/* | |
* 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; | |
import java.util.List; | |
import org.apache.uima.cas.text.AnnotationFS; | |
import org.eclipse.jface.text.IRegion; | |
import org.eclipse.jface.text.ITextViewer; | |
import org.eclipse.jface.text.Region; | |
import org.eclipse.jface.text.information.IInformationProvider; | |
import org.eclipse.jface.text.information.IInformationProviderExtension; | |
import org.eclipse.swt.graphics.Point; | |
/** | |
* TODO: move this class to external file. | |
*/ | |
class AnnotationInformationProvider implements IInformationProvider, IInformationProviderExtension { | |
private AnnotationEditor mEditor; | |
AnnotationInformationProvider(AnnotationEditor editor) { | |
mEditor = editor; | |
} | |
/** | |
* TODO: add comment | |
* | |
* @param textViewer | |
* @param offset | |
* @return the region | |
*/ | |
public IRegion getSubject(ITextViewer textViewer, int offset) { | |
Point selection = textViewer.getTextWidget().getSelection(); | |
int length = selection.y - selection.x; | |
return new Region(offset, length); | |
} | |
/** | |
* TODO: add comment | |
* | |
* @param textViewer | |
* @param subject | |
* @return null | |
*/ | |
public String getInformation(ITextViewer textViewer, IRegion subject) { | |
return null; | |
} | |
/** | |
* TODO: add comment | |
* | |
* @param textViewer | |
* @param subject | |
* @return the selected annotation | |
*/ | |
public Object getInformation2(ITextViewer textViewer, IRegion subject) { | |
List<AnnotationFS> selection = mEditor.getSelectedAnnotations(); | |
if (selection != null && selection.size() > 0) { | |
return selection.get(0); | |
} else { | |
return null; | |
} | |
} | |
} |