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in: JavaScript

ShowHide

Revision as of 01:18, 10 June 2011 by Grunny (talk | contribs) (→‎Updates: +)
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Please submit translations for missing languages to the talkpage instead of putting them in your wiki's Common.js

Feature overview

Localization
Customize button labels according to site (or user) language preference.
Show all / Hide all
[show all] and [hide all] buttons can be placed anywhere on a page and in multiple locations.
All NavFrame blocks on the page are affected however, collapsible tables are not affected by these buttons. This behavior is by design.
Specify collapsed by default
A NavFrame block or collapsible table that also uses the collapsed class will be hidden by default but can always be manually expanded.
Auto-collapse threshold
When the specified number of NavFrame blocks or collapsible tables with the autocollapse class are present on a page then all will collapse by default. The counts are handled separately, so one NavFrame and one collapsible table will not be considered 2.
  • Can be overridden for specific NavFrames if the noautocollapse class is also used.
Specify non-collapsible rows of a table
Using class="nocollapse" on a row will prevent that row from collapsing.
Nesting collapsible content
Nesting collapsible tables is supported.
Nesting NavFrame blocks is supported.
A complementary pair of NavContent blocks enables
In-place magnify/shrink of an image.
Author-specified word-wrap for both image sizes.

Configuration

To use ShowHide please include ShowHide/code.js in your site's MediaWiki:Common.js using:

  • importScriptPage('ShowHide/code.js', 'dev');

You can change the configuration of ShowHide by creating a ShowHideConfig object inside either:

autoCollapse
ShowHideConfig.autoCollapse sets the threshold for default collapse of all collapsible content on a page. When the number of NavFrames or collapsible tables with the autocollapse on the page is equal to or greater than specified number then auto-collapse is triggered.
By default this is set to 2 meaning for example "If there are two or more NavFrames on the page, then hide them all by default", and likewise for collapsible tables with autocollapse on them.
You can change this to any number.
  • Setting it to 0 will make it so things are always collapsed by default.
  • setting it to Infinity will make it so things never auto-collapse. (Note: Infinity is case-sensitive)
  • NavFrames with the noautocollapse class do count toward the NavFrame threshold and are never auto-collapsed but can always be manually collapsed.
  • NavFrames with the collapsed class do count toward the NavFrame threshold and are always initially collapsed but can always be manually expanded.
userLang
(true|false) ShowHide is smart about what language to use to display show/hide messages. Currently by default it will prefer the user's language, but use the content language otherwise, and fall back to English if there are no messages in a desired language. You can disable this by setting the ShowHideConfig.userLang option to false.
langCode
Messages for localization of the language used in button labels can be added using the two-character language code as a key (e.g. ShowHideConfig.en or ShowHideConfig.ja) and then creating an object for four messages. The four messages used are "show", "hide", "showAll", and "hideAll". See example below for how to override the default labels used for the English language. Translations for missing languages can be posted to the talkpage.
linkBefore
Set to true to have ShowHide prepend links to NavFrame instead of appending them.

Example

var ShowHideConfig = { autoCollapse: Infinity };
importScriptPage('ShowHide/code.js', 'dev');
If you prefer to override the default labels for, say, English language then you can use langCode key, en, to do so. This might be done in your personal User:USERNAME/wikia.js or User:USERNAME/monobook.js.
var ShowHideConfig = { 
    autoCollapse: 3,
    en: {
	show: "more",
	hide: "less",
	showAll: "expand all",
	hideAll: "collapse all"
    }
};

Collapsible table

Specify the class collapsible for the table. Optionally specify the class nocollapse for specific rows. viz.

  • Nesting collapsible tables is supported.
    Use class="nocollapse" on the row where the nested table is located to ensure its header row (with the nested show/hide button) remains visible.
Wiki markup Rendered 
{| class="collapsible"
!colspan="2"| This is a test
|-
| Column 1 || Column 2
|}
This is a test
Column 1 Column 2
Table with certain rows specified "nocollapse" 
{| class="wikitable collapsible"
!colspan="2"| Title
|- class="nocollapse"
| Column 1 || Column 2
|- class="nocollapse"
| abc || def
|- 
| 123 || 765
|- 
| xyz || 123
|- class="nocollapse"
| pqr || 987
|-
|}
Title
Column 1 Column 2
abc def
123 765
xyz 123
pqr 987
Nested tables 
{| class="wikitable collapsible"
!colspan="2"| Title
|-
| Column 1 || Column 2
|-
| abc || def
|-
| abc || def
|- class="nocollapse"
|colspan=2|
{| class="toccolours collapsible"
!colspan="2" BGCOLOR="#ffffff"| Embedded table
|- class="nocollapse"
| Column A || Column B
|- class="nocollapse"
||the
|quick
|-
||brown
|fox
|-
|}
|-
| xyz || 123
|-
| pqr || 987
|-
|}
Title
Column 1 Column 2
abc def
abc def
Embedded table
Column A Column B
the quick
brown fox
xyz 123
pqr 987


