Re: For Nabble users
First, Nabble users don't subscribe, meaning I have to moderate Nabble mails on a daily basis. Nabble won't or can't force users to subscribe users prior to posting. Second, Nabble eats code listings etc. leaving users to wonder why their emails aren't displayed properly to normal users, possibly causing confusion or even frustration. I don't want to have users confused over something we can't control. Third, and most important, if I or another moderator forgets to moderate a Nabble email, or doesn't moderate it in time because of travel, sickness or whatever, readers of the mailing list won't get the post and can't reply, creating a friction in our community (those that use Nabble and those that don't). Our discussions take place on mailing lists. Period. Nabble violates that policy, creates work for our volunteers and confusion for our users. If you can make Nabble behave properly I'm willing to withdraw my objections and I'm sure other PMC members will too. But until then I recommend that people like Lance use a webmail service in situations where they can't use an email client. Uli On 22.03.2013 00:45, Bob Harner wrote: Yeah, I 'm with you, Lance. And I didn't think the annoyances of the nabble posts were significant. On Mar 21, 2013 7:06 PM, Lance Java lance.j...@googlemail.com wrote: That's actually really annoying for me. Most workplaces don't allow personal email but they do allow Nabble. Sure I can always use my phone but writing code and copy / paste etc is really annoying on a phone. On 21 March 2013 16:31, Thiago H de Paula Figueiredo thiag...@gmail.com wrote: Hi! Due to many headaches we're having with posts from Nabble (including swallowing of code), we decided to not allow them anymore. People, please remember: this isn't a forum, it never was a forum, this is a mailing list, and Apache Foundation projects must use mailing lists as the official way of discussing stuff. If you want to post to the mailing lists, please subscribe to them as described in http://tapestry.apache.org/**community.html http://tapestry.apache.org/community.html. If you don't want to have mailing list messages mixed with other stuff in your inbox, you can create folders and filters for it or even create a separate e-mail account just for that. We will be ignoring requests for permission to post in the Tapestry mailing list mirrors (emphasis on 'mirror') though Nabble. And you don't need permission from anyone to subscribe to the Tapestry mailing lists, so do it if you didn't yet. :) Cheers! -- Thiago H. de Paula Figueiredo --**--**- To unsubscribe, e-mail: users-unsubscribe@tapestry.**apache.org users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: For Nabble users
Uli, this is the first time I've heard that you had to moderate Nabble posts. Sorry to hear that. I withdraw my objection. On Mar 22, 2013 5:27 AM, Ulrich Stärk u...@spielviel.de wrote: First, Nabble users don't subscribe, meaning I have to moderate Nabble mails on a daily basis. Nabble won't or can't force users to subscribe users prior to posting. Second, Nabble eats code listings etc. leaving users to wonder why their emails aren't displayed properly to normal users, possibly causing confusion or even frustration. I don't want to have users confused over something we can't control. Third, and most important, if I or another moderator forgets to moderate a Nabble email, or doesn't moderate it in time because of travel, sickness or whatever, readers of the mailing list won't get the post and can't reply, creating a friction in our community (those that use Nabble and those that don't). Our discussions take place on mailing lists. Period. Nabble violates that policy, creates work for our volunteers and confusion for our users. If you can make Nabble behave properly I'm willing to withdraw my objections and I'm sure other PMC members will too. But until then I recommend that people like Lance use a webmail service in situations where they can't use an email client. Uli On 22.03.2013 00:45, Bob Harner wrote: Yeah, I 'm with you, Lance. And I didn't think the annoyances of the nabble posts were significant. On Mar 21, 2013 7:06 PM, Lance Java lance.j...@googlemail.com wrote: That's actually really annoying for me. Most workplaces don't allow personal email but they do allow Nabble. Sure I can always use my phone but writing code and copy / paste etc is really annoying on a phone. On 21 March 2013 16:31, Thiago H de Paula Figueiredo thiag...