diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/jface/NullTreeContentProvider.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/jface/NullTreeContentProvider.java | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/jface/NullTreeContentProvider.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/jface/NullTreeContentProvider.java deleted file mode 100644 index fdb7e0ad36..0000000000 --- a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/jface/NullTreeContentProvider.java +++ /dev/null @@ -1,60 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006, 2008 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.ui.internal.jface; - -import org.eclipse.jface.viewers.ITreeContentProvider; -import org.eclipse.jface.viewers.Viewer; - -/** - * Null implementation of the ILabelProvider interface. - * Implemented as a singleton. - */ -public final class NullTreeContentProvider - implements ITreeContentProvider -{ - private static final Object[] EMPTY_ARRAY = new Object[0]; - public static final NullTreeContentProvider INSTANCE = new NullTreeContentProvider(); - - public static ITreeContentProvider instance() { - return INSTANCE; - } - - /** - * Ensure a single instance. - */ - private NullTreeContentProvider() { - super(); - } - - public Object[] getChildren(Object parentElement) { - return EMPTY_ARRAY; - } - - public Object getParent(Object element) { - return null; - } - - public boolean hasChildren(Object element) { - return false; - } - - public Object[] getElements(Object inputElement) { - return EMPTY_ARRAY; - } - - public void dispose() { - // do nothing - } - - public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { - // do nothing - } - -} |