Collapsible NavFrame block

Use the following class definitions within tag pairs:

NavGlobal
for placing [show all] and [hide all] buttons anywhere on the page
NavFrame
defines a NavFrame block which is the outer wrapper for using the classes NavHead, NavContent and NavPic
NavHead
the header where the show/hide link will be placed
NavContent
block text content that is collapsible (may include a table)
NavPic
image content that is collapsible
  • Nesting NavFrame blocks (tags using the NavFrame class) is supported.
    Check that all tags are closed. If you see progressive indentation then that is a symptom of a tag that was never closed.
Wiki markup Rendered
Default behavior and override behavior 
; collapsed
<div class="NavFrame collapsed">
<div class="NavHead">
[... Title of hidden content(1) ...]
</div>
<div class="NavContent">
[... This content(1) is initially hidden ...]
</div>
</div>

; noautocollapse
<div class="NavFrame noautocollapse">
<div class="NavHead">
[... Title of hide-able content(2) ...]
</div>
<div class="NavContent">
[... This content(2) does not auto-collapse ...]
</div>
</div>

; default
<div class="NavFrame">
<div class="NavHead">
[... Title of hidden content(3) ...]
</div>
<div class="NavContent">
[... This content(3) may auto-collapse ...]<br/>
[...  and contains a collapsible table ...]
{| class="wikitable collapsible"
!colspan="2"| Title
|- class="nocollapse"
| Column 1 || Column 2
|- class="nocollapse"
| abc || def
|- 
| 123 || 765
|- 
| xyz || 123
|- class="nocollapse"
| pqr || 987
|-
|}
</div>
</div>
collapsed
noautocollapse

[... Title of hide-able content(2) ...]

[... This content(2) does not auto-collapse ...]

default

[... Title of hidden content(3) ...]

[... This content(3) may auto-collapse ...]
[... and contains a collapsible table ...]

Title
Column 1 Column 2
abc def
123 765
xyz 123
pqr 987
Nested NavFrame blocks 
<div class="NavFrame">
<div class="NavHead">
[... Title of hidden content(0) ...]
</div>
<div class="NavContent">
[... This content is initially hidden and ...]<br/>
[--- contains the previous example ---]


; collapsed
<div class="NavFrame collapsed">
<div class="NavHead">
[... Title of hidden content(1) ...]
</div>
<div class="NavContent">
[... This content(1) is initially hidden ...]
</div>
</div>

; noautocollapse
<div class="NavFrame noautocollapse">
<div class="NavHead">
[... Title of hide-able content(2) ...]
</div>
<div class="NavContent">
[... This content(2) does not auto-collapse ...]
</div>
</div>

; default
<div class="NavFrame">
<div class="NavHead">
[... Title of hidden content(3) ...]
</div>
<div class="NavContent">
[... This content(3) may auto-collapse ...]<br/>
[...  and contains a collapsible table ...]
{| class="wikitable collapsible"
!colspan="2"| Title
|- class="nocollapse"
| Column 1 || Column 2
|- class="nocollapse"
| abc || def
|- 
| 123 || 765
|- 
| xyz || 123
|- class="nocollapse"
| pqr || 987
|-
|}
</div>
</div>
[--- previous example inserted above here ---]

</div>
</div>

[... Title of hidden content(0) ...]

[... This content is initially hidden and ...]
[--- contains the previous example ---]


collapsed
noautocollapse

[... Title of hide-able content(2) ...]

[... This content(2) does not auto-collapse ...]

default

[... Title of hidden content(3) ...]

[... This content(3) may auto-collapse ...]
[... and contains a collapsible table ...]

Title
Column 1 Column 2
abc def
123 765
xyz 123
pqr 987

[--- previous example inserted above here ---]

NavGlobal DIV placed anywhere on page creates [show all] [hide all] buttons 
<div class="NavGlobal">
<!-- place anywhere on page for 
     [show all]  [hide all]
     buttons                      
-->
</div>

Magnify and shrink pictures without leaving the article

Normally, if you click on the magnify sprite, magnify-clip.png , located right-most inside the thumbnail image caption box you are taken away from the article you were browsing to a page in the File namespace where the detail and history for that image can be viewed. The size of the image displayed there may not be the precise size that the author wanted to show the reader. If you click on the image itself you are taken to that same details page.

  • You can use ShowHide functionality to toggle between a small image and a magnified image in-situ - i.e. without leaving the currently displayed wiki article.
  • The article text will adjust to flow around the expanded image in whichever way the author has designed it to.
  • The author may specify the precise sizes of the smaller image and the larger image.