@gmail.com wrote: Hi! Due to many headaches we're having with posts from Nabble (including swallowing of code), we decided to not allow them anymore. People, please remember: this isn't a forum, it never was a forum, this is a mailing list, and Apache Foundation projects must use mailing lists as the official way of discussing stuff. If you want to post to the mailing lists, please subscribe to them as described in http://tapestry.apache.org/**community.html http://tapestry.apache.org/community.html. If you don't want to have mailing list messages mixed with other stuff in your inbox, you can create folders and filters for it or even create a separate e-mail account just for that. We will be ignoring requests for permission to post in the Tapestry mailing list mirrors (emphasis on 'mirror') though Nabble. And you don't need permission from anyone to subscribe to the Tapestry mailing lists, so do it if you didn't yet. :) Cheers! -- Thiago H. de Paula Figueiredo --**--**- To unsubscribe, e-mail: users-unsubscribe@tapestry.**apache.org users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: For Nabble users
Not a complaint about the Tapestry list (or PMC members) but I though I voice my opinion about the policy to see if there are others like me. I think I understand the reasoning behind the Apache mailing list policy but I think it's outdated. To me it has two problems. 1. I cannot participate in the list from my work email and I cannot read my personal email (easily) while I'm at work. I suspect there are others like me. 2. There is no real built in archive system which makes web searches a problem. Nabble is considered a hosting site and hosting sites are blocked by my work firewall. These two things make it difficult for me to participate in the email list and make the archives useless to searches because when I click on a result 9 times out of 10 I get a firewall violation. It's things like this that make open source adoption problematic in the corporate world. I realize you are bound by the Apache rules but if no one complains about them they will never change. Thanks for your hard work Barry - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: Read only bindings - How do I set their value from a mixin?
This has been a source of problems for me also. I'll mess with it today and report back. I think it should be possible to create a new binding then change the default from symbol:SomeSymbol to default:symbol:SomeSymbol would that work for you? - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: HashMap as a Grid source - once again
I use a collection of maps all the time for both form input and grid output. I have a report system that stores sql in the database and uses a beaneditform for query parameters and a grid to display the result set. It's turned out to be extremely useful. I use a PropertyConduit just like you suggested but with one addition. Instead of using Object.class I created MapData.class All it does is provide get, put and getMap methods, but this allows Tapestry to auto construct the object. For a grid this does not matter but it's very useful when using it with beaneditform. - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
How do you create a composite form component?
Usually creating Tapestry components is easy but I've run in a problem. I've kinda solved it but I'm wondering if I'm missing something. I'd like to create a component called DateRange which contains two DateFields and takes a parameter of type Range which contains a startDate and endDate. The solution seems easy just create a component then put two datefields in it. The problem is you can't use label on that because the DateRange does not implement Field. Fair enough just implement Field. I copied RadioGroup because it's seemed like a good starting point. Now I wanted to use it in a BeanEditForm and ran into another problem. If range is null I'd like to create it but there does not seem to be an onPrepareForSubmit event. I've managed to work thru that also but the whole result seems messy and I still have not really figured out where to check that startDate endDate. Has anyone tried to create composite form components and if so what are the secrets? Thanks Barry - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: How do you create a composite form component?
