/*******************************************************************************
* 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.ArrayList;
import java.util.Properties;
import org.eclipse.jface.text.IRegion;
import org.eclipse.ui.IEditorPart;
import org.jboss.tools.common.text.ext.hyperlink.XModelBasedHyperlink;
import org.jboss.tools.common.text.ext.hyperlink.xpl.Messages;
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.JSFExtensionsPlugin;
import org.jboss.tools.jst.web.ui.internal.text.ext.util.TaglibManagerWrapper;
import org.jboss.tools.jst.web.project.list.WebPromptingProvider;
import org.jboss.tools.jst.web.tld.TaglibData;
import org.jboss.tools.jst.web.tld.VpeTaglibManager;
import org.jboss.tools.jst.web.tld.VpeTaglibManagerProvider;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* @author Jeremy
*
*/
public class LoadBundleHyperlink extends XModelBasedHyperlink {
protected String getRequestMethod() {
return WebPromptingProvider.JSF_OPEN_BUNDLE;
}
protected Properties getRequestProperties(IRegion region) {
Properties p = new Properties();
String value = getBundleBasename(region);
value = (value == null? "" : value); //$NON-NLS-1$
p.setProperty(WebPromptingProvider.BUNDLE, value);
value = getPageLocale(region);
if (value != null) {
p.setProperty(WebPromptingProvider.LOCALE, value);
}
return p;
}
private String getBundleBasename(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());
if (!(n instanceof Attr) ) return null;
Element lbTag = ((Attr)n).getOwnerElement();
Attr lbTagBasename = lbTag.getAttributeNode("basename"); //$NON-NLS-1$
if (lbTagBasename == null || lbTagBasename.getNodeValue() == null ||
lbTagBasename.getNodeValue().trim().length() == 0) return null;
return lbTagBasename.getNodeValue();
} finally {
smw.dispose();
}
}
private static final String VIEW_TAGNAME = "view"; //$NON-NLS-1$
private static final String LOCALE_ATTRNAME = "locale"; //$NON-NLS-1$
private static final String PREFIX_SEPARATOR = ":"; //$NON-NLS-1$
private String getPageLocale(IRegion region) {
if(getDocument() == null || region == null) return null;
StructuredModelWrapper smw = new StructuredModelWrapper();
try {
smw.init(getDocument());
Document xmlDocument = smw.getDocument();
if (xmlDocument == null) return null;
String[] prefixes = getLoadBundleTagPrefixes(region);
if(prefixes == null) return null;
Node n = Utils.findNodeForOffset(xmlDocument, region.getOffset());
if (!(n instanceof Attr) ) return null;
Element el = ((Attr)n).getOwnerElement();
Element jsfCoreViewTag = null;
for (String prefix : prefixes) {
String nodeToFind = prefix + PREFIX_SEPARATOR + VIEW_TAGNAME;
while (el != null) {
if (nodeToFind.equals(el.getNodeName())) {
jsfCoreViewTag = el;
break;
}
Node parent = el.getParentNode();
el = (parent instanceof Element ? (Element)parent : null);
}
}
if (jsfCoreViewTag == null || !jsfCoreViewTag.hasAttribute(LOCALE_ATTRNAME)) return null;
String locale = Utils.trimQuotes((jsfCoreViewTag.getAttributeNode(LOCALE_ATTRNAME)).getValue());
if (locale == null || locale.length() == 0) return null;
return locale;
} finally {
smw.dispose();
}
}
/*
* (non-Javadoc)
*
* @see IHyperlink#getHyperlinkText()
*/
public String getHyperlinkText() {
String baseName = getBundleBasename(getHyperlinkRegion());
if (baseName == null)
return MessageFormat.format(Messages.OpenA, Messages.Bundle);
return MessageFormat.format(Messages.OpenBundle, baseName);
}
protected String[] getLoadBundleTagPrefixes(IRegion region) {
TaglibManagerWrapper tmw = new TaglibManagerWrapper();
tmw.init(getDocument(), region.getOffset());
if(tmw.exists()) {
return new String[] { tmw.getCorePrefix() };
} else {
VpeTaglibManager taglibManager = getTaglibManager();
if(taglibManager == null) return null;
TaglibData[] data = (TaglibData[])taglibManager.getTagLibs().toArray(new TaglibData[0]);
ArrayList<String> prefixes = new ArrayList<String>();
for (int i = 0; i < data.length; i++) {
if("http://java.sun.com/jsf/core".equals(data[i].getUri())) //$NON-NLS-1$
prefixes.add(data[i].getPrefix());
}
}
return null;
}
private VpeTaglibManager getTaglibManager() {
IEditorPart editor = JSFExtensionsPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
if(editor instanceof VpeTaglibManagerProvider) {
return ((VpeTaglibManagerProvider)editor).getTaglibManager();
}
return null;
}
}