Re: [WIKI] Websites based on Wicket page presentation

2009-10-14 Thread Erik Post
I think it's great the wiki is being given some love; I'm going to
look at what's going on and contribute where I can, because I think
it's really really (really) important, especially for prospective/new
users. Thanks Ralf!

Cheers,
Erik

On Tue, Oct 13, 2009 at 10:29 PM, jWeekend jweekend_for...@cabouge.com wrote:
 I've been having some very brief communication with Ralf Eichinger who
 has been making a valuable contribution over the last few weeks by
 starting to improve documentation on the Wiki, especially with a view
 to help people evaluating Wicket get a fairer appreciation of it,
 who's using it and what they are doing with it.

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Re: Open source Wicket blog - Open Source CMS with Wicket

2009-10-14 Thread Erik Post
I added this and a couple of other projects to the wiki, since it
seems to come up all the time...

http://cwiki.apache.org/confluence/display/WICKET/Related+Projects+and+Tools

On Wed, Oct 14, 2009 at 5:01 PM, Jeremy Thomerson
jer...@wickettraining.com wrote:
 http://code.google.com/p/brix-cms/

 --
 Jeremy Thomerson
 http://www.wickettraining.com



 On Wed, Oct 14, 2009 at 9:54 AM, Bernhard Grünewaldt 
 bernh...@gruenewaldt.net wrote:

 Hello,

 It is very interesting to have a wicket blog,
 but for me even more interesting would be a cms based on wicket
 that integrates very smoothly into an existing wicket webapp.

 At the moment we use typo3 together with our java webapp.

 Would be nice to have a solution where everything is java
 and the same framework :)

 Is there such a thing?


 Bernhard

 Maarten Bosteels schrieb:

 I got some really cool ideas from the elephas code, but it seems the
 project
 has stalled a bit ?
 The last commit was 18 dec 2008

 Maarten

 On Wed, Oct 14, 2009 at 2:30 PM, ralf.eichin...@pixotec.de wrote:

  added elephas blogging system to Wiki:

 http://cwiki.apache.org/confluence/display/WICKET/Products+based+on+Wicket


 Quoting danisevsky danisev...@gmail.com:

  It would be nice, I am very interested.

 BTW there is another great open-source blogging system -
 http://code.google.com/p/elephas/

 2009/10/14 Anton Veretennikov anton.veretenni...@gmail.com

  I'm interested. This will be definitely something desirable for many

 website builders.
 I want to assist in developing because I need such functionality in
 several sites.

 -- Tony

 On Wed, Oct 14, 2009 at 2:30 PM, Daniel Frisk dan...@jalbum.net
 wrote:

 Hi,

 we have developed a blog tool in Wicket for our website. I just wanted

 to

 see if there is any interest in having that as an open source project?
 The code would have to be adopted for general use and be untangled
 from

 some

 dependencies that we don't want to open source, so I just want to
 check

 if

 there is any interest before doing the initial work. Not promising

 anything

 so don't start haunting me, but let me know if you are interested.

 Check it out at:
 http://jalbum.net/blog

 // Daniel
 jalbum.net

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Re: Open source Wicket blog - Open Source CMS with Wicket

2009-10-14 Thread Erik Post
Hi Ralph,

Right, I'd glossed over that. I have to say though that the
disctinction between the two lists seems a bit arbitrary to me. For
instance,  the 'Vocus student information system' and 'Finan' (which
are not available to the public) are on the 'products' list along with
Brix CMS, even though the former have little no value to developers
because they have no access to it. The latter on the other hand could
be considered to be a final product _or_ a springboard for custom
development or customization.The distinction between
components/tools/frameworks/end user products/sites is perhaps not
immediately evident, but I would peronally prefer a list of sites/apps
that showcase what you could do with Wicket, vs. a separate list of
stuff that developers can actually use in development. In that sense
Brix and, say, Wicketopia are more closely related, wouldn't you
agree?

