RE: Graying Out Disabled Buttons/Controls

2013-06-27 Thread Richard W. Adams
I have egg on my face. After delving into this more deeply, I discovered 
our corporate framework "helpfully" removes disabled buttons before they 
get to the browser. Don't agree with the approach, but it is what it is. 

(slinks away with tail between legs...)




From:   Paul Bors 
To: 
Date:   06/26/2013 11:18 AM
Subject:    RE: Graying Out Disabled Buttons/Controls



Create a quick-start attach it to your e-mail and we'll look it over.
Feel free to use drop box or some other file sharing server.

You're doing something wrong...

~ Thank you,
  Paul Bors

-Original Message-
From: Richard W. Adams [mailto:rwada...@up.com] 
Sent: Wednesday, June 26, 2013 11:41 AM
To: users@wicket.apache.org
Subject: RE: Graying Out Disabled Buttons/Controls

Wow. Now it gets even stranger. I modified the code as follows:

public DisabledButtonPage() {

final Form form = new Form("myForm");
add(form);

final Button enabledButton = new Button("enabled-button");
boolean visible = enabledButton.isVisibleInHierarchy();
System.out.printf("Enabled button visible? %s%n", visible ? "Yes" 
: "No");
System.out.printf("Enabled button's ID: %s%n",
enabledButton.getMarkupId());

final Button disabledButton = createDisabledButton();
visible = disabledButton.isVisibleInHierarchy();
System.out.printf("Disabled button visible? %s%n", visible ? "Yes" 

: "No");
System.out.printf("Disabled button's ID: %s%n",
disabledButton.getMarkupId());

form.add(enabledButton);
form.add(disabledButton);
}
private Button createDisabledButton() {

final Button button = new Button("disabled-button") ;
button.setVisibilityAllowed(true);
button.setVisible(true);
button.setEnabled(false);
return button;
}

Strangely, the output says:

Enabled button visible? Yes
Enabled button's ID: id5
Disabled button visible? Yes
Disabled button's ID: id6

But the generated HTML (snippet below) does NOT show the disabled button; 
it
SHOULD be right after the enabled button

 http://wicket.apache.org";>Enabled Button






From:   Paul Bors 
To: 
Date:   06/26/2013 09:48 AM
Subject:RE: Graying Out Disabled Buttons/Controls



Button -> FormComponent -> WebMarkupContainer -> WebMarkupContainer ->
MarkupContainer -> Component

Inside Component:
  /**
  * Gets whether this component and any children are
visible.
  * 
  * WARNING: this method can be called multiple times 
during
a request. If you override this
  * method, it is a good idea to keep it cheap in terms of
processing. Alternatively, you can
  * call {@link #setVisible(boolean)}.
  * 
  * 
  * @return True if component and any children are visible
  */
 public boolean isVisible()
 {
 return getFlag(FLAG_VISIBLE);
 }

So calling isVisible() on any component would only report the current 
state
for the visible flag but not that of the parent.
Try calling isVisibleInHierarchy() instead:

  /**
  * Checks if the component itself and all its parents are
visible.
  * 
  * @return true if the component and all its parents are
visible.
  */
 public final boolean isVisibleInHierarchy()
 {
 Component parent = getParent();
 if (parent != null &&
!parent.isVisibleInHierarchy())
 {
 return false;
 }
 else
 {
 return
determineVisibility();
 }
 }

Second, why would you have a button attached to a page directly? Isn't 
that
invalid HTML?
I through all form components should be inside a  (even w/o a
wicket:id) otherwise the browser might choke on it...

~ Thank you,
  Paul Bors

-Original Message-
From: Richard W. Adams [mailto:rwada...@up.com]
Sent: Wednesday, June 26, 2013 9:42 AM
To: users@wicket.apache.org
Subject: Re: Graying Out Disabled Buttons/Controls

I believe the parent component (the page itself) is visible. My test page 
is
very simple, with only two buttons, one enabled & the other disabled; both
buttons are children of the page itself. However, only the enabled button
appears in the generated HTML. I've tried changing the order of the 
various
method calls in createDisabledButton(), tried overr

Re: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Joachim Schrod
Timo Schmidt wrote:
> On Wed 26.06.2013 07:30, Richard W. Adams wrote:
>>
>> We have a customer requirement that disabled form buttons be grayed out 
>> rather than Wicket's default behavior of making them invisible.
> 
> In my experience, disabled form elements are rendered with the disabled
> attribute. They are not invisible.

