/* ==================================================================== | |
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.examples; | |
import java.io.FileOutputStream; | |
import java.io.IOException; | |
import java.io.OutputStream; | |
import org.apache.poi.ss.usermodel.*; | |
import org.apache.poi.xssf.usermodel.XSSFWorkbook; | |
/** | |
* Shows how various alignment options work. | |
*/ | |
public class AligningCells { | |
public static void main(String[] args) throws IOException { | |
Workbook wb = new XSSFWorkbook(); //or new HSSFWorkbook(); | |
Sheet sheet = wb.createSheet(); | |
Row row = sheet.createRow(2); | |
row.setHeightInPoints(30); | |
for (int i = 0; i < 8; i++) { | |
//column width is set in units of 1/256th of a character width | |
sheet.setColumnWidth(i, 256 * 15); | |
} | |
createCell(wb, row, 0, HorizontalAlignment.CENTER, VerticalAlignment.BOTTOM); | |
createCell(wb, row, 1, HorizontalAlignment.CENTER_SELECTION, VerticalAlignment.BOTTOM); | |
createCell(wb, row, 2, HorizontalAlignment.FILL, VerticalAlignment.CENTER); | |
createCell(wb, row, 3, HorizontalAlignment.GENERAL, VerticalAlignment.CENTER); | |
createCell(wb, row, 4, HorizontalAlignment.JUSTIFY, VerticalAlignment.JUSTIFY); | |
createCell(wb, row, 5, HorizontalAlignment.LEFT, VerticalAlignment.TOP); | |
createCell(wb, row, 6, HorizontalAlignment.RIGHT, VerticalAlignment.TOP); | |
// Write the output to a file | |
OutputStream fileOut = new FileOutputStream("ss-example-align.xlsx"); | |
wb.write(fileOut); | |
fileOut.close(); | |
wb.close(); | |
} | |
/** | |
* Creates a cell and aligns it a certain way. | |
* | |
* @param wb the workbook | |
* @param row the row to create the cell in | |
* @param column the column number to create the cell in | |
* @param halign the horizontal alignment for the cell. | |
*/ | |
private static void createCell(Workbook wb, Row row, int column, HorizontalAlignment halign, VerticalAlignment valign) { | |
CreationHelper ch = wb.getCreationHelper(); | |
Cell cell = row.createCell(column); | |
cell.setCellValue(ch.createRichTextString("Align It")); | |
CellStyle cellStyle = wb.createCellStyle(); | |
cellStyle.setAlignment(halign); | |
cellStyle.setVerticalAlignment(valign); | |
cell.setCellStyle(cellStyle); | |
} | |
} |