RE: [T4.1] Reading values from the app.properties file from a page class
Sorry I RTFM and worked it out for myself.
Thanks,
Craig
-Original Message-
From: Craig Spry [mailto:[EMAIL PROTECTED]
Sent: Thursday, 2 October 2008 4:18 PM
To: Tapestry users
Subject: [T4.1] Reading values from the app.properties file from a page class
Hello List,
I want to be able to get to the localized strings stored in the app.properties
file from my java page class, I've tried to use:
engine.getInfrastructure().getApplicationPropertySource().getPropertyValue("value")
This didn't seem to work. Is what I'm trying to do achievable? If so what do
I do to get this to work.
Thanks,
Craig Spry
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[T4.1] Reading values from the app.properties file from a page class
Hello List,
I want to be able to get to the localized strings stored in the app.properties
file from my java page class, I've tried to use:
engine.getInfrastructure().getApplicationPropertySource().getPropertyValue("value")
This didn't seem to work. Is what I'm trying to do achievable? If so what do
I do to get this to work.
Thanks,
Craig Spry
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RE: T4.1:Event connect strangness
Thanks for that. It wasn't included, it is now and all is working.
Craig
-Original Message-
From: Andreas Andreou [mailto:[EMAIL PROTECTED]
Sent: Wednesday, 24 September 2008 3:18 PM
To: Tapestry users
Subject: Re: T4.1:Event connect strangness
is the above script included in the ajax response?
Since the form is submitted and the new form markup replaces the old one,
the (new) taskSelect will not be monitored for changes
On Wed, Sep 24, 2008 at 7:32 AM, Craig Spry <[EMAIL PROTECTED]> wrote:
> Hello List,
>
> I have a form with a @PropertySelection component in it, when this changes
> some elements on the page change. The HTML looks like this:
>
> updateComponents="ognl:{'allDetails'}">
> style="width:250px;">
>
>
> This is being listed to by a method like this:
> @EventListener(events = "onchange", targets = "taskSelect", submitForm =
> "taskSelection", async=true)
> public void taskSelectListener(IRequestCycle cycle)
> {
> }
>
> Now I also want the user to be notified that the application is doing
> something so I have a script file with this code in it to show a loading
> dialog:
> if(dojo.byId('taskSelect')!= null)
> {
>dojo.event.connect(dojo.byId('taskSelect'),"onchange",function(){
>document.body.style.cursor='wait';
>dojo.widget.byId("loadingD").show();
> });
> }
>
> Now this all works fine the first time the select is changed, but after that
> the loading dialog isn't shown. Is there something that I', doing wrong?
>
> By the way I'm using Tapestry 4.1.6
>
> Thanks,
>
> Craig
>
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>
--
Andreas Andreou - [EMAIL PROTECTED] - http://blog.andyhot.gr
Tapestry / Tacos developer
Open Source / JEE Consulting
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T4.1:Event connect strangness
Hello List,
I have a form with a @PropertySelection component in it, when this changes some
elements on the page change. The HTML looks like this:
This is being listed to by a method like this:
@EventListener(events = "onchange", targets = "taskSelect", submitForm =
"taskSelection", async=true)
public void taskSelectListener(IRequestCycle cycle)
{
}
Now I also want the user to be notified that the application is doing something
so I have a script file with this code in it to show a loading dialog:
if(dojo.byId('taskSelect')!= null)
{
dojo.event.connect(dojo.byId('taskSelect'),"onchange",function(){
document.body.style.cursor='wait';
dojo.widget.byId("loadingD").show();
});
}
Now this all works fine the first time the select is changed, but after that
the loading dialog isn't shown. Is there something that I', doing wrong?
