I'll add synchronization, I just need all necessary data in java method (wrapped into CircleEvent, LineEvent etc.) Please also NOTE there should be possible to have read-only mode for whiteboard: user can not draw but can see other people drawings in realtime.
On Sat, Mar 23, 2013 at 11:21 PM, Andun Sameera <andun...@gmail.com> wrote: > Hi Maxim, > > Thank you for highlighting this important point(About Synchronizing > drawing with all the viewers of Whiteboard) which I should know. I > will point out the things which I understood for verification, > > - Whiteboard component have functionalities like draw Circle ,Line etc. > - There should be methods like onCircleDraw/onLineDraw etc. which will > be executed after each particular event happens. > - The user of the Whiteboard component can use these functions for a > task by overriding them or can leave them. > - Here in this particular scenario in OpenMeetings, we have to > implement a logic in these functions to sync drawing with viewers. > > I am bit confused on the last point. What can be useful technologies > to do this drawing synchronization? Is there a implementation in > current Flash/Openlaszlo, which I can refer ? I am new to that area > and have no clue. > > Thank You! > > Regards > > Andun S.L. Gunawardana > Undergraduate > Department of Computer Science And Engineering > University of Moratuwa, Sri Lanka > > Linked In - http://lk.linkedin.com/pub/andun-s-l-gunawardana/34/646/703/ > Blog - http://www.insightforfuture.blogspot.com/ > > On Sat, Mar 23, 2013 at 8:22 PM, Maxim Solodovnik <solomax...@gmail.com> > wrote: > > > > Hello Andun, > > > > I'll try to answer some of your questions: > > my idea was > > 1) full featuring JS module: jquery.whiteboard.js able to do all > drawings necessary (the best if it can do some other things like put images > on desktop etc.) > > 2) Wicket component looking as whiteboard :) with event handlers like: > line/circle/curve coordinates etc. so we can synchronize whiteboards of all > room users > > > > good example is: wicket-jquery-ui-dialog: > > > > so you can write something like: > > > > Whiteboard w = new Whiteboard("wb") { > > public onCircle(CircleEvent evt, AjaxRequestTarget target) { > > //handle circle creation here > > } > > > > ....... etc. > > > > } > > > > please let me know if you have further questions > > > > > > On Sat, Mar 23, 2013 at 9:22 PM, Andun Sameera <andun...@gmail.com> > wrote: > >> > >> Hi Alexi, > >> > >> It is MIT. Maxim has mentioned that it is compatible with Openmeetins. > >> > >> Thanks! > >> Andun > >> > >> On Mar 23, 2013 7:47 PM, "Alexei Fedotov" <alexei.fedo...@gmail.com> > wrote: > >>> > >>> Excuse my mobile and thus non-omniscent presence. What is KinectJS > license? > >>> > >>> 23.03.2013 11:01 пользователь "Andun Sameera" <andun...@gmail.com> > написал: > >>>> > >>>> Hi All, > >>>> > >>>> I like to add another question! I have further developed my sample app > >>>> with Wickets/KineticJS library to draw shapes etc. I have attached a > >>>> screen shot of that here with. The point where I got confused is this, > >>>> > >>>> Doing some reading about KineticJS library, I found that all of the > >>>> Whiteboard functionalities can be implemented using that some how. But > >>>> most of the core functionality of that implementation comes from > >>>> JavaScript. The involvement of Wickets Java based HTML is less. Only > >>>> thing Wickets do is loading the script and some div tags in to the > >>>> page. After that all the execution goes via JavaScript.(Basically in > >>>> the example https://github.com/sebfz1/wicket-jquery-ui most of the > >>>> coded are coming from Wickets Java based implementation. In the HTML > >>>> only thing it do is loading the Wicket Java file.) So it is normal ? > >>>> Or do I have to take a another approach to think about this? > >>>> > >>>> Thank You! > >>>> > >>>> Regards > >>>> > >>>> Andun S.L. Gunawardana > >>>> Undergraduate > >>>> Department of Computer Science And Engineering > >>>> University of Moratuwa, Sri Lanka > >>>> > >>>> Linked In - > http://lk.linkedin.com/pub/andun-s-l-gunawardana/34/646/703/ > >>>> Blog - http://www.insightforfuture.blogspot.com/ > >>>> > >>>> > >>>> On Fri, Mar 22, 2013 at 10:38 PM, Andun Sameera <andun...