Hi Andrey,
OK will do it like that!
Thanks!
On Wed, Jul 3, 2013 at 11:15 PM, Bogdanov Andrey <ba...@mail.ru> wrote:
> Hi Andun,
>
> Unfortunately I can't help you with wicket-ajax (I'm nit familiar with
> wicket).
> Only one remark about onChange - defining onChange for prototype is not a
> good idea, because whiteboard use two auxilary collections which need not
> to be synchronized. onChange function should be defined only for one main
> collection.
>
> Regards,
> Andrey
>
>
> Среда, 3 июля 2013, 22:50 +05:30 от Andun Sameera <andun...@gmail.com>:
> >Hi,
> >
> >Considering the example which Andrey gave me early, I am planning to do
> >this,
> >
> > - Using the method given below, we can get a JSON string for any update
> > happen in Closure WhiteBoard
> >
> >// to be defined on using of collection
> >bay.whiteboard.Collection.prototype.onChange = function(element){
> > alert(this.getJson(element));
> >}
> >
> > - I will do a Wicket.Ajax call in this JavaScript method to send this
> > JSON string to the Server Side
> > - There I process the string and map it to Java Objects
> > - Then Synchronization happens
> >
> >As the initial step to do that, I am trying to implement a simple,
> >application which can sent JavaScript Ajax calls to Wicket server. I use
> >this article
> >
> https://cwiki.apache.org/confluence/display/WICKET/Calling+Wicket+from+Javascript.
> >I have created the application given below.
> >
> >public class HomePage extends WebPage {
> > private static final long serialVersionUID = 1L;
> >
> > public HomePage(final PageParameters parameters) {
> > super(parameters);
> >
> >
> > final AbstractDefaultAjaxBehavior behave = new
> >AbstractDefaultAjaxBehavior() {
> > protected void respond(final AjaxRequestTarget target) {
> > target.add(new Label("foo", "Yeah I was just called from
> >Javascript!"));
> > }
> >
> > public void renderHead(Component component,IHeaderResponse
> >response){
> >
> > String componentMarkupId = component.getMarkupId();
> > String callbackUrl = getCallbackUrl().toString();
> >
> > response.render(
> >JavaScriptHeaderItem.forScript("var
> >componentMarkupId='"+componentMarkupId+"'; var
> >callbackUrl='"+callbackUrl+"';","values"));
> > }
> > };
> >
> > add(behave);
> >
> > }
> >
> >}
> >
> >and my HomePage.html,
> >
> ><!DOCTYPE HTML>
> ><html>
> ><body>
> ><script src="
> http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js
> >"></script>
> ><script type="text/javascript">
> > $(function() {
> > var wcall = Wicket.Ajax.get({ u: '${callbackUrl}' + '' });
> > alert(wcall);
> > });
> ></script>
> ></body>
> ></html>
> >
> >Still I cant get this to a working position. When I start this
> application,
> >wicket-ajax.js file is not loading. Thus console gives following error,
> >
> >ReferenceError: Wicket is not defined
> >[Break On This Error]
> >
> >var wcall = Wicket.Ajax.get({ u: '${callbackUrl}' + '' });
> >
> >Still cant find why wicket-ajax is not loaded to my application. Will let
> >you know further updates!
> >
> >Thanks!
> >
> >
> >On Tue, Jul 2, 2013 at 2:08 PM, Andun Sameera < andun...@gmail.com >
> wrote:
> >
> >> OK Maxim. Will do it like that!
> >>
> >>
> >> On Tue, Jul 2, 2013 at 2:05 PM, Maxim Solodovnik <
> >> solomax...@gmail.com>wrote:
> >>
> >>> I would totally disagree with
> >>> "At the Wicket Java code we save these elements as Java Objecst which
> >>> contains the JSON strings."
> >>>
> >>> Java objects should contain normal fields like "Point center; int
> >>> radius;" and be (de)serialized (from)into JSON if necessary.
> >>>
> >>>
> >>> On Tue, Jul 2, 2013 at 2:27 PM, Andun Sameera < andun...@gmail.com>wrote:
> >>>
> >>>> Hi Andrey,
> >>>>
> >>>> Great! If you can give me a example for,
> >>>>
> >>>> collection.onChange(element)
> >>>>
> >>>> it will be highly appreciated.
> >>>>
> >>>> @Maxim,
> >>>>
> >>>> After some thinking I cam across of this idea. Please correct me If I
> am
> >>>> wrong.
> >>>>
> >>>> - All the whiteboard elements can be represented as JSON strings
> >>>> (Have to find a way to add PDF,DOCs, Pictures to whiteboard in
> this way)
> >>>> - At the Wicket Java code we save these elements as Java Objecst
> >>>> which contains the JSON strings.
> >>>> - To synchronize white board we can send these object to all the
> >>>> viewers.
> >>>> - To save/load we can use this already implemented JSON based
> >>>> serialization and de-serialization.
> >>>>
> >>>> But have to find ways to get all these data from closure
> implementation
> >>>> to wicket!
> >>>>
> >>>> Thanks!