By the way I'm using Tapestry 4.1.6
Thanks,
Craig
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RE: [T4.1] Application works fine with Jetty, doesn't work so good with Tomcat
Hello All, I've found out today that I have this setting in my jetty configuration: org.apache.tapestry.disable-caching true When I remove this it behaves the same at it does when running under Tomcat. Now I've read in the documentation that it is not a good idea to do this in a production environment, is there another way that I can get this page to not be loaded from the cache other than turning this off. Thanks, Craig -Original Message----- From: Craig Spry [mailto:[EMAIL PROTECTED] Sent: Wednesday, 27 August 2008 5:01 PM To: Tapestry users Subject: [T4.1] Application works fine with Jetty, doesn't work so good with Tomcat Hello All, I have a Tapestry 4.1 application that uses a Tacos Tree, which is built from information in a database. This tree isn't visible from all pages in our application. Now when I go to the page that has the tree on it and then navigate to a page without the tree on it and make a change which should change the tree and then navigate back to the tree page, I get the following behavior: Jetty: Tree looks like it should. Tomcat: Tree looks the way it did before the change. Now is there any setting in tomcat that would change the way the page with the tree on it loads? Thanks, Craig Spry If you are not an authorised recipient of this e-mail, please contact me at Redflex immediately by return phone call or by email. In this case, you should not read, print, retransmit, store or act in reliance on this e-mail or any attachments, and should destroy all copies of them. This e-mail and any attachments are confidential and may contain privileged information and/or copyright material of Redflex or third parties. You should only retransmit, distribute or commercialise the material if you are authorised to do so. This notice should not be removed. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] If you are not an authorised recipient of this e-mail, please contact me at Redflex immediately by return phone call or by email. In this case, you should not read, print, retransmit, store or act in reliance on this e-mail or any attachments, and should destroy all copies of them. This e-mail and any attachments are confidential and may contain privileged information and/or copyright material of Redflex or third parties. You should only retransmit, distribute or commercialise the material if you are authorised to do so. This notice should not be removed. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[T4.1] Application works fine with Jetty, doesn't work so good with Tomcat
Hello All, I have a Tapestry 4.1 application that uses a Tacos Tree, which is built from information in a database. This tree isn't visible from all pages in our application. Now when I go to the page that has the tree on it and then navigate to a page without the tree on it and make a change which should change the tree and then navigate back to the tree page, I get the following behavior: Jetty: Tree looks like it should. Tomcat: Tree looks the way it did before the change. Now is there any setting in tomcat that would change the way the page with the tree on it loads? Thanks, Craig Spry If you are not an authorised recipient of this e-mail, please contact me at Redflex immediately by return phone call or by email. In this case, you should not read, print, retransmit, store or act in reliance on this e-mail or any attachments, and should destroy all copies of them. This e-mail and any attachments are confidential and may contain privileged information and/or copyright material of Redflex or third parties. You should only retransmit, distribute or commercialise the material if you are authorised to do so. This notice should not be removed. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: @EventListener
I think you have not set the update component, you need to put some code into
watchText() like this:
cycle.getResponseBuilder().updateComponent("DialogContentSupplimental");
I have also had more success implementing my dialogs like this
Then all you do is set showDlg to true in watchText(), but you may get
different results.
I hope this helps,
Craig
-Original Message-
From: Kavya K [mailto:[EMAIL PROTECTED]
Sent: Wednesday, 2 April 2008 7:53 PM
To: users@tapestry.apache.org
Subject: @EventListener
Hi..
My html code is..
and java code is
@EventListener(elements = "supplimentalId", events = "onclick")
public void watchText(IRequestCycle cycle)
{
// do something
((Dialog)getComponent("DialogContentSupplimental")).show();
}
ie .. when i click on add button this dialog box must open.
But the above method is not working.
Please if anybody could help me, I ll be thankfull.
Regards,
kavya
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T4: @Eventlistener onchange with a select
Hello All,
I have a page with 2 forms on it. The first form only has a select in it and
the contents of the second form depend on the selection of select in the first
form. No I tried to put an @EventListener to listen when the select changed
its contents. When I did this the index that was returned was not the value
that was selected. The only way that I could get this to be the correct value
was to put in a submitForm attribute in the @EventListener and put a listener
on that form. I have included code snippets below and I'm using Tapestry
4.1.5. What I would like to know is this the correct way to do this? Have I
stumbled across a bug?
