Re: Sorting Feedback Messages

[Igor Vaynberg]

yep, that was the one...i forgot we fixed it.

-igor


On Wed, Aug 24, 2011 at 3:52 PM, Peter Ertl  wrote:
> here's the related ticket:
>
> https://issues.apache.org/jira/browse/WICKET-2986
>
>
> Am 25.08.2011 um 00:47 schrieb Peter Ertl:
>
>> igor, you mean the sorting criteria or supporting java.io.Serializable for 
>> info(), warn(), error(), success() ?
>>
>> 1.5 accepts Serializable for these methods already...
>>
>> So one more nice feature when you upgrade to 1.5 :-)
>>
>> Am 25.08.2011 um 00:31 schrieb Igor Vaynberg:
>>
>>> there is a long standing issue in jira to address this. something to
>>> queue for 1.6
>>>
>>> -igor
>>>
>>>
>>> On Wed, Aug 24, 2011 at 3:24 PM, Peter Ertl  wrote:
 seems like this works only for error(Serializable)

 the required methods for info() and warn() accepting serializable are 
 missing

 changing these in 1.4 would mean an api break

 however you can add any kind of message easily with

  Session.get().getFeedbackMessages().add(new FeedbackMessage(reporter, 
 message, level))

 ...

 Am 25.08.2011 um 00:18 schrieb Peter Ertl:

> actually the message property for FeedbackMessage is of type 
> java.io.Serializable, not java.lang.String. So you can can add your own 
> custom error message class instead of a plain string.
>
> e.g. inside your page
>
> error(new MessageWithSortCriteria("foobar", 4711))
>
> with
>
> public class MessageWithSortCriteria implements Serializable
> {
> public MessageWithSortCriteria(String message, int sortOrder)
> {
> }
>
> // ...
> }
>
> this useless sample is just to give you an impression :-)
>
> then use a message sorter as Martin said that uses the attribute if 
> present...
>
> only thing you have to care about is that toString() is overridden and 
> returns a user-readable string for rendering messages to the screen.
>
> Am 23.08.2011 um 20:39 schrieb Christian Huber:
>
>> Yes, as i wrote this would be the way to impose a custom sorting on 
>> messages but at the moment the FilterMessage class does not provide 
>> dedicated fields that could be used for a sorting metric. So i was 
>> wondering if there are plans to provide such a thing or if we will be 
>> bound to incooperate this kind of information into the messages 
>> themselves.
>>
>> The Sanity Resort 
>>
>> Am 23.08.2011 19:21, schrieb Martin Grigorov:
>>> I think 
>>> org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
>>> is for that
>>>
>>> On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber 
>>>  wrote:
 Hi,

 I was wondering if there is a way to have feedback messages show up in
 certain order. Like, when you have multiple messages for the user you 
 might
 want to have the most general one (e.g. success/failure) at the top and
 other detail messages shown below.

 From what I have seen so far it looks like this is not possible (at 
 least
 not with 1.4.18)

 As a default messages are rendered in the order they have been 
 provided, so
 usually you can just collect the messages you want to display and then 
 add
 them at the end of your request in the desired order. But there can be
 circumstances where this is not feasible or at least pretty anoying.

 I have seen that a FeedbackPanel can be given a comparator to sort the
 messages but the feedback messages only provide a level field to 
 distinguish
 between info, debug, errror etc. To impose a proper priority order one 
 would
 need a metric orthogonal to message levels preferrably represented by a
 primitive (double would give the biggest freedom here).

 The Component class could be extended to provide additional methods 
 like
 Component#info(String message, double priority) and messages which do 
 not
 have a priority get assigned a default value specified in the 
 Application
 class (could be 0 in the standard implementation).

 Would this be a useful/sensible addition? Is such a thing planned for 
 future
 releases or maybe already available and I just did not see it?

 One workaround/hack to implement this with the current version could 
 be to
 prefix all messages with a numeric string and use a Comparator to 
 parse this
 string and sort accordingly.

