| /******************************************************************************* |
| * Copyright (c) 2000, 2018 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.model; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.jobs.ISchedulingRule; |
| 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.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 <T> T getAdapter(Class<T> adapter) { |
| if (adapter == IWorkbenchAdapter.class) |
| return adapter.cast(this); |
| if (adapter == IDeferredWorkbenchAdapter.class) |
| return adapter.cast(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 { |
| |
| 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 CVSUIMessages.VersionCategory_Versions_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) { |
| handle(collector, e); |
| } |
| } |
| |
| public boolean isContainer() { |
| return true; |
| } |
| |
| public ISchedulingRule getRule(Object element) { |
| return new RepositoryLocationSchedulingRule(repository); |
| } |
| } |