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import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.event.MouseEvent;
import java.sql.Date;
import java.util.Enumeration;
import java.util.EventObject;
import java.util.Vector;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.event.CellEditorListener;
import javax.swing.event.ChangeEvent;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
public class MyTextAreaCell extends JTextArea implements TableCellRenderer,
TableCellEditor {
public MyTextAreaCell() {
super();
}
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if (isSelected) {
setBackground(Color.BLUE);
setForeground(Color.WHITE);
} else {
if ((row % 2) == 0) {
setBackground(Color.YELLOW);
setForeground(Color.BLACK);
} else {
setBackground(Color.WHITE);
setForeground(Color.BLACK);
}
}
setAlignmentX(JTextArea.CENTER_ALIGNMENT);
setAlignmentY(JTextArea.CENTER_ALIGNMENT);
setAutoscrolls(false);
setLineWrap(true);
setWrapStyleWord(true);
setText((value.toString()));
if (value.getClass().equals(d.getClass())) {
setText(dc.getDateFR(value.toString()));
} else {
setText(value.toString());
}
table.setRowHeight(row, getHeight(this, table, value.toString(), row,
column));
TableColumn col = null;
for (int i = 0; i < table.getColumnCount(); i++) {
col = table.getColumnModel().getColumn(i);
System.out.println(col.getWidth());
col.sizeWidthToFit();
}
return this;
}
public Component getTableCellEditorComponent(JTable table, Object value,
boolean isSelected, int row, int column) {
savedValue = value;
setAlignmentX(JTextArea.CENTER_ALIGNMENT);
setAlignmentY(JTextArea.CENTER_ALIGNMENT);
setAutoscrolls(true);
setLineWrap(true);
setWrapStyleWord(true);
setText((value.toString()));
if (value.getClass().equals(d.getClass())) {
setText(dc.getDateFR(value.toString()));
} else {
setText(value.toString());
}
return this;
}
private int getHeight(JTextArea textArea, JTable table, String text,
int row, int column) {
FontMetrics fm = getFontMetrics(textArea.getFont());
int numberOfTextRows = 2;
int numberOfTextRows_IncludingNewlines = 0;
int textWidth = 0;
int columnWidth = 0;
if (fm != null) {
textWidth = fm.stringWidth(text);
}
if (textWidth > 0) {
TableColumn tableColumn = table.getColumnModel().getColumn(column);
columnWidth = tableColumn.getWidth()
- (textArea.getMargin().left + textArea.getMargin().right);
numberOfTextRows = (textWidth / columnWidth + 1);
if (text.indexOf('\n') > -1) {
for (int index = 0; index < text.length();) {
try {
int index_1 = text.indexOf('\n', index);
int index_2 = text.indexOf('\n', index + 1);
String line = text.substring(index_1, index_2);
textWidth = fm.stringWidth(line);
numberOfTextRows_IncludingNewlines += ((textWidth / columnWidth) + 1);
index = index_2;
} catch (StringIndexOutOfBoundsException ex) {
break;
}
}
numberOfTextRows = Math.max(numberOfTextRows,
numberOfTextRows_IncludingNewlines) + 2;
}
}
int rowHeight = fm.getHeight() * (numberOfTextRows + 1);
if (rowHeight > table.getRowHeight(row)) {
return rowHeight;
}
return table.getRowHeight(row);
}
public boolean isCellEditable(EventObject anEvent) {
if (anEvent instanceof MouseEvent) {
MouseEvent evt = (MouseEvent) anEvent;
if (evt.getClickCount() == 2) {
return true;
}
}
return false;
}
public boolean shouldSelectCell(EventObject anEvent) {
return true;
}
public void addCellEditorListener(CellEditorListener l) {
listeners.addElement(l);
}
public void removeCellEditorListener(CellEditorListener l) {
listeners.removeElement(l);
}
public void cancelCellEditing() {
setText(savedValue.toString()); // revert to last saved value
ChangeEvent ce = new ChangeEvent(this);
Vector copy = (Vector) listeners.clone();
Enumeration e = copy.elements();
while (e.hasMoreElements()) {
CellEditorListener l = (CellEditorListener) e.nextElement();
l.editingCanceled(ce);
}
}
public boolean stopCellEditing() {
ChangeEvent ce = new ChangeEvent(this);
Vector copy = (Vector) listeners.clone();
Enumeration e = copy.elements();
while (e.hasMoreElements()) {
CellEditorListener l = (CellEditorListener) e.nextElement();
l.editingStopped(ce);
}
return true;
}
public Object getCellEditorValue() {
return new String(getText());
}
Date_convert dc = new Date_convert();
Date d = new Date(0);
private transient Vector listeners = new Vector();
private Object savedValue;
} |