Craig
Page.java
*
@EventListener(events="onchange",elements="cameraList",
submitForm="personListForm")
public void loadPerson(IRequestCycle cycle)
{
}
public void personformSubmit(IRequestCycle cycle)
{
int idx = getPersonSelectedIndex();
//do stuff to fill in form 2
}
*
Page.html
*
*
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T4.1:Overloaded Submit Button
Hello All, I'm trying to overload tapestries Submit with my own submit so I can have my code in the isDisabled() function. I want to do this so I can check only in one place is a user has write access to any page in my application in one place, ie the isDisabled() function. Since I'm having to do some strange things to get this going, copy the contents of the Submit.jwc from the Tapestry source into MySubmit.jwc and copy the SubmitBindings.script into my source directory, I was wondering if this is the best way to do this, or is there a better way. Thanks, Craig - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: T4.1 List of pages
Thanks
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Tuesday, 31 July 2007 4:47 PM
To: users@tapestry.apache.org
Subject: RE: T4.1 List of pages
Hi Craig,
most probably, you don't have your page-specifications listed in your
*.application (or *.library, if you're interested in a library's pages.)
Unfortunately, Tapestry's page-/component-lookup mechanism is
sufficiently complicated to make it hard to detect all pages before
usage -- unless they're listed in the specification.
Marcus
> -Original Message-
> From: Craig Spry [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 31, 2007 3:46 AM
> To: Tapestry users
> Subject: RE: T4.1 List of pages
>
> Hello,
>
> I tried to do getNamespace().getPageNames() and all I got was
> the name of the current page. Then I tried this:
> List pages = new Vector(); for ( Object id :
> getNamespace().getChildIds() ) {
> INamespace lib = getNamespace().getChildNamespace(
> id.toString() );
> pages.addAll(lib.getPageNames()); }
>
> This gave me a list of components. Is there anything eles
> that I need to do?
>
> Craig
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, 25 July 2007 4:16 PM
> To: users@tapestry.apache.org
> Subject: RE: T4.1 List of pages
>
> getNamespace().getPageNames()
>
> /Marcus
>
> > -Original Message-
> > From: Craig Spry [mailto:[EMAIL PROTECTED]
> > Sent: Wednesday, July 25, 2007 8:01 AM
> > To: Tapestry users
> > Subject: T4.1 List of pages
> >
> > Hello All,
> >
> > I'm currently adding user permissions to my application,
> this is going
> > to be done on a per page basis. I was wondering if it is
> possible to
> > get tapestry to give me a list of pages so I can build the
> permissions
> > page dynamically to save me having to manually up date this
> every time
> > a new page is added.
> >
> > TIA,
> > Craig
> >
> >
> -
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
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> >
> >
>
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RE: T4.1 List of pages
Hello,
I tried to do getNamespace().getPageNames() and all I got was the name of the
current page. Then I tried this:
List pages = new Vector();
for ( Object id : getNamespace().getChildIds() )
{
INamespace lib = getNamespace().getChildNamespace( id.toString() );
pages.addAll(lib.getPageNames());
}
This gave me a list of components. Is there anything eles that I need to do?
Craig
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Wednesday, 25 July 2007 4:16 PM
To: users@tapestry.apache.org
Subject: RE: T4.1 List of pages
getNamespace().getPageNames()
/Marcus
> -Original Message-
> From: Craig Spry [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, July 25, 2007 8:01 AM
> To: Tapestry users
> Subject: T4.1 List of pages
>
> Hello All,
>
> I'm currently adding user permissions to my application, this
> is going to be done on a per page basis. I was wondering if
> it is possible to get tapestry to give me a list of pages so
> I can build the permissions page dynamically to save me
> having to manually up date this every time a new page is added.
