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/*******************************************************************************
* Copyright (c) 2006 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 java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.*;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.mapping.ISynchronizationScope;
import org.eclipse.team.core.mapping.ISynchronizationScopeManager;
import org.eclipse.team.core.mapping.provider.MergeContext;
import org.eclipse.team.core.subscribers.SubscriberScopeManager;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
import org.eclipse.team.internal.ccvs.ui.CVSUIPlugin;
import org.eclipse.team.internal.ccvs.ui.actions.ShowAnnotationAction;
import org.eclipse.team.internal.ccvs.ui.actions.ShowResourceInHistoryAction;
import org.eclipse.team.internal.ccvs.ui.subscriber.CVSActionDelegateWrapper;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.ui.TeamUI;
import org.eclipse.team.ui.synchronize.*;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.PartInitException;
public class ModelMergeParticipant extends CVSModelSynchronizeParticipant {
public static final String VIEWER_ID = "org.eclipse.team.cvs.ui.mergeSynchronization"; //$NON-NLS-1$
public static final String CONTEXT_MENU_CONTRIBUTION_GROUP_1 = "otherActions1"; //$NON-NLS-1$
public static final String ID = "org.eclipse.team.cvs.ui.modelMergeParticipant"; //$NON-NLS-1$
private final static String CTX_SUBSCRIBER = "mergeSubscriber"; //$NON-NLS-1$
private final static String CTX_ROOT = "root"; //$NON-NLS-1$
private final static String CTX_ROOT_PATH = "root_resource"; //$NON-NLS-1$
private final static String CTX_START_TAG = "start_tag"; //$NON-NLS-1$
private final static String CTX_START_TAG_TYPE = "start_tag_type"; //$NON-NLS-1$
private final static String CTX_END_TAG = "end_tag"; //$NON-NLS-1$
private final static String CTX_END_TAG_TYPE = "end_tag_type"; //$NON-NLS-1$
public class MergeActionGroup extends ModelSynchronizeParticipantActionGroup {
@Override
public void initialize(ISynchronizePageConfiguration configuration) {
super.initialize(configuration);
if (!configuration.getSite().isModal()) {
appendToGroup(
ISynchronizePageConfiguration.P_CONTEXT_MENU,
CONTEXT_MENU_CONTRIBUTION_GROUP_1,
new CVSActionDelegateWrapper(new ShowAnnotationAction(), configuration));
appendToGroup(
ISynchronizePageConfiguration.P_CONTEXT_MENU,
CONTEXT_MENU_CONTRIBUTION_GROUP_1,
new CVSActionDelegateWrapper(new ShowResourceInHistoryAction(), configuration));
}
}
}
private CVSMergeSubscriber subscriber;
public ModelMergeParticipant() {
}
public ModelMergeParticipant(MergeSubscriberContext context) {
super(context);
subscriber = getSubscriber();
initialize();
}
@Override
protected ModelSynchronizeParticipantActionGroup createMergeActionGroup() {
return new MergeActionGroup();
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.operations.ModelSynchronizeParticipant#initializeConfiguration(org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration)
*/
@Override
protected void initializeConfiguration(ISynchronizePageConfiguration configuration) {
configuration.setProperty(ISynchronizePageConfiguration.P_VIEWER_ID, VIEWER_ID);
super.initializeConfiguration(configuration);
configuration.setSupportedModes(ISynchronizePageConfiguration.INCOMING_MODE | ISynchronizePageConfiguration.CONFLICTING_MODE);
configuration.setMode(ISynchronizePageConfiguration.INCOMING_MODE);
}
private void initialize() {
try {
ISynchronizeParticipantDescriptor descriptor = TeamUI.getSynchronizeManager().getParticipantDescriptor(ID);
setInitializationData(descriptor);
CVSMergeSubscriber s = getSubscriber();
setSecondaryId(s.getId().getLocalName());
} catch (CoreException e) {
CVSUIPlugin.log(e);
}
}
private CVSMergeSubscriber getSubscriber() {
return (CVSMergeSubscriber)((MergeSubscriberContext)getContext()).getSubscriber();
}
@Override
public void init(String secondaryId, IMemento memento) throws PartInitException {
if(memento != null) {
ISynchronizeParticipantDescriptor descriptor = TeamUI.getSynchronizeManager().getParticipantDescriptor(ID);
String qualifier = descriptor.getId();
String localname = secondaryId;
if(qualifier == null || localname == null) {
throw new PartInitException(CVSUIMessages.MergeSynchronizeParticipant_8);
}
try {
subscriber = read(new QualifiedName(qualifier, localname), memento.getChild(CTX_SUBSCRIBER));
} catch (CVSException e) {
throw new PartInitException(CVSUIMessages.MergeSynchronizeParticipant_9, e);
