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关于Oracle ADF 11g的客户端和服务端监听的使用(二)

 
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前面有编文章介绍了客户端响应服务端,就是clientListener监听客户端的事件,调用JS来响应serverListener执行服务端的事件,但是如果遇到了clientListener监听不到的客户端事件呢?
<wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">因为使用了自定义dialog的LOV,也就是上篇文章介绍的利用LOV的searchContent这个facet来定义LOV弹出的dialog内容,因为现在需要对这个弹出的dialog的button设置access key,本来对dialog设置access key是很方便的,只要把dialog的affirmativeTextAndAccess</span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">Key和cancelTextAndAccessKey属性设置成带有access key的&amp;OK和&amp;Cancel就行了,可问题是这个LOV的弹出的dialog无法在客户端设置这两个属性,所以需要在客户端增加serverListener监听,但如何响应这个监听呢,因为这时候clientListener没办法监听到这个LOV的popupOpened,所以需要在LOV的launchPopupListener中响应serverListener了,用clientListener也是要通过JS来响应serverListener的,那就可以在launchPopupListener中写代码来执行这个JS了。</span><br style="line-height:23px; orphans:2; widows:2"><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">StringBuilder script = new StringBuilder();</span><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">script.append("var source = AdfPage.PAGE.findComponent("").append(LOV控件ID).append("");");</span><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">script.append(" if (source != null) {AdfCustomEvent.queue(source,"serverListener响应的服务器事件",{},true);}");</span><wbr style="line-height:23px; orphans:2; widows:2"><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">FacesContext context = FacesContext.getCurrentInstance();</span><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">ExtendedRenderKitService</span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">service = Service.getService(context.getRenderKit(),</span><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2"></span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">ExtendedRenderKitService</span><wbr style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">.class);</span><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">service.addScript(context, script.toString());</span><br style="line-height:23px; orphans:2; widows:2"><br style="line-height:23px; orphans:2; widows:2"><span style="line-height:23px; orphans:2; widows:2">这与clientListener响应serverListener是相同的,只不过前者是在客户端执行JS,后者是在服务端执行JS。</span></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr></wbr>
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