Re: Component disabled if it contains data

[Iamuser]

Hello, 

Thank you all for the help. 

Is there a way to only rerender the two components (inputtext fields) and
not all the page? 
  
So submit should remain like this: 

@Override 
protected void onSubmit() { 
//other stuff 
}

The logic is that I should be able to commit changes only if both input
textfields are filled with data, or if both are empty. If both have data,
then components should become disabled, if both are empty, then the
components should remain editable, if only one of them has data then I
should not be let to submit any change.





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Re: Adding multiple WebSocketBehavior instances to the same page

[Francesco Chicchiriccò]

Hi Martin,
thanks for your prompt reply.

Are you suggesting that the best practice is to add WebSocketBehavior at 
most once per page - and possibly to the page itself?


My current situation is that I have defined three different anonymous 
WebSocketBehavior instances, added to three different panels [1][2][3]: 
panel [1] is added to BasePage,  panel [2] and [3] are added to 
Dashboard, extending BasePage.


With this configuration, only the onConnect() method from [1] is invoked.

If instead I disable [1] (via the if reported below), both [2] and [3] 
onConnect() methods are invoked.


So my actual issue it not really how to asses when to add [1] or not, 
but to have [1][2][3] all added to Dashboard, and [1] to the remaining 
pages.


Regards.

[1] 
https://github.com/apache/syncope/blob/master/client/console/src/main/java/org/apache/syncope/client/console/widgets/ApprovalsWidget.java#L179-L189
[2] 
https://github.com/apache/syncope/blob/master/client/console/src/main/java/org/apache/syncope/client/console/widgets/JobWidget.java#L119-L128
[3] 
https://github.com/apache/syncope/blob/master/client/console/src/main/java/org/apache/syncope/client/console/widgets/ReconciliationWidget.java#L144-L155


On 19/04/2016 18:07, Martin Grigorov wrote:

Hi,

You could use something like:

if (getBehaviors(WebSocketBehavior.class).isEmpty()) {
   add(new WebSocketBehavior() {...});
}

This way only one instance will be added to one page instance.

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

On Tue, Apr 19, 2016 at 5:50 PM, Francesco Chicchiriccò  
wrote:

Hi all,
in the upcoming Syncope 2.0 we are enjoying WebSocketBehavior for making
our admin console UI more reactive.

It mostly works - thanks for this! - but we are experiencing some troubles
lately.

There is a class BasePage which is extended by all other pages, and
contains a panel which adds WebSocketBehavior.
One of such pages (Dashboard) also contains two panels, each of which adds
in turn WebSocketBehavior.

I observe that when the first WebSocketBehavior (in BasePage) is added,
the other two WebSocketBehavior instances' onConnect() method is not
invoked at all.

If instead, I do something like as following, in BasePage:

if (!(pageRef.getPage() instanceof Dashboard)) {
   add(new WebSocketBehavior() {...});
}

everything works as expected (naturally BasePages's WebSocketBehavior does
not come into play): both on Dashboard and other pages.

Any hint?
TIA

Regards.


--
Francesco Chicchiriccò

Tirasa - Open Source Excellence
http://www.tirasa.net/

Involved at The Apache Software Foundation:
member, Syncope PMC chair, Cocoon PMC, Olingo PMC, CXF committer
http://home.apache.org/~ilgrosso/



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Re: Component disabled if it contains data

[Iamuser]

Hello,

Thank you all for the help.

Is there a way to only rerender the two components (inputtext fields) and
not all the page?
 
So submit should remain like this:

@Override
protected void onSubmit() {
//other stuff
}

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Re: Component disabled if it contains data

[Andrew Geery]

Yes, you can do that: simply change the components that you are adding to
the AjaxRequestTarget object to be the form components rather than the
entire form.

