Re: error javax.mail
Someone could send me a sample code of an application for sending e- mail? I'm following the http://code.google.com/appengine/docs/java/mail/overview.html # Sending_Mail_with_the_JavaMail_API but is not working. On Apr 30, 2:53 pm, kozura wrote: > I think you're missing the gist of the above replies - you can't use > this library on the client (browser) side of GWT. Only libraries that > use the limited set of the JRE emulated by GWT, listed > here:http://code.google.com/webtoolkit/doc/latest/RefJreEmulation.html, can > be used in client side code. > > Any functionality like mail or db connections and such must all be > done on the server side. The correct model is for the client/browser > to send requests to the server, ie through RPC calls, and for it to do > this sort of work, sending the results back to the client. > > On Apr 30, 11:43 am, Felipe Guarda wrote: > > > > > > > added the javax.mail.jar, but now is missing the source of javax.mail. > > already downloaded the javamail-1.4.3-src.zip and have attached it in > > the lib javamail. But when I depploy app happens the errors below. > > What is missing to do? > > > errors: > > Compiling module com.ps.www.Plano_de_saude_online > > Validating newly compiled units > > [ERROR] Errors in 'file:/home/felipe/downloads/workspace/plano > > %20de%20saude%20online/src/com/ps/www/client/ > > Plano_de_saude_online.java' > > [ERROR] Line 82: No source code is available for type > > java.util.Properties; did you forget to inherit a required module? > > [ERROR] Line 83: No source code is available for type > > javax.mail.Session; did you forget to inherit a required module? > > [ERROR] Line 88: No source code is available for type > > javax.mail.Message; did you forget to inherit a required module? > > [ERROR] Line 88: No source code is available for type > > javax.mail.internet.MimeMessage; did you forget to inherit a required > > module? > > [ERROR] Line 89: No source code is available for type > > javax.mail.internet.InternetAddress; did you forget to inherit a > > required module? > > [ERROR] Line 90: No source code is available for type > > javax.mail.Message.RecipientType; did you forget to inherit a required > > module? > > [ERROR] Line 94: No source code is available for type > > javax.mail.Transport; did you forget to inherit a required module? > > [ERROR] Line 95: No source code is available for type > > javax.mail.MessagingException; did you forget to inherit a required > > module? > > Finding entry point classes > > [ERROR] Unable to find type > > 'com.ps.www.client.Plano_de_saude_online' > > [ERROR] Hint: Previous compiler errors may have made this > > type unavailable > > [ERROR] Hint: Check the inheritance chain from your module; > > it may not be inheriting a required module or a module may not be > > adding its source path entries properly > > > On Apr 29, 2:29 pm, Jason Essington > > wrote: > > > > You can't really use javax.mail on the client side, it isn't supported by > > > the emulation library. > > > > you'd have to send your data to the server and use javamail from there. > > > > -jason > > > > On Apr 29, 2010, at 11:20 AM, Felipe Guarda wrote: > > > > > Yes, i`m using javax.mail in the clientside code. where is the correct > > > > place? > > > > > Felipe > > > > > On Apr 29, 1:34 pm, "dolcra...@gmail.com" wrote: > > > >> Are you using javax.mail in the clientside code? (If so, you can't do > > > >> this). Otherwise you just need to add thecorrect classpath > > > >> entriescorrect classpath entries > > > >> to the run configuration. > > > > >> On Apr 29, 10:26 am, Felipe Guarda wrote: > > > > >>> I think i may have a problem with which JRE the appengine hosted > > > >>> browser is using to compile. In eclipse my code recognizes the > > > >>> various classes I'm importing for my JavaMail use (no precompile > > > >>> errors). However, when I Run As a web app, the GWT Hosted Mode > > > >>> console reports the following: > > > >>> [ERROR] Line 28: The import javax.mail cannot be resolved > > > >>> [ERROR] Line 29: The import javax.mail cannot be resolved > > > >>> [ERROR] Line 30: The import javax.mail cannot be resolved > > > >>> [ERROR] Line 31: The import javax.mail cannot be resolved > > > >>> [ERROR] Line 32: The import javax.mail cannot be resolved > > > >>> [ERROR] Line 33: The import javax.mail cannot be resolved > > > >>> [ERROR] Line 34: The import javax.mail cannot be resolved > > > >>> [ERROR] Line 81: Session cannot be resolved to a type > > > >>> [ERROR] Line 81: Session cannot be resolved > > > >>> [ERROR] Line 86: Message cannot be resolved to a type > > > >>> [ERROR] Line 86: MimeMessage cannot be resolved to a type > > > >>> [ERROR] Line 87: InternetAddress cannot be resolved to a type > > > >>> [ERR
HTMLPanel row sapcing??
i created some rows at comilationg time in .ui.xml file. Later on, at run time using TableRowElement.Delete(int) function i deleted the whole row. on doing so, now at the deleted section, the row spacing is quite larger than at other sections. How do i correct it? can it be done? -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Using Typeface.js within a GWT app
I am looking for some sample Java code demonstrating how to get AJAX
content displayed into a custom font using Typeface.js within a GWT
app. I have tried a little bit by calling the following native
function
native void Typeface_renderDocument() /*-{
$wnd._typeface_js.renderDocument();
}-*/;
* after having filled the relevant widget with the AJAX content,
and
*
after calling the following function on the widget :
void applyTypeface(Widget widget) {
widget.addStyleName("typeface-js");
widget.getElement().getStyle().setProperty("fontFamily",
"Helvetiker");
Typeface_renderDocument();
}
...where Helvetiker is a custom font (actually available from
Typeface.js fonts page (http://typeface.neocracy.org/fonts.html). But
that didn't work.
I am looking forward to any suggestions since I am bit stuck here.
Alternatively I would be interested in an example using cufón within
GWT, although I am not so keen about the replacement by images that
cufón does (which is the main reason why I was trying to use
Typeface.js.)
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Re: GWT not using CssResources??
