org.apache.opennlp.caseditor.ConfirmAnnotationAction.java Source code

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Here is the source code for org.apache.opennlp.caseditor.ConfirmAnnotationAction.java

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/*
 * 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.opennlp.caseditor;

import org.apache.uima.cas.FeatureStructure;
import org.apache.uima.caseditor.editor.ICasEditor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.ui.actions.BaseSelectionListenerAction;

public class ConfirmAnnotationAction extends BaseSelectionListenerAction {

    private TableViewer entityList;

    private ICasEditor editor;

    public ConfirmAnnotationAction(TableViewer entityList, ICasEditor editor) {
        super("Confirm");

        if (entityList == null || editor == null)
            throw new IllegalArgumentException("null values are not allowed!");

        this.entityList = entityList;
        this.editor = editor;
    }

    @Override
    protected boolean updateSelection(IStructuredSelection selection) {
        return !selection.isEmpty();
    }

    // Note: Action can only handle one element.
    //       Must be extended to handle "bulk" confirms
    @Override
    public void run() {
        super.run();

        // get selected entities and add annotations to the CAS
        IStructuredSelection selection = (IStructuredSelection) entityList.getSelection();

        Object elements[] = selection.toArray();

        if (elements.length > 0) {
            PotentialAnnotation selectedEntity = (PotentialAnnotation) elements[0];

            FeatureStructure nameAnnotation = editor.getDocument().getCAS().createAnnotation(
                    editor.getDocument().getCAS().getTypeSystem().getType(selectedEntity.getType()),
                    selectedEntity.getBeginIndex(), selectedEntity.getEndIndex());
            editor.getDocument().addFeatureStructure(nameAnnotation);
        }
    }
}