 Cheers, Chris

 --
 The Sanity Resort

>>>
>>>
>
>
> 

Re: Sorting Feedback Messages

[Peter Ertl]

here's the related ticket:

https://issues.apache.org/jira/browse/WICKET-2986


Am 25.08.2011 um 00:47 schrieb Peter Ertl:

> igor, you mean the sorting criteria or supporting java.io.Serializable for 
> info(), warn(), error(), success() ?
> 
> 1.5 accepts Serializable for these methods already...
> 
> So one more nice feature when you upgrade to 1.5 :-)
> 
> Am 25.08.2011 um 00:31 schrieb Igor Vaynberg:
> 
>> there is a long standing issue in jira to address this. something to
>> queue for 1.6
>> 
>> -igor
>> 
>> 
>> On Wed, Aug 24, 2011 at 3:24 PM, Peter Ertl  wrote:
>>> seems like this works only for error(Serializable)
>>> 
>>> the required methods for info() and warn() accepting serializable are 
>>> missing
>>> 
>>> changing these in 1.4 would mean an api break
>>> 
>>> however you can add any kind of message easily with
>>> 
>>>  Session.get().getFeedbackMessages().add(new FeedbackMessage(reporter, 
>>> message, level))
>>> 
>>> ...
>>> 
>>> Am 25.08.2011 um 00:18 schrieb Peter Ertl:
>>> 
 actually the message property for FeedbackMessage is of type 
 java.io.Serializable, not java.lang.String. So you can can add your own 
 custom error message class instead of a plain string.
 
 e.g. inside your page
 
 error(new MessageWithSortCriteria("foobar", 4711))
 
 with
 
 public class MessageWithSortCriteria implements Serializable
 {
 public MessageWithSortCriteria(String message, int sortOrder)
 {
 }
 
 // ...
 }
 
 this useless sample is just to give you an impression :-)
 
 then use a message sorter as Martin said that uses the attribute if 
 present...
 
 only thing you have to care about is that toString() is overridden and 
 returns a user-readable string for rendering messages to the screen.
 
 Am 23.08.2011 um 20:39 schrieb Christian Huber:
 
> Yes, as i wrote this would be the way to impose a custom sorting on 
> messages but at the moment the FilterMessage class does not provide 
> dedicated fields that could be used for a sorting metric. So i was 
> wondering if there are plans to provide such a thing or if we will be 
> bound to incooperate this kind of information into the messages 
> themselves.
> 
> The Sanity Resort 
> 
> Am 23.08.2011 19:21, schrieb Martin Grigorov:
>> I think 
>> org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
>> is for that
>> 
>> On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber  
>> wrote:
>>> Hi,
>>> 
>>> I was wondering if there is a way to have feedback messages show up in
>>> certain order. Like, when you have multiple messages for the user you 
>>> might
>>> want to have the most general one (e.g. success/failure) at the top and
>>> other detail messages shown below.
>>> 
>>> From what I have seen so far it looks like this is not possible (at 
>>> least
>>> not with 1.4.18)
>>> 
>>> As a default messages are rendered in the order they have been 
>>> provided, so
>>> usually you can just collect the messages you want to display and then 
>>> add
>>> them at the end of your request in the desired order. But there can be
>>> circumstances where this is not feasible or at least pretty anoying.
>>> 
>>> I have seen that a FeedbackPanel can be given a comparator to sort the
>>> messages but the feedback messages only provide a level field to 
>>> distinguish
>>> between info, debug, errror etc. To impose a proper priority order one 
>>> would
>>> need a metric orthogonal to message levels preferrably represented by a
>>> primitive (double would give the biggest freedom here).
>>> 
>>> The Component class could be extended to provide additional methods like
>>> Component#info(String message, double priority) and messages which do 
>>> not
>>> have a priority get assigned a default value specified in the 
>>> Application
>>> class (could be 0 in the standard implementation).
>>> 
>>> Would this be a useful/sensible addition? Is such a thing planned for 
>>> future
>>> releases or maybe already available and I just did not see it?
>>> 
>>> One workaround/hack to implement this with the current version could be 
>>> to
>>> prefix all messages with a numeric string and use a Comparator to parse 
>>> this
>>> string and sort accordingly.
>>> 
>>> Cheers, Chris
>>> 
>>> --
>>> The Sanity Resort
>>> 
>> 
>> 
 
 
 -
 To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
 For additional commands, e-mail: users-h...@wicket.apache.org
 
>>> 
>>> 
>>> ---

Re: Sorting Feedback Messages

[Peter Ertl]

igor, you mean the sorting criteria or supporting java.io.Serializable for 
info(), warn(), error(), success() ?

