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com.port80.eclipse.util
Class NavigateHistory  

java.lang.Object
  com.port80.eclipse.util.NavigateHistory

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public class NavigateHistory

extends java.lang.Object

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Field Summary
private  org.eclipse.jface.action.Action	backAction
private static int	DEF_HISTORY_SIZE
private static int	DEF_VISITED_SIZE
private  boolean	fCanGoBack
private  boolean	fCanGoForward
private  java.lang.Object[]	fHistory           History, in acess time order, oldest first.
private  int	fLast
private  java.util.List	fListeners
private  org.eclipse.jface.action.Action	forwardAction
private  int	fPos
private  java.lang.Object[]	fVisited           Unique objects visited, unordered.
private  int	fVisitedSize
static java.lang.String	ID
static java.lang.String	NAME

 

Constructor Summary

NavigateHistory()

NavigateHistory(int size)

NavigateHistory(int historysize, int visitedsize)

 

Method Summary
void	add(java.lang.Object a)           Add an object to the history.
void	addHistoryListener(IHistoryListener l)
void	addNavigationActions(org.eclipse.jface.action.IMenuManager manager)           Adds actions for "go back", "go home", and "go into" to a menu manager.
void	addNavigationActions(org.eclipse.jface.action.IToolBarManager toolBar)           Adds actions for "go back", "go home", and "go into" to a tool bar manager.
boolean	canGoBack()
boolean	canGoForward()
private  void	createActions()           Create the actions for navigation.
private  void	fireGotoEvent(java.lang.Object a)
private  void	fireUpdateStatusEvent()
java.lang.Object[]	getHistory()
java.lang.Object	getHistory(int n)
java.lang.Object[]	getVisited()
java.lang.Object	getVisited(int n)
boolean	goBack()           Go back.
boolean	goForward()           Go forward.
void	gotoHistory(int n)           Goto the specified position.
void	gotoVisited(int n)
int	historyPos()
int	historySize()
void	removeHistoryListener(IHistoryListener l)
void	reset()           Resets the history.
protected  void	updateButtonStatus()           Updates the enabled state for each navigation button.
void	updateVisited(java.lang.Object a)           Added object to visited set.
int	visitedSize()

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

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ID

public static final java.lang.String ID

See Also:

Constant Field Values

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DEF_HISTORY_SIZE

private static final int DEF_HISTORY_SIZE

See Also:

Constant Field Values

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DEF_VISITED_SIZE

private static final int DEF_VISITED_SIZE

See Also:

Constant Field Values

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fHistory

private java.lang.Object[] fHistory

History, in acess time order, oldest first.

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fVisited

private java.lang.Object[] fVisited

Unique objects visited, unordered.

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fListeners

private java.util.List fListeners

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fPos

private int fPos

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fLast

private int fLast

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fVisitedSize

private int fVisitedSize

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backAction

private org.eclipse.jface.action.Action backAction

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forwardAction

private org.eclipse.jface.action.Action forwardAction

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fCanGoBack

private boolean fCanGoBack

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fCanGoForward

private boolean fCanGoForward

Constructor Detail

NavigateHistory

public NavigateHistory()

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NavigateHistory

public NavigateHistory(int size)

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NavigateHistory

public NavigateHistory(int historysize,
                       int visitedsize)

Method Detail

addHistoryListener

public void addHistoryListener(IHistoryListener l)

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removeHistoryListener

public void removeHistoryListener(IHistoryListener l)

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add

public void add(java.lang.Object a)

Add an object to the history. Adding object now do not fire any GotoEvent. Typical event sequence is: Trigger (doubleclick,actions in views, eg. History forward/backward/goto action->GotoHistoryEvent) -> Editor open -> PartActivationEvent -> Add to history, select in views ... etc. When a new object is added when visiting an object in the middle of the history, the new object is inserted to the history after the current position in the history.

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historySize

public int historySize()

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historyPos

public int historyPos()

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getHistory

public java.lang.Object getHistory(int n)

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getHistory

public java.lang.Object[] getHistory()

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gotoHistory

public void gotoHistory(int n)

Goto the specified position.

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visitedSize

public int visitedSize()

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getVisited

public java.lang.Object getVisited(int n)

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getVisited

public java.lang.Object[] getVisited()

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gotoVisited

public void gotoVisited(int n)

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updateVisited

public void updateVisited(java.lang.Object a)

Added object to visited set. This is automatically invoked before firing a GotoEvent.

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canGoBack

public boolean canGoBack()

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canGoForward

public boolean canGoForward()

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goBack

public boolean goBack()

Go back.

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goForward

public boolean goForward()

Go forward.

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reset

public void reset()

Resets the history.

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updateButtonStatus

protected void updateButtonStatus()

Updates the enabled state for each navigation button.

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fireUpdateStatusEvent

private void fireUpdateStatusEvent()

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fireGotoEvent

private void fireGotoEvent(java.lang.Object a)

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addNavigationActions

public void addNavigationActions(org.eclipse.jface.action.IMenuManager manager)

Adds actions for "go back", "go home", and "go into" to a menu manager.

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addNavigationActions

public void addNavigationActions(org.eclipse.jface.action.IToolBarManager toolBar)

Adds actions for "go back", "go home", and "go into" to a tool bar manager.

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createActions

private void createActions()

Create the actions for navigation.

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