Re: Masked Input
If you use gwt-ext, you can use Ext.mask or Ext.unmask. I have a open source project which use that. http://code.google.com/p/ppl-kit you can get the working code there. Sammi On Sun, Nov 30, 2008 at 2:29 AM, Riyaz Mansoor [EMAIL PROTECTED]wrote: I'm interested in this as well. On Nov 29, 12:15 am, jsantaelena [EMAIL PROTECTED] wrote: Hi Someone knows libe withmaskedwidgets? 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Who can read chinese?
Hi I can help you. what do you need? On Thu, Nov 27, 2008 at 8:16 PM, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I need help , i hava some API of YI language , but all words is china words , who can help me?ASAP , 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Cookies in hosted mode won't go away
Cookies.removeCookie(userId) doesn't work here too. I use expire time to remove it, it works. int COOKIE_TIMEOUT = 0; Date removeExpire = new Date((new Date()).getTime() + COOKIE_TIMEOUT); // //remove the cookie, works. Cookies.setCookie(cookieName,null, removeExpire); Good luck, Sammi On Mon, Nov 17, 2008 at 9:50 AM, Eros [EMAIL PROTECTED] wrote: Hi, I can't get rid of cookies in hosted mode. I wrote a userId cookie using: Cookies.setCookie(userId, userId); and now I can't remove it. I tried the following: - Cookies.removeCookie(userId); - restarting the hosted mode - Eclipse - Project - Clean... - restarting Eclipse - removing www - removing everything under tomcat/work/gwt/localhost/_/ If I do a Compile/Browse everything works as expected, cookies get removed with Cookies.remove or clearing the cache in Firefox. I use Ubuntu 8.10 and GWT 1.5.3 Any help is appreciated. Cheers, Eros --~--~-~--~~~---~--~~ 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: migrating to GWT-EXT
Ext.mask and Ext.unmask(), Ext is a GWT-EXT core class. You could find a working class in my project http://code.google.com/p/ppl-kit On Thu, Nov 13, 2008 at 10:49 PM, Litty Preeth [EMAIL PROTECTED]wrote: Sorry... I didnt quite understand ur post. You mean you used EXT JS mask and unmask functions? - Litty On Fri, Nov 14, 2008 at 12:07 PM, yunhui song [EMAIL PROTECTED]wrote: Hi Litty, I just finished a project to implment LightBox affect. I use ext.mask() and ext.unmask(). In my apinion, It's quite good. http://code.google.com/p/ppl-kit. I use gwt-ext and removed the extra files. It's only 40k and 4 support resource files. Hope that helps. Sammi On Thu, Nov 13, 2008 at 9:59 PM, Litty Preeth [EMAIL PROTECTED]wrote: Hi All, Thank you soo much for all your response Actually I wanted to use the GWT-EXT mainly for Tree and Modal Popups. I wanted the tree popup menu and the gray out of the screen when modal popups are shown (LightBox effect). Is it worthy enough to use GWT-EXT for these? Regards, Litty Preeth On Fri, Nov 14, 2008 at 6:01 AM, Roger Marin [EMAIL PROTECTED] wrote: After having finished with a fairly large project using GWT-EXT i would personally advise staying away from it, specially if you are a newbie with GWT. Why? * GWT-EXT's programming model != GWT's programming model. GWT-EXT is basically a JSNI wrapper for the ext-js API * Very slow performance compared to using pure GWT * The gwt-ext forums are filled with unanswered questions and very little answers from the project members. * If you are planning on using RPC, either be ready to spend 200$ on the plus version or move to GWTX. * With GWT-EXT your are stuck with ext 2.02 since the license change fiasco. These are some of the reasons why, i could go on with the bashing but this is not the right place. From now on if i really need eye-candy i'll probably use flex or pure javascript or ext, most of the widgets that make GWT-EXT/GXT interesting are already available as part of the incubator(paging, grids, etc). cheers. 2008/11/13 posta07 [EMAIL PROTECTED] Take a look at Ext-GWT (GXT) from extjs.com. It's the same extjs widgets written in pure GWT. On Nov 13, 9:33 am, Litty Preeth [EMAIL PROTECTED] wrote: Hi, I am using simple GWT in my current project. I wanted to use some GWT- EXT widgets also. Can anybody tell me if there is anything to take care of when integrating GWT-EXT also to a current GWT project? Are there any clashes which might occur? Thnx n Regards, Litty Preeth --~--~-~--~~~---~--~~ 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: migrating to GWT-EXT
