[OT] Annotating plaintext with markup tags
Hi everybody, I need to annotate spans of a given plaintext with markup tags, for example: Tagger t = new Tagger(I need a library to annotate plaintext.); // Character indices: 0123456789012345678901234567890123456789 t.annotate(0, 1, i); t.annotate(2, 16, a, href=\#\); t.annotate(9, 19, b); System.out.println(t.toString()); // Output: // iI/i a href=#need a blibrary/b/ab to/b ... // Or even better: // iI/i a href=#need a blibrary/b/ab class=split to/b ... Before reinventing the wheel, does anybody know of a class/library to achieve this? Many thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Asynchronous construction of page
On 02.11.2009, at 22:59, Igor Vaynberg wrote: if you want nonblocking you have to make each thing you are trying to load asynchronously its own page inside an iframe. the page itself can only be accessed synchronously, otherwise you would have to do your own multithreaded access handling in components...which would be horrific. -igor I need to bring this topic up once more. My current solution is to do the background processing in a separate thread and install a timer on the page to poll until the panel's content is ready. The resulting code is ok but feels heavy and unnatural. I would prefer a simpler solution. (I could not use iframes because they CSS does not have enough control over them.) If I understand correctly, several pages can load asynchronously because only the state within a page is protected with synchronization. If so, can't one introduce a stateless component that lives in its own dummy page? I have the hope that if this is done nicely and the dummy page is abstracted away, it would feel much more natural to code asynchronous loading. For example, such a LazyComponent would be constructed with the name of a wicket fragment. When rendered, it displays whatever markup has been add()'ed to the component (loading). When rendered, it makes an AJAX request to load the wicket fragment, which under the hood sits in a dummy page. I don't know enough about Wicket right now to code this so I want to ask whether this is possible and if yes, how this idea can be improved and whether somebody would be available with a few pointers to get me started. Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Asynchronous construction of page
Because the requests will be sequential (a problem in general but not so much in my case) and because I have an auto-completion field on the same page. As I understand it, having some AjaxLazyLoadPanel's active on my page, the auto-completion requests will be queued. So if the loading of the lazy panels takes time, the user experiences slow response in the auto-completion field. Please correct me if I am wrong. Kaspar On 06.11.2009, at 08:47, Pieter Degraeuwe wrote: Why don't you use the AjaxLazyLoadPanel for each part the the screen that takes some time to load? (see also at http://www.roseindia.net/tutorials/wicket/lazy-load.shtml) Pieter - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Asynchronous construction of page
That's what I ended up doing (basically like http://blog.miau.biz/2008/12/wicket-and-slow-running-process-in.html). I just wanted to explain to Pieter why ... On 28.11.2009, at 11:27, Johan Compagner wrote: load that data in separate threads, dont touch any wicket components in those threads make a component like ajaxlazyload that polls for that data if still not there use a timer of a few seconds to test it again On 28/11/2009, Kaspar Fischer kaspar.fisc...@dreizak.com wrote: Because the requests will be sequential (a problem in general but not so much in my case) and because I have an auto-completion field on the same page. As I understand it, having some AjaxLazyLoadPanel's active on my page, the auto-completion requests will be queued. So if the loading of the lazy panels takes time, the user experiences slow response in the auto-completion field. Please correct me if I am wrong. Kaspar On 06.11.2009, at 08:47, Pieter Degraeuwe wrote: Why don't you use the AjaxLazyLoadPanel for each part the the screen that takes some time to load? (see also at http://www.roseindia.net/tutorials/wicket/lazy-load.shtml) Pieter - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
HybridUrlCodingStrategy to get /path/http://what/ever as /path?q=http://what/ever
I am looking for a hybrid URL coding strategy X that when mounted via mount(new X(link, LinkPage.class)); maps URLs contained in my URLs, as in /link/http://code.google.com/p/salve/wiki/WhySalve to a PageParameters instance with a single parameter containing the URL: http://code.google.com/p/salve/wiki/WhySalve;. Does anybody have such an implementation and could share it? I suppose the page id and version need to be stored differently (because URLs may end in .2.3, for instance), maybe as /link/2.3/http://code.google.com/p/salve/wiki/WhySalve? Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Asynchronous construction of page
On 02.11.2009, at 22:59, Igor Vaynberg wrote: the page itself can only be accessed synchronously, otherwise you would have to do your own multithreaded access handling in components...which would be horrific. It's definitely not nice and it would be cool if there were some way to do this in Wicket without having to spawn a thread from the HTTP request itself. Nonetheless, here's a blog post on handling requests in separate threads: http://blog.miau.biz/2008/12/wicket-and-slow-running-process-in.html Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Asynchronous construction of page
I will try to use pages in iframes then. Thanks a lot, Igor. Kaspar On 02.11.2009, at 22:59, Igor Vaynberg wrote: if you want nonblocking you have to make each thing you are trying to load asynchronously its own page inside an iframe. the page itself can only be accessed synchronously, otherwise you would have to do your own multithreaded access handling in components...which would be horrific. -igor On Mon, Nov 2, 2009 at 1:32 PM, Kaspar Fischer kaspar.fisc...@dreizak.com wrote: I am trying to find out how to load several parts (Wicket panels) of a page in parallel using Ajax. The content of these parts takes long to render but I still want the user to see the other, readily available parts of the page, with the delayed panels appearing when available. Several posts on this list indicate that AjaxLazyLoadPanel's only work synchronously. Is this still the case with the latest version/snapshot of Wicket? Is there maybe another approach available (one that still uses Wicket for the parts)? Thanks, Kaspar - 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 - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Asynchronous construction of page
I am trying to find out how to load several parts (Wicket panels) of a page in parallel using Ajax. The content of these parts takes long to render but I still want the user to see the other, readily available parts of the page, with the delayed panels appearing when available. Several posts on this list indicate that AjaxLazyLoadPanel's only work synchronously. Is this still the case with the latest version/snapshot of Wicket? Is there maybe another approach available (one that still uses Wicket for the parts)? Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
OT: Using persistence layer objects for service results?
I am looking for a good pattern/methodology to use when coding
services in small Wicket webapps. I want to use the services from
Wicket but it will also be exposed via RMI and SOAP/REST. For example,
a service for Houses and Inhabitants might have methods like this:
// Returns the houses matching the filter (but not yet the
inhabitants)
ListHouse findHouses(House filter);
// Returns the inhabitants of the given house
ListInhabitant getInhabitants(int houseId);
The class House exposes an id (for use in the getInhabitants() method)
and some data (address, etc.). It does not provide the list of
inhabitants because this list might be huge, might not be needed by
the caller at all, etc. The service returns lists because this comes
in handy with Wicket components.
My question: Should the above service return objects (HouseImpl,
InhabitantImpl) from the persistence layer? Or do you introduce
another set of public (DTO) classes for exposure in the service?
Ideally, I want to keep things simple and manageable, with little code.
For instance, for the above service one could use a Hibernate mapping
like
public class HouseImpl
{
...
@OneToMany(mappedBy = house, fetch = FetchType.LAZY)
private final CollectionInhabitantImpl inhabitants;
}
and
public class InhabitantImpl
{
...
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(nullable = false, updatable = false)
private HouesImpl house;
}
and the service can directly return instances of these classes. I have
used this approach in a project and we have seen these problems:
- There's some code used to properly detach the objects and load all
exposed data in order to avoid LazyInitializationException's. For
instance, if House has a list of caretakers and you want them to be
exposed in the service's House, you may need to tell Hibernate to load
them first. This code is cumbersome to maintain.
- I am not sure whether this would work with RMI, for example. I
suppose the Hibernate proxies that exist for some of the members would
get transmitted and would have to exist at the client end, too...
Therefore: How do you design your services? Is anybody using some
method in which the service objects are generated (semi-)automatically
from the persistence layer objects?
Many thanks for your input!
Kaspar
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Re: HTTP pseudo streaming for Wicket
Ok, thanks. I think what you are saying holds for FLV streaming, but MP4 streaming looks more complicated: http://www.longtailvideo.com/support/forum/General-Chat/15793/pseudo-stream-mp4- It seems, as Jeremey pointed out, that lighttpd can do that. (I am looking for a Tomcat-only solution.) Kaspar On 25.05.2009, at 23:13, Matej Knopp wrote: I'm not sure why there should be any logic regarding mp4 on the server. I don't know how exactly flash mp4 players work but the player should be able to request the exact byte offset and length from the server. Content-Range header basically provides random access to remote files which should be enough for streaming playback with seeking. -Matej On Mon, May 25, 2009 at 10:00 PM, Kaspar Fischer h...@rapsak.com wrote: Sorry: the link I gave is already outdated; a new version is available: http://h264.code-shop.com/trac/wiki P.S. Unfortunately I need a solution for Tomcat as I am hosting at a Tomcat provider. On 25.05.2009, at 22:57, Kaspar Fischer wrote: Thanks, Matej, for the pointer. I have not read a lot about MP4 Pseudo Streaming but as far as I currently understand it, the server needs to analyse the MP4 file (its meta data, actually) in order to know which part of the file to return -- the latter task can then be done using you Streamer.java. For instance, http://h264.code-shop.com/trac/wiki/Mod-H264-Streaming-Introduction-Version1 analyses the MP4 file in order to get from a time-input (start playing at 00:01:23) to a file offset. Does anymore have or know of Java code/port for the MP4/h264 pseudo-streaming and is willing to share it? Kaspar On 13.04.2009, at 21:10, Matej Knopp wrote: If you want to support http streaming you need to implements servlet/filter that supports Content-Range and Accept-Range headers. You can take a look at http://code.google.com/p/brix-cms/source/browse/trunk/brix-core/src/main/java/brix/plugin/site/resource/Streamer.java to get the idea. -Matej On Mon, Apr 13, 2009 at 6:16 PM, Jeremy Thomerson jer...@wickettraining.com wrote: I think lighttpd does this - although I've never personally used it. I just remember it form some research I was doing on a similar subject. http://blog.lighttpd.net/articles/2006/03/09/flv-streaming-with-lighttpd -- Jeremy Thomerson http://www.wickettraining.com On Sat, Apr 11, 2009 at 5:10 AM, Kaspar Fischer h...@rapsak.com wrote: I need to stream H264 .mp4 movies to a Flash video player (JW Player) and want to support HTTP pseudo streaming, i.e., the user should be able to seek within the movie. Does anybody know of a Wicket implementation for this, something like xmoov-php [1] for Java with a corresponding Wicket component? The video itself lies in a JackRabbit repository, not directly on the file system. Red5 [2] offers streaming and a lot more. However, I need a solution that also works in low memory situations and from the Red5 specs [2] it seems that this might be difficult. Regards, Kaspar -- [1] http://xmoov.com/xmoov-php/ [2] http://code.google.com/p/red5/ [3] http://jira.red5.org/confluence/display/docs/Chapter+11.+System+Requirements+For+Red5 - 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 - 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 - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: HTTP pseudo streaming for Wicket
Thanks, Matej, for the pointer. I have not read a lot about MP4 Pseudo Streaming but as far as I currently understand it, the server needs to analyse the MP4 file (its meta data, actually) in order to know which part of the file to return -- the latter task can then be done using you Streamer.java. For instance, http://h264.code-shop.com/trac/wiki/Mod-H264-Streaming-Introduction-Version1 analyses the MP4 file in order to get from a time-input (start playing at 00:01:23) to a file offset. Does anymore have or know of Java code/port for the MP4/h264 pseudo-streaming and is willing to share it? Kaspar On 13.04.2009, at 21:10, Matej Knopp wrote: If you want to support http streaming you need to implements servlet/filter that supports Content-Range and Accept-Range headers. You can take a look at http://code.google.com/p/brix-cms/source/browse/trunk/brix-core/src/main/java/brix/plugin/site/resource/Streamer.java to get the idea. -Matej On Mon, Apr 13, 2009 at 6:16 PM, Jeremy Thomerson jer...@wickettraining.com wrote: I think lighttpd does this - although I've never personally used it. I just remember it form some research I was doing on a similar subject. http://blog.lighttpd.net/articles/2006/03/09/flv-streaming-with-lighttpd -- Jeremy Thomerson http://www.wickettraining.com On Sat, Apr 11, 2009 at 5:10 AM, Kaspar Fischer h...@rapsak.com wrote: I need to stream H264 .mp4 movies to a Flash video player (JW Player) and want to support HTTP pseudo streaming, i.e., the user should be able to seek within the movie. Does anybody know of a Wicket implementation for this, something like xmoov-php [1] for Java with a corresponding Wicket component? The video itself lies in a JackRabbit repository, not directly on the file system. Red5 [2] offers streaming and a lot more. However, I need a solution that also works in low memory situations and from the Red5 specs [2] it seems that this might be difficult. Regards, Kaspar -- [1] http://xmoov.com/xmoov-php/ [2] http://code.google.com/p/red5/ [3] http://jira.red5.org/confluence/display/docs/Chapter+11.+System+Requirements+For+Red5 - 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 - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: HTTP pseudo streaming for Wicket
Sorry: the link I gave is already outdated; a new version is available: http://h264.code-shop.com/trac/wiki P.S. Unfortunately I need a solution for Tomcat as I am hosting at a Tomcat provider. On 25.05.2009, at 22:57, Kaspar Fischer wrote: Thanks, Matej, for the pointer. I have not read a lot about MP4 Pseudo Streaming but as far as I currently understand it, the server needs to analyse the MP4 file (its meta data, actually) in order to know which part of the file to return -- the latter task can then be done using you Streamer.java. For instance, http://h264.code-shop.com/trac/wiki/Mod-H264-Streaming-Introduction-Version1 analyses the MP4 file in order to get from a time-input (start playing at 00:01:23) to a file offset. Does anymore have or know of Java code/port for the MP4/h264 pseudo-streaming and is willing to share it? Kaspar On 13.04.2009, at 21:10, Matej Knopp wrote: If you want to support http streaming you need to implements servlet/filter that supports Content-Range and Accept-Range headers. You can take a look at http://code.google.com/p/brix-cms/source/browse/trunk/brix-core/src/main/java/brix/plugin/site/resource/Streamer.java to get the idea. -Matej On Mon, Apr 13, 2009 at 6:16 PM, Jeremy Thomerson jer...@wickettraining.com wrote: I think lighttpd does this - although I've never personally used it. I just remember it form some research I was doing on a similar subject. http://blog.lighttpd.net/articles/2006/03/09/flv-streaming-with-lighttpd -- Jeremy Thomerson http://www.wickettraining.com On Sat, Apr 11, 2009 at 5:10 AM, Kaspar Fischer h...@rapsak.com wrote: I need to stream H264 .mp4 movies to a Flash video player (JW Player) and want to support HTTP pseudo streaming, i.e., the user should be able to seek within the movie. Does anybody know of a Wicket implementation for this, something like xmoov-php [1] for Java with a corresponding Wicket component? The video itself lies in a JackRabbit repository, not directly on the file system. Red5 [2] offers streaming and a lot more. However, I need a solution that also works in low memory situations and from the Red5 specs [2] it seems that this might be difficult. Regards, Kaspar -- [1] http://xmoov.com/xmoov-php/ [2] http://code.google.com/p/red5/ [3] http://jira.red5.org/confluence/display/docs/Chapter+11.+System+Requirements+For+Red5 - 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 - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Tree Table - Update Model
What worked for me is replacing the tree component via replaceWith()
with a new instance of the tree. It's definitely not nice but at least
it worked.