And the rest of the thread tracks the problem that that's not the
case with your example.

But I'd like to add information about "graying out":

>> Google has a lot of discussion on the topic, but I didn't see
>> a "best practice" solution. Does Wicket provide a way to gray
>> out buttons (or any form control, for that matter)?
>>
>> If we have to override something like onRender(),
>> onBeforeRender(), etc. where would be the best place to do
>> this?
> 
> By using CSS yoy may style disabled elements as you like:
> 
> button[disabled], input[disabled], select[disabled], textarea[disabled] {
>...
> }

If you've got CSS predefined and can't change it, there's the
callback method onDisable(ComponentTag) on your form components
that can be overriden to change CSS class of the emittet markup.

Joachim

-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Joachim Schrod, Roedermark, Germany
Email: jsch...@acm.org


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RE: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Paul Bors
Create a quick-start attach it to your e-mail and we'll look it over.
Feel free to use drop box or some other file sharing server.

You're doing something wrong...

~ Thank you,
  Paul Bors

-Original Message-
From: Richard W. Adams [mailto:rwada...@up.com] 
Sent: Wednesday, June 26, 2013 11:41 AM
To: users@wicket.apache.org
Subject: RE: Graying Out Disabled Buttons/Controls

Wow. Now it gets even stranger. I modified the code as follows:

public DisabledButtonPage() {

final Form form = new Form("myForm");
add(form);

final Button enabledButton = new Button("enabled-button");
boolean visible = enabledButton.isVisibleInHierarchy();
System.out.printf("Enabled button visible? %s%n", visible ? "Yes" 
: "No");
System.out.printf("Enabled button's ID: %s%n",
enabledButton.getMarkupId());

final Button disabledButton = createDisabledButton();
visible = disabledButton.isVisibleInHierarchy();
System.out.printf("Disabled button visible? %s%n", visible ? "Yes" 
: "No");
System.out.printf("Disabled button's ID: %s%n",
disabledButton.getMarkupId());

form.add(enabledButton);
form.add(disabledButton);
}
private Button createDisabledButton() {

final Button button = new Button("disabled-button") ;
button.setVisibilityAllowed(true);
button.setVisible(true);
button.setEnabled(false);
return button;
}

Strangely, the output says:

Enabled button visible? Yes
Enabled button's ID: id5
Disabled button visible? Yes
Disabled button's ID: id6

But the generated HTML (snippet below) does NOT show the disabled button; it
SHOULD be right after the enabled button

 http://wicket.apache.org";>Enabled Button






From:   Paul Bors 
To: 
Date:   06/26/2013 09:48 AM
Subject:RE: Graying Out Disabled Buttons/Controls



Button -> FormComponent -> WebMarkupContainer -> WebMarkupContainer ->
MarkupContainer -> Component

Inside Component:
  /**
  * Gets whether this component and any children are
visible.
  * 
  * WARNING: this method can be called multiple times during
a request. If you override this
  * method, it is a good idea to keep it cheap in terms of
processing. Alternatively, you can
  * call {@link #setVisible(boolean)}.
  * 
  * 
  * @return True if component and any children are visible
  */
 public boolean isVisible()
 {
 return getFlag(FLAG_VISIBLE);
 }

So calling isVisible() on any component would only report the current state
for the visible flag but not that of the parent.
Try calling isVisibleInHierarchy() instead:

  /**
  * Checks if the component itself and all its parents are
visible.
  * 
  * @return true if the component and all its parents are
visible.
  */
 public final boolean isVisibleInHierarchy()
 {
 Component parent = getParent();
 if (parent != null &&
!parent.isVisibleInHierarchy())
 {
 return false;
 }
 else
 {
 return
determineVisibility();
 }
 }

Second, why would you have a button attached to a page directly? Isn't that
invalid HTML?
I through all form components should be inside a  (even w/o a
wicket:id) otherwise the browser might choke on it...

