Java tutorial
/** * Copyright (C) 2010-2012 BonitaSoft S.A. * BonitaSoft, 32 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.simulation.properties.contributions; import org.bonitasoft.studio.common.ExpressionConstants; import org.bonitasoft.studio.common.databinding.BonitaNumberFormat; import org.bonitasoft.studio.common.databinding.WrappingValidator; import org.bonitasoft.studio.common.emf.tools.ModelHelper; import org.bonitasoft.studio.common.properties.AbstractPropertySectionContribution; import org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection; import org.bonitasoft.studio.expression.editor.filter.AvailableExpressionTypeFilter; import org.bonitasoft.studio.expression.editor.viewer.ExpressionViewer; import org.bonitasoft.studio.model.expression.Expression; import org.bonitasoft.studio.model.expression.ExpressionFactory; import org.bonitasoft.studio.model.process.CatchLinkEvent; import org.bonitasoft.studio.model.process.Connection; import org.bonitasoft.studio.model.simulation.SimulationPackage; import org.bonitasoft.studio.model.simulation.SimulationTransition; import org.bonitasoft.studio.simulation.i18n.Messages; import org.bonitasoft.studio.simulation.wizards.AddSimulationDataWizard; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.core.databinding.conversion.NumberToStringConverter; import org.eclipse.core.databinding.conversion.StringToNumberConverter; import org.eclipse.core.internal.databinding.validation.StringToDoubleValidator; import org.eclipse.emf.databinding.EMFDataBindingContext; import org.eclipse.emf.databinding.edit.EMFEditObservables; import org.eclipse.emf.databinding.edit.EMFEditProperties; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.edit.command.SetCommand; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.viewers.ViewerProperties; import org.eclipse.jface.fieldassist.ControlDecoration; import org.eclipse.jface.fieldassist.FieldDecoration; import org.eclipse.jface.fieldassist.FieldDecorationRegistry; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.StackLayout; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; /** * @author Baptiste Mesta * */ public class TransitionDataContribution extends AbstractPropertySectionContribution { private EMFDataBindingContext context; /* * (non-Javadoc) * * @see org.bonitasoft.studio.common.properties. * IExtensibleGridPropertySectionContribution * #isRelevantFor(org.eclipse.emf.ecore.EObject) */ @Override public boolean isRelevantFor(EObject eObject) { return eObject instanceof SimulationTransition; } /* * (non-Javadoc) * * @see org.bonitasoft.studio.common.properties. * IExtensibleGridPropertySectionContribution#refresh() */ @Override public void refresh() { } /* * (non-Javadoc) * * @see org.bonitasoft.studio.common.properties. * IExtensibleGridPropertySectionContribution#getLabel() */ @Override public String getLabel() { return Messages.transitionCondition; } /* * (non-Javadoc) * * @see org.bonitasoft.studio.common.properties. * IExtensibleGridPropertySectionContribution * #createControl(org.eclipse.swt.widgets.Composite, * org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory, * org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection) */ @Override public void createControl(Composite composite, TabbedPropertySheetWidgetFactory widgetFactory, ExtensibleGridPropertySection extensibleGridPropertySection) { composite.setLayout(new GridLayout(2, false)); Composite radioComposite = widgetFactory.createComposite(composite); radioComposite.setLayout(new FillLayout()); radioComposite.setLayoutData(GridDataFactory.fillDefaults().create()); Button expressionRadio = widgetFactory.createButton(radioComposite, "Expression", SWT.RADIO); Button probaRadio = widgetFactory.createButton(radioComposite, "Probability", SWT.RADIO); final Composite stackComposite = widgetFactory.createComposite(composite); stackComposite.setLayoutData(GridDataFactory.fillDefaults().create()); final StackLayout stackLayout = new StackLayout(); stackComposite.setLayout(stackLayout); final Composite probaComposite = widgetFactory.createComposite(stackComposite); probaComposite.setLayoutData(GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).create()); GridLayout layout = new GridLayout(1, false); layout.marginWidth = 10; probaComposite.setLayout(layout); Text probaText = widgetFactory.createText(probaComposite, "", SWT.BORDER); probaText.setLayoutData( GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).hint(50, SWT.DEFAULT).create()); ControlDecoration controlDecoration = new ControlDecoration(probaText, SWT.LEFT | SWT.TOP); FieldDecoration fieldDecoration = FieldDecorationRegistry.getDefault() .getFieldDecoration(FieldDecorationRegistry.DEC_ERROR); controlDecoration.setImage(fieldDecoration.getImage()); controlDecoration.setDescriptionText(Messages.mustBeAPercentage); final Composite expressionComposite = widgetFactory.createComposite(stackComposite); GridLayout layout2 = new GridLayout(2, false); layout2.marginWidth = 10; expressionComposite.setLayout(layout2); ExpressionViewer expressionText = new ExpressionViewer(expressionComposite, SWT.BORDER, widgetFactory, editingDomain, SimulationPackage.Literals.SIMULATION_TRANSITION__EXPRESSION); expressionText.getControl().setLayoutData( GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).hint(250, SWT.DEFAULT).create()); expressionText.addFilter(new AvailableExpressionTypeFilter( new String[] { ExpressionConstants.VARIABLE_TYPE, ExpressionConstants.GROOVY, ExpressionConstants.CONSTANT_TYPE, ExpressionConstants.PARAMETER_TYPE })); Expression selection = ((SimulationTransition) eObject).getExpression(); if (selection == null) { selection = ExpressionFactory.eINSTANCE.createExpression(); editingDomain.getCommandStack().execute(SetCommand.create(editingDomain, eObject, SimulationPackage.Literals.SIMULATION_TRANSITION__EXPRESSION, selection)); } if (context != null) { context.dispose(); } context = new EMFDataBindingContext(); context.bindValue(ViewerProperties.singleSelection().observe(expressionText), EMFEditProperties.value(editingDomain, SimulationPackage.Literals.SIMULATION_TRANSITION__EXPRESSION) .observe(eObject)); expressionText.setInput(eObject); Button createDataButton = new Button(expressionComposite, SWT.FLAT); createDataButton.setText(Messages.createSimulationData); createDataButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { AddSimulationDataWizard wiz = new AddSimulationDataWizard(ModelHelper.getParentProcess(eObject), editingDomain); WizardDialog dialog = new WizardDialog(Display.getDefault().getActiveShell(), wiz); if (dialog.open() == WizardDialog.OK) { // expressionText.reset() ; // expressionText.setText(GroovyUtil.GROOVY_PREFIX + wiz.getCreatedData().getName() + GroovyUtil.GROOVY_SUFFIX); } } }); boolean useExpression = ((SimulationTransition) eObject).isUseExpression(); if (useExpression) { stackLayout.topControl = expressionComposite; } else { stackLayout.topControl = probaComposite; } expressionRadio.setSelection(useExpression); probaRadio.setSelection(!useExpression); expressionRadio.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { if (((Button) e.getSource()).getSelection()) { stackLayout.topControl = expressionComposite; } else { stackLayout.topControl = probaComposite; } stackComposite.layout(); } }); context = new EMFDataBindingContext(); context.bindValue(SWTObservables.observeSelection(expressionRadio), EMFEditObservables.observeValue( editingDomain, eObject, SimulationPackage.Literals.SIMULATION_TRANSITION__USE_EXPRESSION)); context.bindValue(SWTObservables.observeText(probaText, SWT.Modify), EMFEditObservables.observeValue(editingDomain, eObject, SimulationPackage.Literals.SIMULATION_TRANSITION__PROBABILITY), new UpdateValueStrategy() .setConverter( StringToNumberConverter.toDouble(BonitaNumberFormat.getPercentInstance(), false)) .setAfterGetValidator(new WrappingValidator(controlDecoration, new StringToDoubleValidator(StringToNumberConverter .toDouble(BonitaNumberFormat.getPercentInstance(), false)))), new UpdateValueStrategy().setConverter( NumberToStringConverter.fromDouble(BonitaNumberFormat.getPercentInstance(), false))); if (eObject instanceof Connection) { if (((Connection) eObject).getSource() instanceof CatchLinkEvent) { radioComposite.setEnabled(false); probaText.setEnabled(false); } } } /* * (non-Javadoc) * * @see org.bonitasoft.studio.common.properties. * IExtensibleGridPropertySectionContribution#dispose() */ @Override public void dispose() { if (context != null) { context.dispose(); } } }