>
> TIA,
> Craig
>
> -
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>
>
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T4.1 List of pages
Hello All, I'm currently adding user permissions to my application, this is going to be done on a per page basis. I was wondering if it is possible to get tapestry to give me a list of pages so I can build the permissions page dynamically to save me having to manually up date this every time a new page is added. TIA, Craig - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Cometd Implimentation
Looks and works good, thanks for that, it always give me a good feeling when someone else can use what I have done. I also like the changes that you have done. Craig -Original Message- From: Andreas Andreou [mailto:[EMAIL PROTECTED] On Behalf Of andyhot Sent: Friday, 8 June 2007 12:27 PM To: Tapestry users Subject: Re: Cometd Implimentation You're right, it works in tomcat too... The code is now in tacos (with minor changes) + there's a demo page in tacos-demo, so one can easily do mvn tomcat:run-war to see it working :) Craig Spry wrote: > Andy, > > Although I haven't tested this yet I think this will work in other > servlet containers, because all the jar files from the Jetty will be > packaged up in the war file. This is only a suspicion and I don't know > what other problems this would have. > > Long term I'd like to write a tapestry service to do the cometd > functionality, so it would be independent of servlet container, but I > don't even know if this is feasible yet. I imagine this service would > be an abstraction layer on top of what each container would offer as its > cometd implementation. > > Craig > > -Original Message- > From: Craig Spry [mailto:[EMAIL PROTECTED] > Sent: Thursday, 7 June 2007 9:08 AM > To: Tapestry users > Subject: RE: Cometd Implimentation > > Thanks for your help, I'm actually trying to get it into Tacos at the > moment, when I told Andy what I had and that I wanted to put it into > Tacos, he made me a directory structure to put it in. It should be in > its new home by the end of today. > > Craig > > -Original Message- > From: Jesse Kuhnert [mailto:[EMAIL PROTECTED] > Sent: Thursday, 7 June 2007 12:18 AM > To: Tapestry users > Subject: Re: Cometd Implimentation > > Looks awesome so far Craig ! Keep up the good work. :) > > Sorry I've been a little busy to keep up with everything but your > efforts > are appreciated of course. > > If you wanted a public svn repo I can give you access to the tacos repo > if > you send me your sourceforge username off-list . (assuming that Andy is > ok > with that) I think the documentation and actual site for tacos is out of > date but you should have free reign to do most of those things there if > you > want. > > On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: > >> I've allowed the addition of coments, so you can let me know what you >> think there. >> >> Craig >> >> -Original Message- >> From: Craig Spry [mailto:[EMAIL PROTECTED] >> Sent: Wednesday, 6 June 2007 9:15 AM >> To: Tapestry users >> Subject: RE: Cometd Implimentation >> >> Thanks for your feedback, I'll try and add the ability to add comments >> to my site. I would also like to contribute this to somewhere where >> > it > >> can be worked on by more than just me and isn't so hidden away. Can >> anyone tell me where the best place to put this would be? >> >> Thanks, >> >> Craig >> >> -Original Message- >> From: Alejandro Scandroli [mailto:[EMAIL PROTECTED] >> Sent: Tuesday, 5 June 2007 5:59 PM >> To: Tapestry users >> Subject: Re: Cometd Implimentation >> >> Hi Craig >> >> Nice component!. >> I've tested it with 6.1.0 version of maven-jetty-plugin and It works >> fine! >> I'm testing it on linux and at first Tapestry complained about not >> been able to find a template for the Cometd component, it was because >> the html template name is lowercase. Once I changed that it worked. >> >> Is there a way to let you comments directly on the site? >> >> Saludos. >> Alejandro. >> >> On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: >> >>> Hello, >>> >>> I've managed to get a very rough implementation of cometd working >>> > with > >>> tapestry/jetty/dojo. I've implemented it as a component, you can >>> > get > >>> the source from here: >>> http://www.spry.net.au/?q=node/10 >>> >>> To get the full effect open up 2 browsers and point them at the >>> >> webapp. >> >>> I'm putting this up for people to have a look at and it is by no way >>> production ready, so please don't expect it to scale, work reliably >>> > or > >>> even work at all. >>> >>> I have only run this using, using Sun's JDK 1.5.0_11 and Maven: >>> mvn jetty:run >>> >>> So I don't know