~ Thank you,
  Paul Bors

-Original Message-
From: Richard W. Adams [mailto:rwada...@up.com]
Sent: Wednesday, June 26, 2013 9:42 AM
To: users@wicket.apache.org
Subject: Re: Graying Out Disabled Buttons/Controls

I believe the parent component (the page itself) is visible. My test page is
very simple, with only two buttons, one enabled & the other disabled; both
buttons are children of the page itself. However, only the enabled button
appears in the generated HTML. I've tried changing the order of the various
method calls in createDisabledButton(), tried overriding
isVisible() with return true, etc. No matter what I do, though, the the
generated HTML does not include the disabled button.

I'm out of ideas. Does this work in a later version of Wicket (after
1.14.17)?
_

The source HTML (extends a generic page type, whose header/footer display
correctly):

http://wicket.apache.org";>

This page demonstrates the inabili

RE: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Richard W. Adams
Wow. Now it gets even stranger. I modified the code as follows:

public DisabledButtonPage() {

final Form form = new Form("myForm");
add(form);

final Button enabledButton = new Button("enabled-button");
boolean visible = enabledButton.isVisibleInHierarchy();
System.out.printf("Enabled button visible? %s%n", visible ? "Yes" 
: "No");
System.out.printf("Enabled button's ID: %s%n", 
enabledButton.getMarkupId());

final Button disabledButton = createDisabledButton();
visible = disabledButton.isVisibleInHierarchy();
System.out.printf("Disabled button visible? %s%n", visible ? "Yes" 
: "No");
System.out.printf("Disabled button's ID: %s%n", 
disabledButton.getMarkupId());

form.add(enabledButton);
form.add(disabledButton);
}
private Button createDisabledButton() {

final Button button = new Button("disabled-button") ;
button.setVisibilityAllowed(true);
button.setVisible(true);
button.setEnabled(false);
return button;
}

Strangely, the output says:

Enabled button visible? Yes
Enabled button's ID: id5
Disabled button visible? Yes
Disabled button's ID: id6

But the generated HTML (snippet below) does NOT show the disabled button; 
it SHOULD be right after the enabled button


http://wicket.apache.org";>Enabled Button






From:   Paul Bors 
To: 
Date:   06/26/2013 09:48 AM
Subject:RE: Graying Out Disabled Buttons/Controls



Button -> FormComponent -> WebMarkupContainer -> WebMarkupContainer ->
MarkupContainer -> Component

Inside Component:
  /**
  * Gets whether this component and any children are 
visible.
  * 
  * WARNING: this method can be called multiple times 
during a
request. If you override this
  * method, it is a good idea to keep it cheap in terms of
processing. Alternatively, you can
  * call {@link #setVisible(boolean)}.
  * 
  * 
  * @return True if component and any children are visible
  */
 public boolean isVisible()
 {
 return getFlag(FLAG_VISIBLE);
 }

So calling isVisible() on any component would only report the current 
state
for the visible flag but not that of the parent.
Try calling isVisibleInHierarchy() instead:

  /**
  * Checks if the component itself and all its parents are 
visible.
  * 
  * @return true if the component and all its parents are 
visible.
  */
 public final boolean isVisibleInHierarchy()
 {
 Component parent = getParent();
 if (parent != null && 
!parent.isVisibleInHierarchy())
 {
 return false;
 }
 else
 {
 return 
determineVisibility();
 }
 }

Second, why would you have a button attached to a page directly? Isn't 
that
invalid HTML?
I through all form components should be inside a  (even w/o a
wicket:id) otherwise the browser might choke on it...

~ Thank you,
  Paul Bors

-----Original Message-
From: Richard W. Adams [mailto:rwada...@up.com] 
Sent: Wednesday, June 26, 2013 9:42 AM
To: users@wicket.apache.org
Subject: Re: Graying Out Disabled Buttons/Controls

I believe the parent component (the page itself) is visible. My test page 
is
very simple, with only two buttons, one enabled & the other disabled; both
buttons are children of the page itself. However, only the enabled button
appears in the generated HTML. I've tried changing the order of the 
various
method calls in createDisabledButton(), tried overriding
isVisible() with return true, etc. No matter what I do, though, the the
generated HTML does not include the disabled button.

I'm out of ideas. Does this work in a later version of Wicket (after
1.14.17)?
_

The source HTML (extends a generic page type, whose header/footer display
correctly):

http://wicket.apache.org";>

This page demonstrates the inability to make disabled buttons visible,
but grayed out.





