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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.poi.xslf.model.geom;
-
- import java.awt.geom.Rectangle2D;
- import java.util.HashMap;
- import java.util.Map;
-
- /**
- * Date: 10/24/11
- *
- * @author Yegor Kozlov
- */
- public class Context {
- final Map<String, Double> _ctx = new HashMap<String, Double>();
- final IAdjustableShape _props;
- final Rectangle2D _anchor;
-
- public Context(CustomGeometry geom, Rectangle2D anchor, IAdjustableShape props){
- _props = props;
- _anchor = anchor;
- for(Guide gd : geom.adjusts) evaluate(gd);
- for(Guide gd : geom.guides) evaluate(gd);
- }
-
- public Rectangle2D getShapeAnchor(){
- return _anchor;
- }
-
- public Guide getAdjustValue(String name){
- return _props.getAdjustValue(name);
- }
-
- public double getValue(String key){
- if(key.matches("(\\+|-)?\\d+")){
- return Double.parseDouble(key);
- }
-
- Formula builtIn = Formula.builtInFormulas.get(key);
- if(builtIn != null){
- return builtIn.evaluate(this);
- }
-
- if(!_ctx.containsKey(key)) {
- throw new RuntimeException("undefined variable: " + key);
- }
-
- return _ctx.get(key);
- }
-
- public double evaluate(Formula fmla){
- double result = fmla.evaluate(this);
- String key = fmla.getName();
- if(key != null) _ctx.put(key, result);
- return result;
- }
- }
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