Hi Maxim,

an empty div with hidden inputs does not take any space.

Try it with wicket-examples.

Have fun
Sven

Am 14. Januar 2020 18:07:23 MEZ schrieb Maxim Solodovnik <solomax...@gmail.com>:
>I thought the main idea is to keep placeholder for any element both
>invisible and "take no space"
>hidden attribute might work instead of `display: none`
>The latter also hides all descendants [1], so I guess it should be
>preferable
>
>[1] https://developer.mozilla.org/en-US/docs/Web/CSS/display
>
>On Wed, 15 Jan 2020 at 00:01, Sven Meier <s...@meiers.net> wrote:
>
>> Hi,
>>
>> do we really need this CSS?
>>
>> AFAIK the 'hidden' markup from Form and Component placeholders do not
>> need any styling actually, they look fine without it.
>> We should add a CSS class to the markup of course, but leave its
>styling
>> to each project.
>>
>> Cases in wicket-examples (UploadProgressBar, deprecated ModalWindow
>and
>> AjaxIndicatorAppender) could switch to a different solution (e.g.
>their
>> own CSS).
>>
>> If wicket-base.css contains ".wicket--hidden" only, the effort isn't
>> worth it IMHO.
>>
>> Sven
>>
>>
>> On 14.01.20 16:23, Maxim Solodovnik wrote:
>> > For example it can be added as
>> > `Application.get().getHeaderContributorListeners()`
>> >
>> > On Tue, 14 Jan 2020 at 16:03, Maxim Solodovnik
><solomax...@gmail.com>
>> wrote:
>> >
>> >> `!important` is not the silver bullet (as well as inline style)
>> >>
>> >> `renderHead` is not as important as `onConfigure`, so I believe it
>> >> shouldn't be made mandatory
>> >> Maybe there is some `hackish` way to inject this css only once for
>any
>> >> component hierarchy?
>> >>
>> >> On Tue, 14 Jan 2020 at 15:55, Emond Papegaaij <
>> emond.papega...@gmail.com>
>> >> wrote:
>> >>
>> >>> Rendering components without a page will indeed require you to
>include
>> >>> the core css file yourself. I think that's better than adding the
>css
>> >>> file with every component, as that will impose a massive
>overhead.
>> >>> I've renamed the css file to wicket-core.css as suggested by
>Martin.
>> >>> The idea is to collect all styling used with wicket-core in this
>css
>> >>> file. I do not like the idea to use a behavior for adding the
>> >>> stylesheet, as that will increase the size of every page. Maybe a
>> >>> temporary behavior can be used, but that will need to be re-added
>on
>> >>> every render then. Maybe, we can add a check to super.renderHead,
>like
>> >>> we do with onConfgure and onInitialize?
>> >>>
>> >>> Using the hidden attribute is not a good idea, for the same
>reason as
>> >>> I chose to use !important in the css file: any matching css rule
>that
>> >>> is more specify will otherwise override the visibility and cause
>the
>> >>> component to be visible anyway (like display: flex).
>> >>>
>> >>> Best regards,
>> >>> Emond
>> >>>
>> >>> On Tue, Jan 14, 2020 at 9:10 AM Maxim Solodovnik
><solomax...@gmail.com
>> >
>> >>> wrote:
>> >>>> The problem as I see it
>> >>>> The component will be rendered without page (and without CSS
>file
>> >>> itself)
>> >>>> so element with this class will actually be visible ....
>> >>>>
>> >>>> On Tue, 14 Jan 2020 at 15:08, Martin Grigorov
><mgrigo...@apache.org>
>> >>> wrote:
>> >>>>> On Tue, Jan 14, 2020 at 10:01 AM Maxim Solodovnik <
>> >>> solomax...@gmail.com>
>> >>>>> wrote:
>> >>>>>
>> >>>>>> An related question:
>> >>>>>> Will this code
>> >>>>>>
>> >>>>>>
>> >>>
>>
>`org.apache.wicket.core.util.string.ComponentRenderer.renderComponent(Component)`
>> >>>>>> work as expected?
>> >>>>>>
>> >>>>> This method will render the component with
>class="wicket--hidden" on
>> >>> its
>> >>>>> HTML element. With TagTester you can verify
>> >>>>> CSP checks are done only by the browsers.