Cheers,
Erik


On Wed, Oct 14, 2009 at 10:46 PM,  ralf.eichin...@pixotec.de wrote:
 Hi Erik,

 this was already on this list:
 http://cwiki.apache.org/confluence/display/WICKET/Products+based+on+Wicket

 As it is a product and not a tool...
 it is a project, but not one that is a extension to wicket...

 ok, I understand that everyone thinks different about the lists

 Quoting Erik Post eriksen...@gmail.com:

 I added this and a couple of other projects to the wiki, since it
 seems to come up all the time...


 http://cwiki.apache.org/confluence/display/WICKET/Related+Projects+and+Tools

 On Wed, Oct 14, 2009 at 5:01 PM, Jeremy Thomerson
 jer...@wickettraining.com wrote:

 http://code.google.com/p/brix-cms/

 --
 Jeremy Thomerson
 http://www.wickettraining.com



 On Wed, Oct 14, 2009 at 9:54 AM, Bernhard Grünewaldt 
 bernh...@gruenewaldt.net wrote:

 Hello,

 It is very interesting to have a wicket blog,
 but for me even more interesting would be a cms based on wicket
 that integrates very smoothly into an existing wicket webapp.

 At the moment we use typo3 together with our java webapp.

 Would be nice to have a solution where everything is java
 and the same framework :)

 Is there such a thing?


 Bernhard

 Maarten Bosteels schrieb:

 I got some really cool ideas from the elephas code, but it seems the
 project
 has stalled a bit ?
 The last commit was 18 dec 2008

 Maarten

 On Wed, Oct 14, 2009 at 2:30 PM, ralf.eichin...@pixotec.de wrote:

  added elephas blogging system to Wiki:


 http://cwiki.apache.org/confluence/display/WICKET/Products+based+on+Wicket


 Quoting danisevsky danisev...@gmail.com:

  It would be nice, I am very interested.

 BTW there is another great open-source blogging system -
 http://code.google.com/p/elephas/

 2009/10/14 Anton Veretennikov anton.veretenni...@gmail.com

  I'm interested. This will be definitely something desirable for many

 website builders.
 I want to assist in developing because I need such functionality in
 several sites.

 -- Tony

 On Wed, Oct 14, 2009 at 2:30 PM, Daniel Frisk dan...@jalbum.net
 wrote:

 Hi,

 we have developed a blog tool in Wicket for our website. I just
 wanted

 to

 see if there is any interest in having that as an open source
 project?
 The code would have to be adopted for general use and be untangled
 from

 some

 dependencies that we don't want to open source, so I just want to
 check

 if

 there is any interest before doing the initial work. Not promising

 anything

 so don't start haunting me, but let me know if you are interested.

 Check it out at:
 http://jalbum.net/blog

 // Daniel
 jalbum.net


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Could someone please give me access to the wicketstuff wiki front page?

2009-10-13 Thread Erik Post
Hi all,

I created a page on the wicketstuff wiki for Inmethod's data grid
yesterday. [1] Could someone give me the appropriate permissions to
link it on wicketstuff's front page? Alternatively, someone with
access could perhaps do it himself...

Thanks,
Erik


[1] http://wicketstuff.org/confluence/display/STUFFWIKI/Inmethod+Grid

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Re: inmethod datagrid and wicket 1.4 and generics

2009-10-12 Thread Erik Post
Hi Stefan,

It's compatible, I'm using it myself:

dependency
groupIdorg.wicketstuff/groupId
artifactIdinmethod-grid/artifactId
version1.4-SNAPSHOT/version
/dependency

repositories
repository
idwicket-snaps/id
urlhttp://wicketstuff.org/maven/repository/url
snapshots
enabledtrue/enabled
/snapshots
releases
enabledtrue/enabled
/releases
/repository


Cheers,
Erik

On Mon, Oct 12, 2009 at 3:35 PM, Stefan Lindner lind...@visionet.de wrote:
 I found inmethod datagrid at
 http://wicketstuff.org/maven/repository/com/inmethod/grid-examples/ but
 no hint or link to it on the wiki page
 http://wicketstuff.org/confluence/display/STUFFWIKI/Wiki.

