package com.my120.client;
import com.google.gwt.core.client.EntryPoint;
/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class UiGWT implements EntryPoint {
@Override
public void onModuleLoad() {
registerGwtFunction();
}
public native void registerGwtFunction()/*-{
$wnd.getRoot = @com.google.gwt.user.client.ui.RootPanel::get(Ljava/lang/String;);
$wnd.callInGwt = function(str){
var top = [email protected]::getAbsoluteTop()();
return top;
}
}-*/;
};
<!doctype html>
<!-- The DOCTYPE declaration above will set the -->
<!-- browser's rendering engine into -->
<!-- "Standards Mode". Replacing this declaration -->
<!-- with a "Quirks Mode" doctype is not supported. -->
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script type="text/javascript" src="uigwt/uigwt.nocache.js"></script>
<script type="text/javascript">
window.onload = function(){
var button = document.getElementById("button1");
button.onclick = function(){
var root = window.getRoot("button1");
var abs = window.callInGwt(root);
alert(abs);
}
}
</script>
</head>
<!-- -->
<!-- The body can have arbitrary html, or -->
<!-- you can leave the body empty if you want -->
<!-- to create a completely dynamic UI. -->
<!-- -->
<body>
<button id="button1">sdfsdf</button>
</body>
</html>