>> >>>>>
>> >>>>>
>> >>>>>>
>> >>>>>> On Tue, 14 Jan 2020 at 14:15, Maxim Solodovnik <
>> >>> solomax...@gmail.com>
>> >>>>>> wrote:
>> >>>>>>
>> >>>>>>> Is this comment make sense:
>> >>>>>>>
>> >>>
>>
>https://github.com/apache/wicket/commit/6d91a6a9e5c1d955a53571f9fb0f76262ac5c5d2#r36784645
>> >>>>>>> ?
>> >>>>>>>
>> >>>>>>> On Tue, 14 Jan 2020 at 14:13, Martin Grigorov <
>> >>> mgrigo...@apache.org>
>> >>>>>>> wrote:
>> >>>>>>>
>> >>>>>>>> On Tue, Jan 14, 2020 at 9:05 AM Maxim Solodovnik <
>> >>>>> solomax...@gmail.com>
>> >>>>>>>> wrote:
>> >>>>>>>>
>> >>>>>>>>> Wasn't aware of `hidden` attribute
>> >>>>>>>>> (and it seems to be widely supported
>> >>>>>>>>>
>> >>>
>>
>https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/hidden
>> >>>>>>>>> )
>> >>>>>>>>>
>> >>>>>>>> Thanks for the reference, Maxim!
>> >>>>>>>>
>> >>>>>>>> It says "elements that are descendants of a hidden element
>are
>> >>> still
>> >>>>>>>> active, which means that script elements can still execute
>and
>> >>> form
>> >>>>>>>> elements can still submit" and this is different than
>display:
>> >>> none.
>> >>>>>>>> So we should stick with CSS display!
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>>>> Thanks :)
>> >>>>>>>>>
>> >>>>>>>>> On Tue, 14 Jan 2020 at 14:01, Martin Grigorov <
>> >>> mgrigo...@apache.org
>> >>>>>>>>> wrote:
>> >>>>>>>>>
>> >>>>>>>>>> Hi,
>> >>>>>>>>>>
>> >>>>>>>>>> 1) I see that such CSS resource might be used for other
>> >>> needs, not
>> >>>>>>>> just
>> >>>>>>>>>> this particular case but would it be an option to use
>> >>> "hidden"
>> >>>>>>>> attribute
>> >>>>>>>>> in
>> >>>>>>>>>> this case instead of CSS "display" ?
>> >>>>>>>>>>
>> >>>>>>>>>> 2) wicket-core.css instead of wicket-base.css ?
>> >>>>>>>>>>
>> >>>>>>>>>> On Mon, Jan 13, 2020 at 9:43 PM <papega...@apache.org>
>> >>> wrote:
>> >>>>>>>>>>> This is an automated email from the ASF dual-hosted git
>> >>>>>> repository.
>> >>>>>>>>>>> papegaaij pushed a commit to branch csp
>> >>>>>>>>>>> in repository
>> >>> https://gitbox.apache.org/repos/asf/wicket.git
>> >>>>>>>>>>>
>> >>>>>>>>>>> The following commit(s) were added to refs/heads/csp by
>> >>> this
>> >>>>> push:
>> >>>>>>>>>>>       new 6d91a6a  WICKET-6725: replace display:none by
>> >>>>>>>> wicket--hidden
>> >>>>>>>>> css
>> >>>>>>>>>>> class
>> >>>>>>>>>>> 6d91a6a is described below
>> >>>>>>>>>>>
>> >>>>>>>>>>> commit 6d91a6a9e5c1d955a53571f9fb0f76262ac5c5d2
>> >>>>>>>>>>> Author: Emond Papegaaij <emond.papega...@topicus.nl>
>> >>>>>>>>>>> AuthorDate: Mon Jan 13 20:43:01 2020 +0100
>> >>>>>>>>>>>
>> >>>>>>>>>>>      WICKET-6725: replace display:none by wicket--hidden
>css
>> >>>>> class
>> >>>>>>>>>>> ---
>> >>>>>>>>>>>   .../src/main/java/org/apache/wicket/Component.java |  2
>+-
>> >>>>>>>>>>>   .../src/main/java/org/apache/wicket/Page.java      | 11
>> >>> +++++++
>> >>>>>>>>>>>   .../wicket/css/WicketBaseCSSResourceReference.java | 36
>> >>>>>>>>>>> ++++++++++++++++++++++
>> >>>>>>>>>>>   .../java/org/apache/wicket/css/wicket-base.css     |  3
>++
>> >>>>>>>>>>>   .../apache/wicket/settings/ResourceSettings.java   | 31
>> >>>>>>>>>>> +++++++++++++++++++
