Re: long in GWT 1.5

Yes, I know it, but I thought if I'm using the type Long in the JSNI method it would be ok because the docs says: For values meant to be passed through unchanged to Java code, wrap the value in a Long. On the client side this works, but what do I have to do to send the Long values retrieved from

Re: GWT RIA s ?

Hi Riyaz, Unfortunately, you cannot find all these features in one framework. As Arthur said, there are some things in gwt-incubator. Some others are in GWT-WL, GWT-SL, Ext GWT, gwt-ext, SmartGWT, etc... Examples : gwt-incubator : Logging GWT-SL : Spring integration Ext GWT (this is a lib I use

Re: Waiting on multiple RPC calls

Thats exactly the thing i need!!! Thanks :) On Dec 18, 11:17 pm, Dobes dob...@gmail.com wrote: Hi Stephen, I had a lot of scenarios like this, so I added some utility classes to help.  For example, I have a class called AsyncCallbackGroup which allows you to wait on multiple parallel RPC

Re: Calling of business method from Client

Hi, Yes, it worked as the post by using Frame. Thanks Arul On Dec 18, 10:00 am, gregor greg.power...@googlemail.com wrote: I've never done that, Arul, but I believe displaying a PDF in GWT is straight forward using a Frame widget  (that could be the contents of a pop-up) *providing* the

New release of the GWT project Tatami

Hi We are really excited to announce the release of Tatami v1.3. Visit the homepage to give it a try, see the demos... http://code.google.com/p/tatami/ We will be glad to have your feedback! Not exhaustive change list: - License switched from LGPL only to LGPL or Apache License or BSD - Now

Poor performance for simple query - seems to be in the deserialisation mostly

I have been evaluating GWT but have come up against a problem I cannot solve/understand. I have a little service method that returns a list of 'person data' I am finding that whilst the server side take around zero milli-secs to handle the query (100-200 rows) the client is taking seconds

cannot execute /usr/bin/firefox.

Hi, i tried to run a GWT program using netbeans in Linux , i am getting err like this cannot execute /usr/bin/firefox. check external browser configuration, its the error comes in netbeans I googled and got reference from this web site

Re: Directions load() method error

Yes, the code that is published as a sample app on the public site still works, as does my current project. Can you run the Directions examples at: http://gwt.google.com/samples/HelloMaps-1.0.2/HelloMaps.html Could it be that you are running Directions.load() more than once in parallel? Only

Selection of cells in Flex Table

Hi, We have a flex table and require user to be able to select cells in it. Multiple cells are also to be selected. Once selected we need to do some operation on selected cells like merging them. Is it possible to select cells either by mouse/keyboard. Can someone please guide on how we can

Re: Directions load() method error

I've written 3 new unit tests and have been unable to reproduce the problem from here. On Fri, Dec 19, 2008 at 7:17 AM, Eric Ayers zun...@google.com wrote: Yes, the code that is published as a sample app on the public site still works, as does my current project. Can you run the Directions

refresh problem

Hi every one i have a gridPanel that prints a task.When i open a task this task is opened in the same window:window.open(url,_self,null);i want to return to the previous panel when i click on the button cancel of the new panel and have the old task because when i returned to previous panel i

Re: GWT RIA s ?

So you've assumed responsibility for being the GWT saviour by educating these developers and saving their project? I'm not really assuming any responsibility, I'm just mentioning that there are draw backs to using these libraries. What makes you so qualified? I've had to abandon and

Re: 2 GWT modules on the same HTTP page. How do I distinguish between the Posted values?

Russell, it's kind of hard to understand what you're trying to say. Why don't you just package the values of the ListBoxes in an object and gwt-rpc it to the server? -- Arthur Kalmenson On Thu, Dec 18, 2008 at 11:21 AM, russell rugor...@gmail.com wrote: Hi, I have written a dynamic drop

Re: tomcat deploy failed

don't works :( in the package server we have two servlets...LoginServiceImpl adn ItinerarioSeviceImpl... this is my gwt.xml file .. servlet path=/LoginService class=com.gwt.syncar.server.LoginServiceImpl/ servlet path=/ItinerarioService

Re: Selection of cells in Flex Table

You need to call FlexTable.addTableListener, and so your operations in onCellClicked. Kevin On Fri, Dec 19, 2008 at 9:13 PM, Fameeda fameeda.tamb...@synerzip.comwrote: Hi, We have a flex table and require user to be able to select cells in it. Multiple cells are also to be selected. Once

Re: ImageBundle question

Maybe your code has some issues - how are you trying to display the different images? On 19 Dec, 07:14, alided albert.baranc...@gmail.com wrote: I'm trying to use ImageBundle, but it doesn't work correctly. I put different size images into the bundle and when i try to use image it is always

Re: GWT RIA s ?