You'll need to use something like an AjaxButton so you have access to the
AjaxRequestTarget:

FormComponent c1 = ...
FormComponent c2 = ...
...
new AjaxButton(...) {

  public void onSubmit(AjaxRequestTarget target, Form form) {
 target.add(c1, c2);
  }

}

On Wed, Apr 20, 2016 at 3:21 AM, Iamuser  wrote:

> Hello,
>
> Thank you all for the help.
>
> Is there a way to only rerender the two components (inputtext fields) and
> not all the page?
>
> So submit should remain like this:
>
> @Override
> protected void onSubmit() {
> //other stuff
> }
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Component-disabled-if-it-contains-data-tp4674313p4674320.html
> Sent from the Users forum mailing list archive at Nabble.com.
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>

Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Ernesto Reinaldo Barreiro]

Did it worked?

On Wed, Apr 20, 2016 at 2:15 PM, Ernesto Reinaldo Barreiro <
reier...@gmail.com> wrote:

> Just guessing
>
> OnEventHeaderItem forScript("window", "*beforeunload*", "*function*() { 
> *return
> '**Sure do you want to leave us?'*; }");
>
> On Wed, Apr 20, 2016 at 1:31 PM, Lorne Malvo 
> wrote:
>
>> Thanks Ernesto.
>>
>> I tried using OnEventHeaderItem but can't quite get it to work.
>> What would I use as a target?
>>
>> Thanks!
>>
>>
>>
>> --
>> View this message in context:
>> http://apache-wicket.1842946.n4.nabble.com/Wicket-way-to-show-a-Are-you-sure-you-want-to-navigate-away-page-tp4674323p4674326.html
>> Sent from the Users forum mailing list archive at Nabble.com.
>>
>> -
>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
>> For additional commands, e-mail: users-h...@wicket.apache.org
>>
>>
>
>
> --
> Regards - Ernesto Reinaldo Barreiro
>



-- 
Regards - Ernesto Reinaldo Barreiro

Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Lorne Malvo]

Thanks Ernesto.

I tried using OnEventHeaderItem but can't quite get it to work. 
What would I use as a target?

Thanks!



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Re: Component disabled if it contains data

[Andrew Geery]

It sounds like that, in addition to the behavior, you also need a wicket
validator.

Since the validation condition involves two fields, you'll need to
implement an IFormValidator and add it to the containing form [1].

The #getDependentComponents() method should return the two textfields.

In the #validate(Form) method, you'll want to get the converted input from
the two components and check that they're both null/empty or both not
null/not empty [2].  The reason you need to use the converted input on the
form component, not the model, is that Wicket doesn't update the backing
model until the form is valid.

Andrew

[1]
https://ci.apache.org/projects/wicket/apidocs/6.x/org/apache/wicket/markup/html/form/validation/IFormValidator.html
[2]
https://ci.apache.org/projects/wicket/apidocs/6.x/org/apache/wicket/markup/html/form/FormComponent.html#getConvertedInput()

On Wed, Apr 20, 2016 at 4:09 AM, Iamuser  wrote:

> Hello,
>
> Thank you all for the help.
>
> Is there a way to only rerender the two components (inputtext fields) and
> not all the page?
>
> So submit should remain like this:
>
> @Override
> protected void onSubmit() {
> //other stuff
> }
>
> The logic is that I should be able to commit changes only if both input
> textfields are filled with data, or if both are empty. If both have data,
> then components should become disabled, if both are empty, then the
> components should remain editable, if only one of them has data then I
> should not be let to submit any change.
>
>
>
>
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Component-disabled-if-it-contains-data-tp4674313p4674321.html
> Sent from the Users forum mailing list archive at Nabble.com.
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>

Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Ernesto Reinaldo Barreiro]

Modal window does this like



*// Wicket.Window.unloadConfirmation is deprecated but we need to check it
// for backward compatibility. Remove it after Wicket 7.0 **if
*(*this*.settings.unloadConfirmation
&& Wicket.Window.unloadConfirmation) {
Wicket.Event.add(window, *'beforeunload'*,*this*.onbeforeunload);
}


I see there is also an OnEventHeaderItem...

