Conditional Blocks

By tsangk

Description

This snippets allows "conditional blocks" to be added to wiki pages. It checks for the two variables provided and if they are matching (or not matching), the content will be shown. Nesting within modules only work in advanced mode (see below). Thanks to James Kanjo for his awesome SUO snippet where I stole some of the front-end and back-end include coding.

Syntax

Basic

attribute	required	values	default	use
type	yes	equal or notequal	none, required	sets the type condition (testing for equal values or non-equal values
unique	no	any string	singlemode	for multiple condition blocks to be included into a single wiki page
var1	no	any string or Wikidot variable	1	one of the variables or values to be tested in the block
var2	no	any string or Wikidot variable	1	one of the variables or values to be tested in the block

Use in a data form template:

[[include :snippets:if START |unique=1|type=equal|var1=%%form_data{agree}%%|var2=iagree]]
You have agreed to the Terms and Conditions of the site.
[[include :snippets:if END]]

Advanced

Two separate components must be used with this. One outside a module, the other may be nested within a module.

:snippets:if-adv (PREPARE)

attribute	required	values	default	use
unique	no	any string	singlemode	a string to match the separate components
var1	no	any string or Wikidot variable	1	the string that will be tested against in the nested component (var2

:snippets:if-adv-nest (START and END)

attribute	required	values	default	use
type	yes	equal or notequal	none, required	sets the type condition (testing for equal values or non-equal values
unique	no	any string	singlemode	this must match the unique id you used for the "prepare" block
var2	no	any string or Wikidot variable	1	the variable which will be tested against the string defined as var1 in PREPARE.

Similar to James' SUO - but only for one person

[[include :snippets:if-adv PREPARE |var1=tsangk]]

[[module ListUsers users="."]]
[[include :snippets:if-adv-nest START|type=equal|var2=%%name%%]]
[/code:conditional-blocks/edit/true Edit this snippet!]
[[include :snippets:if-adv-nest END]]
[[/module]]

[[include :snippets:if-adv PREPARE |unique=1|var1=tsangk]]

[[module ListUsers users="."]]
[[include :snippets:if-adv-nest START|unique=1|type=notequal|var2=%%name%%]]
Hi %%name%%, you're not tsangk!
[[include :snippets:if-adv-nest END]]
[[/module]]

In action

Advanced

Similar to James' SUO - but only for one person

[[include :snippets:if-adv PREPARE |unique=advanced-eg|var1=tsangk]]

[[module ListUsers users="."]]
[[include :snippets:if-adv-nest START|type=equal|unique=advanced-eg|var2=%%name%%]]
[/code:conditional-blocks/edit/true Edit this snippet!]
[[include :snippets:if-adv-nest END]]
[[/module]]

[[module ListUsers users="."]]
[[include :snippets:if-adv-nest START|type=notequal|unique=advanced-eg|var2=%%name%%]]
Hi %%name%%, you're not tsangk!
[[include :snippets:if-adv-nest END]]
[[/module]]

would render:

Notes

• For Conditional Blocks to work inside modules, use the advanced version.
• Unfortunately, variables with spaces will not work in this snippet :(

in Action-live

on the code:_template this is inserted:

---

Thanks to tsangk for this great snippet: conditional-blocks

---

text above inserted with:

[[include :snippets:if START |unique=1|type=equal|var1=%%name%%|var2=conditional-blocks]]
**##red|Thanks to tsangk for this great snippet:##** [[[code:conditional-blocks]]]
[[include :snippets:if END]]

---

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Other snippets posted by tsangk

URL Title with Slash Redirect - 04 Jan 2018 11:32
404 (Page does not exist) Redirect - 20 Nov 2012 11:40
Custom HTML Blocks - 25 Oct 2012 11:30
Syntax Highlighter - 16 Feb 2012 01:45

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the wikidot code

Steven Heynderickx 18 Apr 2012 13:09

Hi Tsangk…

Imagen I want to use this on only one page, and also to better understand what you're doing… Would it be possible to give the code without the includes on one page…

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A - S I M P L E - P L A N by ARTiZEN a startingpoint for simple wikidot solutions.

Re: the wikidot code

tsangk 18 Apr 2012 13:46

This is basically how it works:

[[module CSS]]
.if-equal-default{ display: none; }
.if-equal-VAR1{ display: block !important; }
[[/module]]
[[div class="if-equal-default if-equal-VAR2"]]
Hide content unless VAR1 = VAR2
[[/div]]

By default, the DIV block is hidden by the first statement .if-equal-default{ display: none; }. However, in the case when VAR1 = VAR2, the second line in the CSS module is matched, so the previous statement is overrided. The !important is actually redundant there, as CSS is processed line-by-line.