1.5 accepts Serializable for these methods already...

So one more nice feature when you upgrade to 1.5 :-)

Am 25.08.2011 um 00:31 schrieb Igor Vaynberg:

> there is a long standing issue in jira to address this. something to
> queue for 1.6
> 
> -igor
> 
> 
> On Wed, Aug 24, 2011 at 3:24 PM, Peter Ertl  wrote:
>> seems like this works only for error(Serializable)
>> 
>> the required methods for info() and warn() accepting serializable are missing
>> 
>> changing these in 1.4 would mean an api break
>> 
>> however you can add any kind of message easily with
>> 
>>   Session.get().getFeedbackMessages().add(new FeedbackMessage(reporter, 
>> message, level))
>> 
>> ...
>> 
>> Am 25.08.2011 um 00:18 schrieb Peter Ertl:
>> 
>>> actually the message property for FeedbackMessage is of type 
>>> java.io.Serializable, not java.lang.String. So you can can add your own 
>>> custom error message class instead of a plain string.
>>> 
>>> e.g. inside your page
>>> 
>>>  error(new MessageWithSortCriteria("foobar", 4711))
>>> 
>>> with
>>> 
>>> public class MessageWithSortCriteria implements Serializable
>>> {
>>>  public MessageWithSortCriteria(String message, int sortOrder)
>>>  {
>>>  }
>>> 
>>> // ...
>>> }
>>> 
>>> this useless sample is just to give you an impression :-)
>>> 
>>> then use a message sorter as Martin said that uses the attribute if 
>>> present...
>>> 
>>> only thing you have to care about is that toString() is overridden and 
>>> returns a user-readable string for rendering messages to the screen.
>>> 
>>> Am 23.08.2011 um 20:39 schrieb Christian Huber:
>>> 
 Yes, as i wrote this would be the way to impose a custom sorting on 
 messages but at the moment the FilterMessage class does not provide 
 dedicated fields that could be used for a sorting metric. So i was 
 wondering if there are plans to provide such a thing or if we will be 
 bound to incooperate this kind of information into the messages themselves.
 
 The Sanity Resort 
 
 Am 23.08.2011 19:21, schrieb Martin Grigorov:
> I think 
> org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
> is for that
> 
> On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber  
> wrote:
>> Hi,
>> 
>> I was wondering if there is a way to have feedback messages show up in
>> certain order. Like, when you have multiple messages for the user you 
>> might
>> want to have the most general one (e.g. success/failure) at the top and
>> other detail messages shown below.
>> 
>> From what I have seen so far it looks like this is not possible (at least
>> not with 1.4.18)
>> 
>> As a default messages are rendered in the order they have been provided, 
>> so
>> usually you can just collect the messages you want to display and then 
>> add
>> them at the end of your request in the desired order. But there can be
>> circumstances where this is not feasible or at least pretty anoying.
>> 
>> I have seen that a FeedbackPanel can be given a comparator to sort the
>> messages but the feedback messages only provide a level field to 
>> distinguish
>> between info, debug, errror etc. To impose a proper priority order one 
>> would
>> need a metric orthogonal to message levels preferrably represented by a
>> primitive (double would give the biggest freedom here).
>> 
>> The Component class could be extended to provide additional methods like
>> Component#info(String message, double priority) and messages which do not
>> have a priority get assigned a default value specified in the Application
>> class (could be 0 in the standard implementation).
>> 
>> Would this be a useful/sensible addition? Is such a thing planned for 
>> future
>> releases or maybe already available and I just did not see it?
>> 
>> One workaround/hack to implement this with the current version could be 
>> to
>> prefix all messages with a numeric string and use a Comparator to parse 
>> this
>> string and sort accordingly.
>> 
>> Cheers, Chris
>> 
>> --
>> The Sanity Resort
>> 
> 
> 
>>> 
>>> 
>>> -
>>> 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 addit

Re: Sorting Feedback Messages

[Igor Vaynberg]

there is a long standing issue in jira to address this. something to
queue for 1.6

