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/*******************************************************************************
* Copyright (c) 2008-2010 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
*
* Contributors:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.core.ui.internal.views;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.ui.IViewSite;
import org.eclipse.m2e.core.ui.internal.views.nodes.CustomRepositoriesNode;
import org.eclipse.m2e.core.ui.internal.views.nodes.GlobalRepositoriesNode;
import org.eclipse.m2e.core.ui.internal.views.nodes.IMavenRepositoryNode;
import org.eclipse.m2e.core.ui.internal.views.nodes.LocalRepositoryRootNode;
import org.eclipse.m2e.core.ui.internal.views.nodes.ProjectRepositoriesNode;
/**
* RepositoryViewContentProvider
*
* @author dyocum
*/
public class RepositoryViewContentProvider implements IStructuredContentProvider, ITreeContentProvider {
private LocalRepositoryRootNode localNode;
private GlobalRepositoriesNode globalNode;
private ProjectRepositoriesNode projectNode;
private CustomRepositoriesNode customNode;
public RepositoryViewContentProvider() {
}
public void inputChanged(Viewer v, Object oldInput, Object newInput) {
}
public void dispose() {
}
public Object[] getElements(Object parent) {
return getChildren(parent);
}
public Object getParent(Object child) {
return null;
}
public boolean hasChildren(Object parent) {
if(parent instanceof IMavenRepositoryNode) {
return ((IMavenRepositoryNode) parent).hasChildren();
}
return false;
}
public Object[] getRootNodes() {
if(localNode == null) {
localNode = new LocalRepositoryRootNode();
}
if(globalNode == null) {
globalNode = new GlobalRepositoriesNode();
}
if(projectNode == null) {
projectNode = new ProjectRepositoriesNode();
}
if(customNode == null) {
customNode = new CustomRepositoriesNode();
}
return new Object[] {localNode, globalNode, projectNode, customNode};
}
public Object[] getChildren(Object parent) {
if(parent instanceof IViewSite) {
return getRootNodes();
} else if(parent instanceof IMavenRepositoryNode) {
return ((IMavenRepositoryNode) parent).getChildren();
}
return new Object[0];
}
}
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