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/*******************************************************************************
* Copyright (c) 2009, 2015 Atlassian 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:
* Atlassian - initial API and implementation
* Tasktop Technologies - improvements
* Sebastien Dubois (Ericsson) - Improvements for bug 400266
* Guy Perron (Ericsson) - Bug 422673 Insert annotation navigation
******************************************************************************/
package org.eclipse.mylyn.internal.reviews.ui.compare;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareEditorInput;
import org.eclipse.compare.CompareViewerPane;
import org.eclipse.compare.ITypedElement;
import org.eclipse.compare.structuremergeviewer.Differencer;
import org.eclipse.compare.structuremergeviewer.ICompareInput;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.compare.structuremergeviewer.StructureDiffViewer;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.internal.reviews.ui.Messages;
import org.eclipse.mylyn.internal.reviews.ui.ReviewsImages;
import org.eclipse.mylyn.internal.reviews.ui.ReviewsUiPlugin;
import org.eclipse.mylyn.reviews.ui.ReviewBehavior;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
/**
* @author Steffen Pingel
* @author Sebastien Dubois
* @author Miles Parker
* @author Guy Perron
* @author Jacques Bouthillier
*/
public abstract class ReviewItemCompareEditorInput extends CompareEditorInput {
private static final String NAVIGATION_GROUP = "navigation"; //$NON-NLS-1$
private static final String ID_NEXT_COMMENT = ReviewsUiPlugin.PLUGIN_ID + "navigate.comment.next"; //$NON-NLS-1$
private static final String ID_PREVIOUS_COMMENT = ReviewsUiPlugin.PLUGIN_ID + "navigate.comment.previous"; //$NON-NLS-1$
final ReviewBehavior behavior;
public ReviewItemCompareEditorInput(CompareConfiguration configuration, ReviewBehavior behavior) {
super(configuration);
this.behavior = behavior;
}
@Override
public Viewer findStructureViewer(Viewer oldViewer, ICompareInput input, Composite parent) {
Viewer structureViewer = super.findStructureViewer(oldViewer, input, parent);
if (structureViewer instanceof StructureDiffViewer) {
StructureDiffViewer diffViewer = (StructureDiffViewer) structureViewer;
diffViewer.setLabelProvider(new LabelProvider() {
@Override
public String getText(Object element) {
if (element instanceof ITypedElement) {
return ((ITypedElement) element).getName();
}
return "<no name>"; //$NON-NLS-1$
}
@Override
public Image getImage(Object element) {
if (element instanceof IDiffElement) {
IDiffElement input = (IDiffElement) element;
int kind = input.getKind();
//We need to swap additions and deletions as work-around. See https://bugs.eclipse.org/bugs/show_bug.cgi?id=410534
if (kind == Differencer.ADDITION) {
kind = Differencer.DELETION;
} else if (kind == Differencer.DELETION) {
kind = Differencer.ADDITION;
}
return getCompareConfiguration().getImage(input.getImage(), kind);
}
return null;
}
});
}
return structureViewer;
}
@Override
public Viewer findContentViewer(Viewer oldViewer, ICompareInput input, Composite parent) {
Viewer contentViewer = super.findContentViewer(oldViewer, input, parent);
if (input instanceof FileItemNode && ((FileItemNode) input).getFileItem() != null) {
ReviewCompareAnnotationSupport support = ReviewCompareAnnotationSupport.getAnnotationSupport(contentViewer);
support.setReviewItem(((FileItemNode) input).getFileItem(), behavior);
initializeGotoCommentHandlers(parent, support);
}
return contentViewer;
}
private void initializeGotoCommentHandlers(Composite parent, final ReviewCompareAnnotationSupport support) {
ToolBarManager tbm = CompareViewerPane.getToolBarManager(parent);
if (tbm != null) {
if (tbm.find(NAVIGATION_GROUP) != null) {
if (tbm.find(ID_NEXT_COMMENT) == null) {
Action goToNextAction = new Action(Messages.Reviews_NextComment, ReviewsImages.NEXT_COMMENT) {
@Override
public void run() {
support.gotoAnnotation(Direction.FORWARDS);
}
};
goToNextAction.setId(ID_NEXT_COMMENT);
goToNextAction.setToolTipText(Messages.Reviews_NextComment_Tooltip);
tbm.appendToGroup(NAVIGATION_GROUP, goToNextAction);
}
if (tbm.find(ID_PREVIOUS_COMMENT) == null) {
Action goToPreviousAction = new Action(Messages.Reviews_PreviousComment,
ReviewsImages.PREVIOUS_COMMENT) {
@Override
public void run() {
support.gotoAnnotation(Direction.BACKWARDS);
}
};
goToPreviousAction.setId(ID_PREVIOUS_COMMENT);
goToPreviousAction.setToolTipText(Messages.Reviews_PreviousComment_Tooltip);
tbm.appendToGroup(NAVIGATION_GROUP, goToPreviousAction);
}
} else {// bug 430151
StatusHandler.log(new Status(IStatus.ERROR, ReviewsUiPlugin.PLUGIN_ID,
"Could not create comment navigation buttons", new Exception())); //$NON-NLS-1$
}
tbm.update(true);
}
}
public String getItemTaskId() {
return behavior.getTask().getTaskId();
}
}
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