This is really just a special application of the NavFrame class but with:

  1. two NavContent div elements instead of just one
  2. a potentially confusing relationship between the "display:none" in-line style and the collapsed in-line class tag
  3. careful placement of {{clr}} so as to disable text-wrap based on whichever image is currently visible

Note that using the NavPic class does not yield the same result. Indeed, the NavPic class currently serves no useful purpose.

Caveat
The style display:none will cause the content of that div element to never be displayed at a browser that has disabled (or does not support) javascript.
Wiki markup Rendered
Note how the combined effect of "collapsed" and "display:none;" is for the 120px thumbnail to be initially VISIBLE with a show button displayed to reveal the larger, hidden image. 
Duis aute ...
<!-- "collapsed" will toggle the coded state
     of the in-line style "display:"         -->
<div class="NavFrame collapsed"> 
<div class="NavHead"></div>
<!-- display:none + collapsed 
     => initially VISIBLE small image        -->
<div class="NavContent" style="display:none;" > 
[[File:Tree.jpg|thumb|120px|Caption here]]</div>
<!-- display:block + collapsed 
     => initially INVISIBLE large image      -->
<div class="NavContent" style="display:block;"> 
[[File:Tree.jpg|thumb|360px|Caption here]]</div>
</div>
Lorem ipsum ...

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Notice that the {{clr}} has been placed inside the div associated with the larger 360px image. 
Duis aute ...
<div class="NavFrame collapsed"> 
<div class="NavHead"></div>
<div class="NavContent" style="display:none;" > 
[[File:Tree.jpg|thumb|120px|Caption here]]</div>
<div class="NavContent" style="display:block;"> 
[[File:Tree.jpg|thumb|360px|Caption here]]{{clr}}</div>
<!-- 
{{clr}} on this line would prevent text-wrap beside thumbnail
-->
</div>
Lorem ipsum ...

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.


Repeating the same two example but using Right instead of Thumb for the image and also floating the Show/Hide button right rather than the default.
Wiki markup Rendered
Note how the combined effect of "collapsed" and "display:none;" is for the 120px thumbnail to be initially VISIBLE with a show button displayed to reveal the larger, hidden image. 
Duis aute ...
<!-- "collapsed" will toggle the coded state
     of the in-line style "display:"         -->
<div class="NavFrame collapsed"> 
<div class="NavHead" style="float:right;"></div>
<!-- display:none + collapsed 
     => initially VISIBLE small image        -->
<div class="NavContent" style="display:none;" > 
[[File:Tree.jpg|right|120px|Caption here]]</div>
<!-- display:block + collapsed 
     => initially INVISIBLE large image      -->
<div class="NavContent" style="display:block;"> 
[[File:Tree.jpg|right|360px|Caption here]]</div>
</div>
Lorem ipsum ...

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Notice that the {{clr}} has been placed inside the div associated with the larger 360px image. 
Duis aute ...
<div class="NavFrame collapsed"> 
<div class="NavHead" style="float:right;"></div>
<div class="NavContent" style="display:none;" > 
[[File:Tree.jpg|right|120px|Caption here]]</div>
<div class="NavContent" style="display:block;"> 
[[File:Tree.jpg|right|360px|Caption here]]{{clr}}</div>
<!-- 
{{clr}} on this line would prevent text-wrap beside thumbnail
-->
</div>
Lorem ipsum ...

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Updates

June 10, 2011
  • Japanese i18n.
May 31, 2011
  • Code cleanup, styling and a bug fix for NavFrame collapsing.
February 22, 2011
  • Russian i18n.
January 18, 2011
  • Polish i18n.
June 26, 2010
  • Dutch, German, and French i18n.
December 19, 2009
  • Apply the missing $button node.
  • Support linkBefore config option to switch location of show/hide button.
  • Quote keywords used in keys to avoid breaking older browsers.
July 2, 2009
  • Bugfix for collapsible tables default collapse and nesting of them
July 1, 2009
  • Minor bugfix for show/hide all labels.
June 30, 2009
  • Centralized i18n started and smart choosing of what language to use.
  • Modified and fixed ability to configure ShowHide.
June 29, 2009
  • Fix a minor collapsible tables bug so we fully support nesting of collapsible tables in our version
June 28, 2009
  • Support nocollapse on table rows
June 19th, 2009
  • Support noautocollapse class to stop NavFrame from auto-collapsing certain things.
  • Suggestion from es.pokemon, switched the a to a span using tabIndex, and added code to allow enter to trigger the show/hide.
  • Also support the spacebar.
June 14th, 2009
  • Refactored to use jQuery and posted here.

See also

Community content is available under CC-BY-SA unless otherwise noted.
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