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/*******************************************************************************
* Copyright (c) 2000, 2010 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.repo;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.ui.model.*;
import org.eclipse.ui.progress.PendingUpdateAdapter;
public class RepositoryComparator extends ViewerComparator {
/**
* Default sorting order, by label.
*/
public static final int ORDER_BY_LABEL = 0;
public static final int ORDER_BY_LOCATION = 1;
public static final int ORDER_BY_HOST = 2;
private int orderBy = ORDER_BY_LABEL;
private boolean ascending = true;
public RepositoryComparator(int order, boolean ascending) {
super();
this.orderBy = order;
this.ascending = ascending;
}
public RepositoryComparator() {
super();
}
public int getOrderBy() {
return orderBy;
}
public void setOrder(int orderBy) {
this.orderBy = orderBy;
}
public void setAscending(boolean ascending) {
this.ascending = ascending;
}
public boolean isAscending() {
return ascending;
}
public int category(Object element) {
if (element instanceof ICVSRemoteFolder) {
if (((ICVSRemoteFolder)element).isDefinedModule()) {
return 7;
}
return 1;
}
if (element instanceof RemoteModule) {
ICVSRemoteResource resource = ((RemoteModule)element).getCVSResource();
if (resource instanceof ICVSRemoteFolder) {
ICVSRemoteFolder folder = (ICVSRemoteFolder) resource;
if (folder.isDefinedModule()) {
return 7;
}
}
return 1;
}
if (element instanceof ICVSRemoteFile) {
return 2;
}
if (element instanceof CVSTagElement) {
CVSTagElement tagElement = (CVSTagElement)element;
if (tagElement.getTag().getType() == CVSTag.HEAD) {
return 0;
} else if (tagElement.getTag().getType() == CVSTag.BRANCH) {
return 4;
} else if (tagElement.getTag().getType() == CVSTag.VERSION) {
return 5;
} else if (tagElement.getTag().getType() == CVSTag.DATE){
return 6;
}else{
return 7;
}
}
if (element instanceof BranchCategory) {
return 4;
}
if (element instanceof VersionCategory) {
return 5;
}
if (element instanceof DateTagCategory){
return 6;
}
if (element instanceof PendingUpdateAdapter) {
return 10000;
}
return 0;
}
public int compare(Viewer viewer, Object o1, Object o2) {
int cat1 = category(o1);
int cat2 = category(o2);
if (cat1 != cat2) return cat1 - cat2;
if (o1 instanceof CVSTagElement && o2 instanceof CVSTagElement) {
CVSTag tag1 = ((CVSTagElement)o1).getTag();
CVSTag tag2 = ((CVSTagElement)o2).getTag();
if (tag1.getType() == CVSTag.BRANCH) {
return tag1.compareTo(tag2);
} else {
return -1 * tag1.compareTo(tag2);
}
}
// Sort versions in reverse alphabetical order
if (o1 instanceof ICVSRemoteFolder && o2 instanceof ICVSRemoteFolder) {
ICVSRemoteFolder f1 = (ICVSRemoteFolder)o1;
ICVSRemoteFolder f2 = (ICVSRemoteFolder)o2;
if (f1.getName().equals(f2.getName())) {
return compare(f1, f2);
}
}
if (o1 instanceof ICVSRepositoryLocation && o2 instanceof ICVSRepositoryLocation) {
return ((ICVSRepositoryLocation)o1).getLocation(false).compareTo(((ICVSRepositoryLocation)o2).getLocation(false));
}
if (o1 instanceof RepositoryRoot && o2 instanceof RepositoryRoot) {
RepositoryRoot rr1 = (RepositoryRoot) o1;
RepositoryRoot rr2 = (RepositoryRoot) o2;
// use repository location strings to compare RepositoryRoots
ICVSRepositoryLocation rl1 = rr1.getRoot();
ICVSRepositoryLocation rl2 = rr2.getRoot();
int compareResult = 0;
switch (orderBy) {
case ORDER_BY_HOST:
compareResult = rl1.getHost().compareTo(rl2.getHost());
if (compareResult != 0)
break;
case ORDER_BY_LOCATION:
compareResult = rl1.getLocation(false).compareTo(
rl2.getLocation(false));
if (compareResult != 0)
break;
// add other cases here
case ORDER_BY_LABEL:
// for default order use super.compare (i.e. compare labels)
default:
compareResult = super.compare(viewer, o1, o2);
}
return ascending ? compareResult : -compareResult;
}
return super.compare(viewer, o1, o2);
}
/*
* Compare to remote folders whose names are the same.
*/
private int compare(ICVSRemoteFolder f1, ICVSRemoteFolder f2) {
CVSTag tag1 = f1.getTag();
CVSTag tag2 = f2.getTag();
if (tag1 == null) return 1;
if (tag2 == null) return -1;
return tag2.compareTo(tag1);
}
}
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