/*******************************************************************************
* Copyright (c) 2010 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.cdi.text.ext.hyperlink;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.ITypeRoot;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.ui.javaeditor.EditorUtility;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;
import org.eclipse.jdt.internal.ui.text.JavaWordFinder;
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 org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.texteditor.ITextEditor;
import org.jboss.tools.cdi.core.CDICoreNature;
import org.jboss.tools.cdi.core.CDIUtil;
import org.jboss.tools.cdi.core.IBean;
import org.jboss.tools.cdi.core.ICDIProject;
import org.jboss.tools.cdi.core.IInjectionPoint;
import org.jboss.tools.cdi.text.ext.CDIExtensionsPlugin;
public class InjectedPointHyperlinkDetector extends AbstractHyperlinkDetector{
private IRegion region;
protected IDocument document;
protected ITextViewer viewer;
protected IFile file;
public IHyperlink[] detectHyperlinks(ITextViewer textViewer,
IRegion region, boolean canShowMultipleHyperlinks) {
this.region = region;
this.viewer = textViewer;
ITextEditor textEditor= (ITextEditor)getAdapter(ITextEditor.class);
if (region == null || !(textEditor instanceof JavaEditor))
return null;
if(textEditor.getEditorInput() instanceof IFileEditorInput){
file = ((IFileEditorInput)textEditor.getEditorInput()).getFile();
}
int offset= region.getOffset();
ITypeRoot input= EditorUtility.getEditorInputJavaElement(textEditor, true);
if (input == null)
return null;
document= textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput());
IRegion wordRegion= JavaWordFinder.findWord(document, offset);
if (wordRegion == null)
return null;
IProject project = null;
project = input.getJavaProject().getProject();
if(project == null)
return null;
CDICoreNature cdiNature = CDIUtil.getCDINatureWithProgress(project);
if(cdiNature == null)
return null;
IJavaElement[] elements = null;
try {
elements = input.codeSelect(wordRegion.getOffset(), wordRegion.getLength());
if (elements == null)
return null;
if(elements.length != 1)
return null;
ArrayList<IHyperlink> hyperlinks = new ArrayList<IHyperlink>();
int position = 0;
if(elements[0] instanceof IType){
elements[0] = input.getElementAt(wordRegion.getOffset());
if(elements[0] == null)
return null;
if(elements[0] instanceof IMethod){
position = offset;
}
}
findInjectedBeans(cdiNature, elements[0], position, input.getPath(), hyperlinks, textEditor.isDirty());
if (hyperlinks != null && !hyperlinks.isEmpty()) {
return (IHyperlink[])hyperlinks.toArray(new IHyperlink[hyperlinks.size()]);
}
} catch (JavaModelException jme) {
CDIExtensionsPlugin.getDefault().logError(jme);
}
return null;
}
protected void findInjectedBeans(CDICoreNature nature, IJavaElement element, int offset, IPath path, ArrayList<IHyperlink> hyperlinks, boolean dirty){
ICDIProject cdiProject = CDIUtil.getCDIProject(file, nature, dirty);
if(cdiProject == null){
return;
}
Collection<IBean> beans = cdiProject.getBeans(path);
IInjectionPoint injectionPoint = CDIUtil.findInjectionPoint(beans, element, offset);
if(injectionPoint == null){
return;
}
List<IBean> resultBeans = CDIUtil.getSortedBeans(cdiProject, true, injectionPoint);
Collection<IBean> assignableBeans = cdiProject.getBeans(false, injectionPoint);
if(assignableBeans.size() > 0){
if(resultBeans.size() > 0){
hyperlinks.add(new InjectedPointHyperlink(region, resultBeans.get(0), document, true));
}
if(assignableBeans.size() > 1) {
// hyperlinks.add(new AlternativeInjectedPointListHyperlink(region, alternativeBeans, viewer, document));
hyperlinks.add(new AssignableBeansHyperlink(region, injectionPoint, document));
}
}
}
}