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package EVENT;
import java.awt.Color;
import java.awt.Font;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.swing.BorderFactory;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import IHM.IhmConverter;
/**
* Some utility methods for the application
*
* @author t0163126
*/
public class UtilityMethods {
private static File file;
private static final XSSFWorkbook wb = new XSSFWorkbook(file);
// le new XSSFWorkbook(file); pose problème.
private static XSSFSheet sheet;
private static XSSFCell cell;
private static XSSFRow row;
/**
* Create tabs based on file and panel
*
* @param tabPanel
* @param file
* @return
*/
public static JTabbedPane createJTabbed(File file) {
JTabbedPane tabbedPane = new JTabbedPane();
List<JPanel> lstPanel = createTabPanel(file);
for (JPanel panel : lstPanel) {
tabbedPane.addTab(panel.getName(), // tab name
null, // tab icon
panel, // Tabs panel for the JTable
panel.getToolTipText() // tab tool tip text
);
}
return tabbedPane;
}
/**
* Create a tab panel by excel feel
*
* @param fileName
* @param excelFile
* @return
*/
public static List<JPanel> createTabPanel(File file) {
JTable spreadsheet = new JTable();
JPanel panel;
List<JPanel> lstPanel = new ArrayList<JPanel>();
try {
// Get the sheet number
int nbFeuilles = wb.getNumberOfSheets();
for (int i = 0; i < nbFeuilles; i++) {
sheet = wb.getSheetAt(i);
// Create one JTable by excel feel
spreadsheet = createJTableWithExcel(excelFile, i);
spreadsheet.setFont(new Font(Font.SERIF, Font.PLAIN, 10));
JScrollPane elevator = new JScrollPane();
elevator.setViewportView(spreadsheet);
// Create a panel by excel feel number
panel = new JPanel();
panel.setBorder(BorderFactory.createTitledBorder(sheet
.getSheetName()));
panel.setBackground(Color.LIGHT_GRAY);
panel.add(elevator);
lstPanel.add(panel);
}
wb.close();
} catch (IOException e) {
e.printStackTrace();
}
return lstPanel;
}
/**
* Create a JTable depending on the file and the entry sheet number
*
* @param file
* @param numSheet
* @return
*/
public static JTable createJTableWithExcel(int numSheet) {
// Create new table
JTable table = new JTable();
// Reading the excel file
try {
// Get the contents of the excel file according to the sheet number
sheet = wb.getSheetAt(numSheet);
// Count the line number
int nbRows = sheet.getLastRowNum();
// Count the column number
int nbColumns = numberMaxColumn(sheet);
System.out.println("In the sheet " + sheet.getSheetName()
+ " there are " + nbRows + " lines and " + nbColumns
+ " columns");
// Create new object array
Object[][] obj = new Object[nbRows][nbColumns];
// Array header
String[] title = new String[nbColumns];
for (int i = 0; i < nbColumns; i++) {
title[i] = "#" + i;
}
// Browsing the sheet and retrieves the lines one by one
for (int rowContent = 0; rowContent < nbRows; rowContent++) {
row = sheet.getRow(rowContent);
// Browsing the line and retrieves the columns
if (row != null) {
for (int columnContent = 0; columnContent < nbColumns; columnContent++) {
// Retrieves the cell and this value
cell = row.getCell((short) columnContent);
Object value = contentCell(cell);
// System.out.println(value.toString());
obj[rowContent][columnContent] = value;
}
}
}
wb.close();
table.setModel(new DefaultTableModel(obj, title));
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return table;
}
/**
* The cell can contain different type of value that should be specifically
* recovered
*
* @param cell
* @return
*/
private static Object contentCell(XSSFCell c) {
Object value = null;
if (c == null) {
value = "";
} else if (c.getCellType() == XSSFCell.CELL_TYPE_BOOLEAN) {
value = c.getBooleanCellValue();
} else if (c.getCellType() == XSSFCell.CELL_TYPE_ERROR) {
value = c.getErrorCellValue();
} else if (c.getCellType() == XSSFCell.CELL_TYPE_FORMULA) {
value = c.getCellFormula();
} else if (c.getCellType() == XSSFCell.CELL_TYPE_NUMERIC) {
value = c.getNumericCellValue();
} else if (c.getCellType() == XSSFCell.CELL_TYPE_STRING) {
value = c.getStringCellValue();
}
return value;
}
/**
* Retrieves the maximum number of column. If a line has 2 empty boxes at
* the end , they are not taken into account. So to retrieve the number of
* columns to initialize our table we must browse all lines
*
* @param sheet
* @return
*/
private static int numberMaxColumn(XSSFSheet st) {
int r = st.getLastRowNum();
int max = 0;
int s = 0;
while (s < r) {
if (st.getRow(s) != null) {
int c = st.getRow(s).getLastCellNum();
if (c > max) {
max = c;
}
}
s++;
}
return max + 1;
}
/**
* Closing the application
*/
public static void closeApplication() {
IhmConverter ihm = IhmConverter.getInstance();
Object[] options = {
"Yes, please", "Oops no!"
};
int retour = JOptionPane.showOptionDialog(ihm, Final.getMsgExit(),
Final.getMsgExitTitle(), JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE, null, options, options[0]);
if (retour == JOptionPane.YES_OPTION) {
ihm.setVisible(false);
ihm.dispose();
System.exit(0);
} else if (retour == JOptionPane.NO_OPTION) {
// do nothing
}
}
} |
JTabbedPane JTable JPanel Excel (xls, xlsx) Apache POI
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