Hi Barry Have you looked at FormSupport particularly store() and storeAndExecute() http://tapestry.apache.org/current/apidocs/org/apache/tapestry5/services/FormSupport.html#storeAndExecute(T, org.apache.tapestry5.ComponentAction) You can register ComponentActions there. regards Taha On Mar 22, 2013, at 6:50 PM, Barry Books wrote: Usually creating Tapestry components is easy but I've run in a problem. I've kinda solved it but I'm wondering if I'm missing something. I'd like to create a component called DateRange which contains two DateFields and takes a parameter of type Range which contains a startDate and endDate. The solution seems easy just create a component then put two datefields in it. The problem is you can't use label on that because the DateRange does not implement Field. Fair enough just implement Field. I copied RadioGroup because it's seemed like a good starting point. Now I wanted to use it in a BeanEditForm and ran into another problem. If range is null I'd like to create it but there does not seem to be an onPrepareForSubmit event. I've managed to work thru that also but the whole result seems messy and I still have not really figured out where to check that startDate endDate. Has anyone tried to create composite form components and if so what are the secrets? Thanks Barry - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: For Nabble users
On 22.03.2013 13:43, Barry Books wrote: Not a complaint about the Tapestry list (or PMC members) but I though I voice my opinion about the policy to see if there are others like me. I think I understand the reasoning behind the Apache mailing list policy but I think it's outdated. To me it has two problems. 1. I cannot participate in the list from my work email and I cannot read my personal email (easily) while I'm at work. I suspect there are others like me. If you don't have your superiors consent to participate on our lists, you shouldn't do so during your work hours. But if your work and this list are related, talk to your management and make it clear that you get free training and help here. I bet they will allow you to use your work email. Apart from that there are webmail alternatives you can use. 2. There is no real built in archive system which makes web searches a problem. Nabble is considered a hosting site and hosting sites are blocked by my work firewall. tapestry.markmail.org - excellent searching and filtering capabilities Google: site:mail-archives.apache.org query These two things make it difficult for me to participate in the email list and make the archives useless to searches because when I click on a result 9 times out of 10 I get a firewall violation. It's things like this that make open source adoption problematic in the corporate world. Not really. It's management and it's 19th century methods that make open source adoption problematic in the corporate world. But that's beyond the topic. I realize you are bound by the Apache rules but if no one complains about them they will never change. We don't have to use mailing lists for user support at Apache; only development discussion has to take place on mailing lists. In fact there are projects that host their own web-based forums for user support, e.g. OpenOffice. But we, the Tapestry community, lack the volunteer power to support anything else. Uli - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: How do you create a composite form component?
I did and I'm using store() to make it work, it just seems messy when
all I really want is something like this
DateRange implements Label {
@Parameter
private String label;
@Parameter
@Property
private Range range;
onPrepareFromSubmit() {
if ( range == null ) {
range = new Range();
}
}
onValidate() {
if ( startdate = enddate ) {
validation exception;
}
String getLabel() {
return label;
}
}
I guess I need to create an AbstractFormComposite and hide all the
complexity there.
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Re: For Nabble users
On Fri, 22 Mar 2013 10:47:03 -0300, Ulrich Stärk u...@spielviel.de wrote: 2. There is no real built in archive system which makes web searches a problem. Nabble is considered a hosting site and hosting sites are blocked by my work firewall. tapestry.markmail.org - excellent searching and filtering capabilities Google: site:mail-archives.apache.org query We're not disabling the Nabble mirror (which I consider extremely useful), just posting from it. -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: How do you create a composite form component?
On Fri, 22 Mar 2013 10:56:25 -0300, Barry Books trs...@gmail.com wrote: I did and I'm using store() to make it work, it just seems messy when all I really want is something like this Have you tried subclassing AbstractField? -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: For Nabble users