_

The source code:
_

public DisabledButtonPage() {

add(new Button("enabled-button"));
add(createDisabledButton());
}
private Button createDisabledButton() {

final Button button = new Button("disabled-button");
   

RE: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Paul Bors
Button -> FormComponent -> WebMarkupContainer -> WebMarkupContainer ->
MarkupContainer -> Component

Inside Component:
  /**
 * Gets whether this component and any children are visible.
 * 
 * WARNING: this method can be called multiple times during a
request. If you override this
 * method, it is a good idea to keep it cheap in terms of
processing. Alternatively, you can
 * call {@link #setVisible(boolean)}.
 * 
 * 
 * @return True if component and any children are visible
 */
public boolean isVisible()
{
return getFlag(FLAG_VISIBLE);
}

So calling isVisible() on any component would only report the current state
for the visible flag but not that of the parent.
Try calling isVisibleInHierarchy() instead:

  /**
 * Checks if the component itself and all its parents are visible.
 * 
 * @return true if the component and all its parents are visible.
 */
public final boolean isVisibleInHierarchy()
{
Component parent = getParent();
if (parent != null && !parent.isVisibleInHierarchy())
{
return false;
}
else
{
return determineVisibility();
}
}

Second, why would you have a button attached to a page directly? Isn't that
invalid HTML?
I through all form components should be inside a  (even w/o a
wicket:id) otherwise the browser might choke on it...

~ Thank you,
  Paul Bors

-Original Message-
From: Richard W. Adams [mailto:rwada...@up.com] 
Sent: Wednesday, June 26, 2013 9:42 AM
To: users@wicket.apache.org
Subject: Re: Graying Out Disabled Buttons/Controls

I believe the parent component (the page itself) is visible. My test page is
very simple, with only two buttons, one enabled & the other disabled; both
buttons are children of the page itself. However, only the enabled button
appears in the generated HTML. I've tried changing the order of the various
method calls in createDisabledButton(), tried overriding
isVisible() with return true, etc. No matter what I do, though, the the
generated HTML does not include the disabled button.

I'm out of ideas. Does this work in a later version of Wicket (after
1.14.17)?
_

The source HTML (extends a generic page type, whose header/footer display
correctly):

http://wicket.apache.org";>

This page demonstrates the inability to make disabled buttons visible,
but grayed out.





_

The source code:
_

public DisabledButtonPage() {

add(new Button("enabled-button"));
add(createDisabledButton());
}
private Button createDisabledButton() {

final Button button = new Button("disabled-button");
button.setVisibilityAllowed(true);
button.setVisible(true);
button.setEnabled(false);
return button;
}





From:   Paul Bors 
To: users@wicket.apache.org
Date:   06/26/2013 08:30 AM
Subject:Re: Graying Out Disabled Buttons/Controls



You need to make sure all of your component parents are also visible.

Remeber that wicket uses a component tree (you can see it in your
DebugToolbar if you add it to your pages).
The inspector looks something like this:

http://www.wicket-library.com/wicket-examples-6.0.x/spring/wicket/bookmarkab
le/org.apache.wicket.devutils.inspector.InspectorPage;jsessionid=76EE1D9ED70
B7660542E78B4C1333951?0&pageId=0



On Wed, Jun 26, 2013 at 9:16 AM, Richard W. Adams  wrote:

> We tried that (code below), but the button does not appear in the 
> generated HTML. We're using Wicket 1.4.17. Do later versions of Wicket 
> render a grayed out (vice invisible) button?
>
> private Button createDisabledButton() {
>
> final Button button = new Button("disabled-button");
> button.setEnabled(false);
> button.setVisible(true);
> return button;
> }
>
>
>
>
> From:   Thomas Matthijs 
> To: users@wicket.apache.org
> Date:   06/26/2013 07:45 AM
> Subject:Re: Graying Out Disabled Buttons/Controls
>
>
>
> On Wed, Jun 26, 2013 at 2:30 PM, Richard W. Adams 
wrote:
>
> > We have a customer requirement that disabled form buttons be grayed
out
> > rather than Wicket's default behavior of making them invisible. 
> > Google
> has
> > a lot of discussion on the topic, but I didn't see a "best practice"
> > solution. Does Wicket provide a way to gray out buttons (or any form 
> > control, for that matter)?
> >
>
>
> Use setEnabled(false) instead of setVisible()
>
>
>
> **
>
> This email and any attachmen

Re: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Richard W. Adams
I believe the parent component (the page itself) is visible. My test page 
is very simple, with only two buttons, one enabled & the other disabled; 
both buttons are children of the page itself. However, only the enabled 
button appears in the generated HTML. I've tried changing the order of the 
various method calls in createDisabledButton(), tried overriding 
isVisible() with return true, etc. No matter what I do, though, the the 
generated HTML does not include the disabled button.