Thanks Sefan, I agree with you on some of the issues you discuss, but not all of them. You are right that GWT's ClientBundle/CssResource concepts still have some issues, just like their widget design (some of my issues are in the issue tracker). But I don't think the UIBinder is a step back. Don't forget that many company's have to deliver fast and such work with GUI design tools like GWT Designer. UIBinder is the foundation for such tools. It's not for nothing that facelets became part of the JSF 2.0 spec and the Flex template mechanisme is the huge success behind Flex, all founded on the same concepts. Thet GWT dev team is just very careful and don't want to create a lock- in situation, so.. that is sometimes frustrating... but that's how it is and it probably takes a few releases .. Anyway, some of my answers are inlined, looking forward to your answers. > Because you want to have a single point of control. What do you mean by this? Isn't that the whole idea of ClientBundle/ CssResource Even with his current problems/restrictions > That is a fault. When you bind a widget to a certain css no change is > possible. But you want to have a change to chance. Why isn't this possible ?... Suppose a widget has his own css files, the developer can copy this and use it to inject his own css file through his own client bundle... at least... that is the "gwt way"... And you can always fine tune with dependent style names. > However, the technique you need for your reduced requirement is used > in a1decor. You just do variants like a1decor-style do. You separate > yourCssResourcein an own module. Each variant is just a duplicate of > this module with modified values. You select theCssResourceyou need > per class path, that is the trick. I can't really follow you here, can you give me a concrete example? I have dozens of reusable widgets, I hope I don't need to a style module for every one of them :(... > I feel this jumps too short. In common you don't want to change the > css of a single widget, you want to change the theme of a whole > application. What do you mean by this? How do you define you Theme then ? To me this sounds a bit too course grained and a different kind of problem... I simple want to be able to change my style values of one reusable (composite) widget. Do you mean that you define a theme as the collection of style definitions of the resusable widgets that you use in your app ?... This comes down to the same problem I think, as I don't want to change the Theme, as I only want to change one reusable widget Why should I need to change my Theme for this ? ... > From the values within a css there are at least two sorts: > a) one related with a theme > b) one related with functionality > The general problem with css is, that is does not really is able to > separate concerns. This is funny because css was advocated with this > argument. But css failed to fulfill this. You could not separate > concerns when they affect to the same css-style (e.g. because a > functionality and a theming aspect want to change "padding". But luck, > either or, but no AND possible).. Sorry, you are losing me here. Can you give a concrete example? > I did not expect this. GWT needs to run "legacy" app, too. So GWT will > not automatically bindCssResourceto core widgets. Just wait a see. Yep, I am also afraid of that, which is also what Thomas mentions above... I guess we will see major changes in this area in version 3.0... I like your idea's btw, but I am not very sure if it's very practical in larger app's and if it's the best solution in my case. If I look at my GWT app's, which are complex and have a total code base of about 2MB (downloaded in pieces).. I am a afraid it will become very messy if setup my css files like you propose... For example: if I look at my date picker styles, they will get very large with all the @def at's, not even to speak about all the code behind is. Of course the compiler will optimize a lot, but stilll.. it als has to be manageable. So I gain a lot of freedom and can override then every style value of my datepicker, but the question is: is this flexible worth the bunch of extra more-difficult maintainable code ? I don't know to honest... Ed On May 1, 10:23 pm, Ed wrote: > And Stefan answered this back: > Hi Stefan, > > > Looked at your project and played with it, but I don't think it's not > > solving my problem and it's not the way I like to work with styles. > > Why should I want to put my style value's in code like you do in your > > DecorInterface? > > Because you want to have a single point of control. > And the other benefits documented on the project page of a1decor > > > I want them only in CSS files that come with a widget. > > That is a fault. When you bind a widget to a certain css no change is > possible. But you want to have a change to chance. > > That's the nice thing about thisCssResourceconcept, you can have one > widget with one or more Css fi
Re: New open source MVP(UiBinder) GWT Framework with GIN - Handlebars
First, thanks. Glad to see there's some interest. I have limited resources, so I want to focus on the important things. Hence, if you have questions or suggestions, please let me know, that way I know what to spend time on first. @Stephen Unfortunately I'm not an Eclipse Plugin developer, so there's no code generation going on... yet. Having said that, the whole thing was put together with code generation in mind by being as declarative as possible. The specific code for some functionality goes into well defined areas like onAtPlace() method in presenter for example. So, in theory, you can declare your entire page, presenter, and view architecture and then just fill in the bits where they need to go and it will work. Been doing it by hand and have have a checklist I follow, but all the boiler plate can (and should) be code generated. The Eclipse Plugin is definitely on the roadmap (I'll post that on there soon), but for now it still provides a nice framework for the client side app. Handlebars Roadmap: - Setup a starter handlebars project - Open source the server side App Engine code Future Plans: - Eclipse Plugin Tristan On May 1, 8:35 am, Stephen Haberman wrote: > >http://code.google.com/p/handlebars/ > > Spiffy. The page mentions using Eclipse code generation--I like that. > What sort of files are you generating? > > - Stephen > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT not using CssResources??
