// check for dirty child components in the component tree
Command co = handleDirties();
//DUMP FOR EACH CLICK THE CURRENT JumpInPath -> for later usage and debugging.
//System.err.println("V^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^V");
WindowControl current = (WindowControl)wbackofficeImpl.getWindow().getAttribute("BUSPATH");
//System.err.println(current != null ? JumpInManager.getRestJumpInUri(current.getBusinessControl()) : "NONE");
//System.err.println("T^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^T");
wbackofficeImpl.fireCycleEvent(AFTER_INLINE_RENDERING);
if (co != null) { // see method handleDirties for the rare case of co == null even if there are dirty components;
wbackofficeImpl.sendCommandTo(co);
}
}
}
} else { // not inline
if(!validForDispatching){
// not valid: fire oldtimestamp event
fireEvent(ureq, OLDTIMESTAMPCALL);
}
// not inline, new mediaresource
// send it to the parent window (e.g. an excel download, but could also be a 302 redirect)
// if the browser has e.g. pdf configured to be displayed inline, we want it to fill the whole area (self window), not the hidden iframe.
// the same for 302.
// -> send a command which offers a new location for the main window.
// create a mapper which maps this mediaresource, and serves it once only
MediaResourceMapper extMRM = new MediaResourceMapper();
extMRM.setMediaResource(mmr);
//FIXME:fj:b deregister old mapper, or reuse current one
String res = MapperRegistry.getInstanceFor(ureq.getUserSession()).register(extMRM)+"/";
// e.g. res = /olat/m/10001/
Command rmrcom = CommandFactory.createParentRedirectForExternalResource(res);
wbackofficeImpl.sendCommandTo(rmrcom);
}
} else { // not dispatched
Tracing.logDebug("Found a valid timestamp but could not dispatch to component: ureq.compid:"+ureq.getComponentID()+" ureq.win-ts:"+ureq.getTimestampID()+" ureq.comp-ts:"+ureq.getComponentTimestamp() + " target.timestamp:" + target.getTimestamp() + " target=" + target, this.getClass());
String reRenderUri = buildURIFor(this, timestampID, null);
Command rmrcom = CommandFactory.createParentRedirectTo(reRenderUri);
wbackofficeImpl.sendCommandTo(rmrcom);
}
MediaResource jsonmr = wbackofficeImpl.extractCommands(true);
ServletUtil.serveResource(request, response, jsonmr);
} catch (Throwable th) {
// in any case, try to inform the user appropriately.
// a) error while dispatching (e.g. db problem, npe, ...)
// b) for inline: error while validating or json-rendering dirty components.
// since an error has occured for a request which is targeted in the background iframe, we need to redirect to the error window.
// create the error window
try {
Tracing.logDebug("Error in Window, rollback", getClass());
DBFactory.getInstance().rollback();
ChiefController msgcc = MsgFactory.createMessageChiefController(ureq, th);
Window errWindow = msgcc.getWindow();
// register window
Windows.getWindows(ureq).registerWindow(errWindow);
// redirect to the error window
String newWinUri = buildRenderOnlyURIFor(errWindow);
Command rmrcom = CommandFactory.createParentRedirectTo(newWinUri);
wbackofficeImpl.sendCommandTo(rmrcom);
MediaResource jsonmr = wbackofficeImpl.extractCommands(true);
ServletUtil.serveResource(request, response, jsonmr);
} catch (Throwable anotherTh) {
Tracing.logError("Exception while handling exception!!!!", anotherTh, this.getClass());
}
}
return;
}
}
// -------------------------
// ----- standard mode -----
// -------------------------
if (renderOnly || timestampID == null) {
inline = true;
validate = true;
} else if (validatingCausedRerendering && timestampID.equals("-1")) {
// the first request after the 302 redirect cause by a component validation
// -> just rerender, but clear the flag for further async media requests
validatingCausedRerendering = false;
inline = true;
validate = false; // no need to revalidate right now
checkNewWindow = false;
dispatch = false;
} else {
// [POST: !renderOnly && timestampID != null]
// if we had a inline rendering at least once (latestTimestamp is
// set), then check for an old timestamp
//System.out.println("dispatch normal: compid:"+ureq.getComponentID()+" win-ts:"+ureq.getTimestampID()+" comp-ts:"+ureq.getComponentTimestamp());
if (latestTimestamp != null && !timestampID.equals(latestTimestamp)) {
// this is not a link from the latest rendering, but from a previous
// one, since it has a wrong timestamp parameter -> check for
// asynchronous media
if (asyncMediaResponsible == null) { // no async resp.