@gmail.com> > wrote: > >>>> > Hi All, > >>>> > > >>>> > After reading some material on Apache Wickets/KineticJS I have > created > >>>> > a small webapp. In that we can draw rectangles on a fixed area. I > have > >>>> > attached the source code and a screen-shot of that with this mail. > >>>> > > >>>> > But I have some queries which need some clarification. I have looked > >>>> > at the https://github.com/sebfz1/wicket-jquery-ui which Maxim gave > me > >>>> > as a example to create the new Standalone Whiteboard Component. > What I > >>>> > understood after looking at that is, > >>>> > > >>>> > -There are a separate modules which holds some functionalities to > add > >>>> > a Calender,JQuery UI kind of thing to a Wicket page. > >>>> > -The sample site is built using that modules. > >>>> > > >>>> > So in our Whiteboard implementation, what we have to do is create > such > >>>> > a module where it can be used to put a Whiteboard to a Wickets page. > >>>> > Did I interpret the requirement correctly ? > >>>> > > >>>> > Also here in my sample app, I have put all the JavaScript deals to > the > >>>> > HTML in the usual way to test purpose. But planning to change that > to > >>>> > a generic way, which can be further developed to a Standalone Wicket > >>>> > Component. > >>>> > > >>>> > Thank You! > >>>> > > >>>> > Regards > >>>> > > >>>> > Andun S.L. Gunawardana > >>>> > Undergraduate > >>>> > Department of Computer Science And Engineering > >>>> > University of Moratuwa, Sri Lanka > >>>> > > >>>> > Linked In - > http://lk.linkedin.com/pub/andun-s-l-gunawardana/34/646/703/ > >>>> > Blog - http://www.insightforfuture.blogspot.com/ > >>>> > > >>>> > > >>>> > On Thu, Mar 21, 2013 at 11:43 AM, Andun Sameera <andun...@gmail.com> > wrote: > >>>> >> > >>>> >> Hi All, > >>>> >> > >>>> >> I got the point which you are highlighting. So what I have to do > is this, > >>>> >> > >>>> >> Do experiments with Wickets,HTML5, JQuery Libraries and find a way > to > >>>> >> implement the Whiteboard. > >>>> >> Follow the best practices to make this implementation a modularised > >>>> >> one, which will exposes Whiteboard via a API. > >>>> >> > >>>> >> Thank You! > >>>> >> > >>>> >> Regards > >>>> >> > >>>> >> Andun S.L. Gunawardana > >>>> >> Undergraduate > >>>> >> Department of Computer Science And Engineering > >>>> >> University of Moratuwa, Sri Lanka > >>>> >> > >>>> >> Linked In - > http://lk.linkedin.com/pub/andun-s-l-gunawardana/34/646/703/ > >>>> >> Blog - http://www.insightforfuture.blogspot.com/ > >>>> >> > >>>> >> On Thu, Mar 21, 2013 at 11:30 AM, Maxim Solodovnik < > solomax...@gmail.com> wrote: > >>>> >> > > >>>> >> > Here is the example of wrapping jQuery UI and fullcalendar into > Wicket > >>>> >> > component > >>>> >> > > >>>> >> > https://github.com/sebfz1/wicket-jquery-ui > >>>> >> > > >>>> >> > > >>>> >> > On Thu, Mar 21, 2013 at 12:58 PM, Maxim Solodovnik < > solomax...@gmail.com>wrote: > >>>> >> > > >>>> >> > > So it should be APL/GPLv3/MIT licenced jQuery based library > with all > >>>> >> > > necessary handlers wrapped with Wicket component/behavior. > >>>> >> > > > >>>> >> > > > >>>> >> > > On Thu, Mar 21, 2013 at 12:56 PM, Alexei Fedotov < > alexei.fedo...@gmail.com > >>>> >> > > > wrote: > >>>> >> > > > >>>> >> > >> Perfectly right! > >>>> >> > >> 21.03.2013 9:42 пользователь "Andun Sameera" < > andun...