waitForAjax.java

public waitForAjax(WebDriver driver, int timeOutInSeconds) {
	(new WebDriverWait(driver, timeOutInSeconds))
	.until(new ExpectedCondition<Boolean>() {
		public Boolean apply(WebDriver d) {
			return (Boolean) ((JavascriptExecutor) d)
					.executeScript("return !(ExtJSUtil.hasActiveAjaxCalls(Ext.Ajax.requests && !_.isEmpty(Ext.Ajax.requests));");
		}
	});
}