RE: ListView

[Chris Colman]

You are right - it turns out it was a detach problem and not a problem
with persisting the new object as I had initially assumed - this detach
problem was the reason why the query in the ORM returned no values for
the new object.

We use our Javelin tool to visually generate and manage wicket UI
classes. For the particular diagram that these new UI classes were in I
had neglected to configure it for "GUI classes bound to domain objects"
so it creates direct references to the domain objects instead of using
indirect 'model referencing' (IModel) classes - doh! Hence proper
detachment of these model objects was nor occuring.

Thanks for your help Sven.

> -Original Message-
> From: Sven Meier [mailto:s...@meiers.net] 
> Sent: Tuesday, 19 June 2018 6:25 AM
> To: users@wicket.apache.org
> Subject: Re: ListView
> 
> Adding the outer one should be sufficient.
> 
> I'd guess that you have a detach problem:
> During rendering of the Ajax response your inner 
> refreshingView is iterating over stale data, i.e. an empty list.
> Only after the following detach (e.g. when the page is 
> requested anew) it shows the actual data.
> 
> Have fun
> Sven
> 
> 
> Am 18.06.2018 um 22:11 schrieb Chris Colman:
> > Is a single ajaxtarget.add(outerWebMarkupContainer) 
> sufficient or do I 
> > somehow have to locate the inner WebMarkupContainer in the 
> right hand 
> > cell in the new row and add it to the Ajax target as well?
> >
> >> -Original Message-
> >> From: Sven Meier [mailto:s...@meiers.net]
> >> Sent: Tuesday, 19 June 2018 5:42 AM
> >> To: users@wicket.apache.org
> >> Subject: Re: ListView
> >>
> >> Hi Chris,
> >>
> >> I don't see a reason why your challenge shouldn't work.
> >>
> >> What happens if you reload the page (F5) after adding via Ajax? Do 
> >> the missing cells show up?
> >>
> >> Have fun
> >> Sven
> >>
> >>
> >>
> >> Am 18.06.2018 um 21:26 schrieb Chris Colman:
> >>> I have an interesting List related challenge - I'm using 
> >>> RefreshingView and having trouble when adding new rows.
> >>>
> >>> The problem is a repeating view within a repeating view
> >>>
> >>> i.e.
> >>>
> >>> I have a table with two columns.
> >>> Each row is populated by the RefreshingView.
> >>>
> >>> The cells in the right hand column contain their own wicket panel 
> >>> which contains a sub table with a single column table.
> >>> This sub table is populated via an inner RefreshingView.
> >>>
> >>> Eg.,
> >>>
> >>> Col 1   | Col 2
> >>> --
> >>> Name1   | Panel with sub table
> >>>   | Label 1.1
> >>>   | Label 1.2
> >>>   | Label 1.3
> >>> --
> >>> Name 2  | Panel with sub table
> >>>   | Label 2.1
> >>>   | Label 2.2
> >>> ---
> >>>
> >>> Etc.
> >>>
> >>> Both the outer RefreshingView and the inner view are wrapped in 
> >>> WebMarkupContainers.
> >>>
> >>> The outer refreshing view and each inner refreshing view render 
> >>> perfectly when the whole page is rendered but I have an 
> Ajax button 
> >>> that allows users to dynamically add new rows to the top
> >> level table
> >>> and the new entries don't render correctly.
> >>>
> >>> I add the outer RefreshingList's (containing the outer table) 
> >>> WebMarkupContainer to the Ajax target and Column 1 displays
> >> fine but
> >>> column 2 is left blank for new entries.
> >>>
> >>> Eg., if user adds a new row to above by clicking the Ajax
> >> button they
> >>> see:
> >>>
> >>> Col 1   | Col 2
> >>> --
> >>> Name1   | Panel with sub table
> >>>   | Label 1.1
> >>>   | Label 1.2
> >>>   | Label 1.3
> >>> --
> >>> Name 2  | Panel with sub table
> >>>   | Label 2.1
> >>>   | Label 2.2
> >>> ---
> >>> Name 3  |
> >>> ---
> >>>
> >>> I have set reuse strategy for both inner and outer
> >> RefressingViewS via:
> >>>
>

RE: ListView

[Chris Colman]

Problem solved - my bad!

After some detailed debugging it looks like the new model object had not
yet been persisted properly so the query to retrieve its values had
returned no results meaning that the model list was left empty...

So once again - an issue with how I wired up the underlying model
persistence and not an issue with the best Java UI framework in the
world!

Regards,
Chris

> -Original Message-
> From: Sven Meier [mailto:s...@meiers.net] 
> Sent: Tuesday, 19 June 2018 5:42 AM
> To: users@wicket.apache.org
> Subject: Re: ListView
> 
> Hi Chris,
> 
> I don't see a reason why your challenge shouldn't work.
> 
> What happens if you reload the page (F5) after adding via 
> Ajax? Do the missing cells show up?
> 
> Have fun
> Sven
> 
> 
> 
> Am 18.06.2018 um 21:26 schrieb Chris Colman:
> > I have an interesting List related challenge - I'm using 
> > RefreshingView and having trouble when adding new rows.
> >
> > The problem is a repeating view within a repeating view
> >
> > i.e.
> >
> > I have a table with two columns.
> > Each row is populated by the RefreshingView.
> >
> > The cells in the right hand column contain their own wicket panel 
> > which contains a sub table with a single column table.
> > This sub table is populated via an inner RefreshingView.
> >
> > Eg.,
> >
> > Col 1   | Col 2
> > --
> > Name1   | Panel with sub table
> >  | Label 1.1
> >  | Label 1.2
> >  | Label 1.3
> > --
> > Name 2  | Panel with sub table
> >  | Label 2.1
> >  | Label 2.2
> > ---
> >
> > Etc.
> >
> > Both the outer RefreshingView and the inner view are wrapped in 
> > WebMarkupContainers.
> >
> > The outer refreshing view and each inner refreshing view render 
> > perfectly when the whole page is rendered but I have an Ajax button 
> > that allows users to dynamically add new rows to the top 
> level table 
> > and the new entries don't render correctly.
> >
> > I add the outer RefreshingList's (containing the outer table) 
> > WebMarkupContainer to the Ajax target and Column 1 displays 
> fine but 
> > column 2 is left blank for new entries.
> >
> > Eg., if user adds a new row to above by clicking the Ajax 
> button they
> > see:
> >
> > Col 1   | Col 2
> > --
> > Name1   | Panel with sub table
> >  | Label 1.1
> >  | Label 1.2
> >  | Label 1.3
> > --
> > Name 2  | Panel with sub table
> >  | Label 2.1
> >  | Label 2.2
> > ---
> > Name 3  |
> > ---
> >
> > I have set reuse strategy for both inner and outer 
> RefressingViewS via:
> >
> >
> > setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());
> >
> > Debugging reveals that a new inner panel is constructed and its 
> > onInitialize method is called, however, the populateItem method is 
> > never called for it's inner RefreshingView.
> >
> > Is there something I've missed to cause the populateItem 
> method to be 
> > called to populate the new row fully or am I pushing the limits of 
> > what the RefreshingView was designed for by nesting them like this?
> >
> >> -Original Message-
> >> From: Martin Grigorov [mailto:mgrigo...@apache.org]
> >> Sent: Friday, 25 May 2018 8:12 AM
> >> To: users@wicket.apache.org
> >> Subject: Re: ListView
> >>
> >> On Thu, May 24, 2018 at 2:01 PM, JavaTraveler 
> >> 
> >> wrote:
> >>
> >>> Quickstart ?
> >>>
> >> a mini application showing the problem 
> >> https://wicket.apache.org/start/quickstart.html
> >>
> >>
> >>> --
> >>> Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-
> >>> f1842947.html
> >>>
> >>>
> >> 
> -
> >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >>> For additional commands, e-mail: users-h...@wicket.apache.org
> >>>
> >>>
> > 
> -
> > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > For additional commands, e-mail: users-h...@wicket.apache.org
> >
> 
> 
> -
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> 
> 

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Re: ListView

[Sven Meier]

Adding the outer one should be sufficient.

I'd guess that you have a detach problem:
During rendering of the Ajax response your inner refreshingView is 
iterating over stale data, i.e. an empty list.
Only after the following detach (e.g. when the page is requested anew) 
it shows the actual data.


Have fun
Sven


Am 18.06.2018 um 22:11 schrieb Chris Colman:

Is a single ajaxtarget.add(outerWebMarkupContainer) sufficient or do I
somehow have to locate the inner WebMarkupContainer in the right hand
cell in the new row and add it to the Ajax target as well?


-Original Message-
From: Sven Meier [mailto:s...@meiers.net]
Sent: Tuesday, 19 June 2018 5:42 AM
To: users@wicket.apache.org
Subject: Re: ListView

Hi Chris,

I don't see a reason why your challenge shouldn't work.

What happens if you reload the page (F5) after adding via
Ajax? Do the missing cells show up?

Have fun
Sven



Am 18.06.2018 um 21:26 schrieb Chris Colman:

I have an interesting List related challenge - I'm using
RefreshingView and having trouble when adding new rows.

The problem is a repeating view within a repeating view

i.e.

I have a table with two columns.
Each row is populated by the RefreshingView.

The cells in the right hand column contain their own wicket panel
which contains a sub table with a single column table.
This sub table is populated via an inner RefreshingView.

Eg.,

Col 1   | Col 2
--
Name1   | Panel with sub table
  | Label 1.1
  | Label 1.2
  | Label 1.3
--
Name 2  | Panel with sub table
  | Label 2.1
  | Label 2.2
---

Etc.

Both the outer RefreshingView and the inner view are wrapped in
WebMarkupContainers.

The outer refreshing view and each inner refreshing view render
perfectly when the whole page is rendered but I have an Ajax button
that allows users to dynamically add new rows to the top

level table

and the new entries don't render correctly.

I add the outer RefreshingList's (containing the outer table)
WebMarkupContainer to the Ajax target and Column 1 displays

fine but

column 2 is left blank for new entries.

Eg., if user adds a new row to above by clicking the Ajax

button they

see:

Col 1   | Col 2
--
Name1   | Panel with sub table
  | Label 1.1
  | Label 1.2
  | Label 1.3
--
Name 2  | Panel with sub table
  | Label 2.1
  | Label 2.2
---
Name 3  |
---

I have set reuse strategy for both inner and outer

RefressingViewS via:


setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());

Debugging reveals that a new inner panel is constructed and its
onInitialize method is called, however, the populateItem method is
never called for it's inner RefreshingView.

Is there something I've missed to cause the populateItem

method to be

called to populate the new row fully or am I pushing the limits of
what the RefreshingView was designed for by nesting them like this?


-Original Message-
From: Martin Grigorov [mailto:mgrigo...@apache.org]
Sent: Friday, 25 May 2018 8:12 AM
To: users@wicket.apache.org
Subject: Re: ListView

On Thu, May 24, 2018 at 2:01 PM, JavaTraveler

wrote:


Quickstart ?


a mini application showing the problem
https://wicket.apache.org/start/quickstart.html



--
Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-
f1842947.html



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RE: ListView

[Chris Colman]

Is a single ajaxtarget.add(outerWebMarkupContainer) sufficient or do I
somehow have to locate the inner WebMarkupContainer in the right hand
cell in the new row and add it to the Ajax target as well?

> -Original Message-
> From: Sven Meier [mailto:s...@meiers.net] 
> Sent: Tuesday, 19 June 2018 5:42 AM
> To: users@wicket.apache.org
> Subject: Re: ListView
> 
> Hi Chris,
> 
> I don't see a reason why your challenge shouldn't work.
> 
> What happens if you reload the page (F5) after adding via 
> Ajax? Do the missing cells show up?
> 
> Have fun
> Sven
> 
> 
> 
> Am 18.06.2018 um 21:26 schrieb Chris Colman:
> > I have an interesting List related challenge - I'm using 
> > RefreshingView and having trouble when adding new rows.
> >
> > The problem is a repeating view within a repeating view
> >
> > i.e.
> >
> > I have a table with two columns.
> > Each row is populated by the RefreshingView.
> >
> > The cells in the right hand column contain their own wicket panel 
> > which contains a sub table with a single column table.
> > This sub table is populated via an inner RefreshingView.
> >
> > Eg.,
> >
> > Col 1   | Col 2
> > --
> > Name1   | Panel with sub table
> >  | Label 1.1
> >  | Label 1.2
> >  | Label 1.3
> > --
> > Name 2  | Panel with sub table
> >  | Label 2.1
> >  | Label 2.2
> > ---
> >
> > Etc.
> >
> > Both the outer RefreshingView and the inner view are wrapped in 
> > WebMarkupContainers.
> >
> > The outer refreshing view and each inner refreshing view render 
> > perfectly when the whole page is rendered but I have an Ajax button 
> > that allows users to dynamically add new rows to the top 
> level table 
> > and the new entries don't render correctly.
> >
> > I add the outer RefreshingList's (containing the outer table) 
> > WebMarkupContainer to the Ajax target and Column 1 displays 
> fine but 
> > column 2 is left blank for new entries.
> >
> > Eg., if user adds a new row to above by clicking the Ajax 
> button they
> > see:
> >
> > Col 1   | Col 2
> > --
> > Name1   | Panel with sub table
> >  | Label 1.1
> >  | Label 1.2
> >  | Label 1.3
> > --
> > Name 2  | Panel with sub table
> >  | Label 2.1
> >  | Label 2.2
> > ---
> > Name 3  |
> > ---
> >
> > I have set reuse strategy for both inner and outer 
> RefressingViewS via:
> >
> >
> > setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());
> >
> > Debugging reveals that a new inner panel is constructed and its 
> > onInitialize method is called, however, the populateItem method is 
> > never called for it's inner RefreshingView.
> >
> > Is there something I've missed to cause the populateItem 
> method to be 
> > called to populate the new row fully or am I pushing the limits of 
> > what the RefreshingView was designed for by nesting them like this?
> >
> >> -Original Message-
> >> From: Martin Grigorov [mailto:mgrigo...@apache.org]
> >> Sent: Friday, 25 May 2018 8:12 AM
> >> To: users@wicket.apache.org
> >> Subject: Re: ListView
> >>
> >> On Thu, May 24, 2018 at 2:01 PM, JavaTraveler 
> >> 
> >> wrote:
> >>
> >>> Quickstart ?
> >>>
> >> a mini application showing the problem 
> >> https://wicket.apache.org/start/quickstart.html
> >>
> >>
> >>> --
> >>> Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-
> >>> f1842947.html
> >>>
> >>>
> >> 
> -
> >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >>> For additional commands, e-mail: users-h...@wicket.apache.org
> >>>
> >>>
> > 
> -
> > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > For additional commands, e-mail: users-h...@wicket.apache.org
> >
> 
> 
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
> 
> 

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RE: ListView

[Chris Colman]

Yes, the missing cells show up fine after an F5 page reload. 

> -Original Message-
> From: Sven Meier [mailto:s...@meiers.net] 
> Sent: Tuesday, 19 June 2018 5:42 AM
> To: users@wicket.apache.org
> Subject: Re: ListView
> 
> Hi Chris,
> 
> I don't see a reason why your challenge shouldn't work.
> 
> What happens if you reload the page (F5) after adding via 
> Ajax? Do the missing cells show up?
> 
> Have fun
> Sven
> 
> 
> 
> Am 18.06.2018 um 21:26 schrieb Chris Colman:
> > I have an interesting List related challenge - I'm using 
> > RefreshingView and having trouble when adding new rows.
> >
> > The problem is a repeating view within a repeating view
> >
> > i.e.
> >
> > I have a table with two columns.
> > Each row is populated by the RefreshingView.
> >
> > The cells in the right hand column contain their own wicket panel 
> > which contains a sub table with a single column table.
> > This sub table is populated via an inner RefreshingView.
> >
> > Eg.,
> >
> > Col 1   | Col 2
> > --
> > Name1   | Panel with sub table
> >  | Label 1.1
> >  | Label 1.2
> >  | Label 1.3
> > --
> > Name 2  | Panel with sub table
> >  | Label 2.1
> >  | Label 2.2
> > ---
> >
> > Etc.
> >
> > Both the outer RefreshingView and the inner view are wrapped in 
> > WebMarkupContainers.
> >
> > The outer refreshing view and each inner refreshing view render 
> > perfectly when the whole page is rendered but I have an Ajax button 
> > that allows users to dynamically add new rows to the top 
> level table 
> > and the new entries don't render correctly.
> >
> > I add the outer RefreshingList's (containing the outer table) 
> > WebMarkupContainer to the Ajax target and Column 1 displays 
> fine but 
> > column 2 is left blank for new entries.
> >
> > Eg., if user adds a new row to above by clicking the Ajax 
> button they
> > see:
> >
> > Col 1   | Col 2
> > --
> > Name1   | Panel with sub table
> >  | Label 1.1
> >  | Label 1.2
> >  | Label 1.3
> > --
> > Name 2  | Panel with sub table
> >  | Label 2.1
> >  | Label 2.2
> > ---
> > Name 3  |
> > ---
> >
> > I have set reuse strategy for both inner and outer 
> RefressingViewS via:
> >
> >
> > setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());
> >
> > Debugging reveals that a new inner panel is constructed and its 
> > onInitialize method is called, however, the populateItem method is 
> > never called for it's inner RefreshingView.
> >
> > Is there something I've missed to cause the populateItem 
> method to be 
> > called to populate the new row fully or am I pushing the limits of 
> > what the RefreshingView was designed for by nesting them like this?
> >
> >> -Original Message-
> >> From: Martin Grigorov [mailto:mgrigo...@apache.org]
> >> Sent: Friday, 25 May 2018 8:12 AM
> >> To: users@wicket.apache.org
> >> Subject: Re: ListView
> >>
> >> On Thu, May 24, 2018 at 2:01 PM, JavaTraveler 
> >> 
> >> wrote:
> >>
> >>> Quickstart ?
> >>>
> >> a mini application showing the problem 
> >> https://wicket.apache.org/start/quickstart.html
> >>
> >>
> >>> --
> >>> Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-
> >>> f1842947.html
> >>>
> >>>
> >> 
> -
> >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> >>> For additional commands, e-mail: users-h...@wicket.apache.org
> >>>
> >>>
> > 
> -
> > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > For additional commands, e-mail: users-h...@wicket.apache.org
> >
> 
> 
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
> 
> 

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Re: ListView

[Sven Meier]

Hi Chris,

I don't see a reason why your challenge shouldn't work.