I'm out of ideas. Does this work in a later version of Wicket (after 
1.14.17)?
_

The source HTML (extends a generic page type, whose header/footer display 
correctly):

http://wicket.apache.org";>

This page demonstrates the inability to make disabled buttons visible, 
but grayed out.





_

The source code:
_

public DisabledButtonPage() {

add(new Button("enabled-button"));
add(createDisabledButton());
}
private Button createDisabledButton() {

final Button button = new Button("disabled-button");
button.setVisibilityAllowed(true);
button.setVisible(true);
button.setEnabled(false);
return button;
}





From:   Paul Bors 
To: users@wicket.apache.org
Date:   06/26/2013 08:30 AM
Subject:    Re: Graying Out Disabled Buttons/Controls



You need to make sure all of your component parents are also visible.

Remeber that wicket uses a component tree (you can see it in your
DebugToolbar if you add it to your pages).
The inspector looks something like this:

http://www.wicket-library.com/wicket-examples-6.0.x/spring/wicket/bookmarkable/org.apache.wicket.devutils.inspector.InspectorPage;jsessionid=76EE1D9ED70B7660542E78B4C1333951?0&pageId=0



On Wed, Jun 26, 2013 at 9:16 AM, Richard W. Adams  wrote:

> We tried that (code below), but the button does not appear in the
> generated HTML. We're using Wicket 1.4.17. Do later versions of Wicket
> render a grayed out (vice invisible) button?
>
> private Button createDisabledButton() {
>
> final Button button = new Button("disabled-button");
> button.setEnabled(false);
> button.setVisible(true);
> return button;
> }
>
>
>
>
> From:   Thomas Matthijs 
> To: users@wicket.apache.org
> Date:   06/26/2013 07:45 AM
> Subject:Re: Graying Out Disabled Buttons/Controls
>
>
>
> On Wed, Jun 26, 2013 at 2:30 PM, Richard W. Adams  
wrote:
>
> > We have a customer requirement that disabled form buttons be grayed 
out
> > rather than Wicket's default behavior of making them invisible. Google
> has
> > a lot of discussion on the topic, but I didn't see a "best practice"
> > solution. Does Wicket provide a way to gray out buttons (or any form
> > control, for that matter)?
> >
>
>
> Use setEnabled(false) instead of setVisible()
>
>
>
> **
>
> This email and any attachments may contain information that is
> confidential and/or privileged for the sole use of the intended 
recipient.
>  Any use, review, disclosure, copying, distribution or reliance by 
others,
> and any forwarding of this email or its contents, without the express
> permission of the sender is strictly prohibited by law.  If you are not 
the
> intended recipient, please contact the sender immediately, delete the
> e-mail and destroy all copies.
> **
>



**

This email and any attachments may contain information that is confidential 
and/or privileged for the sole use of the intended recipient.  Any use, review, 
disclosure, copying, distribution or reliance by others, and any forwarding of 
this email or its contents, without the express permission of the sender is 
strictly prohibited by law.  If you are not the intended recipient, please 
contact the sender immediately, delete the e-mail and destroy all copies.
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Re: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Paul Bors
You need to make sure all of your component parents are also visible.