 The project remained in 1.0 state since the end of last year. Is it
 compatible with wicket 1.4? Is it still under development? Does it
 support generics now?

 Does anybody use it togehter with wicket 1.4?

 Stefan

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Re: inmethod datagrid and wicket 1.4 and generics

2009-10-12 Thread Erik Post
I created a draft wiki page, could someone please modify it as needed
and add it to the wicketstuff wiki front page? Btw, Linda, your
company seems to be across the street from me! That's pretty amazing
for a town like this...

Cheers,
Erik

http://wicketstuff.org/confluence/display/STUFFWIKI/Inmethod+Grid

On Mon, Oct 12, 2009 at 3:53 PM, Linda van der Pal
lvd...@heritageagenturen.nl wrote:
 I'm certain there is a 1.4 version, as I have it downloaded. Try using this
 URL to get it from SVN:

 https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/releases/wicketstuff-core-1.4-rc7/inmethod-grid-parent

 Regards,
 Linda

 Stefan Lindner wrote:

 I found inmethod datagrid at
 http://wicketstuff.org/maven/repository/com/inmethod/grid-examples/ but
 no hint or link to it on the wiki page
 http://wicketstuff.org/confluence/display/STUFFWIKI/Wiki.

 The project remained in 1.0 state since the end of last year. Is it
 compatible with wicket 1.4? Is it still under development? Does it
 support generics now?

 Does anybody use it togehter with wicket 1.4?

 Stefan

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Re: Two inmethod datagrid questions

2009-10-12 Thread Erik Post
On Mon, Oct 12, 2009 at 10:24 PM, Stefan Lindner lind...@visionet.de wrote:
 I play around with the DefaultDataGrid component and I have two questions:

 1. Is it possible to register for a column resized event? This would give 
 us the ability to remember the user's favorite column widths.
 2. Is it possible to hide the navigation footer? Yes, I can do it via css but 
 if I don't need a footer why should there be an invisible one.

and...

3) Could someone perhaps link the grid wiki page I created this
afternoon [1] on the wicketstuff front page? I don't have the required
permissions. The url is:
http://wicketstuff.org/confluence/display/STUFFWIKI/Inmethod+Grid --
many thanks!

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Re: Leg Up for Wicket, Spring, Guice, JPA, Warp, EclipseLink, Hibernate ... projects

2009-10-06 Thread Erik Post
Hey, that's great! Is there any way to contribute to this?

Thumbs up,
Erik

 2009/10/6 jWeekend jweekend_for...@cabouge.com

 We have launched jWeekend's Leg Up page [1].

 You can generate a command and run it at your console to create a simple
 project using one of our archetypes. The projects you will generate will
 include enough configuration, code and/or some tests to get you started,
 quickly. Our archetypes currently support various combinations of Spring,
 Guice, WarpPersist, JPA (with one or more implementation from EclipseLink,
 Hibernate, OpenJPA) and Wicket.

 Let us know if this is useful and if you'd like to see more combinations.
 Also feel free to raise any issues [2].

 Regards - Cemal
 jWeekend
 OO  Java Technologies, Wicket Training and Development
 http://jWeekend.com

 [1] http://jweekend.com/dev/LegUp
 [2] http://code.google.com/p/legup/issues/list

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Re: How do you achieve persistency

2009-10-06 Thread Erik Post
On Tue, Oct 6, 2009 at 5:42 PM, James Carman
jcar...@carmanconsulting.com wrote:
 On Tue, Oct 6, 2009 at 11:05 AM, James Perry
 james.austin.pe...@gmail.com wrote:
 On a more serious note then perhaps just using raw JDBC if you are unsure of
 ORM concepts.


 Isn't that kind of like saying I suggest you walk everywhere you want
 to go if you're unfamiliar with how to drive a car?

That's fairly sound advice though, isn't it? And may I add may own two
cents in suggesting iBatis if you prefer SQL to things like JPA or
Hibernate?

