/*******************************************************************************
* Copyright (c) 2007 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.seam.ui.views;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
import org.jboss.tools.seam.core.ISeamComponent;
import org.jboss.tools.seam.core.ISeamComponentDeclaration;
import org.jboss.tools.seam.core.ISeamPackage;
/**
*
* @author Viacheslav Kabanovich
*
*/
public class SeamReferencedFilter extends ViewerFilter {
@Override
public boolean select(Viewer viewer, Object parentElement, Object element) {
if(element instanceof ISeamComponent) {
ISeamComponent component = (ISeamComponent)element;
return isComponentDeclaredInThisProject(component);
} else if(element instanceof ISeamPackage) {
ISeamPackage pkg = (ISeamPackage)element;
return isPackageDeclaredInThisProject(pkg);
}
return true;
}
public static boolean isComponentDeclaredInThisProject(ISeamComponent component) {
Set<ISeamComponentDeclaration> ds = component.getAllDeclarations();
for (ISeamComponentDeclaration d : ds) {
IResource r = d.getResource();
if(r == null || !r.exists()) {
//do not filter out the component if we cannot be sure that
//its source is another project
return true;
}
if(r != null && r.getProject() == d.getSeamProject().getProject()) {
return true;
}
}
return false;
}
boolean isPackageDeclaredInThisProject(ISeamPackage pkg) {
Set<ISeamComponent> cs = pkg.getComponents();
for (ISeamComponent c : pkg.getComponents()) {
if(isComponentDeclaredInThisProject(c)) return true;
}
Map<String,ISeamPackage> ps = pkg.getPackages();
for (ISeamPackage p : ps.values()) {
if(isPackageDeclaredInThisProject(p)) {
return true;
}
}
return false;
}
}