-igor


On Wed, Aug 24, 2011 at 3:24 PM, Peter Ertl  wrote:
> seems like this works only for error(Serializable)
>
> the required methods for info() and warn() accepting serializable are missing
>
> changing these in 1.4 would mean an api break
>
> however you can add any kind of message easily with
>
>   Session.get().getFeedbackMessages().add(new FeedbackMessage(reporter, 
> message, level))
>
> ...
>
> Am 25.08.2011 um 00:18 schrieb Peter Ertl:
>
>> actually the message property for FeedbackMessage is of type 
>> java.io.Serializable, not java.lang.String. So you can can add your own 
>> custom error message class instead of a plain string.
>>
>> e.g. inside your page
>>
>>  error(new MessageWithSortCriteria("foobar", 4711))
>>
>> with
>>
>> public class MessageWithSortCriteria implements Serializable
>> {
>>  public MessageWithSortCriteria(String message, int sortOrder)
>>  {
>>  }
>>
>> // ...
>> }
>>
>> this useless sample is just to give you an impression :-)
>>
>> then use a message sorter as Martin said that uses the attribute if 
>> present...
>>
>> only thing you have to care about is that toString() is overridden and 
>> returns a user-readable string for rendering messages to the screen.
>>
>> Am 23.08.2011 um 20:39 schrieb Christian Huber:
>>
>>> Yes, as i wrote this would be the way to impose a custom sorting on 
>>> messages but at the moment the FilterMessage class does not provide 
>>> dedicated fields that could be used for a sorting metric. So i was 
>>> wondering if there are plans to provide such a thing or if we will be bound 
>>> to incooperate this kind of information into the messages themselves.
>>>
>>> The Sanity Resort 
>>>
>>> Am 23.08.2011 19:21, schrieb Martin Grigorov:
 I think 
 org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
 is for that

 On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber  
 wrote:
> Hi,
>
> I was wondering if there is a way to have feedback messages show up in
> certain order. Like, when you have multiple messages for the user you 
> might
> want to have the most general one (e.g. success/failure) at the top and
> other detail messages shown below.
>
> From what I have seen so far it looks like this is not possible (at least
> not with 1.4.18)
>
> As a default messages are rendered in the order they have been provided, 
> so
> usually you can just collect the messages you want to display and then add
> them at the end of your request in the desired order. But there can be
> circumstances where this is not feasible or at least pretty anoying.
>
> I have seen that a FeedbackPanel can be given a comparator to sort the
> messages but the feedback messages only provide a level field to 
> distinguish
> between info, debug, errror etc. To impose a proper priority order one 
> would
> need a metric orthogonal to message levels preferrably represented by a
> primitive (double would give the biggest freedom here).
>
> The Component class could be extended to provide additional methods like
> Component#info(String message, double priority) and messages which do not
> have a priority get assigned a default value specified in the Application
> class (could be 0 in the standard implementation).
>
> Would this be a useful/sensible addition? Is such a thing planned for 
> future
> releases or maybe already available and I just did not see it?
>
> One workaround/hack to implement this with the current version could be to
> prefix all messages with a numeric string and use a Comparator to parse 
> this
> string and sort accordingly.
>
> Cheers, Chris
>
> --
> The Sanity Resort
>


>>
>>
>> -
>> 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: Sorting Feedback Messages

[Peter Ertl]

seems like this works only for error(Serializable)

the required methods for info() and warn() accepting serializable are missing

changing these in 1.4 would mean an api break

however you can add any kind of message easily with

   Session.get().getFeedbackMessages().add(new FeedbackMessage(reporter, 
message, level))

...