Cheers,
Erik

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Re: Leg Up for Wicket, Spring, Guice, JPA, Warp, EclipseLink, Hibernate ... projects

2009-10-06 Thread Erik Post
Hi Cemal,

On Tue, Oct 6, 2009 at 5:05 PM, jWeekend jweekend_for...@cabouge.com wrote:

 Thanks. We'll review that soon - it  is our intention but we need to be
 ready to take care of the project. Just for the moment, we'll take on ideas
 for new archetypes, and feel free to contact me via our site if you have
 some particular ideas and need stuff included quickly.

Great! I would like to suggest an EJB archetype. EJB seems to be
fairly impopular amongst Wicket people, but what with the upcoming
changes  to EJB (version 3.1, no XML, a Lite' web profile) and Spring
(3.0, proprietaryish goings-on) I think EJB's are looking
comparatively sweet.

By the way, it would be pretty cool to reference your page from the
Wicket quickstart page, wouldn't it? Things are pretty scattered atm
and I think this makes Wicket needlessly hard to get into.

 Ideas for further project templates include Scala and Java

I'm experimenting with this atm from an adapted version of Wicketopia,
and yeah, it would have been great to have had an archetype for this
;)

Cheers,
Erik

 Erik Post-5 wrote:

 Hey, that's great! Is there any way to contribute to this?

 Thumbs up,
 Erik

 2009/10/6 jWeekend jweekend_for...@cabouge.com

 We have launched jWeekend's Leg Up page [1].

 You can generate a command and run it at your console to create a simple
 project using one of our archetypes. The projects you will generate will
 include enough configuration, code and/or some tests to get you started,
 quickly. Our archetypes currently support various combinations of Spring,
 Guice, WarpPersist, JPA (with one or more implementation from
 EclipseLink,
 Hibernate, OpenJPA) and Wicket.

 Let us know if this is useful and if you'd like to see more combinations.
 Also feel free to raise any issues [2].

 Regards - Cemal
 jWeekend
 OO  Java Technologies, Wicket Training and Development
 http://jWeekend.com

 [1] http://jweekend.com/dev/LegUp
 [2] http://code.google.com/p/legup/issues/list

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 --
 View this message in context: 
 http://www.nabble.com/Leg-Up-for-Wicket%2C-Spring%2C-Guice%2C-JPA%2C-Warp%2C-EclipseLink%2C-Hibernate-...-projects-tp25769134p25770548.html
 Sent from the Wicket - User mailing list archive at Nabble.com.


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Re: How do you achieve persistency

2009-10-06 Thread Erik Post
On Tue, Oct 6, 2009 at 5:55 PM, James Carman
jcar...@carmanconsulting.com wrote:
 On Tue, Oct 6, 2009 at 11:50 AM, Erik Post eriksen...@gmail.com wrote:

 That's fairly sound advice though, isn't it? And may I add may own two
 cents in suggesting iBatis if you prefer SQL to things like JPA or
 Hibernate?

 I don't know if I'd call it sound advice.  Sure, walking can give you
 exercise (I need to walk a bit more myself), but taking the time to
 learn to drive a car would sure save you a LOT of time (especially in
 the US) in the long run.

Ah, that must be why I'm so slow and skinn... err streamlined! Anyway,
it's not /necessarily/ true that using an ORM like JPA/iBatis will
save you time; hence the iBatis pointer. I think it often gets
overlooked...

Cheers,
Erik

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Re: Leg Up for Wicket, Spring, Guice, JPA, Warp, EclipseLink, Hibernate ... projects

2009-10-06 Thread Erik Post
Hi Jeffrey,

I have *absolutely* no idea if this will help you, but I had the same
with Spring. It started working when i put the injection annotation on
the method instead of on the variable.

Good luck,
Erik

On Tue, Oct 6, 2009 at 7:59 PM, Jeffrey Schneller
jeffrey.schnel...@envisa.com wrote:
 I took the archetype for Guice, Warp, Hibernate and modified for my
 application.  All my code looks similar to the code from the archetype.
 The only difference is I am not using the AnnotatinConfiguration but
 just the plain Configuration.  I am also using c3po connection pooling
 with Oracle.

