| /******************************************************************************* |
| * Copyright (c) 2005, 2015 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 |
| * Thomas Wolf <thomas.wolf@paranor.ch> - Bug 477248 |
| *******************************************************************************/ |
| package org.eclipse.egit.ui.internal.revision; |
| |
| import java.io.InputStream; |
| import java.net.URI; |
| import java.util.Date; |
| |
| import org.eclipse.core.resources.IEncodedStorage; |
| import org.eclipse.core.resources.IFileState; |
| import org.eclipse.core.resources.IStorage; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.PlatformObject; |
| import org.eclipse.egit.ui.internal.CommonUtils; |
| import org.eclipse.egit.ui.internal.CompareUtils; |
| import org.eclipse.egit.ui.internal.PreferenceBasedDateFormatter; |
| import org.eclipse.egit.ui.internal.UIText; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.team.core.history.IFileRevision; |
| import org.eclipse.ui.IPersistableElement; |
| import org.eclipse.ui.IStorageEditorInput; |
| import org.eclipse.ui.model.IWorkbenchAdapter; |
| |
| /** |
| * An Editor input for file revisions |
| */ |
| public class FileRevisionEditorInput extends PlatformObject implements |
| IWorkbenchAdapter, IStorageEditorInput { |
| |
| private final Object fileRevision; |
| |
| private final IStorage storage; |
| |
| /** |
| * @param revision |
| * the file revision |
| * @param monitor |
| * @return a file revision editor input |
| * @throws CoreException |
| */ |
| public static FileRevisionEditorInput createEditorInputFor( |
| IFileRevision revision, IProgressMonitor monitor) |
| throws CoreException { |
| IStorage storage = revision.getStorage(monitor); |
| return new FileRevisionEditorInput(revision, storage); |
| } |
| |
| private static IStorage wrapStorage(final IStorage storage, |
| final String charset) { |
| if (charset == null) |
| return storage; |
| if (storage instanceof IFileState) { |
| return new IFileState() { |
| @Override |
| public Object getAdapter(Class adapter) { |
| return CommonUtils.getAdapter(storage, adapter); |
| } |
| |
| @Override |
| public boolean isReadOnly() { |
| return storage.isReadOnly(); |
| } |
| |
| @Override |
| public String getName() { |
| return storage.getName(); |
| } |
| |
| @Override |
| public IPath getFullPath() { |
| return storage.getFullPath(); |
| } |
| |
| @Override |
| public InputStream getContents() throws CoreException { |
| return storage.getContents(); |
| } |
| |
| @Override |
| public String getCharset() throws CoreException { |
| return charset; |
| } |
| |
| @Override |
| public boolean exists() { |
| return ((IFileState) storage).exists(); |
| } |
| |
| @Override |
| public long getModificationTime() { |
| return ((IFileState) storage).getModificationTime(); |
| } |
| }; |
| } |
| |
| return new IEncodedStorage() { |
| @Override |
| public Object getAdapter(Class adapter) { |
| return CommonUtils.getAdapter(storage, adapter); |
| } |
| |
| @Override |
| public boolean isReadOnly() { |
| return storage.isReadOnly(); |
| } |
| |
| @Override |
| public String getName() { |
| return storage.getName(); |
| } |
| |
| @Override |
| public IPath getFullPath() { |
| return storage.getFullPath(); |
| } |
| |
| @Override |
| public InputStream getContents() throws CoreException { |
| return storage.getContents(); |
| } |
| |
| @Override |
| public String getCharset() throws CoreException { |
| return charset; |
| } |
| }; |
| } |
| |
| /** |
| * @param revision |
| * the file revision |
| * @param storage |
| * the contents of the file revision |
| */ |
| public FileRevisionEditorInput(Object revision, IStorage storage) { |
| Assert.isNotNull(revision); |
| Assert.isNotNull(storage); |
| this.fileRevision = revision; |
| this.storage = storage; |
| } |
| |
| /** |
| * @param state |
| * the file state |
| */ |
| public FileRevisionEditorInput(IFileState state) { |
| this(state, state); |
| } |
| |
| /** |
| * @param revision |
| * @param storage |
| * @param charset |
| */ |
| public FileRevisionEditorInput(Object revision, IStorage storage, |
| String charset) { |
| this(revision, wrapStorage(storage, charset)); |
| } |
| |
| @Override |
| public IStorage getStorage() throws CoreException { |
| return storage; |
| } |
| |
| @Override |
| public boolean exists() { |
| return true; |
| } |
| |
| @Override |
| public ImageDescriptor getImageDescriptor() { |
| return null; |
| } |
| |
| @Override |
| public String getName() { |
| IFileRevision rev = CommonUtils.getAdapter(this, IFileRevision.class); |
| if (rev != null) { |
| return NLS.bind( |
| UIText.FileRevisionEditorInput_NameAndRevisionTitle, |
| new String[] { rev.getName(), rev.getContentIdentifier() }); |
| } |
| IFileState state = CommonUtils.getAdapter(this, IFileState.class); |
| if (state != null) { |
| return state.getName() + ' ' + PreferenceBasedDateFormatter.create() |
| .formatDate(new Date(state.getModificationTime())); |
| } |
| return storage.getName(); |
| |
| } |
| |
| @Override |
| public IPersistableElement getPersistable() { |
| // can't persist |
| return null; |
| } |
| |
| @Override |
| public String getToolTipText() { |
| return storage.getFullPath().toString(); |
| } |
| |
| @Override |
| public Object getAdapter(Class adapter) { |
| if (adapter == IWorkbenchAdapter.class) |
| return this; |
| if (adapter == IStorage.class) |
| return storage; |
| Object object = super.getAdapter(adapter); |
| if (object != null) |
| return object; |
| return CompareUtils.getAdapter(fileRevision, adapter); |
| } |
| |
| @Override |
| public Object[] getChildren(Object o) { |
| return new Object[0]; |
| } |
| |
| @Override |
| public ImageDescriptor getImageDescriptor(Object object) { |
| return null; |
| } |
| |
| @Override |
| public String getLabel(Object o) { |
| IFileRevision rev = CommonUtils.getAdapter(this, IFileRevision.class); |
| if (rev != null) |
| return rev.getName(); |
| return storage.getName(); |
| } |
| |
| @Override |
| public Object getParent(Object o) { |
| return null; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) |
| return true; |
| |
| if (obj instanceof FileRevisionEditorInput) { |
| FileRevisionEditorInput other = (FileRevisionEditorInput) obj; |
| return (other.fileRevision.equals(this.fileRevision)); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return fileRevision.hashCode(); |
| } |
| |
| /** |
| * @return the revision |
| */ |
| public IFileRevision getFileRevision() { |
| if (fileRevision instanceof IFileRevision) { |
| return (IFileRevision) fileRevision; |
| } |
| return null; |
| } |
| |
| /** |
| * @return the revision |
| */ |
| public URI getURI() { |
| if (fileRevision instanceof IFileRevision) { |
| IFileRevision fr = (IFileRevision) fileRevision; |
| return fr.getURI(); |
| } |
| return null; |
| } |
| } |