/*******************************************************************************
* Copyright (c) 2007 Spring IDE Developers
* All rights reserved. This program and the accompanying materials
* are 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:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.beans.ui.workingsets;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.ui.IWorkingSet;
import org.springframework.ide.eclipse.beans.core.BeansCorePlugin;
import org.springframework.ide.eclipse.beans.core.BeansCoreUtils;
import org.springframework.ide.eclipse.beans.core.internal.model.BeansModelUtils;
import org.springframework.ide.eclipse.beans.core.model.IBeansConfig;
import org.springframework.ide.eclipse.beans.core.model.IBeansConfigSet;
import org.springframework.ide.eclipse.beans.core.model.IBeansModelElement;
import org.springframework.ide.eclipse.beans.core.model.IBeansProject;
import org.springframework.ide.eclipse.core.model.IModelElement;
import org.springframework.ide.eclipse.core.model.ISpringProject;
import org.springframework.ide.eclipse.ui.workingsets.IWorkingSetFilter;
/**
* {@link IWorkingSetFilter} that filters those {@link IModelElement}s that are
* not in a given list of elements derived form a {@link IWorkingSet}.t
* @author Christian Dupuis
* @since 2.0
*/
public class BeansWorkingSetViewerFilter implements IWorkingSetFilter {
public boolean isInWorkingSet(IAdaptable[] elements, Object parentElement,
Object element) {
if (element instanceof ISpringProject) {
IProject project = ((ISpringProject) element).getProject();
if (checkProject(elements, project)) {
return true;
}
}
else if (element instanceof IBeansProject) {
IProject project = ((IBeansProject) element).getProject();
if (checkProject(elements, project)) {
return true;
}
}
// check if the TreePath contains a IBeansProject
else if (parentElement instanceof TreePath) {
IProject project = getProjectFromTreePath((TreePath) parentElement);
if (checkProject(elements, project)) {
for (IAdaptable adaptable : elements) {
if (element.equals(adaptable)) {
return true;
}
else if (adaptable instanceof IFile) {
IBeansConfig bc = BeansCorePlugin.getModel().getConfig(
(IFile) adaptable);
if (element.equals(bc)) {
return true;
}
}
else if (adaptable instanceof IBeansConfigSet) {
if (adaptable.equals(element)) {
return true;
}
}
if (element instanceof IBeansModelElement
&& !(element instanceof IBeansConfigSet)) {
return true;
}
}
}
}
return false;
}
private boolean checkProject(IAdaptable[] elements, IProject project) {
if (project == null) {
return false;
}
for (IAdaptable adaptable : elements) {
IResource resource = (IResource) adaptable
.getAdapter(IResource.class);
if (resource != null && BeansCoreUtils.isBeansConfig(resource)) {
if (project.equals(resource.getProject())) {
return true;
}
}
else if (adaptable instanceof IBeansConfigSet) {
IBeansProject bp = BeansModelUtils
.getProject((IBeansConfigSet) adaptable);
if (project.equals(bp.getProject())) {
return true;
}
}
}
return false;
}
private IProject getProjectFromTreePath(TreePath treePath) {
for (int i = 0; i < treePath.getSegmentCount(); i++) {
if (treePath.getSegment(i) instanceof IBeansProject) {
return ((IBeansProject) treePath.getSegment(i)).getProject();
}
}
return null;
}
}