Cannot create statless page
Hi,
I am trying to create a simple stateless app according to:
https://cwiki.apache.org/WICKET/stateless-pages.html
and the example in the source.
Whenever I access this page, wicket tries to get an instance of
javax.servlet.http.HttpSession. Our java server traps that and notifies via
an exception.
What is the way around it?
Do I need to implement ISessionStore myself?
Here is the source:
public class MyApplication extends WebApplication {
public Class getHomePage() {
return HomePage.class;
}
@Override
protected void init() {
super.init();
getResourceSettings().setResourcePollFrequency(null);
}
@Override
protected ISessionStore newSessionStore() {
return new HttpSessionStore(this);
}
}
public class HomePage extends WebPage {
public HomePage() {
add(new Label(label, new Model(Hello, World)));
}
}
html
body
h1 wicket:id='label'HELLO/h1
/body
/html
regression
Hallo, fix this issue https://issues.apache.org/jira/browse/WICKET-2886 broke Brix Menu plugin, more info here http://groups.google.com/group/brix-cms-discuss/browse_thread/thread/a1fe187920858b36 Could someone take a look? - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re-Rendering Table after submitting results in error
Hello,
I've just come across wicket and started playing around - so far, I encounterd
some issues:
My first issue is:
Given a table and a Panel:
//SomePage.java
private TablePanel tp;
tp = new TablePanel(tablePanel,columns,new
PersonBeanProvider(searchFilter),12);
//TablePanel.java
class TablePanel extends Panel{
public TablePanel(String id, final ListIColumnPersonBean columns,
PersonBeanProvider personBeanProvider, int rowsPerPage) {
super(id);
AjaxFallbackDefaultDataTablePersonBean table = new
AjaxFallbackDefaultDataTablePersonBean(table, columns,personBeanProvider,
12);
add(table);
}
}
And the html:
SomePage.html
(...)span wicket:id=tablePanel/span
TablePanel.html:
wicket:panel
table cellspacing=0 wicket:id=table[table]/table
/wicket:panel
Everything is fine. But: If I introduce a form for modifying searchFilter (a
String to be passed) in this way:
searchField.add(new AjaxFormComponentUpdatingBehavior(onChange){
@Override
protected void onUpdate(AjaxRequestTarget target) {
tp = new TablePanel(tablePanel,columns,new
PersonBeanProvider(searchFilter),12);
tp.setOutputMarkupId(true);
target.addComponent(tp);
}
});
I get an error _after_ submitting the form - what may be wrong here?
Thanks,
Keep smiling
yanosz
WicketMessage: The component(s) below failed to render. A common problem is
that you have added a component in code but forgot to reference it in the
markup (thus the component will never be rendered).
1. [MarkupContainer [Component id = tablePanel]]
2. [MarkupContainer [Component id = table]]
3. [MarkupContainer [Component id = body]]
4. [MarkupContainer [Component id = rows]]
5. [MarkupContainer [Component id = 1]]
6. [MarkupContainer [Component id = cells]]
7. [MarkupContainer [Component id = 1]]
8. [MarkupContainer [Component id = cell]]
9. [MarkupContainer [Component id = select]]
10. [MarkupContainer [Component id = 2]]
11. [Component id = cell]
12. [MarkupContainer [Component id = 3]]
13. [Component id = cell]
14. [MarkupContainer [Component id = 4]]
15. [Component id = cell]
16. [MarkupContainer [Component id = topToolbars]]
17. [MarkupContainer [Component id = 1]]
18. [MarkupContainer [Component id = 2]]
19. [MarkupContainer [Component id = toolbar]]
20. [MarkupContainer [Component id = headers]]
21. [MarkupContainer [Component id = 1]]
22. [MarkupContainer [Component id = header]]
23. [Component id = label]
24. [MarkupContainer [Component id = 2]]
25. [MarkupContainer [Component id = header]]
26. [MarkupContainer [Component id = orderByLink]]
27. [MarkupContainer [Component id = _body]]
28. [Component id = label]
29. [MarkupContainer [Component id = 3]]
30. [MarkupContainer [Component id = header]]
31. [MarkupContainer [Component id = orderByLink]]
32. [MarkupContainer [Component id = _body]]
33. [Component id = label]
34. [MarkupContainer [Component id = 4]]
35. [MarkupContainer [Component id = header]]
36. [MarkupContainer [Component id = orderByLink]]
37. [MarkupContainer [Component id = _body]]
38. [Component id = label]
39. [MarkupContainer [Component id = bottomToolbars]]
40. [MarkupContainer [Component id = 1]]
Root cause:
org.apache.wicket.WicketRuntimeException: The component(s) below failed to
render. A common problem is that you have added a component in code but forgot
to reference it in the markup (thus the component will never be rendered).