And Stefan answered this back: Hi Stefan, > Looked at your project and played with it, but I don't think it's not solving > my problem and it's not the way I like to work with styles. > Why should I want to put my style value's in code like you do in your > DecorInterface? Because you want to have a single point of control. And the other benefits documented on the project page of a1decor > I want them only in CSS files that come with a widget. That is a fault. When you bind a widget to a certain css no change is possible. But you want to have a change to chance. That's the nice thing about this CssResource concept, you can have one widget with one or more Css files, resulting in clear checked compact css files. > That is wanted, but in practice it does not always work. But this is an issue > for GWT > The idea is to be able to replace/inject another CSS file with the same > widget (injecting/using another Client bundle). I feel this jumps too short. In common you don't want to change the css of a single widget, you want to change the theme of a whole application. However, the technique you need for your reduced requirement is used in a1decor. You just do variants like a1decor-style do. You separate your CssResource in an own module. Each variant is just a duplicate of this module with modified values. You select the CssResource you need per class path, that is the trick. > GWT also advices to put all your Style value's in CSS files. I think the GWT doc really state this. Any way, this is oversimplified and therefore rather wrong. Positions should not be part of a css, for example. Exception are only valid on the absolute top level. >From the values within a css there are at least two sorts: a) one related with a theme b) one related with functionality The general problem with css is, that is does not really is able to separate concerns. This is funny because css was advocated with this argument. But css failed to fulfill this. You could not separate concerns when they affect to the same css-style (e.g. because a functionality and a theming aspect want to change "padding". But luck, either or, but no AND possible) > I expect that GWT will also make more use of the ClientBundle/CssResource > concept for their widgets in the up comming releases, > with the risk that your concept will lose his power. This may happen. When GWT solves my intended issues, it is absolutely fine. However, I do not expect it. GWT is absolutely outstanding regarding compiler technology, but rather mediocre on gui design and their concepts. The widgets are rather poor designed, MVP is middle- rated, UiBinder was a step back. So GWT needs support in this area and I am going to solve one issue after the other. a1decor was one little step, but a strategic one. > And when using your code, you might have to refactor a lot of code when > upgrading to a newer gwt release. I did not expect this. GWT needs to run "legacy" app, too. So GWT will not automatically bind CssResource to core widgets. Just wait a see. > Just my thoughts, but maybe I miss understand it.. > Anyway, back to my problems: like my original question: can you point out how > your code solves my problems listed above ? When you think, my answers are failing to explain that, please ask a concrete question. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT not using CssResources??
Hm. The disadvantage of Gmail is that don't even realize that your are mailing a person or group (if you don't pay good attention like I did)... Anyway, I received an email from Stefan about this a1decorator project and this was mine reaction: Hi Stefan, --- Looked at your project and played with it, but I don't think it's not solving my problem and it's not the way I like to work with styles. Why should I want to put my style value's in code like you do in your DecorInterface? I want them only in CSS files that come with a widget. That's the nice thing about this CssResource concept, you can have one widget with one or more Css files, resulting in clear checked compact css files. The idea is to be able to replace/inject another CSS file with the same widget (injecting/using another Client bundle). GWT also advices to put all your Style value's in CSS files. I expect that GWT will also make more use of the ClientBundle/CssResource concept for their widgets in the up comming releases, with the risk that your concept will lose his power. And when using your code, you might have to refactor a lot of code when upgrading to a newer gwt release.. Just my thoughts, but maybe I miss understand it.. Anyway, back to my problems: like my original question: can you point out how your code solves my problems listed above ? -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Localization of UIBinder files ...
I have followed the example in http://code.google.com/webtoolkit/doc/latest/DevGuideUiBinderI18n.html but am not seeing any .properties file created. they mention that they will be created in an aux folder - what is that? Any help would be appreciated. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
GWT Localization - Constants class -> properties?
I have a project with all my strings implemented in an extended Constants class using @DefaultStringValue I never did create a .properties file. Now in order to translate I will all the constants in a .properties file. Is there a tool that will take my constants java file and create a properties file that already exists? Probably easy enough to do. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Ray Ryan, best practices and embracing asynchronicity
When you show a list of Persons on the browser, do you also show the last traded price of the Company that the Person works for? Obviously not. Then why would you want to send the entire Company object with the Person object? The browser just needs a few simple properties of a Person - personal details, company name, group name - and that's it. It doesn't care about the Group object or the Company object; it just needs certain values from them. But in your back-end java code, you need to be normalized. You really want to think of Companies and Groups as separate entities. And you really want to store the last traded price for every Company to perform some calculation. Point I am trying to make is that there is a clear distinction between *what the browser needs* (DTO) and *what the business needs* (domain objects). When you send JDO objects across the wire, you are sending your domain model. Its not what the browser wants, and that is a problem. Soon, you will have a presentational information in your domain model, and you will have restricted information being sent to the browser, and it will be a big mess. So, take a step back, and separate Domain objects from Presentation objects (or DTOs). Make your RPCs revolve around a particular view, and send all necessary information for that view in one RPC call. Note that now your Person would include company name and company id, but not the entire company object. Now, when the user clicks the company in the view, you make a RPC call to get company information (because you have company id). That's it. Works nicely, without having to make multiple calls. --Sri On 1 May 2010 20:53, kozura wrote: > Doing this well depends on some form of centralized data retrieve > dispatch/caching. You make calls to this centralized service to get > the objects by id that you are interested in. It either finds them > in cache and can return them immediately, or adds them to a queue of > objects to retrieve. After all requests have been made (ie on > DeferredCommand), a single request is sent to retrieve all objects of > all types needed. > > As for updating on return, there's lots of ways. You could use an > event bus to indicate all the objects where data is now available. > This could even be a single event instead of one for each object, and > the event handlers can ask if their objects of interest are now > available, avoiding multiple updates. Alternatively, you can use the > current async callback mechanism, but with a way to consolidate - all > requests by Person X get resolved to a single callback. > > Either of these require a bit of work to set up a robust centralized > service, but once done all the code around using it for well cached > fast object retrieval becomes pretty easy and automatic, nicely async, > and retrieves the minimum of data. I've found it's well worth the > effort. And likely some of these libraries out there have these > mechanisms built in. > > jk > > On Apr 29, 10:56 am, brendan wrote: > > Another question beginning with the sentence "I watched Ray Ryan's > > talk": > > > > Firstly, great talk. Full of really useful ideas. But I have a > > dilemma. > > > > 1) On one hand, I want to follow the advice that says "go with the > > asynch flow". I'm happy to do that. > > > > 2) On the other hand, I also want to follow the advice that object > > graphs should be avoided and domain objects should really just contain > > ids of their related objects. In the case of lists, this is to avoid > > sending too much useless info over the wire. And for AppEngine users > > working with JDO, this is unavoidable in any case, for objects in an > > 'unowned' relationship with the top level object. > > > > The combination of these two pieces of advice leads me to a situation > > where I could really do with some advice on what is considered best > > practice. Imagine I have a domain object - call it Person - which has > > multiple related 'unowned' objects, e.g. Group, Company etc. I want to > > list a bunch of Persons on my GWT front end, but the display for each > > row requires data from the related objects (e.g. group name, company > > name). Following advice 2 above (or perhaps constrained by JDO), my > > User object has only the ids of the related Group and Company objects, > > and so after retrieving the list of Users from the server side, the > > User List Presenter must make a separate RPC call for each Group and > > Company object for each User. Let's pretend that because of smart > > caching this wasn't particularly expensive (arguable). I'm still left > > with the problem that following advice 1 about each call is asynch. I > > can't display a User row until I hear back from the two Group and > > Company calls. To achieve this delayed display, I have to 'recombine' > > the two asynch calls using some kind of local flags, and only when > > both callbacks have been triggered is it safe to display the row. > > > > Besides the ugliness and comp
Re: GWT - Visualization of graph/tree containing nodes and edges, moving and adding nodes...
