org.apache.poi.hssf.view.SVTableCellEditor Maven / Gradle / Ivy
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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
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http://www.apache.org/licenses/LICENSE-2.0
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See the License for the specific language governing permissions and
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package org.apache.poi.hssf.view;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.util.EventObject;
import java.util.Map;
import javax.swing.AbstractCellEditor;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.table.TableCellEditor;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ss.usermodel.FillPatternType;
/**
* Sheet Viewer Table Cell Editor -- not commented via javadoc as it
* nearly completely consists of overridden methods.
*
* @author Jason Height
*/
public class SVTableCellEditor extends AbstractCellEditor implements TableCellEditor, ActionListener {
private static final Color black = getAWTColor(new HSSFColor.BLACK());
private static final Color white = getAWTColor(new HSSFColor.WHITE());
private Map colors = HSSFColor.getIndexHash();
private HSSFWorkbook wb;
private JTextField editor;
public SVTableCellEditor(HSSFWorkbook wb) {
this.wb = wb;
this.editor = new JTextField();
}
/**
* Gets the cellEditable attribute of the SVTableCellEditor object
*
* @return The cellEditable value
*/
public boolean isCellEditable(java.util.EventObject e) {
if (e instanceof MouseEvent) {
return ((MouseEvent) e).getClickCount() >= 2;
}
return false;
}
public boolean shouldSelectCell(EventObject anEvent) {
return true;
}
public boolean startCellEditing(EventObject anEvent) {
System.out.println("Start Cell Editing");
return true;
}
public boolean stopCellEditing() {
System.out.println("Stop Cell Editing");
fireEditingStopped();
return true;
}
public void cancelCellEditing() {
System.out.println("Cancel Cell Editing");
fireEditingCanceled();
}
public void actionPerformed(ActionEvent e) {
System.out.println("Action performed");
stopCellEditing();
}
/**
* Gets the cellEditorValue attribute of the SVTableCellEditor object
*
* @return The cellEditorValue value
*/
public Object getCellEditorValue() {
System.out.println("GetCellEditorValue");
//JMH Look at when this method is called. Should it return a HSSFCell?
return editor.getText();
}
/**
* Gets the tableCellEditorComponent attribute of the SVTableCellEditor object
*
* @return The tableCellEditorComponent value
*/
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected,
int row,
int column) {
System.out.println("GetTableCellEditorComponent");
HSSFCell cell = (HSSFCell) value;
if (cell != null) {
HSSFCellStyle style = cell.getCellStyle();
HSSFFont f = wb.getFontAt(style.getFontIndex());
boolean isbold = f.getBold();
boolean isitalics = f.getItalic();
int fontstyle = Font.PLAIN;
if (isbold) fontstyle = Font.BOLD;
if (isitalics) fontstyle = fontstyle | Font.ITALIC;
int fontheight = f.getFontHeightInPoints();
if (fontheight == 9) fontheight = 10; //fix for stupid ol Windows
Font font = new Font(f.getFontName(),fontstyle,fontheight);
editor.setFont(font);
if (style.getFillPatternEnum() == FillPatternType.SOLID_FOREGROUND) {
editor.setBackground(getAWTColor(style.getFillForegroundColor(), white));
} else editor.setBackground(white);
editor.setForeground(getAWTColor(f.getColor(), black));
//Set the value that is rendered for the cell
switch (cell.getCellTypeEnum()) {
case BLANK:
editor.setText("");
break;
case BOOLEAN:
if (cell.getBooleanCellValue()) {
editor.setText("true");
} else {
editor.setText("false");
}
break;
case NUMERIC:
editor.setText(Double.toString(cell.getNumericCellValue()));
break;
case STRING:
editor.setText(cell.getRichStringCellValue().getString());
break;
case FORMULA:
default:
editor.setText("?");
}
switch (style.getAlignmentEnum()) {
case LEFT:
case JUSTIFY:
case FILL:
editor.setHorizontalAlignment(SwingConstants.LEFT);
break;
case CENTER:
case CENTER_SELECTION:
editor.setHorizontalAlignment(SwingConstants.CENTER);
break;
case GENERAL:
case RIGHT:
editor.setHorizontalAlignment(SwingConstants.RIGHT);
break;
default:
editor.setHorizontalAlignment(SwingConstants.LEFT);
break;
}
}
return editor;
}
/** This method retrieves the AWT Color representation from the colour hash table
*
*/
private final Color getAWTColor(int index, Color deflt) {
HSSFColor clr = colors.get(index);
if (clr == null) return deflt;
return getAWTColor(clr);
}
private static final Color getAWTColor(HSSFColor clr) {
short[] rgb = clr.getTriplet();
return new Color(rgb[0],rgb[1],rgb[2]);
}
}