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---+!! <nop>%TOPIC%

*This contrib packages in a convenient way the !JavaScript library and the CSS file needed to implement Twisty sections.*

!TwistyContrib is installed by default in TWiki 4 and used by [[TWiki:Plugins.TwistyPlugin][Twisty Plugin]].

It is recommended to use the !TwistyPlugin as it eases the deployment and use of this contrib.

This Contrib should work in all versions of TWiki. It has been tested against [[TWiki:Codev.CairoRelease][TWiki 3]] and [[TWiki:Codev.DakarRelease][TWiki 4]].

%TOC{title="On this page:"}%

---++ Usage examples

If the contrib is properly installed (and !JavaScript is enabled in your browser) you should see two folding sections below.

---+++ Basic Twisty
<verbatim>
<span id="demo1show" class="twistyTrigger twistyMakeVisible"><button class="twikiButton"> Unfold </button></span>
<span id="demo1hide" class="twistyTrigger twistyHidden"><button class="twikiButton"> Fold </button></span>
<span id="demo1toggle" class="twistyContent twistyMakeHidden">
my twisty content
</span>
</verbatim>

Generates:

<span id="demo1show" class="twistyTrigger twistyMakeVisible"><button class="twikiButton"> Unfold </button></span>
<span id="demo1hide" class="twistyTrigger twistyHidden"><button class="twikiButton"> Fold </button></span>
<span id="demo1toggle" class="twistyContent twistyMakeHidden">
my twisty content
</span>

---+++ Twisty with placeholder text
<verbatim>
<span id="demo2show" class="twistyTrigger twistyMakeVisible"><a href="#">Expand...</a> <span class="twistyPlaceholder">Hamlet is without question the most famous play in the English language...</span></span>
<span id="demo2hide" class="twistyTrigger twistyHidden"><a href="#">Collapse...</a></span>
<span id="demo2toggle" class="twistyContent twistyMakeHidden">
Hamlet is without question the most famous play in the English language. Probably written in 1601 or 1602, the tragedy is a milestone in Shakespeare's dramatic development.
</span>
</verbatim>

Generates:

<span id="demo2show" class="twistyTrigger twistyMakeVisible"><a href="#">Expand...</a> <span class="twistyPlaceholder">Hamlet is without question the most famous play in the English language...</span></span>
<span id="demo2hide" class="twistyTrigger twistyHidden"><a href="#">Collapse...</a></span>
<span id="demo2toggle" class="twistyContent twistyMakeHidden">
Hamlet is without question the most famous play in the English language. Probably written in 1601 or 1602, the tragedy is a milestone in Shakespeare's dramatic development.
</span>

Skins can customize the color of the twisty placeholder by modifiying the =.twistyPlaceholder= style.

---++ Twisty made easy

Manual written by [[TWiki:Main.HaraldJoerg][Harald Joerg]]. Examples require [[TWiki:Plugins.SpreadsheetPlugin][Spreadsheet Plugin]] to work (installed by default).

<blockquote>
Some of my TWiki users are impressed by the optical effect of what can be done with TWiki:Plugins.TwistyPlugin - and they keep asking me: "How do I do that? I don't understand the documentation, and I don't understand the raw text of your topics!"

They indeed have a point here.  The docs aren't easily understood.  It isn't easy to pick all the variables needed from a single example, and just copypasting sometimes fails in embarrassing ways if non-unique =id= attributes are present in a topic.  Maybe it is easy for a power user, but it surely isn't easy _enough_.  There _ought_ to be a way to make it easier.

Well, here you are.

Just set a couple of site preferences, and your users will immediately understand your examples and start writing their own twisties.  And what's more: They'll do so in a _consistent_ way, across all your topics in all webs.
</blockquote>

---+++ You Write 
In your !Main.TWikiPreferences write:
<verbatim>
   * Set FLIP = <span id="twid_%CALC{$SETM(twisty_id, + 1)$GET(twisty_id)}%show" class="twistyTrigger twistyMakeVisible">
       <a href="#">more...</a>
     </span>
     <span id="twid_%CALC{$GET(twisty_id)}%hide" class="twistyTrigger twistyHidden">
       <a href="#">close</a>
     </span>
     <div id="twid_%CALC{$GET(twisty_id)}%toggle" class="twistyContent twistyMakeHidden">
   * Set FLOP = </div>
</verbatim>
%T% You can include the text in a verbatim block if you want (like I have done here).
Additionally I've added plenty of newlines and spaces to make it readable.
This works, and you don't have to care for invalid HTML!

