/*******************************************************************************
* Copyright (c) 2007, 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.IDocument;
import org.eclipse.jface.text.IFindReplaceTarget;
import org.eclipse.jface.text.information.IInformationPresenter;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.IVerticalRuler;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.text.source.SourceViewerConfiguration;
import org.eclipse.mylyn.internal.wikitext.ui.editor.FindAndReplaceTarget;
import org.eclipse.mylyn.internal.wikitext.ui.editor.commands.ShowQuickOutlineCommand;
import org.eclipse.mylyn.internal.wikitext.ui.editor.syntax.FastMarkupPartitioner;
import org.eclipse.mylyn.wikitext.parser.markup.MarkupLanguage;
import org.eclipse.swt.widgets.Composite;
/**
* A source viewer for editors using lightweight markup. Typically configured as follows:
*
* <pre>
* SourceViewer viewer = new MarkupSourceViewer(parent, null, style | SWT.WRAP, markupLanguage);
* // configure the viewer
* MarkupSourceViewerConfiguration configuration = createSourceViewerConfiguration(taskRepository, viewer);
*
* configuration.setMarkupLanguage(markupLanguage);
* configuration.setShowInTarget(new ShowInTargetBridge(viewer));
* viewer.configure(configuration);
*
* // we want the viewer to show annotations
* viewer.showAnnotations(true);
* </pre>
*
* @author David Green
* @since 1.1
*/
public class MarkupSourceViewer extends SourceViewer {
private final MarkupLanguage markupLanguage;
/**
* Operation code for quick outline
*/
public static final int QUICK_OUTLINE = ShowQuickOutlineCommand.QUICK_OUTLINE;
private IInformationPresenter outlinePresenter;
private IFindReplaceTarget findReplaceTarget;
/**
* @since 3.0
*/
public MarkupSourceViewer(Composite parent, IVerticalRuler ruler, int styles, MarkupLanguage markupLanguage) {
super(parent, ruler, styles);
this.markupLanguage = markupLanguage;
}
@Override
public void setDocument(IDocument document, IAnnotationModel annotationModel, int modelRangeOffset,
int modelRangeLength) {
if (document != null) {
configurePartitioning(document);
}
super.setDocument(document, annotationModel, modelRangeOffset, modelRangeLength);
}
private void configurePartitioning(IDocument document) {
FastMarkupPartitioner partitioner = new FastMarkupPartitioner();
partitioner.setMarkupLanguage(markupLanguage.clone());
partitioner.connect(document);
document.setDocumentPartitioner(partitioner);
}
@Override
public void doOperation(int operation) {
if (operation == QUICK_OUTLINE && outlinePresenter != null) {
outlinePresenter.showInformation();
return;
}
super.doOperation(operation);
}
@Override
public boolean canDoOperation(int operation) {
if (operation == QUICK_OUTLINE && outlinePresenter != null) {
return true;
}
return super.canDoOperation(operation);
}
@Override
public IFindReplaceTarget getFindReplaceTarget() {
if (findReplaceTarget != null) {
return findReplaceTarget;
}
return super.getFindReplaceTarget();
}
@Override
public void configure(SourceViewerConfiguration configuration) {
super.configure(configuration);
if (configuration instanceof MarkupSourceViewerConfiguration) {
MarkupSourceViewerConfiguration markupConfiguration = (MarkupSourceViewerConfiguration) configuration;
outlinePresenter = markupConfiguration.getOutlineInformationPresenter(this);
outlinePresenter.install(this);
if (markupConfiguration.isEnableSelfContainedIncrementalFind()) {
findReplaceTarget = new FindAndReplaceTarget(this);
}
}
}
}