Kaspar
On 14.05.2009, at 14:55, Peter Diefenthaeler wrote:
Hi every one,
I tried the tree table example and get stuck with two problems.
How can I avoid links in the tree leavlets?
How can I update the tree on a new model. I've generated the tree
information on a database query with a search field. When I press the
search button, I expected the tree to be updated with the new model,
but it
doesn't work.
suchform.add(new AjaxButton(search)
{
private static final long serialVersionUID = 1L;
@Override
protected void onSubmit(AjaxRequestTarget target,
Form
form) {
suchliste = new SucheDao().search(suchfeld);
log.debug(#Treffer: + suchliste.size());;
tm = createTreeModel(suchliste);
tree.updateTree();
target.addComponent(tree);
}
});
tm = createTreeModel(suchliste);
tree = new Tree(tree, tm);
tree.setRootLess(true);
tree.getTreeState().collapseAll(););
add(tree.setOutputMarkupId(true)););
Wicket Version 1.3.6
Thanx.
PETER DIEFENTHÄLER
CSC
Sandstr. 7, 80335 München, Germany
CIS Payments Integration | office: +49 89 5908 6441 | mobile: +49
172 886
5632 | fax: +49 89 5908 6499 | pdief...@csc.com | www.csc.com
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Re: Tomcat Publishing and Hot-Swapping with Wicket (solved)
;-) If in a soft wall room they hear you taking about tomcat (what kind of a cat?), hot-swapping, well, aeh, ... they might keep you a little longer... On 05.05.2009, at 13:23, nino martinez wael wrote: I like these kind of monologs, I often do them myself also known as parrot talks :) We both need to remember not to do them too often, if too often then we end up in a room with soft walls :) regards Nino 2009/5/4 Kaspar Fischer fisch...@inf.ethz.ch: I intended to post the following questions but found the answer myself, finally. I post it anyway in the hope that it helps others. Kaspar Fischer almost posted the following: My app takes quite some time to start up, so I don't want changes to my Wicket HTML or Wicket Java files to cause Tomcat to completely reload the web app. Is it (at all) possible that only the changed Wicket HTML/Java/.properties file get reloaded and the rest (Spring beans, etc.) stays? Yes. It is working for HTML, Java, and .properties files under Eclipse with WTP and Tomcat. I am a little confused about the terms used in this context. Here's how I see; please correct me if I am wrong. - Hotswapping means replacing a given class implementation with another one. - Publishing (as seen in the server configuration panel in Eclipse when clicking on a Tomcat server in the Servers view) means shutting a webapp down and restarting it, hithout actually shutting Tomcat down. I can't answer myself on this. But I guess it's more or less fine ;-) There is also an option Update context paths in the Tomcat Server configuration panel (under Publishing). Is it related? It is checked in my set up but I don't know whether it is related. Finally, *how* can I get Tomcat/Eclipse/Wicket to only reload Wicket HTML/Java/.properties files that changed? In particular, I am unsure whether I have to: - Debug instead of Run the server (i.e., click Debug in the Eclipse Servers view)? With Debug it works. - Should the server have Automatically publish when resources change selected (in the server's configuration panel in Eclipse)? I have this checkbox checked. - What Tomcat Context configuration must I use? I currently have something like: Context docBase=myproject path=/myproject reloadable=true source=org.eclipse.jst.j2ee.server:myproject/ This works for me. - In the server's configuration panel, in tab Modules, should I check Auto reloading enabled? No. Otherwise Tomcat reloads the *whole* webapp. I know that Wicket must be running in development mode. I think so, too ;-) Many thanks for any pointers and sharing your settings! Kaspar, you're welcome. Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Override properties in Fragments?
How can one override properties in Fragments? Given a component: divwicket:message key=foo//div which I instantiate twice, say, in div wicket:id=c1 / wicket:fragment id=fragment div wicket:id=c2 / /wicket:fragment/ I can override c1's property foo via c1.foo=Bar but neither c2.foo=Bar nor fragment.c2.foo=Bar work. What is the property path to access c2's foo? Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Override properties in Fragments?
On 13.05.2009, at 18:40, Jeremy Thomerson wrote: Good questoin - I'm not sure how that works with wicket:message. But I suppose you could easily add a label to the fragment and control the property key to your label easily Programmatically, you mean, right? Using Component#getString() for instance. I was curious whether there is a solution where that is not necessary...? - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Tomcat Publishing and Hot-Swapping with Wicket (solved)
I intended to post the following questions but found the answer myself, finally. I post it anyway in the hope that it helps others. Kaspar Fischer almost posted the following: My app takes quite some time to start up, so I don't want changes to my Wicket HTML or Wicket Java files to cause Tomcat to completely reload the web app. Is it (at all) possible that only the changed Wicket HTML/Java/.properties file get reloaded and the rest (Spring beans, etc.) stays? Yes. It is working for HTML, Java, and .properties files under Eclipse with WTP and Tomcat. I am a little confused about the terms used in this context. Here's how I see; please correct me if I am wrong. - Hotswapping means replacing a given class implementation with another one. - Publishing (as seen in the server configuration panel in Eclipse when clicking on a Tomcat server in the Servers view) means shutting a webapp down and restarting it, hithout actually shutting Tomcat down. I can't answer myself on this. But I guess it's more or less fine ;-) There is also an option Update context paths in the Tomcat Server configuration panel (under Publishing). Is it related? It is checked in my set up but I don't know whether it is related. Finally, *how* can I get Tomcat/Eclipse/Wicket to only reload Wicket HTML/Java/.properties files that changed? In particular, I am unsure whether I have to: - Debug instead of Run the server (i.e., click Debug in the Eclipse Servers view)? With Debug it works. - Should the server have Automatically publish when resources change selected (in the server's configuration panel in Eclipse)? I have this checkbox checked. - What Tomcat Context configuration must I use? I currently have something like: Context docBase=myproject path=/myproject reloadable=true source=org.eclipse.jst.j2ee.server:myproject/ This works for me. - In the server's configuration panel, in tab Modules, should I check Auto reloading enabled? No. Otherwise Tomcat reloads the *whole* webapp. I know that Wicket must be running in development mode. I think so, too ;-) Many thanks for any pointers and sharing your settings! Kaspar, you're welcome. Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Wicketstuff-core issue
I have a minor issue with wicket-stuff core. I don't know where to report it to, so I hope it's fine if I post here. (Wicket JIRA probably isn't the right place and Wicketstuff JIRA does not contain a project 'wicketstuff-core'.) The pom.xml does not work for me with Maven 2.1.0. If I change plugin groupIdorg.mortbay.jetty/groupId artifactIdmaven-jetty-plugin/artifactId /plugin to plugin groupIdorg.mortbay.jetty/groupId artifactIdmaven-jetty-plugin/artifactId version6.1.10/version /plugin it works. Kaspar P.S. Just to be sure: I found no JAR in the maven repository [1], so assume that there are no nightly builds for this project and I have to compile myself, right? [1] http://wicketstuff.org/maven/repository/org/wicketstuff/wicketstuff-core/1.4-SNAPSHOT/ - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: maven-eclipse-plugin 2.6 will break your wicket projects
John, thanks for sharing this. It worked for me with the update from Maven 2.0.9 to 2.1.0 on MacOS X. Kaspar On 03.04.2009, at 16:42, John Krasnay wrote: FYI to anyone who's been bitten by this, there's a simple workaround. Just add the following to your pom.xml: build plugins plugin artifactIdmaven-eclipse-plugin/artifactId version2.5.1/version /plugin /plugins /build We did it in our parent POM and it's working fine. jk - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
How to get property from .properties file for a component class (and not instance)?
Is there a way to get a property from a .properties file given its name and the class of the component? All methods I have seen, e.g., WebApplication .get().getResourceSettings().getLocalizer().getString(key, component) require the property's name and a component instance, not a component class. In my particular scenario, I don't want the component hierarchy to be taken into account... I could load the .properties file myself, but I suppose these values are somethere (cached) in Wicket. Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
HTTP pseudo streaming for Wicket
I need to stream H264 .mp4 movies to a Flash video player (JW Player) and want to support HTTP pseudo streaming, i.e., the user should be able to seek within the movie. Does anybody know of a Wicket implementation for this, something like xmoov-php [1] for Java with a corresponding Wicket component? The video itself lies in a JackRabbit repository, not directly on the file system. Red5 [2] offers streaming and a lot more. However, I need a solution that also works in low memory situations and from the Red5 specs [2] it seems that this might be difficult. Regards, Kaspar -- [1] http://xmoov.com/xmoov-php/ [2] http://code.google.com/p/red5/ [3] http://jira.red5.org/confluence/display/docs/Chapter+11.+System+Requirements+For+Red5 - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Wicket-Extensions Installation
On 01.04.2009, at 17:58, Tomáš Mihok wrote: Hi there, I would like to ask for a guide or a page explaining installation process of wicket-extensions. I need especially TabbedPanel and TabControl. Thx oin advance. I cannot answer about the existence of the page. -- But if you are using Maven, just add a dependency dependency groupIdorg.apache.wicket/groupId artifactIdwicket-extensions/artifactId version1.4-SNAPSHOT/version /dependency to your pom.xml, with 1.4-SNAPSHOT as shown or the desired version of wicket-extensions. Maven will take care of the rest and you will be able use TabbedPanel, etc. (You can use http://wicket.apache.org/quickstart.html to get an initial project structure for use with maven; then add the above dependency.) Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
[OT] Book/pointers on caching
I again and again run into the following problem: My Wicket app displays a complex page, and in order to compile the information needed for this page, I need to do many database/repository queries and/or computations -- so many that it simply takes to long and the user has two wait. Take for instance a page with many news blocks for different topics, a recently added content block, polls, the list of all active users, etc. Fetching all this data requires tons of queries to the backend. I understand that I need some caching mechanism. And as many have pointed out on this list, it is preferable to not do this in the presentation layer (caching Wicket components) but to move the caching to the business logic or persistence layer. So my Wicket models still make the same calls, like service.find(blabla), but behind the scenes, a cache speeds up the access. The question is just: what are good caching strategies? When to update the cache? Should the cache itself know when to invalidate entries? Etc. Is there any sample code, articles, or books on this that you can recommend? I liked to read Multitiered architectures in Wicket in Action and would enjoy something in this direction: Spring, Hibernate (or db4o), services, ... Thanks a lot, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Open Session in View Pattern: some basic questions
Igor, this clarified a lot. Many thanks for your very detailed reply. Kaspar On 26.03.2009, at 19:30, Igor Vaynberg wrote: there are three patterns to transaction management the default pattern is session-per-transaction. this is not convenient because after your business logic closes the transaction you can no longer use the session in the ui. there are two ways to solve this: either use session-per-request - which means on first transaction you open a session, and keep it open for the duration of the requests. transactions share the session and even after the transactions are done you still have a session. this is better because after your business logic is done you have the session you can use for ui with all the stuff from business logic already loaded. this is what the spring osiv filter does. the other way is a single transaction-per-request. this means on first access you create a session and a transaction. all other operations inside a request run within that one transaction. the difference between session-per-request and transaction-per-request is data integrity from the user's perspective. if the user sees an error page have his changes been saved to the database to some degree? with transaction-per-request you are guaranteed that if user sees an error screen none of their changes have been preserved - because whatever displayed the error screen also rolled back the transaction. with session-per-request there is no such guarantee. eg the business logic runs fine and saves the data but an error in the ui causes an error page. user sees an error - but the data is already saved - a little inconsistent. personally i prefer transaction-per-request but afaik there is nothing baked into spring that will do that so you will have to roll your own. -igor On Thu, Mar 26, 2009 at 5:31 AM, Kaspar Fischer fisch...@inf.ethz.ch wrote: I am learning about the OSIV pattern and have so far read the introduction at hibernate.org [1], the Spring JavaDoc for OpenSessionInViewFilter [2], the excellent MysticCoders tutorial [3] that uses Spring's OpenSessionInViewFilter, and some more. I have basic questions: 1. Is it correct that there are two variants of the pattern? In one variant there is a single transaction (and a single session) that gets committed at the end of the request, as described in [1]. If I am not mistaken, James's wicket-advanced application [5] also uses this variant. In the second variant, there is an intermediate commit. We therefore have two transactions (and one or two Hibernate sessions). Examples for this are WicketRAD and the London-Wicket PDF [4]. 2. The first variant has the disadvantage that the code handling the request cannot handle errors itself as the commit takes place at the end of the request, in a filter. Correct? As a concrete example, this means that if my code inserts an item that already exists and does not explicitly check for duplicates, the request will result in a rollback and the default error page. Where I would have preferred to see a feedback message This item already exists. (It seems to me, however, that it is not a good practice to move error checking concerns to the database integrity layer, so the code *should* check for duplicates...) 4. Which variant(s) doe Spring's OpenSessionInViewFilter support and how does it work? I do not fully understand the documentation of the class but have the feeling it implements the second, and you can specify whether you want a single or two Hibernate sessions. I read [3]: NOTE: This filter will by default not flush the Hibernate Session, with the flush mode set to FlushMode.NEVER. It assumes to be used in combination with service layer transactions that care for the flushing: The active transaction manager will temporarily change the flush mode to FlushMode.AUTO during a read-write transaction, with the flush mode reset toFlushMode.NEVER at the end of each transaction. If you intend to use this filter without transactions, consider changing the default flush mode (through the flushMode property). Here is my understanding of this, assuming I have configured a Spring transaction manager and use transaction annotations: When a request starts, a Hibernate session is opened. When the first method with a @Transactional annotation is encountered, a transaction is started, and Hibernate's session is associated with this transaction. When the method exits, the transaction is committed but the session is left open (the OSIV behaviour). At the end of the request, the session is closed. Is this correct? Thanks for a reply and sorry for the lengthy post, Kaspar -- [1] http://www.hibernate.org/43.html [2] http://static.springframework.org/spring/docs/2.5.x/api/org/springframework/orm/hibernate3/support/OpenSessionInViewFilter.html [3] http://www.mysticcoders.com/blog/2009/03/13/5-days-of-wicket-putting-it-all-together/ [4] http://code.google.com/p
Thanks!