What happens if you reload the page (F5) after adding via Ajax? Do the 
missing cells show up?


Have fun
Sven



Am 18.06.2018 um 21:26 schrieb Chris Colman:

I have an interesting List related challenge - I'm using RefreshingView
and having trouble when adding new rows.

The problem is a repeating view within a repeating view

i.e.

I have a table with two columns.
Each row is populated by the RefreshingView.

The cells in the right hand column contain their own wicket panel which
contains a sub table with a single column table.
This sub table is populated via an inner RefreshingView.

Eg.,

Col 1   | Col 2
--
Name1   | Panel with sub table
 | Label 1.1
 | Label 1.2
 | Label 1.3
--
Name 2  | Panel with sub table
 | Label 2.1
 | Label 2.2
---

Etc.

Both the outer RefreshingView and the inner view are wrapped in
WebMarkupContainers.

The outer refreshing view and each inner refreshing view render
perfectly when the whole page is rendered but I have an Ajax button that
allows users to dynamically add new rows to the top level table and the
new entries don't render correctly.

I add the outer RefreshingList's (containing the outer table)
WebMarkupContainer to the Ajax target and Column 1 displays fine but
column 2 is left blank for new entries.

Eg., if user adds a new row to above by clicking the Ajax button they
see:

Col 1   | Col 2
--
Name1   | Panel with sub table
 | Label 1.1
 | Label 1.2
 | Label 1.3
--
Name 2  | Panel with sub table
 | Label 2.1
 | Label 2.2
---
Name 3  |
---

I have set reuse strategy for both inner and outer RefressingViewS via:


setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());

Debugging reveals that a new inner panel is constructed and its
onInitialize method is called, however, the populateItem method is never
called for it's inner RefreshingView.

Is there something I've missed to cause the populateItem method to be
called to populate the new row fully or am I pushing the limits of what
the RefreshingView was designed for by nesting them like this?


-Original Message-
From: Martin Grigorov [mailto:mgrigo...@apache.org]
Sent: Friday, 25 May 2018 8:12 AM
To: users@wicket.apache.org
Subject: Re: ListView

On Thu, May 24, 2018 at 2:01 PM, JavaTraveler 
wrote:


Quickstart ?


a mini application showing the problem
https://wicket.apache.org/start/quickstart.html



--
Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-
f1842947.html



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-
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For additional commands, e-mail: users-h...@wicket.apache.org

RE: ListView

[Chris Colman]

I have an interesting List related challenge - I'm using RefreshingView
and having trouble when adding new rows.

The problem is a repeating view within a repeating view

i.e.

I have a table with two columns.
Each row is populated by the RefreshingView.

The cells in the right hand column contain their own wicket panel which
contains a sub table with a single column table.
This sub table is populated via an inner RefreshingView.

Eg.,

Col 1   | Col 2
--
Name1   | Panel with sub table
| Label 1.1
| Label 1.2
| Label 1.3
--
Name 2  | Panel with sub table
| Label 2.1
| Label 2.2
---

Etc.

Both the outer RefreshingView and the inner view are wrapped in
WebMarkupContainers.

The outer refreshing view and each inner refreshing view render
perfectly when the whole page is rendered but I have an Ajax button that
allows users to dynamically add new rows to the top level table and the
new entries don't render correctly.

I add the outer RefreshingList's (containing the outer table)
WebMarkupContainer to the Ajax target and Column 1 displays fine but
column 2 is left blank for new entries.

Eg., if user adds a new row to above by clicking the Ajax button they
see:

Col 1   | Col 2
--
Name1   | Panel with sub table
| Label 1.1
| Label 1.2
| Label 1.3
--
Name 2  | Panel with sub table
| Label 2.1
| Label 2.2
---
Name 3  | 
---

I have set reuse strategy for both inner and outer RefressingViewS via:


setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());

Debugging reveals that a new inner panel is constructed and its
onInitialize method is called, however, the populateItem method is never
called for it's inner RefreshingView.

Is there something I've missed to cause the populateItem method to be
called to populate the new row fully or am I pushing the limits of what
the RefreshingView was designed for by nesting them like this?

> -Original Message-
> From: Martin Grigorov [mailto:mgrigo...@apache.org] 
> Sent: Friday, 25 May 2018 8:12 AM
> To: users@wicket.apache.org
> Subject: Re: ListView
> 
> On Thu, May 24, 2018 at 2:01 PM, JavaTraveler 
> wrote:
> 
> > Quickstart ?
> >
> 
> a mini application showing the problem
> https://wicket.apache.org/start/quickstart.html
> 
> 
> >
> > --
> > Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-
> > f1842947.html
> >
> > 
> -
> > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > For additional commands, e-mail: users-h...@wicket.apache.org
> >
> >
> 

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Re: ListView

[Martin Grigorov]

On Thu, May 24, 2018 at 2:01 PM, JavaTraveler 
wrote:

> Quickstart ?
>

a mini application showing the problem
https://wicket.apache.org/start/quickstart.html


>
> --
> Sent from: http://apache-wicket.1842946.n4.nabble.com/Users-forum-
> f1842947.html
>
> -
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>
>

Re: ListView

[JavaTraveler]

Quickstart ?

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Re: ListView

[Maxim Solodovnik]

Could you share quickstart?

WBR, Maxim
(from mobile, sorry for the typos)

On Thu, May 24, 2018, 17:28 JavaTraveler  wrote:

> Hello !
>
> So no sorry, it does not work.
> The solution of Maxim does nothing different.
> And the one from Sven makes a mistake since my ListView needs a list of
> pieces, and pieceModel is just a Piece.
>
> Any other solutions ?
>
> --
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Re: ListView

[JavaTraveler]

Hello !

So no sorry, it does not work.
The solution of Maxim does nothing different.
And the one from Sven makes a mistake since my ListView needs a list of
pieces, and pieceModel is just a Piece.

Any other solutions ?

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Re: ListView

[JavaTraveler]

Ok, so I managed to pass the piecesModel !
Thank you, it seems to be working :)

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Re: ListView

[Sven Meier]

Hi,

pass a model with the pieces to the listView, this way it will always 
renderContexrRelative an up-to-date list.

new ListView("pieceView", piecesModel)

Have fun
Sven

Am 23. Mai 2018 16:19:11 MESZ schrieb JavaTraveler :
>Hello,
>
>Does anyone know how to update a listView with an ajaxButton, after
>it's
>construction when it was empty ?
>For now, I have this :
>
>final ListView pieceView = new ListView("pieceView",
>pieces)
>{
>   /**
>* 
>*/
>   private static final long serialVersionUID = 
> 1569632937178977468L;
>
>   @Override
>   protected void populateItem(ListItem item) {
>   item.add(new Label("refPiece", new 
> PropertyModel(item.getModel(),
>"refPiece")));
>   }
>   };
>   pieceView.setOutputMarkupId(true);
>
>   
>   final WebMarkupContainer wmc = new WebMarkupContainer("wmc");
>   wmc.setOutputMarkupId(true);
>   
>   wmc.add(new AjaxSelfUpdatingTimerBehavior(Duration.seconds(5)));
>
>   wmc.add(pieceView);
>   
>   
>   final AjaxButton button2 = new AjaxButton("rechercheModele"){
>   /**
>* 
>*/
>   private static final long serialVersionUID = 
> -4334196093047066924L;
>
>   @Override
>   public void onSubmit(AjaxRequestTarget target, Form 
> formF) {
>   super.onSubmit(target, formF);
>   
>   libPieces.clear();
>   
>   pieces = pieceDAO.getByMod(modeleModel);
>   
>   for (int i = 0; i < pieces.size(); i++) {
>   libPieces.add(i, 
> pieces.get(i).getRefPiece());
>   }   
>   
>   target.add(wmc.add(pieceView));
>   
>   target.add(piece);
>   }
>
>
>
>I made something similar with a dropdownchoice which works perfectly. I
>guess I'm doing something wrong. But I can't put my finger on it.
>
>Can anyone help me ?
>
>--
>Sent from:
>http://apache-wicket.1842946.n4.nabble.com/Users-forum-f1842947.html
>
>-
>To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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Re: ListView

[Maxim Solodovnik]

You need to change your code a little:

1) pieceView.setOutputMarkupId(true); is not necessary
2) target.add(wmc); instead of target.add(wmc.add(pieceView));

should work as expected :)

On Wed, May 23, 2018 at 9:19 PM, JavaTraveler  wrote:
> Hello,
>
> Does anyone know how to update a listView with an ajaxButton, after it's
> construction when it was empty ?
> For now, I have this :
>
>  final ListView pieceView = new ListView("pieceView", pieces)
> {
> /**
>  *
>  */
> private static final long serialVersionUID = 
> 1569632937178977468L;
>
> @Override
> protected void populateItem(ListItem item) {
> item.add(new Label("refPiece", new 
> PropertyModel(item.getModel(),
> "refPiece")));
> }
> };
> pieceView.setOutputMarkupId(true);
>
>
> final WebMarkupContainer wmc = new WebMarkupContainer("wmc");
> wmc.setOutputMarkupId(true);
>
> wmc.add(new 
> AjaxSelfUpdatingTimerBehavior(Duration.seconds(5)));
>
> wmc.add(pieceView);
>
>
> final AjaxButton button2 = new AjaxButton("rechercheModele"){
> /**
>  *
>  */
> private static final long serialVersionUID = 
> -4334196093047066924L;
>
> @Override
> public void onSubmit(AjaxRequestTarget target, 
> Form formF) {
> super.onSubmit(target, formF);
>
> libPieces.clear();
>
> pieces = pieceDAO.getByMod(modeleModel);
>
> for (int i = 0; i < pieces.size(); i++) {
> libPieces.add(i, 
> pieces.get(i).getRefPiece());
> }
>
> target.add(wmc.add(pieceView));
>
> target.add(piece);
> }
>
>
>
> I made something similar with a dropdownchoice which works perfectly. I
> guess I'm doing something wrong. But I can't put my finger on it.
>
> Can anyone help me ?
>
> --
> Sent from: 
> http://apache-wicket.1842946.n4.nabble.com/Users-forum-f1842947.html
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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>



-- 
WBR
Maxim aka solomax

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Re: ListView Add/Remove via AJAX...

[Carl-Eric Menzel]

Hi James,

Some time ago I wrote this:

https://github.com/duesenklipper/wicket-appendablerepeater

It should work with forms. If not, let me know.

Best regards
Carl-Eric

On 27.03.2018 14:42, James Carman wrote:

It has been a while since I've used Wicket and man, I really forgot how
much I love this framework! It may be that I'm rusty, but I've searched
quite a bit and tried all the suggestions I've found, but I can't seem to
make add/remove via AJAX work for a ListView while preserving the input
data. I am using Wicket 8.0.0-M9. Here's what I've done so far:

correctChoiceGroup = new CheckGroup<>("correctChoices",
Model.ofSet(Sets.newHashSet()));
correctChoiceGroup.setRequired(true);
correctChoiceGroup.setOutputMarkupId(true);
correctChoiceGroup.setRenderBodyOnly(false);

final IModel choicesModel = Model.ofList(new LinkedList<>());
choicesView = new ListView("choices", choicesModel) {
 @Override
 protected void populateItem(ListItem item) {
 final int index = item.getIndex();

 item.add(new TextField<>("field", item.getModel()));
 item.add(new Check<>("check", Model.of(index)));

 final AjaxSubmitLink deleteLink = new AjaxSubmitLink("deleteButton") {
 @Override
 @SuppressWarnings("unchecked")
 protected void onSubmit(AjaxRequestTarget target) {
 final ListView listView = findParent(ListView.class);
 listView.getModelObject().remove(index);
 listView.removeAll();
 target.add(correctChoiceGroup);
 }
 };
 deleteLink.setDefaultFormProcessing(false);
 item.add(deleteLink);
 }
}.setReuseItems(true);


correctChoiceGroup.add(choicesView);

add(new AjaxSubmitLink("addButton") {
 @Override
 protected void onSubmit(AjaxRequestTarget target) {
 choicesView.getModelObject().add("");
 choicesView.removeAll();
 target.add(correctChoiceGroup);
 }
}.setDefaultFormProcessing(false));

add(correctChoiceGroup);


When I click on the delete link (I have a similarly-implemented "add" link
outside of the ListView), all of the input data goes away, since I am
losing the original items from the removeAll() call.  Now, I am doing the
removeAll() to force Wicket to realize that I've changed the underlying
list, otherwise, the original items are reused and the it always looks like
the last item is removed.  I'm sure I'm just rusty, but I am banging my
head on this one.

Thanks,

James



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Re: ListView Add/Remove via AJAX...

[Ernesto Reinaldo Barreiro]

Hi James,

Welcome back... Still remember you from old times in list :-)

On Tue, Mar 27, 2018 at 2:42 PM, James Carman 
wrote:

> It has been a while since I've used Wicket and man, I really forgot how
> much I love this framework! It may be that I'm rusty, but I've searched
> quite a bit and tried all the suggestions I've found, but I can't seem to
> make add/remove via AJAX work for a ListView while preserving the input
> data. I am using Wicket 8.0.0-M9. Here's what I've done so far:
>
> correctChoiceGroup = new CheckGroup<>("correctChoices",
> Model.ofSet(Sets.newHashSet()));
> correctChoiceGroup.setRequired(true);
> correctChoiceGroup.setOutputMarkupId(true);
> correctChoiceGroup.setRenderBodyOnly(false);
>
> final IModel choicesModel = Model.ofList(new LinkedList<>());
> choicesView = new ListView("choices", choicesModel) {
> @Override
> protected void populateItem(ListItem item) {
> final int index = item.getIndex();
>
> item.add(new TextField<>("field", item.getModel()));
> item.add(new Check<>("check", Model.of(index)));
>
> final AjaxSubmitLink deleteLink = new
> AjaxSubmitLink("deleteButton") {
> @Override
> @SuppressWarnings("unchecked")
> protected void onSubmit(AjaxRequestTarget target) {
> final ListView listView = findParent(ListView.class);
> listView.getModelObject().remove(index);
> listView.removeAll();
> target.add(correctChoiceGroup);
> }
> };
> deleteLink.setDefaultFormProcessing(false);
> item.add(deleteLink);
> }
> }.setReuseItems(true);
>
>
> correctChoiceGroup.add(choicesView);
>
> add(new AjaxSubmitLink("addButton") {
> @Override
> protected void onSubmit(AjaxRequestTarget target) {
> choicesView.getModelObject().add("");
> choicesView.removeAll();
> target.add(correctChoiceGroup);
> }
> }.setDefaultFormProcessing(false));
>
> add(correctChoiceGroup);
>
>
> When I click on the delete link (I have a similarly-implemented "add" link
> outside of the ListView), all of the input data goes away, since I am
> losing the original items from the removeAll() call.  Now, I am doing the
> removeAll() to force Wicket to realize that I've changed the underlying
> list, otherwise, the original items are reused and the it always looks like
> the last item is removed.  I'm sure I'm just rusty, but I am banging my
> head on this one.
>
> Thanks,
>
> James
>



-- 
Regards - Ernesto Reinaldo Barreiro

Re: ListView Add/Remove via AJAX...

[Martin Grigorov]

Hi James,

The best explanation for adding items via Ajax you could read at
http://wicketinaction.com/2008/10/repainting-only-newly-created-repeater-items-via-ajax/
Removing an item should be easier if the ListItems have id.

