| /* |
| * Copyright (c) 2014, 2015 Eike Stepper (Loehne, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.oomph.p2.internal.ui; |
| |
| import org.eclipse.oomph.p2.core.Agent; |
| import org.eclipse.oomph.p2.core.AgentManager; |
| import org.eclipse.oomph.p2.core.BundlePool; |
| import org.eclipse.oomph.p2.core.Profile; |
| |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class P2ContentProvider implements ITreeContentProvider |
| { |
| protected static final Object[] NO_CHILDREN = new Object[0]; |
| |
| private boolean showProfiles; |
| |
| public P2ContentProvider() |
| { |
| } |
| |
| public boolean isShowProfiles() |
| { |
| return showProfiles; |
| } |
| |
| public void setShowProfiles(boolean showProfiles) |
| { |
| this.showProfiles = showProfiles; |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) |
| { |
| } |
| |
| public void dispose() |
| { |
| } |
| |
| public Object[] getElements(Object element) |
| { |
| return getChildren(element); |
| } |
| |
| public Object getParent(Object element) |
| { |
| if (element instanceof Profile) |
| { |
| Profile profile = (Profile)element; |
| return profile.getBundlePool(); |
| } |
| |
| if (element instanceof BundlePool) |
| { |
| BundlePool bundlePool = (BundlePool)element; |
| return bundlePool.getAgent(); |
| } |
| |
| if (element instanceof Agent) |
| { |
| Agent agent = (Agent)element; |
| return agent.getAgentManager(); |
| } |
| |
| return null; |
| } |
| |
| public boolean hasChildren(Object element) |
| { |
| return getChildren(element).length != 0; |
| } |
| |
| public Object[] getChildren(Object element) |
| { |
| List<Object> children = new ArrayList<Object>(); |
| |
| if (element instanceof AgentManager) |
| { |
| AgentManager agentManager = (AgentManager)element; |
| addChildrenOfAgentManager(agentManager, children); |
| } |
| |
| if (element instanceof Agent) |
| { |
| Agent agent = (Agent)element; |
| addChildrenOfAgent(agent, children); |
| } |
| |
| if (element instanceof BundlePool) |
| { |
| BundlePool bundlePool = (BundlePool)element; |
| addChildrenOfBundlePool(bundlePool, children); |
| } |
| |
| return children.toArray(); |
| } |
| |
| protected void addChildrenOfAgentManager(AgentManager agentManager, List<Object> children) |
| { |
| children.addAll(agentManager.getAgents()); |
| } |
| |
| protected void addChildrenOfAgent(Agent agent, List<Object> children) |
| { |
| children.addAll(agent.getBundlePools()); |
| |
| if (showProfiles) |
| { |
| children.addAll(agent.getProfiles()); |
| } |
| } |
| |
| protected void addChildrenOfBundlePool(BundlePool bundlePool, List<Object> children) |
| { |
| if (showProfiles) |
| { |
| children.addAll(bundlePool.getProfiles()); |
| } |
| } |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public static class AllBundlePools extends P2ContentProvider |
| { |
| @Override |
| protected void addChildrenOfAgentManager(AgentManager agentManager, List<Object> children) |
| { |
| children.addAll(agentManager.getBundlePools()); |
| } |
| } |
| } |