Arthur, I see you have put SmartGWT in the JS wrapper camp, is this the case? I haven't heard anything about this library before and had just stumbled across it. Do you have a web site (or something) where we can find out which GWT libraries are pure GWT and okay to use? IMHO, although I know

Re: how can i use external jar in gwt?

Furthermore, keep in mind that it is possible to package existing code in a format that GWT can use (just add a .gwt.xml file that has source tags for where the source is and repackage the jar file). However, you can only use libraries that are being emulated by GWT:

Re: GWT RIA s ?

Hi Dave, I see you have put SmartGWT in the JS wrapper camp, is this the case? I haven't heard anything about this library before and had just stumbled across it. SmartGWT is in fact a JS wrapper of the SmartCient JS library (http://www.smartclient.com/) Do you have a web site (or

Re: GWT RIA s ?

There you go again sounding like a broken record. You really are quite thick headed aren't you? If you take pleasure in constantly dissing other libraries, I'll do the same and reply to your every post saying that you are full of it. Deal? You might make yourself more useful if you try to

Re: GWT RIA s ?

Thanks I will check out gwt-mosaic again. I tried it recently and it couldn't be used because it was compiled with JRE 1.6, I tried recompiling with 1.5 but ran into issues. Hopefully this will be updated soon. -Dave On Fri, Dec 19, 2008 at 7:32 AM, Arthur Kalmenson arthur.k...@gmail.com

Re: Waiting on multiple RPC calls

performance: Are you acquiring handles to three different RPC services for your 3 calls? If yes, you can improve performance by clubbing them into a single call. If you do a little client side profiling, you will realize that creating a async reference on client side is a not a very quick

Re: GWT RIA s ?

Hi Dave, gwt-ext and SmartGWT are wrappers of javascript libraries (respectively ExtJS and SmartClient) Ext GWT (aka gxt) and gwt-mosaic are pure GWT libraries (the former is hosted by ExtJS guys and trying to get the same features as ExtJS, that's why there is Ext in the name). @Riyaz : I

Need for a great GWT GUI library

Hi, I have been using GWT for almost 6 months now. In the past six months, I have tried migrating code from pure GWT to GWT-EXT and then to Smart-GWT. They all have drawback: GWT - no good looking widget GWT-Ext - very buggy and GPL licensing Smart-GWT - slow and memory intensive Is there any

Re: New release of the GWT project Tatami

How does your js loading happen? For example if I need to use just gfx in my application, will tatami load only the gfx related dojo js files? I have not played around with tatami. We use lot of gfx in our application. Will you recommend switching to Tatami... ? Thanks for the release Rakesh

Re: Need for a great GWT GUI library

Here! Here! I'm in a similar boat as you...looking for a good pure GWT library. I don't think you will find anything as complete as SmartGWT in the pure GWT space. However you might take a look at http://code.google.com/p/gwt-mosaic/. It seems to have several nice UI elements and is pure GWT.

Re: MessageBox Image issued

Clear Firefox cache, redeploy the application and request. Thanks, Bakul. On Dec 19, 12:27 am, AMit Pandey amit@gmail.com wrote: Hello I am using the GWT with Ext. when i run the code in firefox i am unable to see the images of Messagebox. that display in gray shade. i also uploaded the

setCookie problem using IE7

I have the following code : Date now = new Date(); long nowLong = now.getTime(); nowLong = nowLong + (1000 * 60 * 60 * 24 * 10);//10 days now.setTime(nowLong); GWT.log(setting a cookie,null); Cookies.setCookie(regio, abc, now); This works no problem in

Re: GWT RIA s ?