Hi Litty, I just finished a project to implment LightBox affect. I use ext.mask() and ext.unmask(). In my apinion, It's quite good. http://code.google.com/p/ppl-kit. I use gwt-ext and removed the extra files. It's only 40k and 4 support resource files. Hope that helps. Sammi On Thu, Nov 13, 2008 at 9:59 PM, Litty Preeth [EMAIL PROTECTED] wrote: Hi All, Thank you soo much for all your response Actually I wanted to use the GWT-EXT mainly for Tree and Modal Popups. I wanted the tree popup menu and the gray out of the screen when modal popups are shown (LightBox effect). Is it worthy enough to use GWT-EXT for these? Regards, Litty Preeth On Fri, Nov 14, 2008 at 6:01 AM, Roger Marin [EMAIL PROTECTED] wrote: After having finished with a fairly large project using GWT-EXT i would personally advise staying away from it, specially if you are a newbie with GWT. Why? * GWT-EXT's programming model != GWT's programming model. GWT-EXT is basically a JSNI wrapper for the ext-js API * Very slow performance compared to using pure GWT * The gwt-ext forums are filled with unanswered questions and very little answers from the project members. * If you are planning on using RPC, either be ready to spend 200$ on the plus version or move to GWTX. * With GWT-EXT your are stuck with ext 2.02 since the license change fiasco. These are some of the reasons why, i could go on with the bashing but this is not the right place. From now on if i really need eye-candy i'll probably use flex or pure javascript or ext, most of the widgets that make GWT-EXT/GXT interesting are already available as part of the incubator(paging, grids, etc). cheers. 2008/11/13 posta07 [EMAIL PROTECTED] Take a look at Ext-GWT (GXT) from extjs.com. It's the same extjs widgets written in pure GWT. On Nov 13, 9:33 am, Litty Preeth [EMAIL PROTECTED] wrote: Hi, I am using simple GWT in my current project. I wanted to use some GWT- EXT widgets also. Can anybody tell me if there is anything to take care of when integrating GWT-EXT also to a current GWT project? Are there any clashes which might occur? Thnx n Regards, Litty Preeth --~--~-~--~~~---~--~~ 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
MySpace makeRequest req.send(response) doesn't only works on FireFox
Dear Groups,
I'm developing a widget for Myspace by GWT. I use JSNI to embed the
opensocial API relative code.
1. add a listener for my panel;
addListener(new PanelListenerAdapter() {
public void onActivate(Panel panel) {
logWindow.log(recordPanel activated.
callMakeRequest(+_baseUrl+_storeId+));
callMakeRequest(thisPanel,_baseUrl,_storeId);
}
});
}
2.my jsni code
private native void callMakeRequest(Panel thisPanel,String
baseUrl,String storeId) /*-{
$wnd[recordResponse] = function(obj) {
[EMAIL PROTECTED]
::handleResponse(Lcom/magpieradio/client/ui/RecordResponse;)(obj);
};
var os_param = new Array();
os_param[gadgets.io.RequestParameters.METHOD] =
gadgets.io.MethodType.GET;
os_param[gadgets.io.RequestParameters.CONTENT_TYPE] =
gadgets.io.ContentType.DOM;
//var url = baseUrl+data.php?al=0myspaceid=+storeId;
var url = 'http://www.magpie.fm/~yunhui_song/bandResource.xml';
gadgets.io.makeRequest(url, recordResponse, os_param);
}-*/;
and java-js bridget code
public void handleResponse(RecordResponse br) {
logWindow.log(call handleResponse);
String xmlMsg = br.getRecordListing();
logWindow.log(xmlMsg=+xmlMsg);
logWindow.log(call refreshByXmlMsg+xmlMsg);
refreshByXmlMsg(xmlMsg);
}
class RecordResponse extends JavaScriptObject {
// Overlay types always have protected, zero-arg ctors
protected RecordResponse() {
}
public final native String getRecordListing() /*-{
return this.text;
}-*/;
}
I use a debug window to display the output on myspace, alert() doesn't work
on myspace. I told me everything is ok in FireFox3, but When I tested in
other browsers(IE, Chrome,Opera and Safari), this method doesn't work.
gadgets.io.makeRequest(url, recordResponse, os_param);
In chrome and Safari I got the error message:
Refused to set unsafe header Content-length
Refused to set unsafe header Connection
After reading documentation from myspace reference and opensocial API
reference in more detail, I don't found any clue about the problem.
