/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package qwickie.hyperlink;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import qwickie.util.DocumentHelper;
/**
* Hyperlinker should open the html file and jump to the corresponding wicket:id
*
* @author count.negative
*
*/
@SuppressWarnings("restriction")
public class QWickieJavaHyperlinkDetector extends AbstractHyperlinkDetector {
/*
* (non-Javadoc)
*
* @seeorg.eclipse.jdt.internal.ui.javaeditor.JavaElementHyperlinkDetector# detectHyperlinks(org.eclipse.jface.text.ITextViewer,
* org.eclipse.jface.text.IRegion, boolean)
*/
public IHyperlink[] detectHyperlinks(final ITextViewer textViewer, final IRegion region, final boolean canShowMultipleHyperlinks) {
if ((region == null) || (textViewer == null)) {
return null;
}
final int offset = region.getOffset();
final IDocument document = textViewer.getDocument();
if (document == null) {
return null;
}
final JavaEditor editor = (JavaEditor) getAdapter(JavaEditor.class);
Assert.isNotNull(editor);
String wicketId = null;
String wcName = null;
/* java file region, html file region, properties file region */
final IRegion[] wicketRegions = DocumentHelper.findWicketRegions(editor, document, offset);
if (wicketRegions == null) {
return null;
}
final IRegion widRegion = wicketRegions[0];
final IRegion wcRegion = wicketRegions[1];
final IRegion wcPropertiesRegion = wicketRegions[2];
if (widRegion == null || wcRegion == null) {
return null;
}
try {
wicketId = document.get(widRegion.getOffset(), widRegion.getLength());
wcName = document.get(wcRegion.getOffset(), wcRegion.getLength());
if (wicketId == null || wcName == null) {
return null;
}
} catch (final Exception e) {
return null;
}
final IHyperlink wicketHyperlink = new WicketHyperlink(widRegion, wicketId, wcPropertiesRegion == null ? "html" : "properties");
final IHyperlink wcHyperlink = new WicketComponentHyperlink(wcRegion, wcName);
if (wcHyperlink.getHyperlinkText() != null) {
return new IHyperlink[] { wicketHyperlink, wcHyperlink };
} else {
return new IHyperlink[] { wicketHyperlink };
}
}
}