1. [MarkupContainer [Component id = tablePanel]]
2. [MarkupContainer [Component id = table]]
3. [MarkupContainer [Component id = body]]
4. [MarkupContainer [Component id = rows]]
5. [MarkupContainer [Component id = 1]]
6. [MarkupContainer [Component id = cells]]
7. [MarkupContainer [Component id = 1]]
8. [MarkupContainer [Component id = cell]]
9. [MarkupContainer [Component id = select]]
10. [MarkupContainer [Component id = 2]]
11. [Component id = cell]
12. [MarkupContainer [Component id = 3]]
13. [Component id = cell]
14. [MarkupContainer [Component id = 4]]
15. [Component id = cell]
16. [MarkupContainer [Component id = topToolbars]]
17. [MarkupContainer [Component id = 1]]
18. [MarkupContainer [Component id = 2]]
19. [MarkupContainer [Component id = toolbar]]
20. [MarkupContainer [Component id = headers]]
21. [MarkupContainer [Component id = 1]]
22. [MarkupContainer [Component id = header]]
23. [Component id = label]
24. [MarkupContainer [Component id = 2]]
25. [MarkupContainer [Component id = header]]
26. [MarkupContainer [Component id = orderByLink]]
27. [MarkupContainer [Component id = _body]]
28. [Component id = label]
29. [MarkupContainer [Component id = 3]]
30. [MarkupContainer [Component id = header]]
31. [MarkupContainer [Component id = orderByLink]]
32. [MarkupContainer [Component id = _body]]
33. [Component id = label]
34. [MarkupContainer [Component id = 4]]
35. [MarkupContainer [Component id = header]]
Re: WebPage: geting string
hi, can we know where the Utils.replaceAll, escapeHighEnd() and WebPageConstants.SRC_URL_PATTERN came from? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/WebPage-geting-string-tp2993717p2996622.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Yui not included in wicket-extensions?
It is not.
You need wicket-datetime
On Fri, Oct 15, 2010 at 1:59 AM, mailinglists_in...@arcor.de wrote:
Hello,
Is yui included in wicket-extions?
My pom.xml says:
dependency groupIdorg.apache.wicket/groupId
artifactIdwicket-extensions/artifactId
version${wicket.version}/version
/dependency
But org.apache.wicket.extensions.yui seems to be missing. Do I have to
include an additional artifact?
Thanks,
Keep smiling
yanosz
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Re: Getting the html output of a wicket page
Thanks for the reply I tried the code, but it seems that calling it from java's main() method doesn't work. i got this error: org.apache.wicket.WicketRuntimeException: There is no application attached to current thread main Could i have some insights on why this happened? I think i'll have to run it from a separate thread... -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Getting-the-html-output-of-a-wicket-page-tp2994739p2996646.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Job for Wicket Developer in Berlin/Germany
Hallo, my employer is currently looking for one new fulltime Java/Wicket-Developer in Berlin. For those who are interested, here is the link to the job description: http://bit.ly/9iuEgL (sorry, it's in german only) Please don't reply to me directly, but instead to the address mentioned on the job page. Thanks! best regards, Daniel - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
FeedbackPanel for each ListItem in ListView
Hey!
I have ListView and every ListItem has multiple AjaxEditableLabels and
one FeedbackPanel added to it. Each FeedbackPanel should only show
messages that were reported within the same listitem.
I tried the following but it didn't work:
protected void populateItem(final ListItem item) {
[...]
item.add(new FeedbackPanel(someId, new
ContainerFeedbackMessageFilter(item)));
}
Somehow when the AjaxEditablelabel submits, the list items get created
from scratch, which screws up object references and therefore
container.contains(message.getReporter(), true) of the
ContainerFeedbackMessageFilter never returns true.
Am I doing something wrong here? What would be the proper way to check
if a feedback message was created within a listitem?
Cheers,
Patrick
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Re: FeedbackPanel for each ListItem in ListView
Hi, try:
yourListView.setReuseItems(true);
From the JavaDoc:
*WARNING:* though you can nest ListViews within Forms, you HAVE to set the
setReuseItems property to true in order to have validation work properly. By
default, setReuseItems is false, which has the effect that ListView replaces
all child components by new instances. The idea behind this is that you
always render the fresh data, and as people usually use ListViews for
displaying read-only lists (at least, that's what we think), this is good
default behavior.
However, as the components are replaced before the rendering starts, the
search for specific messages for these components fails as they are replaced
with other instances. Another problem is that 'wrong' user input is kept as
(temporary) instance data of the components. As these components are
replaced by new ones, your user will never see the wrong data when
setReuseItems is false.
*
*
On Fri, Oct 15, 2010 at 9:58 AM, Patrick Petermair [via Apache Wicket]
ml-node+2996972-1727673597-65...@n4.nabble.comml-node%2b2996972-1727673597-65...@n4.nabble.com
wrote:
Hey!
I have ListView and every ListItem has multiple AjaxEditableLabels and
one FeedbackPanel added to it. Each FeedbackPanel should only show
messages that were reported within the same listitem.
I tried the following but it didn't work:
protected void populateItem(final ListItem item) {
[...]
item.add(new FeedbackPanel(someId, new
ContainerFeedbackMessageFilter(item)));
}
Somehow when the AjaxEditablelabel submits, the list items get created
from scratch, which screws up object references and therefore
container.contains(message.getReporter(), true) of the
ContainerFeedbackMessageFilter never returns true.