Am 25.08.2011 um 00:18 schrieb Peter Ertl:

> actually the message property for FeedbackMessage is of type 
> java.io.Serializable, not java.lang.String. So you can can add your own 
> custom error message class instead of a plain string.
> 
> e.g. inside your page
> 
>  error(new MessageWithSortCriteria("foobar", 4711))
> 
> with 
> 
> public class MessageWithSortCriteria implements Serializable
> {
>  public MessageWithSortCriteria(String message, int sortOrder)
>  {
>  }
> 
> // ...
> }
> 
> this useless sample is just to give you an impression :-)
> 
> then use a message sorter as Martin said that uses the attribute if present...
> 
> only thing you have to care about is that toString() is overridden and 
> returns a user-readable string for rendering messages to the screen.
> 
> Am 23.08.2011 um 20:39 schrieb Christian Huber:
> 
>> Yes, as i wrote this would be the way to impose a custom sorting on messages 
>> but at the moment the FilterMessage class does not provide dedicated fields 
>> that could be used for a sorting metric. So i was wondering if there are 
>> plans to provide such a thing or if we will be bound to incooperate this 
>> kind of information into the messages themselves.
>> 
>> The Sanity Resort 
>> 
>> Am 23.08.2011 19:21, schrieb Martin Grigorov:
>>> I think 
>>> org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
>>> is for that
>>> 
>>> On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber  
>>> wrote:
 Hi,
 
 I was wondering if there is a way to have feedback messages show up in
 certain order. Like, when you have multiple messages for the user you might
 want to have the most general one (e.g. success/failure) at the top and
 other detail messages shown below.
 
 From what I have seen so far it looks like this is not possible (at least
 not with 1.4.18)
 
 As a default messages are rendered in the order they have been provided, so
 usually you can just collect the messages you want to display and then add
 them at the end of your request in the desired order. But there can be
 circumstances where this is not feasible or at least pretty anoying.
 
 I have seen that a FeedbackPanel can be given a comparator to sort the
 messages but the feedback messages only provide a level field to 
 distinguish
 between info, debug, errror etc. To impose a proper priority order one 
 would
 need a metric orthogonal to message levels preferrably represented by a
 primitive (double would give the biggest freedom here).
 
 The Component class could be extended to provide additional methods like
 Component#info(String message, double priority) and messages which do not
 have a priority get assigned a default value specified in the Application
 class (could be 0 in the standard implementation).
 
 Would this be a useful/sensible addition? Is such a thing planned for 
 future
 releases or maybe already available and I just did not see it?
 
 One workaround/hack to implement this with the current version could be to
 prefix all messages with a numeric string and use a Comparator to parse 
 this
 string and sort accordingly.
 
 Cheers, Chris
 
 --
 The Sanity Resort
 
>>> 
>>> 
> 
> 
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
> 


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Re: Sorting Feedback Messages

[Peter Ertl]

actually the message property for FeedbackMessage is of type 
java.io.Serializable, not java.lang.String. So you can can add your own custom 
error message class instead of a plain string.

e.g. inside your page

  error(new MessageWithSortCriteria("foobar", 4711))

with 

public class MessageWithSortCriteria implements Serializable
{
  public MessageWithSortCriteria(String message, int sortOrder)
  {
  }

 // ...
}

this useless sample is just to give you an impression :-)

then use a message sorter as Martin said that uses the attribute if present...

only thing you have to care about is that toString() is overridden and returns 
a user-readable string for rendering messages to the screen.

Am 23.08.2011 um 20:39 schrieb Christian Huber:

> Yes, as i wrote this would be the way to impose a custom sorting on messages 
> but at the moment the FilterMessage class does not provide dedicated fields 
> that could be used for a sorting metric. So i was wondering if there are 
> plans to provide such a thing or if we will be bound to incooperate this kind 
> of information into the messages themselves.
> 
> The Sanity Resort 
> 
> Am 23.08.2011 19:21, schrieb Martin Grigorov:
>> I think 
>> org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
>> is for that
>> 
>> On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber  
>> wrote:
>>> Hi,
>>> 
>>> I was wondering if there is a way to have feedback messages show up in
>>> certain order. Like, when you have multiple messages for the user you might
>>> want to have the most general one (e.g. success/failure) at the top and
>>> other detail messages shown below.
>>> 
>>> From what I have seen so far it looks like this is not possible (at least
>>> not with 1.4.18)
>>> 
>>> As a default messages are rendered in the order they have been provided, so
>>> usually you can just collect the messages you want to display and then add
>>> them at the end of your request in the desired order. But there can be
>>> circumstances where this is not feasible or at least pretty anoying.
>>> 
>>> I have seen that a FeedbackPanel can be given a comparator to sort the
>>> messages but the feedback messages only provide a level field to distinguish
>>> between info, debug, errror etc. To impose a proper priority order one would
>>> need a metric orthogonal to message levels preferrably represented by a
>>> primitive (double would give the biggest freedom here).
>>> 
>>> The Component class could be extended to provide additional methods like
>>> Component#info(String message, double priority) and messages which do not
>>> have a priority get assigned a default value specified in the Application
>>> class (could be 0 in the standard implementation).
>>> 
>>> Would this be a useful/sensible addition? Is such a thing planned for future
>>> releases or maybe already available and I just did not see it?
>>> 
>>> One workaround/hack to implement this with the current version could be to
>>> prefix all messages with a numeric string and use a Comparator to parse this
>>> string and sort accordingly.
>>> 
>>> Cheers, Chris
>>> 
>>> --
>>> The Sanity Resort
>>> 
>> 
>> 