Remeber that wicket uses a component tree (you can see it in your
DebugToolbar if you add it to your pages).
The inspector looks something like this:

http://www.wicket-library.com/wicket-examples-6.0.x/spring/wicket/bookmarkable/org.apache.wicket.devutils.inspector.InspectorPage;jsessionid=76EE1D9ED70B7660542E78B4C1333951?0&pageId=0


On Wed, Jun 26, 2013 at 9:16 AM, Richard W. Adams  wrote:

> We tried that (code below), but the button does not appear in the
> generated HTML. We're using Wicket 1.4.17. Do later versions of Wicket
> render a grayed out (vice invisible) button?
>
> private Button createDisabledButton() {
>
> final Button button = new Button("disabled-button");
> button.setEnabled(false);
> button.setVisible(true);
> return button;
> }
>
>
>
>
> From:   Thomas Matthijs 
> To: users@wicket.apache.org
> Date:   06/26/2013 07:45 AM
> Subject:Re: Graying Out Disabled Buttons/Controls
>
>
>
> On Wed, Jun 26, 2013 at 2:30 PM, Richard W. Adams  wrote:
>
> > We have a customer requirement that disabled form buttons be grayed out
> > rather than Wicket's default behavior of making them invisible. Google
> has
> > a lot of discussion on the topic, but I didn't see a "best practice"
> > solution. Does Wicket provide a way to gray out buttons (or any form
> > control, for that matter)?
> >
>
>
> Use setEnabled(false) instead of setVisible()
>
>
>
> **
>
> This email and any attachments may contain information that is
> confidential and/or privileged for the sole use of the intended recipient.
>  Any use, review, disclosure, copying, distribution or reliance by others,
> and any forwarding of this email or its contents, without the express
> permission of the sender is strictly prohibited by law.  If you are not the
> intended recipient, please contact the sender immediately, delete the
> e-mail and destroy all copies.
> **
>


Re: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Richard W. Adams
We tried that (code below), but the button does not appear in the 
generated HTML. We're using Wicket 1.4.17. Do later versions of Wicket 
render a grayed out (vice invisible) button?

private Button createDisabledButton() {

final Button button = new Button("disabled-button");
button.setEnabled(false);
button.setVisible(true);
return button;
}




From:   Thomas Matthijs 
To: users@wicket.apache.org
Date:   06/26/2013 07:45 AM
Subject:    Re: Graying Out Disabled Buttons/Controls



On Wed, Jun 26, 2013 at 2:30 PM, Richard W. Adams  wrote:

> We have a customer requirement that disabled form buttons be grayed out
> rather than Wicket's default behavior of making them invisible. Google 
has
> a lot of discussion on the topic, but I didn't see a "best practice"
> solution. Does Wicket provide a way to gray out buttons (or any form
> control, for that matter)?
>


Use setEnabled(false) instead of setVisible()



**

This email and any attachments may contain information that is confidential 
and/or privileged for the sole use of the intended recipient.  Any use, review, 
disclosure, copying, distribution or reliance by others, and any forwarding of 
this email or its contents, without the express permission of the sender is 
strictly prohibited by law.  If you are not the intended recipient, please 
contact the sender immediately, delete the e-mail and destroy all copies.
**


Re: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Thomas Matthijs
On Wed, Jun 26, 2013 at 2:30 PM, Richard W. Adams  wrote:

> We have a customer requirement that disabled form buttons be grayed out
> rather than Wicket's default behavior of making them invisible. Google has
> a lot of discussion on the topic, but I didn't see a "best practice"
> solution. Does Wicket provide a way to gray out buttons (or any form
> control, for that matter)?
>


Use setEnabled(false) instead of setVisible()


Re: Graying Out Disabled Buttons/Controls

2013-06-26 Thread Timo Schmidt
On Wed 26.06.2013 07:30, Richard W. Adams wrote:
>
> We have a customer requirement that disabled form buttons be grayed out 
> rather than Wicket's default behavior of making them invisible.

In my experience, disabled form elements are rendered with the disabled
attribute. They are not invisible.


> Google has a lot of discussion on the topic, but I didn't see
> a "best practice" solution. Does Wicket provide a way to gray
> out buttons (or any form control, for that matter)?
>
> If we have to override something like onRender(),
> onBeforeRender(), etc. where would be the best place to do
> this?

By using CSS yoy may style disabled elements as you like:

button[disabled], input[disabled], select[disabled], textarea[disabled] {
   ...
}

  -Timo

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Graying Out Disabled Buttons/Controls

2013-06-26 Thread Richard W. Adams
We have a customer requirement that disabled form buttons be grayed out 
rather than Wicket's default behavior of making them invisible. Google has 
a lot of discussion on the topic, but I didn't see a "best practice" 
solution. Does Wicket provide a way to gray out buttons (or any form 
control, for that matter)?

If we have to override something like onRender(), onBeforeRender(), etc. 
where would be the best place to do this?

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