/*******************************************************************************
* Copyright (c) 2010 Spring IDE Developers
* 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:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.webflow.ui.editor.hyperlink.webflow;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.springframework.ide.eclipse.beans.ui.editor.hyperlink.HyperlinkUtils;
import org.springframework.ide.eclipse.beans.ui.editor.hyperlink.IHyperlinkCalculator;
import org.springframework.ide.eclipse.beans.ui.editor.hyperlink.NodeElementHyperlink;
import org.springframework.ide.eclipse.beans.ui.editor.util.BeansEditorUtils;
import org.springframework.ide.eclipse.webflow.ui.editor.WebflowNamespaceUtils;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* {@link IHyperlinkCalculator} for state references.
* @author Christian Dupuis
* @author Leo Dos Santos
* @since 2.3.4
*/
public class StateReferenceHyperlinkCalculator implements IHyperlinkCalculator {
public IHyperlink createHyperlink(String name, String target, Node node,
Node parentNode, IDocument document, ITextViewer textViewer,
IRegion hyperlinkRegion, IRegion cursor) {
Node flowNode = WebflowNamespaceUtils.locateFlowRootNode(node);
NodeList nodes = flowNode.getChildNodes();
if (nodes.getLength() > 0) {
for (int i = 0; i < nodes.getLength(); i++) {
String id = BeansEditorUtils.getAttribute(nodes.item(i), "id");
if (target.equals(id)) {
IRegion region = HyperlinkUtils.getHyperlinkRegion(nodes.item(i));
return new NodeElementHyperlink(hyperlinkRegion, region, textViewer);
}
}
}
return null;
}
}