// assume it to be a link from an old window (using browser back or
// "open in new
// window/tab" in the browser).
if ((componentID != null && componentID.equals("-1")) || (ureq.getParameter("o_winrndo") != null)) {
// just rerender
} else {
// not a valid timestamp -> most likely a browser back or forward event (or a copy/paste of a url) ->
// fire event to listening chiefcontroller
fireEvent(ureq, OLDTIMESTAMPCALL);
/*
*
* REVIEW:PB: this will be the code allowing back forward navigation
* ---->
// look at the timestamps more thoroughly.
if (!timestampID.equals("-1")) {
int diff = findInHistory(ureq);
// diff == 0 -> reload (->ignore, so it will cause a simple rerendering)
// diff < 0 -> browser-back
// diff > 0 -> browser-forward
//System.out.println("!!!!(normal) back: diff "+diff);
wbackofficeImpl.browserBackOrForward(ureq, diff);
} // else a 302 redirect of the main window -> simply rerender
if (ureq.getComponentID() != null) {
//System.out.println("normal: compid:"+ureq.getComponentID()+" win-ts:"+ureq.getTimestampID()+" comp-ts:"+ureq.getComponentTimestamp());
} else {
//System.out.println("special url - no component part (e.g. 302 redirect because of new req. js / css) compid:"+ureq.getComponentID()+" win-ts:"+ureq.getTimestampID()+" comp-ts:"+ureq.getComponentTimestamp());
}
validate = true;
<------------- */
}
// just rerender current window
inline = true;
// do not increment timestamp so that e.g. url in a iframe remain valid
incTimestamp = false;
} else {
// some component will take care of it for the moment, so be it
mr = asyncMediaResponsible.getAsyncMediaResource(ureq);
if (mr == null) { // indicates inline rendering
inline = true;
checkNewWindow = true; // an inline rendered async link should be
// able to produce a new window
validate = true;
} else { // serve the resource.
// all flags remain at their default value
}
}
} else {
// latestTimestamp == null || timestampID.equals(latestTimestamp)
dispatch = true;
checkNewWindow = true;
validate = true;
}
}
// end of simple flagging.
long dstart = 0;
if (isDebugLog) {
dstart = System.currentTimeMillis();
long syncIntroDiff = dstart - debug_start;
debugMsg.append("sync_bdisp:").append(syncIntroDiff).append(LOG_SEPARATOR);
}
if (dispatch) {
boolean didDispatch = doDispatchToComponent(ureq, debugMsg);
if (isDebugLog) {
long dstop = System.currentTimeMillis();
long diff = dstop - dstart;
debugMsg.append("disp_comp:").append(diff).append(LOG_SEPARATOR);
//Tracing.logDebug("componentdispatchtime: " + (dstop - dstart), Window.class);
}
if (didDispatch) { // the component with the given id was found
mr = ureq.getDispatchResult().getResultingMediaResource();
if (mr == null) {
inline = true;
} else {
inline = false;
}
} else {
// component with id was not found -> probably asynchronous thread changed flow ->
// just rerender
inline = true;
dispatch = false;
checkNewWindow = false;
validate = true;
}
}
if (checkNewWindow) {
Window resWindow = ureq.getDispatchResult().getResultingWindow();
if (resWindow != null) {
// register it first, if not done before
Windows ws = Windows.getWindows(ureq);
if (!ws.isRegistered(resWindow)) {
resWindow.setUriPrefix(uriPrefix);
ws.registerWindow(resWindow);
}
// render initial state of new window by redirecting (302) to the new
// window id. needed for asyncronous data like images loaded
// todo maybe better delegate window registry to the windowbackoffice?
URLBuilder ubu = new URLBuilder(uriPrefix, resWindow.getInstanceId(), String.valueOf(resWindow.timestamp), resWindow.wbackofficeImpl);
StringOutput sout = new StringOutput(30);
ubu.buildURI(sout, null, null);
mr = new RedirectMediaResource(sout.toString());
ServletUtil.serveResource(request, response, mr);
if (isDebugLog) {
long diff = System.currentTimeMillis() - debug_start;
debugMsg.append("rdirnw:").append(diff).append(LOG_SEPARATOR);
Tracing.logDebug(debugMsg.toString(), Window.class);
}
return;
}
}
if (inline) {
// do inline rendering.
