edu.berkeley.guir.ptk.output
Class TickerTextOutput

java.lang.Object
  edu.berkeley.guir.ptk.PTK
      edu.berkeley.guir.ptk.output.Output
          edu.berkeley.guir.ptk.output.GraphicalTextOutput
              edu.berkeley.guir.ptk.output.TickerTextOutput

All Implemented Interfaces:

Animatable, java.lang.Runnable

Direct Known Subclasses:

ActivityTickerOutput, AudioTickerOutput, AudioTickerOutput, NumPeopleTickerOutput, StockNewsTickerOutput

public class TickerTextOutput

extends GraphicalTextOutput

Extends GraphicalTextOutput to display text in a Java JPanel. Also, causes the text to scroll across the ticker JPanel. For an example of an application that uses this and the GraphicalTextOutput, see the StockNewsAppNon.

Author:

jmankoff

Field Summary

java.lang.String	message The message to be displayed on the ticker.
TPanel	tp The java GUI panel upon which the graphical text will display.

Fields inherited from class edu.berkeley.guir.ptk.output.GraphicalTextOutput

NUM_STEPS

Fields inherited from class edu.berkeley.guir.ptk.output.Output

animatable, d_queue, data_ids_I_want, history, ITEMS_LENGTH, metadata_I_want, num_ids, num_metadata, output_cycle_time, transition

Fields inherited from class edu.berkeley.guir.ptk.PTK

debug, MAX_DEBUG, MED_DEBUG, MIN_DEBUG, NO_DEBUG

Constructor Summary

TickerTextOutput()

TickerTextOutput(TPanel ntp)
Partial Constructor

TickerTextOutput(TPanel ntp, Transition t)

Method Summary

protected void	displayEvent(Event e) Displays a text message from an event on the TPanel.
protected void	interDisplayEvent(long ptime) Implements the interDisplayEvent() method from output, causing the text on the JPanel to scroll.

Methods inherited from class edu.berkeley.guir.ptk.output.GraphicalTextOutput

alternateStep, changeblindTransStep, endTransition, interruptTransStep, main, makeawareTransStep, startTransition

Methods inherited from class edu.berkeley.guir.ptk.output.Output

addDataID, addMetadataIWant, checkAction, doIWant, getAllMetadata, getDataIDs, getFirstMetadata, getHistory, handleEvent, isAnimatable, printMetadataIWant, run, setChangeblindTransitionSteps, setDataIDsIWant, setInterruptTransitionSteps, setMakeawareTransitionSteps, setTimeBetweenDisplayEvents, setTransition, setUnsetNotification

Methods inherited from class edu.berkeley.guir.ptk.PTK

getMAX, getMED, getMIN, getNO, printDebug, printDebug, printError

Methods inherited from class java.lang.Object

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

Field Detail

tp

public TPanel tp

The java GUI panel upon which the graphical text will display.

message

public java.lang.String message

The message to be displayed on the ticker. This is typically set by an output wrapper.

Constructor Detail

TickerTextOutput

public TickerTextOutput()

TickerTextOutput

public TickerTextOutput(TPanel ntp)

Partial Constructor

TickerTextOutput

public TickerTextOutput(TPanel ntp,
                        Transition t)

Method Detail

displayEvent

protected void displayEvent(Event e)

Displays a text message from an event on the TPanel. Called by the PTK when a new event arrives for the Output.

Specified by:

displayEvent in class Output

Parameters:

e - This event to be displayed

interDisplayEvent

protected void interDisplayEvent(long ptime)

Implements the interDisplayEvent() method from output, causing the text on the JPanel to scroll.

Overrides:

interDisplayEvent in class Output

Parameters:

ptime - the time in milliseconds that this function controls the display