On Fri, Mar 22, 2013 at 8:47 AM, Ulrich Stärk u...@spielviel.de wrote: On 22.03.2013 13:43, Barry Books wrote: Not a complaint about the Tapestry list (or PMC members) but I though I voice my opinion about the policy to see if there are others like me. I think I understand the reasoning behind the Apache mailing list policy but I think it's outdated. To me it has two problems. 1. I cannot participate in the list from my work email and I cannot read my personal email (easily) while I'm at work. I suspect there are others like me. If you don't have your superiors consent to participate on our lists, you shouldn't do so during your work hours. But if your work and this list are related, talk to your management and make it clear that you get free training and help here. I bet they will allow you to use your work email. I do have management consent to participate in the list but the firewall rules are not a perfect implementation of what I have consent to do. Unfortunately getting exceptions is a difficult process and cannot be done by group which means paper work for each person on the team. I realize these are IT problems I'm just saying I suspect I'm not the only one with this problem. To be fair to the IT side software development is not the primary purpose of where I work and maintaining firewall rules is a difficult. For example Amazon S3 was blocked but that proved to be a problem. Apart from that there are webmail alternatives you can use. Webmail is against the rules. 2. There is no real built in archive system which makes web searches a problem. Nabble is considered a hosting site and hosting sites are blocked by my work firewall. tapestry.markmail.org - excellent searching and filtering capabilities Another site that's blocked by the firewall Google: site:mail-archives.apache.org query This solves some of the problem but limits my search to only apache.org. Again I realize this is perhaps a problem unique to me. These two things make it difficult for me to participate in the email list and make the archives useless to searches because when I click on a result 9 times out of 10 I get a firewall violation. It's things like this that make open source adoption problematic in the corporate world. Not really. It's management and it's 19th century methods that make open source adoption problematic in the corporate world. But that's beyond the topic. Perhaps but if the Apache Foundation is interesting in corporate adoption it's a problem that needs to be solved. Email (and email lists) are 20th century solution. Perhaps a 21st century solution is needed to overcome the 19th century methods. I realize you are bound by the Apache rules but if no one complains about them they will never change. We don't have to use mailing lists for user support at Apache; only development discussion has to take place on mailing lists. In fact there are projects that host their own web-based forums for user support, e.g. OpenOffice. But we, the Tapestry community, lack the volunteer power to support anything else. I understand that which is why I said the Apache policy (not the Tapestry policy) is outdated. If the Apache Foundation had a gateway anyone could post thru then perhaps most of the issues would be resolved. Again this is not a complaint but an observation and perhaps something the Apache Foundation should consider. It may not be worth the effort and if I'm the only one with this problem it's certainly not. Thanks Barry - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: How do you create a composite form component?
That's what I tried first and I did not like the path I was headed down. Perhaps I'm spoiled by how easy it is to create a component that's not used as a form element. I was really just curious if I was missing something obvious. - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: For Nabble users
On Fri, 22 Mar 2013 11:46:42 -0300, Barry Books trs...@gmail.com wrote: I understand that which is why I said the Apache policy (not the Tapestry policy) is outdated. If the Apache Foundation had a gateway anyone could post thru then perhaps most of the issues would be resolved. Again this is not a complaint but an observation and perhaps something the Apache Foundation should consider. It may not be worth the effort and if I'm the only one with this problem it's certainly not. So our problem here seems to be Nabble itself. As Ulrich said, it has some problems that end up causing some serious trouble for everyone involved. -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: For Nabble users
I had not looked at that way but I think you are correct. You tried to solve an Apache Foundation mailing list deficiency with Nabble but Nabble has it's own set of problems. On Fri, Mar 22, 2013 at 10:17 AM, Thiago H de Paula Figueiredo thiag...@gmail.com wrote: On Fri, 22 Mar 2013 11:46:42 -0300, Barry Books trs...@gmail.com wrote: I understand that which is why I said the Apache policy (not the Tapestry policy) is outdated. If the Apache Foundation had a gateway anyone could post thru then perhaps most of the issues would be resolved. Again this is not a complaint but an observation and perhaps something the Apache Foundation should consider. It may not be worth the effort and if I'm the only one with this problem it's certainly not. So our problem here seems to be Nabble itself. As Ulrich said, it has some problems that end up causing some serious trouble for everyone involved. -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: notify embedded components
ive tought this woud be a cool feature, but it does not exist yet.
On Thursday, March 21, 2013, Paul Stanton wrote:
Hi all,
Is there a way to trigger an event in a container (Page) which notifies
embedded components?
I'm hoping to do something like this (pseudo code) :
Page
{
void onSomeEvent()
{
notifyListeners(**SomethingHappened);
}
}
EmbeddedComponent
{
void setupRender()
{
page.listenTo(**SomethingHappened);
}
void onSomethingHappened()
{
// called when triggered by page
}
}
Help appreciated, thanks, paul.
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Creator of Apache Tapestry
The source for Tapestry training, mentoring and support. Contact me to
learn how I can get you up and productive in Tapestry fast!
