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/*******************************************************************************
* Copyright (c) 2000, 2006 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.compare.CompareConfiguration;
import org.eclipse.compare.structuremergeviewer.ICompareInput;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.internal.ui.history.FileRevisionTypedElement;
import org.eclipse.team.internal.ui.history.TypedBufferedContent;
import org.eclipse.team.ui.SaveablePartDialog;
import org.eclipse.team.ui.history.*;
/**
* Displays a compare dialog and allows the same behavior as the compare. In addition
* a replace button is added to the dialog that will replace the local with the currently
* selected revision.
*
* @since 3.0
*/
public class ReplaceWithRevisionAction extends CompareWithRevisionAction {
protected static final int REPLACE_ID = 10;
protected class ReplaceSaveablePart extends HistoryPageSaveablePart {
ICompareInput compareInput;
public ReplaceSaveablePart(Shell shell, CompareConfiguration configuration, IHistoryPageSource pageSource, Object object) {
super(shell, configuration, pageSource, object);
}
protected void prepareInput(ICompareInput input, CompareConfiguration configuration, IProgressMonitor monitor) throws InvocationTargetException {
super.prepareInput(input, configuration, monitor);
compareInput = input;
configuration.setLeftEditable(false);
}
public void replaceLocalWithCurrentlySelectedRevision() throws CoreException{
FileRevisionTypedElement right = (FileRevisionTypedElement) compareInput.getRight();
TypedBufferedContent left = (TypedBufferedContent)compareInput.getLeft();
left.setContent(Utils.readBytes(right.getContents()));
}
public ISelectionProvider getReplaceSelectionProvider(){
return getSelectionProvider();
}
}
protected class ReplaceCompareDialog extends SaveablePartDialog {
private Button replaceButton;
public ReplaceCompareDialog(Shell shell, ReplaceSaveablePart input) {
super(shell, input);
}
/**
* Add the replace button to the dialog.
*/
protected void createButtonsForButtonBar(Composite parent) {
replaceButton = createButton(parent, REPLACE_ID, CVSUIMessages.ReplaceWithRevisionAction_0, true);
replaceButton.setEnabled(false);
((ReplaceSaveablePart) getInput()).getReplaceSelectionProvider().addSelectionChangedListener(
new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent e) {
IStructuredSelection s= (StructuredSelection) e.getSelection();
replaceButton.setEnabled(s != null && ! s.isEmpty() && s.size() == 1);
}
}
);
createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
// Don't call super because we don't want the OK button to appear
}
/**
* If the replace button was pressed.
*/
protected void buttonPressed(int buttonId) {
if(buttonId == REPLACE_ID) {
try {
((ReplaceSaveablePart) getInput()).replaceLocalWithCurrentlySelectedRevision();
} catch (CoreException e) {
Utils.handle(e);
}
buttonId = IDialogConstants.OK_ID;
}
super.buttonPressed(buttonId);
}
}
protected void showCompareInDialog(Shell shell, Object object){
IHistoryPageSource pageSource = HistoryPageSource.getHistoryPageSource(object);
if (pageSource != null && pageSource.canShowHistoryFor(object)) {
CompareConfiguration cc = new CompareConfiguration();
cc.setLeftEditable(false);
cc.setRightEditable(false);
ReplaceSaveablePart input = new ReplaceSaveablePart(shell, cc, pageSource, object);
SaveablePartDialog cd = new ReplaceCompareDialog(shell, input);
cd.setBlockOnOpen(true);
cd.open();
}
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.actions.CompareWithRevisionAction#getActionTitle()
*/
protected String getActionTitle() {
return CVSUIMessages.ReplaceWithRevisionAction_1;
}
}
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