HI Ian I tried Your example it is working very fast. but when i implement same in my application it is taking 2 sec delay... When i checked it in debug mode, In some file DeferredCommand checking while condition. It is executed until execute method is finished I guess that is taking time...
thank you On Jul 8, 5:28 pm, Ian Bambury <[email protected]> wrote: > I can only imagine that something is executing and causing the delay. In > hosted mode, the code below is slow enough to let me see the first popup > ('Close 1') momentarily, but compiled (and run in Chrome) it's too fast to > see, 'Close 2'. is all I see until I click the button to close it. When you > click the 'Show Popup' button, it shows Close-1 and then in a deferred > command, Close-2. > If you put this in a blank project, do you still get a 1-2 sec delay? > > import com.google.gwt.core.client.EntryPoint; > import com.google.gwt.event.dom.client.ClickEvent; > import com.google.gwt.event.dom.client.ClickHandler; > import com.google.gwt.user.client.Command; > import com.google.gwt.user.client.DeferredCommand; > import com.google.gwt.user.client.ui.Button; > import com.google.gwt.user.client.ui.PopupPanel; > import com.google.gwt.user.client.ui.RootPanel; > > public class Main implements EntryPoint > { > > public void onModuleLoad() > { > final PopupPanel p1 = new PopupPanel(false, false); > p1.add(new Button("Close 1", new ClickHandler() > { > @Override > public void onClick(ClickEvent event) > { > p1.hide(); > } > })); > RootPanel.get().add(new Button("Show Popup", new ClickHandler() > { > > @Override > public void onClick(ClickEvent event) > { > p1.center(); > DeferredCommand.addCommand(new Command() > { > @Override > public void execute() > { > final PopupPanel p2 = new PopupPanel(false, false); > p2.add(new Button("Close 2", new ClickHandler() > { > @Override > public void onClick(ClickEvent event) > { > p2.hide(); > } > })); > p2.center(); > } > }); > } > })); > } > > } > > Ian > > http://examples.roughian.com > > 2009/7/9 rohan <[email protected]> > > > > > Hi Ian, > > > I have Implemented the same thing, while testing the application I > > found it was delaying about 1 or 2 sec. > > To show the popup show & hide takes about 1 or 2 secs. I have to show > > the same Popup in several places. It may cause performance issue. > > Is there any better way to do this???? > > > Thanks > > Rohan > > > On Jul 8, 2:33 pm, Ian Bambury <[email protected]> wrote: > > > I think the Deferred command is actually a timer set to 1ms, so 1ms is > > > added. > > > Also it will run after everything else that has been queued so far. This > > > means that other deferred commands issued so far will run first, and also > > > that any RPC/Requestbuilder requests that have been issued *might* have > > > returned in the meantime. > > > > Other than that, actual performance isn't compromised, and the > > *perceived* > > > response time (by the user) is vastly improved :-) > > > > Ian > > > >http://examples.roughian.com > > > > 2009/7/8 rohan <[email protected]> > > > > > Thanks Ian Bambury > > > > > It is working fine,...is it effects the performance ????? > > > > > --Subbu > > > > > On Jul 8, 11:50 am, rohan <[email protected]> wrote: > > > > > In my situation the code is in If block > > > > > if( true) { > > > > > popup.show(); > > > > > store.load() // it takes 5-6 sec. > > > > > // It is sequence of steps like server calls, developing front end, > > > > > other processing. > > > > > popup.hide();} > > > > > > If i execute it like this popup is not shown because popup.show & > > hide > > > > > both are executing at a time. > > > > > I removed popup.hide() to know whether popup is shown or not? It is > > > > > showing popup after completion of all the process it shows popup. > > > > > ( after execution of IF block) > > > > > How handle this situation???/ > > > > > Thanks > > > > > Rohan > > > > > > On Jul 8, 10:42 am, Mikhail M <[email protected]> wrote: > > > > > > > I suppose you should use listeners. And call method popup.hide(); > > in > > > > right > > > > > > place > > > > > > For example > > > > > > popup.show(); > > > > > > store.load() // it takes 5-6 sec. > > > > > > popup.hide(); > > > > > > INCORRECT > > > > > > > but > > > > > > popup.show(); > > > > > > store.addListener(new StoreListenerAdapter() { > > > > > > @Override > > > > > > onLoad() { > > > > > > popup.hide(); > > > > > > }}); > > > > > > > works properly > > > > > > > Check your source code once more and use listeners > > > > > > > 2009/7/8 rohan <[email protected]> > > > > > > > > I am showing transparent screen using a popup. > > > > > > > > On an onclick event of a button Iam showing a popup in an ‘if’ > > block, > > > > > > > but the popup is only shown when if returns from the if block, > > why it > > > > > > > behaves like this? Is there any other way to show a popup in an > > ‘if’ > > > > > > > block? > > > > > > > > Below is the code > > > > > > > > if(Condition){ > > > > > > > popup.show(); > > > > > > > do some work;//// it takes 5-6 sec. This time my screen is > > blocked > > > > > > > with popup > > > > > > > popup.hide(); > > > > > > > > } > > > > > > > > But it is not working, If i remove popup.hide(), popup is shown > > after > > > > > > > the IF block executed. So at that time it is useless > > > > > > > > Can any one help me in this. > > > > > > > > Thanks > > > > > > > Rohan > > > > > > > -- > > > > > > Best wishes > > > > > > Mikhail Mamaev --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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