@gmail.com> > >>>> >> > >> написал: > >>>> >> > >> > >>>> >> > >>> Hi Alexei, > >>>> >> > >>> > >>>> >> > >>> What I understood from your comment is this, > >>>> >> > >>> > >>>> >> > >>> - Currently the Whiteboard component is tightly coupled > with the Room > >>>> >> > >>> > >>>> >> > >>> components etc. And that is not good. > >>>> >> > >>> - So we have to focus to keep the Whiteboard component as > a separate > >>>> >> > >>> one > >>>> >> > >>> > >>>> >> > >>> in the implementation so this can be reused. > >>>> >> > >>> > >>>> >> > >>> Please correct me if I am wrong! > >>>> >> > >>> > >>>> >> > >>> Thank you! > >>>> >> > >>> > >>>> >> > >>> Regards > >>>> >> > >>> > >>>> >> > >>> Andun S.L. Gunawardana > >>>> >> > >>> Undergraduate > >>>> >> > >>> Department of Computer Science And Engineering > >>>> >> > >>> > >>>> >> > >>> University of Moratuwa, Sri Lanka > >>>> >> > >>> > >>>> >> > >>> Mobile - +94772019246 > >>>> >> > >>> Home - +94412253032 > >>>> >> > >>> [image: Facebook]< > >>>> >> > >>> > http://s.wisestamp.com/links?url=http%3A%2F%2Fwww.facebook.com%2Fandunslg > >>>> >> > >>> > > >>>> >> > >>> [image: > >>>> >> > >>> Twitter]< > >>>> >> > >>> > http://s.wisestamp.com/links?url=http%3A%2F%2Ftwitter.com%2FAndunSLG> > >>>> >> > >>> [image: > >>>> >> > >>> LinkedIn]< > >>>> >> > >>> > http://s.wisestamp.com/links?url=http%3A%2F%2Fwww.linkedin.com%2Fpub%2Fandun-s-l-gunawardana%2F34%2F646%2F703 > >>>> >> > >>> > > >>>> >> > >>> > >>>> >> > >>> Contact me: [image: Google Talk] AndunSLG [image: Skype] > AndunSLG > >>>> >> > >>> Want a signature like mine? > >>>> >> > >>> < > >>>> >> > >>> > http://s.wisestamp.com/links?url=http%3A%2F%2Fr1.wisestamp.com%2Fr%2Flanding%3Fpromo%3D21%26dest%3Dhttp%253A%252F%252Fwww.wisestamp.com%252Femail-install%253Futm_source%253Dextension%2526utm_medium%253Demail%2526utm_campaign%253Dpromo_21 > >>>> >> > >>> > > >>>> >> > >>> CLICK > >>>> >> > >>> HERE.< > >>>> >> > >>> > http://s.wisestamp.com/links?url=http%3A%2F%2Fr1.wisestamp.com%2Fr%2Flanding%3Fpromo%3D21%26dest%3Dhttp%253A%252F%252Fwww.wisestamp.com%252Femail-install%253Futm_source%253Dextension%2526utm_medium%253Demail%2526utm_campaign%253Dpromo_21 > >>>> >> > >>> > > >>>> >> > >>> > >>>> >> > >>> > >>>> >> > >>> > >>>> >> > >>> > >>>> >> > >>> On Thu, Mar 21, 2013 at 1:26 AM, Alexei Fedotov < > >>>> >> > >>> alexei.fedo...@gmail.com>wrote: > >>>> >> > >>> > >>>> >> > >>> > Andun Sameera, nice to meet you. > >>>> >> > >>> > > >>>> >> > >>> > I like the project and have a note. Keep in mind that > there is no free > >>>> >> > >>> > whiteboard component. It would be nice to have it modular > so other > >>>> >> > >>> products > >>>> >> > >>> > and even competing ones can use it. > >>>> >> > >>> > 20.03.2013 15:37 пользователь "Andun Sameera" < > andun...@gmail.com> > >>>> >> > >>> > написал: > >>>> >> > >>> > > >>>> >> > >>> > > Hi Devs, > >>>> >> > >>> > > > >>>> >> > >>> > > I am Andun Sameera. These days I am working with > >>>> >> > >>> > > https://issues.apache.org/jira/browse/OPENMEETINGS-551GSOC > >>>> >> > >>> > > related > >>>> >> > >>> > > Issue. We had lot of discussions and decisions related > to this > >>>> >> > >>> > > project. I am moving that discussion to the mailing list > today > >>>> >> > >>> > > onwards. I will list some important points first, > >>>> >> > >>> > > > >>>> >> > >>> > > - Our main goal is to implement the basic > functionalities of > >>>> >> > >>> > > Whiteboard using HTML5 and Apache Wicket. Those basic > functionalities > >>>> >> > >>> > > will be Painting, Draw Line, Draw Shapes, Type Text etc. > Other > >>>> >> > >>> > > functionalities like document importing kind of things > are done in > >>>> >> > >>> > > separate project. > >>>> >> > >>> > > > >>>> >> > >>> > > - In the current code-base the the parent component of > the > >>>> >> > >>> Whiteboard, > >>>> >> > >>> > > the Room component is not implemented yet. Maxim is > going to > >>>> >> > >>> implement > >>>> >> > >>> > > that after this release cycle is over. After that we > have the space > >>>> >> > >>> to > >>>> >> > >>> > > plug the Whiteboard