| /* |
| * 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.caseditor.editor.outline; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.uima.cas.CAS; |
| import org.apache.uima.cas.FSIterator; |
| import org.apache.uima.cas.Type; |
| import org.apache.uima.cas.TypeSystem; |
| import org.apache.uima.cas.text.AnnotationFS; |
| import org.apache.uima.cas.text.AnnotationIndex; |
| import org.apache.uima.caseditor.CasEditorPlugin; |
| import org.apache.uima.caseditor.editor.AnnotationEditor; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.widgets.Display; |
| |
| /** |
| * The content provider for the type grouped annotation outline. |
| * |
| * TODO: |
| * Make it sensitive to show annotations menu from the editor ... |
| * Who sends selection events which are not from the UI thread ? |
| */ |
| public class TypeGroupedContentProvider extends OutlineContentProviderBase { |
| |
| // map of AnnotationTypeTreeNode |
| private Map<String, AnnotationTypeTreeNode> nameAnnotationTypeNodeMap = |
| new HashMap<String, AnnotationTypeTreeNode>(); |
| |
| TypeGroupedContentProvider(AnnotationEditor editor, TreeViewer viewer) { |
| super(editor, viewer); |
| } |
| |
| @Override |
| protected void addedAnnotation(Collection<AnnotationFS> annotations) { |
| |
| for (AnnotationFS annotation : annotations) { |
| String name = annotation.getType().getName(); |
| |
| AnnotationTypeTreeNode typeNode = nameAnnotationTypeNodeMap |
| .get(name); |
| |
| AnnotationTreeNode annotationNode = new AnnotationTreeNode(mInputDocument, annotation); |
| typeNode.add(annotationNode); |
| |
| viewer.add(typeNode, annotationNode); |
| } |
| } |
| |
| @Override |
| protected void removedAnnotation(Collection<AnnotationFS> annotations) { |
| |
| Set<AnnotationTreeNode> removeAnnotations = new HashSet<AnnotationTreeNode>(); |
| |
| for (AnnotationFS annotation : annotations) { |
| String name = annotation.getType().getName(); |
| |
| AnnotationTypeTreeNode typeNode = nameAnnotationTypeNodeMap.get(name); |
| |
| if (typeNode != null) { |
| AnnotationTreeNode annotationNode = new AnnotationTreeNode(mInputDocument, annotation); |
| typeNode.remove(annotationNode); |
| |
| removeAnnotations.add(annotationNode); |
| } |
| else { |
| CasEditorPlugin.logError("Unmapped annotation type!"); |
| } |
| } |
| |
| viewer.remove(removeAnnotations.toArray()); |
| } |
| |
| public Object[] getElements(Object inputElement) { |
| |
| return nameAnnotationTypeNodeMap.values().toArray(); |
| } |
| |
| public Object getParent(Object element) { |
| |
| if (element instanceof AnnotationTreeNode) { |
| AnnotationTreeNode annotation = (AnnotationTreeNode) element; |
| |
| Type type = annotation.getAnnotation().getType(); |
| |
| if (type != null) { |
| return nameAnnotationTypeNodeMap.get(type.getName()); |
| } |
| else { |
| // Can happen when a changed request was triggered after |
| // a CAS.reset(), in this case it is not possible to find a |
| // parent for the element and null should be returned. |
| return null; |
| } |
| } |
| else if (element instanceof AnnotationTypeTreeNode) { |
| // The head type elements to not have a parent |
| return null; |
| } |
| else { |
| CasEditorPlugin.logError("TypeGroupedContentProvider: Unexpected type " + element.getClass().getName()); |
| return null; |
| } |
| } |
| |
| public boolean hasChildren(Object element) { |
| if (element instanceof AnnotationTypeTreeNode) { |
| AnnotationTypeTreeNode treeNode = (AnnotationTypeTreeNode) element; |
| |
| return treeNode.getAnnotations().length > 0; |
| } else { |
| return false; |
| } |
| } |
| |
| public Object[] getChildren(Object parentElement) { |
| |
| AnnotationTypeTreeNode typeNode = (AnnotationTypeTreeNode) parentElement; |
| |
| return typeNode.getAnnotations(); |
| } |
| |
| |
| public void changed() { |
| nameAnnotationTypeNodeMap.clear(); |
| |
| TypeSystem typeSystem = mInputDocument.getCAS().getTypeSystem(); |
| |
| List<Type> types = typeSystem.getProperlySubsumedTypes( |
| typeSystem.getType(CAS.TYPE_NAME_ANNOTATION)); |
| |
| types.add(typeSystem.getType(CAS.TYPE_NAME_ANNOTATION)); |
| |
| for (Type type : types) { |
| |
| AnnotationTypeTreeNode typeNode = new AnnotationTypeTreeNode(type); |
| |
| nameAnnotationTypeNodeMap.put(type.getName(), typeNode); |
| |
| CAS cas = mInputDocument.getCAS(); |
| |
| AnnotationIndex<AnnotationFS> index = cas.getAnnotationIndex(type); |
| |
| for (FSIterator<AnnotationFS> it = index.iterator(); it.hasNext(); ) { |
| AnnotationFS annotation = it.next(); |
| |
| if (annotation.getType().equals(type)) { |
| typeNode.add(new AnnotationTreeNode(mInputDocument, annotation)); |
| } |
| } |
| } |
| |
| Display.getDefault().syncExec(new Runnable() { |
| public void run() { |
| viewer.refresh(); |
| } |
| }); |
| } |
| } |