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/*******************************************************************************
* Copyright (c) 2000, 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.subscriber;
import java.util.Arrays;
import org.eclipse.core.resources.IResource;
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.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.subscribers.Subscriber;
import org.eclipse.team.core.synchronize.*;
import org.eclipse.team.internal.ccvs.core.CVSCompareSubscriber;
import org.eclipse.team.internal.ccvs.core.CVSTag;
import org.eclipse.team.internal.ccvs.ui.*;
import org.eclipse.team.internal.ccvs.ui.actions.ShowAnnotationAction;
import org.eclipse.team.internal.ccvs.ui.actions.ShowResourceInHistoryAction;
import org.eclipse.team.internal.core.subscribers.ActiveChangeSetManager;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.ui.TeamUI;
import org.eclipse.team.ui.synchronize.*;
public class CompareParticipant extends CVSParticipant implements IPreferenceChangeListener {
public static final String CONTEXT_MENU_CONTRIBUTION_GROUP = "context_group_1"; //$NON-NLS-1$
public static final String NON_MODAL_CONTEXT_MENU_CONTRIBUTION_GROUP = "context_group_2"; //$NON-NLS-1$
/**
* Actions for the compare particpant's toolbar
*/
public class CompareParticipantActionContribution extends SynchronizePageActionGroup {
@Override
public void initialize(ISynchronizePageConfiguration configuration) {
super.initialize(configuration);
appendToGroup(
ISynchronizePageConfiguration.P_CONTEXT_MENU,
CONTEXT_MENU_CONTRIBUTION_GROUP,
new CompareRevertAction(configuration));
if (!configuration.getSite().isModal()) {
ShowAnnotationAction showAnnotationAction = new ShowAnnotationAction();
appendToGroup(
ISynchronizePageConfiguration.P_CONTEXT_MENU,
NON_MODAL_CONTEXT_MENU_CONTRIBUTION_GROUP,
new CVSActionDelegateWrapper(showAnnotationAction, configuration));
appendToGroup(
ISynchronizePageConfiguration.P_CONTEXT_MENU,
NON_MODAL_CONTEXT_MENU_CONTRIBUTION_GROUP,
new CVSActionDelegateWrapper(new ShowResourceInHistoryAction(), configuration));
}
}
}
private SyncInfoFilter contentComparison = new SyncInfoFilter() {
private SyncInfoFilter contentCompare = new SyncInfoFilter.ContentComparisonSyncInfoFilter();
@Override
public boolean select(SyncInfo info, IProgressMonitor monitor) {
// Want to select infos whose contents do not match
return !contentCompare.select(info, monitor);
}
};
private SyncInfoFilter createSyncInfoFilter() {
final SyncInfoFilter regexFilter = createRegexFilter();
if (isConsiderContents() && regexFilter != null) {
return new SyncInfoFilter() {
@Override
public boolean select(SyncInfo info, IProgressMonitor monitor) {
return contentComparison.select(info, monitor)
&& !regexFilter.select(info, monitor);
}
};
} else if (isConsiderContents()) {
return new SyncInfoFilter() {
@Override
public boolean select(SyncInfo info, IProgressMonitor monitor) {
return contentComparison.select(info, monitor);
}
};
} else if (regexFilter != null) {
return new SyncInfoFilter() {
@Override
public boolean select(SyncInfo info, IProgressMonitor monitor) {
// want to select infos which contain at least one unmatched difference
return !regexFilter.select(info, monitor);
}
};
}
return null;
}
private boolean isConsiderContents() {
return CVSUIPlugin.getPlugin().getPreferenceStore().getBoolean(ICVSUIConstants.PREF_CONSIDER_CONTENTS);
}
private SyncInfoFilter createRegexFilter() {
if (isConsiderContents()) {
String pattern = CVSUIPlugin.getPlugin().getPreferenceStore().getString(ICVSUIConstants.PREF_SYNCVIEW_REGEX_FILTER_PATTERN);
if (pattern != null && !pattern.equals("")) { //$NON-NLS-1$
return new RegexSyncInfoFilter(pattern);
}
}
return null;
}
public CompareParticipant(CVSCompareSubscriber subscriber) {
setSubscriber(subscriber);
}
@Override
protected void setSubscriber(Subscriber subscriber) {
super.setSubscriber(subscriber);
setSyncInfoFilter(createSyncInfoFilter());
try {
ISynchronizeParticipantDescriptor descriptor = TeamUI.getSynchronizeManager().getParticipantDescriptor(CVSCompareSubscriber.ID);
setInitializationData(descriptor);
CVSCompareSubscriber s = getCVSCompareSubscriber();
setSecondaryId(s.getId().getLocalName());
} catch (CoreException e) {
CVSUIPlugin.log(e);
}
((IEclipsePreferences) CVSUIPlugin.getPlugin().getInstancePreferences().node("")).addPreferenceChangeListener(this); //$NON-NLS-1$
}
@Override
public String getName() {
return NLS.bind(CVSUIMessages.CompareParticipant_0, new String[] { getSubscriber().getName(), Utils.convertSelection(getSubscriber().roots()) });
}
/*
* Returns a merge participant that exist and is configured with the given set of resources, start, and end tags.