Thanks Peter, but this doesn't help, because it covers not my Problem. i have problem in configuring the raphaelgwt-library into my Project, i created a new discussion once... < http://groups.google.de/group/raphaeljs/browse_frm/thread/6dc40b5120bfc14a/7d1f4fa5bf879e98#7d1f4fa5bf879e98 > it is getting me * this problem :( Normally you really just has to to that 2 steps as described in the wiki of raphaelGWT, but i cant see which step i did wrong... . On 1 Mai, 14:21, Peter Simun wrote: > sure ... just read README.txt (http://code.google.com/p/raphaelgwt/ > source/browse/trunk/samples/MyCircle/README.txt) > > without eclipse it is just one command: ant devmode which runs the > sample in development mode (ou, the zero step is to set up correctly > GWTPATH environment variable to your GWT libraries). > > You can inspire from the sample project in order to create new one. > > Peter > > On 29. Apr, 21:35 h., leyg wrote: > > > > > the raphaelgwt wrapper is perfect!!! > > but how can i configure it working (with ecplise or without eclipse) > > just with GWT... i have problems in how to add the library... the > > steps in the wiki of raphaelgwt does't help... > > > did anybody configure it? > > > On 19 Apr., 21:41, Peter Simun wrote: > > > > and what about usingGWTraphaelwrapper > > > ?http://code.google.com/p/raphaelgwt/ > > > > You can find getting started wiki there (http://code.google.com/p/ > > > raphaelgwt/wiki/GettingStarted) and also the sample > > > projecthttp://code.google.com/p/raphaelgwt/source/browse/#svn/trunk/samples. > > > > -p- > > > > On 15. Apr, 22:12 h., David Kendall wrote: > > > > > gafgaf wrote: > > > > >ok its done, i tried but it is not very compatible with current > > > > >versions of Firefox, IE, ... and GWT2.0 > > > > >and that project is not progressed and improved anymore... > > > > > >nevertheless, thanks a lot! > > > > >best regards > > > > > >On 15 Apr., 18:22, gafgaf wrote: > > > > >> Hi, thanks for the link, it looks good... i like try it but i have > > > > >> problems configuring it withgwt, is there a manual for dummies using > > > > >> eclipse or without eclipse? > > > > > >> best regards > > > > > >> On 15 Apr., 16:48, kozura wrote: > > > > > >> > maybehttp://code.google.com/p/gwt-diagrams/ > > > > > >> > On Apr 14, 12:26 pm, gafgaf wrote: > > > > > >> > > Hi > > > > >> > > I'm student from Germany an looking for any good library that i > > > > >> > > can > > > > >> > > use with Google Web Toolkit to create trees/graphs, where you > > > > >> > > can move > > > > >> > > nodes and connect these nodes with edges...but not like PieChart, > > > > >> > > MotionChart.. but like e.g.:http://raphaeljs.com/graffle.html. > > > > >> > > So finally it has to do with JavaScript... i don't like make > > > > >> > > just a > > > > >> > > desktop-application. > > > > > >> > > My problem is i'm beginner and i dont know which libraries would > > > > >> > > be > > > > >> > > appropriate for my idea with the tree/graph... I'am looking a > > > > >> > > while > > > > >> > > for some appropriate libraries in the internet, but so far i > > > > >> > > didn't > > > > >> > > found something usefull that works withGWT(gwt-jsviz is already a > > > > >> > > dead project as i see)...do you have any suggestion for me, how > > > > >> > > i can > > > > >> > > realize my idea withGWT, maybe without any external librariy... i > > > > >> > > would be very pleased and happy... > > > > > >> > > Thanks and best regards > > > > >> > > Gafur > > > > > >-- > > > > >You received this message because you are subscribed to the Google > > > > >Groups "Google Web Toolkit" group. > > > > >To post to this group, send email to > > > > >google-web-tool...@googlegroups.com. > > > > >To unsubscribe from this group, send email to > > > > >google-web-toolkit+unsubscr...@googlegroups.com. > > > > >For more options, visit this group > > > > >athttp://groups.google.com/group/google-web-toolkit?hl=en. > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Google Web Toolkit" group. > > > To post to this group, send email to google-web-tool...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > google-web-toolkit+unsubscr...@googlegroups.com. > > > For more options, visit this group > > > athttp://groups.google.com/group/google-web-toolkit?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google Web Toolkit" group. > > To post to this group, send email to google-web-tool...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-web-toolkit+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/google-web-toolkit?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsu
Re: SplitLayoutPanel, Resizing
As much as it tries to abstract, GWT is still bound underneath to html elements and thus you must tinker with styling/CSS to get layout right. And unlike most layout systems out there, there is no great child-type independent layout containers that work perfectly. LayoutPanels try, but still not perfect. Myself not coming into GWT as a CSS expert, I recommend using Firebug and a willingness to dicker with the different elements styling with "height:100%" or whatnot to figure out exactly what's needed to get the correct layout and repositioning/resizing action. Also, be sure you are following everything here: http://code.google.com/webtoolkit/doc/latest/DevGuideUiPanels.html#LayoutPanels, standard html mode, rootlayoutpanel to hold the SplitLayoutPanel or explicit sizing of it, etc. For #2, this is more the responsibility of your tomcat/jetty engine, which have the tools for dealing with this. Dunno what you're trying to do in #3, if you clear a listbox and repopulate it with new data, the new data should show up