| /******************************************************************************* |
| * Copyright (c) 2006 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.team.core.diff; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.team.core.diff.provider.Diff; |
| |
| /** |
| * A specialized <code>DiffNodeFilter</code> that does not require a progress monitor. |
| * This enables these filters to be used when determining menu enablement or other |
| * operations that must be short running. |
| * |
| * @see IDiff |
| * @see IDiffTree |
| * @see DiffFilter |
| * @since 3.2 |
| */ |
| public abstract class FastDiffFilter extends DiffFilter { |
| |
| public static final FastDiffFilter getStateFilter(final int[] states, final int mask) { |
| return new FastDiffFilter() { |
| public boolean select(IDiff node) { |
| int status = ((Diff)node).getStatus(); |
| for (int i = 0; i < states.length; i++) { |
| int state = states[i]; |
| if ((status & mask) == state) { |
| return true; |
| } |
| } |
| return false; |
| } |
| }; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.core.diff.DiffNodeFilter#select(org.eclipse.team.core.diff.IDiffNode, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public final boolean select(IDiff diff, IProgressMonitor monitor) { |
| return select(diff); |
| } |
| |
| /** |
| * Return <code>true</code> if the provided <code>IDiffNode</code> matches the filter. |
| * |
| * @param diff the <code>IDiffNode</code> to be tested |
| * @return <code>true</code> if the <code>IDiffNode</code> matches the filter |
| */ |
| public abstract boolean select(IDiff diff); |
| } |