/**
* Closes an editor.
*
* @param edit editor to be closed. {@code null} closes the currently opened editor.
* @return {@code true} if editor was closed
*/
public boolean close(final EditorArea edit) {
final EditorArea ea = edit != null ? edit : getEditor();
if (!confirm(ea)) return false;
tabs.remove(ea);
final int t = tabs.getTabCount();
final int i = tabs.getSelectedIndex();
if (t == 1) {
// reopen single tab
addTab();
} else if (i + 1 == t) {
// if necessary, activate last editor tab
tabs.setSelectedIndex(i - 1);
}
return true;
}
