (!(container instanceof Form || container instanceof SubmitFormButton)) { connectorFailsCombo.add(Messages.connectorFails_throwEvent); } UpdateValueStrategy ignoreEventStrategyTarget = new UpdateValueStrategy(); ignoreEventStrategyTarget.setConverter(new Converter(String.class, Boolean.class) { @Override public Object convert(Object from) { if (from != null) { return from.toString().equals(Messages.connectorFails_ignore); } return Boolean.FALSE; } }); UpdateValueStrategy ignoreEventStrategyModel = new UpdateValueStrategy(); ignoreEventStrategyModel.setConverter(new Converter(Boolean.class, String.class) { @Override public Object convert(Object from) { if ((Boolean) from) { return Messages.connectorFails_ignore; } else if (connector.isThrowErrorEvent()) { return Messages.connectorFails_throwEvent; } return Messages.connectorFails_crash; } }); context.bindValue(WidgetProperties.text().observe(connectorFailsCombo), EMFObservables.observeValue(connector, ProcessPackage.Literals.CONNECTOR__IGNORE_ERRORS), ignoreEventStrategyTarget, ignoreEventStrategyModel); UpdateValueStrategy throwEventStrategyTarget = new UpdateValueStrategy(); throwEventStrategyTarget.setConverter(new Converter(String.class, Boolean.class) { @Override public Object convert(Object from) { if (from != null) { return from.toString().equals(Messages.connectorFails_throwEvent); } return Boolean.FALSE; } }); UpdateValueStrategy throwEventStrategyModel = new UpdateValueStrategy(); throwEventStrategyModel.setConverter(new Converter(Boolean.class, String.class) { @Override public Object convert(Object from) { if ((Boolean) from) { return Messages.connectorFails_throwEvent; } else if (connector.isIgnoreErrors()) { return Messages.connectorFails_ignore; } return Messages.connectorFails_crash; } }); context.bindValue(WidgetProperties.text().observe(connectorFailsCombo), EMFObservables.observeValue(connector, ProcessPackage.Literals.CONNECTOR__THROW_ERROR_EVENT), throwEventStrategyTarget, throwEventStrategyModel); Label namedErrorEvent = new Label(composite, SWT.NONE); namedErrorEvent.setText(Messages.connectorFails_namedError); namedErrorEvent.setLayoutData(GridDataFactory.fillDefaults().align(SWT.END, SWT.CENTER).create()); final Text namedErrorText = new Text(composite, SWT.BORDER); namedErrorText.setTextLimit(255); namedErrorText.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); UpdateValueStrategy enableNamedErrorStrategyTarget = new UpdateValueStrategy(); enableNamedErrorStrategyTarget.setConverter(new Converter(String.class, Boolean.class) { @Override public Object convert(Object from) { if (from != null) { return from.toString().equals(Messages.connectorFails_throwEvent); } return Boolean.FALSE; } }); context.bindValue(SWTObservables.observeText(namedErrorText, SWT.Modify), EMFObservables.observeValue(connector, ProcessPackage.Literals.CONNECTOR__NAMED_ERROR)); namedErrorText.setEnabled(connector.isThrowErrorEvent()); context.bindValue(WidgetProperties.text().observe(connectorFailsCombo), SWTObservables.observeEnabled(namedErrorText), enableNamedErrorStrategyTarget, new UpdateValueStrategy(UpdateValueStrategy.POLICY_NEVER)); } } private boolean activityHasLifecycle() { return !container.eClass().equals(ProcessPackage.Literals.TIMER_EVENT) && !container.eClass().equals(ProcessPackage.Literals.CATCH_MESSAGE_EVENT) && !container.eClass().equals(ProcessPackage.Literals.CATCH_SIGNAL_EVENT) && !container.eClass().equals(ProcessPackage.Literals.ERROR_EVENT) && !container.eClass().equals(FormPackage.Literals.FORM) && !FormPackage.Literals.WIDGET.isSuperTypeOf(container.eClass()); } public void setEvent(String event) { connector.setEvent(event); } public String getEvent() { return connector.getEvent(); } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.DialogPage#dispose() */ @Override public void dispose() { super.dispose(); if (lifeCycle != null && !lifeCycle.isDisposed()) { lifeCycle.dispose(); } } }