tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/swt/WidgetPropertiesTest.java

/*******************************************************************************
 * Copyright (c) 2009, 2011 Matthew Hall 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:
 *     Matthew Hall - initial API and implementation (bug 262946)
 *     Matthew Hall - bugs 213893, 306203
 ******************************************************************************/

package org.eclipse.jface.tests.databinding.swt;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;

import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.jface.databinding.conformance.util.RealmTester;
import org.eclipse.jface.databinding.swt.DisplayRealm;
import org.eclipse.jface.databinding.swt.WidgetProperties;
import org.eclipse.jface.tests.databinding.AbstractSWTTestCase;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.swt.widgets.Tray;
import org.eclipse.swt.widgets.TrayItem;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/**
 * @since 3.2
 *
 */
public class WidgetPropertiesTest extends AbstractSWTTestCase {
	private Shell shell;

	private String string1;
	private String string2;

	private Image image1;
	private Image image2;

	@Before
	public void setUp() throws Exception {
		super.setUp();

		shell = getShell();

		string1 = "1";
		string2 = "2";

		image1 = shell.getDisplay().getSystemImage(SWT.ICON_WARNING);
		image2 = shell.getDisplay().getSystemImage(SWT.ICON_ERROR);

		RealmTester.setDefault(DisplayRealm.getRealm(shell.getDisplay()));
	}

	@After
	public void tearDown() throws Exception {
		super.tearDown();

		RealmTester.setDefault(null);
	}

	@Override
	protected Shell createShell() {
		return new Shell(SWT.V_SCROLL);
	}

	@Test
	public void testImage_ObserveButton() {
		Button button = /* who's got the */new Button(shell, SWT.PUSH);
		button.setImage(image1);

		IObservableValue observable = WidgetProperties.image().observe(button);
		assertSame(image1, observable.getValue());

		observable.setValue(image2);
		assertSame(image2, button.getImage());
	}

	@Test
	public void testImage_ObserveCLabel() {
		CLabel label = new CLabel(shell, SWT.NONE);
		label.setImage(image1);

		IObservableValue observable = WidgetProperties.image().observe(label);
		assertSame(image1, observable.getValue());

		observable.setValue(image2);
		assertSame(image2, label.getImage());
	}

	@Test
	public void testImage_ObserveLabel() {
		Label label = new Label(shell, SWT.NONE);
		label.setImage(image1);

		IObservableValue observable = WidgetProperties.image().observe(label);
		assertSame(image1, observable.getValue());

		observable.setValue(image2);
		assertSame(image2, label.getImage());
	}

	@Test
	public void testText_ObserveButton() {
		Button button = /* who's got a */new Button(shell, SWT.PUSH);
		button.setText(string1);

		IObservableValue observable = WidgetProperties.text().observe(button);
		assertEquals(string1, observable.getValue());

		observable.setValue(string2);
		assertEquals(string2, button.getText());
	}

	@Test
	public void testTooltipText_ObserveCTabItem() {
		CTabFolder tf = new CTabFolder(shell, SWT.NONE);
		CTabItem item = new CTabItem(tf, SWT.NONE);
		item.setToolTipText(string1);

		IObservableValue observable = WidgetProperties.tooltipText().observe(
				item);
		assertEquals(string1, observable.getValue());

		observable.setValue(string2);
		assertEquals(string2, item.getToolTipText());
	}

	@Test
	public void testTooltipText_ObserveControl() {
		Control control = new Label(shell, SWT.NONE);
		control.setToolTipText(string1);

		IObservableValue observable = WidgetProperties.tooltipText().observe(
				control);
		assertEquals(string1, observable.getValue());

		observable.setValue(string2);
		assertEquals(string2, control.getToolTipText());
	}

	@Test
	public void testTooltipText_ObserveTabItem() {
		TabFolder tf = new TabFolder(shell, SWT.NONE);
		TabItem item = new TabItem(tf, SWT.NONE);
		item.setToolTipText(string1);

		IObservableValue observable = WidgetProperties.tooltipText().observe(
				item);
		assertEquals(string1, observable.getValue());

		observable.setValue(string2);
		assertEquals(string2, item.getToolTipText());
	}

	@Test
	public void testTooltipText_ObserveTableColumn() {
		Table table = new Table(shell, SWT.NONE);
		TableColumn column = new TableColumn(table, SWT.NONE);
		column.setToolTipText(string1);

		IObservableValue observable = WidgetProperties.tooltipText().observe(
				column);
		assertEquals(string1, observable.getValue());

		observable.setValue(string2);
		assertEquals(string2, column.getToolTipText());
	}

	@Test
	public void testTooltipText_ObserveToolItem() {
		ToolBar bar = new ToolBar(shell, SWT.NONE);
		ToolItem item = new ToolItem(bar, SWT.NONE);
		item.setToolTipText(string1);