 However, I am still not able to inject the Hibernate Session into my DAO
 objects.  Any ideas?  I don't see any exceptions being thrown.

       �...@inject
        ProviderSession session;

       �...@transactional(type=TransactionType.READ_ONLY)
        public ListT findAll() {
                Criteria criteria =
 session.get().createCriteria(persistentClass);
                return criteria.list();
        }


 The session in the findAll method is always coming back as null.

 What am I doing wrong?  It doesn't seem to be that difficult to
 implement.


 Thanks.



 -Original Message-
 From: jWeekend [mailto:jweekend_for...@cabouge.com]
 Sent: Tuesday, October 06, 2009 9:48 AM
 To: users@wicket.apache.org
 Subject: Leg Up for Wicket, Spring, Guice, JPA, Warp, EclipseLink,
 Hibernate ... projects

 We have launched jWeekend's Leg Up page [1].

 You can generate a command and run it at your console to create a simple
 project using one of our archetypes. The projects you will generate will
 include enough configuration, code and/or some tests to get you started,
 quickly. Our archetypes currently support various combinations of
 Spring, Guice, WarpPersist, JPA (with one or more implementation from
 EclipseLink, Hibernate, OpenJPA) and Wicket.

 Let us know if this is useful and if you'd like to see more
 combinations. Also feel free to raise any issues [2].

 Regards - Cemal
 jWeekend
 OO  Java Technologies, Wicket Training and Development
 http://jWeekend.com

 [1] http://jweekend.com/dev/LegUp
 [2] http://code.google.com/p/legup/issues/list


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Re: Stateless Applications and Wicket

2009-09-23 Thread Erik Post
Interesting point! I'm also wondering if this is somehow feasible...

On Wed, Sep 23, 2009 at 1:01 AM, Ricardo Mayerhofer
ricardo.ekm.lis...@gmail.com wrote:
 It would be very nice to see better support for stateless applications in
 wicket. Some topics that come to my mind right now are:
 - Ajax,
 - PagingNavigator,
 - Dropdown onSelectionChange. It works fine if I overide getStatelessHint to
 return true and there is no enclosing form. If there is a ancolsing form the
 following message appears: Attempt to access unknown request listener
 interface IOnChangeListener. Pehaps it could get fixed, and stateless hint
 always returns true for this one. May I open a Jira issue for this?

 I know that many have said that if you are building this kind of application
 perhaps wicket is not for you. But IMO even considering that wicket was not
 initially built with this kind of problem in mind, he is better in this
 field than many frameworks out there. That's why we've choosen wicket to
 develop a high traffic stateless website, and he's doing well, except for
 some issues during development, like the points listed above. We are now
 using jquery as a complement to wicket, but surely it would be much easier
 if we could count on wicket ajax for example.

 Ricardo

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Re: Starting with Wicket, Spring, Maven and JDBC

2009-09-23 Thread Erik Post
Well, besides iolite, you could take a look at wicket-phonebook and
wicketopia. They're not JDBC but they both come with Spring
preconfigured. The phonebook has a couple of example DAO's and iBatis
(among others) set up. You could take those as a starting point and
'add' JDBC.

Cheers,
Erik


On Wed, Sep 23, 2009 at 11:33 PM, Pedro Sena sena.pe...@gmail.com wrote:
 Hi Guys,

 I'm new to Wicket with Spring(I never used Spring before, just Seam). I'm
 using lolite but it comes with JPA instead of JDBC.

 I would like to know if there is some archetype for the setup that I
 described in the title. I already checked wicket stuff if no luck.

 Thanks in advance,
 --
 /**
 * Pedro Sena
 * Systems Architect
 * Sun Certified Java Programmer
 * Sun Certified Web Component Developer
 */


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Re: crud app with wicket

2009-08-10 Thread Erik Post
You could also have a look at Wicketopia's Wicket+Hibernate+Spring archetype:

http://wicketopia.sourceforge.net/wicketopia/source-repository.html

Good luck!