Has anybody faced the similiar case? any suggestion is welcome. Thanks in
advance.
Sammi
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Re: Class.forName(String) Instance
Hi, Please check out Guice+Gin. That's the solution for Java Reflection by GWT. Sammi On Mon, Nov 10, 2008 at 11:01 AM, jmpeace [EMAIL PROTECTED] wrote: I was wondering if someone could help me out with this problem. I need to get and object from an especific class (that extends a class named DDOField). I'm doing this to get a new instance according to the type requested: HashMapString, DDOField availableFields = new HashMapString, DDOField(); availableFields.put(simpletext, new SimpleTextField()); availableFields.put(password, new PasswordField()); availableFields.put(validated, new ValidatedField()); availableFields.put(richtext, new RichTextField()); availableFields.put(textarea, new TextAreaField()); availableFields.put(simpledate, new SimpleDateField()); availableFields.put(short, new ShortField()); availableFields.put(int, new IntField()); availableFields.put(long, new LongField()); availableFields.put(enum, new EnumField()); availableFields.put(boolean, new BooleanField()); type = simpletext; DDOField field = availableFields.get(type); That way I get the variable 'field' to point to a new instance of the type 'simpletext' (new SimpleTextField()). The problem is that I'm creating 11 new instances just to use one of them. I've tried to use Class.forName but it is not supported in GWT, also tried GWT.Create() but it didn't work as I expected or maybe I'm doing something wrong. Any help with this matter will be greatly 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Sleep() or wait() inside valueChanged Listener
Timer timer = new Timer(){
public void run(){
//execute your task here
}
};
timer.schedule(1);//sleep 1 second
or use DeferredCommand and IncrementCommand. check it on gwt document.
Sammi
http://code.google.com/p/openorg
On Thu, Nov 6, 2008 at 6:29 AM, Anurag Tripathi [EMAIL PROTECTED] wrote:
Hi,
Can we call Sleep( ) or wait( ) method for some busy waiting inside
valueChangedListener without any threads?
Please let me know if anybody has idea on this.
Thanks
_Anurag
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Re: GWT-ext or ext-GWT?
I've used gwt-ext for about one month and used that for a quite complex real world project. I've also tried to use ext-gwt.(It seems that ext-gwt support ext2.2 but gwt-ext suport 2.0.2 and lower version). From my current understanding, gwt-ext is very stable and has much more features that ext-gwt. Sammi On Wed, Nov 5, 2008 at 12:08 AM, zebulon303 [EMAIL PROTECTED] wrote: I am trying to use ext-gwt for a few days, and I get crazy because of the really poor documentation available, you only have the code to understand what you are doing, and not enough general guidelines. I don't know how it is for GWT ext, but I will definitely have a look. I am really new with GWT in general, maybe that's why I need more documentation. I was trying to figure out how to add a delete button to the EditorGrid, or just access the current selected item of the grid. I find it really difficult to get to this simple information. --~--~-~--~~~---~--~~ 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Reading XML file from localhost
Hi mives29,
I just solve the problem. It's quite direct and easy.
1. upload your xml file to any webserver, e.g. http://a.b.c/test.xml
2. use RequestBuilder to get it. your url.
3. String xmlStr = response.getText();
4. use XMlParser to parse the xmlStr. that's it. Sample snippet code here:
String url = test.xml;
RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET,url);
try {
requestBuilder.sendRequest(null, new RequestCallback() {
public void onError(Request request, Throwable exception) {
}
public void onResponseReceived(Request request, Response response){
String xmlStr=response.getText();
//Parse it then.
}
}
);
} catch (RequestException ex) {
GWT.log(ex.getMessage(), ex);
}
Hope that helps
Sammi
On Tue, Nov 4, 2008 at 7:24 PM, mives29 [EMAIL PROTECTED] wrote:
Hi. I'm a newbie in GWT, and I've been tasked to create a utility
class to parse xml files that the contents would be used in layouting
the widgets in its container panel (along with other UI
configurations).
I've accomplished this by using a service, which uses Java's DOM style
of parsing. This service returns an array list of serializable objects
that I created (a POJO that stores the configurations). Then I use the
POJOs inside that array list to set various stuff in the UI (xpos,
ypos, etc) for different widgets.
