On 08/10/11 11:48, darkflame wrote:
[...]
Basicly I have a page with a lot of widgets, imagine if I wanted to
tint the screen slightly - for example a 50% blue overlay. Yet I still
want the widgets all clickable/interactable as normal.
You can do it by setting pointer-events:none on the
On 03/10/11 21:45, Danux wrote:
I wanted to spare people go through my own code, so I simply create a
new web application project in Eclipse Indigo and compile the starter
code right away. When I click on the html page...
Are you doing this from a file manager? That loads the HTML page into
I did some more work on my GWT emulation library. You now get:
- java.io (InputStreams, OutputStreams, Readers, Writers, Files)
- java.nio (Buffers)
- java.nio.charset
- java.nio.channel (All the abstract channel stuff, plus FileChannel)
- java.util.zip (Complete, courtesy of JazzLib)
-
On 01/10/11 10:15, maticpetek wrote:
Hello,
What about http://code.google.com/p/goda-time/
Thanks, but that doesn't emulate java.util.Calendar.
--
┌─── ｄｇ＠ｃｏｗｌａｒｋ．ｃｏｍ ─ http://www.cowlark.com ─
│
│ Under communism, man exploits man. Under capitalism, it's just the
│ opposite. ---
So there's a new Javascript API, TypedArray. This provides efficient
fixed-type arrays for primitive data types. For example, Int8Array
stores only integers in the range -128..127.
It occurs to me that these would be ideal for GWT's implementations of
Java primitive object arrays. For example,
Does anyone know of any decent libraries to emulate the above classes?
So far I've found this:
http://code.google.com/p/gwt-calendar-class/
...but it doesn't appear to be quite complete and I'm having trouble
making it work. Anyone know of anything else?
(This is to make existing code work, so
Hello,
I've just released a library that, among other things, contains
reasonable implementations of big chunks of java.io and java.nio:
http://www.cowlark.com/cowj/
What you get is InputStreams, OutputStreams, Readers, Writers, Buffers,
Charset and a handful of charset codecs, and assorted
On 28/09/11 17:44, German Castellar wrote:
[...]
I have a client requirement for uploading images of aprox 5 Mb. Due to
a bandwidth constraint i need to compress this images and upload them
using GWT.
You want to use the HTML5 File API to read the file client-side and then
mangle them how you
On 21/07/10 16:10, Nathan Wells wrote:
There is only one case I know of where synchronous should be used:
when you want to do a server call and get a response when the user is
leaving the page.
I sincerely hope that my web browser would fail to honour this! Delaying
page close is deeply
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I'm trying to log in to a Google service by using AuthSub. This works by
redirecting the user to a Google login page, which then redirects back
to my app after login with a cookie in the #... section of the URL.
Unfortunately this appears to conflict
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I have a server-less (client-side code only) app for which I want to
store a few user preferences: total data is a few hundred bytes.
Right now I'm storing these in cookies, which works fine, but of course
don't work if the user runs my app from a
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I've been trying to integrate the web-socket-js Flash-based WebSocket
emulation library (from here: http://github.com/gimite/web-socket-js)
into my app.
I have it working, but as a side effect my app no longer debugs. I have
to compile it and run it
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I have a rich app client that wants to be able to construct data
algorithmically and save the result; it also wants to be able to read a
local file, and process it locally.
[No, I do *not* want unrestricted access to the filesystem from the
client! I
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On 06/05/10 16:08, undertow wrote:
Thank you for confirming what i had suspected i would need to do. So
the idea is, user enters a bunch of text into a textarea via typing it
all in or cut and paste from somewhere (like Word, ugh and its mangled
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On 04/05/10 22:11, undertow wrote:
hello, i seem to be having issued with GWT and character encoding. I
have an Oracle database which stores strings with iso-8859-1
encoding. GWT does NOT support java's String.getBytes(), nor does it
support new
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On 26/04/10 20:08, David Given wrote:
[...]
On 26/04/10 10:32, Thomas Broyer wrote:
[...]
You can add the emu subfolder to the Build Path (so that package
declarations match folder hierarchy) and add an exclude filter
(Excludes: **) so
On 2010-04-26 05:29, branflake2267 wrote:
[...]
It appears that your source isn't in the translatable directories that
would translate to javascript. Anything in project.client.* should
translate into javascript. There should be two packages
tld.domain.client.* and tld.domain.server.
Er, no
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On 26/04/10 10:32, Thomas Broyer wrote:
[...]
You can add the emu subfolder to the Build Path (so that package
declarations match folder hierarchy) and add an exclude filter
(Excludes: **) so that Eclipse doesn't compile the classes to your
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On 26/04/10 17:44, cretz wrote:
There's nothing like this out there per se since most of it won't work
anyways. You can see where some of the Google guys faked it w/ HTML 5
stuff (local storage, web sockets, etc) at
There's more to java.io that
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I'm trying to add some classes to the JRE emulation used by my app.