>> >>>>>>>>>>>   .../ajax/markup/html/AjaxIndicatorAppender.java    |  2
>+-
>> >>>>>>>>>>>   6 files changed, 83 insertions(+), 2 deletions(-)
>> >>>>>>>>>>>
>> >>>>>>>>>>> diff --git
>> >>>>>>>> a/wicket-core/src/main/java/org/apache/wicket/Component.java
>> >>> b/wicket-core/src/main/java/org/apache/wicket/Component.java
>> >>>>>>>>>>> index 9da8ec5..d2da23b 100644
>> >>>>>>>>>>> ---
>> >>> a/wicket-core/src/main/java/org/apache/wicket/Component.java
>> >>>>>>>>>>> +++
>> >>> b/wicket-core/src/main/java/org/apache/wicket/Component.java
>> >>>>>>>>>>> @@ -2367,7 +2367,7 @@ public abstract class Component
>> >>>>>>>>>>>                  response.write(name);
>> >>>>>>>>>>>                  response.write(" id=\"");
>> >>>>>>>>>>>                  response.write(getAjaxRegionMarkupId());
>> >>>>>>>>>>> -               response.write("\" style=\"display:none\"
>> >>>>>>>>>>> data-wicket-placeholder=\"\"></");
>> >>>>>>>>>>> +               response.write("\"
>class=\"wicket--hidden\"
>> >>>>>>>>>>> data-wicket-placeholder=\"\"></");
>> >>>>>>>>>>>                  response.write(name);
>> >>>>>>>>>>>                  response.write(">");
>> >>>>>>>>>>>          }
>> >>>>>>>>>>> diff --git
>> >>>>> a/wicket-core/src/main/java/org/apache/wicket/Page.java
>> >>>>>>>>>>> b/wicket-core/src/main/java/org/apache/wicket/Page.java
>> >>>>>>>>>>> index 3f0f5b5..3d70ad8 100644
>> >>>>>>>>>>> ---
>a/wicket-core/src/main/java/org/apache/wicket/Page.java
>> >>>>>>>>>>> +++
>b/wicket-core/src/main/java/org/apache/wicket/Page.java
>> >>>>>>>>>>> @@ -24,10 +24,13 @@ import java.util.Set;
>> >>>>>>>>>>>
>> >>>>>>>>>>>   import
>> >>>>>> org.apache.wicket.authorization.UnauthorizedActionException;
>> >>>>>>>>>>>   import org.apache.wicket.core.util.lang.WicketObjects;
>> >>>>>>>>>>> +import
>> >>> org.apache.wicket.css.WicketBaseCSSResourceReference;
>> >>>>>>>>>>>   import org.apache.wicket.feedback.FeedbackDelay;
>> >>>>>>>>>>>   import org.apache.wicket.markup.MarkupException;
>> >>>>>>>>>>>   import org.apache.wicket.markup.MarkupStream;
>> >>>>>>>>>>>   import org.apache.wicket.markup.MarkupType;
>> >>>>>>>>>>> +import org.apache.wicket.markup.head.CssHeaderItem;
>> >>>>>>>>>>> +import org.apache.wicket.markup.head.IHeaderResponse;
>> >>>>>>>>>>>   import org.apache.wicket.markup.html.WebPage;
>> >>>>>>>>>>>   import
>> >>> org.apache.wicket.markup.resolver.IComponentResolver;
>> >>>>>>>>>>>   import org.apache.wicket.model.IModel;
>> >>>>>>>>>>> @@ -1003,6 +1006,14 @@ public abstract class Page extends
>> >>>>>>>>> MarkupContainer
>> >>>>>>>>>>>                  }
>> >>>>>>>>>>>          }
>> >>>>>>>>>>>
>> >>>>>>>>>>> +       @Override
>> >>>>>>>>>>> +       public void renderHead(IHeaderResponse response)
>> >>>>>>>>>>> +       {
>> >>>>>>>>>>> +               super.renderHead(response);
>> >>>>>>>>>>> +               response.render(
>> >>>>>>>>>>> +
>> >>>>>>>>>>>
>> >>>
>>
>CssHeaderItem.forReference(getApplication().getResourceSettings().getWicketBaseCSS()));
>> >>>>>>>>>>> +       }
>> >>>>>>>>>>> +
>> >>>>>>>>>>>          /**
>> >>>>>>>>>>>           * THIS METHOD IS NOT PART OF THE WICKET PUBLIC
>> >>> API. DO
>> >>>>>> NOT
>> >>>>>>>>> CALL.