> >>>> On Tue, Jul 2, 2013 at 11:28 AM, Bogdanov Andrey < ba...@mail.ru >
> wrote:
> >>>>
> >>>>> Hi Andun,
> >>>>>
> >>>>> Whiteboard consists of two main objects: ui-component
> >>>>> "bay.whiteboard.Whiteboard", which contains functionality for user
> >>>>> interaction and collections of objects "bay.whiteboard.Collection"
> which
> >>>>> contains list of objects and some stuff to manipulate them.
> >>>>> After createing WB with
> >>>>> whiteboard = bay.whiteboard.Create();
> >>>>> you could access to collection as
> >>>>> collection = whiteboard.collections.main; or
> >>>>> collection = whiteboard.getMainCollection(); - i've just added this
> >>>>> method
> >>>>>
> >>>>> After that you could define
> >>>>> collection.onChange(element) - method wich will be invoked every
> >>>>> time when some drawing elements add or change.
> >>>>> Also you could use methods:
> >>>>> collection.getJson(element); - to obtain json code for an
> element
> >>>>> collection.jsonCode(); - to obtain json code for whole
> >>>>> collection
> >>>>> collection.acceptJsonStr(str); - to add or change one element
> >>>>> described as json
> >>>>> collection.parseJson(str); - to rebuild all from the given json
> >>>>> string
> >>>>>
> >>>>>
> >>>>> As an example you could explore linkWebSocket method in ui.js, which
> >>>>> allows synchronize wb-content through webSocket
> >>>>>
> >>>>> Regards,
> >>>>> Andrey Bogdanov
> >>>>>
> >>>>> Вторник, 2 июля 2013, 1:25 +05:30 от Andun Sameera <
> andun...@gmail.com
> >>>>> >:
> >>>>>
> >>>>> Hi Andrey,
> >>>>>
> >>>>> I am moving in to this new thread to discuss about the
> clarifications,
> >>>>> improvements and integration of your Whiteboard to wicket. I have
> looked at
> >>>>> your code which can be found https://github.com/bay73/whiteboard .
> I
> >>>>> have following questions,
> >>>>>
> >>>>> - In Wicket, I want map Whiteboard Elements(Rectangle, Circle,
> >>>>> Text, etc.) to Java objects.
> >>>>> - Thus we can send those object to all the Whiteboard viewers.
> >>>>> - Using these objects there Whiteboards will be updated.
> >>>>> - To do that, can I get some data from your code? which can be
> >>>>> later used to create elements. I saw there is a serialization
> methods and
> >>>>> deserilization method in base.js. If we can extend that mechanism
> to give
> >>>>> some data when element is drawn or edited as an event, I can use
> them to
> >>>>> create Java objects.
> >>>>> - Also there should be a mechanism to draw elements on your
> >>>>> Whiteboard by passing those data.
> >>>>>
> >>>>> Can we do these things?
> >>>>>
> >>>>> Thanks!
> >>>>> --
> >>>>> Regards
> >>>>> Andun S.L. Gunawardana
> >>>>> Undergraduate
> >>>>> Department of Computer Science And Engineering
> >>>>> University of Moratuwa
> >>>>> Sri Lanka
> >>>>>
> >>>>> Blog - http://www.insightforfuture.blogspot.com/
> >>>>> LinkedIn -
> http://www.linkedin.com/pub/andun-s-l-gunawardana/34/646/703
> >>>>> Twitter - http://twitter.com/AndunSLG
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Андрей Богданов
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>> Regards
> >>>> Andun S.L. Gunawardana
> >>>> Undergraduate
> >>>> Department of Computer Science And Engineering
> >>>> University of Moratuwa
> >>>> Sri Lanka
> >>>>
> >>>> Blog - http://www.insightforfuture.blogspot.com/
> >>>> LinkedIn -
> http://www.linkedin.com/pub/andun-s-l-gunawardana/34/646/703
> >>>> Twitter - http://twitter.com/AndunSLG
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>>
> >>> --
> >>> WBR
> >>> Maxim aka solomax
> >>>
> >>
> >>
> >>
> >> --
> >> Regards
> >> Andun S.L. Gunawardana
> >> Undergraduate
> >> Department of Computer Science And Engineering
> >> University of Moratuwa
> >> Sri Lanka
> >>
> >> Blog - http://www.insightforfuture.blogspot.com/
> >> LinkedIn -
> http://www.linkedin.com/pub/andun-s-l-gunawardana/34/646/703
> >> Twitter - http://twitter.com/AndunSLG
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> >--
> >Regards
> >Andun S.L. Gunawardana
> >Undergraduate
> >Department of Computer Science And Engineering
> >University of Moratuwa
> >Sri Lanka
> >
> >Blog - http://www.insightforfuture.blogspot.com/
> >LinkedIn - http://www.linkedin.com/pub/andun-s-l-gunawardana/34/646/703
> >Twitter - http://twitter.com/AndunSLG
> >
>
>
> --
> Андрей Богданов
>
--
Regards
Andun S.L. Gunawardana
Undergraduate
Department of Computer Science And Engineering
University of Moratuwa
Sri Lanka
Blog - http://www.insightforfuture.blogspot.com/
LinkedIn - http://www.linkedin.com/pub/andun-s-l-gunawardana/34/646/703
Twitter -http://twitter.com/AndunSLG
