/*
* 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.uima.ruta.explain.apply;
import java.util.ArrayList;
import java.util.List;
import org.apache.uima.ruta.explain.tree.ExplainRootNode;
import org.apache.uima.ruta.explain.tree.IExplainTreeNode;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
public class ApplyTreeContentProvider implements ITreeContentProvider {
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof IExplainTreeNode) {
List<Object> result = new ArrayList<Object>();
IExplainTreeNode debugNode = (IExplainTreeNode) parentElement;
for (IExplainTreeNode each : debugNode.getChildren()) {
if (!(each instanceof ExplainRootNode)) {
result.add(each);
}
}
return result.toArray();
}
return null;
}
public Object getParent(Object element) {
if (element instanceof IExplainTreeNode) {
return ((IExplainTreeNode) element).getParent();
}
return null;
}
public Object[] getElements(Object parentElement) {
return getChildren(parentElement);
}
public boolean hasChildren(Object parentElement) {
if (parentElement instanceof IExplainTreeNode) {
IExplainTreeNode debugNode = (IExplainTreeNode) parentElement;
for (Object each : debugNode.getChildren()) {
if (!(each instanceof ExplainRootNode)) {
return true;
}
}
}
return false;
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}