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Re: For Nabble users
On Fri, 22 Mar 2013 12:42:14 -0300, Barry Books trs...@gmail.com wrote: I had not looked at that way but I think you are correct. You tried to solve an Apache Foundation mailing list deficiency with Nabble but Nabble has it's own set of problems. Actually, we never tried anything with Nabble: it just started mirroring Tapestry's mailing lists and posting to them without any action from the Tapestry committers (as far as I know). Just a couple months ago we got the permission to change Tapestry's mailing lists' configurations at Nabble. On Fri, Mar 22, 2013 at 10:17 AM, Thiago H de Paula Figueiredo thiag...@gmail.com wrote: On Fri, 22 Mar 2013 11:46:42 -0300, Barry Books trs...@gmail.com wrote: I understand that which is why I said the Apache policy (not the Tapestry policy) is outdated. If the Apache Foundation had a gateway anyone could post thru then perhaps most of the issues would be resolved. Again this is not a complaint but an observation and perhaps something the Apache Foundation should consider. It may not be worth the effort and if I'm the only one with this problem it's certainly not. So our problem here seems to be Nabble itself. As Ulrich said, it has some problems that end up causing some serious trouble for everyone involved. -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: notify embedded components
The CDI has support for events in an elegant way:
http://docs.oracle.com/javaee/6/tutorial/doc/gkhic.html
FlowLogix library supports CDI as well
On Mar 22, 2013, at 11:36 AM, Howard Lewis Ship hls...@gmail.com wrote:
ive tought this woud be a cool feature, but it does not exist yet.
On Thursday, March 21, 2013, Paul Stanton wrote:
Hi all,
Is there a way to trigger an event in a container (Page) which notifies
embedded components?
I'm hoping to do something like this (pseudo code) :
Page
{
void onSomeEvent()
{
notifyListeners(**SomethingHappened);
}
}
EmbeddedComponent
{
void setupRender()
{
page.listenTo(**SomethingHappened);
}
void onSomethingHappened()
{
// called when triggered by page
}
}
Help appreciated, thanks, paul.
--**--**-
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For additional commands, e-mail: users-h...@tapestry.apache.org
--
Howard M. Lewis Ship
Creator of Apache Tapestry
The source for Tapestry training, mentoring and support. Contact me to
learn how I can get you up and productive in Tapestry fast!
(971) 678-5210
http://howardlewisship.com
Re: Read only bindings - How do I set their value from a mixin?
I overrode the SymbolBindingFactory with the attached
MySymbolBindingFactory and it appears to work, but I'd like a second
opinion. As I understand it Bindings are cached so my question is will
making the set method a no op instead of an error cause any problems?
I created this mixin to test it.
public class GridEnviromentMixin {
@BindParameter
private Boolean lean;
@BindParameter
private int rowsPerPage;
@Inject
private Environment environment;
@Inject
private Logger logger;
@Inject
private ComponentResources resources;
@SetupRender
void setupRender() {
environment.push(GridEnvironment.class, new
GridEnvironmentImpl().withLean(lean));
logger.info(rows {},rowsPerPage);
rowsPerPage= 10;
logger.info(rows {},rowsPerPage);
}
@CleanupRender
void cleanupRender() {
environment.pop(GridEnvironment.class);
}
}
and the output is this
[INFO] mixins.GridEnviromentMixin rows 25
[INFO] mixins.GridEnviromentMixin rows 10
public class MySymbolBindingFactory implements BindingFactory {
private final SymbolSource symbolSource;
private final Logger logger;
public MySymbolBindingFactory(SymbolSource symbolSource, Logger
logger)
{
this.symbolSource = symbolSource;
this.logger = logger;
}
public Binding newBinding(String description,
ComponentResources container,
ComponentResources component, String expression,
Location location)
{
String value = symbolSource.valueForSymbol(expression);
logger.info(value {} {},expression ,value);
return new SymbolBinding(location, description, value);
}
public class SymbolBinding implements Binding {
private Object value;
public SymbolBinding(Location location, String description,
String value) {
this.value = value;
}
@Override
public T extends Annotation T getAnnotation(ClassT
arg0) {
return null;
}
@Override
public Object get() {
return value;
}
@Override
public Class getBindingType() {
return value.getClass();
}
@Override
public boolean isInvariant() {
return false;
}
@Override
public void set(Object value) {
//this.value = value;
}
}
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Re: intermittent stack trace
On Fri, 22 Mar 2013 14:59:15 -0300, Ken in Nashua kcola...@live.com wrote: Forms require that the request method be POST and that the t:formdata query parameter have values. Here is, from the error message, the description of what is happening. If this is a public-facing site, your probably have someone crawling it. -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: Read only bindings - How do I set their value from a mixin?
