[Wicket-user] working with plugins
Hi,
We're using plugins similar to Eclipse's to decouple functionality. Each
plugin's classes run in their own class loader.
We've encountered a problem in onNewBrowserWindow(). it uses
Objects.cloneObject(), which uses the default ObjectInputStream, that uses the
class loader associated with the execution stack, rather than the object's. so
trying to get the class of the object when reading it back fails.
This can be solved by changing cloneObject to:
public static Object cloneObject(final Object object)
{
if (object == null)
{
return null;
}
else
{
try
{
final ByteArrayOutputStream out = new ByteArrayOutputStream(256);
ObjectOutputStream oos = new ObjectOutputStream(out);
oos.writeObject(object);
ObjectInputStream ois = new ObjectInputStream(new
ByteArrayInputStream(out
.toByteArray())) {
protected Class
resolveClass(ObjectStreamClass desc) throws IOException,
ClassNotFoundException {
String className = desc.getName();
return Class.forName(className, true,
object.getClass().getClassLoader()); }
};
return ois.readObject();
}
catch (ClassNotFoundException e)
{
throw new WicketRuntimeException(Internal error cloning
object, e);
}
catch (IOException e)
{
throw new WicketRuntimeException(Internal error cloning
object, e);
}
}
}
i think that it should work fine in this context since the object is already
accessible when writing it. it is working for us.
btw, a problem that is caused by this failure (and the throwing of
WicketRuntimeException) is that the PageMap contains null entries (or rather,
the session contains attributes with null values). i couldn't track why exactly
this happens.
regards,
ittay
--
===
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Chief architect, openQRM TL,
RD, Qlusters Inc.
[EMAIL PROTECTED]
+972-3-6081994 Fax: +972-3-6081841
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[Wicket-user] Modal Dialog
Hi all. Is component like Modal Dialog exist in wicket framework? Dmitry. - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] Radio, AJAX and Model: What ist he correct type for a radio button property model
Hi all,
What ist he correct type for a radio button property model?
I want to use RadioButtons with AJAX. I have found a hint in the mailing
list archive that I have to use RadioGroup and add an ajax event to each
Radio Object in the radio group. This works.
But now: when I want one of the radio buttons to be preselected I need
to bind a model to the radio button.
Let's assume that I have HTML like this
form wicket:id=form
span wicket:id=group
table style=border: 2px dotted #fc0; width:
400px; padding: 5px;
tr
td valign=topSelect a person/td
td
table cellspacing=0
cellpadding=2
trtd wicket:id=persons
input type=radio
wicket:id=radio/
span
wicket:id=name[this is where name will be]/span/td
/tr
/table
span valign=top
/span
/td
...
The java part looks like this
final RadioGroup group = new
RadioGroup(group);
Form form = new Form(form);
add(form);
form.add(group);
ListView persons = new ListView(persons,
getPersons()) {
protected void populateItem(ListItem
item) {
Radio r = new Radio(radio,
item.getModel());
r.add(new
AjaxEventBehavior(onchange) {
protected void
onEvent(AjaxRequestTarget target) {
System.out.println(-- +
getComponent().getModelObject().toString);
}
});
item.add(r);
item.add(new Label(name, new
PropertyModel(item.getModel(), name)));
}
};
group.add(persons);
This works well in one way: I can receive the AJAX event when a radio
button is selectd.
But now I want to have one radio buttln preselect when I display the
panel.
When I try to add a PropertyModel to the radio button
Radio r = new Radio(radio, new PropertyModel(item.getModel(),
radio));
I can see calls to getRadio in my ModelClass when the components are
rendered the first time. But when I klick into a radio butteln a class
cast Exception is thrown. I tried a boolean, a Boolean and a String as
type for the radio button but alway a class cast exception is thrown.
Now once again the question: What ist he correct type for a radio button
property model and what ist he default value to have one radio button
selected.
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Re: [Wicket-user] Wicket Hibernate Application Transactions
As a side note, you still can pass in the full object, even in 1.2,
that is what we are doing in our application constantly. You do have
to be careful to always use the shared model, otherwise you'll get
LazyInitialization exceptions...
Sharing the model between components on one page is a good thing (tm),
and can save some memory. In my opinion, understanding the lazy pull
approach of the wicket models is key in building Wicket applications.
Person person = (Person)getModelObject();
setResponsePage(new FooPage(person));
public class FooPage extends WebPage {
public FooPage(Person person) {
IModel shared = new CompoundPropertyModel(new HibernateModel(person));
setModel(shared);
add(new ListView(children) {...});
add(new Form(form, shared){...});
}
}
Martijn
On 7/16/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
yeah, you miss something. load-by-id is a cheap operation. first of all
session.get(id) will return the cached object within the same request. and
even if the first level cache misses(the session) the second level cache
will most likely have the object where it is kept across requests.
so if you pass the id to many panels within the same request the object is
still only loaded once. within many requests the chances are good it is in
second level cache. i wouldnt even attempt to use an orm solution without a
good second level cache setup.
if you want extended sessions there is really nothing stopping you from
doing that either. all you have to do is create the session yourself,
disconnect it at the end of request and reconnect it at the beginning of
another. all perfectly doable in wicket. then you just have to pass the
session around from page to page.
-Igor
On 7/16/06, Iman Rahmatizadeh [EMAIL PROTECTED] wrote:
Juergen Donnerstag wrote:
I don't think this is true if you create a hibernate session per http
request
Juergen
When you pass the object id instead of the object to the panels, each
panel will retrieve the object independent of others. Maybe a cache will
help. But still it goes through the persistence layer. Am I missing
something ?
Iman
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Re: [Wicket-user] Modal Dialog
Not at this time. Shouldn't be too hard to do, but we're still waiting for someone to contribute it :) Eelco On 7/17/06, Арву Оетук [EMAIL PROTECTED] wrote: Hi all. Is component like Modal Dialog exist in wicket framework? Dmitry. - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] More CSS support in wicket?
Well,should i say i have specifics yet, okay yesterday i was trying to make a small customizable menubar widget and i needed a way to ensure that an time i want to reuse it or even give it out for others to use, they can simple change certain general schemes in the CSS like border color, background image, etc...
Now currently, whatever CSS you package as a wicket resource with the widget is what users stick to. Now somewhere in my code I had to do this:
ul.append(border-top: 1px solid + this.bordercolor +
;); ul.append(border-bottom: 1px solid +
this.bordercolor +
;); ul.append(background:url( +
this.linkBgImage +
) repeat;);Basically if i did not want to make anything reuseable, i could stick to the normal wicket way, just dump some CSS in the header and then any reuse will have to keep it that way. But i dont think it will be much fun to keep recoding styles into your wicket component everytime you need to reuse it. Infact a wicket developer like myself..i am really taking time to build up my widget framework so that laying out interface for any coming project will just be add(), add() and add().
Now what i think is just some form of templating support for CSS: Since CSS is not an XML file (i really wonder why CSS is not XML) but in a file calledMyWidget.css
.${wicket:id of component that needs this css} ul {border-top:
${border-thickness}; solid ${border-color}
;background:url(${bg-image}) repeat;
padding-bottom: 3px;
padding-top: ${pad-top};
}Something like this...and then in my custom component, i want toclass MyWidget extends Panel{
private Component component;add(component = new Component(wicket:id)
}maybe some interface or a class for filling in the css parameters in the ${}.But Wicket will generate the CSS header from the template on behalf of that component and attach the
class attribute etc etc. hey..wait i think i can even develop something like this right now...even as i am talking about it, its kind of clear to me what i can do.
ah sorry to bug yu guys with RFC ...thanks eelcoOn 7/15/06, Eelco Hillenius [EMAIL PROTECTED]
wrote:Could you please be more specific to what kind kind of additionalsupport you would like to see? Could you give a few end-user (from the
perspective of framework users of course) examples of what you'd like?EelcoOn 7/15/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote: i think wicket needs to kind of improve CSS templating support. I think more
than just a resource...more of CSS and WebPage\Panel integration support needs to be in wicket especially when yu needs to create widgets where you want to generate certain Styles on the fly...anyway it's not like an
urgently needed feature but just a kind of suggestion that may reduce the stress in bindingtwo tightly close couples like HTML and CSS thanks
-- It takes insanity to drive in sanity - Me Aladejebi Ayodeji A., DabarObjects Solutions Email: [EMAIL PROTECTED]
Web: www.dabarobjects.com Community: www.cowblock.net -
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Re: [Wicket-user] More CSS support in wicket?
Did you take a look at what's in wicket.extensions.util.resource? I
think that package has exactly what you are looking for, e.g.
PackagedTextTemplate.
Eelco
On 7/17/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote:
Well,
should i say i have specifics yet, okay yesterday i was trying to make a
small customizable menubar widget and i needed a way to ensure that an time
i want to reuse it or even give it out for others to use, they can simple
change certain general schemes in the CSS like border color, background
image, etc...
Now currently, whatever CSS you package as a wicket resource with the widget
is what users stick to. Now somewhere in my code I had to do this:
ul.append(border-top: 1px solid +
this.bordercolor +
;);
ul.append(border-bottom: 1px solid +
this.bordercolor +
;);
ul.append(background:url( +
this.linkBgImage +
) repeat;);
Basically if i did not want to make anything reuseable, i could stick to the
normal wicket way, just dump some CSS in the header and then any reuse will
have to keep it that way. But i dont think it will be much fun to keep
recoding styles into your wicket component everytime you need to reuse it.
Infact a wicket developer like myself..i am really taking time to build up
my widget framework so that laying out interface for any coming project will
just be add(), add() and add().