On Tue, Mar 27, 2018 at 3:42 PM, James Carman 
wrote:

> It has been a while since I've used Wicket and man, I really forgot how
> much I love this framework! It may be that I'm rusty, but I've searched
> quite a bit and tried all the suggestions I've found, but I can't seem to
> make add/remove via AJAX work for a ListView while preserving the input
> data. I am using Wicket 8.0.0-M9. Here's what I've done so far:
>
> correctChoiceGroup = new CheckGroup<>("correctChoices",
> Model.ofSet(Sets.newHashSet()));
> correctChoiceGroup.setRequired(true);
> correctChoiceGroup.setOutputMarkupId(true);
> correctChoiceGroup.setRenderBodyOnly(false);
>
> final IModel choicesModel = Model.ofList(new LinkedList<>());
> choicesView = new ListView("choices", choicesModel) {
> @Override
> protected void populateItem(ListItem item) {
> final int index = item.getIndex();
>
> item.add(new TextField<>("field", item.getModel()));
> item.add(new Check<>("check", Model.of(index)));
>
> final AjaxSubmitLink deleteLink = new
> AjaxSubmitLink("deleteButton") {
> @Override
> @SuppressWarnings("unchecked")
> protected void onSubmit(AjaxRequestTarget target) {
> final ListView listView = findParent(ListView.class);
> listView.getModelObject().remove(index);
> listView.removeAll();
> target.add(correctChoiceGroup);
> }
> };
> deleteLink.setDefaultFormProcessing(false);
> item.add(deleteLink);
> }
> }.setReuseItems(true);
>
>
> correctChoiceGroup.add(choicesView);
>
> add(new AjaxSubmitLink("addButton") {
> @Override
> protected void onSubmit(AjaxRequestTarget target) {
> choicesView.getModelObject().add("");
> choicesView.removeAll();
> target.add(correctChoiceGroup);
> }
> }.setDefaultFormProcessing(false));
>
> add(correctChoiceGroup);
>
>
> When I click on the delete link (I have a similarly-implemented "add" link
> outside of the ListView), all of the input data goes away, since I am
> losing the original items from the removeAll() call.  Now, I am doing the
> removeAll() to force Wicket to realize that I've changed the underlying
> list, otherwise, the original items are reused and the it always looks like
> the last item is removed.  I'm sure I'm just rusty, but I am banging my
> head on this one.
>
> Thanks,
>
> James
>

Re: ListView color background lineitem dinamically not working

[ganea iulia]

Thank you, it's great!

On Thu, Mar 16, 2017 at 1:05 PM, Sven Meier  wrote:

> Hi,
>
> you'll have to add two MarkupContainers and style both :
>
>   
> 
>   ...
>   ...
>
>
>   protected void populateItem(ListItem item) {
> WebMarkupContainer firstRow = new WebMarkupContainer("firstRow") {
>   @Override
>   protected void onComponentTag(final ComponentTag tag) {
>   Items line = item.getModelObject();
>   if (line.getIdLn() == 6)
> tag.put("style", "background-color:green");
>   else if (line.getIdLn() == 4 )
> tag.put("style", "background-color:red");
>
>   // continue with default behavior
>   super.onComponentTag(tag);
> };
> item.add(firstRow);
>
> firstRow.add(...
>
> WebMarkupContainer secondRow = ...;
>   }
>
> Best regards
> Sven
>
>
> On 16.03.2017 11:39, ganea iulia wrote:
>
>> Thank you so much for you explanation.
>> I had to put the two  inside the  because I need to
>> repeat every two rows.
>> Do you have any hint on how to do it and still be able to change the
>> color?
>>
>>
>>
>> On Thu, Mar 16, 2017 at 12:36 PM, ganea iulia 
>> wrote:
>>
>> Thank you so much for you explanation.
>>> I had to put the two  inside the  because I need to
>>> repeat every two rows.
>>>
>>>
>>>
>>> On Thu, Mar 16, 2017 at 11:26 AM, Sven Meier  wrote:
>>>
>>> Hi,

 it seems your ListView is bound to the >>> wicket:id="forEachItem"> tag, which cannot be styled.

 Change your markup to:


  

 Have fun
 Sven


 On 16.03.2017 09:58, ganea iulia wrote:

 Hello,
>
> I have a listview and I want to dinamically color some of the rows
> (items).
> But it is not working, nothing gets colored when it should.
>
> *Here is the markup:*
> 
> 
> 
> 
> [item1]
> [item2]
> [item3]
> [item4]
> [item5]
> [item6]
> [item7]
> [item8]
> [item9]
> [item10]
> 
> 
>  cols="100">Area
> 
>
> 
> 
>
> *Here is the code:*
>
> @Override
> protected ListItem newItem(final int index, IModel
> model) {
> return new ListItem(index, getListItemModel(getModel(), index))
> {
>
> @Override
> protected void onComponentTag(final ComponentTag tag) {
> Items line = getModelObject();
> if (line.getIdLn() == 6)
> tag.put("style", "background-color:green");
> else if (line.getIdLn() == 4 )
> tag.put("style", "background-color:red");
>
> // continue with default behavior
> super.onComponentTag(tag);
>
> }
> };
> }
>
> Could you please advise?
>
>
> -
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>
> -
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>
>

Re: ListView color background lineitem dinamically not working

[Sven Meier]

Hi,

you'll have to add two MarkupContainers and style both :

  

  ...
  ...


  protected void populateItem(ListItem item) {
WebMarkupContainer firstRow = new WebMarkupContainer("firstRow") {
  @Override
  protected void onComponentTag(final ComponentTag tag) {
  Items line = item.getModelObject();
  if (line.getIdLn() == 6)
tag.put("style", "background-color:green");
  else if (line.getIdLn() == 4 )
tag.put("style", "background-color:red");

  // continue with default behavior
  super.onComponentTag(tag);
};
item.add(firstRow);

firstRow.add(...

WebMarkupContainer secondRow = ...;
  }

Best regards
Sven

On 16.03.2017 11:39, ganea iulia wrote:

Thank you so much for you explanation.
I had to put the two  inside the  because I need to
repeat every two rows.
Do you have any hint on how to do it and still be able to change the color?



On Thu, Mar 16, 2017 at 12:36 PM, ganea iulia 
wrote:


Thank you so much for you explanation.
I had to put the two  inside the  because I need to
repeat every two rows.



On Thu, Mar 16, 2017 at 11:26 AM, Sven Meier  wrote:


Hi,

it seems your ListView is bound to the  tag, which cannot be styled.

Change your markup to:

   
 

Have fun
Sven


On 16.03.2017 09:58, ganea iulia wrote:


Hello,

I have a listview and I want to dinamically color some of the rows
(items).
But it is not working, nothing gets colored when it should.

*Here is the markup:*




[item1]
[item2]
[item3]
[item4]
[item5]
[item6]
[item7]
[item8]
[item9]
[item10]


Area

   



*Here is the code:*

@Override
protected ListItem newItem(final int index, IModel model) {
return new ListItem(index, getListItemModel(getModel(), index)) {

@Override
protected void onComponentTag(final ComponentTag tag) {
Items line = getModelObject();
if (line.getIdLn() == 6)
tag.put("style", "background-color:green");
else if (line.getIdLn() == 4 )
tag.put("style", "background-color:red");

// continue with default behavior
super.onComponentTag(tag);

}
};
}

Could you please advise?



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Re: ListView color background lineitem dinamically not working

[ganea iulia]

Thank you so much for you explanation.
I had to put the two  inside the  because I need to
repeat every two rows.
Do you have any hint on how to do it and still be able to change the color?



On Thu, Mar 16, 2017 at 12:36 PM, ganea iulia 
wrote:

> Thank you so much for you explanation.
> I had to put the two  inside the  because I need to
> repeat every two rows.
>
>
>
> On Thu, Mar 16, 2017 at 11:26 AM, Sven Meier  wrote:
>
>> Hi,
>>
>> it seems your ListView is bound to the > wicket:id="forEachItem"> tag, which cannot be styled.
>>
>> Change your markup to:
>>
>>   
>> 
>>
>> Have fun
>> Sven
>>
>>
>> On 16.03.2017 09:58, ganea iulia wrote:
>>
>>> Hello,
>>>
>>> I have a listview and I want to dinamically color some of the rows
>>> (items).
>>> But it is not working, nothing gets colored when it should.
>>>
>>> *Here is the markup:*
>>> 
>>> 
>>> 
>>> 
>>> [item1]
>>> [item2]
>>> [item3]
>>> [item4]
>>> [item5]
>>> [item6]
>>> [item7]
>>> [item8]
>>> [item9]
>>> [item10]
>>> 
>>> 
>>> >> cols="100">Area
>>> 
>>>   
>>> 
>>> 
>>>
>>> *Here is the code:*
>>>
>>> @Override
>>> protected ListItem newItem(final int index, IModel model) {
>>> return new ListItem(index, getListItemModel(getModel(), index)) {
>>>
>>> @Override
>>> protected void onComponentTag(final ComponentTag tag) {
>>> Items line = getModelObject();
>>> if (line.getIdLn() == 6)
>>> tag.put("style", "background-color:green");
>>> else if (line.getIdLn() == 4 )
>>> tag.put("style", "background-color:red");
>>>
>>> // continue with default behavior
>>> super.onComponentTag(tag);
>>>
>>> }
>>> };
>>> }
>>>
>>> Could you please advise?
>>>
>>>
>>
>> -
>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> For additional commands, e-mail: users-h...@wicket.apache.org
>>
>>
>

Re: ListView color background lineitem dinamically not working

[ganea iulia]

Thank you so much for you explanation.
I had to put the two  inside the  because I need to
repeat every two rows.



On Thu, Mar 16, 2017 at 11:26 AM, Sven Meier  wrote:

> Hi,
>
> it seems your ListView is bound to the  wicket:id="forEachItem"> tag, which cannot be styled.
>
> Change your markup to:
>
>   
> 
>
> Have fun
> Sven
>
>
> On 16.03.2017 09:58, ganea iulia wrote:
>
>> Hello,
>>
>> I have a listview and I want to dinamically color some of the rows
>> (items).
>> But it is not working, nothing gets colored when it should.
>>
>> *Here is the markup:*
>> 
>> 
>> 
>> 
>> [item1]
>> [item2]
>> [item3]
>> [item4]
>> [item5]
>> [item6]
>> [item7]
>> [item8]
>> [item9]
>> [item10]
>> 
>> 
>> > cols="100">Area
>> 
>>   
>> 
>> 
>>
>> *Here is the code:*
>>
>> @Override
>> protected ListItem newItem(final int index, IModel model) {
>> return new ListItem(index, getListItemModel(getModel(), index)) {
>>
>> @Override
>> protected void onComponentTag(final ComponentTag tag) {
>> Items line = getModelObject();
>> if (line.getIdLn() == 6)
>> tag.put("style", "background-color:green");
>> else if (line.getIdLn() == 4 )
>> tag.put("style", "background-color:red");
>>
>> // continue with default behavior
>> super.onComponentTag(tag);
>>
>> }
>> };
>> }
>>
>> Could you please advise?
>>
>>
>
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Re: ListView color background lineitem dinamically not working

[Sven Meier]

Hi,

it seems your ListView is bound to the wicket:id="forEachItem"> tag, which cannot be styled.


Change your markup to:

  


Have fun
Sven


On 16.03.2017 09:58, ganea iulia wrote:

Hello,

I have a listview and I want to dinamically color some of the rows (items).
But it is not working, nothing gets colored when it should.

*Here is the markup:*




[item1]
[item2]
[item3]
[item4]
[item5]
[item6]
[item7]
[item8]
[item9]
[item10]


Area

  



*Here is the code:*

@Override
protected ListItem newItem(final int index, IModel model) {
return new ListItem(index, getListItemModel(getModel(), index)) {

@Override
protected void onComponentTag(final ComponentTag tag) {
Items line = getModelObject();
if (line.getIdLn() == 6)
tag.put("style", "background-color:green");
else if (line.getIdLn() == 4 )
tag.put("style", "background-color:red");

// continue with default behavior
super.onComponentTag(tag);

}
};
}

Could you please advise?




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Re: ListView color background lineitem dinamically not working

[Martin Grigorov]

Hi,

The problem is at:



You need the  to be Wicket component.
 is not rendered at Production mode.

Martin Grigorov
Wicket Training and Consulting
https://twitter.com/mtgrigorov

On Thu, Mar 16, 2017 at 9:58 AM, ganea iulia  wrote:

> Hello,
>
> I have a listview and I want to dinamically color some of the rows (items).
> But it is not working, nothing gets colored when it should.
>
> *Here is the markup:*
> 
> 
> 
> 
> [item1]
> [item2]
> [item3]
> [item4]
> [item5]
> [item6]
> [item7]
> [item8]
> [item9]
> [item10]
> 
> 
>  cols="100">Area
> 
>  
> 
> 
>
> *Here is the code:*
>
> @Override
> protected ListItem newItem(final int index, IModel model) {
> return new ListItem(index, getListItemModel(getModel(), index)) {
>
> @Override
> protected void onComponentTag(final ComponentTag tag) {
> Items line = getModelObject();
> if (line.getIdLn() == 6)
> tag.put("style", "background-color:green");
> else if (line.getIdLn() == 4 )
> tag.put("style", "background-color:red");
>
> // continue with default behavior
> super.onComponentTag(tag);
>
> }
> };
> }
>
> Could you please advise?
>

Re: ListView vs. RefreshingView and the meaning of the word 'refreshing'

[Sven Meier]

Hi,

yes, ListView and RefreshingView are quite similar.

ListView is a repeater implementation from Wicket's very early days: it 
works on a list of objects - wrapped in a model of course, as you'd 
expect it from a proper Wicket component.


RefreshingView doesn't care where the objects to iterate over come from: 
getItemModels() provides a list of models of objects, something you can 
get from a dataProvider.
"Refreshing" is related to "create a fresh component" for each new 
model, i.e. a model for which a component hasn't been created before.


Have fun
Sven


On 08.08.2016 12:08, Davids Patrick wrote:

Hi all,
a question, I have in mind since about 3 years but I never asked... ;-)
Don't know why, now, I do...

ListViews and RefreshingViews are very similar.

Especially due to the default flag setReuseItems false of ListView, they both behave 
"refreshing" to me.
(populating items is called each request)

So, now my question(s)...
Does the word "Refreshing" is more related to the method getItemModels(...) of 
RefreshingView?
Does it mean, fetching a "fresh" new model implementation of the particular 
item?
Or does it mean fetching a "fresh" new component instance of the particular 
item?
Or does it mean always reading "fresh" data of some "dataprovider"/listmodel?

best regards
Patrick

Health AG | Patrick Davids | Softwareentwickler
Tel. +49 40 524 709-258 | p.dav...@healthag.de
Fax +49 40 524 709-258 | www.healthag.de


EOS Health Honorarmanagement AG | Lübeckertordamm 1–3 | 20099 Hamburg | AG 
Hamburg HRB 93806
Vorstand | Jens Törper, Uwe Schäfer
Aufsichtsratsvorsitzender | Klaus Engberding

Save a tree – think before you print.



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Re: listview with check box does not update model when checked

[Sven Meier]

Hi,

sorry but I don't understand your problem.

You'll have to simplify your code, or it will be difficult to give you any
advice.
Creating a quickstart would be a good way to show what you want to achieve.

Regards
Sven

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Re: ListView - onComponentTag

[Sven Meier]

Hi,

ListView uses its markup tag to render each of its items and is not 
visible in the output by itself - thus it doesn't contribute anything to 
the component tag.


Sven



On 03/10/2014 07:19 PM, Nick Pratt wrote:

Is there any reason why onComponentTag() wouldn't be invoked on a ListView:

ListViewUser users = new ListViewUser( team-members, usersModel )
  {
@Override
protected void onComponentTag( ComponentTag tag )
  {
super.onComponentTag( tag );
int i = 0;
  }
...


I set a breakpoint on 'int i =0'; but its never hit - either on initial
page render or when the containing Panel is refreshed via Ajax. None of the
child behaviors attached to the ListView are triggered either (no
onComponentTag execution)
Wicket 6.14.0

N




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Re: ListView remove a row by SubmitLink always move the last one

[always_rick]

Sven, I forgot.  

code:
-
ListView listView = new ListView( users, users ) {

@Override
protected void populateItem( final ListItem item ) {
item.setDefaultModel( 
new CompoundPropertyModel( 
item.getModelObject() ) );
item.add( new TextFieldString( firstName ) 
);
item.add( new TextFieldString( lastName ) );

item.add( //removeLink( remove, item ) );
  new SubmitLink( remove, 
item.getModel() ) {
private static final 
long serialVersionUID = 1L;

@Override
public void onSubmit() {
// copy from ListView  
removeLink
addStateChange();
item.modelChanging();
getList().remove( 
item.getIndex() );
modelChanged();
removeAll();
}
}.setDefaultFormProcessing( false ) );
}
}



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Re: ListView remove a row by SubmitLink always move the last one

[Sven Meier]

First of all don't pull something out of a model and put it into another 
model:


   item.setDefaultModel(new CompoundPropertyModel( 
item.getModelObject() ) );


Do this instead:

   item.setDefaultModel(new CompoundPropertyModel( item.getModel() ) );

Perhaps this is the reason: the textfields are showing stale data.

