/*******************************************************************************
* Copyright (c) 2008 Sonatype, Inc.
* 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
*******************************************************************************/
package org.eclipse.m2e.wtp.internal;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.m2e.core.internal.IMavenConstants;
import org.eclipse.m2e.wtp.WTPProjectsUtil;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.model.BaseWorkbenchContentProvider;
import org.eclipse.ui.navigator.ICommonContentExtensionSite;
import org.eclipse.ui.navigator.IPipelinedTreeContentProvider;
import org.eclipse.ui.navigator.PipelinedShapeModification;
import org.eclipse.ui.navigator.PipelinedViewerUpdate;
import org.eclipse.wst.common.project.facet.core.IFacetedProject;
import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* WTP resources content provider
*
* @author Eugene Kuleshov
*/
public class WTPResourcesContentProvider extends BaseWorkbenchContentProvider implements IPipelinedTreeContentProvider {
private static final Logger LOG = LoggerFactory.getLogger(WTPResourcesContentProvider.class);
@Override
public void init(ICommonContentExtensionSite config) {
}
@Override
public void restoreState(IMemento memento) {
}
@Override
public void saveState(IMemento memento) {
}
@Override
public Object[] getChildren(Object element) {
if(element instanceof WTPResourcesNode) {
return ((WTPResourcesNode) element).getResources();
}
return super.getChildren(element);
}
// IPipelinedTreeContentProvider
@Override
@SuppressWarnings("rawtypes")
public void getPipelinedElements(Object element, Set currentElements) {
}
@Override
@SuppressWarnings({"unchecked", "rawtypes"})
public void getPipelinedChildren(Object parent, Set currentChildren) {
if (parent instanceof IProject) {
IProject project = (IProject) parent;
if(project.isAccessible()) {
try {
if (!project.hasNature(IMavenConstants.NATURE_ID)) {
return;
}
IFacetedProject facetedProject = ProjectFacetsManager.create(project);//MNGECLIPSE-1992 there's no reason to actually create a ProjectFacet at this point
if(facetedProject != null &&
(facetedProject.hasProjectFacet(WTPProjectsUtil.DYNAMIC_WEB_FACET) ||
facetedProject.hasProjectFacet(WTPProjectsUtil.EAR_FACET))) {
List newChildren = new ArrayList<Object>(currentChildren.size()+1);
newChildren.add(new WTPResourcesNode(project));
newChildren.addAll(currentChildren);
currentChildren.clear();
currentChildren.addAll(newChildren);
}
} catch(CoreException ex) {
LOG.error(Messages.WTPResourcesContentProvider_Error_Getting_Pipelined_Children, ex);
}
}
}
}
@Override
public Object getPipelinedParent(Object element, Object suggestedParent) {
return suggestedParent;
}
@Override
public boolean interceptRefresh(PipelinedViewerUpdate refreshSynchronization) {
return false;
}
@Override
public boolean interceptUpdate(PipelinedViewerUpdate updateSynchronization) {
return false;
}
@Override
public PipelinedShapeModification interceptAdd(PipelinedShapeModification addModification) {
return addModification;
}
@Override
public PipelinedShapeModification interceptRemove(PipelinedShapeModification removeModification) {
return removeModification;
}
}