Now what i think is just some form of templating support for CSS: Since CSS
is not an XML file (i really wonder why CSS is not XML) but in a file called
MyWidget.css
.${wicket:id of component that needs this css} ul {
border-top: ${border-thickness}; solid ${border-color} ;
background:url(${bg-image}) repeat;
padding-bottom: 3px;
padding-top: ${pad-top};
}
Something like this...and then in my custom component, i want to
class MyWidget extends Panel{
private Component component;
add(component = new Component(wicket:id)
}
maybe some interface or a class for filling in the css parameters in the
${}.
But Wicket will generate the CSS header from the template on behalf of that
component and attach the class attribute etc etc.
hey..wait i think i can even develop something like this right now...even as
i am talking about it, its kind of clear to me what i can do.
ah sorry to bug yu guys with RFC ...thanks eelco
On 7/15/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Could you please be more specific to what kind kind of additional
support you would like to see? Could you give a few end-user (from the
perspective of framework users of course) examples of what you'd like?
Eelco
On 7/15/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote:
i think wicket needs to kind of improve CSS templating support. I think
more
than just a resource...more of CSS and WebPage\Panel integration support
needs to be in wicket especially when yu needs to create widgets where
you
want to generate certain Styles on the fly...anyway it's not like an
urgently needed feature but just a kind of suggestion that may reduce
the
stress in bindingtwo tightly close couples like HTML and CSS
thanks
--
It takes insanity to drive in sanity - Me
Aladejebi Ayodeji A.,
DabarObjects Solutions
Email: [EMAIL PROTECTED]
Web: www.dabarobjects.com
Community:
www.cowblock.net
-
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security?
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Geronimo
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Aladejebi Ayodeji A.,
DabarObjects Solutions
Email: [EMAIL PROTECTED]
Mobile: +234 803 589 1780
Web: www.dabarobjects.com
Community:
www.cowblock.net
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Get stuff done quickly
Re: [Wicket-user] More CSS support in wicket?
really?...shit!!..thanksOn 7/17/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Did you take a look at what's in wicket.extensions.util.resource? Ithink that package has exactly what you are looking for, e.g.PackagedTextTemplate.EelcoOn 7/17/06, Ayodeji Aladejebi
[EMAIL PROTECTED] wrote: Well, should i say i have specifics yet, okay yesterday i was trying to make a small customizable menubar widget and i needed a way to ensure that an time i want to reuse it or even give it out for others to use, they can simple
change certain general schemes in the CSS like border color, background image, etc... Now currently, whatever CSS you package as a wicket resource with the widget is what users stick to. Now somewhere in my code I had to do this:
ul.append(border-top: 1px solid + this.bordercolor +;); ul.append(border-bottom: 1px solid +
this.bordercolor +;); ul.append(background:url( + this.linkBgImage +) repeat;); Basically if i did not want to make anything reuseable, i could stick to the
normal wicket way, just dump some CSS in the header and then any reuse will have to keep it that way. But i dont think it will be much fun to keep recoding styles into your wicket component everytime you need to reuse it.
Infact a wicket developer like myself..i am really taking time to build up my widget framework so that laying out interface for any coming project will just be add(), add() and add(). Now what i think is just some form of templating support for CSS: Since CSS
is not an XML file (i really wonder why CSS is not XML) but in a file called MyWidget.css.${wicket:id of component that needs this css} ul { border-top: ${border-thickness}; solid ${border-color} ;
background:url(${bg-image}) repeat; padding-bottom: 3px;padding-top: ${pad-top};} Something like this...and then in my custom component, i want to class MyWidget extends Panel{
private Component component; add(component = new Component(wicket:id) } maybe some interface or a class for filling in the css parameters in the ${}. But Wicket will generate the CSS header from the template on behalf of that
component and attach the class attribute etc etc. hey..wait i think i can even develop something like this right now...even as i am talking about it, its kind of clear to me what i can do.
ah sorry to bug yu guys with RFC ...thanks eelco On 7/15/06, Eelco Hillenius [EMAIL PROTECTED] wrote: Could you please be more specific to what kind kind of additional
support you would like to see? Could you give a few end-user (from the perspective of framework users of course) examples of what you'd like? Eelco
On 7/15/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote: i think wicket needs to kind of improve CSS templating support. I think more
than just a resource...more of CSS and WebPage\Panel integration support needs to be in wicket especially when yu needs to create widgets where you want to generate certain Styles on the fly...anyway it's not like an
urgently needed feature but just a kind of suggestion that may reduce the stress in bindingtwo tightly close couples like HTML and CSS thanks
-- It takes insanity to drive in sanity - Me
Aladejebi Ayodeji A., DabarObjects Solutions Email: [EMAIL PROTECTED] Web:
www.dabarobjects.com Community: www.cowblock.net -
Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server
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Re: [Wicket-user] More CSS support in wicket?
That package is just a few months old :) If you come up with some
useful contributions specific for CSS, I'd be happy to incorporate
them.
Eelco
On 7/17/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote:
really?...shit!!..thanks
On 7/17/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Did you take a look at what's in wicket.extensions.util.resource? I
think that package has exactly what you are looking for, e.g.
PackagedTextTemplate.
Eelco
On 7/17/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote:
Well,
should i say i have specifics yet, okay yesterday i was trying to make a
small customizable menubar widget and i needed a way to ensure that an
time
i want to reuse it or even give it out for others to use, they can simple
change certain general schemes in the CSS like border color, background
image, etc...
Now currently, whatever CSS you package as a wicket resource with the
widget
is what users stick to. Now somewhere in my code I had to do this:
ul.append(border-top: 1px solid +
this.bordercolor +
;);
ul.append(border-bottom: 1px solid +
this.bordercolor +
;);
ul.append(background:url( +
this.linkBgImage +
) repeat;);
Basically if i did not want to make anything reuseable, i could stick to
the
normal wicket way, just dump some CSS in the header and then any reuse
will
have to keep it that way. But i dont think it will be much fun to keep
recoding styles into your wicket component everytime you need to reuse it.
Infact a wicket developer like myself..i am really taking time to build up
my widget framework so that laying out interface for any coming project
will
just be add(), add() and add().
Now what i think is just some form of templating support for CSS: Since
CSS
is not an XML file (i really wonder why CSS is not XML) but in a file
called
MyWidget.css
.${wicket:id of component that needs this css} ul {
border-top: ${border-thickness}; solid ${border-color} ;
background:url(${bg-image}) repeat;
padding-bottom: 3px;
padding-top: ${pad-top};
}
Something like this...and then in my custom component, i want to
class MyWidget extends Panel{
private Component component;
add(component = new Component(wicket:id)
}
maybe some interface or a class for filling in the css parameters in the
${}.
But Wicket will generate the CSS header from the template on behalf of
that
component and attach the class attribute etc etc.
hey..wait i think i can even develop something like this right now...even
as
i am talking about it, its kind of clear to me what i can do.
ah sorry to bug yu guys with RFC ...thanks eelco
On 7/15/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Could you please be more specific to what kind kind of additional
support you would like to see? Could you give a few end-user (from the
perspective of framework users of course) examples of what you'd like?
Eelco
On 7/15/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote:
i think wicket needs to kind of improve CSS templating support. I
think
more
than just a resource...more of CSS and WebPage\Panel integration
support
needs to be in wicket especially when yu needs to create widgets where
you
want to generate certain Styles on the fly...anyway it's not like an
urgently needed feature but just a kind of suggestion that may reduce
the
stress in bindingtwo tightly close couples like HTML and CSS
thanks
--
It takes insanity to drive in sanity - Me
Aladejebi Ayodeji A.,
DabarObjects Solutions
Email: [EMAIL PROTECTED]
Web: www.dabarobjects.com
Community:
www.cowblock.net
-
Using Tomcat but need to do more? Need to support web services,
security?
Get stuff done quickly with pre-integrated technology to make your job
easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache
Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642
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[Wicket-user] WebMarkupContainer
Hi All I am calling WebMarkupContainer on Ajax call . but WebMarkupContainer is not clear for Ajax call. plz anybody know about solution send me a mail. Thanks in Advance Gangadhar A Vibhute - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Playing with models:) / wicket.extensions.markup.html.form.palette.Palette;
When is setObject supposed to get called, Cause I only see it get called during construct? Whenever a (form)component has to update it's model contents. Or if you call setObject explicitly of course :() Typically, a component update is done by Form, which visits all it's children and calls updateModel on them. Eelco - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] WebMarkupContainer
I'm not clear on what your question is. Keep in mind that you have to call setOutputMarkupId(true) on any component you want to target (render) with ajax requests. Eelco On 7/17/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi All I am calling WebMarkupContainer on Ajax call . but WebMarkupContainer is not clear for Ajax call. plz anybody know about solution send me a mail. Thanks in Advance Gangadhar A Vibhute - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] WebMarkupContainer
Hi All I have WebMarkupContainer code in this WebMarkupContainer there is list View I am tragting this WebMarkupContainer on Dropdown ajax call but there is previous output present. I want solution for clearing this previous output Thanks in Advance Gangadhar A Vibhute - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] bookmarkable ajax link
Hi all, I have an AjaxLink that opens a modal dialog (which is implemented as an iframe that displays the URL of that link). The link is embedded inside a ListView that refreshes itself every 30 seconds via ajax. The URL of that link is generated of course by Ajax and include session mapping parameters so it is not bookmarkable. Whenever I click the link just before the table is refreshed, the target of that link page is expired from session. Is it possible to generate a bookmarkable ajax link ? Thanks Nili - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Playing with models:) /wicket.extensions.markup.html.form.palette.Palette;
Strange then, it seems as the extension palette does not update on a submit? Does it somehow detach from its model? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Eelco Hillenius Sent: 17. juli 2006 12:14 To: wicket-user@lists.sourceforge.net Subject: Re: [Wicket-user] Playing with models:) /wicket.extensions.markup.html.form.palette.Palette; When is setObject supposed to get called, Cause I only see it get called during construct? Whenever a (form)component has to update it's model contents. Or if you call setObject explicitly of course :() Typically, a component update is done by Form, which visits all it's children and calls updateModel on them. Eelco - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] wicket.markup.html.form.CheckBoxvswicket.ajax.form.AjaxFormComponentUpdatingBehavior= not working?
