| /******************************************************************************* |
| * 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.actions; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.NullProgressMonitor; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.internal.ccvs.core.*; |
| import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot; |
| import org.eclipse.team.internal.ccvs.ui.CVSCompareRevisionsInput; |
| import org.eclipse.team.internal.ccvs.ui.Policy; |
| import org.eclipse.team.ui.SaveablePartDialog; |
| |
| /** |
| * Compare with revision will allow a user to browse the history of a file, compare with the |
| * other revisions and merge changes from other revisions into the workspace copy. |
| */ |
| public class CompareWithRevisionAction extends WorkspaceAction { |
| |
| /** |
| * Returns the selected remote file |
| */ |
| protected ICVSRemoteFile getSelectedRemoteFile() { |
| IResource[] resources = getSelectedResources(); |
| if (resources.length != 1) return null; |
| if (!(resources[0] instanceof IFile)) return null; |
| IFile file = (IFile)resources[0]; |
| try { |
| return (ICVSRemoteFile)CVSWorkspaceRoot.getRemoteResourceFor(file); |
| } catch (TeamException e) { |
| handle(e, null, null); |
| return null; |
| } |
| } |
| |
| /* |
| * @see CVSAction#execute(IAction) |
| */ |
| public void execute(IAction action) throws InvocationTargetException, InterruptedException { |
| |
| // Setup holders |
| final ICVSRemoteFile[] file = new ICVSRemoteFile[] { null }; |
| final ILogEntry[][] entries = new ILogEntry[][] { null }; |
| |
| // Get the selected file |
| run(new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) throws InvocationTargetException { |
| file[0] = getSelectedRemoteFile(); |
| } |
| }, false /* cancelable */, PROGRESS_BUSYCURSOR); |
| |
| if (file[0] == null) { |
| // No revisions for selected file |
| MessageDialog.openWarning(getShell(), Policy.bind("CompareWithRevisionAction.noRevisions"), Policy.bind("CompareWithRevisionAction.noRevisionsLong")); //$NON-NLS-1$ //$NON-NLS-2$ |
| return; |
| } |
| |
| // Fetch the log entries |
| run(new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) throws InvocationTargetException { |
| try { |
| monitor.beginTask(Policy.bind("CompareWithRevisionAction.fetching"), 100); //$NON-NLS-1$ |
| entries[0] = file[0].getLogEntries(Policy.subMonitorFor(monitor, 100)); |
| monitor.done(); |
| } catch (TeamException e) { |
| throw new InvocationTargetException(e); |
| } |
| } |
| }, true /* cancelable */, PROGRESS_DIALOG); |
| |
| if (entries[0] == null) return; |
| |
| // Show the compare viewer |
| run(new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) throws InterruptedException, InvocationTargetException { |
| CVSCompareRevisionsInput input = new CVSCompareRevisionsInput((IFile)getSelectedResources()[0], entries[0]) { |
| public String getTitle() { |
| return CompareWithRevisionAction.this.getActionTitle(); |
| } |
| }; |
| // running with a null progress monitor is fine because we have already pre-fetched the log entries above. |
| input.run(new NullProgressMonitor()); |
| SaveablePartDialog cd = createCompareDialog(getShell(), input); |
| cd.setBlockOnOpen(true); |
| cd.open(); |
| } |
| }, false /* cancelable */, PROGRESS_BUSYCURSOR); |
| } |
| |
| /** |
| * Return the compare dialog to use to show the compare input. |
| */ |
| protected SaveablePartDialog createCompareDialog(Shell shell, CVSCompareRevisionsInput input) { |
| return new SaveablePartDialog(shell, input); //$NON-NLS-1$ |
| } |
| |
| /** |
| * Return the text describing this action |
| */ |
| protected String getActionTitle() { |
| return Policy.bind("CompareWithRevisionAction.4"); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.ui.actions.CVSAction#getErrorTitle() |
| */ |
| protected String getErrorTitle() { |
| return Policy.bind("CompareWithRevisionAction.compare"); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.ui.actions.WorkspaceAction#isEnabledForCVSResource(org.eclipse.team.internal.ccvs.core.ICVSResource) |
| */ |
| protected boolean isEnabledForCVSResource(ICVSResource cvsResource) throws CVSException { |
| return (!cvsResource.isFolder() && super.isEnabledForCVSResource(cvsResource)); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.ui.actions.WorkspaceAction#isEnabledForMultipleResources() |
| */ |
| protected boolean isEnabledForMultipleResources() { |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.internal.ccvs.ui.actions.WorkspaceAction#isEnabledForAddedResources() |
| */ |
| protected boolean isEnabledForAddedResources() { |
| return false; |
| } |
| } |