Rob, There you go again sounding like a broken record. You really are quite thick headed aren't you? Perhaps instead of attacking _me_, you can point out where I'm wrong? However, AFAIK they're still JSNI bindings and still don't work well with regular GWT widgets or use the GWT event model.

Re: GWT RIA s ?

Rob, I forgot to mention, are you going to attack GWT developers like Sumit Chandel that point GWT-ext and ExtGWT questions to those project's respective mailing lists? -- Arthur Kalmenson On Fri, Dec 19, 2008 at 10:48 AM, Arthur Kalmenson arthur.k...@gmail.com wrote: Rob, There you go

Anchors / Links within a page

Hello everyone ! Just a problem with anchors and IE I've been trying to make a looong GWT page 'navigatable' withih with the classic HTML anchor tag ( something like an index; you'll see it pretty here http://www.echoecho.com/htmllinks08.htm ) Using Peter Blazejewicz code on the forums (

Re: Anchors / Links within a page

/// I don't like to re-post, but here's the complete code of what I'm trying to to */// public class AnchorsPanel extends Composite { private FlowPanel fpLinks; private VerticalPanel verticalPanel; public AnchorsPanel() { verticalPanel = new VerticalPanel();

Re: GWT RIA s ?

Pointing users to the appropriate mailing list is absolutely the right thing to do. Sumit already does a good job with this. It's when you add your own unsolicited and biased spin when pointing to the forum that I take issue with. Like library X has nothing to do with GWT and I think they are

shell fails loading

Hi, Shell is not starting properly. And when tried viewing in hosted browser throws HTTP 400 - Bad request page not found error. It was actually working fine till earlier part of the day... Please help me in resolving the issue. Thanks in Advance ArunDhaJ www.arundhaj.com

Re: setCookie problem using IE7

This same code is working for me in IE7. Is it possible that IE is setup to block cookies? On Dec 19, 10:43 am, frank.wyna...@gmail.com frank.wyna...@gmail.com wrote: I have the following code :       Date now = new Date();       long nowLong = now.getTime();       nowLong = nowLong + (1000

Re: Anchors / Links within a page

Element element = DOM.createElement(a NAME=\+(anchorName == null ? : anchorName)+\/a); You would have to create the anchor like this in IE but it does not work for Firefox. On Dec 19, 10:59 am, obesga obe...@gmail.com wrote: /// I don't like to re-post, but here's the complete code of

Re: Directions load() method error

Eric, I got it to work. i just did a clean build and compiled and it seemed to resolve the issue. I have one other question. With loadFromWaypoints () the map shows markers for every waypoint. is there a way to avoid all markers except for the start and end? Thanks Pradnya On Dec 19, 8:33 am,

Re: Need for a great GWT GUI library

I understand your pain. I use both GWT and GWT-EXT. I have found most of my issues with GWT-EXT CSS stylesheet not displaying correctly in IE. Maybe someone can post a gwt CSS file that contains better looking widgets out of the box. As far as the slowness goes then you might be better off

Re: setCookie problem using IE7

This is really strange... I tested it on different computers (on different locations) and it is not working anywhere on IE7. I am pretty sure it worked in the past. I also logged so I am 100% sure the code gets executed but the cookie just don't get saved (when I visit other websites the cookies

GoogleSky

I'd like to know if there is some API to googlesky in GWT. On sourceforge.net I found GoogleMaps extension for GWT. Is there something like that but for GoogleSky? Maby there is some other Java API for GoogleSky? --~--~-~--~~~---~--~~ You received this message

Re: Directions load() method error

On Fri, Dec 19, 2008 at 12:10 PM, prad pradnyas...@gmail.com wrote: Eric, I got it to work. i just did a clean build and compiled and it seemed to resolve the issue. I'm glad you found a solution! I have one other question. With loadFromWaypoints () the map shows markers for every

Re: redirect problem

So, I added code to my ServletFilter(I didn't feel like getting involved in spring at all), but I could not get the code to work. http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/8444004a667f11fe# I think there is just a simple mistake...anyone know? thanks, Dean On

Re: how to proxy all the methods in my RemoteServiceServlet

So, I added code to my ServletFilter(I didn't feel like getting involved in spring at all and wanted to move it up from the GWT servlet to use for all calls), but I could not get the code to work. http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/8444004a667f11fe# I

Re: GoogleSky

If you use the Google APIs for GWT bindings ( http://code.google.com/p/gwt-google-apis/) you can use sky maps by using the regular Maps API and setting the map type. See: http://gwt.google.com/samples/HelloMaps-1.0.2/HelloMaps.html#Map%20Types and change the map type to Sky: Visible (zoom out to

Re: GWT RIA s ?