Dear list members, contributors and Wicket core developers, Some time ago we have deployed a website which I have migrated from Tapestry 4. The website is using Alfresco CMS as its data repository. The front-end and the editor back-end (the latter you cannot see without being logged in) were written in Wicket 1.4. Working with Wicket was a pleasure. Many thanks to the Wicket developers and the community for providing such a high-quality framework and for the excellent support on this forum. Cheers, Kaspar -- http://78.46.32.164/ PLEASE DO NOT POST THE NAME OF THE WEBSITE/DOMAIN OR ITS PRODUCER HERE. I DON'T WANT PEOPLE TO FIND THIS (FIRST) WHEN THEY GOOGLE THE WEBSITE NAME. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Open Session in View Pattern: some basic questions
I am learning about the OSIV pattern and have so far read the introduction at hibernate.org [1], the Spring JavaDoc for OpenSessionInViewFilter [2], the excellent MysticCoders tutorial [3] that uses Spring's OpenSessionInViewFilter, and some more. I have basic questions: 1. Is it correct that there are two variants of the pattern? In one variant there is a single transaction (and a single session) that gets committed at the end of the request, as described in [1]. If I am not mistaken, James's wicket-advanced application [5] also uses this variant. In the second variant, there is an intermediate commit. We therefore have two transactions (and one or two Hibernate sessions). Examples for this are WicketRAD and the London-Wicket PDF [4]. 2. The first variant has the disadvantage that the code handling the request cannot handle errors itself as the commit takes place at the end of the request, in a filter. Correct? As a concrete example, this means that if my code inserts an item that already exists and does not explicitly check for duplicates, the request will result in a rollback and the default error page. Where I would have preferred to see a feedback message This item already exists. (It seems to me, however, that it is not a good practice to move error checking concerns to the database integrity layer, so the code *should* check for duplicates...) 4. Which variant(s) doe Spring's OpenSessionInViewFilter support and how does it work? I do not fully understand the documentation of the class but have the feeling it implements the second, and you can specify whether you want a single or two Hibernate sessions. I read [3]: NOTE: This filter will by default not flush the Hibernate Session, with the flush mode set to FlushMode.NEVER. It assumes to be used in combination with service layer transactions that care for the flushing: The active transaction manager will temporarily change the flush mode to FlushMode.AUTO during a read-write transaction, with the flush mode reset toFlushMode.NEVER at the end of each transaction. If you intend to use this filter without transactions, consider changing the default flush mode (through the flushMode property). Here is my understanding of this, assuming I have configured a Spring transaction manager and use transaction annotations: When a request starts, a Hibernate session is opened. When the first method with a @Transactional annotation is encountered, a transaction is started, and Hibernate's session is associated with this transaction. When the method exits, the transaction is committed but the session is left open (the OSIV behaviour). At the end of the request, the session is closed. Is this correct? Thanks for a reply and sorry for the lengthy post, Kaspar -- [1] http://www.hibernate.org/43.html [2] http://static.springframework.org/spring/docs/2.5.x/api/org/springframework/orm/hibernate3/support/OpenSessionInViewFilter.html [3] http://www.mysticcoders.com/blog/2009/03/13/5-days-of-wicket-putting-it-all-together/ [4] http://code.google.com/p/londonwicket/downloads/detail?name=LondonWicket-OpenSessionInView.pdfcan=2q= [5] http://markmail.org/message/ittmrmwsn5l6usx7 - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
OT: How to connect Wicket layer to underlying service layer
I am trying to figure out the architecture of a prototype application. In it, the presentation layer (Wicket) needs to work with a service layer to display and edit lists (among other things). The service layer also exposes some Web Services via SOAP/REST which I intend to use for a Flash/Flex component that will be on the pages served by Wicket and will display the lists in a graphical and interactive way. What options do I have to connect the presentation and middle layer? - RMI between Wicket and the service layer: This would allow them to run separately (e.g., we can work on the presentation without taking down the service layer who is running background processes). - Service layer and Wicket in the same webapp. - Service layer and Wicket in separate webapps but with Tomcat's crossContext set to true. - Anything else? Can anybody share some recommendations or experiences? I am worried that RMI will not only be a performance bottleneck (is it?) but also that it will be hard to work with models. Looking at wicket-phonebook, https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wicketstuff-core/phonebook/src/main/java/wicket/contrib/phonebook/web/DetachableContactModel.java I see that the presentation layer has access to the DAO and stores id's in its models. With an RMI separation, the DAO is in the middle layer and not accessible from the presentation layer. Also, transactional boundaries are in the service layer, so I will not be able to do something more complex in the presentation layer (which I shouldn't do anyway, I guess). Many thanks for feedback, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: OT: How to connect Wicket layer to underlying service layer
James, Eduardo, Jeremy, thank you very much for your input! I follow your discussions with great interest. Can you recommend a book on this sort of questions? I have read books on Spring and Hibernate but not from this high-level point of view. Cheers, Kaspar On 24.03.2009, at 17:38, Eduardo Nunes wrote: Ok I got it. One question, consider that you have this model: Person 1xN Address You have a screen that list a detailed view of a person, including a list of addresses. What approach do you use to implement it? - A service method that returns a Person entity with eager load of the list of Addresses? (if you don't need always the addresses this doesn't make sense) - A service method that returns a Person entity with lazy load of the list of Addresses? (it could be a problem in a JEE environment) - Two service methods, one to return the Person entity and another one to return the of addresses? Thanks, Eduardo S. Nunes On Tue, Mar 24, 2009 at 1:11 PM, Jeremy Thomerson jer...@wickettraining.com wrote: Agree again. -- Jeremy Thomerson http://www.wickettraining.com On Tue, Mar 24, 2009 at 11:11 AM, James Carman jcar...@carmanconsulting.com wrote: On Tue, Mar 24, 2009 at 12:08 PM, Eduardo Nunes esnu...@gmail.com wrote: Yes, I understand you too. What do you do when you have to send a set of entities and a calculation for each entity? you encapsulate it inside another class? A domain-driven design advocate would say that the entity knows how to calculate what you need and you can ask it for the calculated value. - 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 - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
setRequired() final?
I have a form component to select items and would like to add lower and upper constraints on the number of items that need to be set by the user. I added setMin() and setMax() methods and would like to override setRequired() to call setMin(1). However, FormComponent.setRequired is final. Is there a particular reason for this? Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: setRequired() final?
On 05.03.2009, at 10:49, Kaspar Fischer wrote: I have a form component to select items and would like to add lower and upper constraints on the number of items that need to be set by the user. I added setMin() and setMax() methods and would like to override setRequired() to call setMin(1). However, FormComponent.setRequired is final. Is there a particular reason for this? On second thoughts I think I am mixing two concerns her: requiring input and validation. I guess in my case, required is meaningless (the list of selected items should not be null). And the constraint on the number of items should be added via a validator. Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: setRequired() final?
On 05.03.2009, at 15:11, jWeekend wrote: Kaspar, +1 :-) Thanks for the feedback. Good to know I'm on the right track. Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: [wicket-rad] Problem creating form
On 19.02.2009, at 19:06, Kaspar Fischer wrote: I am trying to create a form using Wicket-RAD 0.6 and get Caused by: java.lang.NoSuchMethodError: org.wicketrad.jpa.propertyeditor.CreateBeanForm.add(Lorg/apache/ wicket/Component;)Lorg/apache/wicket/MarkupContainer; at org .wicketrad .jpa.propertyeditor.CreateBeanForm.init(CreateBeanForm.java:27) at org .wicketrad .jpa .propertyeditor .DefaultCreateBeanForm.init(DefaultCreateBeanForm.java:47) at org .wicketrad .jpa .propertyeditor .DefaultCreateBeanForm.init(DefaultCreateBeanForm.java:35) at org.icarbasel.aris.ui.web.pages.ProfilesPage $1.init(ProfilesPage.java:11) at org .icarbasel.aris.ui.web.pages.ProfilesPage.init(ProfilesPage.java:11) ... 31 more Does anybody know where the problem could lie? For the sake of completeness, this solved it: http://www.nabble.com/Re%3A-Wicket-RAD-0.6-with-Wicket-1.4-SNAPSHOT-p22260835.html Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: using a model with DropDownChoice
On 26.02.2009, at 22:52, Brill Pappin wrote:
For some reason the DropDownChoice component doesn't have the same
generics as ListView and it will not accept a model that listview
will, despite its saying that it will accept an IModel.
Is anyone else having that sort of trouble with DropDownChoice?
- Brill
Can you give us more information on what exactly is not working for you?
DropDownChoice indeed does accept a model, see for instance the
example in the class description at
http://wicket.apache.org/docs/1.4/org/apache/wicket/markup/html/form/DropDownChoice.html
This works for me.
Kaspar
--
!-- HTML: --
select wicket:id=site
optionsite 1/option
optionsite 2/option
/select
ul
li wicket:id=site2wicket:container wicket:id=sitename//li
/ul
// Code
List SITES = Arrays.asList(new String[] {
The Server Side, Java Lobby, Java.Net
});
form.add(new DropDownChoice(site, SITES));
form.add(new ListView(site2, SITES)
{
@Override
protected void populateItem(ListItem item)
{
item.add(new Label(sitename, item.getModel()));
}
});
-
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Re: [OT] Framework for managing task
That seems to be it! Thanks a lot, Pierre. Kaspar On 23.02.2009, at 00:39, Pierre Goupil wrote: Maybe Quartz is what you want : http://www.opensymphony.com/quartz/ Regards, Pierre On Sun, Feb 22, 2009 at 11:26 PM, Kaspar Fischer fisch...@inf.ethz.chwrote: My Wicket app needs to run tasks in the background and I am looking for a Java framework to persist tasks in the sense that I can submit a task and the framework would ensure that once submitted (transactions?), the task will be run, even if the server is shut down in between and the task needs to be restarted. Also, tasks that support cancellation (à la java.util.concurrent.ExecutorService) should be cancelled when the system stops. Do you know of anything similar? Whatever tool I'll end up with I will document the integration with Wicket on the wiki. Thanks a lot, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org -- Sans amis était le grand maître des mondes, Eprouvait manque, ce pour quoi il créa les esprits, Miroirs bienveillants de sa béatitude. Mais au vrai, il ne trouva aucun égal, Du calice du royaume total des âmes Ecume jusqu'à lui l'infinité. (Schiller, l'amitié) - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: [OT] Simple file repository?