>> >>>>>>>>>>>           *
>> >>>>>>>>>>> diff --git
>> >>>>>>>>>>>
>> >>>
>>
>a/wicket-core/src/main/java/org/apache/wicket/css/WicketBaseCSSResourceReference.java
>> >>>
>>
>b/wicket-core/src/main/java/org/apache/wicket/css/WicketBaseCSSResourceReference.java
>> >>>>>>>>>>> new file mode 100644
>> >>>>>>>>>>> index 0000000..9247216
>> >>>>>>>>>>> --- /dev/null
>> >>>>>>>>>>> +++
>> >>>>>>>>>>>
>> >>>
>>
>b/wicket-core/src/main/java/org/apache/wicket/css/WicketBaseCSSResourceReference.java
>> >>>>>>>>>>> @@ -0,0 +1,36 @@
>> >>>>>>>>>>> +/*
>> >>>>>>>>>>> + * Licensed to the Apache Software Foundation (ASF)
>under
>> >>> one
>> >>>>> or
>> >>>>>>>> more
>> >>>>>>>>>>> + * contributor license agreements.  See the NOTICE file
>> >>>>>> distributed
>> >>>>>>>>> with
>> >>>>>>>>>>> + * this work for additional information regarding
>> >>> copyright
>> >>>>>>>> ownership.
>> >>>>>>>>>>> + * The ASF licenses this file to You under the Apache
>> >>> License,
>> >>>>>>>> Version
>> >>>>>>>>>> 2.0
>> >>>>>>>>>>> + * (the "License"); you may not use this file except in
>> >>>>>> compliance
>> >>>>>>>>> with
>> >>>>>>>>>>> + * the License.  You may obtain a copy of the License at
>> >>>>>>>>>>> + *
>> >>>>>>>>>>> + *      http://www.apache.org/licenses/LICENSE-2.0
>> >>>>>>>>>>> + *
>> >>>>>>>>>>> + * Unless required by applicable law or agreed to in
>> >>> writing,
>> >>>>>>>> software
>> >>>>>>>>>>> + * distributed under the License is distributed on an
>"AS
>> >>> IS"
>> >>>>>>>> BASIS,
>> >>>>>>>>>>> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
>> >>> express
>> >>>>>> or
>> >>>>>>>>>>> implied.
>> >>>>>>>>>>> + * See the License for the specific language governing
>> >>>>>> permissions
>> >>>>>>>> and
>> >>>>>>>>>>> + * limitations under the License.
>> >>>>>>>>>>> + */
>> >>>>>>>>>>> +package org.apache.wicket.css;
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +import
>> >>> org.apache.wicket.request.resource.CssResourceReference;
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +public final class WicketBaseCSSResourceReference
>extends
>> >>>>>>>>>>> CssResourceReference
>> >>>>>>>>>>> +{
>> >>>>>>>>>>> +       private static final long serialVersionUID =
>> >>>>>>>>>> 6795863553105608280L;
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +       private static final
>WicketBaseCSSResourceReference
>> >>>>>>>> INSTANCE =
>> >>>>>>>>>> new
>> >>>>>>>>>>> WicketBaseCSSResourceReference();
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +       public static WicketBaseCSSResourceReference
>get()
>> >>>>>>>>>>> +       {
>> >>>>>>>>>>> +               return INSTANCE;
>> >>>>>>>>>>> +       }
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +       private WicketBaseCSSResourceReference()
>> >>>>>>>>>>> +       {
>> >>>>>>>>>>> +              
>super(WicketBaseCSSResourceReference.class,
>> >>>>>>>>>>> "wicket-base.css");
>> >>>>>>>>>>> +       }
>> >>>>>>>>>>> +}
>> >>>>>>>>>>> diff --git
>> >>>>>>>>>>>
>> >>>>>
>a/wicket-core/src/main/java/org/apache/wicket/css/wicket-base.css
>> >>>>>
>b/wicket-core/src/main/java/org/apache/wicket/css/wicket-base.css
>> >>>>>>>>>>> new file mode 100644
>> >>>>>>>>>>> index 0000000..9bbdd63
>> >>>>>>>>>>> --- /dev/null
>> >>>>>>>>>>> +++
>> >>>>>>>>