Right now I have a module in .../src/emu/Emulation.gwt.xml that uses
super-source and my classes in .../src/emu/java/io/Foo.java.
This works fine. However, Eclipse doesn't like it
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On 24/04/10 12:06, خليل بولو wrote:
[...]
كنت في الماضي القريب اناقش واتصفح ونشاط حاسم ولاكن بعد الشريط الامن لم
اتمكن من رؤية البريد الوارد ليكن اختلاط بين القياسين وغير امن
لطفا منكم ان تساعدني وهاذة رسالة اعتبرها انضمام الى مجموعتكم للاطلاع
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I have a requirement to parse MIME email messages on the client. I've
found a nice Java library to do this --- mime4j --- but it has
dependencies on java.io (string and byte buffer based streams and
readers) and java.nio (character set conversion).
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On 17/04/10 14:51, David Given wrote:
[...]
I'm trying to upgrade a GWT app from an older version of GWT to the
latest. Unfortunately, when after deploying, the servlet won't start up,
producing the following error:
This turns out to be due
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I'm trying to upgrade a GWT app from an older version of GWT to the
latest. Unfortunately, when after deploying, the servlet won't start up,
producing the following error:
[_commentator 2010/04/17 14:43:50] - ERROR: Failed to parse the policy
file
Brian Blain wrote:
[...]
I wanted to be able to move the project war dir to another computer
that does not have a server and open ClientUpload.html. Right now when
ClientUpload.html is opened in Firefox or Chrome the URL is file:///
C:/.../ClientUpload/war/ClientUpload.html and
Fon Vitale wrote:
[...]
I have been searching information about this and I have found examples
about get data from the server, not to send data to server (JSON
examples).
It's the same thing. In order to get data from the server, you have to
send data *to* the server to tell the server what
Fon Vitale wrote:
Can you refer me to an example, please?
There are about a billion on the 'net. Just make an ordinary POST call
and call setRequestData() on the RequestBuilder object before calling
send(). For added points, use a standard form parameter block for the
data
ThomasWrobel wrote:
Id like to know this too.
I'm not sure if its even possible for the parent frame to know the url
of the child frame if it changes.
My experiments always resulted in getting the initial url it was set
too, and not the new one since the user clicked.
Looking at the EyeOS
David Given wrote:
I want to embed a mini web browser into my app (for help text). I've
seen this done before on other sites. I want to load the help pages into
an iframe, and then use GWT widgetry to listen for onload events,
determine the page title, go forwards and back, and remotely
I want to embed a mini web browser into my app (for help text). I've
seen this done before on other sites. I want to load the help pages into
an iframe, and then use GWT widgetry to listen for onload events,
determine the page title, go forwards and back, and remotely set the URL.
I've looked
David G wrote:
[...]
I haven't been able to Google any answers to why GWT does this or what
would happen if I removed the jars from the deployment, so was
wondering if anyone had an answer to why the war keeps including all
these library jar files, if there is a simple ant script to remove
Jong Lee wrote:
I input Korean into GWT EXT TextArea but it just stored ??? into
MySQL. It seems to be stored broken.
That's unlikely to be a problem with GWT --- what's almost certainly
happening is that MySQL is using the wrong encoding for its text. That
is, GWT is providing UTF-8 to
Stephan wrote:
[...]
i want to use affine transformations in Google Web Toolkit... How do i
do that?
GWT has no graphics toolkit --- you can't actually *draw* anything other
than inserting HTML into your document. So if you're wanting to
transform graphics, you can't do that.
Or did you
Sripathi Krishnan wrote:
[...]
And supposing you end up guaranteeing the above, it means you have two
sets of functions in your class which don't speak to each other. Which
means they have no business being together in the same class. You could
just make a ServerSideDTO that extends from
switch
statement to generate an object of the right type.
- --
David Given
d...@cowlark.com
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Ian Bambury wrote:
[...]
It might be helpful (well it would for me anyway) if you were to
describe the effect you were trying to get.
Simple enough, really: I want a progress bar with text over the top.
To some extent I think I understand, but I don't understand the reason
for the problem
Nathan Wells wrote:
I realize this example is rather naive, but I think we can use it as a
starting point:
http://nathanwells.net/work/cssTest.html
Is that basically what you're looking for? I tested it in IE 8, 7 (via
compatibility mode), Firefox, and Chrome. Everything looks fine to
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If I run this:
String s = Double.toString(1234.0);
...then on the hosted browser I get 1234.0, but on Firefox 3.5 I get
1234. I haven't tried it on anything else yet.
Is this a known issue? Should I file a bug report?
- --
┌─── ｄｇ＠ｃｏｗｌａｒｋ．ｃｏｍ
Nathan Wells wrote:
Using absolute positioning:
This method requires that (1) the container must have dimensions set
(i.e. width: x% or px or whatever). (2) the child box has
position:absolute set.
If the above are true, you simply set the left, right, top, bottom,
width and height
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Robert Lang wrote:
[...]
