/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and 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:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.jsf.model.helpers.converter;
import org.eclipse.core.resources.IProject;
import org.eclipse.osgi.util.NLS;
import org.jboss.tools.common.model.*;
import org.jboss.tools.common.model.util.EclipseResourceUtil;
import org.jboss.tools.common.model.util.FindObjectHelper;
import org.jboss.tools.jsf.messages.JSFUIMessages;
import org.jboss.tools.jsf.model.pv.*;
import org.jboss.tools.jst.web.kb.IKbProject;
import org.jboss.tools.jst.web.kb.KbProjectFactory;
import org.jboss.tools.jst.web.kb.internal.KbObject;
import org.jboss.tools.jst.web.kb.taglib.ITagLibrary;
import org.jboss.tools.jst.web.model.pv.*;
public class OpenTagLib {
public String run(XModel model, String uri, String tag, String attribute) {
if(model == null || uri == null) return null;
if(uri.length() == 0) return JSFUIMessages.URI_ISNOT_SPECIFIED;
XModelObject t = findTagLib(model, uri, tag, attribute);
if(t == null) return NLS.bind(JSFUIMessages.CANNOT_FIND_TAG_LIBRARY, uri);
FindObjectHelper.findModelObject(t, FindObjectHelper.IN_EDITOR_ONLY);
if(tag != null) {
if(tag.length() == 0) return JSFUIMessages.TAG_ISNOT_SPECIFIED;
t = findTag(t, tag);
if(t == null) return NLS.bind(JSFUIMessages.CANNOT_FIND_TAG_IN_LIBRARY, tag, uri);
FindObjectHelper.findModelObject(t, FindObjectHelper.IN_EDITOR_ONLY);
}
if(attribute != null) {
if(attribute.length() == 0) return JSFUIMessages.ATTRIBUTE_ISNOT_SPECIFIED;
t = findAttribute(t, attribute);
if(t == null) return NLS.bind(JSFUIMessages.CANNOT_FIND_ATTRIBUTE_IN_TAG, attribute, tag);
FindObjectHelper.findModelObject(t, FindObjectHelper.IN_EDITOR_ONLY);
}
return null;
}
private XModelObject findTagLib(XModel model, String uri, String tag, String attribute) {
XModelObject some = null;
JSFProjectsRoot root = JSFProjectsTree.getProjectsRoot(model);
if(root == null) return null;
WebProjectNode n = (WebProjectNode)root.getChildByPath("Tag Libraries");
if(n == null) return null;
XModelObject[] os = n.getTreeChildren();
for (int i = 0; i < os.length; i++) {
if(uri.equals(os[i].getAttributeValue("uri"))) {
if(isOk(os[i], tag, attribute)) {
return os[i];
} else {
some = os[i];
}
}
}
IProject project = EclipseResourceUtil.getProject(root);
if(project != null) {
IKbProject kb = KbProjectFactory.getKbProject(project, true);
if(kb != null) {
ITagLibrary[] ls = kb.getTagLibraries(uri);
for (int i = 0; i < ls.length; i++) {
Object id = ((KbObject)ls[i]).getId();
if(id instanceof XModelObject) {
XModelObject lib = (XModelObject)id;
if(isOk(lib, tag, attribute)) {
return lib;
}
}
}
}
}
return some;
}
private boolean isOk(XModelObject lib, String tag, String attribute) {
if(tag != null) {
XModelObject t = findTag(lib, tag);
if(t == null) return false;
if(t != null && attribute != null) {
XModelObject a = findAttribute(t, attribute);
if(a == null) return false;
}
}
return true;
}
private XModelObject findTag(XModelObject taglib, String name) {
return taglib.getChildByPath(name);
}
private XModelObject findAttribute(XModelObject tag, String name) {
return tag.getChildByPath(name);
}
}