>b/wicket-core/src/main/java/org/apache/wicket/css/wicket-base.css
>> >>>>>>>>>>> @@ -0,0 +1,3 @@
>> >>>>>>>>>>> +.wicket--hidden {
>> >>>>>>>>>>> +       display: none!important;
>> >>>>>>>>>>> +}
>> >>>>>>>>>>> \ No newline at end of file
>> >>>>>>>>>>> diff --git
>> >>>>>>>>>>>
>> >>>
>>
>a/wicket-core/src/main/java/org/apache/wicket/settings/ResourceSettings.java
>> >>>
>>
>b/wicket-core/src/main/java/org/apache/wicket/settings/ResourceSettings.java
>> >>>>>>>>>>> index b76fbcd..68317f4 100644
>> >>>>>>>>>>> ---
>> >>>>>>>>>>>
>> >>>
>>
>a/wicket-core/src/main/java/org/apache/wicket/settings/ResourceSettings.java
>> >>>>>>>>>>> +++
>> >>>>>>>>>>>
>> >>>
>>
>b/wicket-core/src/main/java/org/apache/wicket/settings/ResourceSettings.java
>> >>>>>>>>>>> @@ -29,12 +29,14 @@ import
>> >>>>>>>>>>>
>> >>>>>>
>org.apache.wicket.core.util.resource.locator.IResourceStreamLocator;
>> >>>>>>>>>>>   import
>> >>>>>
>org.apache.wicket.core.util.resource.locator.ResourceStreamLocator;
>> >>>>>>>>>>>   import
>> >>>>>>>>>>>
>> >>>
>>
>org.apache.wicket.core.util.resource.locator.caching.CachingResourceStreamLocator;
>> >>>>>>>>>>>   import org.apache.wicket.css.ICssCompressor;
>> >>>>>>>>>>> +import
>> >>> org.apache.wicket.css.WicketBaseCSSResourceReference;
>> >>>>>>>>>>>   import
>org.apache.wicket.javascript.IJavaScriptCompressor;
>> >>>>>>>>>>>   import
>> >>> org.apache.wicket.markup.head.PriorityFirstComparator;
>> >>>>>>>>>>>   import
>> >>>>>>>>>>>
>> >>>>>>
>org.apache.wicket.markup.head.ResourceAggregator.RecordedHeaderItem;
>> >>>>>>>>>>>   import
>> >>> org.apache.wicket.markup.html.IPackageResourceGuard;
>> >>>>>>>>>>>   import
>> >>>>> org.apache.wicket.markup.html.SecurePackageResourceGuard;
>> >>>>>>>>>>>   import org.apache.wicket.request.http.WebResponse;
>> >>>>>>>>>>> +import
>> >>> org.apache.wicket.request.resource.CssResourceReference;
>> >>>>>>>>>>>   import
>> >>>>>>>>>>>
>> >>>
>>
>org.apache.wicket.request.resource.caching.FilenameWithVersionResourceCachingStrategy;
>> >>>>>>>>>>>   import
>> >>>>>>>>>>>
>> >>>>>>
>org.apache.wicket.request.resource.caching.IResourceCachingStrategy;
>> >>>>>>>>>>>   import
>> >>>>>>>>>>>
>> >>>
>org.apache.wicket.request.resource.caching.NoOpResourceCachingStrategy;
>> >>>>>>>>>>> @@ -172,6 +174,8 @@ public class ResourceSettings
>> >>> implements
>> >>>>>>>>>>> IPropertiesFactoryContext
>> >>>>>>>>>>>                  false);
>> >>>>>>>>>>>
>> >>>>>>>>>>>          private boolean encodeJSessionId = false;
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +       private CssResourceReference wicketBaseCSS =
>> >>>>>>>>>>> WicketBaseCSSResourceReference.get();
>> >>>>>>>>>>>
>> >>>>>>>>>>>          /**
>> >>>>>>>>>>>           * Configures Wicket's default
>ResourceLoaders.<br>
>> >>>>>>>>>>> @@ -770,4 +774,31 @@ public class ResourceSettings
>> >>> implements
>> >>>>>>>>>>> IPropertiesFactoryContext
>> >>>>>>>>>>>                  this.encodeJSessionId =
>encodeJSessionId;
>> >>>>>>>>>>>                  return this;
>> >>>>>>>>>>>          }
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +       /**
>> >>>>>>>>>>> +        * Returns the resource reference of the base
>> >>> stylesheet
>> >>>>>> for
>> >>>>>>>>>>> Wicket. This stylesheet contains
>> >>>>>>>>>>> +        * some lowlevel styling used by Wicket.