Yup that fixed it, thanks...
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Eelco Hillenius
Sent: 14. juli 2006 15:38
To: wicket-user@lists.sourceforge.net
Subject: Re:
[Wicket-user]wicket.markup.html.form.CheckBoxvswicket.ajax.form.AjaxFormComponentUpdatingBehavior=
not working?
I think you need to use AjaxFormComponentUpdatingBehavior so that your
model will automatically updated.
Eelco
On 7/14/06, Nino Wael [EMAIL PROTECTED] wrote:
Ok, np just switched back to checkbox and wrote this:
cb_HeleLandet.add(new AjaxEventBehavior(onclick) {
protected void onEvent(AjaxRequestTarget target) {
myForm_sammen.setDisabled(reportModel.getHeleLandet());
target.addComponent(myForm_sammen);
}
});
Which almost works as wanted. When are the backing model for my checkbox
updated? It seems it's not updated preajax call, nor postajax? Do I need a
true submit of the form to update the backing model?
Since I need to disabled another component based on when the checkbox are
checked or not.
Regards Nino
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On
Behalf Of Igor Vaynberg
Sent: 14. juli 2006 09:26
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user]
wicket.markup.html.form.CheckBoxvswicket.ajax.form.AjaxFormComponentUpdatingBehavior
= not working?
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user]
wicket.markup.html.form.CheckBoxvswicket.ajax.form.AjaxFormComponentUpdatingBehavior
= not working?
oops, i thought i fixed that (onchange-onclick) before 1.2 final, but i
guess not. until 1.2.1 comes out you are prob then better off using what you
have now, or use 1.2 from svn
-Igor
On 7/13/06, Nino Wael [EMAIL PROTECTED] wrote:
I switched to the AjaxCheckBox, but my markup still says:
input type=checkbox wicket:id=hele_landet name=hele_landet
onchange=var
wcall=wicketAjaxPost('/jobindsats/app?wicket:interface=:2:databank_form:hele_landet::IBehaviorListenerwicket:behaviorId=1',
wicketSerialize(this), function() { }, function() { });
id=databank_form_hele_landet
Wicket java:
cb_HeleLandet =
new AjaxCheckBox(hele_landet, new PropertyModel(
reportModel, heleLandet)) {
protected void onUpdate(AjaxRequestTarget target) {
myForm_sammen.setEnabled(reportModel.getHeleLandet());
target.addComponent(myForm_sammen);
}
};
How do I specify to call the ajax onclick? As you wrote the ajax is now
called onchange wich indeed are delayed until blur occurs.
Regards Nino
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] ] On
Behalf Of Igor Vaynberg
Sent: 13. juli 2006 18:17
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] wicket.markup.html.form.CheckBox
vswicket.ajax.form.AjaxFormComponentUpdatingBehavior = not
working?
also onchange on the checkboxes is delayed until the onblur event so you are
better off using onclick, and there is of course a
wicket.ajax.markup.html.form.AjaxCheckBox ready for you as
well
-Igor
On 7/13/06, Martijn Dashorst [EMAIL PROTECTED] wrote:
Did you do myForm_sammen.setOutputMarkupId(true) in your
page constructor?
Martijn
On 7/13/06, Nino Wael [EMAIL PROTECTED] wrote:
Hi
Im currently working on a checkbox that needs to do some stuff on a
onchange request.
However it looks as the AJAX call never is made, I have other ajax calls
on the page that works just fine (also using the onchange modifier)
When looking at the below code it should work fine it seems to me but it
dosent:
Wicket javaCode:
cb_HeleLandet = new CheckBox(hele_landet, new
PropertyModel(
reportModel,
heleLandet));
cb_HeleLandet.setOutputMarkupId(true);
cb_HeleLandet.add(new
AjaxFormComponentUpdatingBehavior(onchange) {
protected void onUpdate(AjaxRequestTarget target)
{
myForm_sammen.setEnabled(reportModel.getHeleLandet());
target.addComponent
(myForm_sammen);
}
});
Wicket html code:
input type=checkbox
wicket:id=hele_landet
Wicket html when output from server:
script type=text/javascript
src=/jobindsats/app/resources/wicket.ajax.AbstractDefaultAjaxBehavior/wicket-ajax.js/script
script type=text/javascript!--//--![CDATA[//!--
wicketAjaxDebugEnable=true;
//--!]]/script
script type=text/javascript
src=/jobindsats/app/resources/wicket.ajax.AbstractDefaultAjaxBehavior/wicket-
ajax-debug-drag.js/script
script type=text/javascript
[Wicket-user] form's onsubmit handler
I'm using wicket 1.2 final and trying to use the form's 'onsubmit' handler to prompt the user to confirm a message or not. I've tried to solve this by adding the onsubmit to the form with a SimpleAttributeModifier but it doesn't work, the onsubmit attribute is simply not rendered ?! If this isn't the way a form is supposed to be used, can anybody point to how can I do such a thing ? (Ask a user, 'do you really want to submit that form' when he presses submit) Thanks, Dorel - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] form's onsubmit handler
I think you should add Button(s) to the form and add onclick attribute
modifier on them (or right on to the markup input type=submit
wicket:id=submit onlick=return confirm('...');/ )
-Matej
Dorel Vaida wrote:
I'm using wicket 1.2 final and trying to use the form's 'onsubmit'
handler to prompt the user to confirm a message or not. I've tried to
solve this by adding the onsubmit to the form with a
SimpleAttributeModifier but it doesn't work, the onsubmit attribute is
simply not rendered ?!
If this isn't the way a form is supposed to be used, can anybody point
to how can I do such a thing ? (Ask a user, 'do you really want to
submit that form' when he presses submit)
Thanks,
Dorel
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Re: [Wicket-user] form's onsubmit handler
Yeah do it like that. I wouldn't know why attaching attribute
modifiers to your form didn't work though...
Eelco
On 7/17/06, Matej Knopp [EMAIL PROTECTED] wrote:
I think you should add Button(s) to the form and add onclick attribute
modifier on them (or right on to the markup input type=submit
wicket:id=submit onlick=return confirm('...');/ )
-Matej
Dorel Vaida wrote:
I'm using wicket 1.2 final and trying to use the form's 'onsubmit'
handler to prompt the user to confirm a message or not. I've tried to
solve this by adding the onsubmit to the form with a
SimpleAttributeModifier but it doesn't work, the onsubmit attribute is
simply not rendered ?!
If this isn't the way a form is supposed to be used, can anybody point
to how can I do such a thing ? (Ask a user, 'do you really want to
submit that form' when he presses submit)
Thanks,
Dorel
-
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Re: [Wicket-user] WebMarkupContainer
Maybe you could send some code of what you are trying to do... Eelco On 7/17/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Hi All I have WebMarkupContainer code in this WebMarkupContainer there is list View I am tragting this WebMarkupContainer on Dropdown ajax call but there is previous output present. I want solution for clearing this previous output Thanks in Advance Gangadhar A Vibhute - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] bookmarkable ajax link
I think Matej and Igor have been working on that. Maybe they can comment on this. Eelco On 7/17/06, Nili Adoram [EMAIL PROTECTED] wrote: Hi all, I have an AjaxLink that opens a modal dialog (which is implemented as an iframe that displays the URL of that link). The link is embedded inside a ListView that refreshes itself every 30 seconds via ajax. The URL of that link is generated of course by Ajax and include session mapping parameters so it is not bookmarkable. Whenever I click the link just before the table is refreshed, the target of that link page is expired from session. Is it possible to generate a bookmarkable ajax link ? Thanks Nili - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] form's onsubmit handler
Eelco Hillenius wrote:
Yeah do it like that.
The form is submitted no matter what I return in submit button's
onclick. Eventually the solution would be to add a simple button and NOT
a submit button and force submiting the form through javascript when
pressing the button. (Which I do not like).
I wouldn't know why attaching attribute
modifiers to your form didn't work though...
Me neither, that's why I asked. I thought that in some way onsubmit
attribute is blocked by wicket being reserved for it's own use,
otherwise I do not see any reason why wicket wouldn't render a
'onsubmit' attribute as it renders the others that fortunately do work
:-(. From what I know returning false in the form's onsubmit is the
standard way of elegantly preventing the form from being submitted.
Eelco
On 7/17/06, Matej Knopp [EMAIL PROTECTED] wrote:
I think you should add Button(s) to the form and add onclick attribute
modifier on them (or right on to the markup input type=submit
wicket:id=submit onlick=return confirm('...');/ )
-Matej
Dorel Vaida wrote:
I'm using wicket 1.2 final and trying to use the form's 'onsubmit'
handler to prompt the user to confirm a message or not. I've tried to
solve this by adding the onsubmit to the form with a
SimpleAttributeModifier but it doesn't work, the onsubmit attribute is
simply not rendered ?!
If this isn't the way a form is supposed to be used, can anybody point
to how can I do such a thing ? (Ask a user, 'do you really want to
submit that form' when he presses submit)
Thanks,
Dorel
-
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Re: [Wicket-user] form's onsubmit handler
Dorel Vaida wrote:
Eelco Hillenius wrote:
Yeah do it like that.
The form is submitted no matter what I return in submit button's
onclick. Eventually the solution would be to add a simple button and NOT
Can you check the generated output, if the javascript is there? I see no
reason why wicket should do anything with onclick. What javascript
exactly do you put there?
-Matej
a submit button and force submiting the form through javascript when
pressing the button. (Which I do not like).