		IObservableValue observable = WidgetProperties.tooltipText().observe(
				item);
		assertEquals(string1, observable.getValue());

		observable.setValue(string2);
		assertEquals(string2, item.getToolTipText());
	}

	@Test
	public void testTooltipText_ObserveTrayItem() {
		Tray tray = shell.getDisplay().getSystemTray();
		TrayItem item = new TrayItem(tray, SWT.NONE);

		try {
			item.setToolTipText(string1);

			IObservableValue observable = WidgetProperties.tooltipText()
					.observe(item);
			assertEquals(string1, observable.getValue());

			observable.setValue(string2);
			assertEquals(string2, item.getToolTipText());
		} finally {
			item.dispose(); // cleanup
		}
	}

	@Test
	public void testTooltipText_ObserveTreeColumn() {
		Tree tree = new Tree(shell, SWT.NONE);
		TreeColumn column = new TreeColumn(tree, SWT.NONE);
		column.setToolTipText(string1);

		IObservableValue observable = WidgetProperties.tooltipText().observe(
				column);
		assertEquals(string1, observable.getValue());

		observable.setValue(string2);
		assertEquals(string2, column.getToolTipText());
	}

	@Test
	public void testEnabled_ObserveMenu() {
		Menu menu = new Menu(shell, SWT.BAR);
		IObservableValue observable = WidgetProperties.enabled().observe(menu);

		assertEquals(boolean.class, observable.getValueType());

		menu.setEnabled(true);
		assertEquals(Boolean.TRUE, observable.getValue());

		observable.setValue(Boolean.FALSE);
		assertEquals(false, menu.getEnabled());
	}

	@Test
	public void testEnabled_ObserveMenuItem() {
		Menu menu = new Menu(shell, SWT.BAR);
		MenuItem item = new MenuItem(menu, SWT.PUSH);
		IObservableValue observable = WidgetProperties.enabled().observe(item);

		assertEquals(boolean.class, observable.getValueType());

		item.setEnabled(true);
		assertEquals(Boolean.TRUE, observable.getValue());

		observable.setValue(Boolean.FALSE);
		assertEquals(false, item.getEnabled());
	}

	@Test
	public void testSelection_ObserveMenuItem() {
		Menu menu = new Menu(shell, SWT.BAR);
		MenuItem item = new MenuItem(menu, SWT.CHECK);
		IObservableValue observable = WidgetProperties.selection()
				.observe(item);

		assertEquals(boolean.class, observable.getValueType());

		item.setSelection(true);
		assertEquals(Boolean.TRUE, observable.getValue());

		observable.setValue(Boolean.FALSE);
		assertEquals(false, item.getSelection());
	}

	@Test
	public void testEnabled_ObserveScrollBar() {
		ScrollBar bar = shell.getVerticalBar();
		IObservableValue observable = WidgetProperties.enabled().observe(bar);

		assertEquals(boolean.class, observable.getValueType());

		bar.setEnabled(true);
		assertEquals(Boolean.TRUE, observable.getValue());

		observable.setValue(Boolean.FALSE);
		assertEquals(false, bar.getEnabled());
	}

	@Test
	public void testEnabled_ObserveToolItem() {
		ToolBar bar = new ToolBar(shell, SWT.HORIZONTAL);
		ToolItem item = new ToolItem(bar, SWT.PUSH);
		IObservableValue observable = WidgetProperties.enabled().observe(item);

		assertEquals(boolean.class, observable.getValueType());

		item.setEnabled(true);
		assertEquals(Boolean.TRUE, observable.getValue());

		observable.setValue(Boolean.FALSE);
		assertEquals(false, item.getEnabled());
	}

	@Test
	public void testEditable_ObserveText() {
		Text text = new Text(shell, SWT.NONE);
		IObservableValue observable = WidgetProperties.editable().observe(text);

		assertEquals(boolean.class, observable.getValueType());

		text.setEditable(false);
		assertEquals(Boolean.FALSE, observable.getValue());

		observable.setValue(Boolean.TRUE);
		assertEquals(true, text.getEditable());
	}

	@Test
	public void testEditable_ObserveCCombo() {
		CCombo combo = new CCombo(shell, SWT.NONE);
		IObservableValue observable = WidgetProperties.editable()
				.observe(combo);

		assertEquals(boolean.class, observable.getValueType());

		combo.setEditable(false);
		assertEquals(Boolean.FALSE, observable.getValue());

		observable.setValue(Boolean.TRUE);
		assertEquals(true, combo.getEditable());
	}

	@Test
	public void testEditable_ObserveStyledText() {
		StyledText styledText = new StyledText(shell, SWT.NONE);
		IObservableValue observable = WidgetProperties.editable().observe(
				styledText);

		assertEquals(boolean.class, observable.getValueType());

		styledText.setEditable(false);
		assertEquals(Boolean.FALSE, observable.getValue());

		observable.setValue(Boolean.TRUE);
		assertEquals(true, styledText.getEditable());
	}
}