/*******************************************************************************
* Copyright (c) 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.jface.tests.labelProviders;
import junit.framework.TestCase;
import org.eclipse.core.runtime.AssertionFailedException;
import org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider;
import org.eclipse.jface.viewers.DecorationContext;
import org.eclipse.jface.viewers.IDecorationContext;
import org.eclipse.jface.viewers.ILabelDecorator;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
import org.eclipse.swt.graphics.Image;
/**
* Most of the setup has been taken from
* org.eclipse.jface.snippets.viewers.Snippet010OwnerDraw.java
*
* @since 3.4
*
*/
public class IDecorationContextTest extends TestCase {
private IDecorationContext getDecorationContext() {
return new IDecorationContext() {
@Override
public String[] getProperties() {
return null;
}
@Override
public Object getProperty(String property) {
return null;
}
};
}
private IStyledLabelProvider getStyledLabelProvider() {
return new IStyledLabelProvider() {
@Override
public Image getImage(Object element) {
return null;
}
@Override
public StyledString getStyledText(Object element) {
return null;
}
@Override
public void addListener(ILabelProviderListener listener) {
}
@Override
public void dispose() {
}
@Override
public boolean isLabelProperty(Object element, String property) {
return false;
}
@Override
public void removeListener(ILabelProviderListener listener) {
}
};
}
private ILabelDecorator getLabelDecorator() {
return new ILabelDecorator() {
@Override
public Image decorateImage(Image image, Object element) {
return null;
}
@Override
public String decorateText(String text, Object element) {
return null;
}
@Override
public void addListener(ILabelProviderListener listener) {
}
@Override
public void dispose() {
}
@Override
public boolean isLabelProperty(Object element, String property) {
return false;
}
@Override
public void removeListener(ILabelProviderListener listener) {
}
};
}
private DecoratingStyledCellLabelProvider getDecoratingStyledCellLabelProvider(
boolean nullDecorationContext) {
return nullDecorationContext ? new DecoratingStyledCellLabelProvider(
getStyledLabelProvider(), getLabelDecorator(), null)
: new DecoratingStyledCellLabelProvider(
getStyledLabelProvider(), getLabelDecorator(),
getDecorationContext());
}
public IDecorationContextTest(String name) {
super(name);
}
public void testDefaultContextIsUsed() {
// Create a DecoratingStyledCellLabelProvider with a null
// decorationContext
assertEquals(getDecoratingStyledCellLabelProvider(true)
.getDecorationContext(), DecorationContext.DEFAULT_CONTEXT);
}
public void testSetDecorationContextNull() {
DecoratingStyledCellLabelProvider label = getDecoratingStyledCellLabelProvider(false);
try {
label.setDecorationContext(null);
fail("DecoratingStyledCellLabelProvider.setDecorationContext did not throw an exception when passed null");
} catch (AssertionFailedException e) {
// A Good Thing.
}
}
}