Thank you all very much for your advice. I will take a look at JackRabitt and Alfresco. Kaspar On 16.02.2009, at 01:45, Fabrizio Giudici wrote: Kaspar Fischer wrote: User's of my application will upload, edit, and delete files. For this, I'd like to have a simple file repository with the following features: - Files are stored on the file system. - Files are distributed over several folders (to avoid a single folder with 10,000 files, say). - Support for transactions Does anybody know of a simple Java library that satisfies these requirements? For example: a Hibernate database with a relation Files holding tuples (DocId, FilePath), and a service with: - id store(stream): creates from the stream a new file on the file system and inserts a new tuple into the relation, returns id - stream edit(id): returns a stream to a temporary copy of the file with the given id; updates the corresponding tuple to point to the temp file - void remove(id): removes the corresponding tuple form the relation ... and a background job which deletes dangling files. I suggest you something implemented on the top of JackRabbit (Java Content Repository). You might have a look at Brix, which is a CMS based on Wicket and JackRabbit. -- Fabrizio Giudici - Java Architect, Project Manager Tidalwave s.a.s. - We make Java work. Everywhere. weblogs.java.net/blog/fabriziogiudici - www.tidalwave.it/blog fabrizio.giud...@tidalwave.it - mobile: +39 348.150.6941 - 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
[OT] Framework for managing task
My Wicket app needs to run tasks in the background and I am looking for a Java framework to persist tasks in the sense that I can submit a task and the framework would ensure that once submitted (transactions?), the task will be run, even if the server is shut down in between and the task needs to be restarted. Also, tasks that support cancellation (à la java.util.concurrent.ExecutorService) should be cancelled when the system stops. Do you know of anything similar? Whatever tool I'll end up with I will document the integration with Wicket on the wiki. Thanks a lot, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
[wicket-rad] Problem creating form
I hope this is the right list for wicket-rad questions? (The one on
SourceForge is empty.)
I am trying to create a form using Wicket-RAD 0.6 and get
Caused by: java.lang.NoSuchMethodError:
org.wicketrad.jpa.propertyeditor.CreateBeanForm.add(Lorg/apache/wicket/
Component;)Lorg/apache/wicket/MarkupContainer;
at
org
.wicketrad
.jpa.propertyeditor.CreateBeanForm.init(CreateBeanForm.java:27)
at
org
.wicketrad
.jpa
.propertyeditor
.DefaultCreateBeanForm.init(DefaultCreateBeanForm.java:47)
at
org
.wicketrad
.jpa
.propertyeditor
.DefaultCreateBeanForm.init(DefaultCreateBeanForm.java:35)
at org.icarbasel.aris.ui.web.pages.ProfilesPage
$1.init(ProfilesPage.java:11)
at
org.icarbasel.aris.ui.web.pages.ProfilesPage.init(ProfilesPage.java:
11)
... 31 more
Does anybody know where the problem could lie?
Kaspar
--
My page has markup div wicket:id=form/div and constructor
public ProfilesPage()
{
BeanForm? form = new DefaultCreateBeanForm(form, new Profile())
{
@Override
protected void afterSubmit()
{
System.err.println(Done...);
}
};
add(form);
}
The Profile class looks like this:
@Table
public class Profile implements IdentifiableLong
{
@Column
@Id
@GeneratedValue
private Long id;
@Column(unique = true)
private String name;
public Long getId()
{
return id;
}
public void setId(Long id)
{
this.id = id;
}
@FieldOrder(1)
@TextField
@Length(min = 5, max = 255)
@LabelProperty
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
}
-
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Re: [wicket-rad] Problem creating form
On 19.02.2009, at 19:34, wfaler wrote:
Hi,
Wicket RAD is actually not officially part of Wicket, so the right
forum is
here: http://www.nabble.com/Wicket-RAD-f35257.html
Sorry! I will post a next topic to that forum.
However, looking at your code, what version of Wicket are you using,
and is
it really on the classpath?
Wicket (1.4-SNAPSHOT) is running fine and I am using Panel.add() at
several other places. Only when I navigate to a page containing a
Wicket-RAD form, this message appears.
the add call on the line referred to in the stacktrace is actually
the add()
method on Component, which should be there.
Yes, I looked this up in your code, but here I got stuck.
I attach my pom.xml; maybe it helps?
Thanks, Kaspar
--
project xmlns=http://maven.apache.org/POM/4.0.0; xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance
xsi:schemaLocation=http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd
modelVersion4.0.0/modelVersion
groupIdorg.myorg.myproject.ui.web/groupId
artifactIdmyproject-web/artifactId
packagingwar/packaging
version1.0-SNAPSHOT/version
namemyproject/name
description/description
repositories
repository
idwicketrad/id
urlhttp://wicket-rad.sourceforge.net/repo/url
releases
enabledtrue/enabled
/releases
snapshots
enabledtrue/enabled
/snapshots
/repository
/repositories
organization
name.../name
url...
/url
/organization
dependencies
!-- WICKET DEPENDENCIES --
dependency
groupIdorg.apache.wicket/groupId
artifactIdwicket/artifactId
version${wicket.version}/version
/dependency
dependency
groupIdorg.apache.wicket/groupId
artifactIdwicket-extensions/artifactId
version${wicket.version}/version
!-- scopecompile/scope --
/dependency
dependency
groupIdorg.apache.wicket/groupId
artifactIdwicket-datetime/artifactId
version${wicket.version}/version
!-- scopecompile/scope --
/dependency
dependency
groupIdorg.wicketstuff/groupId
artifactIdwicket-contrib-tinymce/artifactId
version1.3-SNAPSHOT/version
/dependency
dependency
groupIdorg.wicketstuff/groupId
artifactIdwicketstuff-scriptaculous
/artifactId
version${wicket.version}/version
/dependency
dependency
groupIdorg.wicketstuff/groupId
artifactIdwicketstuff-prototype/artifactId
version${wicket.version}/version
/dependency
dependency
groupIdorg.wicketstuff.jquery/groupId
artifactIdwicketstuff-jquery/artifactId
version1.3-SNAPSHOT/version
/dependency
dependency
groupIdorg.wicketstuff/groupId
artifactIdwicketstuff-rome/artifactId
version1.3-SNAPSHOT/version
/dependency
!--
OPTIONAL dependency
groupIdorg.apache.wicket/groupId
artifactIdwicket-extensions/artifactId
version${wicket.version}/version /dependency
--
!-- LOGGING DEPENDENCIES - LOG4J --
dependency
groupIdorg.slf4j/groupId
artifactIdslf4j-log4j12/artifactId
version1.4.2/version
/dependency
dependency
groupIdlog4j/groupId
artifactIdlog4j/artifactId
version1.2.14/version
/dependency
!-- JUNIT DEPENDENCY FOR TESTING --
dependency
groupIdjunit/groupId
artifactIdjunit/artifactId
version3.8.2/version
scopetest/scope
/dependency
!-- Persistence --
dependency
groupIdorg.wicketrad.jpa/groupId
artifactIdwicket-rad-jpa/artifactId
Re: [wicket-rad] Problem creating form
On 19.02.2009, at 19:42, Kaspar Fischer wrote: On 19.02.2009, at 19:34, wfaler wrote: Hi, Wicket RAD is actually not officially part of Wicket, so the right forum is here: http://www.nabble.com/Wicket-RAD-f35257.html Sorry! I will post a next topic to that forum. However, looking at your code, what version of Wicket are you using, and is it really on the classpath? Wicket (1.4-SNAPSHOT) is running fine and I am using Panel.add() at several other places. Only when I navigate to a page containing a Wicket-RAD form, this message appears. the add call on the line referred to in the stacktrace is actually the add() method on Component, which should be there. Yes, I looked this up in your code, but here I got stuck. I have checked out Wicket-RAD trunk from SVN and installed it using 'mvn clean install'. (Looking at the file modification dates in my ~/.m2/repository/org/wicketrad/, the old jars do get overwritten.) But still the same problem. When I look at the pom.xml in a project created with the archetype http://code.google.com/p/wicketrad-archetype/ , I see that there is only a dependency on wicket-rad (and none on wicket itself). Could it be that wicket-rad depends on a fixed version of Wicket? Does it work with Wicket 1.4-SNAPSHOT? Many thanks for any pointers, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Do wicket:message keys depend on markup hierarchy?
IIUC, Wicket offers a way to override message keys of components. Consider for instance a page with the following markup !-- Page.html contains: -- div wicket:id=a div wicket:id=b with corresponding Java code // in Page constructor add(new MyPanel(a)); add(new MyPanel(b)); If MyPanel.html contains wicket:panel div wicket:id=somediv wicket:message key=msg/ /div /wicket:panel Then I can override the msg in my Page.properties using a.somediv.msg=msg a b.somediv.msg=msg b However, if the library designer of MyPanel changes the markup to for instance wicket:panel wicket:message key=msg/ div wicket:id=somediv /div /wicket:panel then I, the user of library MyPanel, am forced to change a.somediv.msg to a.msg, etc. Is there a way around this (without adding code for the wicket:message's)? Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Do wicket:message keys depend on markup hierarchy?
Thanks, Nino, for the clarifications. On 18.02.2009, at 18:10, Nino Martinez wrote: No. Just bundle the default with panel... You could create your own resource loader but seems overkill... Why do you want it working differently? I am looking for a different way because I want to make the life easier for the users of my components: You could consider somediv to be an implementation detail of the component, something that the designer of the component might want to change later on (as I did in my example). -- If he does, it will, however, require the users of the component to change their properties files. This happened to me without me realising it until a user informed me that the description of a field has suddenly changed from a very useful explanation to Enter some text (the default message)... You could also do it with resource models and labels.. etc the java way... Okay, I see. -- I know this issue is not so important. Still, Wicket is such a pleasure to work with as far as coding reusable components is concerned, that it would be cool to have an easy way to export overridable keys which relieves me from adding lots of models that clutter my code. Maybe a wicket:export-message key=msg binding=somediv.msg/ or an annotation? Well, just ideas... -- I guess the bottomline for me is that I should not use wicket:message if I need complete freedom inside my component. Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
[OT] Simple file repository?
User's of my application will upload, edit, and delete files. For this, I'd like to have a simple file repository with the following features: - Files are stored on the file system. - Files are distributed over several folders (to avoid a single folder with 10,000 files, say). - Support for transactions Does anybody know of a simple Java library that satisfies these requirements? For example: a Hibernate database with a relation Files holding tuples (DocId, FilePath), and a service with: - id store(stream): creates from the stream a new file on the file system and inserts a new tuple into the relation, returns id - stream edit(id): returns a stream to a temporary copy of the file with the given id; updates the corresponding tuple to point to the temp file - void remove(id): removes the corresponding tuple form the relation ... and a background job which deletes dangling files. Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: [OT] Simple file repository?
On 15.02.2009, at 17:57, Martin Makundi wrote: Why not store files into database as bytearray / blob? In my case, these are movies and I'll have to run ffmpeg on them to convert them to appropriate formats. For this, it is more convenient to have them on the file system. Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: [OT] Simple file repository?