just fine? On Apr 30, 2:59 am, kirtcathey wrote: > Hi All. > > Relatively new to GWT, but have given it about a 20,000 line test > drive and oh, yeah I like. I like :-)) > Just got all working on a hosting service a couple nights ago and am > impressed with performance as well. > > A couple of questions (will update the post if I find the answer > before response) > 1) In my application I am implementing a splitlayoutpanel with two > rich text editors - one in the NORTH panel and one in the CENTER panel > (top and bottom). When the vertical adjustment slides up, I would > like to anchor the bottom of the rich text editor to the bottom and of > the CENTER split layout panel, and vice versa for the rich text editor > that is in the NORTH panel. In other languages, there is usually a > 'bind' or 'anchor' command on such sliders. > > I looked high and low for examples of resize, but found very little. > If there is explanatory code, please send a link. > > 2) Is there a way with Java servlets to gauge the amount of sessions > being served on a JVM - trying to setup a poor man's load balancer. > > 3) I cannot get any of my list boxes to refresh. I call > projectListBox.clear(); and that seems to work, but the data that > comes back up on the list boxes are the same. Is there a way to do > this efficiently? > > Thank you. > Kirt Cathey > sysrisk.com > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Ray Ryan, best practices and embracing asynchronicity
Doing this well depends on some form of centralized data retrieve dispatch/caching. You make calls to this centralized service to get the objects by id that you are interested in. It either finds them in cache and can return them immediately, or adds them to a queue of objects to retrieve. After all requests have been made (ie on DeferredCommand), a single request is sent to retrieve all objects of all types needed. As for updating on return, there's lots of ways. You could use an event bus to indicate all the objects where data is now available. This could even be a single event instead of one for each object, and the event handlers can ask if their objects of interest are now available, avoiding multiple updates. Alternatively, you can use the current async callback mechanism, but with a way to consolidate - all requests by Person X get resolved to a single callback. Either of these require a bit of work to set up a robust centralized service, but once done all the code around using it for well cached fast object retrieval becomes pretty easy and automatic, nicely async, and retrieves the minimum of data. I've found it's well worth the effort. And likely some of these libraries out there have these mechanisms built in. jk On Apr 29, 10:56 am, brendan wrote: > Another question beginning with the sentence "I watched Ray Ryan's > talk": > > Firstly, great talk. Full of really useful ideas. But I have a > dilemma. > > 1) On one hand, I want to follow the advice that says "go with the > asynch flow". I'm happy to do that. > > 2) On the other hand, I also want to follow the advice that object > graphs should be avoided and domain objects should really just contain > ids of their related objects. In the case of lists, this is to avoid > sending too much useless info over the wire. And for AppEngine users > working with JDO, this is unavoidable in any case, for objects in an > 'unowned' relationship with the top level object. > > The combination of these two pieces of advice leads me to a situation > where I could really do with some advice on what is considered best > practice. Imagine I have a domain object - call it Person - which has > multiple related 'unowned' objects, e.g. Group, Company etc. I want to > list a bunch of Persons on my GWT front end, but the display for each > row requires data from the related objects (e.g. group name, company > name). Following advice 2 above (or perhaps constrained by JDO), my > User object has only the ids of the related Group and Company objects, > and so after retrieving the list of Users from the server side, the > User List Presenter must make a separate RPC call for each Group and > Company object for each User. Let's pretend that because of smart > caching this wasn't particularly expensive (arguable). I'm still left > with the problem that following advice 1 about each call is asynch. I > can't display a User row until I hear back from the two Group and > Company calls. To achieve this delayed display, I have to 'recombine' > the two asynch calls using some kind of local flags, and only when > both callbacks have been triggered is it safe to display the row. > > Besides the ugliness and complexity of code like that, there is also > the possibility that the order of my list will be changed due to the > unpredictability of the callback sequence. > > There are a number of workarounds I can think of, but I'd really like > some advice based on experience, if somebody is willing to share. The > solution I would tend towards would be to build a graph on the > serverside and to hell with advice 2. > > Any takers? > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Why is GWT so slow?
try to increase the java heap space by editing your eclipse.ini file
On Sat, May 1, 2010 at 2:20 AM, tombrito wrote:
> Running the default program creted when create a new project on
> Eclipse IDE, the text field take almost a minute to show.
>
> I tried in IE, Firefox and Chrome.
>
> I'd put a break point on first line of onModuleLoad, and it take about
> a minute to enter the debug mode.. Another good seconds were wasted on
> line:
>
> RootPanel.get("nameFieldContainer").add(nameField);`
>
> What could be wrong?
