com.rcpcompany.uibindings.extests.viewerBindings.ViewerReflowTest.java Source code

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Here is the source code for com.rcpcompany.uibindings.extests.viewerBindings.ViewerReflowTest.java

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/*******************************************************************************
 * 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.ui.UITestUtils.*;
import static org.junit.Assert.*;

import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.TableViewerColumn;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;
import org.eclipse.ui.forms.widgets.TableWrapData;
import org.eclipse.ui.forms.widgets.TableWrapLayout;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import com.rcpcompany.uibindings.IBindingContext;
import com.rcpcompany.uibindings.IManager;
import com.rcpcompany.uibindings.IViewerBinding;
import com.rcpcompany.uibindings.TextCommitStrategy;
import com.rcpcompany.uibindings.moao.IMOAOPackage;
import com.rcpcompany.uibindings.tests.shop.Shop;
import com.rcpcompany.uibindings.tests.shop.ShopFactory;
import com.rcpcompany.uibindings.tests.shop.ShopItem;
import com.rcpcompany.uibindings.tests.shop.ShopPackage;
import com.rcpcompany.uibindings.tests.utils.BaseUIBTestUtils;
import com.rcpcompany.uibindings.tests.utils.views.UIBTestView;

/**
 * Tests the automatic reflow of forms when the size of a viewer changes.
 * 
 * @author Tonny Madsen, The RCP Company
 */
public class ViewerReflowTest {
    private Shop myShop;

    private UIBTestView myView;
    private Composite myBody;
    private TableViewer myTableViewer;
    private TableViewerColumn myNameColumn;

    private IBindingContext myContext;
    private IViewerBinding myViewerBinding;
    private Table myTable;

    @Before
    public void before() {
        BaseUIBTestUtils.resetAll();
        IManager.Factory.getManager().setTextCommitStrategy(TextCommitStrategy.ON_MODIFY);
        IManager.Factory.getManager().setEditCellSingleClick(false);

        createShop();
        createView();
        bindUI();

        myView.getSite().getPage().activate(myView);
        myBody.layout();
    }

    /**
     * Creates the shop itself
     */
    public void createShop() {
        myShop = ShopFactory.eINSTANCE.createShop();
    }

    /**
     * Creates the view
     */
    public void createView() {
        myView = BaseUIBTestUtils.createUIBTestView(this);
        myBody = myView.getBody();
        myBody.setLayout(new TableWrapLayout());

        myTableViewer = new TableViewer(myBody, SWT.FULL_SELECTION | SWT.BORDER);
        myTable = myTableViewer.getTable();
        myTable.setLayoutData(new TableWrapData(TableWrapData.FILL));
        myTable.setHeaderVisible(true);

        myNameColumn = new TableViewerColumn(myTableViewer, SWT.NONE);
        myNameColumn.getColumn().setWidth(100);
    }

    @After
    public void disposeView() {
        if (myView != null) {
            myView.getSite().getPage().hideView(myView);
        }
    }

    /**
     * Binds the UI
     */
    public void bindUI() {
        myContext = IBindingContext.Factory.createContext(myView.getScrolledForm());

        myViewerBinding = myContext.addViewer(myTableViewer, myShop, ShopPackage.Literals.SHOP__SHOP_ITEMS);
        myViewerBinding.addColumn(myNameColumn, IMOAOPackage.Literals.NAMED_OBJECT__NAME);

        myContext.finish();
        yield();
    }

    /**
     * Create a form with a viewer and test that the form get bigger as elements are added to the
     * viewer.
     */
    @Test
    public void testSize() {
        yield();
        final Rectangle initialBounds = myTable.getBounds();
        assertTrue(initialBounds.height > 0);
        assertTrue(initialBounds.width > 0);

        /*
         * - add two new items
         */
        ShopItem si;
        si = ShopFactory.eINSTANCE.createShopItem();
        si.setName("item 1");
        myShop.getShopItems().add(si);
        si = ShopFactory.eINSTANCE.createShopItem();
        si.setName("item 2");
        myShop.getShopItems().add(si);
        si = ShopFactory.eINSTANCE.createShopItem();
        si.setName("item 3");
        myShop.getShopItems().add(si);
        si = ShopFactory.eINSTANCE.createShopItem();
        si.setName("item 4");
        myShop.getShopItems().add(si);
        si = ShopFactory.eINSTANCE.createShopItem();
        si.setName("item 5");
        myShop.getShopItems().add(si);

        yield();
        Rectangle newBounds = myTable.getBounds();
        assertTrue(newBounds.height > initialBounds.height);
        assertTrue(newBounds.width == initialBounds.width);

        /*
         * - remove the items
         */
        myShop.getShopItems().clear();

        yield();
        newBounds = myTable.getBounds();
        assertTrue(newBounds.height == initialBounds.height);
        assertTrue(newBounds.width == initialBounds.width);
    }
}