On 15.02.2009, at 18:00, francesco dicarlo wrote: Alfresco. And you have also lucene indexing. Just deploy the repository and upload files via webservice... That is certainly an option: Alfresco even offers Content Transformers; writing one to convert the movies would be easy. Anything more lightweight? Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
[OT] Java hosting USB stick deployment
I am in the midst of deciding on the technology to use for an application that must be (i) cheap to host and (ii) must be deployable on USB sticks (Windows/Mac), for use in ad hoc networks. Options include Wicket/Hibernate/Spring or a PHP framework like Drupal, in some web container like e.g. Resin, XAMPP/MAMP, etc. Does anybody on the list know of very cheap Java hosting possibilities? I image most of us on the list are working in the enterprise sector but maybe somebody knows of a good deal? (There was once a rumor that Google would offer something, http://www.oreillynet.com/onjava/blog/2008/05/podraziks_prediction_java_next.html , any guesses on this?) I am also interested in whether people from the list have made experiences with running Wicket on USB sticks? Thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Turn off form validation
On 19.12.2008, at 13:45, Martijn Dashorst wrote: Adding a new record to a list should not trigger model updates. It should just add the thing and repaint the container with the added item. If you use a (ajax)submit(link|button) you can setDefaultFormProcessing(false) on the button/link and wicket will not validate nor update model values, but keep the input of the user so it can be validated at actual form submission. Where can I get the input if I do setDefaultFormProcessing(false) when, as you say, model values or not updated? Validation is there to protect your domain objects from invalid data. Now you want to bypass this? I agree. I just do not know yet how to realize this in Wicket. Let me try to explain: I have a custom form component that allows the user to add and remove tags. In order to add a tag, the user enters the tag's name and clicks Add. Obviously, when she clicks Add, I do NOT want the WHOLE form to be validated, as Add is not the form's Submit, but just an intermediate step in the process of filling out the form. Still, I want to get the new tag name she entered -- and for this, I have to do setDefaultFormProcessing(true). Correct? Kaspar P.S. Noon, I think nested forms do not validate so I can't use them. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Turn off form validation
On 19.01.2009, at 14:25, Hoover, William wrote: http://cwiki.apache.org/WICKET/conditional-validation.html see alternative approach Thanks -- I was actually hoping for something simpler/more elegant?! - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: [OT] wicket users around the world
Switzerland, Basel, like Sébastien! On 11.12.2008, at 19:57, francisco treacy wrote: to know a little bit more of our great (and vast) community, i was just wondering if you're keen on sharing where you come from and/or where you work with wicket... for instance, here argentinian/belgian working with wicket in antibes, france francisco - 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
Turn off form validation
I have a custom component that allows the user to select one or more tags. For this, the component has a text field and an AjaxButton Add to add a tag. All works fine if I use the component in a form without validation errors. If, however, a text field has setRequired(true), the AjaxButton's onSubmit() method is not called (but onError() instead). In this case, I do not want this behaviour but want form validation to be disabled for the Add AjaxButton. (I still need to get the model values updated, though.) Is there an easy way to achieve this? I've read about conditional validation, http://cwiki.apache.org/WICKET/conditional-validation.html but as my component does not know about the enclosing form, I am looking for another solution. Many thanks, Kaspar - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
NoSuchMethodError isEnabledInHierarchy() with DatePicker
The 1.4-SNAPSHOT version DatePicker seems to have problem with isEnabledInHierarchy(). Does anybody know how to fix this? Thanks, Kaspar -- javax.servlet.ServletException: Filter execution threw an exception org .icarbasel .knowledgecenter .wicket.infrastructure.EncodingFilter.doFilter(EncodingFilter.java:37) root cause java.lang.NoSuchMethodError: org.apache.wicket.Component.isEnabledInHierarchy()Z org .apache .wicket.extensions.yui.calendar.DatePicker.isEnabled(DatePicker.java: 675) org.apache.wicket.Component.isBehaviorAccepted(Component.java: 3734) org.apache.wicket.Component.renderHead(Component.java:2649) org.apache.wicket.markup.html.internal.HtmlHeaderContainer $1.component(HtmlHeaderContainer.java:223) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 859) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 874) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 874) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 874) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 874) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 874) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 874) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 874) org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java: 899) org .apache .wicket .markup .html .internal .HtmlHeaderContainer.renderHeaderSections(HtmlHeaderContainer.java: 214) org .apache .wicket .markup .html .internal .HtmlHeaderContainer.onComponentTagBody(HtmlHeaderContainer.java:138) org.apache.wicket.Component.renderComponent(Component.java:2564) org.apache.wicket.MarkupContainer.onRender(MarkupContainer.java:1504) org.apache.wicket.Component.render(Component.java:2400) org.apache.wicket.MarkupContainer.autoAdd(MarkupContainer.java:232) org .apache .wicket .markup.resolver.HtmlHeaderResolver.resolve(HtmlHeaderResolver.java: 78) org.apache.wicket.MarkupContainer.renderNext(MarkupContainer.java: 1414) org.apache.wicket.MarkupContainer.renderAll(MarkupContainer.java: 1520) org.apache.wicket.Page.onRender(Page.java:1501) org.apache.wicket.Component.render(Component.java:2400) org.apache.wicket.Page.renderPage(Page.java:905) org .apache .wicket.protocol.http.WebRequestCycle.redirectTo(WebRequestCycle.java: 166) org .apache .wicket .request .target.component.PageRequestTarget.respond(PageRequestTarget.java:58) org .apache .wicket .request .AbstractRequestCycleProcessor .respond(AbstractRequestCycleProcessor.java:104) org .apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java: 1179) org.apache.wicket.RequestCycle.step(RequestCycle.java:1250) org.apache.wicket.RequestCycle.steps(RequestCycle.java:1351) org.apache.wicket.RequestCycle.request(RequestCycle.java:497) org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java: 444) org .apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java: 282) org .icarbasel .knowledgecenter .wicket .infrastructure .KnowledgeCenterFilter.doFilter(KnowledgeCenterFilter.java:51) org .icarbasel .knowledgecenter .wicket.infrastructure.EncodingFilter.doFilter(EncodingFilter.java:37) - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Need AjaxButton's but not its enclosing form's onSubmit() to be called
On 06.11.2008, at 09:06, Igor Vaynberg wrote: take your code out of form.onsubmit and put it into onsubmit of the button attached to input type=submit, if there isnt one then attach one. -igor Arrg... So simple. And I have been banging my head against this for an hour now. Thanks, Igor! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Need AjaxButton's but not its enclosing form's onSubmit() to be called
I have a form with an onSubmit(). The form contains a AjaxButton with another onSubmit(). When the later gets called, the former gets invoked, too. What I want, however, is that the form's onSubmit() gets called iff the input type=submit-button is clicked, and that the AjaxButton's onSubmit() is called iff the input type=button- button is pressed. How can I achieve this? I tried calling setDefaultFormProcessing(false) on my AjaxButton, but that does not update the form values (not what I want). I also tried form.setDefaultButton(null) or form.setDefaultButton(submit), which didn't help either. Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Threading problem
Thank you very much for this explanation, Igor. Very much appreciated. - Kaspar On 16.10.2008, at 18:14, Igor Vaynberg wrote: requests from a single session are serialized. but what if your page is stateless and you click the two links fast? each click spins off a request that now needs a session and because they run concurrently two sessions are created because this is the first request that needs a session. try doing this in your page's constructor: Session.get().bind(); this will force wicket to create a http session when the page renders and will avoid this kind of problem. -igor On Thu, Oct 16, 2008 at 9:02 AM, Kaspar Fischer [EMAIL PROTECTED]wrote: I run into a concurrency issue: My pages load fine when I visit them slowly, one after the other with a pause between clicks. However, if I click on two links on my page very, very fast, an exception gets thrown. My session factory outputs the number of the thread and the hash code of the session created (in chronological order): [89213] New [EMAIL PROTECTED] [11349856] New [EMAIL PROTECTED] And after that, thread 89213 throws an exception: Access in thread 89213 to data in session @43f1c from a different thread (11349856)! It seems that thread 89213 is accessing a session that was created *later*. How can something like this happen in Wicket when it handles requests (from a single session) sequentially? Any ideas? Thanks for any pointer, Kaspar - 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]
Threading problem
I run into a concurrency issue: My pages load fine when I visit them slowly, one after the other with a pause between clicks. However, if I click on two links on my page very, very fast, an exception gets thrown. My session factory outputs the number of the thread and the hash code of the session created (in chronological order): [89213] New [EMAIL PROTECTED] [11349856] New [EMAIL PROTECTED] And after that, thread 89213 throws an exception: Access in thread 89213 to data in session @43f1c from a different thread (11349856)! It seems that thread 89213 is accessing a session that was created *later*. How can something like this happen in Wicket when it handles requests (from a single session) sequentially? Any ideas? Thanks for any pointer, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[OT] Process modelling (with Wicket front-end)
Can anybody recommend a good process modelling tool that integrates with Wicket? We would like to use such a tool for many activities in our organziation: - We show processes to our end-users as part of our knowledge information centre website. So we need to present processes, interactively, if possible. The website (including the CMS front-end) runs on Wicket and ideally, we would like to edit the processes in a Wicket GUI, too. - We are starting to provide e-learning solutions and there, too, it might be helpful to structure a course with a process modeller. - We use processes internally for certain documents (in Alfresco CMS). I have slightly touched jBPM as it is used in Alfresco CMS, and I have watched the presentation http://docs.jboss.com/jbpm/v3/demos/movies/jbpm-overview.htm given at http://www.jboss.com/products/jbpm. Also, I have read a little about YAWL and heard of BPDM but as I lack experience with these tools/ models, I wonder: What state-of-the-art tools (in Java) are out there, and has anybody managed to get integration with Wicket? Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [XHTML validation] Rootless AbstractTree outputs empty table table .../table
I have filed a JIRA improvement ticket for this: https://issues.apache.org/jira/browse/WICKET-1856 Kaspar On 17.09.2008, at 11:12, Kaspar Fischer wrote: I have a rootless BaseTree and see it output table style=display:none id=tree1f_0/tabletable class=wicket-tree-content id=tree1f_1tr... which according to http://validator.w3.org is invalid strict XHTML. Looking at the comment in the code, AbstractTree.onRender(), it appears that the indention there is to output a div and not a table, which would validate: div style=display:none id=tree1f_0/divtable class=wicket- tree-content id=tree1f_1tr... Or was there a particular reason to fetch the tagName from the markupStream in the code, instead of just hardcoding it to div? Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[XHTML validation] Rootless AbstractTree outputs empty table table .../table
I have a rootless BaseTree and see it output table style=display:none id=tree1f_0/tabletable class=wicket-tree-content id=tree1f_1tr... which according to http://validator.w3.org is invalid strict XHTML. Looking at the comment in the code, AbstractTree.onRender(), it appears that the indention there is to output a div and not a table, which would validate: div style=display:none id=tree1f_0/divtable class=wicket- tree-content id=tree1f_1tr... Or was there a particular reason to fetch the tagName from the markupStream in the code, instead of just hardcoding it to div? Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AjaxFallbackImageButton
I am in need for an ImageButton with AJAX fallback capability. I have
created from AjaxFallbackButton
a component AjaxFallbackImageButton that bases itself not on Button
but on ImageButton. See below. So
far, this seems to work and maybe others want to use it, too.
Also: Have I overseen an easier way of accomplishing this? Wicket does
not currently come with
an AjaxFallbackImageButton, and maybe there's a reason for that ...?
Regards,
Kaspar
--
import org.apache.wicket.Resource;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.IAjaxCallDecorator;
import org.apache.wicket.ajax.form.AjaxFormSubmitBehavior;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.ImageButton;
import org.apache.wicket.model.IModel;
import org.apache.wicket.util.string.AppendingStringBuffer;
import org.apache.wicket.util.value.ValueMap;
/**
* An ajax submit image button that will degrade to a normal request
if ajax is not available or
* javascript is disabled.
*
* @author Jeremy Thomerson (jthomerson)
* @author Alastair Maw
*/
public abstract class AjaxFallbackImageButton extends ImageButton
{
private static final long serialVersionUID = 1L;
private Form? mForm;
/**
* Construct, see [EMAIL PROTECTED] ImageButton#ImageButton(String).
*
* @param id
* @param form
*/
public AjaxFallbackImageButton(String id, Form? form)
{
super(id);
initialize(form);
}
/**
* Construct, see [EMAIL PROTECTED] ImageButton#ImageButton(String,
ResourceReference)}.
*
* @param id
* @param resourceReference
* @param form
*/
public AjaxFallbackImageButton(String id, ResourceReference
resourceReference, Form? form)
{
super(id, resourceReference);
initialize(form);
}
/**
* Construct, see [EMAIL PROTECTED] ImageButton#ImageButton(String,
ResourceReference, ValueMap)}.
*
* @param id
* @param resourceReference
* @param resourceParameters
* @param form
*/
public AjaxFallbackImageButton(String id, ResourceReference
resourceReference, ValueMap resourceParameters,
Form? form)
{
super(id, resourceReference);
initialize(form);
}
/**
* Construct, see [EMAIL PROTECTED] ImageButton#ImageButton(String, Resource).
*
* @param id
* @param resource
* @param form
*/
public AjaxFallbackImageButton(String id, Resource resource, Form?
form)
{
super(id, resource);
initialize(form);
}
/**
* Construct, see [EMAIL PROTECTED] ImageButton#ImageButton(String, IModel)}.
*
* @param id
* @param model
* @param form
*/
public AjaxFallbackImageButton(String id, IModelString model,
Form? form)
{
super(id, model);
initialize(form);
}
/**
* Construct, see [EMAIL PROTECTED] ImageButton#ImageButton(String, String)}.
*
* @param id
* @param resourceReference
* @param resourceParameters
* @param form
*/
public AjaxFallbackImageButton(String id, String string, Form?
form)
{
super(id, string);
initialize(form);
}
private void initialize(Form? form)
{
mForm = form;
add(new AjaxFormSubmitBehavior(form, onclick)
{
private static final long serialVersionUID = 1L;
@Override
protected void onSubmit(AjaxRequestTarget target)
{
AjaxFallbackImageButton.this.onSubmit(target,
AjaxFallbackImageButton.this.getForm());
}
@Override
protected void onError(AjaxRequestTarget target)
{
AjaxFallbackImageButton.this.onError(target,
AjaxFallbackImageButton.this.getForm());
}
@Override
protected CharSequence getEventHandler()
{
return new
AppendingStringBuffer(super.getEventHandler()).append(; return
false;);
}
@Override
protected IAjaxCallDecorator getAjaxCallDecorator()
{
return AjaxFallbackImageButton.this.getAjaxCallDecorator();
}
});
}
/**
* Listener method invoked on form submit with errors
*
* @param target
* @param form
*
* TODO 1.3: Make abstract to be consistent with onsubmit()
*/
protected void onError(AjaxRequestTarget target, Form? form)
{
// created to override
}
/**
* @see
org.apache.wicket.markup.html.form.IFormSubmittingComponent#onSubmit()
*/
@Override
public final void onSubmit()
{
if (!(getRequestCycle().getRequestTarget() instanceof
AjaxRequestTarget))
{
onSubmit(null, getForm());
}
}
/**
*
* @see org.apache.wicket.markup.html.form.Button#getForm()
*/
@Override
public Form? getForm()
{
return mForm == null ? super.getForm() : mForm;
}
/**
* Callback for the onClick event. If ajax failed and this event
was generated via a normal
* submission, the target argument will be null
*
* @param target
* ajax target if this linked was invoked using
Re: Wicket 1.3.4 + SWFObject
On 11.09.2008, at 13:59, Piller Sébastien wrote: Hello, this time I haven't any dummy question :) I've developped a wicket panel to display a *.swf file with a autoinstall feature of the flash player, using SWFObject, and I'm ready to share it with the community. Are you interested? Hi Sébastien! I am interested! Could you post the code/markup? Thanks a lot for sharing, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Assert that all models are detached at the end of the request?
