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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.model;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.ui.*;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.ui.model.IWorkbenchAdapter;
import org.eclipse.ui.progress.IDeferredWorkbenchAdapter;
import org.eclipse.ui.progress.IElementCollector;
public class VersionCategory
extends CVSModelElement
implements IAdaptable, IDeferredWorkbenchAdapter {
private ICVSRepositoryLocation repository;
/**
* ProjectVersionsCategory constructor.
*/
public VersionCategory(ICVSRepositoryLocation repo) {
super();
this.repository = repo;
}
/**
* Returns an object which is an instance of the given class
* associated with this object. Returns <code>null</code> if
* no such object can be found.
*/
public Object getAdapter(Class adapter) {
if (adapter == IWorkbenchAdapter.class)
return this;
if (adapter == IDeferredWorkbenchAdapter.class)
return this;
return null;
}
/**
* Returns the children of this object. When this object
* is displayed in a tree, the returned objects will be this
* element's children. Returns an empty enumeration if this
* object has no children.
*/
public Object[] fetchChildren(Object o, IProgressMonitor monitor)
throws TeamException {
if (CVSUIPlugin
.getPlugin()
.getRepositoryManager()
.isDisplayingProjectVersions(repository)) {
return getProjectVersionChildren(o, monitor);
} else {
return getVersionTagChildren(o, monitor);
}
}
/*
* Return the children as a list of versions whose children are projects
*/
private Object[] getVersionTagChildren(Object o, IProgressMonitor monitor)
throws CVSException {
CVSTag[] tags =
CVSUIPlugin.getPlugin().getRepositoryManager().getKnownTags(
repository,
getWorkingSet(),
CVSTag.VERSION,
monitor);
CVSTagElement[] versionElements = new CVSTagElement[tags.length];
for (int i = 0; i < tags.length; i++) {
versionElements[i] = new CVSTagElement(tags[i], repository);
}
return versionElements;
}
/*
* Return the children as a list of projects whose children ar project versions
*/
private Object[] getProjectVersionChildren(
Object o,
IProgressMonitor monitor)
throws TeamException {
IPreferenceStore store = CVSUIPlugin.getPlugin().getPreferenceStore();
ICVSRemoteResource[] resources =
CVSUIPlugin.getPlugin().getRepositoryManager().getFoldersForTag(
repository,
CVSTag.DEFAULT,
monitor);
if (getWorkingSet() != null)
resources =
CVSUIPlugin.getPlugin().getRepositoryManager().filterResources(
getWorkingSet(),
resources);
Object[] modules = new Object[resources.length];
for (int i = 0; i < resources.length; i++) {
modules[i] =
new RemoteModule(
(ICVSRemoteFolder) resources[i],
VersionCategory.this);
}
return modules;
}
/**
* Returns an image descriptor to be used for displaying an object in the workbench.
* Returns null if there is no appropriate image.
*
* @param object The object to get an image descriptor for.
*/
public ImageDescriptor getImageDescriptor(Object object) {
return CVSUIPlugin.getPlugin().getImageDescriptor(
ICVSUIConstants.IMG_VERSIONS_CATEGORY);
}
/**
* Returns the name of this element. This will typically
* be used to assign a label to this object when displayed
* in the UI. Returns an empty string if there is no appropriate
* name for this object.
*
* @param object The object to get a label for.
*/
public String getLabel(Object o) {
return Policy.bind("VersionCategory.Versions_1"); //$NON-NLS-1$
}
/**
* Returns the logical parent of the given object in its tree.
* Returns null if there is no parent, or if this object doesn't
* belong to a tree.
*
* @param object The object to get the parent for.
*/
public Object getParent(Object o) {
return repository;
}
/**
* Return the repository the given element belongs to.
*/
public ICVSRepositoryLocation getRepository(Object o) {
return repository;
}
public void fetchDeferredChildren(
Object o,
IElementCollector collector,
IProgressMonitor monitor) {
try {
collector.add(fetchChildren(o, monitor), monitor);
} catch (TeamException e) {
CVSUIPlugin.log(e);
}
}
public boolean isContainer() {
return true;
}
public ISchedulingRule getRule(Object element) {
return new RepositoryLocationSchedulingRule(repository); //$NON-NLS-1$
}
}
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