Sven


On 06/28/2013 11:20 AM, always_rick wrote:

Sven, I forgot.

code:
-
ListView listView = new ListView( users, users ) {

@Override
protected void populateItem( final ListItem item ) {
item.setDefaultModel(
new CompoundPropertyModel( 
item.getModelObject() ) );
item.add( new TextFieldString( firstName ) 
);
item.add( new TextFieldString( lastName ) );

item.add( //removeLink( remove, item ) );
  new SubmitLink( remove, 
item.getModel() ) {
private static final 
long serialVersionUID = 1L;

@Override
public void onSubmit() {
// copy from ListView  
removeLink
addStateChange();
item.modelChanging();
getList().remove( 
item.getIndex() );
modelChanged();
removeAll();
}
}.setDefaultFormProcessing( false ) );
}
}



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Re: ListView remove a row by SubmitLink always move the last one

[always_rick]

Thank you for quick response.

I tried what you suggested, no luck.

What I think is clicking remove link (SubmitLink), form memorizes input
data, then remove row.





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Re: ListView remove a row by SubmitLink always move the last one

[Sven Meier]

Sorry, I'm out of ideas. If you can create a quickstart, I'll debug the 
problem.


Sven

On 06/28/2013 12:43 PM, always_rick wrote:

Thank you for quick response.

I tried what you suggested, no luck.

What I think is clicking remove link (SubmitLink), form memorizes input
data, then remove row.





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Re: ListView remove a row by SubmitLink always move the last one

[always_rick]

ListPage.html
http://apache-wicket.1842946.n4.nabble.com/file/n4659905/ListPage.html  
ListPage.java
http://apache-wicket.1842946.n4.nabble.com/file/n4659905/ListPage.java  
User.java
http://apache-wicket.1842946.n4.nabble.com/file/n4659905/User.java  

Hi Sven, it is odd. When I was building the quickstart, SubmitLink acts like
removeLink. It was directly copied for the code. I am going to review my
code on weekend. 



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Re: ListView remove a row by SubmitLink always move the last one

[always_rick]

Hi Sven, I review my code and api. I misunderstood the
setDefaultFormProcessing( false ). Simply removing that method, then it
works.  Now I am thinking of a way to skip validation, and process form
updating.




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Re: ListView remove a row by SubmitLink always move the last one

[Sven Meier]

You'll have to show us some code.

Sven

On 06/26/2013 08:33 AM, always_rick wrote:

Hi all,

I have a form of inputs (ListView).

I firstly tried the removeLink, it was working. Because it is a normal link,
it simply don't keep the other rows inputs. Obviously, it does not meet the
requirement. I thought SubmitLink was good, but it always removed the last
row. I clearly see the index is correct, but result is incorrect.

I searched this forum and google, and found the a few answers, none of them
worked in my case.

Could some one please help?


p.s.  I set setReuseItems(true) 'coz wicket api said, If you nest a
ListView in a Form, always set this property to true, as otherwise
validation will not work properly., which is correct.






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Re: ListView does not repaint inside WebMarcupContainer using AjaxLink

[vineet semwal]

ajax repainting will not work with wicket:container or
setrenderbodyonly(true)  as in that case component tag is not rendered in
html.another way is repainting grand(er) parent which doesn't have
setrenderbodyonly(true) or wicket:container


On Sun, Mar 17, 2013 at 3:22 PM, meduolis meduol...@gmail.com wrote:

 Hi, does anybody knows how to repaint ListView properly using AjaxLink?

 This
 https://cwiki.apache.org/WICKET/how-to-repaint-a-listview-via-ajax.html
 https://cwiki.apache.org/WICKET/how-to-repaint-a-listview-via-ajax.html
 does not work for me.

 If I use Link, everything works. But not with AjaxLink. Help, please

 ===
 Markup:


 ===
 Java:


 ===



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Vineet Semwal

Re: Listview Checkbox checked by default and disapearing after submit

[Pat]

Thank you so much, I would never have found that! Everything works perfectly
now

cheers



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Re: Listview Checkbox checked by default and disapearing after submit

[Sven Meier]

this.checkGroup = new CheckGroup(checkgroup, new 
CompoundPropertyModel(this.someList));
...
this.listView = new ListViewString[](someList, new 
CompoundPropertyModel(this.someList))


Do you really want the list to iterate over the checked items only?
I'd expect these components to use different lists: one for all selected and 
one for all available

Sven



On 12/07/2012 08:04 PM, Pat wrote:

Hi,

I have searched for this problem and read many entries but I can't seem to
figure it out. I have two problems:

1. When instantiate my ListView with Check checkboxes they are always
checked by default. I can't manage to uncheck them by default.

2. Once I have chosen items from my list via the checkboxes and submitted
the form depending on how many checkboxes have been checked, that amount of
rows just disappears from the bottom of my list. It doesn't matter which
boxes I check, it's always the rows from the bottom up that disappear.

It would be really great if anyone could help, thanks you in advance.

Here is my code:

// initialize CheckGroup
 this.checkGroup = new CheckGroup(checkgroup, new
CompoundPropertyModel(this.someList));
 someForm.add(checkGroup);
 
 // initialize ListView

 this.listView = new ListViewString[](someList, new
CompoundPropertyModel(this.someList)) {

 @Override
 protected void populateItem(ListItem item) {
 String[] array = (String[]) item.getModelObject();
 item.add(new Check(checkbox, item.getModel()));
 item.add(new Label(label1, array[0]));
 item.add(new Label(label2, array[1]));
 item.add(new Label(label3, array[2]));
 }
 };
 this.listView.setReuseItems(true);
 checkGroup.add(this.listView);


protected void onSubmit() {
 LinkedListString[] list =
((LinkedListString[])checkGroup.getModelObject());
 
 for(int i=0; ilist.size(); i++) {

 //do stuff with the list
 }
 };



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Re: Listview containing links not working, when created through AJAX update

[Martin Grigorov]

Hi,

On Tue, Oct 9, 2012 at 4:26 PM, Anders Sørensen aisz...@gmail.com wrote:
 I have an application which worked in Wicket 1.5.x, but something seems to
 be broken, after updating to 6.1.1.



 I have a table listing machines on the left side. When an item is clicked, I
 update a table on the right using AJAX.

 This updated table contains a lot of AjaxLinks, but none of the them works.



 Clicking them triggers nothing. Nothing happens in my Firebug console.



 Looking at the ajax-response in Firebug, I see no header-contribution
 element in the response.

 I would expect, to see lines like this, in the header-contribution of the
 ajax-response, but nothing:



 Wicket.Ajax.ajax({u:./?3-4.IBehaviorListener.0-tabs-panel-list-computerli
 st.table-computerlist.table_body-computerlist.table.row-0-computerlist.table
 .row.link,e:click,c:idcd1});;


Those should be in evaluate tags in the Ajax response, not in
header-contirbution which is used to load more .js/.css resources.



 Is this a bug, or have I missed something while upgrading from 1.5. til
 6.1.1?

If you can reproduce it in a quickstart then please attach it to a
ticket in Jira.




 Best regards



 Ais




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Training, Consulting, Development
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Re: ListView (or other Repeater) with backing map

[Carl-Eric Menzel]

On Mon, 30 Apr 2012 10:25:21 -0700 (PDT)
cmagnollay cmagnol...@gmail.com wrote:

 So essentially I want to use Wicket 1.5 to display an item and its
 associated quantity. The data structure I am using to back this is a
 Map (new HashMap()) where Item is a POJ whose details are of no
 consequence. Essentially I would like to use one of wicket's
 repeaters, but I only have experience using ListView. Is there a
 repeater that would work well with a Map, or am I going to need to
 code my own? If I need to code my own, what is the best class to
 override?
 
 The List has has key-value pairs of type: Item-Integer where
 integer is the quantity.

I'd just use Map#entrySet, which gives you a
SetMap.EntryItem,Integer. You can turn that into a list and feed it
to a ListViewMap.EntryItem,Integer. That way you have an Entry in
each ListItem and can simply use its two parts.

Hope this helps.

Carl-Eric

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Re: ListView (or other Repeater) with backing map

[cmagnollay]

if the map is called something like 

MapItem, Integer itemMap = new HashMapItem, Integer();

Hmm, so I would instantiate the ListView like so?

ListViewListlt;Map.Entrylt;Item, Integer lv = new
ListViewListlt;Map.Entrylt;Item, Integer(id, new
PropertyModelListlt;Map.Entrylt;Item, Integer(this,
itemMap.entrySet()){


populateItem(Map.EntryItem, Integer entry)
{

}

}

Is this what you are implying somewhat? Thanks for the answer by the way, I
had not considered just, for lack of a better term, fooling the listview
into using my map elements.

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Re: ListView (or other Repeater) with backing map

[Carl-Eric Menzel]

On Mon, 30 Apr 2012 10:43:30 -0700 (PDT)
cmagnollay cmagnol...@gmail.com wrote:

 if the map is called something like 
 
 MapItem, Integer itemMap = new HashMapItem, Integer();
 
 Hmm, so I would instantiate the ListView like so?
 [...]
 Is this what you are implying somewhat? Thanks for the answer by the
 way, I had not considered just, for lack of a better term, fooling
 the listview into using my map elements.

Basically yes, though the propertymodel won't work like that. I'd do
something like this (pseudocode):

MapItem,Integer itemMap = ...;

IModelListMap.EntryItem,Integer mapListModel = new
  LoadableDetachableModel() {
load() {
   return new ArrayList...(itemMap.entrySet());
}
  };

...new ListViewMap.Entry...(id, mapListModel) {
  populateItem(ListItemItem,Integer li) {
  ...
  }
}

Carl-Eric

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Re: ListView (or other Repeater) with backing map

[cmagnollay]

And I can force the model to update, via AJAX, or in other words, how I force
the list view to update after a user action?

onUpdate(AjaxRequestTarget target)
{
  target.add(theListView) ??
}

or is it something I do with the model itself? Sorry, I have no experience
with LoadableDetachable, and a quick glance at the API did not enlighten me.
My guess would be to give the listview a new model on each trigger of the
AJAX code.

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Re: ListView (or other Repeater) with backing map

[Dan Retzlaff]

You can call LDM#detach() after the modification, but since this particular
implementation is so light, I'd just use AbstractReadyOnlyModel instead. It
doesn't cache, so detach is not required.

On Mon, Apr 30, 2012 at 11:36 AM, cmagnollay cmagnol...@gmail.com wrote:

 And I can force the model to update, via AJAX, or in other words, how I
 force
 the list view to update after a user action?

 onUpdate(AjaxRequestTarget target)
 {
  target.add(theListView) ??
 }

 or is it something I do with the model itself? Sorry, I have no experience
 with LoadableDetachable, and a quick glance at the API did not enlighten
 me.
 My guess would be to give the listview a new model on each trigger of the
 AJAX code.

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Re: ListView (or other Repeater) with backing map

[Carl-Eric Menzel]

On Mon, 30 Apr 2012 11:38:36 -0700
Dan Retzlaff dretzl...@gmail.com wrote:

 You can call LDM#detach() after the modification, but since this
 particular implementation is so light, I'd just use
 AbstractReadyOnlyModel instead. It doesn't cache, so detach is not
 required.

Actually, getObject() can be called pretty often, so that would incur
the cost of creating the new List object *each time*. I would really
use the LDM. Since in my example the LDM is passed directly into the
ListView as its default model, the ListView will take care of
detaching [1].

cmagnollay, that means that on each render you should simply see
whatever is currently in your map, so it should be up to date on its
own without further action.

An LDM calls the load() method the first time its getObject() is
called. The value you return from load() will be cached until detach()
is called on the LDM. The normal usecase is to do an expensive
operation (load from DB, create a lot of objects, etc) only once in a
request but to still have fresh data in each request. Also it reduces
session size because the cached data is not kept between requests.

Hope this helps!
Carl-Eric

[1] Carl-Eric's rule of detaching models: *always* do one of the
following:
  - detach the model yourself
  - pass the model to one of your child components or your
superclass, thus making it that code's responsibility.

You never know what model implementation you might be getting as a
parameter. Be nice to whoever calls you.

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Re: ListView (or other Repeater) with backing map

[Dan Retzlaff]

I assumed the action phase would dereference the ListItemModel (e.g. to
remove it from the map), hence dereference the LDM, and then require the
explicit detach() before rendering. Agreed that LDM is the way to go if
you're concerned about the ArrayList constructions.

On Mon, Apr 30, 2012 at 11:57 AM, Carl-Eric Menzel cmen...@wicketbuch.dewrote:

 On Mon, 30 Apr 2012 11:38:36 -0700
 Dan Retzlaff dretzl...@gmail.com wrote:

  You can call LDM#detach() after the modification, but since this
  particular implementation is so light, I'd just use
  AbstractReadyOnlyModel instead. It doesn't cache, so detach is not
  required.

 Actually, getObject() can be called pretty often, so that would incur
 the cost of creating the new List object *each time*. I would really
 use the LDM. Since in my example the LDM is passed directly into the
 ListView as its default model, the ListView will take care of
 detaching [1].

 cmagnollay, that means that on each render you should simply see
 whatever is currently in your map, so it should be up to date on its
 own without further action.

 An LDM calls the load() method the first time its getObject() is
 called. The value you return from load() will be cached until detach()
 is called on the LDM. The normal usecase is to do an expensive
 operation (load from DB, create a lot of objects, etc) only once in a
 request but to still have fresh data in each request. Also it reduces
 session size because the cached data is not kept between requests.

 Hope this helps!
 Carl-Eric

 [1] Carl-Eric's rule of detaching models: *always* do one of the
following:
  - detach the model yourself
  - pass the model to one of your child components or your
superclass, thus making it that code's responsibility.

You never know what model implementation you might be getting as a
parameter. Be nice to whoever calls you.

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Re: ListView (or other Repeater) with backing map

[cmagnollay]

Thank for you all for the response. I am trying to test that code but am
having a different separate issue at the moment. Your solutions however
worked exactly as intended. Thank you for all the help!

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Re: ListView (or other Repeater) with backing map

[Carl-Eric Menzel]

On Mon, 30 Apr 2012 12:15:20 -0700
Dan Retzlaff dretzl...@gmail.com wrote:

 I assumed the action phase would dereference the ListItemModel (e.g.
 to remove it from the map), hence dereference the LDM, and then
 require the explicit detach() before rendering. Agreed that LDM is
 the way to go if you're concerned about the ArrayList constructions.

That assumption depends very much on the code you give the model to.
Many places will simply call getObject() instead of keeping a reference
to whatever is inside. PropertyModel is one of them that is very
commonly used.

Carl-Eric

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Re: ListView not refreshed after a new row is inserted with EJB3 as its backend data

[Per Newgro]

Use a LoadableDetachableModelListUser in the ListView Constructor.
Put all the load loading into the load method and see what happens.

Cheers
Per

Am 19.01.2012 07:49, schrieb x.yang:

Hello, Everyone,

I am trying to build a web app with Wicket, EJB3, and MySQL. My IDE is
Netbeans 6.9.1 and the server is Glassfish 3.1.

I have created two entity beans 'Centre' and 'User', and one Centre has many
User(s). I also created two Facades for them.

The Wicket page used to list the Users is as below:


class ListUsers extends WebPage {

 @EJB(name = UserFacade)
 private UserFacade userFacade;

 public ListUsers(Centre c) {
 ListUser  users;
 if (c == null) {
 users = userFacade.findAll();
 } else {
 users = new ArrayListUser(c.getUserCollection());
 }
 final ListViewUser  list = new ListViewUser(eachUser, users) {

 @Override
 protected void populateItem(ListItem item) {
 final User user = (User) item.getModelObject();
 item.add(new Label(username, user.getUsername()));
 item.add(new Label(fullname, user.getFullname()));
 item.add(new Label(email, user.getEmail()));
 item.add(new Label(centreid, user.getCentre().getName()));
 }
 };
 add(list);
 }
}
-

The page to add a User is following:


 public AddUser(Centre c) {
 user = new User();
 user.setCentre(c);
 FormAddUser  form = new FormAddUser(AddUser) {

 @Override
 protected void onSubmit() {
 userFacade.create(user);
 }
 };

 form.add(new TextFieldString(username,
 new PropertyModel(user, username)).setRequired(true));

 PasswordTextField tf_password = new PasswordTextField(password,
 new PropertyModel(user, hashedPassword));
 form.add(tf_password);

 form.add(new TextFieldString(fullname,
 new PropertyModel(user, fullname)).setRequired(true));

 TextField tf_email = new TextFieldString(email,
 new PropertyModel(user, email));
 form.add(tf_email);

 LoadableDetachableModel centres = new LoadableDetachableModel() {

 @Override
 protected Object load() {
 return centreFacade.findAll();
 }
 };
 DropDownChoiceCentre  ddc = new DropDownChoiceCentre(centreid,
 new PropertyModelCentre(user, centre), centres,
 new ChoiceRendererCentre(name, name));

 form.add(ddc.setRequired(true));

 add(form);
 }
}



The problem is I can't see the newly added User in the list with
getUserCollection() method of Centre, but I do see the new User if I use
userFacade.findAll() method. Could you please help me and point me to the
right direction? I am quite new to Wicket and EJB3. Any comments are welcom.
Thanks a lot.

