| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.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); |
| } |
| |
| } |
| |