I wouldn't know why attaching attribute
modifiers to your form didn't work though...
Me neither, that's why I asked. I thought that in some way onsubmit
attribute is blocked by wicket being reserved for it's own use,
otherwise I do not see any reason why wicket wouldn't render a
'onsubmit' attribute as it renders the others that fortunately do work
:-(. From what I know returning false in the form's onsubmit is the
standard way of elegantly preventing the form from being submitted.
Eelco
On 7/17/06, Matej Knopp [EMAIL PROTECTED] wrote:
I think you should add Button(s) to the form and add onclick attribute
modifier on them (or right on to the markup input type=submit
wicket:id=submit onlick=return confirm('...');/ )
-Matej
Dorel Vaida wrote:
I'm using wicket 1.2 final and trying to use the form's 'onsubmit'
handler to prompt the user to confirm a message or not. I've tried to
solve this by adding the onsubmit to the form with a
SimpleAttributeModifier but it doesn't work, the onsubmit attribute is
simply not rendered ?!
If this isn't the way a form is supposed to be used, can anybody point
to how can I do such a thing ? (Ask a user, 'do you really want to
submit that form' when he presses submit)
Thanks,
Dorel
-
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Re: [Wicket-user] form's onsubmit handler
It works, sorry, I was not paying enough attention. In the first phase I
wasn't looking to the right form, the the second phase I forgot to add
the 'return' in the 'onsubmit' form handler
Correct is *add(new SimpleAttributeModifier(onsubmit, return
confirmSubmission()));* and it works with wicket 1.2 final.
Sorry for the trouble.
Dorel Vaida wrote:
Eelco Hillenius wrote:
Yeah do it like that.
The form is submitted no matter what I return in submit button's
onclick. Eventually the solution would be to add a simple button and NOT
a submit button and force submiting the form through javascript when
pressing the button. (Which I do not like).
I wouldn't know why attaching attribute
modifiers to your form didn't work though...
Me neither, that's why I asked. I thought that in some way onsubmit
attribute is blocked by wicket being reserved for it's own use,
otherwise I do not see any reason why wicket wouldn't render a
'onsubmit' attribute as it renders the others that fortunately do work
:-(. From what I know returning false in the form's onsubmit is the
standard way of elegantly preventing the form from being submitted.
Eelco
On 7/17/06, Matej Knopp [EMAIL PROTECTED] wrote:
I think you should add Button(s) to the form and add onclick attribute
modifier on them (or right on to the markup input type=submit
wicket:id=submit onlick=return confirm('...');/ )
-Matej
Dorel Vaida wrote:
I'm using wicket 1.2 final and trying to use the form's 'onsubmit'
handler to prompt the user to confirm a message or not. I've tried to
solve this by adding the onsubmit to the form with a
SimpleAttributeModifier but it doesn't work, the onsubmit attribute is
simply not rendered ?!
If this isn't the way a form is supposed to be used, can anybody point
to how can I do such a thing ? (Ask a user, 'do you really want to
submit that form' when he presses submit)
Thanks,
Dorel
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Re: [Wicket-user] form's onsubmit handler
It works, sorry, I was not paying enough attention. In the first phase I wasn't looking to the right form, the the second phase I forgot to add the 'return' in the 'onsubmit' form handler Correct is *add(new SimpleAttributeModifier(onsubmit, return confirmSubmission()));* and it works with wicket 1.2 final. Sorry for the trouble. Hehe. Np. Remember rule #1 from the hitchhiker's guide to the universe ;) Eelco - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] bookmarkable ajax link
What URL do you exactly display in the iframe? I think the behavior is caused by PageMap in 1.2 which behaves as stack. So to get over this you have to put the page that is shown in the iframe to separate pagemap. You can change the pagemap in which wicket is created by either specifying it in Page constructor or as URL parameter of bookmarkablePages (wicket:pageMapName=myModalPageMap) -Matej Nili Adoram wrote: Hi all, I have an AjaxLink that opens a modal dialog (which is implemented as an iframe that displays the URL of that link). The link is embedded inside a ListView that refreshes itself every 30 seconds via ajax. The URL of that link is generated of course by Ajax and include session mapping parameters so it is not bookmarkable. Whenever I click the link just before the table is refreshed, the target of that link page is expired from session. Is it possible to generate a bookmarkable ajax link ? Thanks Nili - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] bookmarkable ajax link
1. The generated URL is:
javascript:var
wcall=wicketAjaxGet('/page;jsessionid=66D2B1310B47081B62EE203A648CDAE8?wicket:interface=:0:statusForm:data:nodeGroups:0:deprovision::IBehaviorListenerwicket:behaviorId=0',
function() { }, function() { });
2. Can you please explain what is th purpose of PageMap in this case?
Thanks
-Nili
Matej Knopp wrote:
What URL do you exactly display in the iframe? I think the behavior is
caused by PageMap in 1.2 which behaves as stack. So to get over this you
have to put the page that is shown in the iframe to separate pagemap.
You can change the pagemap in which wicket is created by either
specifying it in Page constructor or as URL parameter of
bookmarkablePages (wicket:pageMapName=myModalPageMap)
-Matej
Nili Adoram wrote:
Hi all,
I have an AjaxLink that opens a modal dialog (which is implemented as an
iframe that displays the URL of that link).
The link is embedded inside a ListView that refreshes itself every 30
seconds via ajax.
The URL of that link is generated of course by Ajax and include session
mapping parameters so it is not bookmarkable.
Whenever I click the link just before the table is refreshed, the target
of that link page is expired from session.
Is it possible to generate a bookmarkable ajax link ?
Thanks
Nili
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[Wicket-user] Model and setObject?
Hi Starting this over again, trying to explain more clearly what im doing here. Ive created a AbstractModel that pretty much works as property model, only difference are that the setObject sets the object and does a little bit more. My model is attached to the wicket.extensions.markup.html.form.palette as the model representing user choices. The palette component consists of two listboxes and some buttons to move the selection, it moves the selection by _javascript_ so I have a submit button in my form aswell. My issue is that it seems as the models setObject are only called in the constructor, or when I explicitly call it? But I can clearly see that the palette gets updated correctly even if I switch pages. Regards Nino - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] bookmarkable ajax link
This is generated url of the ajax link. you said you open a page in an
iframe, so I asked, what URL do you display in the iframe (iframe
src=??/
How do you create the iframe?
-Matej
Nili Adoram wrote:
1. The generated URL is:
javascript:var
wcall=wicketAjaxGet('/page;jsessionid=66D2B1310B47081B62EE203A648CDAE8?wicket:interface=:0:statusForm:data:nodeGroups:0:deprovision::IBehaviorListenerwicket:behaviorId=0',
function() { }, function() { });
2. Can you please explain what is th purpose of PageMap in this case?
Thanks
-Nili
Matej Knopp wrote:
What URL do you exactly display in the iframe? I think the behavior is
caused by PageMap in 1.2 which behaves as stack. So to get over this you
have to put the page that is shown in the iframe to separate pagemap.
You can change the pagemap in which wicket is created by either
specifying it in Page constructor or as URL parameter of
bookmarkablePages (wicket:pageMapName=myModalPageMap)
-Matej
Nili Adoram wrote:
Hi all,
I have an AjaxLink that opens a modal dialog (which is implemented as an
iframe that displays the URL of that link).
The link is embedded inside a ListView that refreshes itself every 30
seconds via ajax.
The URL of that link is generated of course by Ajax and include session
mapping parameters so it is not bookmarkable.
Whenever I click the link just before the table is refreshed, the target
of that link page is expired from session.
Is it possible to generate a bookmarkable ajax link ?
Thanks
Nili
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Re: [Wicket-user] bookmarkable ajax link
Matej Knopp wrote:
This is generated url of the ajax link. you said you open a page in an
iframe, so I asked, what URL do you display in the iframe (iframe
src=??/
How do you create the iframe?
it is statically in the page, but hidden. the ajax link calls a javascript that
sets the iframe's src to a given url
-Matej
Nili Adoram wrote:
1. The generated URL is:
javascript:var
wcall=wicketAjaxGet('/page;jsessionid=66D2B1310B47081B62EE203A648CDAE8?wicket:interface=:0:statusForm:data:nodeGroups:0:deprovision::IBehaviorListenerwicket:behaviorId=0',
function() { }, function() { });
2. Can you please explain what is th purpose of PageMap in this case?
Thanks
-Nili
Matej Knopp wrote:
What URL do you exactly display in the iframe? I think the behavior is
caused by PageMap in 1.2 which behaves as stack. So to get over this you
have to put the page that is shown in the iframe to separate pagemap.
You can change the pagemap in which wicket is created by either
specifying it in Page constructor or as URL parameter of
bookmarkablePages (wicket:pageMapName=myModalPageMap)
-Matej
Nili Adoram wrote:
Hi all,
I have an AjaxLink that opens a modal dialog (which is implemented as an
iframe that displays the URL of that link).
The link is embedded inside a ListView that refreshes itself every 30
seconds via ajax.
The URL of that link is generated of course by Ajax and include session
mapping parameters so it is not bookmarkable.
Whenever I click the link just before the table is refreshed, the target
of that link page is expired from session.
Is it possible to generate a bookmarkable ajax link ?
Thanks
Nili
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Re: [Wicket-user] Model and setObject?
Hmm, when doing further debug. It seems as the backing object are updated but not via the models setObject command. Is it supposed to work like that? Regards Nino From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Nino Wael Sent: 17. juli 2006 15:02 To: wicket-user@lists.sourceforge.net Subject: [Wicket-user] Model and setObject? Hi Starting this over again, trying to explain more clearly what im doing here. Ive created a AbstractModel that pretty much works as property model, only difference are that the setObject sets the object and does a little bit more. My model is attached to the wicket.extensions.markup.html.form.palette as the model representing user choices. The palette component consists of two listboxes and some buttons to move the selection, it moves the selection by _javascript_ so I have a submit button in my form aswell. My issue is that it seems as the models setObject are only called in the constructor, or when I explicitly call it? But I can clearly see that the palette gets updated correctly even if I switch pages. Regards Nino - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] PrependContextPathHandler for components?
