/**
* Returns HTML tags to include all JavaScript files and codes that are required when loading a
* ZUML page (never null).
*
* <p>FUTURE CONSIDERATION: we might generate the inclusion on demand instead of all at once.
*
* @param exec the execution (never null)
* @param wapp the Web application. If null, exec.getDesktop().getWebApp() is used. So you have to
* specify it if the execution is not associated with desktop (a fake execution, such as
* JSP/DSP).
* @param deviceType the device type, such as ajax. If null, exec.getDesktop().getDeviceType() is
* used. So you have to specify it if the execution is not associated with desktop (a fake
* execution).
*/
public static final String outLangJavaScripts(Execution exec, WebApp wapp, String deviceType) {
if (exec.isAsyncUpdate(null) || exec.getAttribute(ATTR_LANG_JS_GENED) != null)
return ""; // nothing to generate
exec.setAttribute(ATTR_LANG_JS_GENED, Boolean.TRUE);
final Desktop desktop = exec.getDesktop();
if (wapp == null) wapp = desktop.getWebApp();
if (deviceType == null) deviceType = desktop != null ? desktop.getDeviceType() : "ajax";
final StringBuffer sb = new StringBuffer(1536);
final Set<JavaScript> jses = new LinkedHashSet<JavaScript>(32);
for (LanguageDefinition langdef : LanguageDefinition.getByDeviceType(deviceType))
jses.addAll(langdef.getJavaScripts());
for (JavaScript js : jses) append(sb, js);
sb.append("\n<!-- ZK ").append(wapp.getVersion());
if (WebApps.getFeature("ee")) sb.append(" EE");
else if (WebApps.getFeature("pe")) sb.append(" PE");
sb.append(' ').append(wapp.getBuild());
Object o = wapp.getAttribute("org.zkoss.zk.ui.notice");
if (o != null) sb.append(o);
sb.append(" -->\n");
int tmout = 0;
final Boolean autoTimeout = getAutomaticTimeout(desktop);
if (autoTimeout != null
? autoTimeout.booleanValue()
: wapp.getConfiguration().isAutomaticTimeout(deviceType)) {
if (desktop != null) {
tmout = desktop.getSession().getMaxInactiveInterval();
} else {
Object req = exec.getNativeRequest();
if (req instanceof HttpServletRequest) {
final HttpSession hsess = ((HttpServletRequest) req).getSession(false);
if (hsess != null) {
final Session sess = SessionsCtrl.getSession(wapp, hsess);
if (sess != null) {
tmout = sess.getMaxInactiveInterval();
} else {
// try configuration first since HttpSession's timeout is set
// when ZK Session is created (so it is not set yet)
// Note: no need to setMaxInactiveInternval here since it will
// be set later or not useful at the end
tmout = wapp.getConfiguration().getSessionMaxInactiveInterval();
if (tmout <= 0) // system default
tmout = hsess.getMaxInactiveInterval();
}
} else tmout = wapp.getConfiguration().getSessionMaxInactiveInterval();
}
}
if (tmout > 0) { // unit: seconds
int extra = tmout / 8;
tmout += extra > 60 ? 60 : extra < 5 ? 5 : extra;
// Add extra seconds to ensure it is really timeout
}
}
final boolean
keepDesktop =
exec.getAttribute(Attributes.NO_CACHE) == null
&& !"page".equals(ExecutionsCtrl.getPageRedrawControl(exec)),
groupingAllowed = isGroupingAllowed(desktop);
final String progressboxPos =
org.zkoss.lang.Library.getProperty("org.zkoss.zul.progressbox.position", "");
if (tmout > 0 || keepDesktop || progressboxPos.length() > 0 || !groupingAllowed) {
sb.append("<script class=\"z-runonce\" type=\"text/javascript\">\nzkopt({");
if (keepDesktop) sb.append("kd:1,");
if (!groupingAllowed) sb.append("gd:1,");
if (tmout > 0) sb.append("to:").append(tmout).append(',');
if (progressboxPos.length() > 0) sb.append("ppos:'").append(progressboxPos).append('\'');
if (sb.charAt(sb.length() - 1) == ',') sb.setLength(sb.length() - 1);
sb.append("});\n</script>");
}
final Device device = Devices.getDevice(deviceType);
String s = device.getEmbedded();
if (s != null) sb.append(s).append('\n');
return sb.toString();
}