RE: Cometd Implimentation
Andy, Although I haven't tested this yet I think this will work in other servlet containers, because all the jar files from the Jetty will be packaged up in the war file. This is only a suspicion and I don't know what other problems this would have. Long term I'd like to write a tapestry service to do the cometd functionality, so it would be independent of servlet container, but I don't even know if this is feasible yet. I imagine this service would be an abstraction layer on top of what each container would offer as its cometd implementation. Craig -Original Message----- From: Craig Spry [mailto:[EMAIL PROTECTED] Sent: Thursday, 7 June 2007 9:08 AM To: Tapestry users Subject: RE: Cometd Implimentation Thanks for your help, I'm actually trying to get it into Tacos at the moment, when I told Andy what I had and that I wanted to put it into Tacos, he made me a directory structure to put it in. It should be in its new home by the end of today. Craig -Original Message- From: Jesse Kuhnert [mailto:[EMAIL PROTECTED] Sent: Thursday, 7 June 2007 12:18 AM To: Tapestry users Subject: Re: Cometd Implimentation Looks awesome so far Craig ! Keep up the good work. :) Sorry I've been a little busy to keep up with everything but your efforts are appreciated of course. If you wanted a public svn repo I can give you access to the tacos repo if you send me your sourceforge username off-list . (assuming that Andy is ok with that) I think the documentation and actual site for tacos is out of date but you should have free reign to do most of those things there if you want. On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: > > I've allowed the addition of coments, so you can let me know what you > think there. > > Craig > > -Original Message- > From: Craig Spry [mailto:[EMAIL PROTECTED] > Sent: Wednesday, 6 June 2007 9:15 AM > To: Tapestry users > Subject: RE: Cometd Implimentation > > Thanks for your feedback, I'll try and add the ability to add comments > to my site. I would also like to contribute this to somewhere where it > can be worked on by more than just me and isn't so hidden away. Can > anyone tell me where the best place to put this would be? > > Thanks, > > Craig > > -Original Message- > From: Alejandro Scandroli [mailto:[EMAIL PROTECTED] > Sent: Tuesday, 5 June 2007 5:59 PM > To: Tapestry users > Subject: Re: Cometd Implimentation > > Hi Craig > > Nice component!. > I've tested it with 6.1.0 version of maven-jetty-plugin and It works > fine! > I'm testing it on linux and at first Tapestry complained about not > been able to find a template for the Cometd component, it was because > the html template name is lowercase. Once I changed that it worked. > > Is there a way to let you comments directly on the site? > > Saludos. > Alejandro. > > On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: > > Hello, > > > > I've managed to get a very rough implementation of cometd working with > > tapestry/jetty/dojo. I've implemented it as a component, you can get > > the source from here: > > http://www.spry.net.au/?q=node/10 > > > > To get the full effect open up 2 browsers and point them at the > webapp. > > > > I'm putting this up for people to have a look at and it is by no way > > production ready, so please don't expect it to scale, work reliably or > > even work at all. > > > > I have only run this using, using Sun's JDK 1.5.0_11 and Maven: > > mvn jetty:run > > > > So I don't know if it will work using other JSP containers or JDKs. > > > > Now for the nitty gritty, from here on in I assume you know something > > about cometd. To get this to work I have a function that is > listening, > > when data needs to be pushed to the page, I get the sever to publish > an > > event, on the client side the data is ignored and the function that is > > listening calls the onclick() function of a component on the page, > which > > does what ever you want. > > > > I tried to send through rendered content to the listening function, > but > > I couldn't work out how to get tapestry to genterate a response > without > > a request. > > > > To use this component in the .html file you will need a line that > looks > > like this: > > > > > > In the .page file: > > > > > > > > > > > > > > Where webapp is the containing web application, the topic is what the > > server will be publishing on and the pages will be listening and click > > component is the id of the