There are a couple of things wrong with your solution
1. You've implemented a variant binding (isVariant = false) but you have a
no-op implemetation of set(Object value)
This means that the value is 10 in your mixin, but the the value in the
underlying grid component is still 25 (no change)
2. Your binding has a per binding value
I notice you commented out this.value = value in your set(Object value)
method. If you were to uncomment this block of code, you would have major
problems. Bindings are singletons (like pages and components) so they are
shared by all threads in your application.
As I said initially, I think that the value should be backed by a mutable
ThreadLocal.
On 22 March 2013 18:10, Barry Books trs...@gmail.com wrote:
I overrode the SymbolBindingFactory with the attached
MySymbolBindingFactory and it appears to work, but I'd like a second
opinion. As I understand it Bindings are cached so my question is will
making the set method a no op instead of an error cause any problems?
I created this mixin to test it.
public class GridEnviromentMixin {
@BindParameter
private Boolean lean;
@BindParameter
private int rowsPerPage;
@Inject
private Environment environment;
@Inject
private Logger logger;
@Inject
private ComponentResources resources;
@SetupRender
void setupRender() {
environment.push(GridEnvironment.class, new
GridEnvironmentImpl().withLean(lean));
logger.info(rows {},rowsPerPage);
rowsPerPage= 10;
logger.info(rows {},rowsPerPage);
}
@CleanupRender
void cleanupRender() {
environment.pop(GridEnvironment.class);
}
}
and the output is this
[INFO] mixins.GridEnviromentMixin rows 25
[INFO] mixins.GridEnviromentMixin rows 10
public class MySymbolBindingFactory implements BindingFactory {
private final SymbolSource symbolSource;
private final Logger logger;
public MySymbolBindingFactory(SymbolSource symbolSource,
Logger logger)
{
this.symbolSource = symbolSource;
this.logger = logger;
}
public Binding newBinding(String description,
ComponentResources container,
ComponentResources component, String expression,
Location location)
{
String value = symbolSource.valueForSymbol(expression);
logger.info(value {} {},expression ,value);
return new SymbolBinding(location, description, value);
}
public class SymbolBinding implements Binding {
private Object value;
public SymbolBinding(Location location, String
description,
String value) {
this.value = value;
}
@Override
public T extends Annotation T
getAnnotation(ClassT arg0) {
return null;
}
@Override
public Object get() {
return value;
}
@Override
public Class getBindingType() {
return value.getClass();
}
@Override
public boolean isInvariant() {
return false;
}
@Override
public void set(Object value) {
//this.value = value;
}
}
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Re: Read only bindings - How do I set their value from a mixin?
The method is isInvariant so returning false means the value can
change. This is confusing and it seems like a double negative to me.
public boolean isInvariant() {
return false;
}
The set method is commented out because setting the value would affect
other instances of the component. After thinking about it I'm not sure
this is as complicated as it seems but I'm a bit fuzzy on the details
of Parameters. I believe they are really conduits so calling the set
method in the component calls the set method on all variables bound to
the parameter. In the case of the default value I don't care if the
set method is called so I just ignore it. The set method is still
called on all the other values bound to the parameter.
I don't think ThreadLocal would work if there is a thread pool. In
that case setting the value would affect all subsequent request using
that thread.
At any rate it does seem to work with the simple test case I wrote. I
just wonder if it really is this easy or am I breaking something.
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Re: Read only bindings - How do I set their value from a mixin?
Hi Barry, I'm not sure you understand a Thread Local, it's guaranteed to be
thread safe since it's local to a thread
I would appreciate it if a tapestry committer could chime in with their
thoughts.
