Wire Event Listeners"
From Documentation
(make warning red) |
(remove red color) |
||
Line 3: | Line 3: | ||
− | To wire event listeners in a ViewModel like [[ZK Developer's Reference/MVC/Controller/Wire Event Listeners]], we have to call <tt> Selectors.wireEventListeners() </tt> in the initial method. Then we can use <tt> @Listen</tt> to declare a method as an event listener. | + | To wire event listeners in a ViewModel like [[ZK Developer's Reference/MVC/Controller/Wire Event Listeners]], we have to call <tt> Selectors.wireEventListeners() </tt> in the initial method. Then we can use <tt> @Listen</tt> to declare a method as an event listener. '''We don't recommend this usage''' because it loses the ViewModel an important advantage: loosely coupling with View. '''Please evaluate trade-off before using it.''' |
Revision as of 02:08, 29 May 2012
To wire event listeners in a ViewModel like ZK Developer's Reference/MVC/Controller/Wire Event Listeners, we have to call Selectors.wireEventListeners() in the initial method. Then we can use @Listen to declare a method as an event listener. We don't recommend this usage because it loses the ViewModel an important advantage: loosely coupling with View. Please evaluate trade-off before using it.
Wire event listener in a ViewModel
public class SearchAutowireVM{
@Init
public void init(@ContextParam(ContextType.VIEW) Component view){
Selectors.wireEventListeners(view, this);
}
@Listen("onClick=#mybutton")
public void submit(MouseEvent event){
//handle events
}
}
- Selectors.wireEventListeners() 's first parameters is Root View Component which can be retrieved by @ContextParam.
Version History
Version | Date | Content |
---|---|---|
6.0.0 | May 2012 | Supplement |