Then I've found out that GWT has the xml api, that I can use to parse
my XML. However, XMLParser .parse() only accepts the string
representation of the actual XML file. I thought that I could do the
same thing I did with my service implementation (using
documentbuilder.parse(path-to-xmlfile).
Now I'm thinking of creating a service that would return a string
representation of the XML file, then send it to my GWT class and let
that class handle the parsing. Is this possible? or is this even
acceptable?
Ive been seeing stuff on the net using HttpRequest(or RequestBuilder?)
to get XML from a script, but I dont know how to do that(the example
was on php.)
Any idea how can I implement this properly? Thanks
mives29
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Re: Sub domain code need update its main domain page content
Hi Sumit, First of all, thank you very much for your response. I'll try your solution immediately. After that, I'd like share the successful result to the group(I hope it would be succeed.) Thanks again, Sammi On Mon, Oct 27, 2008 at 11:50 AM, Sumit Chandel [EMAIL PROTECTED]wrote: Hi Sammi, I think what you need for the cross-site setup is the cross-site bootstrap script generated by the GWT compiler. You can configure the GWT compiler to generate a cross-site bootstrap script by adding the add-linker name=xs / tag in your module XML file. The generated module.nocache.js bootstrap script will now be capable of cross-site loading. By the way, I noticed you mentioned that you're using gwt.js as your application bootstrap script, which seems to suggest that you're using an older version of GWT (1.4 or prior). If this is the case, I would strongly advise upgrading to GWT 1.5.3. If for some reason you have to stick to an older version of GWT, you may or may not be able to load your application in a cross-site fashion depending on which version of GWT you're using. In GWT 1.4, the cross-site bootstrap script is generated by default and can be found in the output directory with the name module-xs.nocache.js. In GWT 1.3, cross-site bootstrapping is not available. Hope that helps, -Sumit Chandel On Fri, Oct 24, 2008 at 4:06 PM, Sammi [EMAIL PROTECTED] wrote: Hi, We use amazon web store application. The domain name is store.mydomain.com, the ip is 1.2.3.4; I can not upload any files to this domain. Another domain we created is www.mydomain.com, the ip is different. 2.2.3.4. This is my own server, I can upload files to it. And then, I need create an application by modify an specific web page(named mystore.html) on store.mydomain.com. I can only change it by an submit its content by TextArea Input in an form. I choose using GWT to extend the pages function. That means: 1. I need add script src=http://www.mydomain.com/files/ *.nocache.js in mystore.html. 2. upload all gwt comiled files to www.mydomain.com/files/ Because the gwt js file is not belong to the same domain of mystore.html, a access denied error invoked in my firebug error console. When I dig into the gwt compiled code, I found gwt it is the following code which invokes the access denied error: $wnd=parent, var [EMAIL PROTECTED] parent refers to its parent html page. I understand that it is because the Same Domain Constraints. I am wondering If I could break through the access denied restrict by upload my gwt js files to another domain,like: gwtjs.store.mydomain.com The ip is same as my own server, www.mydomain.com, that is 2.2.3.4, it's different with store.mydomain.com. So it is the subdomain of store.mydomain.com, right? but the ip is different, it is not the same server. Can I use this way to access mystore.html content? Any suggestion is welcome. Thanks in advance. Sammi -- Sammi http://code.google.com/p/openorg --~--~-~--~~~---~--~~ 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: PureMVC
Hi Thomas,
I've seen some widgets be injected other widgets but not a single
event listener (or I missed something).
It's true that for my project I only injected some widgets on a main panel.
That's the project specific choice. Because it's more easy to do that.
I'am not very clear your use case now. Let me have a guess for the use case:
1. We have two widgets w1 and w2, both of them would fire Event clickEvent.
2. We need one Event Listener named CommonEventListener, we expect it can be
used to process clickEvent fired from both w1 and w2.
3. We hope the container, that is Gin to inject when system initialize. So
refractor the code like.
W1 w1 = new W1();
w1.addClickEventListener(new CommonEventListener(p1,p2){});
W2 w2 = new W2();
w2.addClickEventListener(new CommonEventListener(p1,p2){});
by:
CommonEventListener aCommonEventListener =
injector.getCommonEventListener();
W1 w1 = injector.getW1();
w1.addClickEventListener(aCommonEventListener);
W2 w2 = injector.getW2();
w2.addClickEventListener(aCommonEventListener);
Because polymorphism is not usable in GWT, we can not use W1 or W2's common
interface or base class as CommonEventListener. My suggestion is:
private W1 w1;
private W2 w2;
@inject
public CommonEventListener(W1 w1,W2 w2){
//w1 and w2 should be created by ginmodule as singleton instance.
this.w1 = w1;
this.w2 = w2;
}
public void onClick(Event e){
if(e.getSource() == w1){
//w1.update();
}else if(e.getSource() == w2){
//w2.update();
}
}
I don't think it's an perfect solution(you must change the parameter, as you
said, use ListT is same like ). But it should be able to manage the
listener and ui creation by container and unit test could be implemented
easily.