Hi All, Just as an exercise, I created a custom image-component that rewrites the source attribute to link to my own image-handling servlet. By default, src-attributes in static HTML are corrected by PrependContextPathHandler to include the right servlet context. However, this behaviour is not available (by default) for components (read: my specific image component). How can I specify this behaviour for my components? Groet, -- Jan Willem Janssen, M.Sc. software engineer, Development __ Planon B.V. Wijchenseweg 8 6537 TL Nijmegen P.O. Box 38074 6503 AB Nijmegen The Netherlands T: +31 (0) 24 648 7662 F: +31 (0) 24 642 2942 E: [EMAIL PROTECTED] W: www.planon-fm.com Deze email en alle bijlagen zijn slechts voor gebruik door de beoogde ontvanger. De email kan intellectueel eigendom en/of vertrouwelijke informatie bevatten. Het mag niet worden gekopieerd, openbaar gemaakt, bewaard of gebruikt worden door anderen dan waarvoor deze bestemd is. Bent u niet de beoogde ontvanger,verwijdert u dan deze email met alle bijlagen en kopieën onmiddellijk en informeer de afzender. This e-mail and any attachment is for authorised use by the intended recipient(s) only. It may contain proprietary material, confidential information and/or be subject to legal privilege. It should not be copied, disclosed to, retained or used by, any other party. If you are not an intended recipient then please promptly delete this e-mail and any attachment and all copies and inform the sender. - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Radio, AJAX and Model: What ist he correct type for a radio button property model
the model of each radio returns the object that you want put into the model of the radiogroup so the type of both models is the samenew RadioGroup(foo, new PropertyModelPerson(this, person));
new Radio(bar, new Model(new Person(...)));so if you want the value to be preselected you have to put the right object inside the model of the radiogroup-Igor
On 7/17/06, Stefan Lindner [EMAIL PROTECTED] wrote:
Hi all,What ist he correct type for a radio button property model?I want to use RadioButtons with AJAX. I have found a hint in the mailinglist archive that I have to use RadioGroup and add an ajax event to each
Radio Object in the radio group. This works.But now: when I want one of the radio buttons to be preselected I needto bind a model to the radio button.Let's assume that I have HTML like this form wicket:id=form
span wicket:id=grouptable style=border: 2px dotted #fc0; width:400px; padding: 5px; trtd valign=topSelect a person/td
tdtable cellspacing=0cellpadding=2trtd wicket:id=persons
input type=radiowicket:id=radio/spanwicket:id=name[this is where name will be]/span/td
/tr/tablespan valign=top/span
/td...The java part looks like thisfinal RadioGroup group = newRadioGroup(group);Form form = new Form(form);
add(form);form.add(group);ListView persons = new ListView(persons,getPersons()) {protected void populateItem(ListItem
item) {Radio r = new Radio(radio,item.getModel());r.add(newAjaxEventBehavior(onchange) { protected void
onEvent(AjaxRequestTarget target) { System.out.println(-- +getComponent().getModelObject().toString);} });
item.add(r);item.add(new Label(name, newPropertyModel(item.getModel(), name)));}
};group.add(persons);This works well in one way: I can receive the AJAX event when a radiobutton is selectd.But now I want to have one radio buttln preselect when I display the
panel.When I try to add a PropertyModel to the radio buttonRadio r = new Radio(radio, new PropertyModel(item.getModel(),radio));I can see calls to getRadio in my ModelClass when the components are
rendered the first time. But when I klick into a radio butteln a classcast Exception is thrown. I tried a boolean, a Boolean and a String astype for the radio button but alway a class cast exception is thrown.
Now once again the question: What ist he correct type for a radio buttonproperty model and what ist he default value to have one radio buttonselected.-
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Re: [Wicket-user] Playing with models:) /wicket.extensions.markup.html.form.palette.Palette;
components whose model is backed by a collection do not always call setobject() because they work on the collection directly so there is no need to callCollection c=model.getObject();c.clear();//refill c
model.setObject(c); == NOOPand also in wicket there is a guardcomponent.setObject(c) { if (c.equals(model.getobject()) { //noop } else { //clone for version tracking; model.setObject
(c); }}the above saves on unnecessary cloning.just a few things to be aware of, whether or not we should call setobject() anyways is still up for discussion.i kinda think we should even though sometimes the objects are the same.
-Igor On 7/17/06, Nino Wael [EMAIL PROTECTED] wrote:
Strange then, it seems as the extension palette does not update on a submit? Does it somehow detach from its model?-Original Message-From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Eelco HilleniusSent: 17. juli 2006 12:14To:
wicket-user@lists.sourceforge.netSubject: Re: [Wicket-user] Playing with models:) /wicket.extensions.markup.html.form.palette.Palette; When is setObject supposed to get called, Cause I only see it get called during
construct?Whenever a (form)component has to update it's modelcontents. Or ifyou call setObject explicitly of course :() Typically, a componentupdate is done by Form, which visits all it's children and calls
updateModel on them.Eelco-Using Tomcat but need to do more? Need to support web services, security?Get stuff done quickly with pre-integrated technology to make your job easier
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Re: [Wicket-user] form's onsubmit handler
btw, when submitting a form through _javascript_ form's onsubmit is not called so you have to call it manually from the button anyways.-IgorOn 7/17/06,
Dorel Vaida [EMAIL PROTECTED] wrote:
It works, sorry, I was not paying enough attention. In the first phase Iwasn't looking to the right form, the the second phase I forgot to addthe 'return' in the 'onsubmit' form handlerCorrect is *add(new SimpleAttributeModifier(onsubmit, return
confirmSubmission()));* and it works with wicket 1.2 final.Sorry for the trouble.Dorel Vaida wrote: Eelco Hillenius wrote: Yeah do it like that. The form is submitted no matter what I return in submit button's
onclick. Eventually the solution would be to add a simple button and NOT a submit button and force submiting the form through _javascript_ when pressing the button.(Which I do not like).
I wouldn't know why attaching attribute modifiers to your form didn't work though... Me neither, that's why I asked. I thought that in some way onsubmit
attribute is blocked by wicket being reserved for it's own use, otherwise I do not see any reason why wicket wouldn't render a 'onsubmit' attribute as it renders the others that fortunately do work
:-(. From what I know returning false in the form's onsubmit is the standard way of elegantly preventing the form from being submitted. Eelco On 7/17/06, Matej Knopp
[EMAIL PROTECTED] wrote: I think you should add Button(s) to the form and add onclick attribute modifier on them (or right on to the markup input type=submit
wicket:id=submit confirm('...');/ ) -Matej Dorel Vaida wrote: I'm using wicket
1.2 final and trying to use the form's 'onsubmit' handler to prompt the user to confirm a message or not. I've tried to solve this by adding the onsubmit to the form with a
SimpleAttributeModifier but it doesn't work, the onsubmit attribute is simply not rendered ?! If this isn't the way a form is supposed to be used, can anybody point
to how can I do such a thing ? (Ask a user, 'do you really want to submit that form' when he presses submit) Thanks, Dorel
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[Wicket-user] Stream Excel to the client
Is there an easy way, (or an example :-)), of how to stream an Excel (application/vnd.ms-excel) to the client ? With the beta4 version it was working to write the bytes to wicket response's output stream and set the content disposition etc on the http servet response, but that seem not to work anymore. Thanks, Dorel - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] working with plugins
I'm afraid I don't get the request. Could you please create a feature
request with a patch, clearly explaining what is wrong today and what
your patch fixes?
Thanks,
Eelco
On 7/17/06, Ittay Dror [EMAIL PROTECTED] wrote:
Hi,
We're using plugins similar to Eclipse's to decouple functionality. Each
plugin's classes run in their own class loader.
We've encountered a problem in onNewBrowserWindow(). it uses
Objects.cloneObject(), which uses the default ObjectInputStream, that uses
the class loader associated with the execution stack, rather than the
object's. so trying to get the class of the object when reading it back fails.
This can be solved by changing cloneObject to:
public static Object cloneObject(final Object object)
{
if (object == null)
{
return null;
}
else
{
try
{
final ByteArrayOutputStream out = new
ByteArrayOutputStream(256);
ObjectOutputStream oos = new ObjectOutputStream(out);
oos.writeObject(object);
ObjectInputStream ois = new ObjectInputStream(new
ByteArrayInputStream(out
.toByteArray())) {
protected Class
resolveClass(ObjectStreamClass desc) throws IOException,
ClassNotFoundException {
String className = desc.getName();
return Class.forName(className, true,
object.getClass().getClassLoader()); }
};
return ois.readObject();
}
catch (ClassNotFoundException e)
{
throw new WicketRuntimeException(Internal error cloning
object, e);
}
catch (IOException e)
{
throw new WicketRuntimeException(Internal error cloning
object, e);
}
}
}
i think that it should work fine in this context since the object is already
accessible when writing it. it is working for us.
btw, a problem that is caused by this failure (and the throwing of
WicketRuntimeException) is that the PageMap contains null entries (or rather,
the session contains attributes with null values). i couldn't track why
exactly this happens.
regards,
ittay
--
===
Ittay Dror,
Chief architect, openQRM TL,
RD, Qlusters Inc.