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Re: Sorting Feedback Messages

[Christian Huber]

Yes, as i wrote this would be the way to impose a custom sorting on 
messages but at the moment the FilterMessage class does not provide 
dedicated fields that could be used for a sorting metric. So i was 
wondering if there are plans to provide such a thing or if we will be 
bound to incooperate this kind of information into the messages themselves.


The Sanity Resort 

Am 23.08.2011 19:21, schrieb Martin Grigorov:

I think 
org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
is for that

On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber  wrote:

Hi,

I was wondering if there is a way to have feedback messages show up in
certain order. Like, when you have multiple messages for the user you might
want to have the most general one (e.g. success/failure) at the top and
other detail messages shown below.

 From what I have seen so far it looks like this is not possible (at least
not with 1.4.18)

As a default messages are rendered in the order they have been provided, so
usually you can just collect the messages you want to display and then add
them at the end of your request in the desired order. But there can be
circumstances where this is not feasible or at least pretty anoying.

I have seen that a FeedbackPanel can be given a comparator to sort the
messages but the feedback messages only provide a level field to distinguish
between info, debug, errror etc. To impose a proper priority order one would
need a metric orthogonal to message levels preferrably represented by a
primitive (double would give the biggest freedom here).

The Component class could be extended to provide additional methods like
Component#info(String message, double priority) and messages which do not
have a priority get assigned a default value specified in the Application
class (could be 0 in the standard implementation).

Would this be a useful/sensible addition? Is such a thing planned for future
releases or maybe already available and I just did not see it?

One workaround/hack to implement this with the current version could be to
prefix all messages with a numeric string and use a Comparator to parse this
string and sort accordingly.

Cheers, Chris

--
The Sanity Resort

Re: Sorting Feedback Messages

[Martin Grigorov]

I think 
org.apache.wicket.markup.html.panel.FeedbackPanel.setSortingComparator(Comparator)
is for that

On Tue, Aug 23, 2011 at 8:10 PM, Christian Huber  wrote:
> Hi,
>
> I was wondering if there is a way to have feedback messages show up in
> certain order. Like, when you have multiple messages for the user you might
> want to have the most general one (e.g. success/failure) at the top and
> other detail messages shown below.
>
> From what I have seen so far it looks like this is not possible (at least
> not with 1.4.18)
>
> As a default messages are rendered in the order they have been provided, so
> usually you can just collect the messages you want to display and then add
> them at the end of your request in the desired order. But there can be
> circumstances where this is not feasible or at least pretty anoying.
>
> I have seen that a FeedbackPanel can be given a comparator to sort the
> messages but the feedback messages only provide a level field to distinguish
> between info, debug, errror etc. To impose a proper priority order one would
> need a metric orthogonal to message levels preferrably represented by a
> primitive (double would give the biggest freedom here).
>
> The Component class could be extended to provide additional methods like
> Component#info(String message, double priority) and messages which do not
> have a priority get assigned a default value specified in the Application
> class (could be 0 in the standard implementation).
>
> Would this be a useful/sensible addition? Is such a thing planned for future
> releases or maybe already available and I just did not see it?
>
> One workaround/hack to implement this with the current version could be to
> prefix all messages with a numeric string and use a Comparator to parse this
> string and sort accordingly.
>
> Cheers, Chris
>
> --
> The Sanity Resort 
>



-- 
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com

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