- java.io.FileWriter is not supported by Google App Engine's Java
runtime environment
- java.io.FileWriter is not supported by Google App Engine's Java
runtime
That is correct. You cannot write to files using App
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I have a recurring problem that keeps hitting me with various projects.
There must be a way around it, but I have yet to find one...
I have a container of a fixed size. I want to put in this another
widget, and have that widget take up all the
ben fenster wrote:
your answear is based on your knolage in js but i need an answear
based on actual in depth knowlage in how browser work since each
iframe act as an independed wep page and loaded sepertly
No, you misunderstand --- if your code can see an iframe, that iframe
must be part of
Chris Lowe wrote:
Not having a JIT may be really biting you here. AFAIK GWT
serialisation makes extensive use of reflection, however there seems
to be a way to define a custom field serializer (looks similar to
using Externalizable), but I've not tried this myself:
Oo. I didn't know you
ben fenster wrote:
ok thats sounds right but if thats true can i access static classes
in the entrypoint module from a seperate module loaded in an iframe
(that ofcours exists in the first module) ?
Javascript will let you do it, provided the security rules let you (the
page in the iframe
bcw wrote:
[...]
I have the thought that a FireFox plug-in might allow access. I'll
want to learn about the security issues along the way.
Sure, but don't forget that you will need a *different* plugin for every
platform and browser combination. So you'll need one for Firefox on ix32
Chris Lowe wrote:
[...]
500-600 does seem like a lot of objects to be processing in one hit if
performance on a low end server is a concern, but then again 20
seconds seems like an awfully long time too.
Actually, thinking about it, it's more than that --- probably around
1500 objects (500
tolga ozdemir wrote:
[...]
Can you enlighten me wheather we could use javax.persistence.* in our
serialized DTO objects for the sake of RPC??
can I use @Table, @Id or other annotations?
The GWT runtime ignores annotations --- they're not kept at runtime on
the client. So you can pass
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ben fenster wrote:
i was wondering that if by opening another module in an iframe tag the
code of that module runs in another thread ??
Nope. There is no way of getting access to multiple Javascript threads
from a web browser, unless you use some
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spierce7 wrote:
[...]
By the way, I'm going to need to integrate with a web database. The
obvious one for me was MySQL, but that was mainly because PHP
integrates so easily with it. What kind of options do I have with this
while using GWT? I'd
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bcw wrote:
[...]
Those browsers run javascript without help, but I also want to be able
to access some shared system library functions on my linux box for
computations.
Is there a way to do that from a browser without an intervening
server?
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I've got an app intended to run on a fairly low-end server, so I've been
optimising it as hard as possible.
Right now I've got it to the stage where the biggest bottleneck is the
GWT server-side serialisation, as it's squirting a large database sync
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Sandman wrote:
[...]
I've been thinking about using Apache Tomcat as my test server. Are any
of the other web servers better suited for GWT-RPC?
I use Winstone on my server --- it's very small and lightweight but runs
GWT servlets perfectly. As
();
}
Any ideas as to what might be going on here?
- --
David Given
d...@cowlark.com
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I've got an app which is going to want to draw some simple diagrams
client-side. I don't want to use a Canvas for this, partly for
compatibility reasons, and partly because the hosted browser doesn't
support it which makes it a pig to test.
Right
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Ian Bambury wrote:
[...]
You have to calculate it and recalculate it every time the window resizes,
[...]
Aaargh!
I was really hoping not to have to do that --- my layout is complicated
and contains lots of CSS stuff, and trying to redesign all
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I'm trying to make a dead simple layout where a TabPanel occupies the
full height of the browser window. This is turning out to be rather
harder than I expected.
What I'm finding is:
- - setting the height of the TabPanel to 100% changes the height
I'm trying to get access to the inner document of a rich text editor.
However, whenever I try, I get bizarre errors; it appears to be giving
me bogus JavascriptObjects.
For example:
Element e = richtext.getElement();
String s = e.getTagName();
assert s.equals(IFRAME) /* passes */
David Given wrote:
[...]
I'm trying to find a way of determining the size of the *contents* of a
rich text editor. (In particularly, the height.) I need to be able to
size a widget to display the contents without a scrollbar.
Anyone know about this?
--
┌─── ｄｇ＠ｃｏｗｌａｒｋ．ｃｏｍ ─ http
Hi,
I'm trying to find a way of determining the size of the *contents* of a
rich text editor. (In particularly, the height.) I need to be able to
size a widget to display the contents without a scrollbar.
I've seen suggestions that I should be able to figure this out from
looking at the DOM
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Jason Morris wrote:
[...]
In short, you should make sure all of your RPC methods are reentrant and your
Servlets are
logically stateless (ie: they should not have any mutable fields).
Thanks, that's just what I was looking for.
- --
┌───
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Hi,
Does anyone have any information on threading issues as applied to the
RPC server code? I've been unable to find anything on the 'net.
In particular, I need to know about any synchronisation guarantees
between RPC function handlers. What
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