import java.lang.reflect.Constructor;
import java.util.HashMap;
+import java.util.Iterator;
import java.util.Map;
import java.util.Stack;
}
return cell;
}
+
+ /**
+ * Loops over all cells in all sheets of the supplied
+ * workbook.
+ * For cells that contain formulas, their formulas are
+ * evaluated, and the results are saved. These cells
+ * remain as formula cells.
+ * For cells that do not contain formulas, no changes
+ * are made.
+ * This is a helpful wrapper around looping over all
+ * cells, and calling evaluateFormulaCell on each one.
+ */
+ public static void evaluateAllFormulaCells(HSSFWorkbook wb) {
+ for(int i=0; i<wb.getNumberOfSheets(); i++) {
+ HSSFSheet sheet = wb.getSheetAt(i);
+ HSSFFormulaEvaluator evaluator = new HSSFFormulaEvaluator(sheet, wb);
+
+ for (Iterator rit = sheet.rowIterator(); rit.hasNext();) {
+ HSSFRow r = (HSSFRow)rit.next();
+ evaluator.setCurrentRow(r);
+
+ for (Iterator cit = r.cellIterator(); cit.hasNext();) {
+ HSSFCell c = (HSSFCell)cit.next();
+ if (c.getCellType() == HSSFCell.CELL_TYPE_FORMULA)
+ evaluator.evaluateFormulaCell(c);
+ }
+ }
+ }
+ }
/**
--- /dev/null
+/* ====================================================================
+ 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.hssf.usermodel;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.util.Iterator;
+
+import junit.framework.TestCase;
+
+public final class TestFormulaEvaluatorBugs extends TestCase {
+ private String dirName;
+ private String tmpDirName;
+
+ protected void setUp() throws Exception {
+ super.setUp();
+ dirName = System.getProperty("HSSF.testdata.path");
+ tmpDirName = System.getProperty("java.io.tmpdir");
+ }
+
+ /**
+ * An odd problem with evaluateFormulaCell giving the
+ * right values when file is opened, but changes
+ * to the source data in some versions of excel
+ * doesn't cause them to be updated. However, other
+ * versions of excel, and gnumeric, work just fine
+ * WARNING - tedious bug where you actually have to
+ * open up excel
+ */
+ public void test44636() throws Exception {
+ // Open the existing file, tweak one value and
+ // re-calculate
+ FileInputStream in = new FileInputStream(new File(dirName,"44636.xls"));
+ HSSFWorkbook wb = new HSSFWorkbook(in);
+ HSSFSheet sheet = wb.getSheetAt (0);
+ HSSFRow row = sheet.getRow (0);
+
+ row.getCell((short)0).setCellValue(4.2);
+ row.getCell((short)2).setCellValue(25);
+
+ HSSFFormulaEvaluator.evaluateAllFormulaCells(wb);
+ assertEquals(4.2*25, row.getCell((short)3).getNumericCellValue());
+
+ // Save
+ File existing = new File(tmpDirName,"44636-existing.xls");
+ FileOutputStream out = new FileOutputStream(existing);
+ wb.write(out);
+ out.close();
+ System.err.println("Existing file for bug #44636 written to " + existing.toString());
+
+
+ // Now, do a new file from scratch
+ wb = new HSSFWorkbook();
+ sheet = wb.createSheet();
+
+ row = sheet.createRow(0);
+ row.createCell((short)0).setCellValue(1.2);
+ row.createCell((short)1).setCellValue(4.2);
+
+ row = sheet.createRow(1);
+ row.createCell((short)0).setCellFormula("SUM(A1:B1)");
+
+ HSSFFormulaEvaluator.evaluateAllFormulaCells(wb);
+ assertEquals(5.4, row.getCell((short)0).getNumericCellValue());
+
+ // Save
+ File scratch = new File(tmpDirName,"44636-scratch.xls");
+ out = new FileOutputStream(scratch);
+ wb.write(out);
+ out.close();
+ System.err.println("New file for bug #44636 written to " + scratch.toString());
+ }
+}