/*
* 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.annotation;
import java.util.HashMap;
import java.util.Map;
import org.apache.uima.caseditor.editor.AnnotationStyle;
import org.apache.uima.caseditor.editor.AnnotationStyle.Style;
import org.eclipse.jface.text.source.AnnotationPainter.IDrawingStrategy;
/**
* A factory for drawing styles.
*
* @see AnnotationStyle.Style
*/
public class DrawingStyle {
private static Map<AnnotationStyle.Style, IDrawingStrategy> statelessStyles =
new HashMap<AnnotationStyle.Style, IDrawingStrategy>();
static {
statelessStyles.put(Style.BACKGROUND, new BackgroundDrawingStrategy());
statelessStyles.put(Style.TEXT_COLOR, new TextColorDrawingStrategy());
statelessStyles.put(Style.TOKEN, new TokenDrawingStrategy());
// deprecated since 3.4, but minimum version is 3.3
statelessStyles.put(Style.SQUIGGLES,
new org.eclipse.jface.text.source.AnnotationPainter.SquigglesStrategy());
statelessStyles.put(Style.BOX, new BoxDrawingStrategy());
statelessStyles.put(Style.UNDERLINE, new UnderlineDrawingStrategy());
statelessStyles.put(Style.BRACKET, new BracketDrawingStrategy());
}
private DrawingStyle() {
}
/**
* Retrieves the {@link IDrawingStrategy}.
*
* @return the {@link IDrawingStrategy} or null if does not exist.
*/
public static IDrawingStrategy createStrategy(AnnotationStyle style) {
IDrawingStrategy strategy = statelessStyles.get(style.getStyle());
if (strategy == null && Style.TAG.equals(style.getStyle()) && style.getConfiguration() != null) {
strategy = new TagDrawingStrategy(style.getConfiguration());
}
return strategy;
}
}