Am I doing something wrong here? What would be the proper way to check
if a feedback message was created within a listitem?
Cheers,
Patrick
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Work smarter, not harder!.
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Backbutton support
Does anyone have any resources on BackButton support with Wicket? My application, although complex, is all one WebPage, it uses Ajax to switch panels dynamically. What would be the best way to handle the back button in this case? Ideally, I would like a way to disable it completely. -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Backbutton-support-tp2997052p2997052.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Backbutton support
Disable it completely is easy - just use any JavaScript library that can handle the browser buttons and add no-op handlers We use http://code.google.com/p/reallysimplehistory/ with some minor modifications. Check wicketstuff-jquery project. There is an example with another JS solution. On Fri, Oct 15, 2010 at 3:40 PM, drf davidrfi...@gmail.com wrote: Does anyone have any resources on BackButton support with Wicket? My application, although complex, is all one WebPage, it uses Ajax to switch panels dynamically. What would be the best way to handle the back button in this case? Ideally, I would like a way to disable it completely. -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Backbutton-support-tp2997052p2997052.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Cannot create statless page
Try adding setStatelessHint( true ) in the HomePage constructor.
public class HomePage extends WebPage {
public HomePage() {
add(new Label(label, new Model(Hello, World)));
setStatelessHint( true ); // - new
}
}
--
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Re: Re-Rendering Table after submitting results in error
Hi,
try to change your onUpdate method:
protected void onUpdate(AjaxRequestTarget target) {
TablePanel newTp = new TablePanel(tablePanel,columns,new
PersonBeanProvider(searchFilter),12);
tp.replaceWith(newTp);
tp = newTp;
target.addComponent(tp);
--
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Re: Getting the html output of a wicket page
i got this error: org.apache.wicket.WicketRuntimeException: There is no application attached to current thread main Could i have some insights on why this happened? Yeah, it happened because your application isn't available (i.e., calling Application.get() returns null or errors). When running as a webapp, the web app is created from your web.xml configuration when the container starts and Wicket puts the Application into a ThreadLocal at the beginning of each request. You need to do something to set up the application yourself if you're running this outside of the container. If this is your goal, see the examples for running WicketTester - they show how to set up your application outside the container. -- Jeremy Thomerson http://www.wickettraining.com
Re: Cannot create statless page
On Fri, Oct 15, 2010 at 1:25 AM, EC chalanga.e...@gmail.com wrote:
Hi,
I am trying to create a simple stateless app according to:
https://cwiki.apache.org/WICKET/stateless-pages.html
and the example in the source.
Whenever I access this page, wicket tries to get an instance of
javax.servlet.http.HttpSession. Our java server traps that and notifies via
an exception.
What is the way around it?
Do I need to implement ISessionStore myself?
Here is the source:
public class MyApplication extends WebApplication {
public Class getHomePage() {
return HomePage.class;
}
@Override
protected void init() {
super.init();
getResourceSettings().setResourcePollFrequency(null);
}
@Override
protected ISessionStore newSessionStore() {
return new HttpSessionStore(this);
}
}
public class HomePage extends WebPage {
public HomePage() {
add(new Label(label, new Model(Hello, World)));
}
}
html
body
h1 wicket:id='label'HELLO/h1
/body
/html
The session is always going to be created for every request (stateless or
not). But, if the session wasn't bound during the request, it is temporary
and thrown away at the end of the request.
--
Jeremy Thomerson
http://www.wickettraining.com
Re: How to add image to table column and how to change image this on click?
Yes this worked! Thank you very much. I have another question, If I want to make the complete column header as clickable, how do I do that. That is, currently it supports only clicking on column name, but I want to have option to click anywhere on that table column header for sorting. Is it possible? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/How-to-add-image-to-table-column-and-how-to-change-image-this-on-click-tp2996263p2997566.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
How to externalize web page elements to make it configurable?
I am looking for some design patterns or best practices for configuring web page fields. My web page has a table, which is dynamically created by my API (Wicket). Currently all the column names are hard coded in the java but I want to make it externalizable that way I can add/remove/modify fields without modifying java code. Also I want to define each field type, valid value ranges etc.. in this external file. Are there any recommended approaches for this requirement? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/How-to-externalize-web-page-elements-to-make-it-configurable-tp2997775p2997775.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: How to externalize web page elements to make it configurable?
Column names (at least with DefaultDataTable) are supplied via an IModelString in the constructor of AbstractColumn, so you can supply whatever you want. Those values can come from a database, properties files, etc. You can use a ResourceModel to load the values from your page/component's properties file. On Fri, Oct 15, 2010 at 6:06 PM, gouthamrv goutha...@yahoo.com wrote: I am looking for some design patterns or best practices for configuring web page fields. My web page has a table, which is dynamically created by my API (Wicket). Currently all the column names are hard coded in the java but I want to make it externalizable that way I can add/remove/modify fields without modifying java code. Also I want to define each field type, valid value ranges etc.. in this external file. Are there any recommended approaches for this requirement? -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/How-to-externalize-web-page-elements-to-make-it-configurable-tp2997775p2997775.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
