/*******************************************************************************
* Copyright (c) 2016 Red Hat.
* 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:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.linuxtools.internal.docker.ui.views;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.linuxtools.docker.core.IDockerImageHierarchyNode;
import org.eclipse.linuxtools.internal.docker.ui.views.DockerImageHierarchyView.DockerImageHiearchy;
/**
* The {@link ITreeContentProvider} implementation for the
* {@link DockerImageHierarchyView}
*/
public class DockerImageHierarchyContentProvider
implements ITreeContentProvider {
@Override
public Object[] getElements(Object inputElement) {
if (inputElement instanceof DockerImageHiearchy) {
final DockerImageHiearchy dockerImageHiearchy = (DockerImageHiearchy) inputElement;
return new Object[] { dockerImageHiearchy.getRoot() };
} else if (inputElement instanceof IDockerImageHierarchyNode) {
final IDockerImageHierarchyNode imageHiearchyNode = (IDockerImageHierarchyNode) inputElement;
if (imageHiearchyNode.getChildren() != null) {
return imageHiearchyNode.getChildren().toArray();
}
}
return null;
}
@Override
public Object[] getChildren(Object parentElement) {
return getElements(parentElement);
}
@Override
public Object getParent(Object element) {
if (element instanceof IDockerImageHierarchyNode) {
final IDockerImageHierarchyNode imageHiearchyNode = (IDockerImageHierarchyNode) element;
return imageHiearchyNode.getParent();
}
return null;
}
@Override
public boolean hasChildren(Object element) {
if (element instanceof IDockerImageHierarchyNode) {
final IDockerImageHierarchyNode imageHiearchyNode = (IDockerImageHierarchyNode) element;
return !imageHiearchyNode.getChildren().isEmpty();
}
return false;
}
}