}
}
try {
super.init(secondaryId, memento);
} catch (PartInitException e) {
subscriber.cancel();
throw e;
}
}
@Override
public void saveState(IMemento memento) {
super.saveState(memento);
write(subscriber, memento.createChild(CTX_SUBSCRIBER));
}
private CVSMergeSubscriber read(QualifiedName id, IMemento memento) throws CVSException {
CVSTag start = new CVSTag(memento.getString(CTX_START_TAG), memento.getInteger(CTX_START_TAG_TYPE).intValue());
CVSTag end = new CVSTag(memento.getString(CTX_END_TAG), memento.getInteger(CTX_END_TAG_TYPE).intValue());
IMemento[] rootNodes = memento.getChildren(CTX_ROOT);
if(rootNodes == null || rootNodes.length == 0) {
throw new CVSException(NLS.bind(CVSUIMessages.MergeSynchronizeParticipant_10, new String[] { id.toString() }));
}
List resources = new ArrayList();
for (int i = 0; i < rootNodes.length; i++) {
IMemento rootNode = rootNodes[i];
IPath path = new Path(rootNode.getString(CTX_ROOT_PATH));
IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(path, true /* include phantoms */);
if(resource != null) {
resources.add(resource);
} else {
// log that a resource previously in the merge set is no longer in the workspace
CVSProviderPlugin.log(IStatus.INFO, NLS.bind(CVSUIMessages.MergeSynchronizeParticipant_11, new String[] { path.toString() }), null);
}
}
if(resources.isEmpty()) {
throw new CVSException(NLS.bind(CVSUIMessages.MergeSynchronizeParticipant_12, new String[] { id.toString() }));
}
IResource[] roots = (IResource[]) resources.toArray(new IResource[resources.size()]);
return new CVSMergeSubscriber(id, roots, start, end);
}
private void write(CVSMergeSubscriber s, IMemento memento) {
// start and end tags
CVSTag start = s.getStartTag();
CVSTag end = s.getEndTag();
memento.putString(CTX_START_TAG, start.getName());
memento.putInteger(CTX_START_TAG_TYPE, start.getType());
memento.putString(CTX_END_TAG, end.getName());
memento.putInteger(CTX_END_TAG_TYPE, end.getType());
// resource roots
IResource[] roots = s.roots();
for (int i = 0; i < roots.length; i++) {
IResource resource = roots[i];
IMemento rootNode = memento.createChild(CTX_ROOT);
rootNode.putString(CTX_ROOT_PATH, resource.getFullPath().toString());
}
}
@Override
protected String getShortTaskName() {
return CVSUIMessages.Participant_merging;
}
@Override
public void dispose() {
if(TeamUI.getSynchronizeManager().get(getId(), getSecondaryId()) != null) {
// If the participant is managed by the synchronize manager then we
// we don't want to flush the synchronizer cache.
((MergeSubscriberContext)getContext()).setCancelSubscriber(false);
}
super.dispose();
}
@Override
protected ISynchronizationScopeManager createScopeManager(ResourceMapping[] mappings) {
return new SubscriberScopeManager(subscriber.getName(),
mappings, subscriber, true);
}
@Override
protected MergeContext restoreContext(ISynchronizationScopeManager manager) throws CoreException {
return MergeSubscriberContext.createContext(manager, subscriber);
}
/* (non-Javadoc)
* @see org.eclipse.team.ui.synchronize.ISynchronizeParticipant#getName()
*/
@Override
public String getName() {
return NLS.bind(CVSUIMessages.CompareParticipant_0, new String[] { getSubscriber().getName(), Utils.getScopeDescription(getContext().getScope()) });
}
/*
* Returns a merge participant that exist and is configured with the given set of resources, start, and end tags.
*/
public static ModelMergeParticipant getMatchingParticipant(ResourceMapping[] mappings, CVSTag startTag, CVSTag endTag) {
ISynchronizeParticipantReference[] refs = TeamUI.getSynchronizeManager().getSynchronizeParticipants();
for (int i = 0; i < refs.length; i++) {
ISynchronizeParticipantReference reference = refs[i];
if (reference.getId().equals(ID)) {
ModelMergeParticipant p;
try {
p = (ModelMergeParticipant) reference.getParticipant();
} catch (TeamException e) {
continue;
}
ISynchronizationScope scope = p.getContext().getScope().asInputScope();
ResourceMapping[] roots = scope.getMappings();
if (roots.length == mappings.length) {
boolean match = true;
for (int j = 0; j < mappings.length; j++) {
ResourceMapping mapping = mappings[j];
if (scope.getTraversals(mapping) == null) {
// The mapping is not in the scope so the participants don't match
match = false;
break;
}
}
if (match && p.getSubscriber().getStartTag().equals(startTag) && p.getSubscriber().getEndTag().equals(endTag)) {
return p;
}
}
}
}
return null;
}
}
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