| /* |
| * 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.caseditor.view.tree; |
| |
| import java.util.Collection; |
| |
| import org.apache.uima.cas.text.AnnotationFS; |
| import org.apache.uima.caseditor.editor.AbstractAnnotationDocumentListener; |
| import org.apache.uima.caseditor.editor.AnnotationEditor; |
| import org.apache.uima.caseditor.editor.ICasDocument; |
| import org.apache.uima.caseditor.editor.ICasEditorInputListener; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IEditorInput; |
| |
| public class AnnotationTreeContentProvider extends AbstractAnnotationDocumentListener implements |
| ITreeContentProvider, ICasEditorInputListener { |
| |
| private ICasDocument document; |
| |
| private final AnnotationTreeViewPage page; |
| |
| private AnnotationEditor editor; |
| |
| public AnnotationTreeContentProvider(AnnotationEditor editor, AnnotationTreeViewPage page) { |
| super(); |
| this.editor = editor; |
| this.document = editor.getDocument(); |
| this.page = page; |
| editor.addCasEditorInputListener(this); |
| } |
| |
| public void dispose() { |
| document.removeChangeListener(this); |
| editor.removeCasEditorInputListener(this); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang. Object) |
| */ |
| public Object[] getChildren(Object element) { |
| if (element instanceof ITreeNode) |
| return ((ITreeNode) element).getChildren(); |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object ) |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof ITreeNode) |
| return ((ITreeNode) element).getParent(); |
| |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang. Object) |
| */ |
| public boolean hasChildren(Object element) { |
| return (element instanceof ITreeNode) && ((ITreeNode) element).hasChildren(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java .lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| if (inputElement instanceof IRootTreeNode) |
| return ((IRootTreeNode) inputElement).getChildren(); |
| |
| return null; |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| // changed(); |
| } |
| |
| @Override |
| public void changed() { |
| Display.getDefault().syncExec(new Runnable() { |
| public void run() { |
| page.reloadTree(); |
| } |
| }); |
| } |
| |
| @Override |
| public void viewChanged(String oldViewName, String newViewName) { |
| changed(); |
| } |
| |
| @Override |
| protected void addedAnnotation(Collection<AnnotationFS> annotations) { |
| changed(); |
| } |
| |
| @Override |
| protected void removedAnnotation(Collection<AnnotationFS> annotations) { |
| changed(); |
| } |
| |
| @Override |
| protected void updatedAnnotation(Collection<AnnotationFS> annotations) { |
| changed(); |
| } |
| |
| |
| public void casDocumentChanged(IEditorInput oldInput, ICasDocument oldDocument, |
| IEditorInput newInput, ICasDocument newDocument) { |
| // document.removeChangeListener(this); |
| // document = newDocument; |
| // document.addChangeListener(this); |
| // changed(); |
| } |
| |
| } |