static class HelpBrowser.BackAction extends javax.swing.AbstractAction implements java.util.Observer
| Modifier and Type | Field and Description |
|---|---|
private HelpBrowserHistory |
history |
| Constructor and Description |
|---|
BackAction(HelpBrowserHistory history) |
| Modifier and Type | Method and Description |
|---|---|
void |
actionPerformed(java.awt.event.ActionEvent e) |
void |
update(java.util.Observable o,
java.lang.Object arg) |
private HelpBrowserHistory history
public BackAction(HelpBrowserHistory history)
public void actionPerformed(java.awt.event.ActionEvent e)
actionPerformed in interface java.awt.event.ActionListenerpublic void update(java.util.Observable o, java.lang.Object arg)
update in interface java.util.Observer