Hope that is not confusing.
Sammi
On Sun, Oct 26, 2008 at 6:50 PM, Thomas Broyer [EMAIL PROTECTED] wrote:
On 27 oct, 00:09, yunhui song [EMAIL PROTECTED] wrote:
Hi,
Actually, Gin is used to implements Ioc Container. It can bind
everything
not only event Listener.
Guice or Spring can do that naturally, but because GWT can not support
Java reflection, such as forClass(className).getInstance. So Gin use
generic and annotation to do that.
Sorry, I should have been clearer: I know what Guice (and Gin) and
Spring are. Just that they cannot AFAIK inject listeners (i.e. call
some addXListener method, eventually several times on a single
instance). Of course you can use method injection with a
setXListeners(ListXListener) method (should be supported by Gin as
of today) but I wouldn't call it injecting event listeners; or
inject event sources or event targets but that's not flexible at all
(why having event listeners in this case, just keep references to
the injected widgets and call the appropriate methods on them)
I have a open source project to do that. GinModule and GindInjector
are
key players for that.
please check out here, that's a real world project.
http://openorg.googlecode.com/svn/trunk/magpie
I've seen some widgets be injected other widgets but not a single
event listener (or I missed something).
--
Sammi
http://code.google.com/p/openorg
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Fwd: PureMVC
-- Forwarded message --
From: yunhui song [EMAIL PROTECTED]
Date: Sun, Oct 26, 2008 at 8:26 PM
Subject: Re: PureMVC
To: Google-Web-Toolkit@googlegroups.com
Hi Thomas,
I've seen some widgets be injected other widgets but not a single
event listener (or I missed something).
It's true that for my project I only injected some widgets on a main panel.
That's the project specific choice. Because it's more easy to do that.
I'am not very clear your use case now. Let me have a guess for the use case:
1. We have two widgets w1 and w2, both of them would fire Event clickEvent.
2. We need one Event Listener named CommonEventListener, we expect it can be
used to process clickEvent fired from both w1 and w2.
3. We hope the container, that is Gin to inject when system initialize. So
refractor the code like.
W1 w1 = new W1();
w1.addClickEventListener(new CommonEventListener(p1,p2){});
W2 w2 = new W2();
w2.addClickEventListener(new CommonEventListener(p1,p2){});
by:
CommonEventListener aCommonEventListener =
injector.getCommonEventListener();
W1 w1 = injector.getW1();
w1.addClickEventListener(aCommonEventListener);
W2 w2 = injector.getW2();
w2.addClickEventListener(aCommonEventListener);
Because polymorphism is not usable in GWT, we can not use W1 or W2's common
interface or base class as CommonEventListener. My suggestion is:
private W1 w1;
private W2 w2;
@inject
public CommonEventListener(W1 w1,W2 w2){
//w1 and w2 should be created by ginmodule as singleton instance.
this.w1 = w1;
this.w2 = w2;
}
public void onClick(Event e){
if(e.getSource() == w1){
//w1.update();
}else if(e.getSource() == w2){
//w2.update();
}
}
I don't think it's an perfect solution(you must change the parameter, as you
said, use ListT is same like ). But it should be able to manage the
listener and ui creation by container and unit test could be implemented
easily.
Hope that is not confusing.
Sammi
On Sun, Oct 26, 2008 at 6:50 PM, Thomas Broyer [EMAIL PROTECTED] wrote:
On 27 oct, 00:09, yunhui song [EMAIL PROTECTED] wrote:
Hi,
Actually, Gin is used to implements Ioc Container. It can bind
everything
not only event Listener.
Guice or Spring can do that naturally, but because GWT can not support
Java reflection, such as forClass(className).getInstance. So Gin use
generic and annotation to do that.
