Maybe some non-html tag can be rendered as placeholder? (for ex.
<wicket-placeholder>)
It will be invisible :)
On Wed, Jan 15, 2020, 17:44 Emond Papegaaij <emond.papega...@gmail.com>
wrote:
> > > According to my tests
> > > textarea with hidden attribute works the same way as `display: none`
> > > (latest Chrome, FF, Chromium)
> > >
>
> Maxim and Andrew: Yes, the display: none is very important. (That's
> why it even has !important). The hidden attribute has the lowest
> priority possible. Any matching CSS rule will override it's behavior.
> For example, if you have this html:
> <html>
> <style>li { display: list-item; }</style>
> <ul><li hidden>This will be visible</li></ul>
> </html>
> The li is visible, even though it has the hidden attribute. This is
> not what we want. Keep in mind that this is about components with
> isVisible() == false. The only reason we render something is because a
> placeholder is needed for Ajax updates.
>
> > Additionally, I think we should not use just
> > [hidden] {
> > ...
> > }
> >
> > in wicker-core.css because this will affect *all* elements in the page.
> And
> > the applications may not want Wicket styling for their own hidden
> elements.
> > The CSS rule should be namespaced with "wicket-something", like
> > wicket-xyz[hidden] {...}
>
> I totally agree with Martin here. hidden already has semantics, we
> shouldn't tamper with that. Adding 'display: none!important' to hidden
> breaks the behavior described above.
>
> > > So I would vote for using `hidden="hidden"` for placeholders and
> preserving
> > > `data-wicket-placeholder`
> > > (due to hidden can be used in regular markup while
> > > `data-wicket-placeholder` is clear way to determine the placeholders)
>
> The data-wicket-placeholder is indeed needed. All placeholders are
> hidden, but not all hidden elements are placeholders. As stated above,
> I'd vote against using the hidden attribute. We need something with a
> wicket namespace here. We can have the CSS match
> [data-wicket-placeholder], but I'm not a big fan of matching data
> attributes in CSS.
>
> Best regards,
> Emond
>
> > >
> > > On Wed, 15 Jan 2020 at 04:55, Andrew Kondratev <and...@kondratev.pro>
> > > wrote:
> > >
> > > > Hi Everyone!
> > > >
> > > > Is this "none !important" actually needed? Elements with hidden
> attribute
> > > > are hidden by themselves, except the cases when they have some
> display
> > > > overrides (see
> > > >
> > >
> https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/hidden
> > > > ).
> > > > If developer/user does override he or she could take care of this by
> > > > himself.
> > > >
> > > > If the only style in core css is this wicket--hidden the whole css
> is,
> > > > probably unnecessary.
> > > >
> > > > ср, 15 янв. 2020 г. в 10:38, Sven Meier <s...@meiers.net>:
> > > >
> > > > > Hi Edmond,
> > > > >
> > > > > then I'll ask again:
> > > > >
> > > > > Why not render a "hidden" attribute and style it in the core css:
> > > > >
> > > > > |[hidden] { display: none !important}|
> > > > >
> > > > > We could get rid of the "data-wicket-placeholder" attribute as
> well,
> > > and
> > > > > let wicket-ajax check on the "hidden" attribute instead.
> > > > >
> > > > > Sven
> > > > >
> > > > > On 14.01.20 21:06, Emond Papegaaij wrote:
> > > > > >> >Using the hidden attribute is no option either,
> > > > > >> >because it is overridden by any css that sets display.
> > > > > >>
> > > > > >> why is that a no-option, hidden elements can be styled too:
> > > > > > Dropping the styling altogether will force our users to package
> their
> > > > > > own styling for artifacts generated by Wicket. These styles are
> not
> > > to
> > > > > > make your application look nice, but to make certain Wicket
> internals
> > > > > > work as expected. In the case of wicket--hidden, not much else
> can be
> > > > > > done than use 'display:none'. In the case of the Form parts, more
> > > > > > elaborate styling is need to keep the extra fields hidden without
> > > > > > using display:none. Why put the burden on the user of Wicket
> when we
> > > > > > can package those styling ourselves? I can put the registration
> of
> > > the
> > > > > > IHeaderContributor in a protected method in WebApplication. That
> way
> > > > > > you can change the behavior in a subclass. You can already
> change the
> > > > > > stylesheet if you need to.
> > > > > >
> > > > > >> Do you mean FormComponentFeedbackBorder's "color:red;" style?
> > > > > >> I wouldn't want that to be located in a 'kitchen-sink' CSS file
> in
> > > the
> > > > > >> future.
> > > > > > Yes, that's the styling I meant. There are more examples. IMHO
> those
> > > > > > are typical candidates for CSS classes, but without styling
> packaged
> > > > > > with Wicket (like with FeedbackPanel). The styling is not going
> to
> > > > > > match the users application anyway. Who would want to use red as
> a
> > > > > > color for a border? Even for me, being colorblind, that color is
> way
> > > > > > too saturated.
> > > > > >
> > > > > > Best regards,
> > > > > > Emond
> > > > > >
> > > > > >> Have fun
> > > > > >> Sven||
> > > > > >> ||
> > > > > >>
> > > > > >>
> > > > > >> On 14.01.20 20:31, Emond Papegaaij wrote:
> > > > > >>> Hi,
> > > > > >>>
> > > > > >>> Sven, we do need styling to hide components.
> > > > > >>> Component.renderPlaceholderTag renders an empty tag for
> whatever it
> > > > > >>> reads from your markup. That fact that it is empty, does not
> mean
> > > it
> > > > > >>> is invisible. For example, in my application I had empty
> list-items
> > > > > >>> (li) popping up all over the place. Using the hidden attribute
> is
> > > no
> > > > > >>> option either, because it is overridden by any css that sets
> > > display.
> > > > > >>> We need something that takes precedence over most styling and
> hides
> > > > > >>> the component for sure.
> > > > > >>>
> > > > > >>> Maxim, I didn't know about the application wide
> > > IHeaderContributors.
> > > > > >>> I'll give that a try, it seems cleaner to me than overriding
> > > > > >>> renderHead in Page.
> > > > > >>>
> > > > > >>> About the contents of the stylesheet, it will probably not
> contain
> > > > > >>> much styling, but it will be more than just wicket--hidden. For
> > > > > >>> example, the styling for the form submit handling markup needs
> to
> > > go
> > > > > >>> there as well. I also found some other places with inline
> styling,
> > > > > >>> like FormComponentFeedbackBorder. We need to decide what to do
> with
> > > > > >>> those as well.
> > > > > >>>
> > > > > >>> Best regards,
> > > > > >>> Emond
> > > > > >>>
> > > > > >>> On Tue, Jan 14, 2020 at 7:19 PM Sven Meier <s...@meiers.net>
> > > wrote:
> > > > > >>>> 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
> > > > >
> > > >
> > >
> > >
> > > --
> > > WBR
> > > Maxim aka solomax
> > >
>
