DisplayTimer (ChargerLib)

Object
- chargerlib.DisplayTimer

```
public class DisplayTimer
extends Object
```
An hour-minute-second timer associated with a particular JLabel display. Works as either a count-up timer from zero or a count-down timer, where the display switches to yellow when it reaches 2 minutes and an alternating red-color after it reaches zero. Resolution of the timer is assumed to be no better than one second.

See Also:

Timer

Field Summary

Fields
Modifier and Type	Field and Description
`(package private) boolean`	`countdown`
`(package private) long`	`displayedTimeSeconds` The value to display ...
`(package private) JLabel`	`displayLabel`
`(package private) long`	`durationTimeMilliseconds`
`(package private) boolean`	`flashRedAfterExpiration`
`(package private) Color`	`foreground`
`(package private) Timer`	`myTimer`
`(package private) boolean`	`showYellowAfterWarning`
`(package private) Date`	`startTime`
`(package private) Toolkit`	`toolkit`
`(package private) long`	`warningSeconds`
`(package private) long`	`zeroTimeInMilliseconds`

Constructor Summary

Constructors
Constructor and Description
`DisplayTimer(JLabel displayField)` Associates this timer with the given label
`DisplayTimer(JLabel displayLabel, boolean countdown, int durationSeconds)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`long`	`getWarningSeconds()`
`static String`	`hms(int intervalSeconds)` Converts number of seconds into a nice 00:00:00 string.
`boolean`	`isFlashRedAfterExpiration()`
`boolean`	`isRunning()`
`boolean`	`isShowYellowAfterWarning()`
`void`	`restartTimer(int countdownSeconds)` Reset the timer to the countdown seconds and start over.
`void`	`setCountdownSeconds(int countdownSeconds)` Set the number of seconds to start the countdown.
`void`	`setDisplayLabel(JLabel displayLabel)`
`void`	`setFlashRedAfterExpiration(boolean flashRedAfterExpiration)`
`void`	`setShowYellowAfterWarning(boolean showYellowAfterWarning)`
`void`	`setText(String text)`
`void`	`setWarningSeconds(long warningSeconds)`
`void`	`startTimer()` Create a one-second timer for the elapsed time display, and start the timer.
`void`	`startTimer(int countdownSeconds, boolean restart)` Begin the countdown for the timer.
`void`	`stopTimer()`

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

- Field Detail
  - displayLabel
```
JLabel displayLabel
```
  - countdown
```
boolean countdown
```
  - durationTimeMilliseconds
```
long durationTimeMilliseconds
```
  - zeroTimeInMilliseconds
```
long zeroTimeInMilliseconds
```
  - flashRedAfterExpiration
```
boolean flashRedAfterExpiration
```
  - showYellowAfterWarning
```
boolean showYellowAfterWarning
```
  - warningSeconds
```
long warningSeconds
```
  - toolkit
```
Toolkit toolkit
```
  - displayedTimeSeconds
```
long displayedTimeSeconds
```
    The value to display ... if negative, then will be shown as red-based display.
  - startTime
```
Date startTime
```
  - myTimer
```
Timer myTimer
```
  - foreground
```
Color foreground
```
- Constructor Detail
  - DisplayTimer
```
public DisplayTimer(JLabel displayField)
```
    Associates this timer with the given label
  - DisplayTimer
```
public DisplayTimer(JLabel displayLabel,
                    boolean countdown,
                    int durationSeconds)
```
    Parameters:
    
    displayLabel - The field to use for the display
    
    countdown - Whether we are counting down from the start value or counting up.
    
    startValue - The starting value in seconds. If zero, then startTimer starts from the current time. Otherwise startTimer starts with the current time plus the start value.
- Method Detail
  - setDisplayLabel
```
public void setDisplayLabel(JLabel displayLabel)
```
  - setCountdownSeconds
```
public void setCountdownSeconds(int countdownSeconds)
```
    Set the number of seconds to start the countdown.
    
    Parameters:
    
    countdownSeconds - Countdown will start here. Note there are no restrictions on the value; if given a negative number, then it will countdown from that value, flashing red as it goes.
  - setText
```
public void setText(String text)
```
  - isFlashRedAfterExpiration
```
public boolean isFlashRedAfterExpiration()
```
  - setFlashRedAfterExpiration
```
public void setFlashRedAfterExpiration(boolean flashRedAfterExpiration)
```
  - isShowYellowAfterWarning
```
public boolean isShowYellowAfterWarning()
```
  - setShowYellowAfterWarning
```
public void setShowYellowAfterWarning(boolean showYellowAfterWarning)
```
  - getWarningSeconds
```
public long getWarningSeconds()
```
  - setWarningSeconds
```
public void setWarningSeconds(long warningSeconds)
```
  - stopTimer
```
public void stopTimer()
```
  - isRunning
```
public boolean isRunning()
```
  - restartTimer
```
public void restartTimer(int countdownSeconds)
```
    Reset the timer to the countdown seconds and start over. Equivalent to calling startTimer with restart true.
    
    Parameters:
    
    countdownSeconds -
  - startTimer
```
public void startTimer(int countdownSeconds,
                       boolean restart)
```
    Begin the countdown for the timer.
    
    Parameters:
    
    countdownSeconds - the number of seconds to start with
    
    restart - true if we want to reset a running timer to the countdown seconds; false if we continue counting down (i.e., ignore this call if the timer is already running)
  - startTimer
```
public void startTimer()
```
    Create a one-second timer for the elapsed time display, and start the timer.
  - hms
```
public static String hms(int intervalSeconds)
```
    Converts number of seconds into a nice 00:00:00 string.

Class DisplayTimer

Field Summary

Constructor Summary

Method Summary

Methods inherited from class Object

Field Detail

displayLabel

countdown

durationTimeMilliseconds

zeroTimeInMilliseconds

flashRedAfterExpiration

showYellowAfterWarning

warningSeconds

toolkit

displayedTimeSeconds

startTime

myTimer

foreground

Constructor Detail

DisplayTimer

DisplayTimer

Method Detail

setDisplayLabel

setCountdownSeconds

setText

isFlashRedAfterExpiration

setFlashRedAfterExpiration

isShowYellowAfterWarning

setShowYellowAfterWarning

getWarningSeconds

setWarningSeconds

stopTimer

isRunning

restartTimer

startTimer

startTimer

hms