Yang



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Re: ListView inside a ListView

[Peter Karich]

   add(new ListViewAllocation(allocation, 
 allocationListModel) {
shouldn't this be item.add ?

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Re: ListView inside a ListView

[Scott Swank]

For clarity, I would rename the ListItems:

protected void populateItem(final ListItemAsset assetItem) {
   assetItem.add(new Label(...));
   assetItem.add(new ListViewAllocation(...) {
  protected void populateItem(ListItemAllocation allocationItem) {
 allocationItem.add(new Label(...));
  }
   }
}


On Wed, May 25, 2011 at 10:39 AM, Peter Karich peat...@yahoo.de wrote:

                               add(new ListViewAllocation(allocation, 
 allocationListModel) {
 shouldn't this be item.add ?

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Re: ListView inside a ListView

[kinnu410]

Thank you so much!!! It worked Silly mistakes cost a lot!!! Thanks
again!!

On Wed, May 25, 2011 at 1:40 PM, Peter Karich [via Apache Wicket] 
ml-node+3550472-1465528180-240...@n4.nabble.com wrote:


  add(new ListViewAllocation(allocation, allocationListModel) {
 shouldn't this be item.add ?

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Re: ListView inside a ListView

[kinnu410]

Will do that now!! Got it worked!!!
Thanks a lot!!!


On Wed, May 25, 2011 at 1:47 PM, scott.swank [via Apache Wicket] 
ml-node+3550491-1122803921-240...@n4.nabble.com wrote:

 For clarity, I would rename the ListItems:

 protected void populateItem(final ListItemAsset assetItem) {
assetItem.add(new Label(...));
assetItem.add(new ListViewAllocation(...) {
   protected void populateItem(ListItemAllocation allocationItem) {
  allocationItem.add(new Label(...));
   }
}
 }


 On Wed, May 25, 2011 at 10:39 AM, Peter Karich [hidden 
 email]http://user/SendEmail.jtp?type=nodenode=3550491i=0
 wrote:
 
add(new ListViewAllocation(allocation,
 allocationListModel) {
  shouldn't this be item.add ?
 
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Re: Listview gives mysterious log info

[Bas Gooren]

Sounds like you are calling setOutputMarkupId on a container.

So I googled your error message and founr WICKET-3237 
(https://issues.apache.org/jira/browse/WICKET-3237)


Bas

Op 30-3-2011 8:54, nino martinez wael schreef:

Listview gives mysterious log info what does it mean? This feels a bit
like deja vu but I could'nt find my post so forgive me i am double
posting ..



2011-03-29 15:27:32,316 WARN  [org.apache.wicket.Component]  - Markup
id set on a component that is usually not rendered into markup. Markup
id: triggerSchedule23, component id: triggerSchedule, component tag:
container.
2011-03-29 15:27:32,348 WARN  [org.apache.wicket.Component]  - Markup
id set on a component that is usually not rendered into markup. Markup
id: triggerSchedule26, component id: triggerSchedule, component tag:
container.
2011-03-29 15:27:32,363 WARN  [org.apache.wicket.Component]  - Markup
id set on a component that is usually not rendered into markup. Markup
id: triggerSchedule29, component id: triggerSchedule, component tag:
container.
2011-03-29 15:27:32,379 WARN  [org.apache.wicket.Component]  - Markup
id set on a component that is usually not rendered into markup. Markup
id: triggerSchedule2c, component id: triggerSchedule, component tag:
container.
2011-03-29 15:27:32,410 WARN  [org.apache.wicket.Component]  - Markup
id set on a component that is usually not rendered into markup. Markup
id: triggerSchedule2f, component id: triggerSchedule, component tag:
container.
2011-03-29 15:27:32,410 WARN  [org.apache.wicket.Component]  - Markup
id set on a component that is usually not rendered into markup. Markup
id: triggerSchedule32, component id: triggerSchedule, component tag:
container.

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Re: Listview gives mysterious log info

[nino martinez wael]

Ahh yes, I was diving a bit too deep in my ajax, to notice the html
side:) Nice that wicket is that way, I mean that you actually can
forget about js/html when doing ajax :)

2011/3/30 Bas Gooren b...@iswd.nl:
 Sounds like you are calling setOutputMarkupId on a container.

 So I googled your error message and founr WICKET-3237
 (https://issues.apache.org/jira/browse/WICKET-3237)

 Bas

 Op 30-3-2011 8:54, nino martinez wael schreef:

 Listview gives mysterious log info what does it mean? This feels a bit
 like deja vu but I could'nt find my post so forgive me i am double
 posting ..



 2011-03-29 15:27:32,316 WARN  [org.apache.wicket.Component]  - Markup
 id set on a component that is usually not rendered into markup. Markup
 id: triggerSchedule23, component id: triggerSchedule, component tag:
 container.
 2011-03-29 15:27:32,348 WARN  [org.apache.wicket.Component]  - Markup
 id set on a component that is usually not rendered into markup. Markup
 id: triggerSchedule26, component id: triggerSchedule, component tag:
 container.
 2011-03-29 15:27:32,363 WARN  [org.apache.wicket.Component]  - Markup
 id set on a component that is usually not rendered into markup. Markup
 id: triggerSchedule29, component id: triggerSchedule, component tag:
 container.
 2011-03-29 15:27:32,379 WARN  [org.apache.wicket.Component]  - Markup
 id set on a component that is usually not rendered into markup. Markup
 id: triggerSchedule2c, component id: triggerSchedule, component tag:
 container.
 2011-03-29 15:27:32,410 WARN  [org.apache.wicket.Component]  - Markup
 id set on a component that is usually not rendered into markup. Markup
 id: triggerSchedule2f, component id: triggerSchedule, component tag:
 container.
 2011-03-29 15:27:32,410 WARN  [org.apache.wicket.Component]  - Markup
 id set on a component that is usually not rendered into markup. Markup
 id: triggerSchedule32, component id: triggerSchedule, component tag:
 container.

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Re: ListView magic

[Martin Makundi]

You can set row hidden if you want, no problem:

ajaxRequestTarget.addComponent(listItem.setVisible(false));



**
Martin

2010/11/14 meduolis meduol...@gmail.com:

 Hello, I want to do with listview some things, like after removing one item,
 don't repaint other items. Or maby this component is not right for such a
 magic? What can I use instead of listview?
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Re: Listview remove columns on the fly

[Martin Makundi]

Re-render it before going to excel..

2010/8/31 Altuğ Bilgin Altıntaş alt...@gmail.com:
 Hi all;

 How can i disable Listview's column/s while post it to excel on the fly. I
 mean i don't want to post all columns into excel.

 Link linkExcel = new Link(linkExcel) {
            private static final long serialVersionUID = 1L;

           �...@override
            public void onClick() {

                getRequestCycle().setRequestTarget(
                        new ComponentRequestTarget(tableContainer) {
                           �...@override
                            public void respond(RequestCycle requestCycle) {
                                final int oldipp =
 supplierListView.getRowsPerPage();

 supplierListView.setRowsPerPage(Integer.MAX_VALUE);
                                supplierListView.setMetaData();
                                *// I don't want to post all listview's
 columns into excel *

 super.respond(requestCycle);
                                supplierListView.setRowsPerPage(oldipp);
                            }
                        });
                WebResponse wr = (WebResponse) getResponse();
                wr.setContentType(application/vnd.ms-excel;
 charset=UTF-8);
                wr.setCharacterEncoding(UTF-8);
                wr.setHeader(content-disposition,
 attachment;filename=excel.xls);

            }
        };

 Thanks.

Re: Listview remove columns on the fly

[Altuğ Bilgin Altıntaş]

Any code example ?

Thanks.

2010/8/31 Martin Makundi martin.maku...@koodaripalvelut.com

 Re-render it before going to excel..

 2010/8/31 Altuğ Bilgin Altıntaş alt...@gmail.com:
  Hi all;
 
  How can i disable Listview's column/s while post it to excel on the fly.
 I
  mean i don't want to post all columns into excel.
 
  Link linkExcel = new Link(linkExcel) {
 private static final long serialVersionUID = 1L;
 
 @Override
 public void onClick() {
 
 getRequestCycle().setRequestTarget(
 new ComponentRequestTarget(tableContainer) {
 @Override
 public void respond(RequestCycle requestCycle)
 {
 final int oldipp =
  supplierListView.getRowsPerPage();
 
  supplierListView.setRowsPerPage(Integer.MAX_VALUE);
 supplierListView.setMetaData();
 *// I don't want to post all listview's
  columns into excel *
 
  super.respond(requestCycle);
 supplierListView.setRowsPerPage(oldipp);
 }
 });
 WebResponse wr = (WebResponse) getResponse();
 wr.setContentType(application/vnd.ms-excel;
  charset=UTF-8);
 wr.setCharacterEncoding(UTF-8);
 wr.setHeader(content-disposition,
  attachment;filename=excel.xls);
 
 }
 };
 
  Thanks.
 

Re: Listview remove columns on the fly

[Martin Makundi]

Any button will re-render the page. Just make your column in visible:

listview() {
  onpopulate (item) {
  item.add(column.setVisible(if-you-want-to-show-it-now));
  }
}
form.add(listview);

button=new button() {
  onsubmit() {
 if-you-want-to-show-it-now = false;
  }
}
form.add(button);



2010/8/31 Altuğ Bilgin Altıntaş alt...@gmail.com:
 Any code example ?

 Thanks.

 2010/8/31 Martin Makundi martin.maku...@koodaripalvelut.com

 Re-render it before going to excel..

 2010/8/31 Altuğ Bilgin Altıntaş alt...@gmail.com:
  Hi all;
 
  How can i disable Listview's column/s while post it to excel on the fly.
 I
  mean i don't want to post all columns into excel.
 
  Link linkExcel = new Link(linkExcel) {
             private static final long serialVersionUID = 1L;
 
            �...@override
             public void onClick() {
 
                 getRequestCycle().setRequestTarget(
                         new ComponentRequestTarget(tableContainer) {
                            �...@override
                             public void respond(RequestCycle requestCycle)
 {
                                 final int oldipp =
  supplierListView.getRowsPerPage();
 
  supplierListView.setRowsPerPage(Integer.MAX_VALUE);
                                 supplierListView.setMetaData();
                                 *// I don't want to post all listview's
  columns into excel *
 
  super.respond(requestCycle);
                                 supplierListView.setRowsPerPage(oldipp);
                             }
                         });
                 WebResponse wr = (WebResponse) getResponse();
                 wr.setContentType(application/vnd.ms-excel;
  charset=UTF-8);
                 wr.setCharacterEncoding(UTF-8);
                 wr.setHeader(content-disposition,
  attachment;filename=excel.xls);
 
             }
         };
 
  Thanks.
 

Re: [BULK] Re: Listview remove columns on the fly

[Benedikt Schlegel]

If you want to modify your data on a column-base, you should consider 
using a DataTable instead of DataView/ListView.

So long,
Benedikt

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Re: Listview excel

[Martin Makundi]

Hi!

Just change  the mime type of the page to application/vnd.ms-excel.

**
Martin

2010/8/30 Altuğ Bilgin Altıntaş alt...@gmail.com:
 Hi all;

 Is it possible to export a ListView to excel. Should i use always Datatable
 ?

 Thanks.


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Re: Listview excel

[Altuğ Bilgin Altıntaş]

Thanks;

I added table in to WebMarkupContainer and WebMarkupContainer in to
getRequestCycle().setRequestTarget(
new ComponentRequestTarget(table));

It works.



2010/8/30 Martin Makundi martin.maku...@koodaripalvelut.com

 Hi!

 Just change  the mime type of the page to application/vnd.ms-excel.

 **
 Martin

 2010/8/30 Altuğ Bilgin Altıntaş alt...@gmail.com:
  Hi all;
 
  Is it possible to export a ListView to excel. Should i use always
 Datatable
  ?
 
  Thanks.
 

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Re: ListView in a Form -- issue with properties

[always_rick]

hi, just add the form wicket id in property file.

e.g.
wicket:id=xxxForm
-wicket:id=valueListView
 -wicket:id=value

xxxForm.valueListView.value.Required=please enter the value




Trevor Baker-2 wrote:
 
 Hi,
 
 I have a form that has an ListView (wicket:id=”valueListView”) of a bunch
 of
 required text fields (wicket:id=”value”).
 
 In my WebApplication.properties, I have:
 
 form.valueListView.value.Required=Please enter the Value
 
 However when I submit the form, in my error feedback if the field is blank
 it always displays the default: Field 'value is required.
 
 What is the proper way to write the property so it displays my custom
 error
 feedback message?
 
 Thanks,
 Trev
 
 

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Re: ListView in a Form -- issue with properties

[Jeremy Thomerson]

Try with just value.Required

On Wed, Jul 7, 2010 at 11:57 AM, Trevor Baker amoebawo...@gmail.com wrote:

 Hi,

 I have a form that has an ListView (wicket:id=”valueListView”) of a bunch
 of
 required text fields (wicket:id=”value”).

 In my WebApplication.properties, I have:

 form.valueListView.value.Required=Please enter the Value

 However when I submit the form, in my error feedback if the field is blank
 it always displays the default: Field 'value is required.

 What is the proper way to write the property so it displays my custom error
 feedback message?

 Thanks,
 Trev




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

Re: Listview and hibernate question: Objects don't get deleted before the listview getObject() is called

[James Carman]

How are you managing transactions?

On Fri, Jun 25, 2010 at 7:27 AM, pieter claassen
pieter.claas...@gmail.com wrote:
 I find that when I delete objects from my ListView, my model object for the
 ListView still contains a reference to the object. When the view tries to
 render, the object is already removed from the database and I get a null
 response on my hibernate load(). I use opensessioninview and when I check my
 logs, the delete statement comes way after the view was rendered.

 It seems that ListView renders the new view before the transaction is closed
 (but even then, the delete should be visible to later sql in the same
 transaction).

 Any ideas?
 Regards,
 Pieter



 Log:
 
 Hibernate: delete from ABSTRACTDATASET where ID=?


 ListView:
 ===
        ListView documents = new ListView(documents, new IModel() {

            public Object getObject() {
                return getDocumentList();
            }

 


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Re: Listview and hibernate question: Objects don't get deleted before the listview getObject() is called

[pieter claassen]

No, my DAO's inherit from HibernateDaoSupport and I just go with the
defaults.

Regards,
Pieter

On Fri, Jun 25, 2010 at 2:22 PM, James Carman ja...@carmanconsulting.comwrote:

 How are you managing transactions?

 On Fri, Jun 25, 2010 at 7:27 AM, pieter claassen
 pieter.claas...@gmail.com wrote:
  I find that when I delete objects from my ListView, my model object for
 the
  ListView still contains a reference to the object. When the view tries to
  render, the object is already removed from the database and I get a null
  response on my hibernate load(). I use opensessioninview and when I check
 my
  logs, the delete statement comes way after the view was rendered.
 
  It seems that ListView renders the new view before the transaction is
 closed
  (but even then, the delete should be visible to later sql in the same
  transaction).
 
  Any ideas?
  Regards,
  Pieter
 
 
 
  Log:
  
  Hibernate: delete from ABSTRACTDATASET where ID=?
 
 
  ListView:
  ===
 ListView documents = new ListView(documents, new IModel() {
 
 public Object getObject() {
 return getDocumentList();
 }
 
  
 




-- 
Pieter Claassen
musmato.com

Re: Listview and hibernate question: Objects don't get deleted before the listview getObject() is called

[nino martinez wael]

are you using a loadable detachable model or?

2010/6/25 pieter claassen pieter.claas...@gmail.com

 I find that when I delete objects from my ListView, my model object for the
 ListView still contains a reference to the object. When the view tries to
 render, the object is already removed from the database and I get a null
 response on my hibernate load(). I use opensessioninview and when I check
 my
 logs, the delete statement comes way after the view was rendered.

 It seems that ListView renders the new view before the transaction is
 closed
 (but even then, the delete should be visible to later sql in the same
 transaction).

 Any ideas?
 Regards,
 Pieter



 Log:
 
 Hibernate: delete from ABSTRACTDATASET where ID=?


