/** * 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(); }