In. > >>>> >> > >>> > > > >>>> >> > >>> > > - We have discussed to implement the Whiteboard using a > Canvas and a > >>>> >> > >>> > > Javascript Library on top of Wickets. > >>>> >> > >>> > > > >>>> >> > >>> > > - After some work and reading I have found that > >>>> >> > >>> http://kineticjs.com/ > >>>> >> > >>> > > is a good library for the above task. Also it is > compatible with > >>>> >> > >>> > > Apache Licences. > >>>> >> > >>> > > > >>>> >> > >>> > > These days I am working with kineticjs to do a POC. Your > ideas are > >>>> >> > >>> > > welcomed in this discussion! > >>>> >> > >>> > > > >>>> >> > >>> > > > >>>> >> > >>> > > > >>>> >> > >>> > > Also I like to introduce my self, I am a final year > undergraduate of > >>>> >> > >>> > > Department of Computer Science & Engineering, University > Of Moratuwa > >>>> >> > >>> > > who is willing to participate in GSOC 2013. I had lot of > experiences > >>>> >> > >>> > > using and developing Apache Software Foundation > projects. I had the > >>>> >> > >>> > > chance to complete my software engineering internship at > WSO2 Lanka > >>>> >> > >>> > > Pvt Ltd (www.wso2.com), which is a leading middle-ware > solutions > >>>> >> > >>> > > development company. Since they are using most of the > Apache projects > >>>> >> > >>> > > to build there solutions, I had many chances to get a > good exposure > >>>> >> > >>> to > >>>> >> > >>> > > the projects and there code-bases. Specially I had the > chance to > >>>> >> > >>> work > >>>> >> > >>> > > with Synapse, Axis2, AXIOM, Tomcat, CXF, Tiles etc. Here > are some > >>>> >> > >>> > > important projects I did, > >>>> >> > >>> > > > >>>> >> > >>> > > - Streaming XPath Parser for WSO2 ESB which is built on > top of > >>>> >> > >>> Synapse > >>>> >> > >>> > > ESB. ( > >>>> >> > >>> > http://wso2.org/library/articles/2013/01/streaming-xpath-parser- > >>>> >> > >>> > > wso2-esb) This implementation provides a high > performance XPath > >>>> >> > >>> parser > >>>> >> > >>> > > to the Synapse ESB which is the core of WSO2 ESB. > >>>> >> > >>> > > > >>>> >> > >>> > > - Improving the performance of XSLT Transformation > mediator of WSO2 > >>>> >> > >>> > > ESB using data streams. > >>>> >> > >>> > > > >>>> >> > >>> > > - Implementing a Entitlement Servlet Filter for WSO2 > Application > >>>> >> > >>> > > Server which is built on top of AXIS2 > >>>> >> > >>> > > ( > >>>> >> > >>> > > > >>>> >> > >>> > > >>>> >> > >>> > http://wso2.org/library/tutorials/2012/12/providing-xacml-fine-grained-authorization-webapps > >>>> >> > >>> > > ) > >>>> >> > >>> > > > >>>> >> > >>> > > - Creating and On-Line portal to mange Patches provided > to code in > >>>> >> > >>> > > WSO2. This was built on top of JIRA and WSO2 Governance > Registry. > >>>> >> > >>> > > > >>>> >> > >>> > > All of the theses projects have their own UI parts. So I > had to work > >>>> >> > >>> > > with JSP, JQuery, JavaScript, AJAX and Apache Tiles a > lot. > >>>> >> > >>> > > > >>>> >> > >>> > > You can find more about my other project and works from > my LinkedIn > >>>> >> > >>> > > profile - > >>>> >> > >>> http://lk.linkedin.com/pub/andun-s-l-gunawardana/34/646/703/ > >>>> >> > >>> > > or from my blog > http://www.insightforfuture.blogspot.com/ > >>>> >> > >>> > > > >>>> >> > >>> > > Thank You! > >>>> >> > >>> > > > >>>> >> > >>> > > Regards > >>>> >> > >>> > > > >>>> >> > >>> > > Andun S.L. Gunawardana > >>>> >> > >>> > > Undergraduate > >>>> >> > >>> > > Department of Computer Science And Engineering > >>>> >> > >>> > > University of Moratuwa, Sri Lanka > >>>> >> > >>> > > > >>>> >> > >>> > > >>>> >> > >>> > >>>> >> > >> > >>>> >> > > > >>>> >> > > > >>>> >> > > -- > >>>> >> > > WBR > >>>> >> > > Maxim aka solomax > >>>> >> > > > >>>> >> > > >>>> >> > > >>>> >> > > >>>> >> > -- > >>>> >> > WBR > >>>> >> > Maxim aka solomax > > > > > > > > > > -- > > WBR > > Maxim aka solomax > -- WBR Maxim aka solomax