 ListView:
 ===
ListView documents = new ListView(documents, new IModel() {

public Object getObject() {
return getDocumentList();
}

 

Re: Listview and hibernate question: Objects don't get deleted before the listview getObject() is called

[pieter claassen]

Yes, I reload the objects using my DAOs but, I have 2 MySQL databases on the
backend and so far have not been using @Transactional. This might be the
problem.

Now I just have to figure out to configure   tx:annotation-driven
transaction-manager=txManager / for more than one transaction manager and
make sure the different DOAs use the right txManager.

Regards,
Pieter

On Fri, Jun 25, 2010 at 3:30 PM, nino martinez wael 
nino.martinez.w...@gmail.com wrote:

 yeah and grabbig from the dao each time right?


 2010/6/25 pieter claassen pieter.claas...@gmail.com

 Nino,

 No, in this case, I created an inline IModel and overrode the getObject()
 method.

 Pieter


 On Fri, Jun 25, 2010 at 2:59 PM, nino martinez wael 
 nino.martinez.w...@gmail.com wrote:

 are you using a loadable detachable model or?

 2010/6/25 pieter claassen pieter.claas...@gmail.com

 I find that when I delete objects from my ListView, my model object for
 the
 ListView still contains a reference to the object. When the view tries
 to
 render, the object is already removed from the database and I get a null
 response on my hibernate load(). I use opensessioninview and when I
 check my
 logs, the delete statement comes way after the view was rendered.

 It seems that ListView renders the new view before the transaction is
 closed
 (but even then, the delete should be visible to later sql in the same
 transaction).

 Any ideas?
 Regards,
 Pieter



 Log:
 
 Hibernate: delete from ABSTRACTDATASET where ID=?


 ListView:
 ===
ListView documents = new ListView(documents, new IModel() {

public Object getObject() {
return getDocumentList();
}

 





 --
 Pieter Claassen
 musmato.com





-- 
Pieter Claassen
musmato.com

Re: Listview and hibernate question: Objects don't get deleted before the listview getObject() is called

[James Carman]

These discussions might be of interest to you:

https://jira.springsource.org/browse/SPR-3955

http://forum.springsource.org/showthread.php?t=27754




On Fri, Jun 25, 2010 at 9:34 AM, pieter claassen
pieter.claas...@gmail.com wrote:
 Yes, I reload the objects using my DAOs but, I have 2 MySQL databases on the
 backend and so far have not been using @Transactional. This might be the
 problem.

 Now I just have to figure out to configure   tx:annotation-driven
 transaction-manager=txManager / for more than one transaction manager and
 make sure the different DOAs use the right txManager.

 Regards,
 Pieter

 On Fri, Jun 25, 2010 at 3:30 PM, nino martinez wael 
 nino.martinez.w...@gmail.com wrote:

 yeah and grabbig from the dao each time right?


 2010/6/25 pieter claassen pieter.claas...@gmail.com

 Nino,

 No, in this case, I created an inline IModel and overrode the getObject()
 method.

 Pieter


 On Fri, Jun 25, 2010 at 2:59 PM, nino martinez wael 
 nino.martinez.w...@gmail.com wrote:

 are you using a loadable detachable model or?

 2010/6/25 pieter claassen pieter.claas...@gmail.com

 I find that when I delete objects from my ListView, my model object for
 the
 ListView still contains a reference to the object. When the view tries
 to
 render, the object is already removed from the database and I get a null
 response on my hibernate load(). I use opensessioninview and when I
 check my
 logs, the delete statement comes way after the view was rendered.

 It seems that ListView renders the new view before the transaction is
 closed
 (but even then, the delete should be visible to later sql in the same
 transaction).

 Any ideas?
 Regards,
 Pieter



 Log:
 
 Hibernate: delete from ABSTRACTDATASET where ID=?


 ListView:
 ===
        ListView documents = new ListView(documents, new IModel() {

            public Object getObject() {
                return getDocumentList();
            }

 





 --
 Pieter Claassen
 musmato.com





 --
 Pieter Claassen
 musmato.com


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Re: Listview and hibernate question: Objects don't get deleted before the listview getObject() is called

[James Carman]

Looks like if you use Spring 3.x, you can do it.  You have to use the
value of the @Transactional annotation to figure out which tx
manager to use.

On Fri, Jun 25, 2010 at 9:58 AM, James Carman
ja...@carmanconsulting.com wrote:
 These discussions might be of interest to you:

 https://jira.springsource.org/browse/SPR-3955

 http://forum.springsource.org/showthread.php?t=27754




 On Fri, Jun 25, 2010 at 9:34 AM, pieter claassen
 pieter.claas...@gmail.com wrote:
 Yes, I reload the objects using my DAOs but, I have 2 MySQL databases on the
 backend and so far have not been using @Transactional. This might be the
 problem.

 Now I just have to figure out to configure   tx:annotation-driven
 transaction-manager=txManager / for more than one transaction manager and
 make sure the different DOAs use the right txManager.

 Regards,
 Pieter

 On Fri, Jun 25, 2010 at 3:30 PM, nino martinez wael 
 nino.martinez.w...@gmail.com wrote:

 yeah and grabbig from the dao each time right?


 2010/6/25 pieter claassen pieter.claas...@gmail.com

 Nino,

 No, in this case, I created an inline IModel and overrode the getObject()
 method.

 Pieter


 On Fri, Jun 25, 2010 at 2:59 PM, nino martinez wael 
 nino.martinez.w...@gmail.com wrote:

 are you using a loadable detachable model or?

 2010/6/25 pieter claassen pieter.claas...@gmail.com

 I find that when I delete objects from my ListView, my model object for
 the
 ListView still contains a reference to the object. When the view tries
 to
 render, the object is already removed from the database and I get a null
 response on my hibernate load(). I use opensessioninview and when I
 check my
 logs, the delete statement comes way after the view was rendered.

 It seems that ListView renders the new view before the transaction is
 closed
 (but even then, the delete should be visible to later sql in the same
 transaction).

 Any ideas?
 Regards,
 Pieter



 Log:
 
 Hibernate: delete from ABSTRACTDATASET where ID=?


 ListView:
 ===
        ListView documents = new ListView(documents, new IModel() {

            public Object getObject() {
                return getDocumentList();
            }

 





 --
 Pieter Claassen
 musmato.com





 --
 Pieter Claassen
 musmato.com



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Re: ListView + dynamic rows: always remove last row...

[jOki]

Even Im trying to implement the remove link as:

 - item.add(removeLink(removeKeyword, item));

and it doesnt work... always remove the last row...


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Re: ListView + dynamic rows: always remove last row...

[Erik van Oosten]

Try to use the RemoveLink that is available as inner class of ListView.

Regards,
Erik.


Op 18-06-10 18:29, jOki wrote:

Hi!!

Im trying to implement a dynamic Form, where you can add textfields and
remove as you want. The add button works fine, but the remove button always
remove the last testfield and not the selected field. For example:

Textfield1 add remove
Textfield2 add remove
Textfield3 add remove

click on remove (row textfield2) and Textfield3 is removed. It should remove
Textfield2, doesnt it?


Some code:

public class KeywordObject implements Serializable {
 private static final long serialVersionUID = 1L;
 private String keyword;

 public void setKeyword(String keyword) {
 this.keyword = keyword;
 }

 public String getKeyword() {
 return this.keyword;
 }
 }

And in the form...

ListKeywordObject  keyList = new ArrayListKeywordObject();
keyList.add(new KeywordObject());

final ListView keywordView = new ListView(keywordView, keyList) {

 @Override
 protected void populateItem(final ListItem item) {
 KeywordObject model = (KeywordObject)
item.getModelObject();
 item.add(new TextField(keyword, new
PropertyModel(model, keyword)));

 // keyword add link
 Link addKeyword = new Link(addKeyword,
item.getModel()) {

 @Override
 public void onClick() {
 keyList.add(new KeywordObject());
 }
 };

 // keyword remove link
 Link removeKeyword = new Link(removeKeyword,
item.getModel()) {

 @Override
 public void onClick() {
 KeywordObject selected = (KeywordObject)
getModelObject();
 keyList.remove(selected);
 }
 };

 item.add(addKeyword);
 item.add(removeKeyword);
 }
 };

 add(keywordView);
 keywordView.setReuseItems(true);


Im getting crazy about that...

Thanks.
   



--
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http://www.day-to-day-stuff.blogspot.com/


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Re: ListView + dynamic rows: always remove last row...

[James Carman]

Just as a test, turn off the reuseItems property.  See what happens.

On Sat, Jun 19, 2010 at 5:04 AM, jOki joa...@gmail.com wrote:

 Even Im trying to implement the remove link as:

  - item.add(removeLink(removeKeyword, item));

 and it doesnt work... always remove the last row...


 --
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Re: ListView + dynamic rows: always remove last row...

[Jeremy Thomerson]

Also, is the item you're trying to remove a null in the list?  Or, is it a
problem with equals/hashcode not being implemented correctly?  I just fixed
a bug in ListView this week with the remove link and move up/down links.  It
was relying on the equals of the model object of the item to find which to
remove.  Now it removes by index.  But I think James is on to the right
answer for your case.

On Sat, Jun 19, 2010 at 7:50 AM, James Carman ja...@carmanconsulting.comwrote:

 Just as a test, turn off the reuseItems property.  See what happens.

 On Sat, Jun 19, 2010 at 5:04 AM, jOki joa...@gmail.com wrote:
 
  Even Im trying to implement the remove link as:
 
   - item.add(removeLink(removeKeyword, item));
 
  and it doesnt work... always remove the last row...
 
 
  --
  View this message in context:
 http://apache-wicket.1842946.n4.nabble.com/ListView-dynamic-rows-always-remove-last-row-tp2260480p2261045.html
  Sent from the Wicket - User mailing list archive at Nabble.com.
 
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-- 
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http://www.wickettraining.com

Re: ListView + dynamic rows: always remove last row...

[jOki]

Hi,

I tried with/without setReuseItems and the behaviour is the same.

I think you can be right with equals/hashcode not being implemented
correctly...

I tried another time with a ListString with different values and its
working...

I tried as well to implement these methods (equals/hashcode) in my code but
it doesnt work.

How can I differentiate objects even if when they are added (they are
textfields) they just have empty values

Thanks for the help!
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Re: ListView + dynamic rows: always remove last row...

[James Carman]

What kind of objects are they?  For entities, I use a uuid for the primary
key and it's assigned when the object is created.  That way you make
equals/hashcode based on the uuid so that everything stays consistent

On Jun 19, 2010 1:42 PM, jOki joa...@gmail.com wrote:


Hi,

I tried with/without setReuseItems and the behaviour is the same.

I think you can be right with equals/hashcode not being implemented
correctly...

I tried another time with a ListString with different values and its
working...

I tried as well to implement these methods (equals/hashcode) in my code but
it doesnt work.

How can I differentiate objects even if when they are added (they are
textfields) they just have empty values

Thanks for the help!
--
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---...

Re: ListView highlight selected row

[JeroenWolff]

Igor, you are right. It is still not rendered when i do the
super.onComponentTag after the tag.put.

This is the markup for the listview. zoekresultaat is the id for the
listview.

When the page is rendered the first time it works fine, but not in Ajax
updates. In the debugger is see that on the selected item the put is done,
but i don't see it rendered.

Thanks


table wicket:id=tabel
tbody
tr
th style=width:20px/th
th style=width:105px;Contactmoment/th
thOmschrijving/th
/tr
tr wicket:id=zoekresultaat bgcolor=#FF
onmouseover=this.bgColor='gold'; onmouseout=this.bgColor='#FF';
td[x]/td
td #  /td
td[blabla]/td
/tr
/tbody
/table

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Re: ListView highlight selected row

[Igor Vaynberg]

so its not rendered in markup? or its rendered in markup but you dont
see the effect? if latter its most likely a css issue, if former
create a quickstart and attach it to a jira issue.

-igor

On 5/20/10, JeroenWolff jeroen.wo...@gmail.com wrote:

 Igor, you are right. It is still not rendered when i do the
 super.onComponentTag after the tag.put.

 This is the markup for the listview. zoekresultaat is the id for the
 listview.

 When the page is rendered the first time it works fine, but not in Ajax
 updates. In the debugger is see that on the selected item the put is done,
 but i don't see it rendered.

 Thanks


   table wicket:id=tabel
   tbody
   tr
   th style=width:20px/th
   th style=width:105px;Contactmoment/th
   thOmschrijving/th
   /tr
   tr wicket:id=zoekresultaat bgcolor=#FF
 onmouseover=this.bgColor='gold'; onmouseout=this.bgColor='#FF';
   td[x]/td
   td #  /td
   td[blabla]/td
   /tr
   /tbody
   /table

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Re: ListView highlight selected row

[JeroenWolff]

thanks, it is not rendered in the html (view source in browser)
when i disable Javascript it works fine! I will put it in the quickstart and
report it in Jira 

thanks
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Re: ListView highlight selected row

[Igor Vaynberg]

maybe your javascript is overriding it

-igor

On Thu, May 20, 2010 at 12:04 PM, JeroenWolff jeroen.wo...@gmail.com wrote:

 thanks, it is not rendered in the html (view source in browser)
 when i disable Javascript it works fine! I will put it in the quickstart and
 report it in Jira

 thanks
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Re: ListView highlight selected row

[JeroenWolff]

Now i've got it working with the quickstart and a simple ListView. Now i have
to find out the difference and why it is now working..,now working on
jetty...tomorrow i test it on Websphere...

Thanks!


public class HomePage extends WebPage {
private Contact selected = new Contact();

@SuppressWarnings(serial)
public HomePage(final PageParameters parameters) {

final WebMarkupContainer table = new 
WebMarkupContainer(table);   
PageableListViewContact listView = new 
PageableListViewContact(
contactrow, getContacts(), 4) {

@Override
protected ListItemContact newItem(int index) {
ListItemContact item = new 
ListItemContact(index,
getListItemModel(getModel(), 
index)) {

@Override
protected void 
onComponentTag(ComponentTag tag) {
super.onComponentTag(tag);
if (getModelObject() == 
selected) {
tag.put(class, 
selected);
} 
}

};
return item;
}

@Override
protected void populateItem(final ListItemContact 
item) {
Contact contact = item.getModelObject();

final AjaxFallbackLinkContact contactDateLink 
= new
AjaxFallbackLinkContact(
link) {

@Override
public void onClick(AjaxRequestTarget 
target) {

selected = (Contact) 
getParent().getDefaultModelObject();

if (target != null) {

target.addComponent(table);
}

}

};
contactDateLink.add(new Label(linklabel,
contact.getContactDate().toString()));
item.add(contactDateLink);
item.add(new Label(code, contact.getCode()));
item.add(new Label(description, 
contact.getDescription()));
}

};
table.setOutputMarkupId(true);
table.add(listView);
add(table);
add(new AjaxPagingNavigator(navigator, listView));

}

public static ListContact getContacts() {
ListContact resultList = new ArrayListContact();
Contact contact = new Contact(A, new Date(), description1);
resultList.add(contact);
contact = new Contact(B, new Date(), description2);
resultList.add(contact);
contact = new Contact(C, new Date(), description3);
resultList.add(contact);
contact = new Contact(D, new Date(), description4);
resultList.add(contact);
return resultList;
}

}

@SuppressWarnings(serial)
class Contact implements Serializable {
private String code;
private Date contactDate;
private String description;

public Contact() {
super();
}

public Contact(String code, Date contactDate, String description) {
super();
this.code = code;
this.contactDate = contactDate;
this.description = description;
}

public String getCode() {
return code;
}

public void setCode(String code) {
this.code = code;
}

public Date getContactDate() {
return contactDate;
}

public void setContactDate(Date contactDate) {
this.contactDate = contactDate;
}

public String getDescription() {
return description;
}

public void setDescription(String description) {
this.description = description;
}

}



body
table wicket:id=table
tbody
tr
th style=width: 20px/th
th style=width: 
105px;ContactDate/th
thDescription/th
 

Re: ListView highlight selected row

[Jeremy Thomerson]

Ah - the beauty of creating a quickstart.  It almost always makes us go back
and see what other weird combination of things is actually creating the
issue :)

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



On Thu, May 20, 2010 at 3:18 PM, JeroenWolff jeroen.wo...@gmail.com wrote:


 Now i've got it working with the quickstart and a simple ListView. Now i
 have
 to find out the difference and why it is now working..,now working on
 jetty...tomorrow i test it on Websphere...

