75 lines
2.3 KiB
Java
75 lines
2.3 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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*/
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package org.apache.poi.xslf.model.geom;
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import java.awt.geom.Rectangle2D;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Date: 10/24/11
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*
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* @author Yegor Kozlov
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*/
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public class Context {
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final Map<String, Double> _ctx = new HashMap<String, Double>();
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final IAdjustableShape _props;
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final Rectangle2D _anchor;
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public Context(CustomGeometry geom, Rectangle2D anchor, IAdjustableShape props){
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_props = props;
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_anchor = anchor;
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for(Guide gd : geom.adjusts) evaluate(gd);
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for(Guide gd : geom.guides) evaluate(gd);
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}
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public Rectangle2D getShapeAnchor(){
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return _anchor;
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}
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public Guide getAdjustValue(String name){
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return _props.getAdjustValue(name);
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}
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public double getValue(String key){
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if(key.matches("(\\+|-)?\\d+")){
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return Double.parseDouble(key);
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}
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Formula builtIn = Formula.builtInFormulas.get(key);
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if(builtIn != null){
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return builtIn.evaluate(this);
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}
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if(!_ctx.containsKey(key)) {
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throw new RuntimeException("undefined variable: " + key);
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}
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return _ctx.get(key);
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}
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public double evaluate(Formula fmla){
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double result = fmla.evaluate(this);
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String key = fmla.getName();
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if(key != null) _ctx.put(key, result);
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return result;
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}
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}
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