package org.osmorc.run.ui;
import com.intellij.openapi.diagnostic.Logger;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import javax.swing.text.DefaultFormatterFactory;
import javax.swing.text.NumberFormatter;
import java.awt.*;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.MouseEvent;
import java.text.ParseException;
import java.util.EventObject;
/**
* @author <a href="janthomae@janthomae.de">Jan Thomä</a>
*/
public class JSpinnerCellEditor extends AbstractCellEditor implements TableCellEditor, TableCellRenderer {
private final JSpinner mySpinner = new JSpinner();
public JSpinnerCellEditor() {
mySpinner.setModel(new SpinnerNumberModel(0, 0, Integer.MAX_VALUE, 1));
JSpinner.DefaultEditor editor = (JSpinner.DefaultEditor)mySpinner.getEditor();
editor.getTextField().setFormatterFactory(new DefaultFormatterFactory(new MyNumberFormatter("Default")));
}
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
if (value == null || !(value instanceof Number)) {
Logger.getInstance(getClass()).error("value:" + value);
value = 0;
}
mySpinner.setValue(value);
adjust(table, column);
return mySpinner;
}
@Override
public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected, int row, int column) {
mySpinner.setValue(value);
mySpinner.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
fireEditingStopped();
}
});
mySpinner.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
fireEditingStopped();
}
});
adjust(table, column);
return mySpinner;
}
private void adjust(JTable table, int column) {
Dimension size = mySpinner.getPreferredSize();
size.width = table.getColumnModel().getColumn(column).getWidth() - 5;
mySpinner.setPreferredSize(size);
}
@Override
public boolean isCellEditable(EventObject evt) {
return !(evt instanceof MouseEvent) || ((MouseEvent)evt).getClickCount() >= 1;
}
@Override
public Object getCellEditorValue() {
return mySpinner.getValue();
}
@Override
public boolean stopCellEditing() {
try {
mySpinner.commitEdit();
return super.stopCellEditing();
}
catch (ParseException e) {
return false;
}
}
public static class MyNumberFormatter extends NumberFormatter {
private final String myZeroValue;
public MyNumberFormatter(@NotNull String zeroValue) {
myZeroValue = zeroValue;
setValueClass(Integer.class);
}
@Override
public String valueToString(Object value) throws ParseException {
if ((value instanceof Long && value.equals(0L)) || (value instanceof Integer && value.equals(0))) {
return myZeroValue;
}
else {
return super.valueToString(value);
}
}
@Override
public Object stringToValue(String text) throws ParseException {
if (text.equals(myZeroValue)) {
return 0;
}
else {
return super.stringToValue(text);
}
}
}
}