Java tutorial
/******************************************************************************* * Copyright (c) 2006-2013 The RCP Company and others. * All rights reserved. This program and the accompanying materials * are 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: * The RCP Company - initial API and implementation *******************************************************************************/ package com.rcpcompany.uibindings.extests.viewerBindings; import static com.rcpcompany.test.utils.BaseTestUtils.*; import static com.rcpcompany.test.utils.ui.UITestUtils.*; import static org.junit.Assert.*; import org.eclipse.emf.common.notify.Notification; import org.eclipse.emf.common.notify.impl.AdapterImpl; import org.eclipse.emf.ecore.EAttribute; import org.eclipse.emf.ecore.EObject; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Table; import org.junit.After; import org.junit.Before; import org.junit.Test; import com.rcpcompany.uibindings.BindingState; import com.rcpcompany.uibindings.IBinding; import com.rcpcompany.uibindings.IBindingContext; import com.rcpcompany.uibindings.IColumnBinding; import com.rcpcompany.uibindings.IManager; import com.rcpcompany.uibindings.IUIBindingsPackage; import com.rcpcompany.uibindings.IViewerBinding; import com.rcpcompany.uibindings.TextCommitStrategy; import com.rcpcompany.uibindings.moao.IMOAOPackage; import com.rcpcompany.uibindings.tests.shop.Contact; import com.rcpcompany.uibindings.tests.shop.Country; import com.rcpcompany.uibindings.tests.shop.Shop; import com.rcpcompany.uibindings.tests.shop.ShopFactory; import com.rcpcompany.uibindings.tests.shop.ShopPackage; import com.rcpcompany.uibindings.tests.utils.BaseUIBTestUtils; import com.rcpcompany.uibindings.tests.utils.views.UIBTestView; /** * Tests the dispose sequence of a viewer and the columns in the viewer. * <p> * Multiple cases: * <ul> * <li>The composite of the context is disposed</li> * <li>The composite of the viewer is disposed</li> * <li>The context is disposed</li> * <li>The viewer is disposed</li> * </ul> * * @author Tonny Madsen, The RCP Company */ public class ViewerDisposeTest { private Shop myShop; private UIBTestView myView; private Composite myBody; private Composite myContextTop; private Composite myViewerTop; private TableViewer myTableViewer; private TableViewerColumn myContactNameColumn; private TableViewerColumn myCountryNameColumn; private TableViewerColumn myCountryAbbrevColumn; private TableViewerColumn myContactCityColumn; private IBindingContext myContext; private IViewerBinding myViewerBinding; private Table myTable; private IColumnBinding myContactNameBinding; private IColumnBinding myCountryAbbrevBinding; private IColumnBinding myCountryNameBinding; private IColumnBinding myContactCityBinding; @Before public void before() { BaseUIBTestUtils.resetAll(); IManager.Factory.getManager().setTextCommitStrategy(TextCommitStrategy.ON_MODIFY); IManager.Factory.getManager().setEditCellSingleClick(false); createModel(); createView(); bindUI(); myView.getSite().getPage().activate(myView); myBody.layout(); } /** * Creates the shop itself */ public void createModel() { myShop = ShopFactory.eINSTANCE.createShop(); final Country dk = ShopFactory.eINSTANCE.createCountry(); dk.setName("Denmark"); dk.setAbbreviation("DK"); myShop.getCountries().add(dk); final Country se = ShopFactory.eINSTANCE.createCountry(); se.setName("Sweden"); se.setAbbreviation("SE"); myShop.getCountries().add(se); final Contact a = ShopFactory.eINSTANCE.createContact(); a.setName("a"); a.setCity("A"); a.setCountry(dk); myShop.getContacts().add(a); final Contact b = ShopFactory.eINSTANCE.createContact(); b.setName("b"); b.setCity("A"); b.setCountry(se); myShop.getContacts().add(b); } /** * Creates the view */ public void createView() { myView = BaseUIBTestUtils.createUIBTestView(this); myBody = myView.getBody(); myContextTop = new Composite(myBody, SWT.NONE); myContextTop.