>> >>>>>>>>>>> +        *
>> >>>>>>>>>>> +        * @return The resource reference of the base
>> >>> stylesheet
>> >>>>>> for
>> >>>>>>>>>>> Wicket.
>> >>>>>>>>>>> +        */
>> >>>>>>>>>>> +       public CssResourceReference getWicketBaseCSS()
>> >>>>>>>>>>> +       {
>> >>>>>>>>>>> +               return wicketBaseCSS;
>> >>>>>>>>>>> +       }
>> >>>>>>>>>>> +
>> >>>>>>>>>>> +       /**
>> >>>>>>>>>>> +        * Replaces the base stylesheet for Wicket.
>> >>> Changes made
>> >>>>>> to
>> >>>>>>>> the
>> >>>>>>>>>>> styling can break functionality
>> >>>>>>>>>>> +        * like {@link
>> >>>>>>>>> Component#setOutputMarkupPlaceholderTag(boolean)},
>> >>>>>>>>>>> causing components that should
>> >>>>>>>>>>> +        * not be visible to be displayed. Make sure the
>> >>>>>> replacement
>> >>>>>>>>>>> stylesheet has matching definitions
>> >>>>>>>>>>> +        * for the corresponding sections in the Wicket
>> >>> version.
>> >>>>>>>>>>> +        *
>> >>>>>>>>>>> +        * @param wicketBaseCSS
>> >>>>>>>>>>> +        *            The replacement styleheet.
>> >>>>>>>>>>> +        * @return {@code this} object for chaining
>> >>>>>>>>>>> +        */
>> >>>>>>>>>>> +       public ResourceSettings
>> >>>>>>>> setWicketBaseCSS(CssResourceReference
>> >>>>>>>>>>> wicketBaseCSS)
>> >>>>>>>>>>> +       {
>> >>>>>>>>>>> +               this.wicketBaseCSS = wicketBaseCSS;
>> >>>>>>>>>>> +               return this;
>> >>>>>>>>>>> +       }
>> >>>>>>>>>>>   }
>> >>>>>>>>>>> diff --git
>> >>>>>>>>>>>
>> >>>
>>
>a/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/AjaxIndicatorAppender.java
>> >>>
>>
>b/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/AjaxIndicatorAppender.java
>> >>>>>>>>>>> index d0fee97..ab1c0a1 100644
>> >>>>>>>>>>> ---
>> >>>>>>>>>>>
>> >>>
>>
>a/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/AjaxIndicatorAppender.java
>> >>>>>>>>>>> +++
>> >>>>>>>>>>>
>> >>>
>>
>b/wicket-extensions/src/main/java/org/apache/wicket/extensions/ajax/markup/html/AjaxIndicatorAppender.java
>> >>>>>>>>>>> @@ -95,7 +95,7 @@ public class AjaxIndicatorAppender
>> >>> extends
>> >>>>>>>> Behavior
>> >>>>>>>>>>>                  super.afterRender(component);
>> >>>>>>>>>>>                  final Response r =
>component.getResponse();
>> >>>>>>>>>>>
>> >>>>>>>>>>> -               r.write("<span style=\"display:none;\"
>> >>>>> class=\"");
>> >>>>>>>>>>> +               r.write("<span class=\"wicket--hidden\"
>> >>>>>> class=\"");
>> >>>>>>>>>>>                  r.write(getSpanClass());
>> >>>>>>>>>>>                  r.write("\" ");
>> >>>>>>>>>>>                  r.write("id=\"");
>> >>>>>>>>>>>
>> >>>>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>> --
>> >>>>>>>>> WBR
>> >>>>>>>>> Maxim aka solomax
>> >>>>>>>>>
>> >>>>>>>
>> >>>>>>> --
>> >>>>>>> WBR
>> >>>>>>> Maxim aka solomax
>> >>>>>>>
>> >>>>>>
>> >>>>>> --
>> >>>>>> WBR
>> >>>>>> Maxim aka solomax
>> >>>>>>
>> >>>>
>> >>>> --
>> >>>> WBR
>> >>>> Maxim aka solomax
>> >>
>> >> --
>> >> WBR
>> >> Maxim aka solomax
>> >>
>> >
>>
>
>
>-- 
>WBR
>Maxim aka solomax

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