Java tutorial
/** * Copyright (C) 2010 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.simulation.properties.contributions; import java.util.ArrayList; import java.util.List; import org.bonitasoft.studio.common.ExpressionConstants; import org.bonitasoft.studio.common.emf.tools.ModelHelper; import org.bonitasoft.studio.common.properties.AbstractPropertySectionContribution; import org.bonitasoft.studio.common.properties.DynamicAddRemoveLineComposite; 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.simulation.DataChange; import org.bonitasoft.studio.model.simulation.SimulationActivity; import org.bonitasoft.studio.model.simulation.SimulationData; import org.bonitasoft.studio.model.simulation.SimulationFactory; import org.bonitasoft.studio.model.simulation.SimulationPackage; import org.bonitasoft.studio.simulation.i18n.Messages; import org.bonitasoft.studio.simulation.wizards.AddSimulationDataWizard; import org.eclipse.core.databinding.Binding; 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.AddCommand; import org.eclipse.emf.edit.command.RemoveCommand; import org.eclipse.emf.edit.command.SetCommand; import org.eclipse.jface.databinding.viewers.ViewerProperties; import org.eclipse.jface.databinding.viewers.ViewersObservables; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; /** * @author Baptiste Mesta * */ public class DataChangesContribution extends AbstractPropertySectionContribution { List<Combo> combos = new ArrayList<Combo>(); List<Button> createButtons = new ArrayList<Button>(); List<Composite> composites = new ArrayList<Composite>(); List<Binding> bindings = new ArrayList<Binding>(); private DynamicAddRemoveLineComposite dynamicComposite; private EMFDataBindingContext context; private final List<DataChange> dataChanges = new ArrayList<DataChange>(); /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#isRelevantFor(org.eclipse.emf.ecore.EObject) */ @Override public boolean isRelevantFor(EObject eObject) { return eObject instanceof SimulationActivity; } /* (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.Data; } /* (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(final Composite composite, final TabbedPropertySheetWidgetFactory widgetFactory, final ExtensibleGridPropertySection extensibleGridPropertySection) { composite.setLayout(new GridLayout(1, false)); context = new EMFDataBindingContext(); dynamicComposite = new DynamicAddRemoveLineComposite(composite, SWT.NONE) { @Override protected org.eclipse.swt.widgets.Button createAddButton(Composite parent) { org.eclipse.swt.widgets.Button addButton = new Button(parent, SWT.FLAT); addButton.setText(Messages.add); return addButton; }; @Override protected Control createLineComposite(Composite parent, Object object) { final DataChange dataChange; if (object instanceof DataChange) { dataChange = (DataChange) object; } else { dataChange = SimulationFactory.eINSTANCE.createDataChange(); AddCommand addCommand = new AddCommand(editingDomain, eObject, SimulationPackage.Literals.SIMULATION_ACTIVITY__DATA_CHANGE, dataChange); editingDomain.getCommandStack().execute(addCommand); } Composite lineComposite = getWidgetFactory().createComposite(parent); composites.add(lineComposite); lineComposite.setLayout(new GridLayout(5, false)); getWidgetFactory().createLabel(lineComposite, Messages.Data); final Combo combo = new Combo(lineComposite, SWT.READ_ONLY); combo.setLayoutData(GridDataFactory.swtDefaults().hint(85, SWT.DEFAULT).create()); final ComboViewer viewer = new ComboViewer(combo); viewer.setLabelProvider(new LabelProvider() { @Override public String getText(Object element) { return ((SimulationData) element).getName(); }; }); viewer.setContentProvider(ArrayContentProvider.getInstance()); viewer.setInput(ModelHelper.getParentProcess(eObject).getSimulationData()); if (dataChange.getData() != null) { viewer.setSelection(new StructuredSelection(dataChange.getData())); } getWidgetFactory().createLabel(lineComposite, Messages.Expression); final ExpressionViewer expressionText = new ExpressionViewer(lineComposite, SWT.BORDER, widgetFactory, editingDomain, SimulationPackage.Literals.DATA_CHANGE__VALUE); expressionText.addFilter( new AvailableExpressionTypeFilter(new String[] { ExpressionConstants.CONSTANT_TYPE, ExpressionConstants.SIMULATION_VARIABLE_TYPE, ExpressionConstants.SCRIPT_TYPE })); expressionText.getControl() .setLayoutData(GridDataFactory.swtDefaults().hint(250, SWT.DEFAULT).create()); Expression selection = dataChange.getValue(); if (selection == null) { selection = ExpressionFactory.eINSTANCE.createExpression(); editingDomain.getCommandStack().execute(SetCommand.create(editingDomain, dataChange, SimulationPackage.Literals.DATA_CHANGE__VALUE, selection)); } context.bindValue(ViewerProperties.singleSelection().observe(expressionText), EMFEditProperties .value(editingDomain, SimulationPackage.Literals.DATA_CHANGE__VALUE).observe(dataChange)); expressionText.setInput(dataChange); //expressionText.setSelection(new StructuredSelection(selection)) ; Button createDataButton = new Button(lineComposite, SWT.FLAT); createDataButton.setText(Messages.createSimulationData); createDataButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { AddSimulationDataWizard wiz = new AddSimulationDataWizard( ModelHelper.getParentProcess(eObject), editingDomain); if (new WizardDialog(Display.getDefault().getActiveShell(), wiz) .open() == WizardDialog.OK) { viewer.setInput(ModelHelper.getParentProcess(eObject).getSimulationData()); viewer.setSelection(new StructuredSelection(wiz.getCreatedData())); // expressionText.reset() ; // expressionText.setText(GroovyUtil.GROOVY_PREFIX + wiz.getCreatedData().getName() + GroovyUtil.GROOVY_SUFFIX); } } }); createButtons.add(createDataButton); combos.add(combo); dataChanges.add(dataChange); bindings.add(context.bindValue(ViewersObservables.observeSingleSelection(viewer), EMFEditObservables .observeValue(editingDomain, dataChange, SimulationPackage.Literals.DATA_CHANGE__DATA))); return lineComposite; } @Override protected void lineRemoved(int i) { composites.remove(i); createButtons.remove(i); combos.remove(i); context.removeBinding(bindings.get(i)); bindings.remove(i); DataChange dataChange = dataChanges.get(i); RemoveCommand removeCommand = new RemoveCommand(editingDomain, eObject, SimulationPackage.Literals.SIMULATION_ACTIVITY__DATA_CHANGE, dataChange); editingDomain.getCommandStack().execute(removeCommand); dataChanges.remove(i); extensibleGridPropertySection.getTabbedPropertySheetPage().resizeScrolledComposite(); } @Override protected void lineAdded(int i) { extensibleGridPropertySection.getTabbedPropertySheetPage().resizeScrolledComposite(); } @Override protected TabbedPropertySheetWidgetFactory getWidgetFactory() { return widgetFactory; } @Override protected Composite getTopComposite() { return (Composite) extensibleGridPropertySection.getTabbedPropertySheetPage().getControl(); } }; dynamicComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); fillDynamicWidget(); } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#dispose() */ @Override public void dispose() { if (context != null) { context.dispose(); } } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.AbstractPropertySectionContribution#setEObject(org.eclipse.emf.ecore.EObject) */ @Override public void setEObject(EObject object) { super.setEObject(object); } /** * */ private void fillDynamicWidget() { dataChanges.clear(); for (DataChange dataChange : ((SimulationActivity) eObject).getDataChange()) { dynamicComposite.addLine(dataChange); } } }