>
> --
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>
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Re: New open source MVP(UiBinder) GWT Framework with GIN - Handlebars
> http://code.google.com/p/handlebars/ Spiffy. The page mentions using Eclipse code generation--I like that. What sort of files are you generating? - Stephen -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
problem with using EMF model in GWT
Hello GWT users, i have a big problem. I have built up a model in my GWT project with EMF and then let generate EMF the corresponding classes in the *.shared subpackage. The shared subpackage therefore because I want to use instances of my model in client and server side. As I know GWT doesn't understand EMF. So, I put the "org.eclipse.emf.ecore_2.5.0.v200906151043.jar" file in the "war/WEB- INF/lib" folder to resolve the EMF classes in GWT. To see if it's working I built up an instance of the model in the onModuleLoad method, created a label and added to the RootPanel. But now, when I run the project I get the following compiler errors: Line 21: No source code is available for type de.philipp.gwt.emf.shared.model.ModelFactory; did you forget to inherit a required module? Line 22: No source code is available for type de.philipp.gwt.emf.shared.model.ApplicationModel; did you forget to inherit a required module? Line 24: No source code is available for type de.philipp.gwt.emf.shared.model.Contact; did you forget to inherit a required module? Line 31: No source code is available for type de.philipp.gwt.emf.shared.model.Address; did you forget to inherit a required module? Line 40: No source code is available for type de.philipp.gwt.emf.shared.model.Job; did you forget to inherit a required module? Line 44: No source code is available for type de.philipp.gwt.emf.shared.model.Status; did you forget to inherit a required module? Line 50: No source code is available for type de.philipp.gwt.emf.shared.model.ApplicationItem; did you forget to inherit a required module? By the way, the above mentioned classes are the classes of my EMF model. So, what i don't understand is, how it can be? In the Module file I added "" and in the lib folder I added the jar file. Actually the errors shouldn't appear, but why it still happens? Sorry, for the bad English! I hope that someone can help me please. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
d[c][2] is not a function
I'm getting a Javascript error when trying to call a service. Many
other services are working but a handful are throwing "is not a
function" errors. Details below.
Greg
GWT 2.0.3
Javascript ERROR:
2010-04-29 12:49:33,503 [ERROR] Database:service.updateMPG
com.google.gwt.core.client.JavaScriptException:
(TypeError): d[c][2] is not a function
MLServiceAsync.java
void updateMPG(MidwarePropertyGroupDTO entity,
AsyncCallback callback);
MLService.java
public MidwarePropertyGroupDTO updateMPG(MidwarePropertyGroupDTO
entity);
Database.java
final AsyncCallback callback = new
AsyncCallback() {
public void onFailure(Throwable caught) {}
public void onSuccess(MidwarePropertyGroupDTO result) {}
};
MLServiceAsync service = (MLServiceAsync)
GWT.create(MLService.class);
try {
service.updateMPG(entityDTO, callback);
}
catch (Throwable t) {
log.error("service.updateMPG", t);
}
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Re: How to add a scrollbar to a SuggestBox popup?
One solution I found is to stick with CSS but use !important to ensure
your styles don't get overridden programatically. For browsers that
support !important, this should behave like you want.
For instance:
.gwt-SuggestBoxPopup {
overflow-y: auto !important;
max-height: 250px;
}
On Apr 22, 5:49 pm, Andy wrote:
> We started using the trunk because of the refactoring that's been done
> to SuggestBox. I considered copying it out and doing my own
> refactoring but ran into the same dependency issues.
>
> If you are able to use the trunk with the refactored SuggestBox, you
> find that you can do the following:
>
> public class CustomSuggestBox extends SuggestBox {
>
> public static final class CustomSuggestionDisplay extends
> DefaultSuggestionDisplay
>
> @Override
> protected Widget decorateSuggestionList(Widget suggestionList) {
> // wrap it here
> }
>
> }
>
> public CustomSuggestBox(Oracle oracle) {
> super(oracle, new TextBox(), new CustomSuggestionDisplay());
> }
>
> }
>
> If you don't feel comfortable using the trunk (I don't blame you), at
> least you know that you'll eventually be able to do this.
>
> I can't say for sure that adding a ScrollPanel in there will work. We
> added a header and a footer to the dropdown and it worked well.
>
> On Apr 22, 9:31 am, googelybear wrote:
>
> > unfortunately not, as the popup is not exposed to the outside world:
>
> >
> > private final PopupPanel suggestionPopup;
> >
>
> > On Mar 19, 9:10 pm, Paul Stockley wrote:
>
> > > Can't you justadda scrollPanel as the first child of thePopup?
>
> > --
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Re: Resizing DockLayoutPanel child.
Any resolution on this one... I have a text editor in the North panel and another text editor in the Center panel of a SplitLayoutPanel. All set to 100% and everything displays fine, but text editors only resize horizontally, not vertically. On Apr 8, 11:15 pm, dueckes wrote: > Hi all, > > I have a DockLayoutPanel with two children, one occupying the West > Direction and the other Center. > > When a user clicks a button my intention is toresizethe child in the > West direction and have that stretch or shrink the size of the child > at the Center direction accordingly. > > Playing with the API I have been able to achieve two things: > 1)Resizethe _entire_ DockLayoutPanel via a callback passed to the > animate method. I don't seem to be able to manipulate child > dimensions here. > 2) Using a similar approach,resizethe child in the West Direction > _without_ effecting the dimensions of the child at the Center > Direction - i.e. the DockLayoutPanel containers for the children are > uneffected. > > I have considered subclassing DockLayoutPanel and exposing a method to > manipulate child widget LayoutData directly - but this approach > doesn't play well with UiBinder. > > Can anyone recommend any way of achieving this? Note I'm also > experiencing a similar problem withSplitLayoutPanel. > > Regards, > > Matthew -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
GWTTestCase error
Hi, I'm trying to run a GWTTestCase but I'm getting the error below: [ERROR] Exception in thread "htmlUnit client thread" com.gargoylesoftware.htmlunit.ObjectInstantiationException: unable to create HTML parser [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java: 515) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java: 440) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java: 328) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java: 304) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java: 134) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java: 101) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java: 414) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java: 297) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java: 354) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java: 339) [ERROR] at com.google.gwt.junit.RunStyleHtmlUnit $HtmlUnitThread.run(RunStyleHtmlUnit.java: 100) [ERROR] Enclosed exception: org.xml.sax.SAXNotRecognizedException: Feature 'http://cyberneko.org/html/features/parse-noscript-content' is not recognized. [ERROR] at org.apache.xerces.parsers.AbstractSAXParser.setFeature(Unknown Source) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java: 509) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java: 440) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java: 328) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java: 304) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java: 134) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java: 101) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java: 414) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java: 297) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java: 354) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java: 339) [ERROR] at com.google.gwt.junit.RunStyleHtmlUnit $HtmlUnitThread.run(RunStyleHtmlUnit.java: 100) [ERROR] Exception in thread "htmlUnit client thread" com.gargoylesoftware.htmlunit.ObjectInstantiationException: unable to create HTML parser [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java:515) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java:440) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java: 328) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java: 304) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java: 134) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java: 101) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java: 414) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:297) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:354) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:339) [ERROR] at com.google.gwt.junit.RunStyleHtmlUnit $HtmlUnitThread.run(RunStyleHtmlUnit.java:100) [ERROR] Enclosed exception: org.xml.sax.SAXNotRecognizedException: Feature 'http://cyberneko.org/html/features/parse-noscript-content' is not recognized. [ERROR] at org.apache.xerces.parsers.AbstractSAXParser.setFeature(Unknown Source) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java:509) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser $HtmlUnitDOMBuilder.(HTMLParser.java:440) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java: 328) [ERROR] at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java: 304) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java: 134) [ERROR] at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java: 101) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java: 414) [ERROR] at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:297) [ERROR] at com.gargoylesoftware.htmlunit.WebClient
Any svn users? Which folders / files can we ignore?