Cheers,
Erik

On Mon, Aug 10, 2009 at 7:27 AM, Peter Thomasptrtho...@gmail.com wrote:
 On Mon, Aug 10, 2009 at 10:36 AM, Ivan Dudko ivan.du...@gmail.com wrote:

 Hi all!
 I am new to java. I am trying to write crud app and using
 Wicket,Spring,Hibernate and PostgreSQL. But speed is very slow.
 May be i am do it in not right way. Where i can see the right way of
 integration of these components?


 Have a look at the Wicket Phonebook example:

 http://wicketstuff.org/confluence/display/STUFFWIKI/wicket-phonebook

 Also see this performance benchmark using Wicket + JPA (Hibernate):

 http://ptrthomas.wordpress.com/2009/01/14/seam-jsf-vs-wicket-performance-comparison/




 Thank you!
 Ivan Dudko

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Re: Wicket and Tomcat: Error deploying configuration descriptor ROOT.xml

2009-08-04 Thread Erik Post
Hi Thomas,

On Tue, Aug 4, 2009 at 3:54 PM, Thomas Singerwic...@regnis.de wrote:
 OK, this was caused by having removed commons-logging-1.1.jar from the
 classpath. I still don't understand why it is required. The wicket 1.4.0
 readme says:

       You only need to include the Servlet API (2.3, just for compiling) and
       the SLF4J logging implementation you want.

 Hence I assumed, that commons-logging-1.1.jar is NOT required. I'm confused.

I.e. in addition to SLF4J (the API) you also need an imlementation of
that API, such as commons logging.

Cheers,
Erik

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Re: strange icon appears in webpage

2009-08-04 Thread Erik Post
crlf (CR/LF) means Carriage Return/Line Feed. Windows and Unix treat
newlines differently Windows uses a CR followed by a LF and Unix only
uses a LF as a newline character. The dos2unix programs strips the
superfluous CR's, among other things.


On Tue, Aug 4, 2009 at 5:30 PM, fachhochfachh...@gmail.com wrote:

 I did not understand  what you mean ,  the special characters web page
 displays is comming becasue of plain HTML may be i copied it from other
 pages and not typed in my editor , but why is this  happening only in unix
 and not in windows , is there anything I have to configure in unix ?

 James Carman-3 wrote:

 Print out the character codes for each character in the string.  Is it
 crlf?

 On Tue, Aug 4, 2009 at 11:14 AM, fachhochfachh...@gmail.com wrote:

 this is happening only when deployed in unix in windows it is fine , I am
 sure I am not using characters of any foreign language  , is there any
 better way to  identify these characters ?

 MartinM wrote:

 Sync properly:
 - filesystem charset
 - html charset meta .. -tag

 **
 Martin

 2009/8/3 fachhoch fachh...@gmail.com:

 My pages I see a  strange symbol donot know the cause of  this ,  the
 symbol
 in IE   and firefox  is differnt .  Please help me  tell what  is
 causing
 this.below are the images.
 In  IE

 http://www.nabble.com/file/p24797435/IE.png

 in firefox
 http://www.nabble.com/file/p24797435/firefox.png



 fachhoch wrote:





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Re: strange icon appears in webpage

2009-08-03 Thread Erik Post
Hi,

Those symbols are shown when your system doesn't know how to render a
particular character code. This could happen e.g. when you're trying
to display Japanese characters without having a Japanese font
installed.

Cheers,
Erik

On Mon, Aug 3, 2009 at 10:17 PM, fachhochfachh...@gmail.com wrote:

 My pages I see a  strange symbol donot know the cause of  this ,  the symbol
 in IE   and firefox  is differnt .  Please help me  tell what  is causing
 this.below are the images.
 In  IE

 http://www.nabble.com/file/p24797435/IE.png

 in firefox
 http://www.nabble.com/file/p24797435/firefox.png



 fachhoch wrote:





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Re: strange icon appears in webpage

2009-08-03 Thread Erik Post
Btw, this might happen when you copy text from, say, a web page. The
page may look normal, but contain non-standard versions of common
characters such as double quotes/apostrophes/three consecutive
dots/other. They may look ok in your editor, but they'll have
non-standard char codes and could lead to some non-obvious strangeness
(such as what you described).