Thanks,
Lance
On 22 Mar 2013 20:52, Barry Books trs...@gmail.com wrote:
The method is isInvariant so returning false means the value can
change. This is confusing and it seems like a double negative to me.
public boolean isInvariant() {
return false;
}
The set method is commented out because setting the value would affect
other instances of the component. After thinking about it I'm not sure
this is as complicated as it seems but I'm a bit fuzzy on the details
of Parameters. I believe they are really conduits so calling the set
method in the component calls the set method on all variables bound to
the parameter. In the case of the default value I don't care if the
set method is called so I just ignore it. The set method is still
called on all the other values bound to the parameter.
I don't think ThreadLocal would work if there is a thread pool. In
that case setting the value would affect all subsequent request using
that thread.
At any rate it does seem to work with the simple test case I wrote. I
just wonder if it really is this easy or am I breaking something.
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Re: Read only bindings - How do I set their value from a mixin?
My impression was Thread Local gives you an instance of an Object for each thread. If you run Tomcat with 100 thread pool you will have at most 100 different objects no matter how many connections you have and since a new connection is handled by an existing thread it will pick up the values from the previous request that used that thread. I think you could use the request to store the value in but as I said I don't think it's necessary. I'll post a request on the Dev list. It would be nice to solve this problem because it seems all the parameters I'd like to have control over are the ones with default values. - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: For Nabble users
Sorry, wasn't aware of the extra work it was creating. I'm happy for a solution that keeps you guys focused. Thanks for your continued tapestry support. Cheers, Lance
graceful exception handling - user interface
Hi Folks, Well I am about to embark on going public with a hockey league web site and I wanted to reformat these intimidating (well not for developers) for end-users... stack traces when an exception occurs. And its nice to be able to use tapestry in such a fashionable way now and the supported frameworks. Nice Job... well done. Its come a long way since the version 3. I hope it will fair another decade or two (could sure use some feedback on that topic of longevity... will tapestry be around 20 years from now ? ) Java guys need to stick together. I had a couple questions Do any of these exceptions require the web server to be rebooted? I guess I am wondering if there are certain crashes in tapestry that would warrant a reboot of the webserver, restart of the webapp... or even a reboot of the operating system. None I hope but I had to ask.Is there a user interface available that will present these exceptions in a nice friendly format for the end-user? Maybe an optional dialogue instead of the whole page being taken out.
Re: How do you create a composite form component?
This may help: http://jumpstart.doublenegative.com.au/jumpstart/examples/component/subformasafield1 On 23/03/2013, at 1:53 AM, Barry Books wrote: That's what I tried first and I did not like the path I was headed down. Perhaps I'm spoiled by how easy it is to create a component that's not used as a form element. I was really just curious if I was missing something obvious. - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: How do you create a composite form component?
If you'd like to see component writing made simpler, then please vote here: https://issues.apache.org/jira/browse/TAP5-1618 It proposes replacing all that plumbing (store ComponentAction, storeAndExecute ComponentAction) with event handlers (eg. onPrepare, onValidate, onSuccess, etc). Cheers, Geoff On 23/03/2013, at 3:28 PM, Geoff Callender wrote: This may help: http://jumpstart.doublenegative.com.au/jumpstart/examples/component/subformasafield1 On 23/03/2013, at 1:53 AM, Barry Books wrote: That's what I tried first and I did not like the path I was headed down. Perhaps I'm spoiled by how easy it is to create a component that's not used as a form element. I was really just curious if I was missing something obvious. - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
Re: intermittent stack trace
See http://apache-tapestry-mailing-list-archives.1045711.n5.nabble.com/Safari-for-example-browser-history-and-form-exception-td4942074.html . Geoff On 23/03/2013, at 5:15 AM, Thiago H de Paula Figueiredo wrote: On Fri, 22 Mar 2013 14:59:15 -0300, Ken in Nashua kcola...@live.com wrote: Forms require that the request method be POST and that the t:formdata query parameter have values. Here is, from the error message, the description of what is happening. If this is a public-facing site, your probably have someone crawling it. -- Thiago H. de Paula Figueiredo - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org - To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
