Package jmri.jmrit.logix

Class TrackerTableAction

java.lang.Object

javax.swing.AbstractAction

jmri.jmrit.logix.TrackerTableAction

All Implemented Interfaces:

ActionListener, PropertyChangeListener, Serializable, Cloneable, EventListener, Action

public class TrackerTableAction
extends AbstractAction
implements PropertyChangeListener

This class displays a table of the occupancy detection trackers. It does the listening of block sensors for all the Trackers and chooses the tracker most likely to have entered a block becoming active or leaving a block when it becomes inactive.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	TrackerTableAction.ChooseTracker
static class	TrackerTableAction.Initializer
(package private) class	TrackerTableAction.TableFrame	Holds a table of Trackers that follow adjacent occupancy.

Field Summary

Fields

Modifier and Type	Field	Description
protected TrackerTableAction.TableFrame	_frame
protected static final int	STRUT_SIZE

Fields inherited from class javax.swing.AbstractAction

changeSupport, enabled

Fields inherited from interface javax.swing.Action

ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON

Method Summary

Modifier and Type	Method	Description
void	actionPerformed(ActionEvent e)
protected void	addBlockListeners(Tracker tracker)	Adds listeners to all blocks in the range of a Tracker.
protected void	addTracker(Tracker t)
protected boolean	checkBlock(OBlock b)
Tracker	findTrackerIn(OBlock b)	See if any Trackers are occupying a given block.
boolean	markNewTracker(OBlock block, String name, LocoIcon marker)	Create and register a new Tracker.
boolean	mouseClickedOnBlock(OBlock block)
(package private) boolean	nameInuse(String name)
void	propertyChange(PropertyChangeEvent evt)
protected void	removeBlockListeners(Tracker tracker)
protected void	setStatus(String msg)
void	stopTracker(Tracker t, OBlock b)	Stop a Tracker from tracking and remove from list
void	updateStatus()

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.swing.Action

accept

Field Details

STRUT_SIZE

protected static final int STRUT_SIZE

See Also:

• Constant Field Values

_frame

protected TrackerTableAction.TableFrame _frame

Method Details

actionPerformed

public void actionPerformed(ActionEvent e)

Specified by:

actionPerformed in interface ActionListener

mouseClickedOnBlock

public boolean mouseClickedOnBlock(OBlock block)

markNewTracker

public boolean markNewTracker(OBlock block,
 String name,
 LocoIcon marker)

Create and register a new Tracker.

Parameters:

block - starting head block of the Tracker

name - name of the Tracker

marker - LocoIcon dropped on the block (optional)

Returns:

true if successfully created.

addTracker

protected void addTracker(Tracker t)

checkBlock

protected boolean checkBlock(OBlock b)

nameInuse

boolean nameInuse(String name)

stopTracker

public void stopTracker(Tracker t,
 OBlock b)

Stop a Tracker from tracking and remove from list

Parameters:

t - Tracker to be stopped

b - Block Tracker of its last move. Optional, for display purpose only.

setStatus

protected void setStatus(String msg)

findTrackerIn

public Tracker findTrackerIn(OBlock b)

See if any Trackers are occupying a given block.

Parameters:

b - Block being queried

Returns:

Tracker if found

updateStatus

public void updateStatus()

addBlockListeners

protected void addBlockListeners(Tracker tracker)

Adds listeners to all blocks in the range of a Tracker. Called when a new tracker is created.

Parameters:

tracker - Tracker that is about to start

removeBlockListeners

protected void removeBlockListeners(Tracker tracker)

propertyChange

public void propertyChange(PropertyChangeEvent evt)

Specified by:

propertyChange in interface PropertyChangeListener