| /******************************************************************************* |
| * Copyright (c) 2006, 2011 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ccvs.ui.mappings; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener; |
| import org.eclipse.core.runtime.preferences.IEclipsePreferences.PreferenceChangeEvent; |
| import org.eclipse.team.core.diff.DiffFilter; |
| import org.eclipse.team.core.diff.IDiff; |
| import org.eclipse.team.core.mapping.ISynchronizationScopeManager; |
| import org.eclipse.team.core.mapping.provider.SynchronizationContext; |
| import org.eclipse.team.core.subscribers.Subscriber; |
| import org.eclipse.team.internal.ccvs.core.CVSCompareSubscriber; |
| import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin; |
| import org.eclipse.team.internal.ccvs.ui.ICVSUIConstants; |
| import org.eclipse.team.internal.core.subscribers.ContentComparisonDiffFilter; |
| import org.eclipse.team.internal.core.subscribers.SubscriberDiffTreeEventHandler; |
| import org.eclipse.team.internal.ui.synchronize.RegexDiffFilter; |
| |
| public class CompareSubscriberContext extends CVSSubscriberMergeContext implements IPreferenceChangeListener { |
| |
| public static SynchronizationContext createContext(ISynchronizationScopeManager manager, CVSCompareSubscriber subscriber) { |
| CompareSubscriberContext mergeContext = new CompareSubscriberContext(subscriber, manager); |
| mergeContext.initialize(); |
| return mergeContext; |
| } |
| |
| protected CompareSubscriberContext(Subscriber subscriber, ISynchronizationScopeManager manager) { |
| super(subscriber, manager); |
| ((IEclipsePreferences) CVSUIPlugin.getPlugin().getInstancePreferences().node("")).addPreferenceChangeListener(this); //$NON-NLS-1$ |
| } |
| |
| @Override |
| public void dispose() { |
| super.dispose(); |
| ((IEclipsePreferences) CVSUIPlugin.getPlugin().getInstancePreferences().node("")).removePreferenceChangeListener(this); //$NON-NLS-1$ |
| } |
| |
| @Override |
| public void markAsMerged(IDiff node, boolean inSyncHint, |
| IProgressMonitor monitor) throws CoreException { |
| // Do nothing |
| } |
| |
| @Override |
| protected DiffFilter getDiffFilter() { |
| final DiffFilter contentFilter = createContentFilter(); |
| final DiffFilter regexFilter = createRegexFilter(); |
| if (contentFilter != null && regexFilter != null) { |
| return new DiffFilter() { |
| @Override |
| public boolean select(IDiff diff, IProgressMonitor monitor) { |
| return !contentFilter.select(diff, monitor) |
| && !regexFilter.select(diff, monitor); |
| } |
| }; |
| } else if (contentFilter != null) { |
| return new DiffFilter() { |
| @Override |
| public boolean select(IDiff diff, IProgressMonitor monitor) { |
| return !contentFilter.select(diff, monitor); |
| } |
| }; |
| } else if (regexFilter != null) { |
| return new DiffFilter() { |
| @Override |
| public boolean select(IDiff diff, IProgressMonitor monitor) { |
| return !regexFilter.select(diff, monitor); |
| } |
| }; |
| } |
| return null; |
| } |
| |
| private boolean isConsiderContents() { |
| return CVSUIPlugin.getPlugin().getPreferenceStore().getBoolean(ICVSUIConstants.PREF_CONSIDER_CONTENTS); |
| } |
| |
| private DiffFilter createContentFilter() { |
| if (isConsiderContents()) { |
| // Return a filter that selects any diffs whose contents are not equal |
| return new ContentComparisonDiffFilter(false); |
| } |
| return null; |
| } |
| |
| private DiffFilter createRegexFilter() { |
| if (isConsiderContents()) { |
| String pattern = CVSUIPlugin.getPlugin().getPreferenceStore().getString( |
| ICVSUIConstants.PREF_SYNCVIEW_REGEX_FILTER_PATTERN); |
| if (pattern != null && !pattern.isEmpty()) { |
| return new RegexDiffFilter(pattern); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void preferenceChange(PreferenceChangeEvent event) { |
| if (event.getKey().equals(ICVSUIConstants.PREF_CONSIDER_CONTENTS) || event.getKey().equals(ICVSUIConstants.PREF_SYNCVIEW_REGEX_FILTER_PATTERN)) { |
| SubscriberDiffTreeEventHandler handler = getHandler(); |
| if (handler != null) { |
| handler.setFilter(getDiffFilter()); |
| handler.reset(); |
| } |
| } |
| } |
| } |