Cheers,
Erik


On Mon, Aug 3, 2009 at 10:17 PM, fachhochfachh...@gmail.com wrote:

 My pages I see a  strange symbol donot know the cause of  this ,  the symbol
 in IE   and firefox  is differnt .  Please help me  tell what  is causing
 this.below are the images.
 In  IE

 http://www.nabble.com/file/p24797435/IE.png

 in firefox
 http://www.nabble.com/file/p24797435/firefox.png



 fachhoch wrote:





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Re: Wicket for non Web/AJAX developers?

2009-08-02 Thread Erik Post
Hi,

I'm sorry to see a couple of somewhat uncourteous responses in this
thread. The guy is just asking a question that might well benefit
others who are interested in Wicket too. Coming from e.g. Swing, there
is indeed quite a lot of stuff to grok, and things can seem
overwhelming, so why not just try and help each other out?

That said, I would agree that becoming familiar with some of the
basics of web related work isn't going to hurt, especially given the
ubiquity of the web as a UI platform these days. If you want to do
without that, things like Flex, or perhaps even WebOnSwing and POJO
Application Server come to mind.

Cheers,
Erik


On Mon, Aug 3, 2009 at 1:33 AM, shetcsh...@bellsouth.net wrote:

 I guess the name LazyBoy says it all.
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Re: Persistence Error with Wicket.

2009-07-30 Thread Erik Post
Hi Raphael,

You're using JPA, which complains that it can't find a persistence
provider (i.e. Hibernate). Have you added the JPA-specific Hibernate
jars such as hibernate-entitymanager.jar (and, while you're at it,
hibernate-annotations.jar) as well? And where did you put your
persistence.xml? Also, please include the relevant bits of your
persistence.xml file, in particular:

  persistence-unit name=foo transaction-type=RESOURCE_LOCAL
providerorg.hibernate.ejb.HibernatePersistence/provider
 !-- ... --
  /persistence-unit

This does not seem to be a Wicket-specific problem btw, althoug it may
have something to do with your project's directory structure.

Cheers,
Erik


On Thu, Jul 30, 2009 at 10:07 PM, Raphael Monroe - Leucotron
(DES)rmon...@leucotron.com.br wrote:
 Hi everyone,

 It愀 my first post to the list so I'm sorry if I'm broking any rules or
 writing in a wrong text format.
 I'm here to learn and I hope I'll with you guys.

 Firstly, I should explain my huge(or not?) problem.
 Since 2 days ago, I'm having this persistence error in my project.

 I mean, when I get my program running, I have this follow message:

 javax.persistence.PersistenceException: No Persistence provider for
 EntityManager named classePer
 at 
 javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:56)
       at 
 com.leucotron.database.JDataBaseConnection.init(JDataBaseConnection.java:34)
       at  
 com.leucotron.database.JDataBaseConnection.getInstance(JDataBaseConnection.java:41)
       at com.leucotron.exemplowicket.Testando.init(Testando.java:24)


 I have no idea why I'm having this. Then, I have thought that is a wicket
 problem because when I use the same codes in a Desktop application I can run
 that very normal.

 I've tried to put the persistence.xml in several places, but I didn't have
 any sucess so far.
 I've also tried to add (even manually), all the .jars related to the
 hibernate lib. However, I still continued with the same problem.

 I kinda lost myself and I do not know how to fix my code or even how to do
 any modification to get my web application running as normal as my desktop
 application.

 Thank you guys,

 []s

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Re: Thanks Wicket-Team!