For the sake of completeness, here is the solution I am currently
using. It uses,
as suggested by Martijn, a custom request cycle and a modified version
of
SerializableChecker. You have to install the custom request cycle in
your application
using
@Override
public RequestCycle newRequestCycle(Request request, Response
response)
{
return new CustomRequestCycle(this, (WebRequest) request,
(WebResponse) response);
}
Hope this helps others, too!
Kaspar
// * FILE: CustomRequestCycle.java *
import java.io.NotSerializableException;
import org.apache.wicket.Page;
import org.apache.wicket.Response;
import org.apache.wicket.protocol.http.WebApplication;
import org.apache.wicket.protocol.http.WebRequest;
import org.apache.wicket.protocol.http.WebRequestCycle;
import org.apache.wicket.request.target.component.IPageRequestTarget;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A custom request cycle that checks, when in development mode, that
all models of a page are
* detached. Currently, only model that are instances of
LoadableDetachableModel (including
* subclasses) are checked.
*/
public class CustomRequestCycle extends WebRequestCycle
{
/** Logging object */
private static final Logger log =
LoggerFactory.getLogger(WebRequestCycle.class);
public CustomRequestCycle(WebApplication application, WebRequest
request, Response response)
{
super(application, request, response);
}
@Override
protected void onEndRequest()
{
super.onEndRequest();
if
(WebApplication
.DEVELOPMENT
.equalsIgnoreCase(WebApplication.get().getConfigurationType()))
{
Page requestPage = getRequest().getPage();
testDetachedObjects(requestPage);
if (getRequestTarget() instanceof IPageRequestTarget)
{
Page responsePage = ((IPageRequestTarget)
getRequestTarget()).getPage();
if (responsePage != requestPage)
{
testDetachedObjects(responsePage);
}
}
}
}
private void testDetachedObjects(final Page page)
{
if (page == null)
{
return;
}
try
{
NotSerializableException exception = new
NotSerializableException(
Model is not detached when attempting to serialize!);
DetachedChecker checker = new DetachedChecker(exception);
checker.writeObject(page);
}
catch (Exception ex)
{
log.error(Couldn't test/serialize the Page: + page + ,
error: + ex);
}
}
}
// * FILE: DetachedChecker.java *
import java.io.Externalizable;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamClass;
import java.io.ObjectStreamField;
import java.io.OutputStream;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.Date;
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import org.apache.wicket.Component;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.util.lang.Generics;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This is taken from Wicket SerializableChecker.java (SVN r687197)
and customized slightly
* (see comments containing KF). See the latter file for all
details, including terms of
* use. Notice that this does not replace SerializableChecker; the
latter is still run.
*/
public final class DetachedChecker extends ObjectOutputStream
{
/**
* Exception that is thrown when a non-serializable object was found.
*/
public static final class WicketNotSerializableException extends
WicketRuntimeException
{
private static final long serialVersionUID = 1L;
WicketNotSerializableException(String message, Throwable cause)
{
super(message, cause);
}
}
/**
* Does absolutely nothing.
*/
private static class NoopOutputStream extends OutputStream
{
@Override
public void close()
{
}
@Override
public void flush()
{
}
@Override
public void write(byte[] b)
{
}
@Override
public void write(byte[] b, int i, int l)
{
}
@Override
public void write(int b)
{
}
}
private static abstract class ObjectOutputAdaptor implements
ObjectOutput
{
public void close() throws IOException
{
}
public void flush() throws IOException
{
}
public void write(byte[] b) throws IOException
{
}
public void write(byte[] b, int off, int len) throws IOException
{
}
public void write(int b) throws IOException
{
}
public void writeBoolean(boolean v) throws IOException
{
}
public void writeByte(int v) throws IOException
Re: Assert that all models are detached at the end of the request?
Matijn, thank you for your hint.
I searched on your blog, http://martijndashorst.com/blog/, and Eelco's,
http://day-to-day-stuff.blogspot.com/, but must have searched for the
wrong
thing (transient, entity, SerializableChecker)...
Anyways, I'd like to do what you suggest, but have a few question:
I guess I have to provide my own implementation of
IObjectStreamFactory in
order to force my subclass of SerializableChecker to run (in development
mode). For this, do I subclass
IObjectStreamFactory.DefaultObjectStreamFactory
or WicketObjectStreamFactory?
Where would I install this custom IObjectStreamFactory?
As to SerializableChecker itself, I think my version simply has to
look for
models in
private void check(Object obj)
{
if (obj == null)
{
return;
}
Class? cls = obj.getClass();
nameStack.add(simpleName);
traceStack.add(new TraceSlot(obj, fieldDescription));
if (!(obj instanceof Serializable) (!Proxy.isProxyClass(cls)))
{
throw new WicketNotSerializableException(
toPrettyPrintedStack(obj.getClass().getName()), exception);
}
// NEW
if (obj instanceof LoadableDetachableModel) {
LoadableDetachableModel m = (LoadableDetachableModel)m;
if (m.isAttached())
{
throw new IllegalStateException(Model not detached!);
}
}
// ...
Regards,
Kaspar
On 29.08.2008, at 08:20, Martijn Dashorst wrote:
you could extend the serializerchecker to check for underached models.
We did something similar checking for non-transient Entity objects.
Iirc the code is either on my blog or Eelco's blog.
Martijn
On 8/28/08, Igor Vaynberg [EMAIL PROTECTED] wrote:
no, there is no easy way to assert that any model has been
detached,
because they do not keep a flag.
in 1.5 we will implement it so that all fields of a component that
implement idetachable are detached in the end of request via
reflection, so that should help somewhat.
-igor
On Thu, Aug 28, 2008 at 1:57 PM, Kaspar Fischer
[EMAIL PROTECTED]
wrote:
Is there an easy way to assert that all models are detached at the
end of
the
request?
It does not look so easy to check this as models do not have
common base
class
where one could register them for a check...
I often use an additional model in a component and store it as a
member
field;
if I forgot to detach() this model in the onDetach() handler, I
would have
a
dangling model. That caused me quite some trouble once and I
want to
avoid
it in the future.
Thanks,
Kaspar
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--
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Apache Wicket 1.3.4 is released
Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.3.
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Re: Assert that all models are detached at the end of the request?
Many, many thanks for this! Very much appreciated. - Kaspar
On 29.08.2008, at 15:15, Martijn Dashorst wrote:
We just do it in CustomRequestCycle#onEndRequest():
@Override
protected void onEndRequest()
{
if (Application.get().isDevelopment())
{
// controleer of er hibernate objecten in de pagina vastgehouden
worden.
// eerst de pagina die het request heeft beantwoord
Page requestPage = getRequest().getPage();
testDetachedObjects(requestPage);
// als de response een Page heeft, dan deze controleren
op de
aanwezigheid van
// hibernate objecten.
if (getRequestTarget() instanceof IPageRequestTarget)
{
Page responsePage = ((IPageRequestTarget)
getRequestTarget()).getPage();
if (responsePage != requestPage)
{
testDetachedObjects(responsePage);
}
}
}
And:
private void testDetachedObjects(final Page page)
{
if (page == null)
{
return;
}
try
{
NotSerializableException exception = new
NotSerializableException();
EntityAndSerializableChecker checker = new
EntityAndSerializableChecker(exception);
checker.writeObject(page);
}
catch (Exception ex)
{
log.error(Couldn't test/serialize the Page: + page + , error:
+ ex);
}
}
--
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Apache Wicket 1.3.4 is released
Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.3.
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Assert that all models are detached at the end of the request?
Is there an easy way to assert that all models are detached at the end of the request? It does not look so easy to check this as models do not have common base class where one could register them for a check... I often use an additional model in a component and store it as a member field; if I forgot to detach() this model in the onDetach() handler, I would have a dangling model. That caused me quite some trouble once and I want to avoid it in the future. Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Image crop and resize component
Two questions: 1) Does anybody know of a Wicket component that allows the user to select an area of an image? For example: http://www.defusion.org.uk/code/javascript-image-cropper-ui-using-prototype-scriptaculous/ I am thinking of a component that takes the image and a rectangle as models and alters the rectangle. 2) What Java library would you recommend to extract from the image the selected subarea? Is there even something out there that uses a heuristic to choose between PNG and JPEG format to optimize the filesize and number of colors? Many thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Generate URL for a Resource depending on component state
Igor, thanks a lot for this hint! With it, I found a solution.
For others with similar problems: I create the following resource in
onBeginRender():
resource = new WebResource()
{
@Override
public IResourceStream getResourceStream()
{
IModelCollectionT model = (IModelCollectionT)
getDefaultModel();
CollectionT collection = model.getObject();
final String json = generateJson(collection.iterator());
return new StringResourceStream(json, text/x-json);
}
};
resource.setCacheable(false);
urlConstructor = RequestCycle.get().urlFor(MyPanel.this,
IResourceListener.INTERFACE); // (*)
(You cannot do this in the constructor, as it turns out, because
urlFor() calls
getPage() and this is not a good thing in the constructor -- the
component does
not have a page yet at this stage.)
In addition, I made my component implement IResourceListener with
public void onResourceRequested()
{
resource.onResourceRequested();
}
In this way, a request for the URL (*) will trigger the resource's
onResourceRequested() which in turn outputs the JSON for my JavaScript
component on the browser.
On 13.08.2008, at 00:18, Igor Vaynberg wrote:
see how Link does it, but essentially you call urlfor(component,
listenerinterface)
-igor
On Tue, Aug 12, 2008 at 1:46 PM, Kaspar Fischer
[EMAIL PROTECTED] wrote:
On 12.08.2008, at 12:42, Kaspar Fischer wrote:
How can I register a resource reference (or, what I actually want:
just
the
resource) with the component AND get a URL for it?
To rephrase my question and hopefully make it clearer: How can I
get a URL
for my component which outputs the current value of my component's
model
(in JSON, XML, or whatever)?
Any ideas?
I know this has come up before,
http://markmail.org/message/yewk64k7i452cjhd
but I could not find any answer...