---+++ Your Users Write
In any topic, your users can now write things like this:
<verbatim>
   * *Brace and parenthesize in K&R style* 
     %FLIP% 
     When setting out a code block, use the K&R style of bracketing.  
     That is, place the opening brace at the end of the construct that controls the block. ... 
     %FLOP%
   * *Separate your control keywords from the following opening bracket* 
     %FLIP% 
     Control structures regulate the dynamic behaviour of a program, so the keywords 
     of control structures are the most critical components of a program. ... 
     %FLOP%
</verbatim>

---+++ You See
   * *Brace and parenthesize in K&R style* 
     %FLIP% 
     When setting out a code block, use the K&R style of bracketing.  
     That is, place the opening brace at the end of the construct that controls the block. ... 
     %FLOP%
   * *Separate your control keywords from the following opening bracket* 
     %FLIP% 
     Control structures regulate the dynamic behaviour of a program, so the keywords 
     of control structures are the most critical components of a program. ... 
     %FLOP%

---+++ All on, all off

You can toggle all Twisties on or off at once by putting a link or button on the page with class =twistyExpandAll= or =twistyCollapseAll=.

<verbatim>
<button class="twistyExpandAll twikiButton">Expand all</button> 
<button class="twistyCollapseAll twikiButton">Collapse all</button>
</verbatim>

Creates these controls:

<button class="twistyExpandAll twikiButton">Expand all</button> 
<button class="twistyCollapseAll twikiButton">Collapse all</button>

When you want to use links, write:

<verbatim>
#VarTOGGLE

<a href="#TOGGLE" class="twistyExpandAll">Expand all</a> 
<a href="#TOGGLE" class="twistyCollapseAll">Collapse all</a>
</verbatim>


#VarTOGGLE

<a href="#TOGGLE" class="twistyExpandAll">Expand all</a> 
<a href="#TOGGLE" class="twistyCollapseAll">Collapse all</a>




---++ Settings

	* Set SHORTDESCRIPTION = Twisty section javascript library to open/close content dynamically 
	* Set STUB = TWiki::Contrib::TwistyContrib

---++ Installation Instructions

	* Download the ZIP file from the Plugin web (see below)
	* Unzip ==%TOPIC%.zip== in your ($TWIKI_ROOT) directory. Content:
	| *File:* | *Description:* |
   | ==data/TWiki/TwistyContrib.txt== |  |
   | ==lib/TWiki/Contrib/TwistyContrib.pm== |  |
   | ==pub/TWiki/TwistyContrib/twist.css== |  |
   | ==pub/TWiki/TwistyContrib/twist.js== |  |
   | ==pub/TWiki/TwistyContrib/twist.compressed.js== |  |

	* Optionally, run ==%TOPIC%_installer== to automatically check and install other TWiki modules that this module depends on. You can also do this step manually.
	* Alternatively, manually make sure the dependencies listed in the table below are resolved.
	<table border="1"><tr><th>Name</th><th>Version</th><th>Description</th></tr><tr><td align="left">TWiki::Plugins::BehaviourContrib</td><td align="left">&gt;=1.000</td><td align="left">Required</td></tr></table>


---++ Contrib Info

| Authors: | !JavaScript created by TWiki:Main.SamHasler, Contrib packaged by  TWiki:Main.RafaelAlvarez |
| Copyright &copy;: | 2005 Sam Hasler and Rafael Alvarez, 2006 Arthur Clemens |
| License: | [[http://www.gnu.org/copyleft/gpl.html][GPL]] |
| Dependencies: | <table border="1"><tr><th>Name</th><th>Version</th><th>Description</th></tr><tr><td align="left">TWiki::Plugins::BehaviourContrib</td><td align="left">&gt;=1.000</td><td align="left">Required</td></tr></table> |
| 25 Oct 2006 | 1.2 Arthur Clemens - Updated !JavaScript to support !TwistyPlugin version 1.2  |
| 26 Sep 2006 | 1.010 Arthur Clemens - Complete !JavaScript rewrite |
| 12 Sep 2005 | 1.000 First Version |
| Home: | http://TWiki.org/cgi-bin/view/Plugins/%TOPIC% |
| Feedback: | http://TWiki.org/cgi-bin/view/Plugins/%TOPIC%Dev |
| Appraisal: | http://TWiki.org/cgi-bin/view/Plugins/%TOPIC%Appraisal |

__Related Topics:__ %TWIKIWEB%.TWikiPreferences

Attachments Attachments

	Attachment	Action	Size	Date	Who	Comment
	twist.css	props, move	0.1 K	11 Sep 2005 - 08:27	TWikiContributors	Style Sheet
	twist.js	props, move	3.4 K	11 Sep 2005 - 08:26	TWikiContributors	!JavaScript library

r4 - 22 Feb 2006 - 08:42:37 - TWikiContributor

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