 Thanks!


 public class HomePage extends WebPage {
private Contact selected = new Contact();

@SuppressWarnings(serial)
public HomePage(final PageParameters parameters) {

final WebMarkupContainer table = new
 WebMarkupContainer(table);
PageableListViewContact listView = new
 PageableListViewContact(
contactrow, getContacts(), 4) {

@Override
protected ListItemContact newItem(int index) {
ListItemContact item = new
 ListItemContact(index,
getListItemModel(getModel(),
 index)) {

@Override
protected void
 onComponentTag(ComponentTag tag) {
super.onComponentTag(tag);
if (getModelObject() ==
 selected) {
 tag.put(class,
 selected);
}
}

};
return item;
}

@Override
protected void populateItem(final ListItemContact
 item) {
Contact contact = item.getModelObject();

final AjaxFallbackLinkContact
 contactDateLink = new
 AjaxFallbackLinkContact(
link) {

@Override
public void
 onClick(AjaxRequestTarget target) {

 selected = (Contact)
 getParent().getDefaultModelObject();

if (target != null) {

  target.addComponent(table);
}

}

};
contactDateLink.add(new Label(linklabel,
 contact.getContactDate().toString()));
item.add(contactDateLink);
item.add(new Label(code,
 contact.getCode()));
item.add(new Label(description,
 contact.getDescription()));
}

};
table.setOutputMarkupId(true);
table.add(listView);
add(table);
 add(new AjaxPagingNavigator(navigator, listView));

}

 public static ListContact getContacts() {
ListContact resultList = new ArrayListContact();
Contact contact = new Contact(A, new Date(),
 description1);
resultList.add(contact);
contact = new Contact(B, new Date(), description2);
resultList.add(contact);
contact = new Contact(C, new Date(), description3);
resultList.add(contact);
contact = new Contact(D, new Date(), description4);
resultList.add(contact);
return resultList;
}

 }

 @SuppressWarnings(serial)
 class Contact implements Serializable {
private String code;
private Date contactDate;
private String description;

public Contact() {
super();
}

public Contact(String code, Date contactDate, String description) {
super();
this.code = code;
this.contactDate = contactDate;
this.description = description;
}

public String getCode() {
return code;
}

public void setCode(String code) {
this.code = code;
}

public Date getContactDate() {
return contactDate;
}

public void setContactDate(Date contactDate) {
this.contactDate = contactDate;
}

public String getDescription() {
return description;
}

public void setDescription(String description) {
this.description = description;
}

 }



 body
table wicket:id=table
 tbody
tr

Re: ListView highlight selected row

[JeroenWolff]

Igor, thanks you've helped me a lot...but now i repaint the whole table and
on every onComponentTag i update the class if the item is selected or not. I
see in the debugger that onComponentTag and the tag.put(class, selected)
but it is not rendered.

What do i do wrong??

Thanks!!

This is my code:

public class HomePage extends BasePage {
private KlantContact selected = new KlantContact();
private Panel detailPanel = new DetailPanel(details, selected);
private PageableListViewKlantContact listView = null;
private ListKlantContact klantContacten = null;

@SpringBean
private KlantContactDAO dao;

public HomePage(PageParameters parameters) {
  String bsn = parameters.getString(bsn);
  InjectorHolder.getInjector().inject(this);

  final WebMarkupContainer tabel = new WebMarkupContainer(tabel);
  klantContacten = dao.geefKlantContactenVanDeLaatste2Maanden(bsn,
new LocalDateTime());

  listView = new PageableListViewKlantContact(zoekresultaat,
klantContacten, 5) {
private static final long serialVersionUID = 1L;

@Override
protected ListItemKlantContact newItem(int index) {
ListItemKlantContact item = new 
ListItemKlantContact(index,
getListItemModel(getModel(), 
index)) {
private static final long 
serialVersionUID = 1L;

@Override
protected void 
onComponentTag(ComponentTag tag) {
super.onComponentTag(tag);
if (getModelObject() == 
selected) {
tag.put(class, 
welselected);
} else {
tag.put(class, 
notselected);
}
}

};
item.setOutputMarkupId(true);
return item;
}

@Override
protected void populateItem(final 
ListItemKlantContact item) {
KlantContact contact = item.getModelObject();

final AjaxFallbackLinkKlantContact 
contactDatumLink = new
AjaxFallbackLinkKlantContact(
contactdatumlink) {
private static final long 
serialVersionUID = 1L;

@Override
public void onClick(AjaxRequestTarget 
target) {
// het geselecteerde 
KlantContact bepalen
selected = (KlantContact) 
getParent()

.getDefaultModelObject();
// het detailpanel vervangen 
met een nieuw detailpanel
// waar de gelecteerde 
klantcontact details op komen.
DetailPanel replacement = new 
DetailPanel(details,
selected);

replacement.setOutputMarkupId(true);

detailPanel.replaceWith(replacement);
detailPanel = replacement;

if (target != null) {

target.addComponent(detailPanel);
// render de listview 
opnieuw om de selected css te zetten

target.addComponent(tabel);
}

}

};
contactDatumLink.add(new 
Label(contactdatumlinklabel,
new 
PropertyModelKlantContact(contact,

getContactDatumTijdDDMMYYHHMM)));
item.add(contactDatumLink);
item.add(new Label(soort, 
contact.getContactWijze()));
item.add(new Label(omschrijving, contact
.getOmschrijving()));
}

 

Re: ListView highlight selected row

[Jeremy Thomerson]

try doing the tag.put(class, foo) BEFORE the super.onComponentTag -
which is where the tag is rendered

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



On Wed, May 19, 2010 at 1:48 AM, JeroenWolff jeroen.wo...@gmail.com wrote:


 Igor, thanks you've helped me a lot...but now i repaint the whole table and
 on every onComponentTag i update the class if the item is selected or not.
 I
 see in the debugger that onComponentTag and the tag.put(class,
 selected)
 but it is not rendered.

 What do i do wrong??

 Thanks!!

 This is my code:

 public class HomePage extends BasePage {
private KlantContact selected = new KlantContact();
private Panel detailPanel = new DetailPanel(details, selected);
private PageableListViewKlantContact listView = null;
private ListKlantContact klantContacten = null;

@SpringBean
private KlantContactDAO dao;

public HomePage(PageParameters parameters) {
  String bsn = parameters.getString(bsn);
  InjectorHolder.getInjector().inject(this);

  final WebMarkupContainer tabel = new WebMarkupContainer(tabel);
  klantContacten = dao.geefKlantContactenVanDeLaatste2Maanden(bsn,
new LocalDateTime());

  listView = new PageableListViewKlantContact(zoekresultaat,
klantContacten, 5) {
private static final long serialVersionUID = 1L;

@Override
protected ListItemKlantContact newItem(int index)
 {
ListItemKlantContact item = new
 ListItemKlantContact(index,
getListItemModel(getModel(),
 index)) {
private static final long
 serialVersionUID = 1L;

@Override
protected void
 onComponentTag(ComponentTag tag) {
super.onComponentTag(tag);
if (getModelObject() ==
 selected) {
tag.put(class,
 welselected);
} else {
tag.put(class,
 notselected);
}
}

};
item.setOutputMarkupId(true);
return item;
}

@Override
protected void populateItem(final
 ListItemKlantContact item) {
KlantContact contact =
 item.getModelObject();

final AjaxFallbackLinkKlantContact
 contactDatumLink = new
 AjaxFallbackLinkKlantContact(
contactdatumlink) {
private static final long
 serialVersionUID = 1L;

@Override
public void
 onClick(AjaxRequestTarget target) {
// het geselecteerde
 KlantContact bepalen
selected = (KlantContact)
 getParent()

  .getDefaultModelObject();
// het detailpanel vervangen
 met een nieuw detailpanel
// waar de gelecteerde
 klantcontact details op komen.
DetailPanel replacement =
 new DetailPanel(details,
selected);

  replacement.setOutputMarkupId(true);

  detailPanel.replaceWith(replacement);
detailPanel = replacement;

if (target != null) {

  target.addComponent(detailPanel);
// render de
 listview opnieuw om de selected css te zetten

  target.addComponent(tabel);
}

}

};
contactDatumLink.add(new
 Label(contactdatumlinklabel,
new
 PropertyModelKlantContact(contact,

  getContactDatumTijdDDMMYYHHMM)));
item.add(contactDatumLink);
item.add(new Label(soort,
 contact.getContactWijze()));
item.add(new Label(omschrijving, contact
.getOmschrijving()));
}

};
tabel.setOutputMarkupId(true);

Re: ListView highlight selected row

[Igor Vaynberg]

no, i dont think its rendered in the super called, only prepared for
rendering so his code should work just fine.

set a breakpoint and see if its being called. also what markup is the
listview attached to?

-igor

On Tue, May 18, 2010 at 11:51 PM, Jeremy Thomerson
jer...@wickettraining.com wrote:
 try doing the tag.put(class, foo) BEFORE the super.onComponentTag -
 which is where the tag is rendered

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



 On Wed, May 19, 2010 at 1:48 AM, JeroenWolff jeroen.wo...@gmail.com wrote:


 Igor, thanks you've helped me a lot...but now i repaint the whole table and
 on every onComponentTag i update the class if the item is selected or not.
 I
 see in the debugger that onComponentTag and the tag.put(class,
 selected)
 but it is not rendered.

 What do i do wrong??

 Thanks!!

 This is my code:

 public class HomePage extends BasePage {
        private KlantContact selected = new KlantContact();
        private Panel detailPanel = new DetailPanel(details, selected);
        private PageableListViewKlantContact listView = null;
        private ListKlantContact klantContacten = null;

       �...@springbean
        private KlantContactDAO dao;

        public HomePage(PageParameters parameters) {
          String bsn = parameters.getString(bsn);
          InjectorHolder.getInjector().inject(this);

          final WebMarkupContainer tabel = new WebMarkupContainer(tabel);
          klantContacten = dao.geefKlantContactenVanDeLaatste2Maanden(bsn,
                                new LocalDateTime());

          listView = new PageableListViewKlantContact(zoekresultaat,
                                klantContacten, 5) {
                        private static final long serialVersionUID = 1L;

                       �...@override
                        protected ListItemKlantContact newItem(int index)
 {
                                ListItemKlantContact item = new
 ListItemKlantContact(index,
                                                getListItemModel(getModel(),
 index)) {
                                        private static final long
 serialVersionUID = 1L;

                                       �...@override
                                        protected void
 onComponentTag(ComponentTag tag) {
                                                super.onComponentTag(tag);
                                                if (getModelObject() ==
 selected) {
                                                        tag.put(class,
 welselected);
                                                } else {
                                                        tag.put(class,
 notselected);
                                                }
                                        }

                                };
                                item.setOutputMarkupId(true);
                                return item;
                        }

                       �...@override
                        protected void populateItem(final
 ListItemKlantContact item) {
                                KlantContact contact =
 item.getModelObject();

                                final AjaxFallbackLinkKlantContact
 contactDatumLink = new
 AjaxFallbackLinkKlantContact(
                                                contactdatumlink) {
                                        private static final long
 serialVersionUID = 1L;

                                       �...@override
                                        public void
 onClick(AjaxRequestTarget target) {
                                                // het geselecteerde
 KlantContact bepalen
                                                selected = (KlantContact)
 getParent()

  .getDefaultModelObject();
                                                // het detailpanel vervangen
 met een nieuw detailpanel
                                                // waar de gelecteerde
 klantcontact details op komen.
                                                DetailPanel replacement =
 new DetailPanel(details,
                                                                selected);

  replacement.setOutputMarkupId(true);

  detailPanel.replaceWith(replacement);
                                                detailPanel = replacement;

                                                if (target != null) {

  target.addComponent(detailPanel);
                                                        // render de
 listview opnieuw om de selected css te zetten

  target.addComponent(tabel);
                                                }

                                        }

                                };
                                contactDatumLink.add(new
 Label(contactdatumlinklabel,
                                                new
 PropertyModelKlantContact(contact,

  getContactDatumTijdDDMMYYHHMM)));
                                item.add(contactDatumLink);
                             

Re: ListView highlight selected row

[JeroenWolff]

Thanks Igor...

But i forgot to tell...my app is a single page app with only Ajax
replacements. Is it possible to click on a (Ajax) link in de
(Pageable)ListView and replace the ListView with a changed style on the
selected Item?

now in my Ajax onClick i have target.addChildren(listView, Label.class); to
update the Labels in the listview, but
how can i change the Attribute of that selected Item? 

Thanks,

Jeroen
-- 
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Re: ListView highlight selected row

[Igor Vaynberg]

repaint the item, eg add it to the target

-igor

On Mon, May 17, 2010 at 1:30 PM, JeroenWolff jeroen.wo...@gmail.com wrote:

 Thanks Igor...

 But i forgot to tell...my app is a single page app with only Ajax
 replacements. Is it possible to click on a (Ajax) link in de
 (Pageable)ListView and replace the ListView with a changed style on the
 selected Item?

 now in my Ajax onClick i have target.addChildren(listView, Label.class); to
 update the Labels in the listview, but
 how can i change the Attribute of that selected Item?

 Thanks,

 Jeroen
 --
 View this message in context: 
 http://apache-wicket.1842946.n4.nabble.com/ListView-highlight-selected-row-tp2197486p2220309.html
 Sent from the Wicket - User mailing list archive at Nabble.com.

 -
 To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
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Re: ListView highlight selected row

[Igor Vaynberg]

add(new listview() {
   item newitem(...) {
  return new item(..) {
 oncomponenttag(tag) {
 super.oncomponenttag(tag);
  if (getmodelobject().equals(selectedobject) {
  tag.put(class, selected);

-igor

On Thu, May 13, 2010 at 5:47 AM, JeroenWolff jeroen.wo...@gmail.com wrote:

 Hi, i'm a wicket newbee...i've got a ListView with a AjaxLink so the selected
 'customer' details will be shown in a detailed panel. But now i would like
 to highlite the selected 'customer' row in de ListView so the user can see
 which row he/she selected.

 How can i do this?

 Thanks,

 Jeroen
 --
 View this message in context: 
 http://apache-wicket.1842946.n4.nabble.com/ListView-highlight-selected-row-tp2197486p2197486.html
 Sent from the Wicket - User mailing list archive at Nabble.com.

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Re: ListView and Serialization

[Sven Meier]

Hi Michael,

there's no requirement for components inside ListView to be stateless - 
I wonder were you got that from.
You can have Links, Buttons or anything else in there so removing all on 
detach is a recipe for disaster for the next incoming request.


Sven

Michael Gottschalk wrote:

Hi,

I have a question concerning the serialization of subcomponents of ListView.

If I understand correctly, then the components that are added to a ListView in 
the populateItem method should be stateless, since they are removed in the 
onPopulate method each time the list view is rendered (as long as reuseItems 
is set to false).


Nevertheless, the subcomponents are saved in the ListView and so they are 
serialized/stored in the session after the page with the ListView has been 
rendered.
This seems unnecessary to me. Why do we have to store components that are 
discarded before the next rendering phase anyway?


So I created a subclass of ListView with the following method overridden:

@Override
protected void onDetach() {
super.onDetach();

if ( !getReuseItems() ) {
removeAll();
}
}

This removes the subcomponents before the page is stored in the session and 
should save some memory in most cases.


Is there a reason why this is not done in ListView itself? Has nobody thought 
about it yet or could there be any problems with this approach?


Cheers,
Michael

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Re: ListView and Serialization

[Michael Gottschalk]

Hi Sven,

you wrote:
 there's no requirement for components inside ListView to be stateless -
 I wonder were you got that from.

I got that from the ListView class comment and from studying the code.
The comment says:

By default, setReuseItems is false, which has the effect that ListView 
replaces all child components by new instances. The idea behind this is that 
you always render the fresh data, and as people usually use ListViews for 
displaying read-only lists [...].

 You can have Links, Buttons or anything else in there so removing all on
 detach is a recipe for disaster for the next incoming request.

I don't think so, because removeAll is already called in ListView.
In onPopulate, which is called in onBeforeRender by AbstractRepeater, the 
following can be found:

if (getReuseItems()) {
[...]
} else {
// Automatically rebuild all ListItems before rendering the
// list view
removeAll();
}

... then the components are recreated using populateItem.

In my opinion, the only difference in my proposal is to call removeAll 
earlier: not in onBeforeRender of the next request cycle, but in onDetach of 
the current request cycle.

Cheers,
Michael

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Re: ListView and Serialization

[Sven Meier]

Hi Michael,

the only difference in my proposal is to call removeAll earlier:
not in onBeforeRender of the next request cycle, but in onDetach of 
the current request cycle.


it makes a huge difference:
If you call removeAll in onDetach, the next request to a component 
inside the ListView will no longer find its receiver:


populateItem(ListItem item) {
 item.add(new Link(link) {
   onClick() {
 // how should this link be clicked when all components are already 
removed??

   }
 });
}

Sven

Michael Gottschalk wrote:

Hi Sven,

you wrote:
  

there's no requirement for components inside ListView to be stateless -
I wonder were you got that from.



I got that from the ListView class comment and from studying the code.
The comment says:

By default, setReuseItems is false, which has the effect that ListView 
replaces all child components by new instances. The idea behind this is that 
you always render the fresh data, and as people usually use ListViews for 
displaying read-only lists [...].


  

You can have Links, Buttons or anything else in there so removing all on
detach is a recipe for disaster for the next incoming request.



