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package org.eclipse.team.internal.ccvs.ui.merge;
/*
* (c) Copyright IBM Corp. 2000, 2002.
* All Rights Reserved.
*/
import java.util.ArrayList;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.team.internal.ccvs.core.CVSTag;
import org.eclipse.team.internal.ccvs.core.ICVSFolder;
import org.eclipse.ui.model.IWorkbenchAdapter;
public class ProjectElement implements IAdaptable, IWorkbenchAdapter {
ICVSFolder project;
TagRootElement branches;
TagRootElement versions;
int includeFlags;
public static final int INCLUDE_HEAD_TAG = 1;
public static final int INCLUDE_BASE_TAG = 2;
public static final int INCLUDE_BRANCHES = 4;
public static final int INCLUDE_VERSIONS = 8;
public static final int INCLUDE_ALL_TAGS = INCLUDE_HEAD_TAG | INCLUDE_BASE_TAG | INCLUDE_BRANCHES | INCLUDE_VERSIONS;
public static class ProjectElementSorter extends ViewerSorter {
/*
* The order in the diaog should be HEAD, Branches, Versions, BASE
*/
public int category(Object element) {
if (element instanceof TagElement) {
CVSTag tag = ((TagElement)element).getTag();
if (tag == CVSTag.DEFAULT) return 1;
if (tag == CVSTag.BASE) return 4;
if (tag.getType() == CVSTag.BRANCH) return 2;
if (tag.getType() == CVSTag.VERSION) return 3;
} else if (element instanceof TagRootElement) {
return ((TagRootElement)element).getTypeOfTagRoot() == CVSTag.BRANCH ? 2 : 3;
}
return 0;
}
public int compare(Viewer viewer, Object e1, Object e2) {
int cat1 = category(e1);
int cat2 = category(e2);
if (cat1 != cat2) return cat1 - cat2;
// Sort version tags in reverse order
if (e1 instanceof TagElement && ((TagElement)e1).getTag().getType() == CVSTag.VERSION) {
return -1 * super.compare(viewer, e1, e2);
}
return super.compare(viewer, e1, e2);
}
}
public ProjectElement(ICVSFolder project, int includeFlags) {
this.project = project;
this.includeFlags = includeFlags;
if (this.includeFlags == 0) this.includeFlags = INCLUDE_ALL_TAGS;
if ((includeFlags & INCLUDE_BRANCHES) > 0) {
branches = new TagRootElement(project, CVSTag.BRANCH);
}
if ((includeFlags & INCLUDE_VERSIONS) > 0) {
versions = new TagRootElement(project, CVSTag.VERSION);
}
}
public Object[] getChildren(Object o) {
ArrayList children = new ArrayList(4);
if ((includeFlags & INCLUDE_HEAD_TAG) > 0) {
children.add(new TagElement(CVSTag.DEFAULT));
}
if ((includeFlags & INCLUDE_BASE_TAG) > 0) {
children.add(new TagElement(CVSTag.BASE));
}
if ((includeFlags & INCLUDE_BRANCHES) > 0) {
children.add(branches);
}
if ((includeFlags & INCLUDE_VERSIONS) > 0) {
children.add(versions);
}
return (Object[]) children.toArray(new Object[children.size()]);
}
public int getIncludeFlags() {
return includeFlags;
}
public TagRootElement getBranches() {
return branches;
}
public TagRootElement getVersions() {
return versions;
}
public Object getAdapter(Class adapter) {
if (adapter == IWorkbenchAdapter.class) return this;
return null;
}
public ImageDescriptor getImageDescriptor(Object object) {
return null;
}
public String getLabel(Object o) {
return null;
}
public Object getParent(Object o) {
return null;
}
}
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