HandlerRegistration的gwt问题 [英] gwt problem with HandlerRegistration
本文介绍了HandlerRegistration的gwt问题的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一张地图并添加了ClickHandler,但按下按钮后,我想将其删除。我知道有一些HandlerRegistration,但我不知道如何使用它。
部分代码:
map.addMapClickHandler(new MapClickHandler()
{
public void onClick(MapClickEvent e)
{
...
}
});
任何人都可以帮助我吗?
解决方案
如果您仍然需要这个,我花了一段时间才能找出解决方案。
final Set< HandlerRegistration> hack = new HashSet< HandlerRegistration>();
hack.add(map.addMapClickHandler(new MapClickHandler(){
public void onClick(MapClickEvent e){
...
//在此删除处理程序
for (HandlerRegistration hr:hack){
hr.removeHandler();
}
}
}));
I have a problem. I have a map and added ClickHandler, but after pushing a button I want to remove it. I know that there's some HandlerRegistration but I don't know how to use it. part of my code:
map.addMapClickHandler(new MapClickHandler()
{
public void onClick(MapClickEvent e)
{
...
}
});
can anyone help me?
解决方案
In case you still need this, it took me a while to figure out the solution
final Set<HandlerRegistration> hack = new HashSet<HandlerRegistration>();
hack.add(map.addMapClickHandler(new MapClickHandler() {
public void onClick(MapClickEvent e) {
...
// remove handler here
for (HandlerRegistration hr : hack) {
hr.removeHandler();
}
}
}));
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