On Wed, Apr 20, 2016 at 11:57 AM, Lorne Malvo 
wrote:

> Does Wicket have any built in support for showing a "Are you sure you want
> to
> navigate away from this page" message when the user navigates away from the
> page?
>
> What would be the simplest way to detect when a user is trying to navigate
> away from a page, execute some Java code, and then show a "Are you sure you
> want to navigate away..." message?
>
> Thanks!
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Wicket-way-to-show-a-Are-you-sure-you-want-to-navigate-away-page-tp4674323.html
> Sent from the Users forum mailing list archive at Nabble.com.
>
> -
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>
>


-- 
Regards - Ernesto Reinaldo Barreiro

Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Ernesto Reinaldo Barreiro]

Just guessing

OnEventHeaderItem forScript("window", "*beforeunload*", "*function*() { *return
'**Sure do you want to leave us?'*; }");

On Wed, Apr 20, 2016 at 1:31 PM, Lorne Malvo 
wrote:

> Thanks Ernesto.
>
> I tried using OnEventHeaderItem but can't quite get it to work.
> What would I use as a target?
>
> Thanks!
>
>
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Wicket-way-to-show-a-Are-you-sure-you-want-to-navigate-away-page-tp4674323p4674326.html
> Sent from the Users forum mailing list archive at Nabble.com.
>
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>
>


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Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Lorne Malvo]

In this case yes, I do have to execute some logic server side anyway...

Thanks again.

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Re: AjaxCheckBox ListView Bug

[Martin Grigorov]

Hi,

Please try by calling listModules.setReuseItems(true);

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

On Wed, Apr 20, 2016 at 5:23 PM, alexandre ricciardi <
alexandre.ricciardi.reac...@gmail.com> wrote:

> Hello,
>
>
> I want to update a dropdown list with ajax calls triggered by checkboxes.
> I have a ListView of AjaxCheckBoxes but only the first AjaxCheckBox is
> callbacked.
> It appears that all ajax calls are triggered by the first check box.
> Changing the following checkboxes have not effect.
>
> DropDownChoice ddc = new DropDownChoice("ddcName",
> listProps);
> ddc.setOutputMarkupId(true);
> add(ddc);
>
> final IModel thisModel = getModel();
> ListView listModules = new
> ListView("list.module.beans",
> PluginsConfigHelper.getModules()) {
> private static final long serialVersionUID = 1L;
> @Override
> protected void populateItem(ListItem item) {
> AjaxCheckBox box = new AjaxCheckBox("myCheckBox", Model.of(Boolean.TRUE) {
>
> private static final long serialVersionUID = 1L;
>
> @Override
> protected void onUpdate(AjaxRequestTarget target)
> { target.add(ddc); }
>
> };
> box.setOutputMarkupId(true);
> box.setOutputMarkupPlaceholderTag(true);
> item.add(box);
> }
> };
>
> Thanks for your help.
>
> Alexandre
>

"Wicket way" to show a "Are you sure you want to navigate away" page?

[Lorne Malvo]

Does Wicket have any built in support for showing a "Are you sure you want to
navigate away from this page" message when the user navigates away from the
page?

What would be the simplest way to detect when a user is trying to navigate
away from a page, execute some Java code, and then show a "Are you sure you
want to navigate away..." message?

Thanks!

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Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Lorne Malvo]

Hi Ernesto,

thanks - but that didn't quite work. Wicket Ajax Debug tells me "window" is
not in the DOM.

Any other ideas?

Thanks!



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AjaxCheckBox ListView Bug

[alexandre ricciardi]

Hello,


I want to update a dropdown list with ajax calls triggered by checkboxes.
I have a ListView of AjaxCheckBoxes but only the first AjaxCheckBox is
callbacked.
It appears that all ajax calls are triggered by the first check box.
Changing the following checkboxes have not effect.

DropDownChoice ddc = new DropDownChoice("ddcName",
listProps);
ddc.setOutputMarkupId(true);
add(ddc);

final IModel thisModel = getModel();
ListView listModules = new
ListView("list.module.beans",
PluginsConfigHelper.getModules()) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem item) {
AjaxCheckBox box = new AjaxCheckBox("myCheckBox", Model.of(Boolean.TRUE) {

private static final long serialVersionUID = 1L;

@Override
protected void onUpdate(AjaxRequestTarget target)
{ target.add(ddc); }

};
box.setOutputMarkupId(true);
box.setOutputMarkupPlaceholderTag(true);
item.add(box);
}
};

Thanks for your help.