[EMAIL PROTECTED]
+972-3-6081994 Fax: +972-3-6081841
http://www.openQRM.org
- Keeps your Data-Center Up and Running
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Re: [Wicket-user] Wicket Hibernate Application Transactions
I've been successful w/ exactly what Iman is concerned with - keeping objects alive between requests just isn't necessary. With detachable-models, you can request your POJOs - and they effectively become detached (outside of Hibernate session context). You can pass them between pages and persist them (putting them back into Hibernate session context) by using merge() if you've updated their values. I often save a round-trip by doing this w/ parent/child pages where I pass the POJO to the detail page to view the child after it had already been detached from the parent page. On 7/17/06, Nathan Hamblen [EMAIL PROTECTED] wrote: As others have pointed out, the magic of IModel works better than you think (or thought) it does. I often have two constructors for pages, one taking bookmarkable parameters and another taking an IModel so that I don't always have to reload DB objects page to page. It's a cinch. http://databinder.net/wsvn/Databinder/recipe/trunk/src/main/java/example/RecipeBook.java?op=file But I get your point, when you say that this method is mostly adapted to the old MVC style of web programming. You're right. The one-session-per-request style is the conventional wisdom that we should be questioning here on the cutting edge. On the other hand, we have to be careful of getting TOO far ahead of the curve. This listserv used to get about one question a week about Wicket's crazy practice of actually using the session store. Those Qs have turned into general concerns about about load, high volume, etc. The fact that Wicket has a system of detachable models that can repopulate themselves from DB each request cycle is enormously comforting to people. This system works very well and practically everyone uses it, but that shouldn't stop you from trying something else. Whatever you come up with just might be the way we all do it in a few years, when server resources dwarf those available today. I like IModels fine, and will like them even more when they're strongly typed, but I'll admit it would be easier to just pass around the objects they contain. Significantly easier for new users. So please do give it a shot. (I'm assuming your app is high-complexity, low-volume, or that you have small data objects.) I can't think of anything in Wicket that would slow you down, other than the minor annoyance of having to wrap objects in new Model(Serializable o) before passing them to some framework components. And let us know how it goes! Nathan Iman Rahmatizadeh wrote: The problem with #1 is, first its a bit ugly, second you discard every persistent instance in each cycle (which is less efficient than #2 or #3), third you lose the advantages of working passing POJO's between pages, Like you would call 'new ProfilePage(person.getId())' instead of 'new ProfilePage(person))' and retrieve the person from database again in the profile page. As Nathan said, despite the disadvantages, it's the easiest and the most straight forward, and mostly adapted to the old MVC style of web programming. With wicket, I would like to pass objects around to pages and methods, keep them in memory during the unit of work, and persist the changes at the end. The problem is I make a new Hibernate Session in each request cycle, so I have to re-attach the objects from the previous cycle to the new Hibernate Session each time (as in #2). This can get quite cumbersome and would easily get out of control. With all that said , I guess I'm alone in this case and everybody agrees on using #1. Still if anybody has any experience with #2 or #3, I would be happy to know about it. Iman - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Wicket Hibernate Application Transactions
while merge is good for saving the bigger concern is stale data. you pass your pojo to the component, store it as a property, and some request later you read its property - which at this point will be stale because the pojo is detached from the session. -IgorOn 7/17/06, Vincent Jenks [EMAIL PROTECTED] wrote: I've been successful w/ exactly what Iman is concerned with - keepingobjects alive between requests just isn't necessary.Withdetachable-models, you can request your POJOs - and they effectivelybecome detached (outside of Hibernate session context).You can pass them between pages and persist them (putting them back into Hibernatesession context) by using merge() if you've updated their values.I often save a round-trip by doing this w/ parent/child pages where I pass the POJO to the detail page to view the child after it hadalready been detached from the parent page.On 7/17/06, Nathan Hamblen [EMAIL PROTECTED] wrote: As others have pointed out, the magic of IModel works better than you think (or thought) it does. I often have two constructors for pages, one taking bookmarkable parameters and another taking an IModel so that I don't always have to reload DB objects page to page. It's a cinch. http://databinder.net/wsvn/Databinder/recipe/trunk/src/main/java/example/RecipeBook.java?op=file But I get your point, when you say that this method is mostly adapted to the old MVC style of web programming. You're right. The one-session-per-request style is the conventional wisdom that we should be questioning here on the cutting edge. On the other hand, we have to be careful of getting TOO far ahead of the curve. This listserv used to get about one question a week about Wicket's crazy practice of actually using the session store. Those Qs have turned into general concerns about about load, high volume, etc. The fact that Wicket has a system of detachable models that can repopulate themselves from DB each request cycle is enormously comforting to people. This system works very well and practically everyone uses it, but that shouldn't stop you from trying something else. Whatever you come up with just might be the way we all do it in a few years, when server resources dwarf those available today. I like IModels fine, and will like them even more when they're strongly typed, but I'll admit it would be easier to just pass around the objects they contain. Significantly easier for new users. So please do give it a shot. (I'm assuming your app is high-complexity, low-volume, or that you have small data objects.) I can't think of anything in Wicket that would slow you down, other than the minor annoyance of having to wrap objects in new Model(Serializable o) before passing them to some framework components. And let us know how it goes! Nathan Iman Rahmatizadeh wrote: The problem with #1 is, first its a bit ugly, second you discard every persistent instance in each cycle (which is less efficient than #2 or #3), third you lose the advantages of working passing POJO's between pages, Like you would call 'new ProfilePage(person.getId())' instead of 'new ProfilePage(person))' and retrieve the person from database again in the profile page. As Nathan said, despite the disadvantages, it's the easiest and the most straight forward, and mostly adapted to the old MVC style of web programming. With wicket, I would like to pass objects around to pages and methods, keep them in memory during the unit of work, and persist the changes at the end. The problem is I make a new Hibernate Session in each request cycle, so I have to re-attach the objects from the previous cycle to the new Hibernate Session each time (as in #2). This can get quite cumbersome and would easily get out of control. With all that said , I guess I'm alone in this case and everybody agrees on using #1. Still if anybody has any experience with #2 or #3, I would be happy to know about it. Iman - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user- Using Tomcat but need to do more? Need to support web services, security?Get stuff done quickly with pre-integrated technology to make your job easierDownload IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642___ Wicket-user mailing
[Wicket-user] ajax the wiki
I want to take my first dive into Ajax with Wicket. Can anyone point me to a useful page on the wiki... or elsewhere. Alternately, I've read through the example code and a simple pointer toward one example or another as best practices would be swell. Many thanks, Scott -- Scott Swank reformed mathematician - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] working with plugins
done. the request id is 1524019.
i've added more description of the problem and the solution. i think this may
happen also with osgi integration, or any other case where an object is used
that is found through a classloader different than the one wicket / tomcat is
in.
Eelco Hillenius wrote:
I'm afraid I don't get the request. Could you please create a feature
request with a patch, clearly explaining what is wrong today and what
your patch fixes?
Thanks,
Eelco
On 7/17/06, Ittay Dror [EMAIL PROTECTED] wrote:
Hi,
We're using plugins similar to Eclipse's to decouple functionality. Each
plugin's classes run in their own class loader.
We've encountered a problem in onNewBrowserWindow(). it uses
Objects.cloneObject(), which uses the default ObjectInputStream, that uses
the class loader associated with the execution stack, rather than the
object's. so trying to get the class of the object when reading it back
fails.
This can be solved by changing cloneObject to:
public static Object cloneObject(final Object object)
{
if (object == null)
{
return null;
}
else
{
try
{
final ByteArrayOutputStream out = new
ByteArrayOutputStream(256);
ObjectOutputStream oos = new ObjectOutputStream(out);
oos.writeObject(object);
ObjectInputStream ois = new ObjectInputStream(new
ByteArrayInputStream(out
.toByteArray())) {
protected Class
resolveClass(ObjectStreamClass desc) throws IOException,
ClassNotFoundException {
String className = desc.getName();
return Class.forName(className, true,
object.getClass().getClassLoader()); }
};
return ois.readObject();
}
catch (ClassNotFoundException e)
{
throw new WicketRuntimeException(Internal error cloning
object, e);
}
catch (IOException e)
{
throw new WicketRuntimeException(Internal error cloning
object, e);
}
}
}
i think that it should work fine in this context since the object is already
accessible when writing it. it is working for us.
btw, a problem that is caused by this failure (and the throwing of
WicketRuntimeException) is that the PageMap contains null entries (or
rather, the session contains attributes with null values). i couldn't track
why exactly this happens.
regards,
ittay
--
===
Ittay Dror,
Chief architect, openQRM TL,
RD, Qlusters Inc.
[EMAIL PROTECTED]
+972-3-6081994 Fax: +972-3-6081841
http://www.openQRM.org
- Keeps your Data-Center Up and Running
-
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
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--
===
Ittay Dror,
Chief architect, openQRM TL,
RD, Qlusters Inc.
[EMAIL PROTECTED]
+972-3-6081994 Fax: +972-3-6081841
http://www.openQRM.org
- Keeps your Data-Center Up and Running
-
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
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Re: [Wicket-user] working with plugins
we do have IClassResolver woudnt that help? it helped with osgi-IgorOn 7/17/06, Ittay Dror [EMAIL PROTECTED]
wrote:done. the request id is 1524019.i've added more description of the problem and the solution. i think this may happen also with osgi integration, or any other case where an object is used that is found through a classloader different than the one wicket / tomcat is in.
Eelco Hillenius wrote: I'm afraid I don't get the request. Could you please create a feature request with a patch, clearly explaining what is wrong today and what your patch fixes?
Thanks, Eelco On 7/17/06, Ittay Dror [EMAIL PROTECTED] wrote: Hi, We're using plugins similar to Eclipse's to decouple functionality. Each plugin's classes run in their own class loader.
We've encountered a problem in onNewBrowserWindow(). it uses Objects.cloneObject(), which uses the default ObjectInputStream, that uses the class loader associated with the execution stack, rather than the object's. so trying to get the class of the object when reading it back fails.