Thanks,
Kaspar
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Re: IndicatingAjaxLink with BaseTree appends after /td
On 19.08.2008, at 12:03, Matej Knopp wrote: Hi, This is caused by the fact that component border is rendered after/before behaviors. We can't really change this for 1.3 because it could break existing applications. I have changed the rendering order in trunk (1.4) though. -Matej Great! Thanks a lot for looking into this. Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Wicketstuff snapshots
When/how often are the Wicketstuff snapshots generated? I am using dependency groupIdorg.wicketstuff/groupId artifactIdwicketstuff-scriptaculous/artifactId version1.4-SNAPSHOT/version /dependency in my pom.xml but get java.lang.NoSuchMethodError: org .wicketstuff .scriptaculous.dragdrop.SortableListView.getModelObject()Ljava/lang/ Object; although the latest SortableListView.java does not contain the text getModelObject(). I fear I lack some basic knowledge on Maven repos, so appologies if I am asking something obvious. Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Wicketstuff snapshots
On 19.08.2008, at 12:45, Martijn Dashorst wrote: On Tue, Aug 19, 2008 at 12:32 PM, Kaspar Fischer [EMAIL PROTECTED] wrote: When/how often are the Wicketstuff snapshots generated? I am using Everytime the source code changes for the project, or when Wicket is updated (depending on the configuration of the projects in Teamcity (http://wicketstuff.org/teamcity). Martijn I see. So this means something with the configuration is wrong (as the JAR is outdate, see my previous mail). Loggin into teamcity as guest, I see Problems with VCS connection: Failed for the root 'Wicket Stuff 1.4 repository' #3: Checking changes for checkout rule 'trunk/wicket-contrib-tinymce=trunk/wicket- contrib-tinymce' failed with erorr: org.tmatesoft.svn.core.SVNException: svn: PROPFIND request failed on '/ svnroot/wicket-stuff/trunk/wicket-contrib-tinymce/src/java/wicket/ contrib/tinymce/tiny_mce/langs/tw.js' svn: Network is unreachable and in addition a build error: [ERROR] BUILD ERROR [12:26:40]: [INFO] [12:26:40]: [INFO] Failed to resolve artifact. [12:26:40]: [12:26:40]: Missing: [12:26:40]: -- [12:26:40]: 1) org.wicketstuff:wicketstuff-prototype:jar:1.4-SNAPSHOT [12:26:40]: [12:26:40]: Try downloading the file manually from the project website. [12:26:40]: [12:26:40]: Then, install it using the command: [12:26:40]: mvn install:install-file -DgroupId=org.wicketstuff - DartifactId=wicketstuff-prototype -Dversion=1.4-SNAPSHOT - Dpackaging=jar -Dfile=/path/to/file [12:26:40]: [12:26:40]: Alternatively, if you host your own repository you can deploy the file there: [12:26:40]: mvn deploy:deploy-file -DgroupId=org.wicketstuff - DartifactId=wicketstuff-prototype -Dversion=1.4-SNAPSHOT - Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id] [12:26:40]: [12:26:40]: Path to dependency: [12:26:40]: 1) org.wicketstuff:wicketstuff-scriptaculous:jar:1.4- SNAPSHOT [12:26:40]: 2) org.wicketstuff:wicketstuff-prototype:jar:1.4-SNAPSHOT [12:26:40]: [12:26:40]: -- [12:26:40]: 1 required artifact is missing. [12:26:40]: [12:26:40]: for artifact: [12:26:40]: org.wicketstuff:wicketstuff-scriptaculous:jar:1.4-SNAPSHOT [12:26:40]: [12:26:40]: from the specified remote repositories: [12:26:40]: central (http://repo1.maven.org/maven2), [12:26:40]: wicket-stuff-repository (http://www.wicketstuff.org/maven/repository/ ) (I get the same build error if I download the SVN code and do a mvn install.) Can this be fixed in some way? Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Wicketstuff snapshots
I guess the first error (see below) is not relevant as other projects have it, too. Regarding the second error: Does anybody have an idea why wicketstuff- prototype makes the build fail? I can see wicketstuff-prototype in the SVN repo but it is not listed on http://wicketstuff.org/teamcity/overview.html -- is this normal? Being a Maven newbie, I am a lost here. Maybe the problem is that the scriptaculous-pom.xml lists the repo as repository idwicket-stuff-repository/id nameWicket-Stuff Repository/name urlhttp://www.wicketstuff.org/maven/repository//url /repository without a snapshots enabledtrue/enabled /snapshots ? Too many trees in this forest for me ;-) On 19.08.2008, at 13:30, Kaspar Fischer wrote: Loggin into teamcity as guest, I see Problems with VCS connection: Failed for the root 'Wicket Stuff 1.4 repository' #3: Checking changes for checkout rule 'trunk/wicket-contrib-tinymce=trunk/ wicket-contrib-tinymce' failed with erorr: org.tmatesoft.svn.core.SVNException: svn: PROPFIND request failed on '/svnroot/wicket-stuff/trunk/wicket-contrib-tinymce/src/java/wicket/ contrib/tinymce/tiny_mce/langs/tw.js' svn: Network is unreachable and in addition a build error: [ERROR] BUILD ERROR [12:26:40]: [INFO] [12:26:40]: [INFO] Failed to resolve artifact. [12:26:40]: [12:26:40]: Missing: [12:26:40]: -- [12:26:40]: 1) org.wicketstuff:wicketstuff-prototype:jar:1.4-SNAPSHOT [12:26:40]: [12:26:40]: Try downloading the file manually from the project website. [12:26:40]: [12:26:40]: Then, install it using the command: [12:26:40]: mvn install:install-file -DgroupId=org.wicketstuff - DartifactId=wicketstuff-prototype -Dversion=1.4-SNAPSHOT - Dpackaging=jar -Dfile=/path/to/file [12:26:40]: [12:26:40]: Alternatively, if you host your own repository you can deploy the file there: [12:26:40]: mvn deploy:deploy-file -DgroupId=org.wicketstuff - DartifactId=wicketstuff-prototype -Dversion=1.4-SNAPSHOT - Dpackaging=jar -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id] [12:26:40]: [12:26:40]: Path to dependency: [12:26:40]: 1) org.wicketstuff:wicketstuff-scriptaculous:jar:1.4- SNAPSHOT [12:26:40]: 2) org.wicketstuff:wicketstuff-prototype:jar:1.4-SNAPSHOT [12:26:40]: [12:26:40]: -- [12:26:40]: 1 required artifact is missing. [12:26:40]: [12:26:40]: for artifact: [12:26:40]: org.wicketstuff:wicketstuff-scriptaculous:jar:1.4-SNAPSHOT [12:26:40]: [12:26:40]: from the specified remote repositories: [12:26:40]: central (http://repo1.maven.org/maven2), [12:26:40]: wicket-stuff-repository (http://www.wicketstuff.org/maven/repository/ ) Is the first error the one - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
IndicatingAjaxLink with BaseTree appends after /td
I override BaseTree's newLink() to return an IndicatingAjaxLink:
@Override
public MarkupContainer newLink(String id, final ILinkCallback
callback)
{
return new IndicatingAjaxLink(id)
{
private static final long serialVersionUID = 1L;
@Override
public void onClick(AjaxRequestTarget target)
{
callback.onClick(target);
}
};
}
Strangely, this produces markup like this:
div id=tree1c7
table style=display:none id=tree1c7_0
/table
table class=wicket-tree-content id=tree1c7_1
tr
td class=half-line
a class=junction-open href=# id=junctionLink1c8
onclick=wicketShow('junctionLink1c8--ajax-indicator');var
wcall=wicketAjaxGet('../?wicket:interface=html:14:left-column:
1:item:tree:i:1:junctionLink::IBehaviorListener:0:1',function()
{;wicketHide('junctionLink1c8--ajax-
indicator');}.bind(this),function() { ;wicketHide('junctionLink1c8--
ajax-indicator');}.bind(this), function() {return Wicket.$
('junctionLink1c8') != null;}.bind(this));return !wcall;/a
/td
span style=display:none; class=wicket-ajax-indicator
id=junctionLink1c8--ajax-indicatorimg src=../resources/
org.apache.wicket.ajax.AbstractDefaultAjaxBehavior/indicator.gif
alt=//span
td
...
Notice that the indicater span output by IndicatingAjaxLink's
WicketAjaxIndicatorAppender
comes after the /td and not after the /a as I would have expected.
Is this a bug?
Thanks,
Kaspar
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Should AjaxEventBehaviour's not be removed?
I need a certain div to appear when the user mouse-overs an image.
For this, i added a behaviour to the image:
add(imageDiv.add(new AjaxEventBehavior(onmouseover)
{
@Override
protected void onEvent(AjaxRequestTarget target)
{
div.setVisible(true);
imageDiv.remove(this);
target.addComponent(div);
target.addComponent(imageDiv);
}
}));
So I remove the behaviour once the div has been shown.
If I mouse-over the image twice in a row very fast, I get a
java.lang.IllegalStateException: No behavior listener found with
behaviorId 0
I suppose that Wicket postpones the second request and when it is
exectured
later on, the behaviour has already been removed.
What is the best way to have a JS behaviour executed only once?
Thanks in advance,
Kaspar
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Re: Customize TinyMCE init settings
I am also interested in this.
In the meantime, as a hack, one can add custom settings by overriding
toJavaScript():
TinyMCESettings settings = new
TinyMCESettings(TinyMCESettings.Theme.advanced)
{
@Override
public String toJavaScript(boolean ajax)
{
StringBuilder s = new StringBuilder();
s.append(\n\tcontent_css: \/kc/editor.css\,);
s.append(super.toJavaScript(ajax));
return s.toString();
}
};
Regards,
Kaspar
On 20.04.2008, at 22:38, Michael Laccetti wrote:
I will take a peek into this to see what can be done.
Mike
-Original Message-
From: Zach Cox [mailto:[EMAIL PROTECTED]
Sent: April 20, 2008 3:19 PM
To: users@wicket.apache.org
Subject: Customize TinyMCE init settings
I'm using the wicket-contrib-tinymce package and need to configure
some of
the settings that go into the init JavaScript:
tinyMCE.init({
//settings from TinyMCESettings.toJavaScript are put here });
Specifically I need to set the content_css setting to get the same
styles in
the editor as on the rest of the site. Is there any way to
customize what
goes into that tinyMCE.init call? I can't see any way other than to
hack
TinyMCESettings to pieces.
Maybe a public void addInitSetting(String) method would be a good
addition
to TinyMCESettings? There are tons of configuration options
(http://wiki.moxiecode.com/index.php/TinyMCE:Configuration) and it
would be
nice to be able to easily set any of them.
Thanks,
Zach
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Generate URL for a Resource depending on component state
I have a component that loads on the browser via JavaScript JSON-data
from the server.
The data depends on the component's model and needs to be loaded from
a URL. My
approach so far was to create a subclass DataSource of
DynamicWebResource, and to do
in my component's constructor:
MyComponent(String id, Model model)
{
super(id, model);
final DataSource resource = new DataSource();
resourceReference = new ResourceReference(MyComponent.class,
something)
{
@Override
protected Resource newResource()
{
return resource;
}
};
}
private class DataSource extends DynamicWebResource
// uses MyComponent.this.getDefaultModel() to obtain data
...
However, this registers my component class (and not the instance) with
the resource
and all subsequently constructed components still point to the old
resource.
How can I register a resource reference (or, what I actually want:
just the
resource) with the component AND get a URL for it?
Thanks very much for any guidance.
Kaspar
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Re: Generate URL for a Resource depending on component state
On 12.08.2008, at 12:42, Kaspar Fischer wrote: How can I register a resource reference (or, what I actually want: just the resource) with the component AND get a URL for it? To rephrase my question and hopefully make it clearer: How can I get a URL for my component which outputs the current value of my component's model (in JSON, XML, or whatever)? Any ideas? I know this has come up before, http://markmail.org/message/yewk64k7i452cjhd but I could not find any answer... Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: help with css and image background
On 08.08.2008, at 22:21, oriana wrote: I need urgent one since help I have the page of begin and it don't want me to catch the styles of the leaf of styles. I besides that want to put an image of background in a table that on her the texts of autentication come and it neither leaves me. That does it be making wrong?? I am completely new in this and I don't have idea that sew me pass. If somebody could help me very grateful for that reason.:confused: I do not really understand the problem you are facing, so please excuse if my hint is general: Maybe reading a book on the subject helps? I can recommend Wicket in Action. It is very well written (easy English) and covers a broad range of topics -- maybe also the topic your problem lies in? http://www.manning.com/dashorst/ Regards, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Add markup to ListView's markup
On 06.08.2008, at 14:26, Kaspar Fischer wrote: On 06.08.2008, at 13:15, James Carman wrote: Why not make a new panel component that has a ListView and a label at the bottom? I ended up doing exactly this ... I need this component in many places, every time with different markup for between li and /li. Therefore I am interested in solutions that allow the user of the component to provide the markup (as users of ListView can do right now). ... and my panel provides an overridable method to allow subclasses to replace the markup between li and /li (by passing in a Fragment or so) in case they need it. Thanks for your help and clarifications, James. Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Add markup to ListView's markup
I try to code a subclass of ListView that adds some markup after
(i.e., at the
bottom of) the list. Markup like a buy all cheeses in this list-
link, for
example.
public abstract class NodeListView extends ListViewNode
{
public NodeListView(String id, IModelListSessionNode model,
boolean showFooter)
{
// ...
}
// ...
}
Ideally, I'd like users of this class to provide the markup, for
instance:
ul
li wicket:id=listwicket:container wicket:id=node//li
/ul
with code
add(new NodeListView(list, listModel, true)
{
@Override
protected void populateItem(ListItemSessionNode item)
{
item.add(new Label(node, /* ... */));
}
});
With this approach, is it possible to add markup from within
NodeListView?
Could a behaviour help (or overriding onRender() if it were not final)?
Another option would be to make NodeListView a Panel with associated
markup
and have clients of NodeListView pass in a fragment, which is a bit
unreadable:
wicket:container wicket:id=list /
wicket:fragment wicket:id=list-item
wicket:container wicket:id=node/
/wicket:fragment
with
add(new NodeListView(list, listModel, true,
new Fragment(NodeListView.ITEM_ID, list-item, this)));
Any ideas?
Thanks, Kaspar
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Re: Add markup to ListView's markup
On 06.08.2008, at 13:15, James Carman wrote:
Why not make a new panel component that has a ListView and a label at
the bottom?
I need this component in many places, every time with different markup
for
between li and /li. Therefore I am interested in solutions that
allow
the user of the component to provide the markup (as users of ListView
can
do right now).
On Wed, Aug 6, 2008 at 4:08 AM, Kaspar Fischer
[EMAIL PROTECTED] wrote:
I try to code a subclass of ListView that adds some markup after
(i.e., at
the
bottom of) the list. Markup like a buy all cheeses in this list-
link, for
example.
public abstract class NodeListView extends ListViewNode
{
public NodeListView(String id, IModelListSessionNode model,
boolean
showFooter)
{
// ...
}
// ...
}
Ideally, I'd like users of this class to provide the markup, for
instance:
ul
li wicket:id=listwicket:container wicket:id=node//li
/ul
with code
add(new NodeListView(list, listModel, true)
{
@Override
protected void populateItem(ListItemSessionNode item)
{
item.add(new Label(node, /* ... */));
}
});
With this approach, is it possible to add markup from within
NodeListView?
Could a behaviour help (or overriding onRender() if it were not
final)?
Another option would be to make NodeListView a Panel with
associated markup
and have clients of NodeListView pass in a fragment, which is a bit
unreadable:
wicket:container wicket:id=list /
wicket:fragment wicket:id=list-item
wicket:container wicket:id=node/
/wicket:fragment
with
add(new NodeListView(list, listModel, true,
new Fragment(NodeListView.ITEM_ID, list-item, this)));
Any ideas?