Hi, Anyone else here using svn with gwt? If so, wondering if you ignore all the generated folders somehow? I'm ignoring .class files, but wonder what other stuff we can ignore from the project? I know when the compiler runs it generates a lot of additional files we can ignore. Are you just ignoring the entire output folder? Thank you -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
GWT compiler on GAE
Is there a way to using Google Web Toolkit compiler directly in deployed Google AppEngine application at run-time on GAE server? -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Ext gwt and HSQLDB
I create a form using ext gwt sucessfully. Then i have to connect to HSQLDB using hibernate gilead and i want to use Ant. I dont have any idea on thatplz help mewhere should to start and end. Plz provide ant example .thanks. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: New open source MVP(UiBinder) GWT Framework with GIN - Handlebars
Tristan, Wow! This is great... I have been looking for an elegant way to integrate MVP / UIBinder patterns thanks for sharing this with us Enrique Perez Austin, Texas On Apr 30, 3:11 pm, Tristan wrote: > Hey all, > > I've built this framework for some of the projects I've been involved > with (this is just the client-side, working on open sourcing the App > Engine side soon). I thought it would be useful to open source > something that works in real projects, especially for those of you > getting started. > > It uses place service to dictate the state of the application. > Incorporates event bus, adds some dto and multiple dto fetching stuff > already baked in, relies on dependency injection from GIN, etc. > > There's a lot to take in, but here it is: > > http://code.google.com/p/handlebars/ > > Feel free to provide feedback or comment. > > All the best, > > Tristan > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Custom component with DIV markup?
take a look at http://code.google.com/intl/en/webtoolkit/doc/latest/DevGuideUiBinder.html 2010/4/30 jocke eriksson > Use the ui binder and create an HTMLPanel. Thats what it's for. > > 2010/4/29 d95sld95 > > >> How do I create a custom component or composite that creates HTML >> markup like this? >> >> >> >> >> >> >> >> >> >> >> >>Copyright © 2009 Company Name, Inc. >> >> >> >> >> >> >>> title="">Home | >> >>About >> Us | >> >> >>> title="">Portfolio | >> >> >>Our >> Services | >> >> >>Terms & >> Condition | >> >> >>Privacy >> Policy | >> >>Sitemap >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> Do I use DOM.createDiv() or how can I do this? I could use HTMLPanel - >> but how do I maintain browser compatibility then? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google Web Toolkit" group. >> To post to this group, send email to google-web-tool...@googlegroups.com. >> To unsubscribe from this group, send email to >> google-web-toolkit+unsubscr...@googlegroups.com >> . >> For more options, visit this group at >> http://groups.google.com/group/google-web-toolkit?hl=en. >> >> > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com > . > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > -- Indifference will be the downfall of mankind, but who cares?... http://blog.opsiland.info/ -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Ray Ryan, best practices and embracing asynchronicity
Another question beginning with the sentence "I watched Ray Ryan's talk": Firstly, great talk. Full of really useful ideas. But I have a dilemma. 1) On one hand, I want to follow the advice that says "go with the asynch flow". I'm happy to do that. 2) On the other hand, I also want to follow the advice that object graphs should be avoided and domain objects should really just contain ids of their related objects. In the case of lists, this is to avoid sending too much useless info over the wire. And for AppEngine users working with JDO, this is unavoidable in any case, for objects in an 'unowned' relationship with the top level object. The combination of these two pieces of advice leads me to a situation where I could really do with some advice on what is considered best practice. Imagine I have a domain object - call it Person - which has multiple related 'unowned' objects, e.g. Group, Company etc. I want to list a bunch of Persons on my GWT front end, but the display for each row requires data from the related objects (e.g. group name, company name). Following advice 2 above (or perhaps constrained by JDO), my User object has only the ids of the related Group and Company objects, and so after retrieving the list of Users from the server side, the User List Presenter must make a separate RPC call for each Group and Company object for each User. Let's pretend that because of smart caching this wasn't particularly expensive (arguable). I'm still left with the problem that following advice 1 about each call is asynch. I can't display a User row until I hear back from the two Group and Company calls. To achieve this delayed display, I have to 'recombine' the two asynch calls using some kind of local flags, and only when both callbacks have been triggered is it safe to display the row. Besides the ugliness and complexity of code like that, there is also the possibility that the order of my list will be changed due to the unpredictability of the callback sequence. There are a number of workarounds I can think of, but I'd really like some advice based on experience, if somebody is willing to share. The solution I would tend towards would be to build a graph on the serverside and to hell with advice 2. Any takers? -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
SplitLayoutPanel, Resizing
Hi All. Relatively new to GWT, but have given it about a 20,000 line test drive and oh, yeah I like. I like :-)) Just got all working on a hosting service a couple nights ago and am impressed with performance as well. A couple of questions (will update the post if I find the answer before response) 1) In my application I am implementing a splitlayoutpanel with two rich text editors - one in the NORTH panel and one in the CENTER panel (top and bottom). When the vertical adjustment slides up, I would like to anchor the bottom of the rich text editor to the bottom and of the CENTER split layout panel, and vice versa for the rich text editor that is in the NORTH panel. In other languages, there is usually a 'bind' or 'anchor' command on such sliders. I looked high and low for examples of resize, but found very little. If there is explanatory code, please send a link. 2) Is there a way with Java servlets to gauge the amount of sessions being served on a JVM - trying to setup a poor man's load balancer. 3) I cannot get any of my list boxes to refresh. I call projectListBox.clear(); and that seems to work, but the data that comes back up on the list boxes are the same. Is there a way to do this efficiently? Thank you. Kirt Cathey sysrisk.com -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Why is GWT so slow?