RE: Cometd Implimentation
Thanks for your help, I'm actually trying to get it into Tacos at the moment, when I told Andy what I had and that I wanted to put it into Tacos, he made me a directory structure to put it in. It should be in its new home by the end of today. Craig -Original Message- From: Jesse Kuhnert [mailto:[EMAIL PROTECTED] Sent: Thursday, 7 June 2007 12:18 AM To: Tapestry users Subject: Re: Cometd Implimentation Looks awesome so far Craig ! Keep up the good work. :) Sorry I've been a little busy to keep up with everything but your efforts are appreciated of course. If you wanted a public svn repo I can give you access to the tacos repo if you send me your sourceforge username off-list . (assuming that Andy is ok with that) I think the documentation and actual site for tacos is out of date but you should have free reign to do most of those things there if you want. On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: > > I've allowed the addition of coments, so you can let me know what you > think there. > > Craig > > -----Original Message- > From: Craig Spry [mailto:[EMAIL PROTECTED] > Sent: Wednesday, 6 June 2007 9:15 AM > To: Tapestry users > Subject: RE: Cometd Implimentation > > Thanks for your feedback, I'll try and add the ability to add comments > to my site. I would also like to contribute this to somewhere where it > can be worked on by more than just me and isn't so hidden away. Can > anyone tell me where the best place to put this would be? > > Thanks, > > Craig > > -Original Message- > From: Alejandro Scandroli [mailto:[EMAIL PROTECTED] > Sent: Tuesday, 5 June 2007 5:59 PM > To: Tapestry users > Subject: Re: Cometd Implimentation > > Hi Craig > > Nice component!. > I've tested it with 6.1.0 version of maven-jetty-plugin and It works > fine! > I'm testing it on linux and at first Tapestry complained about not > been able to find a template for the Cometd component, it was because > the html template name is lowercase. Once I changed that it worked. > > Is there a way to let you comments directly on the site? > > Saludos. > Alejandro. > > On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: > > Hello, > > > > I've managed to get a very rough implementation of cometd working with > > tapestry/jetty/dojo. I've implemented it as a component, you can get > > the source from here: > > http://www.spry.net.au/?q=node/10 > > > > To get the full effect open up 2 browsers and point them at the > webapp. > > > > I'm putting this up for people to have a look at and it is by no way > > production ready, so please don't expect it to scale, work reliably or > > even work at all. > > > > I have only run this using, using Sun's JDK 1.5.0_11 and Maven: > > mvn jetty:run > > > > So I don't know if it will work using other JSP containers or JDKs. > > > > Now for the nitty gritty, from here on in I assume you know something > > about cometd. To get this to work I have a function that is > listening, > > when data needs to be pushed to the page, I get the sever to publish > an > > event, on the client side the data is ignored and the function that is > > listening calls the onclick() function of a component on the page, > which > > does what ever you want. > > > > I tried to send through rendered content to the listening function, > but > > I couldn't work out how to get tapestry to genterate a response > without > > a request. > > > > To use this component in the .html file you will need a line that > looks > > like this: > > > > > > In the .page file: > > > > > > > > > > > > > > Where webapp is the containing web application, the topic is what the > > server will be publishing on and the pages will be listening and click > > component is the id of the component that will be called by the > > listening function, ie when a cometd event happens on topic > > '/pages/test' clickMe.onclick() will be called on your web page. > > > > I wouldn't recommend using what I have done to learn about cometd, to > do > > this get the jetty source code from subversion and look at the > > cometd-demo in the contrib directory. > > > > Well there it is, take it for what it is and I'll keep posting > > improvements to the above site as I make them I think there is plenty > of > > room for improvements. > > > > Craig > > > > - >
RE: Cometd Implimentation