Sorry, I should have been clearer: I know what Guice (and Gin) and
Spring are. Just that they cannot AFAIK inject listeners (i.e. call
some addXListener method, eventually several times on a single
instance). Of course you can use method injection with a
setXListeners(ListXListener) method (should be supported by Gin as
of today) but I wouldn't call it injecting event listeners; or
inject event sources or event targets but that's not flexible at all
(why having event listeners in this case, just keep references to
the injected widgets and call the appropriate methods on them)
I have a open source project to do that. GinModule and GindInjector
are
key players for that.
please check out here, that's a real world project.
http://openorg.googlecode.com/svn/trunk/magpie
I've seen some widgets be injected other widgets but not a single
event listener (or I missed something).
--
Sammi
http://code.google.com/p/openorg
--
Sammi
http://code.google.com/p/openorg
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Re: PureMVC
Hi Thomas,
I've seen some widgets be injected other widgets but not a single
event listener (or I missed something).
It's true that for my project I only injected some widgets on a main panel.
That's the project specific choice. Because it's more easy to do that.
I'am not very clear your use case now. Let me have a guess for the use case:
1. We have two widgets w1 and w2, both of them would fire Event clickEvent.
2. We need one Event Listener named CommonEventListener, we expect it can be
used to process clickEvent fired from both w1 and w2.
3. We hope the container, that is Gin to inject when system initialize. So
refractor the code like.
W1 w1 = new W1();
w1.addClickEventListener(new CommonEventListener(p1,p2){});
W2 w2 = new W2();
w2.addClickEventListener(new CommonEventListener(p1,p2){});
by:
CommonEventListener aCommonEventListener =
injector.getCommonEventListener();
W1 w1 = injector.getW1();
w1.addClickEventListener(aCommonEventListener);
W2 w2 = injector.getW2();
w2.addClickEventListener(aCommonEventListener);
Because polymorphism is not usable in GWT, we can not use W1 or W2's common
interface or base class as CommonEventListener. My suggestion is:
private W1 w1;
private W2 w2;
@inject
public CommonEventListener(W1 w1,W2 w2){
//w1 and w2 should be created by ginmodule as singleton instance.
this.w1 = w1;
this.w2 = w2;
}
public void onClick(Event e){
if(e.getSource() == w1){
//w1.update();
}else if(e.getSource() == w2){
//w2.update();
}
}
I don't think it's an perfect solution(you must change the parameter, as you
said, use ListT is same like ). But it should be able to manage the
listener and ui creation by container and unit test could be implemented
easily.
Hope that is not confusing.
Sammi
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Re: PureMVC
Hi I have used Guice and Gin to implements MVC framework(like backend spring framework). By this way view(ui), event Listener and data access(xmlHttpReqeust wrapped by REST-GWT) can be seperated by three layers. Gin module used to initialize and couple all the instance used in the GWT module. It's a typicall Ioc container. I found it is rocking by this way in my project. Sammi On Thu, Oct 23, 2008 at 8:06 AM, Flemming Boller [EMAIL PROTECTED]wrote: Hi We have done it like the mediator has a reference to the view (which implements a gwt- neutral interface). The View has a hard reference the mediator. We want the mediator to be unaware of GWT because that means we are able to perform many junit tests of the gui without using the GETTestCasewhich is a no-go Testcase :-) Please let me hear how you progress and the experiences you have with puremvc /FLeming On Thu, Oct 23, 2008 at 2:11 PM, marcelo melo [EMAIL PROTECTED]wrote: Totally agree with you... Simplicity is key most of the times (at least it should :) ). I have one question that is really annoying me. Having used it (puremv) with Flex, it is easy to fire an event at the View and associate it with a method at the Mediator. But, how to deal with it on GWT? I am adding the Mediator as the event listener of the View (by making it implement the relevant View listeners - ClickListener, etc.), but I'm not quite sure if it's the best way to do it... Any ideas? Thanks! On Thu, Oct 23, 2008 at 9:53 AM, Flemming Boller [EMAIL PROTECTED] wrote: Yes I am. I think is it rather nice little MVC implementation, which has made it more easy for us to make components talk to each other in a loosely coupled way. Minus is however, that it easy also to create a spider web of notifications that is hard to overview. But common sense and keep it simple should be used here :-) /Flemming On Thu, Oct 23, 2008 at 1:48 PM, marcelo melo [EMAIL PROTECTED] wrote: Hi, is anyone using PureMVC for Java / GWT? Thanks -- Best Regards, Sammi --~--~-~--~~~---~--~~ 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-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
