| /* ==================================================================== |
| 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.ss.formula; |
| |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| import org.apache.poi.ss.formula.ptg.FuncVarPtg; |
| import org.apache.poi.ss.formula.ptg.Ptg; |
| import org.apache.poi.ss.usermodel.CellType; |
| |
| /** |
| * Evaluator for cells within a specific Sheet |
| */ |
| final class SheetRefEvaluator { |
| private final WorkbookEvaluator _bookEvaluator; |
| private final EvaluationTracker _tracker; |
| private final int _sheetIndex; |
| private EvaluationSheet _sheet; |
| |
| public SheetRefEvaluator(WorkbookEvaluator bookEvaluator, EvaluationTracker tracker, int sheetIndex) { |
| if (sheetIndex < 0) { |
| throw new IllegalArgumentException("Invalid sheetIndex: " + sheetIndex + "."); |
| } |
| _bookEvaluator = bookEvaluator; |
| _tracker = tracker; |
| _sheetIndex = sheetIndex; |
| } |
| |
| public String getSheetName() { |
| return _bookEvaluator.getSheetName(_sheetIndex); |
| } |
| |
| public ValueEval getEvalForCell(int rowIndex, int columnIndex) { |
| return _bookEvaluator.evaluateReference(getSheet(), _sheetIndex, rowIndex, columnIndex, _tracker); |
| } |
| |
| private EvaluationSheet getSheet() { |
| if (_sheet == null) { |
| _sheet = _bookEvaluator.getSheet(_sheetIndex); |
| } |
| return _sheet; |
| } |
| |
| /** |
| * @return whether cell at rowIndex and columnIndex is a subtotal |
| * @see org.apache.poi.ss.formula.functions.Subtotal |
| */ |
| public boolean isSubTotal(int rowIndex, int columnIndex){ |
| boolean subtotal = false; |
| EvaluationCell cell = getSheet().getCell(rowIndex, columnIndex); |
| if(cell != null && cell.getCellTypeEnum() == CellType.FORMULA){ |
| EvaluationWorkbook wb = _bookEvaluator.getWorkbook(); |
| for(Ptg ptg : wb.getFormulaTokens(cell)){ |
| if(ptg instanceof FuncVarPtg){ |
| FuncVarPtg f = (FuncVarPtg)ptg; |
| if("SUBTOTAL".equals(f.getName())) { |
| subtotal = true; |
| break; |
| } |
| } |
| } |
| } |
| return subtotal; |
| } |
| |
| } |