/*******************************************************************************
* Copyright (c) 2009, 2011 David Green 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:
* David Green - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.wikitext.ui.editor;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.text.TextSelection;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.mylyn.wikitext.parser.outline.OutlineItem;
import org.eclipse.ui.part.IShowInTarget;
import org.eclipse.ui.part.ShowInContext;
/**
* A means of briding a {@link SourceViewer} with {@link IShowInTarget}.
*
* @author David Green
* @since 1.1
*/
public class ShowInTargetBridge implements IShowInTarget {
private final SourceViewer viewer;
public ShowInTargetBridge(SourceViewer viewer) {
this.viewer = viewer;
}
public boolean show(ShowInContext context) {
ISelection selection = context.getSelection();
if (selection instanceof IStructuredSelection) {
for (Object element : ((IStructuredSelection) selection).toArray()) {
if (element instanceof OutlineItem) {
OutlineItem item = (OutlineItem) element;
viewer.setSelection(new TextSelection(item.getOffset(), item.getLength()), true);
return true;
}
}
} else if (selection instanceof ITextSelection) {
viewer.setSelection(selection, true);
return true;
}
return false;
}
}