HTML_Progress2 : The Definitive Guide |
Table of Contents
HTML_Progress2 class provides an implementation of the observer pattern. It provide a mechanism which you can examine each important event as it is happened. This allow the implementation of special behavior based on the value of the progress meter.
Implementation of a standardized observer pattern is made with help of PEAR::Event_Dispatcher package (manual ).
Depending on action triggered, there are four events you may be listen:
onSubmit. This event
corresponding to start of progress meter (at launch of
run() method).
onLoad. This event
corresponding when progress meter reach 100% (just after
run() method execution).
onChange This event corresponding when progress meter value is changed. Many reasons :
setMinimum() method
setMaximum() method
setValue() or incValue() methods
moveStep() or moveNext() methods
onCancel [progress monitor only]. This event corresponding when progress monitor is stopped by user action (cancel key pressed).
| HTML_Progress2 : The Definitive Guide | v 2.4.0 : April 20, 2007 |