This can be solved by changing cloneObject to: public static Object cloneObject(final Object object){if (object == null){return null;
}else{try{final ByteArrayOutputStream out = new ByteArrayOutputStream(256);ObjectOutputStream oos = new ObjectOutputStream(out);
oos.writeObject(object);ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(out.toByteArray())) { protected Class resolveClass(ObjectStreamClass desc) throws IOException,
ClassNotFoundException {String className = desc.getName();return Class.forName(className, true, object.getClass().getClassLoader()); }
};return ois.readObject();}catch (ClassNotFoundException e){throw new WicketRuntimeException(Internal error cloning object, e);
}catch (IOException e){throw new WicketRuntimeException(Internal error cloning object, e);}
}} i think that it should work fine in this context since the object is already accessible when writing it. it is working for us. btw, a problem that is caused by this failure (and the throwing of WicketRuntimeException) is that the PageMap contains null entries (or rather, the session contains attributes with null values). i couldn't track why exactly this happens.
regards, ittay -- === Ittay Dror, Chief architect, openQRM TL, RD, Qlusters Inc.
[EMAIL PROTECTED] +972-3-6081994 Fax: +972-3-6081841 http://www.openQRM.org - Keeps your Data-Center Up and Running
- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier
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Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user--===
Ittay Dror,Chief architect, openQRM TL,RD, Qlusters Inc.[EMAIL PROTECTED]+972-3-6081994 Fax: +972-3-6081841http://www.openQRM.org
- Keeps your Data-Center Up and Running-Using Tomcat but need to do more? Need to support web services, security?Get stuff done quickly with pre-integrated technology to make your job easier
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Re: [Wicket-user] working with plugins
if the deserialization uses it, then maybe (i'm not sure how it is used). but
in our case, every Page subclass may be in its own class loader, separate from
others, so using a singleton IClassResolver instance will not help (unless it
delegates to all class loaders, which may cause havoc). i think that my
proposed solution is straight forward.
Igor Vaynberg wrote:
we do have IClassResolver woudnt that help? it helped with osgi
-Igor
On 7/17/06, *Ittay Dror* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
done. the request id is 1524019.
i've added more description of the problem and the solution. i think
this may happen also with osgi integration, or any other case where
an object is used that is found through a classloader different than
the one wicket / tomcat is in.
Eelco Hillenius wrote:
I'm afraid I don't get the request. Could you please create a feature
request with a patch, clearly explaining what is wrong today and what
your patch fixes?
Thanks,
Eelco
On 7/17/06, Ittay Dror [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Hi,
We're using plugins similar to Eclipse's to decouple
functionality. Each plugin's classes run in their own class loader.
We've encountered a problem in onNewBrowserWindow(). it uses
Objects.cloneObject(), which uses the default ObjectInputStream,
that uses the class loader associated with the execution stack,
rather than the object's. so trying to get the class of the object
when reading it back fails.
This can be solved by changing cloneObject to:
public static Object cloneObject(final Object object)
{
if (object == null)
{
return null;
}
else
{
try
{
final ByteArrayOutputStream out = new
ByteArrayOutputStream(256);
ObjectOutputStream oos = new
ObjectOutputStream(out);
oos.writeObject(object);
ObjectInputStream ois = new ObjectInputStream(new
ByteArrayInputStream(out
.toByteArray())) {
protected Class
resolveClass(ObjectStreamClass desc) throws IOException,
ClassNotFoundException {
String className = desc.getName();
return Class.forName(className, true,
object.getClass().getClassLoader()); }
};
return ois.readObject();
}
catch (ClassNotFoundException e)
{
throw new WicketRuntimeException(Internal error
cloning object, e);
}
catch (IOException e)
{
throw new WicketRuntimeException(Internal error
cloning object, e);
}
}
}
i think that it should work fine in this context since the
object is already accessible when writing it. it is working for us.
btw, a problem that is caused by this failure (and the throwing
of WicketRuntimeException) is that the PageMap contains null entries
(or rather, the session contains attributes with null values). i
couldn't track why exactly this happens.
regards,
ittay
--
===
Ittay Dror,
Chief architect, openQRM TL,
RD, Qlusters Inc.
[EMAIL PROTECTED] mailto:[EMAIL PROTECTED]
+972-3-6081994 Fax: +972-3-6081841
http://www.openQRM.org
- Keeps your Data-Center Up and Running
-
Using Tomcat but need to do more? Need to support web services,
security?
Get stuff done quickly with pre-integrated technology to make
your job easier
Download IBM WebSphere Application Server v.1.0.1 based on
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Re: [Wicket-user] ajax the wiki
Try checking out the AJAX examples: http://www.wicket-library.com/wicket-examples/ajax I think they are really useful. Frank On Mon, 2006-07-17 at 11:12 -0700, Scott Swank wrote: I want to take my first dive into Ajax with Wicket. Can anyone point me to a useful page on the wiki... or elsewhere. Alternately, I've read through the example code and a simple pointer toward one example or another as best practices would be swell. Many thanks, Scott - Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Wicket Hibernate Application Transactions
What's the risk of "stale" data? Primary concern would be that someone updated the record between the time that you read the data, and when you try to perform your own update. You can use the Hibernate / EJB3 strategy of optimistic locking with @Version (IIRC) to prevent stale data from accidental persistence. If you're without Hibernate, there are well defined patterns to help you code an OL solution. -jjk From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Igor VaynbergSent: Monday, July 17, 2006 10:52 AMTo: wicket-user@lists.sourceforge.netSubject: Re: [Wicket-user] Wicket Hibernate Application Transactions while merge is good for saving the bigger concern is stale data. you pass your pojo to the component, store it as a property, and some request later you read its property - which at this point will be stale because the pojo is detached from the session. -Igor On 7/17/06, Vincent Jenks [EMAIL PROTECTED] wrote: I've been successful w/ exactly what Iman is concerned with - keepingobjects alive between requests just isn't necessary.Withdetachable-models, you can request your POJOs - and they effectivelybecome detached (outside of Hibernate session context).You can pass them between pages and persist them (putting them back into Hibernatesession context) by using merge() if you've updated their values.I often save a round-trip by doing this w/ parent/child pages where Ipass the POJO to the detail page to view the child after it hadalready been detached from the parent page.On 7/17/06, Nathan Hamblen [EMAIL PROTECTED] wrote: As others have pointed out, the magic of IModel works better than you think (or thought) it does. I often have two constructors for pages, one taking bookmarkable parameters and another taking an IModel so that I don't always have to reload DB objects page to page. It's a cinch. http://databinder.net/wsvn/Databinder/recipe/trunk/src/main/java/example/RecipeBook.java?op=file But I get your point, when you say that this method is "mostly adapted to the old MVC style of web programming." You're right. The one-session-per-request style is the conventional wisdom that we should be questioning here on the cutting edge. On the other hand, we have to be careful of getting TOO far ahead of the curve. This listserv used to get about one question a week about Wicket's crazy practice of actually using the session store. Those Qs have turned into general concerns about about load, high volume, etc. The fact that Wicket has a system of detachable models that can repopulate themselves from DB each request cycle is enormously comforting to people. This system works very well and practically everyone uses it, but that shouldn't stop you from trying something else. Whatever you come up with just might be the way we all do it in a few years, when server resources dwarf those available today. I like IModels fine, and will like them even more when they're strongly typed, but I'll admit it would be easier to just pass around the objects they contain. Significantly easier for new users. So please do give it a shot. (I'm assuming your app is high-complexity, low-volume, or that you have small data objects.) I can't think of anything in Wicket that would slow you down, other than the minor annoyance of having to wrap objects in new Model(Serializable o) before passing them to some framework components. And let us know how it goes! Nathan Iman Rahmatizadeh wrote: The problem with #1 is, first its a bit ugly, second you discard every persistent instance in each cycle (which is less efficient than #2 or #3), third you lose the advantages of working passing POJO's between pages, Like you would call 'new ProfilePage(person.getId())' instead of 'new ProfilePage(person))' and retrieve the person from database again in the profile page. As Nathan said, despite the disadvantages, it's the easiest and the most straight forward, and mostly adapted to the old MVC style of web programming. With wicket, I would like to pass objects around to pages and methods, keep them in memory during the unit of work, and persist the changes at the end. The problem is I make a new Hibernate Session in each request cycle, so I have to re-attach the objects from the previous cycle to the new Hibernate Session each time (as in #2). This can get quite cumbersome and would easily get out of control. With all that said , I guess I'm alone in this case and everybody agrees on using #1. Still if anybody has any experience with #2 or #3, I would be happy to know about it. Iman - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job
Re: [Wicket-user] Radio, AJAX and Model: What ist he correct type for a radio button property model
This works very well. Thank you! - Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] Wicket in large scale production scenarios?
Hi there, we are planning to propose Wicket for a large scale migration project, and beside my previous question about the Swing compatibility (which I think after your nice hints is solveable, thanks!) I have some more questions - basically the usual sales and standard stuff: - is there any experience of Wicket performance in load tests? - are there any current large-scale production sites known that we could use as success stories? - is there any independent references on productivity of development with wicket? Thanks for any hints on this. Of course, once we get some projects behind it we can feed back more stuff, intended is the use together with the OPS4J OSGi-Wicket integration and RSP-UI, so there is a lot of good integration work coming in. /peter - Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] ListView#accept() proposal
I frequently have the need to filter the elements in a ListView.. of
course I can filter elements before passing them to ListView by creating
a new List, but it seems a lot cleaner to have an accept() method, just
like in IFeedbackMessageFilter or whatever.
ie:
add( new ListView( list, myList ) ) {
public void onPopulateItem( ListItem item ) { ... }
public boolean accept( ListItem item ) {
return ((MyEntity)item.getModel()).isActive();
}
}
Would this be trivial to add to the ListView component?
ie:
Aaron
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Re: [Wicket-user] ListView#accept() proposal
Just out of my head. Paging which is based on windows size and list
size would need to take these into consideration. Not sure this change
is trivial.