Alexandre

Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Martin Grigorov]

Hi,

Please show us your code.

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

On Wed, Apr 20, 2016 at 2:35 PM, Lorne Malvo 
wrote:

> Hi Ernesto,
>
> thanks - but that didn't quite work. Wicket Ajax Debug tells me "window" is
> not in the DOM.
>
> Any other ideas?
>
> Thanks!
>
>
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Wicket-way-to-show-a-Are-you-sure-you-want-to-navigate-away-page-tp4674323p4674331.html
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>
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>
>

Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Lorne Malvo]

Ernesto thanks for the help.

I made it work by using an AjaxEventBehavior and adding it directly to the
page, like so:


AjaxEventBehavior event = new AjaxEventBehavior("beforeunload") {
@Override
protected void onEvent(final AjaxRequestTarget target) {
// do stuff here
target.appendJavaScript("alert('are you sure want to navigate
away?');");
}
}
add(event);

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Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Ernesto Reinaldo Barreiro]

No idea... You add this with a panel that is updated via AJAX? I will try
it with simple example.

On Wed, Apr 20, 2016 at 2:35 PM, Lorne Malvo 
wrote:

> Hi Ernesto,
>
> thanks - but that didn't quite work. Wicket Ajax Debug tells me "window" is
> not in the DOM.
>
> Any other ideas?
>
> Thanks!
>
>
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Wicket-way-to-show-a-Are-you-sure-you-want-to-navigate-away-page-tp4674323p4674331.html
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>
> -
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>


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Re: "Wicket way" to show a "Are you sure you want to navigate away" page?

[Ernesto Reinaldo Barreiro]

Ok. But this makes an extra roundtrip to the server.. is that what you want?

On Wed, Apr 20, 2016 at 3:16 PM, Lorne Malvo 
wrote:

> Ernesto thanks for the help.
>
> I made it work by using an AjaxEventBehavior and adding it directly to the
> page, like so:
>
>
> AjaxEventBehavior event = new AjaxEventBehavior("beforeunload") {
> @Override
> protected void onEvent(final AjaxRequestTarget target) {
> // do stuff here
> target.appendJavaScript("alert('are you sure want to navigate
> away?');");
> }
> }
> add(event);
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Wicket-way-to-show-a-Are-you-sure-you-want-to-navigate-away-page-tp4674323p4674333.html
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>
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>


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Re: Adding multiple WebSocketBehavior instances to the same page

[Martin Grigorov]

Hi,

There is no point in having more than one WebSocket connections per page.
And actually, Wicket Native WebSockets do not support it out of the box.
The registry with the websocket connections at the server side uses a key
 so there could be just one connection
per page.

Now the next problem is how to be notified when a message comes from the
client, because the behavior is registered somewhere else and not in the
current component...
You could override component's #onEvent() and do something when the payload
is TextMessage but this is not very user friendly :-/
Please create a ticket for improvement!


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

On Wed, Apr 20, 2016 at 9:16 AM, Francesco Chicchiriccò  wrote:

> Hi Martin,
> thanks for your prompt reply.
>
> Are you suggesting that the best practice is to add WebSocketBehavior at
> most once per page - and possibly to the page itself?
>
> My current situation is that I have defined three different anonymous
> WebSocketBehavior instances, added to three different panels [1][2][3]:
> panel [1] is added to BasePage,  panel [2] and [3] are added to Dashboard,
> extending BasePage.
>
> With this configuration, only the onConnect() method from [1] is invoked.
>
> If instead I disable [1] (via the if reported below), both [2] and [3]
> onConnect() methods are invoked.
>
> So my actual issue it not really how to asses when to add [1] or not, but
> to have [1][2][3] all added to Dashboard, and [1] to the remaining pages.
>
> Regards.
>
> [1]
> https://github.com/apache/syncope/blob/master/client/console/src/main/java/org/apache/syncope/client/console/widgets/ApprovalsWidget.java#L179-L189
> [2]
> https://github.com/apache/syncope/blob/master/client/console/src/main/java/org/apache/syncope/client/console/widgets/JobWidget.java#L119-L128
> [3]
> https://github.com/apache/syncope/blob/master/client/console/src/main/java/org/apache/syncope/client/console/widgets/ReconciliationWidget.java#L144-L155
>
>
> On 19/04/2016 18:07, Martin Grigorov wrote:
>
>> Hi,
>>
>> You could use something like:
>>
>> if (getBehaviors(WebSocketBehavior.class).isEmpty()) {
>>add(new WebSocketBehavior() {...});
>> }
>>
>> This way only one instance will be added to one page instance.
>>
>> Martin Grigorov
>> Wicket Training and Consulting
>> https://twitter.com/mtgrigorov
>>
>> On Tue, Apr 19, 2016 at 5:50 PM, Francesco Chicchiriccò <
>> ilgro...@apache.org> wrote:
>>
>>> Hi all,
>>> in the upcoming Syncope 2.0 we are enjoying WebSocketBehavior for making
>>> our admin console UI more reactive.
>>>
>>> It mostly works - thanks for this! - but we are experiencing some
>>> troubles
>>> lately.
>>>
>>> There is a class BasePage which is extended by all other pages, and
>>> contains a panel which adds WebSocketBehavior.
>>> One of such pages (Dashboard) also contains two panels, each of which
>>> adds
>>> in turn WebSocketBehavior.
>>>
>>> I observe that when the first WebSocketBehavior (in BasePage) is added,
>>> the other two WebSocketBehavior instances' onConnect() method is not
>>> invoked at all.
>>>
>>> If instead, I do something like as following, in BasePage:
>>>
>>> if (!(pageRef.getPage() instanceof Dashboard)) {
>>>add(new WebSocketBehavior() {...});
>>> }
>>>
>>> everything works as expected (naturally BasePages's WebSocketBehavior
>>> does
>>> not come into play): both on Dashboard and other pages.
>>>
>>> Any hint?
>>> TIA
>>>
>>> Regards.
>>>
>>
> --
> Francesco Chicchiriccò
>
> Tirasa - Open Source Excellence
> http://www.tirasa.net/
>
> Involved at The Apache Software Foundation:
> member, Syncope PMC chair, Cocoon PMC, Olingo PMC, CXF committer
> http://home.apache.org/~ilgrosso/
>
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>

Re: AjaxCheckBox ListView Bug

[Sven Meier]

Hi,

check your markup - you should not have an id in there:

id="all_checkboxes_have_the_same_id"/>


Have fun
Sven

On 20.04.2016 17:23, alexandre ricciardi wrote:

Hello,


I want to update a dropdown list with ajax calls triggered by checkboxes.
I have a ListView of AjaxCheckBoxes but only the first AjaxCheckBox is
callbacked.
It appears that all ajax calls are triggered by the first check box.
Changing the following checkboxes have not effect.

DropDownChoice ddc = new DropDownChoice("ddcName",
listProps);
ddc.setOutputMarkupId(true);
add(ddc);

final IModel thisModel = getModel();
ListView listModules = new
ListView("list.module.beans",
PluginsConfigHelper.getModules()) {
private static final long serialVersionUID = 1L;
@Override
protected void populateItem(ListItem item) {
AjaxCheckBox box = new AjaxCheckBox("myCheckBox", Model.of(Boolean.TRUE) {

private static final long serialVersionUID = 1L;

@Override
protected void onUpdate(AjaxRequestTarget target)
{ target.add(ddc); }

};
box.setOutputMarkupId(true);
box.setOutputMarkupPlaceholderTag(true);
item.add(box);
}
};

Thanks for your help.

Alexandre




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HTTP ERROR:500

[Lon Varscsak]

Hey all, I’m new to wicket and I got this horrendous error earlier today:


I had NO idea what it meant. :P  I was able to debug it and see what was
left in queue, and that reminded me that I hadn’t finished the html for a
new component I had added in the constructor.  My question is, isn’t there
a better way to explain to the developer what’s going on?  It would be
super helpful to newbs like me. ;D

Just a thought.

Thanks,

Lon