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); myContextTop.setLayout(new FillLayout()); myViewerTop = new Composite(myContextTop, SWT.NONE); myViewerTop.setLayout(new FillLayout()); myTableViewer = new TableViewer(myViewerTop, SWT.FULL_SELECTION | SWT.BORDER); myTable = myTableViewer.getTable(); myTable.setHeaderVisible(true); myContactNameColumn = new TableViewerColumn(myTableViewer, SWT.NONE); myContactNameColumn.getColumn().setWidth(100); myCountryAbbrevColumn = new TableViewerColumn(myTableViewer, SWT.NONE); myCountryAbbrevColumn.getColumn().setWidth(100); myCountryNameColumn = new TableViewerColumn(myTableViewer, SWT.NONE); myCountryNameColumn.getColumn().setWidth(100); myContactCityColumn = new TableViewerColumn(myTableViewer, SWT.NONE); myContactCityColumn.getColumn().setWidth(100); } @After public void disposeView() { if (myView != null) { myView.getSite().getPage().hideView(myView); } } /** * Binds the UI */ public void bindUI() { assertNoLog(new Runnable() { @Override public void run() { myContext = IBindingContext.Factory.createContext(myContextTop); myViewerBinding = myContext.addViewer(myTableViewer, myShop, ShopPackage.Literals.SHOP__CONTACTS); myContactNameBinding = myViewerBinding.addColumn(myContactNameColumn, IMOAOPackage.Literals.NAMED_OBJECT__NAME); myCountryAbbrevBinding = myViewerBinding.addColumn(myCountryAbbrevColumn, ShopPackage.Literals.CONTACT__COUNTRY); myCountryNameBinding = myCountryAbbrevBinding.addColumn(myCountryNameColumn, IMOAOPackage.Literals.NAMED_OBJECT__NAME); myContactCityBinding = myViewerBinding.addColumn(myContactCityColumn, ShopPackage.Literals.CONTACT__CITY); myContext.finish(); yield(); } }); } /** * Dispose the {@link Composite} of the {@link IBindingContext} */ @Test public void testContextCompositeDispose() { doTestDispose(new Runnable() { @Override public void run() { myContextTop.dispose(); } }); } /** * Dispose the {@link Composite} of the {@link IViewerBinding} */ @Test public void testViewerCompositeDispose() { doTestDispose(new Runnable() { @Override public void run() { myViewerTop.dispose(); } }); } /** * Dispose the {@link IBindingContext} */ @Test public void testContextDispose() { doTestDispose(new Runnable() { @Override public void run() { myContext.dispose(); } }); } /** * Dispose the {@link IViewerBinding} */ @Test public void testViewerDispose() { doTestDispose(new Runnable() { @Override public void run() { myViewerBinding.dispose(); } }); } private void doTestDispose(final Runnable runnable) { final int[] no = new int[] { 0 }; yield(); /* * The columns are disposed in various order, depending on where the dispose initiatted. * * Based on Context dispose: The column bindings are disposed in a reverse order, but child * columns before their base column. * * Base on Viewer dispose: The column bindings are disposed in order, but child columns * before their base column. */ monitorObject(myContactNameBinding, IUIBindingsPackage.Literals.BINDING__STATE, no, -1); monitorObject(myCountryNameBinding, IUIBindingsPackage.Literals.BINDING__STATE, no, -1); monitorObject(myCountryAbbrevBinding, IUIBindingsPackage.Literals.BINDING__STATE, no, -1); monitorObject(myContactCityBinding, IUIBindingsPackage.Literals.BINDING__STATE, no, -1); monitorObject(myViewerBinding, IUIBindingsPackage.Literals.BINDING__STATE, no, 4); assertNoLog(runnable); yield(); assertEquals(5, no[0]); } private void monitorObject(IBinding binding, final EAttribute stateAttribute, final int[] no, final int expectedNo) { ((EObject) binding).eAdapters().add(new AdapterImpl() { @Override public void notifyChanged(Notification msg) { synchronized (no) { if (msg.isTouch()) return; if (msg.getFeature() != stateAttribute) return; // We ignore the pending dispose for now... if (BindingState.DISPOSE_PENDING == ((EObject) msg.getNotifier()).eGet(stateAttribute)) return; assertEquals(BindingState.DISPOSED, ((EObject) msg.getNotifier()).eGet(stateAttribute)); if (expectedNo != -1) { assertEquals(expectedNo, no[0]); } no[0]++; } } }); } }