Running the default program creted when create a new project on
Eclipse IDE, the text field take almost a minute to show.
I tried in IE, Firefox and Chrome.
I'd put a break point on first line of onModuleLoad, and it take about
a minute to enter the debug mode.. Another good seconds were wasted on
line:
RootPanel.get("nameFieldContainer").add(nameField);`
What could be wrong?
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Re: GWT - Visualization of graph/tree containing nodes and edges, moving and adding nodes...
sure ... just read README.txt (http://code.google.com/p/raphaelgwt/ source/browse/trunk/samples/MyCircle/README.txt) without eclipse it is just one command: ant devmode which runs the sample in development mode (ou, the zero step is to set up correctly GWTPATH environment variable to your GWT libraries). You can inspire from the sample project in order to create new one. Peter On 29. Apr, 21:35 h., leyg wrote: > the raphaelgwt wrapper is perfect!!! > but how can i configure it working (with ecplise or without eclipse) > just with GWT... i have problems in how to add the library... the > steps in the wiki of raphaelgwt does't help... > > did anybody configure it? > > On 19 Apr., 21:41, Peter Simun wrote: > > > > > and what about usingGWTraphaelwrapper ?http://code.google.com/p/raphaelgwt/ > > > You can find getting started wiki there (http://code.google.com/p/ > > raphaelgwt/wiki/GettingStarted) and also the sample > > projecthttp://code.google.com/p/raphaelgwt/source/browse/#svn/trunk/samples. > > > -p- > > > On 15. Apr, 22:12 h., David Kendall wrote: > > > > gafgaf wrote: > > > >ok its done, i tried but it is not very compatible with current > > > >versions of Firefox, IE, ... and GWT2.0 > > > >and that project is not progressed and improved anymore... > > > > >nevertheless, thanks a lot! > > > >best regards > > > > >On 15 Apr., 18:22, gafgaf wrote: > > > >> Hi, thanks for the link, it looks good... i like try it but i have > > > >> problems configuring it withgwt, is there a manual for dummies using > > > >> eclipse or without eclipse? > > > > >> best regards > > > > >> On 15 Apr., 16:48, kozura wrote: > > > > >> > maybehttp://code.google.com/p/gwt-diagrams/ > > > > >> > On Apr 14, 12:26 pm, gafgaf wrote: > > > > >> > > Hi > > > >> > > I'm student from Germany an looking for any good library that i can > > > >> > > use with Google Web Toolkit to create trees/graphs, where you can > > > >> > > move > > > >> > > nodes and connect these nodes with edges...but not like PieChart, > > > >> > > MotionChart.. but like e.g.:http://raphaeljs.com/graffle.html. > > > >> > > So finally it has to do with JavaScript... i don't like make just a > > > >> > > desktop-application. > > > > >> > > My problem is i'm beginner and i dont know which libraries would be > > > >> > > appropriate for my idea with the tree/graph... I'am looking a while > > > >> > > for some appropriate libraries in the internet, but so far i didn't > > > >> > > found something usefull that works withGWT(gwt-jsviz is already a > > > >> > > dead project as i see)...do you have any suggestion for me, how i > > > >> > > can > > > >> > > realize my idea withGWT, maybe without any external librariy... i > > > >> > > would be very pleased and happy... > > > > >> > > Thanks and best regards > > > >> > > Gafur > > > > >-- > > > >You received this message because you are subscribed to the Google > > > >Groups "Google Web Toolkit" group. > > > >To post to this group, send email to google-web-tool...@googlegroups.com. > > > >To unsubscribe from this group, send email to > > > >google-web-toolkit+unsubscr...@googlegroups.com. > > > >For more options, visit this group > > > >athttp://groups.google.com/group/google-web-toolkit?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google Web Toolkit" group. > > To post to this group, send email to google-web-tool...@googlegroups.com. > > To unsubscribe from this group, send email to > > google-web-toolkit+unsubscr...@googlegroups.com. > > For more options, visit this group > > athttp://groups.google.com/group/google-web-toolkit?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: New open source MVP(UiBinder) GWT Framework with GIN - Handlebars
Hey! Just looked into the source a bit and i found some interesting ideas in your code that i have to try out for myself! Will help me alot with my own stuff. I'll have a deeper look into the things your doing with the History. Regards and good work, as far as i can say that : )) On Apr 30, 10:11 pm, Tristan wrote: > Hey all, > > I've built this framework for some of the projects I've been involved > with (this is just the client-side, working on open sourcing the App > Engine side soon). I thought it would be useful to open source > something that works in real projects, especially for those of you > getting started. > > It uses place service to dictate the state of the application. > Incorporates event bus, adds some dto and multiple dto fetching stuff > already baked in, relies on dependency injection from GIN, etc. > > There's a lot to take in, but here it is: > > http://code.google.com/p/handlebars/ > > Feel free to provide feedback or comment. > > All the best, > > Tristan > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to google-web-tool...@googlegroups.com. > To unsubscribe from this group, send email to > google-web-toolkit+unsubscr...@googlegroups.com. > For more options, visit this group > athttp://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
