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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.annotatedlineeditor;
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import java.util.Iterator;
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import org.apache.log4j.Logger;
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import org.eclipse.jface.text.DefaultInformationControl;
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import org.eclipse.jface.text.DefaultTextHover;
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import org.eclipse.jface.text.IInformationControl;
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import org.eclipse.jface.text.IInformationControlCreator;
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import org.eclipse.jface.text.IRegion;
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import org.eclipse.jface.text.ITextHover;
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import org.eclipse.jface.text.ITextHoverExtension;
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import org.eclipse.jface.text.ITextViewer;
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import org.eclipse.jface.text.Position;
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import org.eclipse.jface.text.reconciler.IReconciler;
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import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
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import org.eclipse.jface.text.reconciler.MonoReconciler;
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import org.eclipse.jface.text.source.Annotation;
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import org.eclipse.jface.text.source.IAnnotationModel;
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import org.eclipse.jface.text.source.ISourceViewer;
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import org.eclipse.jface.text.source.SourceViewerConfiguration;
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import org.eclipse.swt.widgets.Shell;
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import org.eclipse.ui.editors.text.EditorsUI;
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/**
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* <p>AnnotatedLineEditorSourceViewerConfiguration class.</p>
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*
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* @author p.ciardelli
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* @created 25.06.2009
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* @version 1.0
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*/
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public class AnnotatedLineEditorSourceViewerConfiguration extends
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SourceViewerConfiguration {
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@SuppressWarnings("unused")
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private static final Logger logger = Logger.getLogger(AnnotatedLineEditorSourceViewerConfiguration.class);
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.source.SourceViewerConfiguration#getReconciler(org.eclipse.jface.text.source.ISourceViewer)
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*/
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/** {@inheritDoc} */
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public IReconciler getReconciler(ISourceViewer sourceViewer) {
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IReconcilingStrategy strategy = new AnnotatedLineEditorReconcilingStrategy(sourceViewer);
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IReconciler reconciler = new MonoReconciler(strategy, true);
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return reconciler;
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.source.SourceViewerConfiguration#getTextHover(org.eclipse.jface.text.source.ISourceViewer, java.lang.String, int)
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*/
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/** {@inheritDoc} */
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@Override
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public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType) {
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/**
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* http://dev.eclipse.org/newslists/news.eclipse.platform/msg76821.html
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*
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* The Javadoc hover is shown in a Browser widget
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*/
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return new TextHover(sourceViewer);
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}
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private final class TextHover extends DefaultTextHover implements ITextHoverExtension {
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private ISourceViewer sourceViewer;
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public TextHover(ISourceViewer sourceViewer) {
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super(sourceViewer);
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this.sourceViewer = sourceViewer;
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.DefaultTextHover#getHoverInfo(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
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*/
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@Override
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public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
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IAnnotationModel model= sourceViewer.getAnnotationModel();
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Iterator e= model.getAnnotationIterator();
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while (e.hasNext()) {
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Annotation annotation= (Annotation) e.next();
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if (isIncluded(annotation)) {
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Position p= model.getPosition(annotation);
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if (p != null && p.overlapsWith(hoverRegion.getOffset(), hoverRegion.getLength())) {
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return ((LineAnnotation) annotation).getHoverText();
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}
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}
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}
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return null;
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.text.ITextHoverExtension#getHoverControlCreator()
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*/
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public IInformationControlCreator getHoverControlCreator() {
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return new IInformationControlCreator() {
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public IInformationControl createInformationControl(Shell parent) {
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return new DefaultInformationControl(parent, EditorsUI.getTooltipAffordanceString());
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}
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};
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}
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}
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}
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