| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.ivyde.eclipse.resolvevisualizer; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.ivyde.eclipse.resolvevisualizer.model.IIvyNodeElementFilter; |
| import org.apache.ivyde.eclipse.resolvevisualizer.model.IvyNodeElement; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.zest.core.viewers.IGraphEntityContentProvider; |
| |
| public class ResolveVisualizerContentProvider implements IGraphEntityContentProvider { |
| Collection/* <IIvyNodeElementFilter> */filters = new HashSet/* <IIvyNodeElementFilter> */(); |
| |
| // Returns all entities that should be linked with the given entity |
| public Object[] getConnectedTo(Object entity) { |
| return filter(((IvyNodeElement) entity).getDependencies()); |
| } |
| |
| public Object[] getElements(Object inputElement) { |
| if (inputElement == null) { |
| return new Object[] {}; |
| } else { |
| IvyNodeElement inputNode = (IvyNodeElement) inputElement; |
| List elements = Arrays.asList(filter(inputNode.getDeepDependencies())); |
| Collections.sort(elements, new IvyNodeElementComparator()); |
| return elements.toArray(); |
| } |
| } |
| |
| public IvyNodeElement[] filter(IvyNodeElement[] deepDependencies) { |
| IvyNodeElement[] filtered = deepDependencies; |
| for (Iterator iter = filters.iterator(); iter.hasNext();) { |
| IIvyNodeElementFilter filter = (IIvyNodeElementFilter) iter.next(); |
| filtered = filter.filter(filtered); // I love this line |
| } |
| |
| return filtered; |
| } |
| |
| public void addFilter(IIvyNodeElementFilter filter) { |
| filters.add(filter); |
| } |
| |
| public void dispose() { |
| // nothing to dispose |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| private class IvyNodeElementComparator implements Comparator { |
| public int compare(Object arg1, Object arg2) { |
| IvyNodeElement element1 = (IvyNodeElement) arg1; |
| IvyNodeElement element2 = (IvyNodeElement) arg2; |
| |
| if (element1.getDepth() > element2.getDepth()) |
| return -1; |
| else if (element1.getDepth() < element2.getDepth()) |
| return 1; |
| |
| return element1.getModuleRevisionId().toString().compareTo(element2.getModuleRevisionId().toString()); |
| } |
| } |
| } |