*/
public static CompareParticipant getMatchingParticipant(IResource[] resources, CVSTag tag) {
ISynchronizeParticipantReference[] refs = TeamUI.getSynchronizeManager().getSynchronizeParticipants();
for (int i = 0; i < refs.length; i++) {
ISynchronizeParticipantReference reference = refs[i];
if (reference.getId().equals(CVSCompareSubscriber.ID)) {
try {
CompareParticipant p = (CompareParticipant) reference.getParticipant();
if (p.matches(resources, tag)) {
return p;
}
} catch (TeamException e) {
continue;
}
}
}
return null;
}
/**
* Return whether this compare subscriber matches persisly the
* provided list of resources and the single tag.
* @param resources the resources
* @param tag the tag
* @return whether this compare subscriber matches persisly the
* provided list of resources and the single tag
*/
protected boolean matches(IResource[] resources, CVSTag tag) {
CVSTag existingTag = getCVSCompareSubscriber().getTag();
// The tag can be null if the compare participant has a different tag for each root
if (existingTag != null) {
IResource[] roots = getResources();
Arrays.sort(resources, Utils.resourceComparator);
Arrays.sort(roots, Utils.resourceComparator);
if (Arrays.equals(resources, roots) && existingTag.equals(tag)) {
return true;
}
}
return false;
}
/**
* Return the subscriber as an instance of CVSCompareSubscriber.
* @return the subscriber as an instance of CVSCompareSubscriber
*/
public CVSCompareSubscriber getCVSCompareSubscriber() {
return (CVSCompareSubscriber)getSubscriber();
}
@Override
protected void initializeConfiguration(ISynchronizePageConfiguration configuration) {
super.initializeConfiguration(configuration);
configuration.addMenuGroup(
ISynchronizePageConfiguration.P_CONTEXT_MENU,
CONTEXT_MENU_CONTRIBUTION_GROUP);
configuration.addMenuGroup(
ISynchronizePageConfiguration.P_CONTEXT_MENU,
NON_MODAL_CONTEXT_MENU_CONTRIBUTION_GROUP);
configuration.addActionContribution(new CompareParticipantActionContribution());
}
@Override
public void dispose() {
super.dispose();
((IEclipsePreferences) CVSUIPlugin.getPlugin().getInstancePreferences().node("")).removePreferenceChangeListener(this); //$NON-NLS-1$
getCVSCompareSubscriber().dispose();
}
@Override
public void preferenceChange(PreferenceChangeEvent event) {
if (event.getKey().equals(ICVSUIConstants.PREF_CONSIDER_CONTENTS) || event.getKey().equals(ICVSUIConstants.PREF_SYNCVIEW_REGEX_FILTER_PATTERN)) {
SyncInfoFilter filter = createSyncInfoFilter();
if (filter != null) {
setSyncInfoFilter(filter);
} else {
setSyncInfoFilter(new FastSyncInfoFilter());
}
}
}
@Override
protected String getLongTaskName() {
return getName();
}
@Override
protected String getShortTaskName() {
return CVSUIMessages.Participant_comparing;
}
@Override
protected CVSChangeSetCapability createChangeSetCapability() {
return new CVSChangeSetCapability() {
@Override
public ActiveChangeSetManager getActiveChangeSetManager() {
return CVSUIPlugin.getPlugin().getChangeSetManager();
}
@Override
public boolean enableActiveChangeSetsFor(ISynchronizePageConfiguration configuration) {
return super.enableActiveChangeSetsFor(configuration) ||
configuration.getComparisonType() == ISynchronizePageConfiguration.TWO_WAY;
}
};
}
}
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