facets.util.app
Class BusyCursor

java.lang.Object
  facets.util.Tracer
      facets.util.app.BusyCursor

public abstract class BusyCursor
extends Tracer

Sets the application busy cursor.

A BusyCursor passed to AppWatcher.pushCursor(BusyCursor) will call setCursor(boolean) whenever the AppWatcher senses significant change in the application's busy state.

Concrete instances must implement setCursor(boolean) for a particular combination of surface (eg application or dialog) and GUI toolkit.

Constructor Summary

BusyCursor()

Method Summary

void	forceSwitch(boolean busy)
protected abstract void	setCursor(boolean busy) Set the busy cursor over the required part of the application surface.
protected void	traceOutput(java.lang.String msg) Outputs complete trace messages to console or elsewhere.

Methods inherited from class facets.util.Tracer

trace, trace, trace, trace, trace, traceDebug, traceDebug, traceObjectText, traceOutputWithClass

Methods inherited from class java.lang.Object

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

Constructor Detail

BusyCursor

public BusyCursor()

Method Detail

traceOutput

protected final void traceOutput(java.lang.String msg)

Description copied from class: Tracer

Outputs complete trace messages to console or elsewhere.

Default prepends helpful classname to message.

Overrides:

traceOutput in class Tracer

Parameters:

msg - passed from one of the public methods

forceSwitch

public final void forceSwitch(boolean busy)

setCursor

protected abstract void setCursor(boolean busy)

Set the busy cursor over the required part of the application surface.