I have just started working on a prototype of our application using GWT. Mike Shaffer, here on the list, has been very kind to help with some questions I had about migrating a Struts/JSP UI to a GWT UI. For now I am sticking with the standard GWT widgets. Maybe this is the wrong thread to ask, but

Re: Tree Graph using GWT

http://code.google.com/docreader/#p=gwt-google-apiss=gwt-google-apist=VisualizationGettingStarted - Sunit Katkar http://sunitkatkar.blogspot.com/ - Android OS Tutorials On Wed, Dec 17, 2008 at 6:33 AM, Paddy patrickfmonag...@gmail.com wrote: Kilkenny, Life saver! thank you that helped me

Re: setCookie problem using IE7

Even when I create a program only containing public void onModuleLoad() { Cookies.setCookie(godverdomme, kus men klote, new Date (2010,1,1)); } It doesn't work under IE7 :( Under other browser it works no problem. I tried (and let this try) at different locations. Not a single

Re: GWT RIA s ?

Hi, I'm using gwt-mosaic in my project. It's really usefull for my development. I like the layout managers, Widgets like WindowPanel (excelent - it's a DialogBox with resizing and header manager). I choose the library because it's pure gwt code (I agree in this point with Arthur) Ale On Fri,

Re: how can i use external jar in gwt?

thank you for your answers. i see some where like my problem and there is solution but i can't understand. adding the inherits to xml file isn't a solution. i think i have to write an other xml file for libraries but how can i write it. i'm researching

Re: How to cancel file uploading from client side

I found one solution. It's not very elegant but seems to do right things. Cancel button executes removeFromParent() for panel that contains FileUpload and FormPanel and replace that with new one. This generates exception on server side but also stops uploading file. On 19 joulu, 15:51, olivier

send file to browser

Hi Newsgroup, I want to send a file to the client browser (offered as download to the user). The file will be created after a user action and will be stored physicaly on the server. Using traditional JSP, I would set content type and header to the response, read the file on the server and send

Re: GWT RIA s ?

Rob, I think numerous people have been bitten by the gwt-ext/ext-gwt/name other third party library here. The first two I mentionned especially. I am one of them. I think a lot of people think exactly the same way. Personally, I think it's great thing that somebody takes time to warn people

images don't show in IE

My GWT page displays a bunch of .jpg images, and they display fine in all browsers, except for IE. The URL for the jpg image is a servlet that generates the jpg, so there is no .jpg extension. In IE, no images show, either in web or hosted mode. In hosted mode, I set a breakpoint on an onclick

sinkEvents on options in ListBox

How can I sink mouse events for options in a list box? I know the browser generates the mouse events on option elements because I've tried it manually, but I can't get it to work within gwt. Ultimately I'm trying to generate tooltips for each item in a listbox. Here's the code that doesn't

Debugging a project using Netbeans GWT4NB yields an error

Hi all, On my 10.5.4 Mac OS X, I am using Netbeans IDE 6.5 with GWT4NB 2.5.0. I have no problems running my GWT application in Netbeans on my Glassfish or Tomcat server. However when I debug my application with server side java, I get the following error: debug-connect-gwt-shell:

Re: setCookie problem using IE7

I think I found the problem but not the solution. When I do a Window.alert of the Date (the expiration date I use) it says : Fri Dec 19 21:21:15 GMT+100 2008 I am guessing that GMT+100 is invalid and that IE fails on it (while Chrome and Firefox find it ok). Anyone who knows something more

Re: sinkEvents on options in ListBox

I should add setTitle(...) won't work for me because my app is a firefox extension that shows in a sidebar, and there's a firefox bug where title tooltips don't show. Also, I'd like to potentially add more functionality to the popup widget. On Dec 19, 12:02 pm, otismo moloti...@gmail.com wrote:

Converting a GWT Windows Project into a GWT Linux Project

Hi, i have a GWT project running on Windows at work, but i use Linux (Debian Lenny) on my home notebook, and i've tried to make it run in Linux, but i have failed. I would like to know what i have to do, for it works in Linux. I'm using Eclipse IDE, by the way. thanks!