I've allowed the addition of coments, so you can let me know what you think there. Craig -Original Message- From: Craig Spry [mailto:[EMAIL PROTECTED] Sent: Wednesday, 6 June 2007 9:15 AM To: Tapestry users Subject: RE: Cometd Implimentation Thanks for your feedback, I'll try and add the ability to add comments to my site. I would also like to contribute this to somewhere where it can be worked on by more than just me and isn't so hidden away. Can anyone tell me where the best place to put this would be? Thanks, Craig -Original Message- From: Alejandro Scandroli [mailto:[EMAIL PROTECTED] Sent: Tuesday, 5 June 2007 5:59 PM To: Tapestry users Subject: Re: Cometd Implimentation Hi Craig Nice component!. I've tested it with 6.1.0 version of maven-jetty-plugin and It works fine! I'm testing it on linux and at first Tapestry complained about not been able to find a template for the Cometd component, it was because the html template name is lowercase. Once I changed that it worked. Is there a way to let you comments directly on the site? Saludos. Alejandro. On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: > Hello, > > I've managed to get a very rough implementation of cometd working with > tapestry/jetty/dojo. I've implemented it as a component, you can get > the source from here: > http://www.spry.net.au/?q=node/10 > > To get the full effect open up 2 browsers and point them at the webapp. > > I'm putting this up for people to have a look at and it is by no way > production ready, so please don't expect it to scale, work reliably or > even work at all. > > I have only run this using, using Sun's JDK 1.5.0_11 and Maven: > mvn jetty:run > > So I don't know if it will work using other JSP containers or JDKs. > > Now for the nitty gritty, from here on in I assume you know something > about cometd. To get this to work I have a function that is listening, > when data needs to be pushed to the page, I get the sever to publish an > event, on the client side the data is ignored and the function that is > listening calls the onclick() function of a component on the page, which > does what ever you want. > > I tried to send through rendered content to the listening function, but > I couldn't work out how to get tapestry to genterate a response without > a request. > > To use this component in the .html file you will need a line that looks > like this: > > > In the .page file: > > > > > > > Where webapp is the containing web application, the topic is what the > server will be publishing on and the pages will be listening and click > component is the id of the component that will be called by the > listening function, ie when a cometd event happens on topic > '/pages/test' clickMe.onclick() will be called on your web page. > > I wouldn't recommend using what I have done to learn about cometd, to do > this get the jetty source code from subversion and look at the > cometd-demo in the contrib directory. > > Well there it is, take it for what it is and I'll keep posting > improvements to the above site as I make them I think there is plenty of > room for improvements. > > Craig > > - > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Cometd Implimentation
Thanks for your feedback, I'll try and add the ability to add comments to my site. I would also like to contribute this to somewhere where it can be worked on by more than just me and isn't so hidden away. Can anyone tell me where the best place to put this would be? Thanks, Craig -Original Message- From: Alejandro Scandroli [mailto:[EMAIL PROTECTED] Sent: Tuesday, 5 June 2007 5:59 PM To: Tapestry users Subject: Re: Cometd Implimentation Hi Craig Nice component!. I've tested it with 6.1.0 version of maven-jetty-plugin and It works fine! I'm testing it on linux and at first Tapestry complained about not been able to find a template for the Cometd component, it was because the html template name is lowercase. Once I changed that it worked. Is there a way to let you comments directly on the site? Saludos. Alejandro. On 6/5/07, Craig Spry <[EMAIL PROTECTED]> wrote: > Hello, > > I've managed to get a very rough implementation of cometd working with > tapestry/jetty/dojo. I've implemented it as a component, you can get > the source from here: > http://www.spry.net.au/?q=node/10 > > To get the full effect open up 2 browsers and point them at the webapp. > > I'm putting this up for people to have a look at and it is by no way > production ready, so please don't expect it to scale, work reliably or > even work at all. > > I have only run this using, using Sun's JDK 1.5.0_11 and Maven: > mvn jetty:run > > So I don't know if it will work using other JSP containers or JDKs. > > Now for the nitty gritty, from here on in I assume you know something > about cometd. To get this to work