/*******************************************************************************
* Copyright (c) 2007-2012 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.jsf.text.ext.hyperlink;
import java.text.MessageFormat;
import java.util.List;
import java.util.Properties;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.text.IRegion;
import org.jboss.tools.common.model.XModel;
import org.jboss.tools.common.text.ext.hyperlink.AbstractHyperlink;
import org.jboss.tools.common.text.ext.util.StructuredModelWrapper;
import org.jboss.tools.common.text.ext.util.Utils;
import org.jboss.tools.jsf.text.ext.JSFTextExtMessages;
import org.jboss.tools.jst.web.ui.internal.text.ext.util.TaglibManagerWrapper;
import org.jboss.tools.jst.web.project.list.WebPromptingProvider;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* @author Jeremy
*/
public class JsfJSPTagAttributeHyperlink extends AbstractHyperlink {
/**
* @see AbstractHyperlink#doHyperlink(org.eclipse.jface.text.IRegion)
*/
protected void doHyperlink(IRegion region) {
IFile documentFile = getFile();
XModel xModel = getXModel(documentFile);
if (xModel == null) {
openFileFailed();
return;
}
WebPromptingProvider provider = WebPromptingProvider.getInstance();
Properties p = getRequestProperties(region);
p.put(WebPromptingProvider.FILE, documentFile);
List<Object> list = provider.getList(xModel, WebPromptingProvider.JSF_OPEN_TAG_LIBRARY, p.getProperty("prefix"), p); //$NON-NLS-1$
if (list != null && list.size() >= 1) {
openFileInEditor((String)list.get(0));
return;
}
String error = p.getProperty(WebPromptingProvider.ERROR);
if ( error != null && error.length() > 0) {
openFileFailed();
}
}
protected Properties getRequestProperties(IRegion region) {
Properties p = new Properties();
String value = getURI(region);
if (value != null) {
p.setProperty("prefix", value); //$NON-NLS-1$
}
value = getTagName(region);
if (value != null) {
p.setProperty(WebPromptingProvider.NAME, value);
}
value = getTagAttributeName(region);
if (value != null) {
p.setProperty(WebPromptingProvider.ATTRIBUTE, value);
}
return p;
}
private String getURI(IRegion region) {
StructuredModelWrapper smw = new StructuredModelWrapper();
smw.init(getDocument());
try {
Document xmlDocument = smw.getDocument();
if (xmlDocument == null) return null;
Node n = Utils.findNodeForOffset(xmlDocument, region.getOffset());
Node node = null;
if (n instanceof Attr) {
node = ((Attr)n).getOwnerElement();
} else {
node = n.getParentNode();
}
if (!(node instanceof Element)) return null;
String nodeName = node.getNodeName();
if (nodeName.indexOf(':') == -1) return null;
String nodePrefix = nodeName.substring(0, nodeName.indexOf(":")); //$NON-NLS-1$
if (nodePrefix == null || nodePrefix.length() == 0) return null;
TaglibManagerWrapper tmw = new TaglibManagerWrapper();
tmw.init(getDocument(), region.getOffset());
if (!tmw.exists()) return null;
return tmw.getUri(nodePrefix);
} finally {
smw.dispose();
}
}
private String getTagName(IRegion region) {
if(region == null) return null;
StructuredModelWrapper smw = new StructuredModelWrapper();
smw.init(getDocument());
try {
Document xmlDocument = smw.getDocument();
if (xmlDocument == null) return null;
Node n = Utils.findNodeForOffset(xmlDocument, region.getOffset());
Node node = null;
if (n instanceof Attr) {
node = ((Attr)n).getOwnerElement();
} else {
node = n.getParentNode();
}
if (!(node instanceof Element)) return null;
String tagName = node.getNodeName();
if (tagName.indexOf(':') == -1) return null;
return tagName.substring(tagName.indexOf(':') + 1);
} finally {
smw.dispose();
}
}
private String getTagAttributeName(IRegion region) {
if(region == null) return null;
StructuredModelWrapper smw = new StructuredModelWrapper();
smw.init(getDocument());
try {
Document xmlDocument = smw.getDocument();
if (xmlDocument == null) return null;
Node n = Utils.findNodeForOffset(xmlDocument, region.getOffset());
if (n instanceof Attr) {
return ((Attr)n).getName();
}
return null;
} finally {
smw.dispose();
}
}
/*
* (non-Javadoc)
*
* @see IHyperlink#getHyperlinkText()
*/
public String getHyperlinkText() {
String tagName = getTagName(getHyperlinkRegion());
String attrName = getTagAttributeName(getHyperlinkRegion());
if (tagName == null || attrName == null)
return JSFTextExtMessages.OpenTagLibraryForAnAttribute;
return MessageFormat.format(JSFTextExtMessages.OpenTagLibraryForAttributeName, attrName, tagName);
}
}