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/*******************************************************************************
* Copyright (c) 2000, 2004 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.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.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.*;
import org.eclipse.team.ui.TeamUI;
import org.eclipse.team.ui.history.HistoryPageSaveablePart;
import org.eclipse.team.ui.history.IHistoryPage;
/**
* 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 };
// 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(), CVSUIMessages.CompareWithRevisionAction_noRevisions, CVSUIMessages.CompareWithRevisionAction_noRevisionsLong); //
return;
}
// Show the compare viewer
run(new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InterruptedException, InvocationTargetException {
if(CVSUIPlugin.getPlugin().getPreferenceStore().getBoolean(ICVSUIConstants.PREF_SHOW_COMPARE_REVISION_IN_DIALOG)) {
IFile file = (IFile) getSelectedResources()[0];
showCompareInDialog(getShell(), file);
} else {
IHistoryPage page = TeamUI.getHistoryView().showHistoryFor((IFile)getSelectedResources()[0]);
if (page instanceof CVSHistoryPage){
CVSHistoryPage cvsHistoryPage = (CVSHistoryPage) page;
cvsHistoryPage.setClickAction(true);
}
}
}
}, false /* cancelable */, PROGRESS_BUSYCURSOR);
}
protected void showCompareInDialog(Shell shell, Object object){
HistoryPageSaveablePart.showHistoryInDialog(shell, object);
}
/**
* Return the text describing this action
*/
protected String getActionTitle() {
return CVSUIMessages.CompareWithRevisionAction_4;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.actions.CVSAction#getErrorTitle()
*/
protected String getErrorTitle() {
return CVSUIMessages.CompareWithRevisionAction_compare;
}
/* (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;
}
protected boolean isEnabledForUnmanagedResources() {
return true;
}
}
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