// -------->
// original code:
// ftp://ftp.oreilly.de/pub/examples/english_examples/jswing2/code/goodies/Mapper.java
// modified by terai
// private Hashtable<Object, ArrayList<KeyStroke>> buildReverseMap(InputMap im) {
// Hashtable<Object, ArrayList<KeyStroke>> h = new Hashtable<>();
// if (Objects.isNull(im.allKeys())) {
// return h;
// }
// for (KeyStroke ks: im.allKeys()) {
// Object name = im.get(ks);
// if (h.containsKey(name)) {
// h.get(name).add(ks);
// } else {
// ArrayList<KeyStroke> keylist = new ArrayList<>();
// keylist.add(ks);
// h.put(name, keylist);
// }
// }
// return h;
// }
private void loadBindingMap(Integer focusType, InputMap im, ActionMap am) {
if (Objects.isNull(im.allKeys())) {
return;
}
ActionMap tmpAm = new ActionMap();
for (Object actionMapKey : am.allKeys()) {
tmpAm.put(actionMapKey, am.get(actionMapKey));
}
for (KeyStroke ks : im.allKeys()) {
Object actionMapKey = im.get(ks);
Action action = am.get(actionMapKey);
if (Objects.isNull(action)) {
model.addBinding(new Binding(focusType, "____" + actionMapKey.toString(), ks.toString()));
} else {
model.addBinding(new Binding(focusType, actionMapKey.toString(), ks.toString()));
}
tmpAm.remove(actionMapKey);
}
if (Objects.isNull(tmpAm.allKeys())) {
return;
}
for (Object actionMapKey : tmpAm.allKeys()) {
model.addBinding(new Binding(focusType, actionMapKey.toString(), ""));
}
}
// Overridden for performance reasons. ---->
@Override
public boolean isOpaque() {
Color back = getBackground();
Component p = getParent();
if (Objects.nonNull(p)) {
p = p.getParent();
} // p should now be the JTable.
boolean colorMatch =
Objects.nonNull(back)
&& Objects.nonNull(p)
&& back.equals(p.getBackground())
&& p.isOpaque();
return !colorMatch && super.isOpaque();
}
@Override
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue) {
// String literal pool
// if (propertyName == "document" || ((propertyName == "font" || propertyName == "foreground")
// && oldValue != newValue)) {
if ("document".equals(propertyName)
|| !Objects.equals(oldValue, newValue)
&& ("font".equals(propertyName) || "foreground".equals(propertyName))) {
super.firePropertyChange(propertyName, oldValue, newValue);
}
}
@Override
public Component getTableCellRendererComponent(
JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
if (isSelected) {
setForeground(table.getSelectionForeground());
setBackground(table.getSelectionBackground());
} else {
setForeground(table.getForeground());
setBackground(table.getBackground());
}
setFont(table.getFont());
setText(Objects.toString(value, ""));
return this;
}
protected void fireEditingCanceled() {
// Guaranteed to return a non-null array
Object[] listeners = listenerList.getListenerList();
// Process the listeners last to first, notifying
// those that are interested in this event
for (int i = listeners.length - 2; i >= 0; i -= 2) {
if (listeners[i] == CellEditorListener.class) {
// Lazily create the event:
if (Objects.isNull(changeEvent)) {
changeEvent = new ChangeEvent(this);
}
((CellEditorListener) listeners[i + 1]).editingCanceled(changeEvent);
}
}
}
@Override
public Component getTableCellEditorComponent(
JTable table, Object value, boolean isSelected, int row, int column) {
System.out.println("getTableCellEditorComponent");
setFont(table.getFont());
setText(Objects.toString(value, ""));
EventQueue.invokeLater(
new Runnable() {
@Override
public void run() {
setCaretPosition(getText().length());
requestFocusInWindow();
System.out.println("invokeLater: getTableCellEditorComponent");
}
});
return scroll;
}