Thanks, Kaspar
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How to get the remote address (IP)
I try to obtain the client's remote address from the session: WebClientInfo info = (WebClientInfo) session.getClientInfo(); final String remoteAddress = info.getProperties().getRemoteAddress(); This results in 0:0:0:0:0:0:0:1%0. Any idea what might be wrong? Thanks a lot, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How to get the remote address (IP)
On 29.07.2008, at 12:53, Hoover, William wrote: did you try getRequestCycleSettings().setGatherExtendedBrowserInfo(true); in your WebApplication? William, thanks for your answer. I indeed did not set this in my application. But if I do, I still obtain the same result. However, isn't there a cheap way to obtain the client's IP? If possible, I'd like to avoid gathering extended browser info. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Prevent form from being onSubmit()'ed when button is called
My form as a onSubmit() implementation and, in addition, contains a button. If I hit the button, both the button and the form's onSubmit() is executed as expected. How can I prevent the form's onSubmit() from being executed? (I tried using a Link, but this bypasses the form processing completely, so setObject() is not called on my models -- which is not what I want.) Many thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
DefaultAbstractTree or BaseTree?
I've read at http://markmail.org/message/3247g6jj2kvclmaw?q=list:org.apache.wicket.users+DefaultAbstractTree that DefaultAbstractTree will be deprecated in the future. Is this still the plan? I am using it to get a tree with folder icons, which none of the core subclasses of BaseTree does directly. Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [Slightly OT] Country selection component with a nice GUI
Thanks a lot for the hint regarding openlayers! On 30.05.2008, at 20:43, Nino Saturnino Martinez Vazquez Wael wrote: I dont think it would be too horrible to whip up such a component with openlayers or gmap. Otherwise you could use image maps... Kaspar Fischer wrote: Does anybody know of a Wicket-driven country selection component with a nice visual interface? Something a little more fancy than a drop- down menu: for instance, a world-map where you can select a region in a first step and then select the country in a second step ... Regards, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- -Wicket for love Nino Martinez Wael Java Specialist @ Jayway DK http://www.jayway.dk +45 2936 7684 - 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]
Plural and singular messages
I frequently need to deal with singular and plural versions of
wicket:message's.
I would like to do something like:
add(new Label(links, new PluralStringResourceModel(link, this)
{
@Override
public boolean isPlural()
{
return /* some code like: */
model.getObject().getChildren().size() 1;
}
}));
and this will use link.plural if isPlural() returns true and link
otherwise.
Has anybody found an elegant solution for such situations?
P.S. Here is a working implementation (neither efficient nor elegant)
for
the above approach:
add(new Label(link, new StringResourceModel(link${plural},
this, new ModelSerializable()
{
@Override
public Serializable getObject()
{
return new Serializable()
{
public String getPlural()
{
return model.getObject().getChildren().size() 1 ?
.plural : ;
}
};
}
})));
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Re: Plural and singular messages
Thanks a lot, James.
I attach a simple class that makes it a little easier to work with
such messages.
On 13.06.2008, at 15:38, James Carman wrote:
The StringResourceModel uses MessageFormat patterns, so you could try
using a ChoiceFormat-based pattern. Try this out in a main method
somewhere to get an idea of what happens:
final String pattern = {0,choice,0#none|1#one|2#couple|2many};
System.out.println(MessageFormat.format(pattern, 0));
System.out.println(MessageFormat.format(pattern, 1));
System.out.println(MessageFormat.format(pattern, 2));
System.out.println(MessageFormat.format(pattern, 100));
On Fri, Jun 13, 2008 at 9:22 AM, Kaspar Fischer
[EMAIL PROTECTED] wrote:
I frequently need to deal with singular and plural versions of
wicket:message's.
I would like to do something like:
add(new Label(links, new PluralStringResourceModel(link, this)
{
@Override
public boolean isPlural()
{
return /* some code like: */
model.getObject().getChildren().size() 1;
}
}));
and this will use link.plural if isPlural() returns true and link
otherwise.
Has anybody found an elegant solution for such situations?
P.S. Here is a working implementation (neither efficient nor
elegant) for
the above approach:
add(new Label(link, new StringResourceModel(link${plural},
this, new ModelSerializable()
{
@Override
public Serializable getObject()
{
return new Serializable()
{
public String getPlural()
{
return model.getObject().getChildren().size() 1 ?
.plural
: ;
}
};
}
})));
/**
* A simple wrapper around StringResourceModel to facilitate working
with singular, plural, and
* similar messages.
* p
* In the simplest case, you have a property
ttwebsite=Website{0,choice,0#|1lt;s}/tt and
* create a label like this:
* codenew LabelString(website, new
StringResourceModelWithCount(website, this) { public int getCount()
{ return size; } })/code.
*
* @author hbf
*
*/
public abstract class StringResourceModelWithCount extends
StringResourceModel
{
/**
* See [EMAIL PROTECTED] StringResourceModel#StringResourceModel()}.
*
* @param resourceKey
* @param component
* @param model
*/
public StringResourceModelWithCount(String resourceKey, Component?
component, IModel? model)
{
// Construct
super(resourceKey, component, model, new Object[] { new
CountExecuter() });
// Initialize
((CountExecuter) getParameters()[0]).target = this;
}
/**
* Shorthand for codeStringResourceModelWithCount(resourceKey,
component, null)/code.
*
* @param resourceKey
* @param component
* @param model
*/
public StringResourceModelWithCount(String resourceKey, Component?
component)
{
this(resourceKey, component, null);
}
/**
* Subclasses should override this to return the number of items.
*
* @return
*/
public abstract int getCount();
/**
* Helper class needed to make the actual call to [EMAIL PROTECTED]
StringResourceModelWithCount#getCount()}.
* (It is needed because in StringResourceModelWithCount's call
codesuper(...)/code as we
* cannot reference the non-static method getCount() during
construction.)
*/
private static class CountExecuter extends ModelInteger
{
private StringResourceModelWithCount target;
@Override
public Integer getObject()
{
return target.getCount();
}
}
}
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Re: Plural and singular messages
On 13.06.2008, at 16:47, James Carman wrote:
I think you're doing a bit too much work here. StringResourceModel
allows you to pass in IModel objects as its parameters (check the
javadocs), so you could pass in an IModel that returns your size
parameter that is calculated at runtime.
If you mean that StringResourceModelWithCount is a little overkill,
then: yes, you are of course right; my class is nothing but syntactic
sugar. It makes the class's client code look a little more readable,
I feel.
Or did you mean the code in StringResourceModelWithCount itself?
public StringResourceModelWithCount(String resourceKey, Component?
component, IModel? model)
{
// Construct
super(resourceKey, component, model, new Object[] { new
ModelInteger() {
@Override
public Integer getObject()
{
return getCount();
}
}});
}
obviously does not work (method referenced at construction time).
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[Slightly OT] Country selection component with a nice GUI
Does anybody know of a Wicket-driven country selection component with a nice visual interface? Something a little more fancy than a drop- down menu: for instance, a world-map where you can select a region in a first step and then select the country in a second step ... Regards, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Busy indicator for AjaxFallbackDefaultDataTable
I am using a AjaxFallbackDefaultDataTable data table and would like the sort links to show an AJAX busy indicator next to the link itself when it gets clicked. How can I do this? If this turns out to be a little complicated, I'd also be happy with a single div somewhere on the page that gets shown during the request. Thanks! Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: How to set the initially selected value of a DropDownChoice?
Thanks for the helpful link, Martijn. For the sake of completeness,
here's
what I have ended up with:
ListString PagerSizesList = Arrays.asList(25, 50, 100);
ValueMap parameters = // ...
parameters.put(search-page-size, PagerSizesList.get(0));
form.setModel(new CompoundPropertyModel(parameters));
form.add(new DropDownChoice(search-page-size, PagerSizesList));
On 19.03.2008, at 23:29, Martijn Dashorst wrote:
Start by reading this: http://wicket.apache.org/exampledropdownchoice.html
On 3/19/08, Kaspar Fischer [EMAIL PROTECTED] wrote:
How can I set the default value of a required DropDownChoice that
should not have null values?
private static final ListString PagerSizesList =
Arrays.asList(25, 50, 100);
// in constructor...
DropDownChoice pagerSizer = new DropDownChoice(search-page-size,
PagerSizesList);
add(pagerSizer);
I've tried overriding my DropDownChoice's getDefaultChoice(),
@Override
protected CharSequence getDefaultChoice(final Object selected)
{
return option value=\\ + PagerSizesList.get(0) + /
option;
}
but this replaces the label of the null string, but does not remove
the null string itself.
Thanks and best wishes,
Kaspar
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Page store/session stats?
I fear this is a dumb question but I could not find any answer in the list archive: how can I see how many pages are stored in the page store and, more importantly, how large (KB) they are? I have implemented a search page that caches search results in a session object. I want to test this with respect to memory usage, to catch errors like mistakenly storing a reference to the potentially huge result set in the page instance ... Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
How to set the initially selected value of a DropDownChoice?
How can I set the default value of a required DropDownChoice that
should not have null values?
private static final ListString PagerSizesList =
Arrays.asList(25, 50, 100);
// in constructor...
DropDownChoice pagerSizer = new DropDownChoice(search-page-size,
PagerSizesList);
add(pagerSizer);
I've tried overriding my DropDownChoice's getDefaultChoice(),
@Override
protected CharSequence getDefaultChoice(final Object selected)
{
return option value=\\ + PagerSizesList.get(0) + /
option;
}
but this replaces the label of the null string, but does not remove
the null string itself.
Thanks and best wishes,
Kaspar
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DropDownChoice and setNullValid()
I am trying to get a DropDownChoice to select either a country or the option any country. searchOptions.add(new DropDownChoice(search-country, countries, countriesRenderer) .setNullValid(true).setRequired(false) // (*) ); With the second line (*) commented out, the drop-down menu initially shows any country Belgium ... Once I select Belgium and submit the form, the any country vanishes forever. That's the what I expect. ... but: with the line (*), I have the behaviour I need, but instead of any country I get an empty string: empty string Belgium ... Meaning, the DropDownChoice does not pick up anymore my entry search-country.null=any country from the .properties file. Any idea how I can get the any country? Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: DropDownChoice and setNullValid()
On 18.03.2008, at 16:47, Kai Mütz wrote: Try search-country.nullValid=any country Thanks, works like a charm! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [vote] Release 1.4 with only generics and stop support for 1.3
+1 Regards, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Support for option disabled=disabled
Is there an easy way to disable items in a DropDownChoice? I'd like to output something like this: option value=12 disabled=disabledItem/option Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Support for option disabled=disabled
Jonas, Gerolf, thanks a lot for your answers! I've just set up my build environment to use the latest wicket-extensions -- great! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Fallback support for ModalWindow
On 14.03.2008, at 18:04, Martijn Dashorst wrote: it can't. ModalWindow is a javascript component. JavaScript is necessary for displaying, hiding, positioning, closing, etc. the div that is the modal window. I see that it currently works like this. The fallback solution I was thinking of was: the link to open the model window renders a page which simply contains the windows as an overlayed div. (As you say, the link is therefore a regular link with some JavaScript on it.) Of course, as JS is unavailable, the user will not be able to drag/position it, but when he clicks close, the page is rendered again. Of course, if JS *is* available, AJAX would be used as it is done now. P.S. Having the ability to show the modal window without JS might be helpful for http://issues.apache.org/jira/browse/WICKET-12, too (?). - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [Newbie question] How to avoid empty boxes?
Another possibility:
/**
* A panel whose visibility is on iff at least one of its
subcomponents is visible.
*/
public class Envelope extends Panel
{
private static final long serialVersionUID = -6422145787799831814L;
public Envelope(String id)
{
super(id);
}
public Envelope(String id, IModel model)
{
super(id, model);
}
@Override
public boolean isVisible()
{
boolean visible = false;
for (IteratorComponent it = iterator(); it.hasNext();)
{
Component child = it.next();
if (child.isVisible())
visible = true;
}
return visible super.isVisible();
}
}
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Re: Fallback support for ModalWindow
On 15.03.2008, at 17:22, Martijn Dashorst wrote: According to me, when javascript is turned off, onclick is not fired. I agree. I'll try to be more precise: For instance, the link to open the modal window: if it were made a link with both href and an onClick then the href-link will be taken if JS is off. This href-link would be such that a page is shown that contains the modal window as a div on top of the other page content (no JS involved). On the other hand, if JS is on, the onClick is triggered and the div gets fetched and shown using JS. Wouldn't this work? I am just trying to give a constructive feedback on the current ModalWindow implementation where I feel that at least conceptually the modal window can be shown even without JavaScript. But obviously you know much more about the internal workings so apologies if my comments do not hit the mark. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Fallback support for ModalWindow
Anybody has an idea how the modal window can be made to work when JavaScript is disabled? On 11.03.2008, at 17:18, Kaspar Fischer wrote: I am using http://www.wicket-library.com/wicket-examples/ajax/modal-window to show a modal dialog holding a component. -- First of all, thanks to the author of this extension! It's great, took me only 2 minutes to set it up! One question I have is whether it is possible to make ModalWindow fall back to an ordinary link to the page showing the modal window if JavaScript is disabled. Does somebody know how to achieve this? Thanks, Kaspar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