2009-07-29 Thread Erik Post
Hi Jeremy,

Just to weigh in on this, I personally think that working with JPA
entity managers/Hibernate sessions could do with some clarification
beyond just use Spring. There are a number of quickstart type
projects out there, but they all seem to revolve around using Spring,
whereas I would have liked to see some of the more low level concepts
cast light on, as they apply to Wicket:

- Why might one want to use OSIV or other patterns?
- EntityManagers/Sessions: how to obtain/close
- Where in the app/request lifecycle do you do stuff?
- Potential lazy loading issues
- Using thread-local storage
- How/where does this tie into servlets?
- Why you might not want to bother with all of this too much and just
use Spring/EJB instead.
- etc.

Most of this is not specific to Wicket per se, and I've seen a couple
of posts on this in the mailing list/various blogs floating around,
but it's quite a lot of stuff to piece together. I think a
comprehensive treatment of these issues would be useful.

Having typed all of that, maybe I should just write a tutorial
myself... Oh well, my 2c.

Cheers,
Erik


On Wed, Jul 29, 2009 at 11:55 PM, Jeremy
Thomersonjer...@wickettraining.com wrote:
 I'd be interested in knowing from your viewpoint what parts had a high
 learning curve?  And what background are you coming from (that may
 effect your individual curve)?  In my experience, Wicket has a MUCH
 lower learning curve than Spring Web Flow and Tapestry (any
 incarnation).  So, as someone who teaches Wicket, I'd be interested in
 seeing what parts stumped you.

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Re: DZone Refcard - Getting Started with Apache Wicket

2009-07-28 Thread Erik Post
I agree. Thanks, much appreciated!

On Tue, Jul 28, 2009 at 4:34 AM, Anton
Veretennikovanton.veretenni...@gmail.com wrote:
 Congratulations! Nice work!

 -- Tony

 On Tue, Jul 28, 2009 at 12:32 AM, Andrew
 Lombardiand...@mysticcoders.com wrote:
 DZone launched a Refcard about Apache Wicket here - http://dzone.it/yml

 A quick description from the website:

 Among the dizzying number of Web frameworks available today, Wicket’s simple
 and intuitive approach to Web development has led it to become a favorite
 among many Java developers.  This Refcard brings you quickly up to speed on
 some of the key features of Apache Wicket 1.3, showing you how to configure
 the framework, define your domain model, create standard Wicket components
 and add internationalization options.

 Enjoy!


 To our success!

 Mystic Coders, LLC | Code Magic | www.mysticcoders.com

 ANDREW LOMBARDI | and...@mysticcoders.com
 2321 E 4th St. Ste C-128, Santa Ana CA 92705
 ofc: 949-528-6480
 fax: 714-782-6024
 cell: 714-697-8046
 linked-in: http://www.linkedin.com/in/andrewlombardi
 twitter: http://www.twitter.com/kinabalu

 Eco-Tip: Printing e-mails is usually a waste.

 
 This message is for the named person's use only. You must not, directly or
 indirectly, use,
  disclose, distribute, print, or copy any part of this message if you are
 not the intended recipient.
 



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Re: Spring and Wicket - is it worth it?

2009-07-23 Thread Erik Post
I agree that Wicket, although it's really 'only' a view framework, could do with
a couple of straightforward examples in this area, because:

- A view framework without any persistence going on isn't typically very useful;
- It's important, if only to learn where, how and with what to hook
into various
server/session/request/... lifecycle stages correctly;
- Wicket should be as easy as possible to get into, and this is rather
a major point, I should think;
- Spring, while very useful, is just a wee bit beside the point
sometimes, and you're better off using it _after_ you understand
what's going on anyway. (Besides, how else could you tell if it would
useful to begin with?)

Cheers,
Erik


On Thu, Jul 23, 2009 at 11:23 PM, Dane Lavertydanelave...@gmail.com wrote:
 There we go, that's the kind of information I was looking for! Thanks John.
 What got me started with Spring initially was its JDBC templates, but then
 everything I read basically said, Yeah, Spring has JDBC templates, but you
 won't really need them since you should be using ORM instead. However, when
 I went to find some Hibernate/Wicket examples, all the ones I found were
 based in a Spring DI framework. So here I am. I'm sure it will be worth it
 in the end, but at the moment it's a lot of reading and testing without
 feeling like I'm being especially awesome.

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