Juergen
On 7/18/06, Aaron Hiniker [EMAIL PROTECTED] wrote:
I frequently have the need to filter the elements in a ListView.. of
course I can filter elements before passing them to ListView by creating
a new List, but it seems a lot cleaner to have an accept() method, just
like in IFeedbackMessageFilter or whatever.
ie:
add( new ListView( list, myList ) ) {
public void onPopulateItem( ListItem item ) { ... }
public boolean accept( ListItem item ) {
return ((MyEntity)item.getModel()).isActive();
}
}
Would this be trivial to add to the ListView component?
ie:
Aaron
-
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Re: [Wicket-user] ListView#accept() proposal
the filtering should be performed in the model - it is the perfect place for it.-IgorOn 7/17/06, Juergen Donnerstag
[EMAIL PROTECTED] wrote:Just out of my head. Paging which is based on windows size and list
size would need to take these into consideration. Not sure this changeis trivial.JuergenOn 7/18/06, Aaron Hiniker [EMAIL PROTECTED] wrote:I frequently have the need to filter the elements in a ListView.. of
course I can filter elements before passing them to ListView by creatinga new List, but it seems a lot cleaner to have an accept() method, justlike in IFeedbackMessageFilter or whatever.
ie:add( new ListView( list, myList ) ) {public void onPopulateItem( ListItem item ) { ... }public boolean accept( ListItem item ) {return ((MyEntity)item.getModel()).isActive();
}}Would this be trivial to add to the ListView component?ie:Aaron -
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Re: [Wicket-user] ListView#accept() proposal
Yeah, there's no problem implementing this in the model, other than the fact that there will be a list copy.
Aaron
On Mon, 2006-07-17 at 17:02 -0700, Igor Vaynberg wrote:
the filtering should be performed in the model - it is the perfect place for it.
-Igor
On 7/17/06, Juergen Donnerstag [EMAIL PROTECTED] wrote:
Just out of my head. Paging which is based on windows size and list
size would need to take these into consideration. Not sure this change
is trivial.
Juergen
On 7/18/06, Aaron Hiniker [EMAIL PROTECTED] wrote:
I frequently have the need to filter the elements in a ListView.. of
course I can filter elements before passing them to ListView by creating
a new List, but it seems a lot cleaner to have an accept() method, just
like in IFeedbackMessageFilter or whatever.
ie:
add( new ListView( list, myList ) ) {
public void onPopulateItem( ListItem item ) { ... }
public boolean accept( ListItem item ) {
return ((MyEntity)item.getModel()).isActive();
}
}
Would this be trivial to add to the ListView component?
ie:
Aaron
-
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Re: [Wicket-user] ListView#accept() proposal
im sorry but why will there be a listcopy?that is certainly a way to go but its not the only way. from the model return a List interfcace that filters on the fly.-IgorOn 7/17/06,
Aaron Hiniker [EMAIL PROTECTED] wrote:
Yeah, there's no problem implementing this in the model, other than the fact that there will be a list copy.
Aaron
On Mon, 2006-07-17 at 17:02 -0700, Igor Vaynberg wrote:
the filtering should be performed in the model - it is the perfect place for it.
-Igor
On 7/17/06, Juergen Donnerstag
[EMAIL PROTECTED] wrote:
Just out of my head. Paging which is based on windows size and list
size would need to take these into consideration. Not sure this change
is trivial.
Juergen
On 7/18/06, Aaron Hiniker [EMAIL PROTECTED] wrote:
I frequently have the need to filter the elements in a ListView.. of
course I can filter elements before passing them to ListView by creating
a new List, but it seems a lot cleaner to have an accept() method, just
like in IFeedbackMessageFilter or whatever.
ie:
add( new ListView( list, myList ) ) {
public void onPopulateItem( ListItem item ) { ... }
public boolean accept( ListItem item ) {
return ((MyEntity)item.getModel()).isActive();
}
}
Would this be trivial to add to the ListView component?
ie:
Aaron
-
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Re: [Wicket-user] ListView#accept() proposal
Yes, a List implement that filters on the fly would avoid the copy, but probably incur greater performance hits than a single List copy (due to the Linked List nature of the filtering). The current ListView implementation only works on lists.. rightfully so because you can extract the active window via get() calls and provide pagination. On that note, I agree that for ListView, the accept() is not a good candidate.. but I also feel that there is a void in not having a component that *doesn't* paginate.. like a CollectionView.. that visits each element in the list with easy filtering capabilities (in fact 90% of the time I am using ListView I am not using pagination). If I get ambitious enough to write it, I'll submit it for consideration into wicket-extensions
Aaron
On Mon, 2006-07-17 at 17:40 -0700, Igor Vaynberg wrote:
im sorry but why will there be a listcopy?that is certainly a way to go but its not the only way. from the model return a List interfcace that filters on the fly.
-Igor
On 7/17/06, Aaron Hiniker [EMAIL PROTECTED] wrote:
Yeah, there's no problem implementing this in the model, other than the fact that there will be a list copy.
Aaron
On Mon, 2006-07-17 at 17:02 -0700, Igor Vaynberg wrote:
the filtering should be performed in the model - it is the perfect place for it.
-Igor
On 7/17/06, Juergen Donnerstag [EMAIL PROTECTED] wrote:
Just out of my head. Paging which is based on windows size and list
size would need to take these into consideration. Not sure this change
is trivial.
Juergen
On 7/18/06, Aaron Hiniker [EMAIL PROTECTED] wrote:
I frequently have the need to filter the elements in a ListView.. of
course I can filter elements before passing them to ListView by creating
a new List, but it seems a lot cleaner to have an accept() method, just
like in IFeedbackMessageFilter or whatever.
ie:
add( new ListView( list, myList ) ) {
public void onPopulateItem( ListItem item ) { ... }
public boolean accept( ListItem item ) {
return ((MyEntity)item.getModel()).isActive();
}
}
Would this be trivial to add to the ListView component?
ie:
Aaron
-
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Re: [Wicket-user] ListView#accept() proposal
another key reason for list is that the index of the list is used as a primary key to identify the right item on callbacks.-IgorOn 7/17/06, Aaron Hiniker
[EMAIL PROTECTED] wrote:
Yes, a List implement that filters on the fly would avoid the copy, but probably incur greater performance hits than a single List copy (due to the Linked List nature of the filtering). The current ListView implementation only works on lists.. rightfully so because you can extract the active window via get() calls and provide pagination. On that note, I agree that for ListView, the accept() is not a good candidate.. but I also feel that there is a void in not having a component that *doesn't* paginate.. like a CollectionView.. that visits each element in the list with easy filtering capabilities (in fact 90% of the time I am using ListView I am not using pagination). If I get ambitious enough to write it, I'll submit it for consideration into wicket-extensions
Aaron
On Mon, 2006-07-17 at 17:40 -0700, Igor Vaynberg wrote:
im sorry but why will there be a listcopy?that is certainly a way to go but its not the only way. from the model return a List interfcace that filters on the fly.
-Igor
On 7/17/06, Aaron Hiniker
[EMAIL PROTECTED] wrote:
Yeah, there's no problem implementing this in the model, other than the fact that there will be a list copy.
Aaron
On Mon, 2006-07-17 at 17:02 -0700, Igor Vaynberg wrote:
the filtering should be performed in the model - it is the perfect place for it.
-Igor
On 7/17/06, Juergen Donnerstag
[EMAIL PROTECTED] wrote:
Just out of my head. Paging which is based on windows size and list
size would need to take these into consideration. Not sure this change
is trivial.
Juergen
On 7/18/06, Aaron Hiniker [EMAIL PROTECTED]
wrote:
I frequently have the need to filter the elements in a ListView.. of
course I can filter elements before passing them to ListView by creating
a new List, but it seems a lot cleaner to have an accept() method, just
like in IFeedbackMessageFilter or whatever.
ie:
add( new ListView( list, myList ) ) {
public void onPopulateItem( ListItem item ) { ... }
public boolean accept( ListItem item ) {
return ((MyEntity)item.getModel()).isActive();
}
}
Would this be trivial to add to the ListView component?
ie:
Aaron
-
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Re: [Wicket-user] Stream Excel to the client
Igor, you rock ! :-D .
Igor Vaynberg wrote:
sure it does :)
private class DownloadEulaPdfLink extends Link {
public DownloadEulaPdfLink(String id) {
super(id);
}
@Override
public void onClick() {
RequestCycle.get().setRequestTarget(new IRequestTarget() {
public void detach(RequestCycle requestCycle) {
}
public Object getLock(RequestCycle requestCycle) {
return null;
}
public void respond(RequestCycle requestCycle) {
final String
pdfPath=/WEB-INF/eula/+props.getProperty(PROP_PDF);
InputStream pdfStream=getResourceAsStream(pdfPath);
if (pdfStream==null) {
throw new RuntimeException(Could not find PDF
file, tried [[+pdfPath+]]);
}
WebResponse r=(WebResponse)
requestCycle.getResponse();
r.setAttachmentHeader(eula.pdf);
r.setContentType(application/pdf);
try {
Streams.copy(pdfStream, r.getOutputStream());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
}
}
On 7/17/06, *Dorel Vaida* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Is there an easy way, (or an example :-)), of how to stream an Excel
(application/vnd.ms-excel) to the client ? With the beta4 version
it was
working to write the bytes to wicket response's output stream and set
the content disposition etc on the http servet response, but that
seem
not to work anymore.
Thanks,
Dorel
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