I have a function that is listening, > when data needs to be pushed to the page, I get the sever to publish an > event, on the client side the data is ignored and the function that is > listening calls the onclick() function of a component on the page, which > does what ever you want. > > I tried to send through rendered content to the listening function, but > I couldn't work out how to get tapestry to genterate a response without > a request. > > To use this component in the .html file you will need a line that looks > like this: > > > In the .page file: > > > > > > > Where webapp is the containing web application, the topic is what the > server will be publishing on and the pages will be listening and click > component is the id of the component that will be called by the > listening function, ie when a cometd event happens on topic > '/pages/test' clickMe.onclick() will be called on your web page. > > I wouldn't recommend using what I have done to learn about cometd, to do > this get the jetty source code from subversion and look at the > cometd-demo in the contrib directory. > > Well there it is, take it for what it is and I'll keep posting > improvements to the above site as I make them I think there is plenty of > room for improvements. > > Craig > > - > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Cometd Implimentation
Hello, I've managed to get a very rough implementation of cometd working with tapestry/jetty/dojo. I've implemented it as a component, you can get the source from here: http://www.spry.net.au/?q=node/10 To get the full effect open up 2 browsers and point them at the webapp. I'm putting this up for people to have a look at and it is by no way production ready, so please don't expect it to scale, work reliably or even work at all. I have only run this using, using Sun's JDK 1.5.0_11 and Maven: mvn jetty:run So I don't know if it will work using other JSP containers or JDKs. Now for the nitty gritty, from here on in I assume you know something about cometd. To get this to work I have a function that is listening, when data needs to be pushed to the page, I get the sever to publish an event, on the client side the data is ignored and the function that is listening calls the onclick() function of a component on the page, which does what ever you want. I tried to send through rendered content to the listening function, but I couldn't work out how to get tapestry to genterate a response without a request. To use this component in the .html file you will need a line that looks like this: In the .page file: Where webapp is the containing web application, the topic is what the server will be publishing on and the pages will be listening and click component is the id of the component that will be called by the listening function, ie when a cometd event happens on topic '/pages/test' clickMe.onclick() will be called on your web page. I wouldn't recommend using what I have done to learn about cometd, to do this get the jetty source code from subversion and look at the cometd-demo in the contrib directory. Well there it is, take it for what it is and I'll keep posting improvements to the above site as I make them I think there is plenty of room for improvements. Craig - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
4.1.2 Cometd Implimentation
I'm looking at adding cometd type functionality to the tapestry
4.1.2-snapshot application that I'm currently developing. I would like
to do it as follows:
Have only one cometd subscription per page. This would be bound to a
javascript function that would have the updates sent to it, much like
XHR works at the moment, except in reverse.
Then in the Java code for that page I would have a thread that would
have code in it that would look something like this:
private void poll()
{
while(true)
{
Thread.sleep(1000)
{
if(some_condition)
{
MyTapestryCometdClient.updateComponent('component_id');
}
}
}
}
Where MyTapestryCometdClient would be my implementation to send out the
cometd request to all the waiting javascript functions.
I'm going to use Jetty's implementation of cometd.
What I would like to know is what I'm trying to achieve feasible, can
Tapestry 4.1.2 even be made work with comet?
Has anyone else already got Tapestry to work with cometd?
Or is there a better way to get events from the server to a waiting web
page that doesn't involve polling?
If no one has and I do manage to get it to work, would anyone else be
interested in how I got it to work?
Thanks,
Craig Spry
-
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