HelpBrowserHistory (JOSM)

java.lang.Object
- org.openstreetmap.josm.gui.util.ChangeNotifier
- - org.openstreetmap.josm.gui.help.HelpBrowserHistory

public class HelpBrowserHistory
extends ChangeNotifier

Help browser history.

Since:: 2274

Field Summary

Fields
Modifier and Type Field Description

private IHelpBrowser browser

private java.util.List<java.lang.String> history

private int historyPos

Constructor Summary

Constructors
Constructor Description

HelpBrowserHistory(IHelpBrowser browser)
Constructs a new HelpBrowserHistory.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`back()`	Go back.
`boolean`	`canGoBack()`	Determines if the help browser can go back.
`boolean`	`canGoForward()`	Determines if the help browser can go forward.
`void`	`clear()`	Clears the history.
`void`	`forward()`	Go forward.
`void`	`setCurrentUrl(java.lang.String url)`	Remembers the new current URL.

Methods inherited from class org.openstreetmap.josm.gui.util.ChangeNotifier
addChangeListener, fireStateChanged, removeChangeListener

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - browser
```
private final IHelpBrowser browser
```
  - history
```
private java.util.List<java.lang.String> history
```
  - historyPos
```
private int historyPos
```
- Constructor Detail
  - HelpBrowserHistory
```
public HelpBrowserHistory(IHelpBrowser browser)
```
    Constructs a new HelpBrowserHistory.
    
    Parameters:
    
    browser - help browser
- Method Detail
  - clear
```
public void clear()
```
    Clears the history.
  - canGoBack
```
public boolean canGoBack()
```
    Determines if the help browser can go back.
    
    Returns:
    
    true if a previous history position exists
  - canGoForward
```
public boolean canGoForward()
```
    Determines if the help browser can go forward.
    
    Returns:
    
    true if a following history position exists
  - back
```
public void back()
```
    Go back.
  - forward
```
public void forward()
```
    Go forward.
  - setCurrentUrl
```
public void setCurrentUrl(java.lang.String url)
```
    Remembers the new current URL.
    
    Parameters:
    
    url - the new current URL