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/*******************************************************************************
* Copyright (c) 2012 Ericsson
* 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:
* Miles Parker, Tasktop Technologies - initial API and implementation
* Sebastien Dubois (Ericsson) - Improvements for bug 400266
*******************************************************************************/
package org.eclipse.mylyn.internal.gerrit.ui.providers;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareUI;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.mylyn.internal.gerrit.ui.GerritReviewBehavior;
import org.eclipse.mylyn.internal.reviews.ui.compare.FileItemCompareEditorInput;
import org.eclipse.mylyn.internal.reviews.ui.views.ReviewExplorer;
import org.eclipse.mylyn.reviews.core.model.IFileItem;
import org.eclipse.mylyn.reviews.core.model.IFileVersion;
import org.eclipse.mylyn.reviews.core.model.IReview;
import org.eclipse.mylyn.reviews.core.model.IComment;
import org.eclipse.mylyn.tasks.ui.editors.TaskEditor;
import org.eclipse.mylyn.tasks.ui.editors.TaskEditorInput;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.navigator.CommonActionProvider;
import org.eclipse.ui.navigator.CommonViewer;
import org.eclipse.ui.navigator.ICommonActionConstants;
import org.eclipse.ui.navigator.ICommonActionExtensionSite;
import org.eclipse.ui.navigator.ICommonViewerWorkbenchSite;
/**
* @author Miles Parker
*/
public class OpenCompareEditorProvider extends CommonActionProvider {
private Action openAction;
@Override
public void init(ICommonActionExtensionSite site) {
if (site.getViewSite() instanceof ICommonViewerWorkbenchSite) {
final ICommonViewerWorkbenchSite viewSite = (ICommonViewerWorkbenchSite) site.getViewSite();
final ISelectionProvider selectionProvider = viewSite.getSelectionProvider();
CommonViewer viewer = (CommonViewer) selectionProvider;
final ReviewExplorer explorer = (ReviewExplorer) viewer.getCommonNavigator();
openAction = new Action() {
@Override
public void run() {
IStructuredSelection selection = (IStructuredSelection) selectionProvider.getSelection();
if (selection.size() == 1) {
IFileItem fileItem = getFileFor(selection.getFirstElement());
if (fileItem != null) {
IWorkbenchPart currentPart = explorer.getCurrentPart();
if (currentPart instanceof TaskEditor) {
//Here we try to resolve the Git repository in the workspace for this Patch Set.
//If so, we will use the appropriate file revision to provide navigability in the Compare Editor.
//TODO: Here we need to find a way to get a IUiContext and IReviewItemSet from the fileItem
//TODO: Once this is done, we can get use the OpenFileUiFactory#execute command here
//IUiContext context...;
//IReviewItemSet set...context;
//OpenFileUiFactory openFileFactory = new OpenFileUiFactory(context, set, fileItem);
//openFileFactory.execute();
TaskEditor part = (TaskEditor) currentPart;
TaskEditorInput input = (TaskEditorInput) part.getEditorInput();
GerritReviewBehavior behavior = new GerritReviewBehavior(input.getTask());
CompareConfiguration configuration = new CompareConfiguration();
CompareUI.openCompareEditor(new FileItemCompareEditorInput(configuration, fileItem,
behavior));
}
}
}
}
@Override
public boolean isEnabled() {
return true;
}
};
}
}
private static IFileItem getFileFor(Object element) {
//TODO Move to adapter?
if (element instanceof IComment) {
return getFileFor(((IComment) element).getItem());
}
if (element instanceof IFileVersion) {
return ((IFileVersion) element).getFile();
}
if (element instanceof IFileItem) {
return (IFileItem) element;
}
return null;
}
private static IReview getReviewFor(Object element) {
if (element instanceof IComment) {
return ((IComment) element).getReview();
}
if (element instanceof IFileVersion) {
return ((IFileVersion) element).getReview();
}
if (element instanceof IFileItem) {
return ((IFileItem) element).getReview();
}
return null;
}
@Override
public void fillActionBars(IActionBars actionBars) {
if (openAction.isEnabled()) {
actionBars.setGlobalActionHandler(ICommonActionConstants.OPEN, openAction);
}
}
}
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