Re: how can i use external jar in gwt?

Hi JR Does that mean we just add a .gwt.xml file to the jar file? In my case, the jar file contains JPA persistent entities. So to me it doesn't make a lot of sense to ad a .gwt.xml file to it. Is that the only option we have? Also, where in the package do I add the .gwt.xml file? It doesn't

Programmatically scroll text within textbox.

My problem is following: I have a TextBox and a 'virtual' keyboard made of Buttons. Each button has ClickListener: ... public void onClick(Widget button) { //update target; textBox.setText(target.getText() + ((Button)button).getText()); } ... The text of TextBox is updated, but if content

skip line with DialogBox / pulando linhas com DialogBox

Olá!!! sou iniciante em gwt e eu estava tentando criar uma dialogbox, somando Strings com mensagens de erro. Mas eu queria que cada mensagem fosse dada em linhas separadas. Entao, no final das strings eu inseri '\r'; em hostmode funciona, porém no browser não. há outra forma de fazer isso ou é um

Re: Programmatically scroll text within textbox.

Try setting the cursor position. http://google-web-toolkit.googlecode.com/svn/javadoc/1.5/com/google/gwt/user/client/ui/TextBoxBase.html#setCursorPos(int) On Dec 19, 4:53 pm, evgeniy kim.euge...@gmail.com wrote: My problem is following: I have a TextBox and a 'virtual' keyboard made of

Re: Request Builder problem

You're making an asynchronous request and then you aren't waiting for it to finish. Your getData() method cannot return anything.You have to use the callback to do whatever it is you want done with the data. On Sun, Dec 14, 2008 at 2:32 AM, dhaval dhruva...@gmail.com wrote: Hi guys, I have

Re: Converting a GWT Windows Project into a GWT Linux Project

The only thing specific to GWT would be changing references to gwt-dev-windows.jar to gwt-dev-linux.jar. Other then that, it's the usual OS differences -- e.g., file path ('\' vs. '/') and classpath (';' vs. ':') separators. And posting an actual error message that you're encountering might

Re: images don't show in IE

Thanks, my servlet: public class ThumbnailServlet extends HttpServlet { private static Log s_logger = LogFactory.getLog(ThumbnailServlet.class); private static final long serialVersionUID = 1L; public void doGet(HttpServletRequest request, HttpServletResponse response)

Re: Unsubscribe

On Sat, Dec 20, 2008 at 13:22, Martin G martin.anthony.g...@gmail.com wrote: Unsubscribe Must... resist... posting... the... unsubscribe... kit... on a serious note, please learn to read list message headers, it says in the header: List-Unsubscribe:

Re: shell fails loading

I like to add few points to solve this problem, which I tried exploring. When I changed the Internet explorer proxy setting, it gave Network Error Code 503. Is there any setting which shell inherits? If so, what are the necessary setting to make this shell run... This problem is really annoying

Re: Stack Panel

Try Using .gwt-StackPanelContent tag and use a background:your-color for changing the color. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to

Re: shell fails loading

check your gwt.xml file and also app.html fileu will know where you are going wrong yours --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to

[gwt-contrib] Re: RR: fields that are written versus read

On Thu, Dec 18, 2008 at 3:33 PM, Katharina Probst kpro...@google.com wrote: Hi Lex, LGTM, with the caveat that you may want to add more tests in the future (e.g., for load order dependencies). Thank you! This is committed at revision 4358. I agree about the more tests -Lex

[gwt-contrib] [google-web-toolkit commit] r4358 - in trunk: dev/core/src/com/google/gwt/dev/jjs/impl user/test/com/google/gwt/dev/jjs user/...