I don't think so, because removeAll is already called in ListView.
In onPopulate, which is called in onBeforeRender by AbstractRepeater, the 
following can be found:


if (getReuseItems()) {
[...]
} else {
// Automatically rebuild all ListItems before rendering the
// list view
removeAll();
}

... then the components are recreated using populateItem.

In my opinion, the only difference in my proposal is to call removeAll 
earlier: not in onBeforeRender of the next request cycle, but in onDetach of 
the current request cycle.


Cheers,
Michael

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Re: ListView and Serialization

[Michael Gottschalk]

Hi Sven,

Am Freitag, 26. März 2010 schrieb Sven Meier:
  the only difference in my proposal is to call removeAll earlier:
  not in onBeforeRender of the next request cycle, but in onDetach of
  the current request cycle.
 
 it makes a huge difference:
 If you call removeAll in onDetach, the next request to a component
 inside the ListView will no longer find its receiver:
 
 populateItem(ListItem item) {
   item.add(new Link(link) {
 onClick() {
   // how should this link be clicked when all components are already
 removed??
 }
   });
 }

Yes, you are right, thank you!
I did not think of the possibility that something could happen before 
onBeforeRender is called.

However, for my use case, this is not a problem, since I only use stateless 
components in many of my list views anyway.

I would then create a StatelessListView with my optimization and only use it 
if I know that I have only stateless child components.

Cheers,
Michael

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Re: ListView + dynamic database Model

[Thomas Kappler]

On 03/02/10 11:55, marioosh.net wrote:

Sorry for my poor english ;)

I have ListView and model like below. I need tabs to reload sometimes,
so my model is dynamic and get tabs from database.
But i see that something is wrong. When i want to get Tab object by
getModelObject() in populateItem method i suppoused that i got it
directly, but i see that all the times the getObject() method of model
is triggered making for all items new list (new db request) !


That's exactly what is supposed to happen, as getModelObject() is just a 
shorthand for getModel().getObject(). And in your getObject(), you do 
the database request.


If you need to avoid those database reloads, look into 
LoadableDetachableModels.


-- Thomas




How to get Tab objects for items without making wasting time database
request ???


IModel model = new IModel() {
public Object getObject() {
System.out.println(getObject...);
...
// getting list from DB
ListTab  list = ;
return list;
}

public void setObject(Object object) {}
public void detach() {
}};

ListView tabs = new ListView(tabs, model) {
@Override
protected void populateItem(ListItem item) {
item.getModelObject(); /*- new 
list, and new list,
and new list.. :(
}
};




--
---
  Thomas Kapplerthomas.kapp...@isb-sib.ch
  Swiss Institute of Bioinformatics Tel: +41 22 379 51 89
  CMU, rue Michel Servet 1
  1211 Geneve 4
  Switzerland  http://www.uniprot.org
---

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Re: ListView + dynamic database Model

[marioosh.net]

Thomas Kappler-3 wrote:
 
 On 03/02/10 11:55, marioosh.net wrote:
 Sorry for my poor english ;)

 I have ListView and model like below. I need tabs to reload sometimes,
 so my model is dynamic and get tabs from database.
 But i see that something is wrong. When i want to get Tab object by
 getModelObject() in populateItem method i suppoused that i got it
 directly, but i see that all the times the getObject() method of model
 is triggered making for all items new list (new db request) !
 
 That's exactly what is supposed to happen, as getModelObject() is just a 
 shorthand for getModel().getObject(). And in your getObject(), you do 
 the database request.
 
 If you need to avoid those database reloads, look into 
 LoadableDetachableModels.
 
 -- Thomas
 

Thank You very much Thomas. 

I move code from getObject() method in IModel to load() method in
LoadableDetachableModel and everything works! - no more useless requests to
db :)

LoadableDetachableModel model2 = new LoadableDetachableModel() {

@Override
protected Object load() {
   ...
   // getting list from DB
   ListTab  list = ;
   return list;
}
};


-- 
View this message in context: 
http://old.nabble.com/ListView-%2B-dynamic-database-Model-tp27754495p27754908.html
Sent from the Wicket - User mailing list archive at Nabble.com.


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Re: ListView and DropDownChoice reset all form fields ..

[Arnaud Garcia]

Hi and many thanks Martin !

just setting  the setReuseItems is enough ...

later,

Arnaud

2010/2/22 Martin Makundi martin.maku...@koodaripalvelut.com:
 Hi!

 Yeah...try  setReuseItems for your listView.

 If you use ajax, you can use also AjaxFormSubmittingChangeListenerBehavior
 http://old.nabble.com/New-behavior:-AjaxFormSubmittingChangeListenerBehavior-td26201382.html

 **
 Martin

 2010/2/22 Arnaud Garcia arn...@imagemed-87.com:
 Hi List,

 If you create a simple Panel with a DropDownChoice where you put
 wantOnSelectionChangedNotifications to true and onSelectionChanged...
 JUST your select box is re-rendered when your selection change,
 others panel fields are not re-renderer...(which is good).

 BUT if you put your panel in a ListView (because you want to display a
 lot of panels...), on the onSelectionChanged all the ListView childs
 are re-renderer and all the panels fields are reseted ! because there
 was no form processing yet  (model and form fields are not setted yet)


 Any idea  to deal with this problem ?


 thanks for help,

 Arnaud

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Re: ListView and DropDownChoice reset all form fields ..

[Martin Makundi]

Hi!

Yeah...try  setReuseItems for your listView.

If you use ajax, you can use also AjaxFormSubmittingChangeListenerBehavior
http://old.nabble.com/New-behavior:-AjaxFormSubmittingChangeListenerBehavior-td26201382.html

**
Martin

2010/2/22 Arnaud Garcia arn...@imagemed-87.com:
 Hi List,

 If you create a simple Panel with a DropDownChoice where you put
 wantOnSelectionChangedNotifications to true and onSelectionChanged...
 JUST your select box is re-rendered when your selection change,
 others panel fields are not re-renderer...(which is good).

 BUT if you put your panel in a ListView (because you want to display a
 lot of panels...), on the onSelectionChanged all the ListView childs
 are re-renderer and all the panels fields are reseted ! because there
 was no form processing yet  (model and form fields are not setted yet)


 Any idea  to deal with this problem ?


 thanks for help,

 Arnaud

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Re: ListView Behavior

[Martin Makundi]

Hi!

Why do you need to count items? You can refer to different components
using their markupid.

**
Martin

2010/1/4 wic...@geofflancaster.com wic...@geofflancaster.com:
 Due to Wicket handling things in a weird order, would anyone mind giving me
 a hand in solving this issue?

 When I create a ListView, populateItem() is called for each item in the
 list which is passed into the ListView and then it goes back and creates
 the Label named chart. The problem is that I'm trying to keep a counter
 on each chart item being created so I can render javascript on the
 component. See below for code and output (for a test with 2 items being
 passed in via the list in the ListView Constructor).

  BEGIN CODE--

 addOrReplace(new ListViewStringBuilder(graphTable,xml){
                       �...@override
                        protected void populateItem(ListItemStringBuilder  
 item){
                                StringBuilder sb = (StringBuilder) 
 item.getModelObject();
                                System.out.println(populating item number - 
 +divNum);
                                Label chart = new Label(chart,new Model()){
                                       �...@override
                                        protected void onComponentTag(final 
 ComponentTag tag){
                                                System.out.println(adding 
 componentTag with id=+divNum);
                                                super.onComponentTag(tag);
                                                tag.put(id, chart_+ 
 divNum);
                                        }
                                };

                                item.add(chart);

                                Label script = new 
 Label(script,parseJS(sb,chart_+divNum));

                                script.setRenderBodyOnly(true);
                                script.setEscapeModelStrings(false);

                                item.add(script);
                                divNum++;
                        }
                });

 -- END CODE -


 -- BEGIN OUTPUT -

 populating item number - 0
 populating item number - 1
 adding componentTag with id=2
 adding componentTag with id=2

 --- END OUTPUT --

 I need the componentTag to correspond with the numbers listed after
 populating item number

 for example, I need the output to show something to the affect of:

 populating item number - 0
 adding componentTag with id=0
 populating item number - 1
 adding componentTag with id=1

 or

 populating item number - 0
 populating item number - 1
 adding componentTag with id=0
 adding componentTag with id=1




 
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Re: ListView Behavior

[wic...@geofflancaster.com]

Very good point. Didn't think about that. Thanks, I've solved my problem!

Original Message:
-
From: Martin Makundi martin.maku...@koodaripalvelut.com
Date: Mon, 4 Jan 2010 18:19:46 +0200
To: users@wicket.apache.org
Subject: Re: ListView Behavior


Hi!

Why do you need to count items? You can refer to different components
using their markupid.

**
Martin

2010/1/4 wic...@geofflancaster.com wic...@geofflancaster.com:
 Due to Wicket handling things in a weird order, would anyone mind giving
me
 a hand in solving this issue?

 When I create a ListView, populateItem() is called for each item in the
 list which is passed into the ListView and then it goes back and creates
 the Label named chart. The problem is that I'm trying to keep a counter
 on each chart item being created so I can render javascript on the
 component. See below for code and output (for a test with 2 items being
 passed in via the list in the ListView Constructor).

  BEGIN CODE--

 addOrReplace(new ListViewStringBuilder(graphTable,xml){
                       �...@override
                        protected void
populateItem(ListItemStringBuilder  item){
                                StringBuilder sb = (StringBuilder)
item.getModelObject();
                                System.out.println(populating item number
- +divNum);
                                Label chart = new Label(chart,new
Model()){
                                       �...@override
                                        protected void
onComponentTag(final ComponentTag tag){
                                                System.out.println(adding
componentTag with id=+divNum);
                                                super.onComponentTag(tag);
                                                tag.put(id, chart_+
divNum);
                                        }
                                };

                                item.add(chart);

                                Label script = new
Label(script,parseJS(sb,chart_+divNum));

                                script.setRenderBodyOnly(true);
                                script.setEscapeModelStrings(false);

                                item.add(script);
                                divNum++;
                        }
                });

 -- END CODE -


 -- BEGIN OUTPUT -

 populating item number - 0
 populating item number - 1
 adding componentTag with id=2
 adding componentTag with id=2

 --- END OUTPUT --

 I need the componentTag to correspond with the numbers listed after
 populating item number

 for example, I need the output to show something to the affect of:

 populating item number - 0
 adding componentTag with id=0
 populating item number - 1
 adding componentTag with id=1

 or

 populating item number - 0
 populating item number - 1
 adding componentTag with id=0
 adding componentTag with id=1




 
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Re: Listview clears all the data in the textfileds after adding new element in the List

[Martin Makundi]

ListView always popupates rows with new elements. That's why their
state is cleared. You have two options:

1. call  listview.setReuseItems - this will keep the old rows
2. if you need something more fancy and want to repopulate the rows,
you will need to use a reusemanager that can copy the component
states from the previous components:
http://old.nabble.com/Check%28box%29-loses-checked-state-after-error-td26079574.html

**
Martin

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Re: Listview clears all the data in the textfileds after adding new element in the List

[Sven Meier]

Hi,

if you're using a Link, the browser won't send the edited values back to 
your application.

Use a SubmitLink instead.

Sven

ayman elwany wrote:

Hi All ,
I'm new to Apache Wicket , I started working with it from 2 weeks and I'm
really enjoying it .but I have a little problem that I don't know what is
the problem with  it .

I have a Listview  contains  three text fields as a table data raw with a
Link which onClick adds a raw to the List view ,and everything works fine
except that the text fields gets cleared whenever I Press the add Link and a
new raw added . here is my Html Mark up

*HTML:*
tr wicket:id=employersList
tdinput type=text wicket:id=companyName //td
tdinput type=text wicket:id=startDate //td
tdinput type=text wicket:id=endDate //td
/tr
tr
tda wicket:id=add href=#add/a/td
/tr

*J**ava code:*

*public class CarPage extends WebPage {*
*  .. *
* ...*
*   ** *private ListEmployer employerList =new ArrayListEmployer();

  public CarPage() {

**
**
ListView employersListView=getEmployersListView();
add(employersListView);
 Link addLink=new Link(add) {...@override
public void onClick() {
// TODO Auto-generated method stub
employerList.add(new Employer());
}
};
add(addLink);

  }

   private ListView getEmployersListView() {
// TODO Auto-generated method stub
 ListView employersListView=new ListView(employersList,employerList) {
@Override
protected void populateItem(ListItem  item) {
// TODO Auto-generated method stub
Employer employer=(Employer)item.getModelObject();
item.add(new TextFieldString(companyName,new
PropertyModelString(employer, companyName)));
 item.add(new DateTextField(startDate,
new PropertyModelDate(employer, startDate), new StyleDateConverter(
S-, true)).add(new DatePicker()));

item.add(new DateTextField(endDate,
new PropertyModelDate(employer, endDate), new StyleDateConverter(
S-, true)).add(new DatePicker()));
}
};
 return employersListView;
}
* ...*
*...*
}
class Employer implements Serializable{

String companyName;
Date startDate, endDate;
//Setters and getters
}


Thanks in advnce ...

  



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Re: Listview clears all the data in the textfileds after adding new element in the List

[ayman elwany]

Thanks Sven , it is working now , In the beginning it wasn't working at all
but after that I put the ListView and submitLink in a form and then worked.
Thanks again..

form wicket:id=ListForm
tr
tdstrongfont size=4Employer :/font/strong/td
/tr
tr wicket:id=employersList
tdinput type=text wicket:id=companyName //td
tdinput type=text wicket:id=startDate //td
tdinput type=text wicket:id=endDate //td
/tr
tr
tda wicket:id=add href=#add/a/td
/tr
/form


On Fri, Dec 25, 2009 at 3:00 PM, Sven Meier s...@meiers.net wrote:

 Hi,

 if you're using a Link, the browser won't send the edited values back to
 your application.
 Use a SubmitLink instead.

 Sven

 ayman elwany wrote:

 Hi All ,
 I'm new to Apache Wicket , I started working with it from 2 weeks and I'm
 really enjoying it .but I have a little problem that I don't know what is
 the problem with  it .

 I have a Listview  contains  three text fields as a table data raw with a
 Link which onClick adds a raw to the List view ,and everything works
 fine
 except that the text fields gets cleared whenever I Press the add Link and
 a
 new raw added . here is my Html Mark up

 *HTML:*
tr wicket:id=employersList
 tdinput type=text wicket:id=companyName //td
 tdinput type=text wicket:id=startDate //td
 tdinput type=text wicket:id=endDate //td
 /tr
 tr
 tda wicket:id=add href=#add/a/td
 /tr

 *J**ava code:*


 *public class CarPage extends WebPage {*
*  .. *
 * ...*
 *   ** *private ListEmployer employerList =new
 ArrayListEmployer();

  public CarPage() {

**
 **
ListView employersListView=getEmployersListView();
 add(employersListView);
  Link addLink=new Link(add) {...@override
 public void onClick() {
 // TODO Auto-generated method stub
 employerList.add(new Employer());
 }
 };
 add(addLink);

  }

   private ListView getEmployersListView() {
 // TODO Auto-generated method stub
  ListView employersListView=new ListView(employersList,employerList) {
 @Override
 protected void populateItem(ListItem  item) {
 // TODO Auto-generated method stub
 Employer employer=(Employer)item.getModelObject();
 item.add(new TextFieldString(companyName,new
 PropertyModelString(employer, companyName)));
  item.add(new DateTextField(startDate,
 new PropertyModelDate(employer, startDate), new StyleDateConverter(
 S-, true)).add(new DatePicker()));

 item.add(new DateTextField(endDate,
 new PropertyModelDate(employer, endDate), new StyleDateConverter(
 S-, true)).add(new DatePicker()));
 }
 };
  return employersListView;
 }
 * ...*
 *...*
 }
 class Employer implements Serializable{

 String companyName;
 Date startDate, endDate;
//Setters and getters
 }


 Thanks in advnce ...





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Re: Listview clears all the data in the textfileds after adding new element in the List

[ayman elwany]

Hi Martin , thanks for your answer ,I add it the setReuseItems(true); but no
effect , but the problem solved by changing the Link to submitLink and
putting the Listview and the link in  a form so by clicking the link all the
fields in the form will be sent to the application.thanks to Sven for this
solution .

Thanks Martin , also for the reusemanager  I didn't know this before  ,
thanks again

On Fri, Dec 25, 2009 at 2:56 PM, Martin Makundi 
martin.maku...@koodaripalvelut.com wrote:

 ListView always popupates rows with new elements. That's why their
 state is cleared. You have two options:

 1. call  listview.setReuseItems - this will keep the old rows
 2. if you need something more fancy and want to repopulate the rows,
 you will need to use a reusemanager that can copy the component
 states from the previous components:

 http://old.nabble.com/Check%28box%29-loses-checked-state-after-error-td26079574.html

 **
 Martin

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