public void afterComponentAttached(Component comp, Page page) {
if (comp.getDesktop() != null) {
// check if this component already binded
Binder selfBinder = BinderUtil.getBinder(comp);
if (selfBinder == null) {
// check if parent exists any binder
Binder parentBinder = BinderUtil.getBinder(comp, true);
// post event to let the binder to handle binding later
if (parentBinder != null && (parentBinder instanceof BinderImpl)) {
// ZK-603, ZK-604, ZK-605
// register internal ON_BIND_INIT event listener to delay the timing of init and loading
// bindings
comp.addEventListener(
10000,
BinderImpl.ON_BIND_INIT,
new EventListener<Event>() {
@Override
public void onEvent(Event event) throws Exception {
final Component comp = event.getTarget();
comp.removeEventListener(BinderImpl.ON_BIND_INIT, this);
// ZK-611 have wrong binding on a removed treecell in a template
// if it was detached, ignore it
if (comp.getPage() == null) {
return;
}
final Binder innerBinder = BinderUtil.getBinder(comp);
if (innerBinder
!= null) { // it was already handled by innerBinder, ignore it
return;
}
// ZK-1640 command send 2 wrong ViewModel
// check if there any parent binder again, don't use out-side parentBinder, it is
// not correct
Binder binder = BinderUtil.getBinder(comp, true);
if (binder == null) {
return;
}
if (binder instanceof AnnotateBinder) {
new AnnotateBinderHelper(binder).initComponentBindings(comp);
}
binder.loadComponent(comp, true);
// [Dennis,20120925], this code was added when fixing issue zk-739,
// but , inside binder.initComponentBindings, it shall do this already, I am not
// sure why.
if (comp.getAttribute(BinderImpl.VAR) != null)
BinderUtil.markHandling(comp, binder);
}
});
// post ON_BIND_INIT event
Events.postEvent(new Event(BinderImpl.ON_BIND_INIT, comp));
}
}
}
}
/*package*/ void registerLoadEvents(Component comp) {
if (isLoadable()) { // bug 1804356
if (_loadWhenEvents != null) {
for (String expr : _loadWhenEvents) {
final Object[] objs = ComponentsCtrl.parseEventExpression(comp, expr, comp, false);
// objs[0] component, objs[1] event name
final Component target = (Component) objs[0];
final String evtname = (String) objs[1];
if (target == null) {
throw new NullPointerException("component not found , expr is " + expr);
}
LoadEventListener listener =
(LoadEventListener) target.getAttribute("zk.LoadEventListener." + evtname);
if (listener == null) {
listener = new LoadEventListener();
target.setAttribute("zk.LoadEventListener." + evtname, listener);
target.addEventListener(1000, evtname, listener);
}
listener.addDataTarget(this, comp);
}
}
if (_loadAfterEvents != null) {
for (String expr : _loadAfterEvents) {
final Object[] objs = ComponentsCtrl.parseEventExpression(comp, expr, comp, false);
// objs[0] component, objs[1] event name
final Component target = (Component) objs[0];
final String evtname = (String) objs[1];
LoadAfterEventListener listener =
(LoadAfterEventListener) target.getAttribute("zk.LoadAfterEventListener." + evtname);
if (listener == null) {
listener = new LoadAfterEventListener();
target.setAttribute("zk.LoadAfterEventListener." + evtname, listener);
target.addEventListener(evtname, listener);
target.addEventListener(evtname + "LoadAfter", listener);
}
listener.addDataTarget(this, comp);
}
}
}
}
/*package*/ void registerSaveEvents(Component comp) {
if (isSavable()) { // bug 1804356
if (_saveWhenEvents != null) {
for (String expr : _saveWhenEvents) {
final Object[] objs = ComponentsCtrl.parseEventExpression(comp, expr, comp, false);
// objs[0] component, objs[1] event name
final Component target = (Component) objs[0];
final String evtname = (String) objs[1];
SaveEventListener listener =
(SaveEventListener) target.getAttribute("zk.SaveEventListener." + evtname);
if (listener == null) {
listener = new SaveEventListener();
target.setAttribute("zk.SaveEventListener." + evtname, listener);
target.addEventListener(1000, evtname, listener);
}
listener.addDataTarget(this, comp);
}
}
if (_saveAfterEvents != null) {
for (final Iterator it = _saveAfterEvents.iterator(); it.hasNext(); ) {
final String expr = (String) it.next();
final Object[] objs = ComponentsCtrl.parseEventExpression(comp, expr, comp, false);
// objs[0] component, objs[1] event name
final Component target = (Component) objs[0];
final String evtname = (String) objs[1];
SaveAfterEventListener listener =
(SaveAfterEventListener) target.getAttribute("zk.SaveAfterEventListener." + evtname);
if (listener == null) {
listener = new SaveAfterEventListener();
target.setAttribute("zk.SaveAfterEventListener." + evtname, listener);
target.addEventListener(evtname, listener);
target.addEventListener(evtname + "SaveAfter", listener);
}
listener.addDataTarget(this, comp);
}
}
}
}
public DesktopEventQueue() {
_dummyTarget.addEventListener(ON_QUEUE, new QueueListener());
}
public void afterComponentAttached(Component comp, Page page) {
if (comp.getDesktop() != null) {
// check if this component already binded
Binder selfBinder = BinderUtil.getBinder(comp);
if (selfBinder == null) {
// check if parent exists any binder
Binder parentBinder = BinderUtil.getBinder(comp, true);
// post event to let the binder to handle binding later
if (parentBinder != null && (parentBinder instanceof BinderImpl)) {
// ZK-603, ZK-604, ZK-605
// register internal ON_BIND_INIT event listener to delay the timing of init and loading
// bindings
comp.addEventListener(
10000,
BinderImpl.ON_BIND_INIT,
new EventListener<Event>() {
public void onEvent(Event event) throws Exception {
final Component comp = event.getTarget();
comp.removeEventListener(BinderImpl.ON_BIND_INIT, this);
// ZK-611 have wrong binding on a removed treecell in a template
// if it was detached, ignore it
if (comp.getPage() == null) {
return;
}
final Binder innerBinder = BinderUtil.getBinder(comp);
if (innerBinder
!= null) { // it was already handled by innerBinder, ignore it
return;
}
// ZK-1640 command send 2 wrong ViewModel
// check if there any parent binder again, don't use out-side parentBinder, it is
// not correct
Binder binder = BinderUtil.getBinder(comp, true);
if (binder == null) {
return;
}
// ZK-1699 Performance issue ZK-Bind getters are called multiple times
// check if it is handling, if yes then skip to evaluate it.
if (getExtension().isLifeCycleHandling(comp)) {
return;
}
if (binder instanceof AnnotateBinder) {
new AnnotateBinderHelper(binder).initComponentBindings(comp);
}
// ZK-1699, mark the comp and it's children are handling.
// note:mark handing before load, because of some load will change(create or
// reset) the children structure
// (consider F00769.zul if you bind to tree open , it will load children in
// loadComponent)
getExtension().markLifeCycleHandling(comp);
binder.loadComponent(comp, true);
// [Dennis,20120925], this code was added when fixing issue zk-739,
// but , inside binder.initComponentBindings, it shall do this already, I am not
// sure why.
if (comp.getAttribute(BinderImpl.VAR) != null)
BinderUtil.markHandling(comp, binder);
}
});
// post ON_BIND_INIT event
Events.postEvent(new Event(BinderImpl.ON_BIND_INIT, comp));
}
}
}
}