Author: sp...@google.com Date: Fri Dec 19 06:05:04 2008 New Revision: 4358 Added: trunk/user/test/com/google/gwt/dev/jjs/test/RunAsyncTest.java (contents, props changed) Modified: trunk/dev/core/src/com/google/gwt/dev/jjs/impl/CodeSplitter.java

[gwt-contrib] Re: Introducing DateBox.Format

John, as I just got a vacation message from Ray, could you finish the review of this patch? The only unreviewed part is adding the abandon method as per Ray's request. Thanks! Emily http://gwt-code-reviews.appspot.com/1201 On Fri, Dec 19, 2008 at 1:20 AM, Emily Crutcher

[gwt-contrib] Re: Optimized build-demos task

22 or so, as long as you can rely just on the compile task, it's actually not a problem. However, to be safe, we need to call build first, as we use the gwt-incubator jar now to generate the demos. Calling gwt-incubator build then does take some time. In my measurements, not having to call build

[gwt-contrib] Re: code review requested - fixup permutation IDs

On Thu, Dec 18, 2008 at 9:09 PM, John Tamplin j...@google.com wrote: On Thu, Dec 18, 2008 at 7:50 PM, Scott Blum sco...@google.com wrote: How about this instead? I think it makes sense to tie the reordering to construction of the Precompilation, because that's when it actually matters. And

[gwt-contrib] Re: code review requested - fixup permutation IDs

On Fri, Dec 19, 2008 at 1:37 PM, Scott Blum sco...@google.com wrote: Sounds good to me. Want me to respin it, or you? I can do it. -- John A. Tamplin Software Engineer (GWT), Google --~--~-~--~~~---~--~~

[gwt-contrib] Re: Tree alignment issues

LGTM, though I think you mean to add I18n to the single issue module. Also, did you check how the samples looked now that you removed the spacing? Thanks, Emily On Fri, Dec 19, 2008 at 1:18 PM, John LaBanca jlaba...@google.com wrote: ping Please review this when you

[gwt-contrib] Re: Tree alignment issues

I'll double check the samples and I'll remove I18N from the SingleIssue.gwt.xml file. Showcase looked fine, but I'll make sure the others look good too. Thanks, John LaBanca jlaba...@google.com On Fri, Dec 19, 2008 at 2:11 PM, Emily Crutcher e...@google.com wrote: LGTM, though I think you

[gwt-contrib] Re: [Code Review] Small Test Framework For JJS Optimizers

Mike, I took a look and I think it's a good first pass, definitely a good start! I would actually be excited about a tad bit of refactoring to allow the tests to be more surgical. I think a little bit of work on JJSCompiler could eliminate the need for a rebind oracle entirely, and I think we'd

[gwt-contrib] [google-web-toolkit commit] r4361 - tools/lib/eclipse

Author: sp...@google.com Date: Fri Dec 19 13:52:34 2008 New Revision: 4361 Added: tools/lib/eclipse/jdt-3.4.2-src.zip (contents, props changed) tools/lib/eclipse/jdt-3.4.2.jar (contents, props changed) tools/lib/eclipse/update-jdt.py (contents, props changed) Log: Adds jars

[gwt-contrib] [google-web-toolkit commit] r4363 - in releases/1.6: reference/code-museum/src/com/google/gwt/museum/client/defaultmuseum use...

Author: e...@google.com Date: Fri Dec 19 14:01:24 2008 New Revision: 4363 Modified: releases/1.6/reference/code-museum/src/com/google/gwt/museum/client/defaultmuseum/VisualsForDateBox.java releases/1.6/user/src/com/google/gwt/user/datepicker/client/DateBox.java

[gwt-contrib] [google-web-toolkit commit] r4360 - releases/1.6/dev/core/src/com/google/gwt/dev

Author: j...@google.com Date: Fri Dec 19 13:40:27 2008 New Revision: 4360 Modified: releases/1.6/dev/core/src/com/google/gwt/dev/Permutation.java releases/1.6/dev/core/src/com/google/gwt/dev/Precompilation.java releases/1.6/dev/core/src/com/google/gwt/dev/Precompile.java Log: Fixup

[gwt-contrib] [google-web-toolkit commit] r4359 - in releases/1.6: reference/code-museum/src/com/google/gwt/museum reference/code-museum/sr...

Author: jlaba...@google.com Date: Fri Dec 19 13:28:12 2008 New Revision: 4359 Modified: releases/1.6/reference/code-museum/src/com/google/gwt/museum/SingleIssue.gwt.xml releases/1.6/reference/code-museum/src/com/google/gwt/museum/client/defaultmuseum/VisualsForTree.java