Container top = getContentPane();
// validate prior to rendering, but only if the timestamp was not null
// /
// the component just got dispatched
if (validate) { // do not validate if a previous validate lead to a
// redirect; validating makes no sense here
//long t1 = System.currentTimeMillis();
ValidatingVisitor vv = new ValidatingVisitor(gsettings, jsAndCssAdder);
ComponentTraverser ct = new ComponentTraverser(vv, top, false);
ct.visitAll(ureq);
wbackofficeImpl.fireCycleEvent(Window.AFTER_VALIDATING);
ValidationResult vr = vv.getValidationResult();
String newModUri = vr.getNewModuleURI();
vr.getJsAndCSSAdder().finishAndCheckChange(); // ignore the return value since we are just about rendering anyway
if (newModUri != null) {
// send 302 redirect without dispatching, but just rerender
// inline.
// set window id to cur id, timestamp to current timestamp,
// component id to -1 -> indicates rerender
String uri = buildURIForRedirect(newModUri);
MediaResource mrr = new RedirectMediaResource(uri);
// set this only for the first request (the .html request), but clear it afterwards for asyncmedia
validatingCausedRerendering = true;
ServletUtil.serveResource(request, response, mrr);
if (isDebugLog) {
long diff = System.currentTimeMillis() - debug_start;
debugMsg.append("rdirva:").append(diff).append(LOG_SEPARATOR);
Tracing.logDebug(debugMsg.toString(), Window.class);
}
return;
}
}
wbackofficeImpl.fireCycleEvent(BEFORE_INLINE_RENDERING);
String result;
synchronized(render_mutex) { //o_clusterOK by:fj
// render now
if (incTimestamp) timestamp++;
String newTimestamp = String.valueOf(timestamp);
// add the businesscontrol path for bookmarking:
// each url has a part in it (the so called business path), which, in case of an invalid url or invalidated
// session, can be used as a bookmark. that is, urls from our framework are bookmarkable, but require some little
// coding effort: setting an appropriate business path and launching for each controller.
// note: the businesspath may also be used as a easy (but of course not perfect) back-button-solution:
// if the timestamp of a request is outdated, simply jump to its bookmarked business control path.
URLBuilder ubu = new URLBuilder(uriPrefix, getInstanceId(), newTimestamp, wbackofficeImpl);
RenderResult renderResult = new RenderResult();
// if we have an around-component-interception
// set the handler for this render cycle
InterceptHandler interceptHandler = wbackofficeImpl.getInterceptHandler();
if (interceptHandler != null) {
InterceptHandlerInstance dhri = interceptHandler.createInterceptHandlerInstance();
renderResult.setInterceptHandlerRenderInstance(dhri);
}
Renderer fr = Renderer.getInstance(top, top.getTranslator(), ubu, renderResult, gsettings);
long rstart = 0;
if (isDebugLog) {
rstart = System.currentTimeMillis();
}
result = fr.render(top).toString();
if (isDebugLog) {
long rstop = System.currentTimeMillis();
long diff = rstop - rstart;
debugMsg.append("render:").append(diff).append(LOG_SEPARATOR);
}
if (renderResult.getRenderException() != null) throw new OLATRuntimeException(Window.class, renderResult.getLogMsg(),
renderResult.getRenderException());
// after rendering we know if some component awaits further async
// calls
// like images, so get a handler
AsyncMediaResponsible amr = renderResult.getAsyncMediaResponsible();
setAsyncMediaResponsible(amr); // if amr == null -> we are not
// excepting
// any async calls in the near future...
latestTimestamp = newTimestamp;
}
if (isDebugLog) {
long diff = System.currentTimeMillis() - debug_start;
debugMsg.append("inl_comp:").append(diff).append(LOG_SEPARATOR);
}
//DUMP FOR EACH CLICK THE CURRENT JumpInPath -> for later usage and debugging.
//System.err.println("VV^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^VV");
WindowControl current = (WindowControl)wbackofficeImpl.getWindow().getAttribute("BUSPATH");
//System.err.println(current != null ? JumpInManager.getRestJumpInUri(current.getBusinessControl()) : "NONE");
//System.err.println("TT^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^TT");
wbackofficeImpl.fireCycleEvent(AFTER_INLINE_RENDERING);
ServletUtil.serveStringResource(request, response, result);
if (isDebugLog) {