Let's say VAR1 was apple and VAR2 was banana, the code would render:

[[module CSS]]
.if-equal-default{ display: none; }
.if-equal-apple{ display: block !important; }
[[/module]]
[[div class="if-equal-default if-equal-banana"]]
APPLES ONLY!
[[/div]]

Therefore, the div won't be shown as by default (set by if-equal-default class), the div is not displayed.

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Kenneth Tsang (@jxeeno)

Ok

Steven Heynderickx 18 Apr 2012 14:36

Yes that is what I assumed it would be like… but what I am trying to understand is how did you get the var1 (apple) into the module listpages… that's what I'm after.

Have a look at http://feedback.wikidot.com/wish:780 … because you seemed to manage this
Have a look at http://community.wikidot.com/forum/t-462190/include-with-variable-acting-strange#post-1419497 because you seemed to manage this

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A - S I M P L E - P L A N by ARTiZEN a startingpoint for simple wikidot solutions.

Last edited on 18 Apr 2012 14:42 by Steven Heynderickx Show more

RobElliott 09 Apr 2011 07:26

"Advanced….One inside outside a module, the other may be nested with a module."

Sorry, the English here doesn't make sense. Must it be inside or must it be outside? I assume it's outside.

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Rob Elliott - Strathpeffer, Scotland - Wikidot first line support & community admin team.

Last edited on 09 Apr 2011 07:51 by RobElliott Show more

tsangk 09 Apr 2011 07:54

Fixed. Is it clearer now?

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Kenneth Tsang (@jxeeno)

RobElliott 09 Apr 2011 08:14

Yes thanks. Now off to try it :)

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Rob Elliott - Strathpeffer, Scotland - Wikidot first line support & community admin team.

It is time to write a new blog entry on the community!

Helmut_pdorf 25 Mar 2011 06:36

Hi Kenneth,

Thanks again for the idea to use James Idea for such conditional comparisons!

I think it is time to write a new "blog" entry on the community-news about this snippet!

It works ..

Regards
Helmut

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Service is my success. My webtips:www.blender.org (Open source), Wikidot-Handbook.

Sie können fragen und mitwirken in der deutschsprachigen » User-Gemeinschaft für WikidotNutzer oder
im deutschen » Wikidot Handbuch ?

Re: It is time to write a new blog entry on the community!

tsangk 25 Mar 2011 07:32

I would - but don't have the time. I have a few assignments I have to complete - and they are very time consuming :S

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Kenneth Tsang (@jxeeno)

tsangk 24 Mar 2011 11:37

Thanks James :D

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Kenneth Tsang (@jxeeno)

GoVegan 24 Mar 2011 11:51

You credit me too much!

I'm glad my SUO helped you build this framework :)

The clever thing about SUO was that you use the same include for the opening and closing code blocks via neglecting attributes in the closing block. Whilst the backend coding is compleximicated to manufacture, it makes coding for the end-user easier.

What a great snippet tsangk ! It's going to be part of fantastic applications, never before possible!

RobElliott 24 Mar 2011 12:32

I echo James' comments: great work which I look forward to implementing.

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Rob Elliott - Strathpeffer, Scotland - Wikidot first line support & community admin team.

(account deleted) 24 Mar 2011 19:00

I'll add another echo to the chamber. This looks really cool and I'm also looking forward to giving it a spin.

Thanks Kenneth!

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Community Admin

ok - this works!

Helmut_pdorf 24 Mar 2011 09:33

Sorry, but the template text is now ncouded in all your snippets….!

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Service is my success. My webtips:www.blender.org (Open source), Wikidot-Handbook.

Sie können fragen und mitwirken in der deutschsprachigen » User-Gemeinschaft für WikidotNutzer oder
im deutschen » Wikidot Handbuch ?

Re: ok - this works!

tsangk 24 Mar 2011 09:36

Thanks Helmuti ~!

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Kenneth Tsang (@jxeeno)

Re: ok - this works!

Helmut_pdorf 24 Mar 2011 09:38

You can always change to the %%fullname%% for action-live to show the inlcude only here…

ok - i changed it to the one selected page only :
[[include :snippets:if START |unique=1|type=equal|var1=%%name%%|var2=conditional-blocks]]
@@

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Service is my success. My webtips:www.blender.org (Open source), Wikidot-Handbook.

Sie können fragen und mitwirken in der deutschsprachigen » User-Gemeinschaft für WikidotNutzer oder
im deutschen » Wikidot Handbuch ?

Last edited on 24 Mar 2011 09:44 by Helmut_pdorf Show more

Re: ok - this works!

tsangk 24 Mar 2011 09:40

It's fine. I don't mind it :D

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Kenneth Tsang (@jxeeno)

Re: ok - this works!

tsangk 24 Mar 2011 09:49

You might also want to make bind the code in "code blocks":

text above inserted with:

[[div class="code"]]
@@[[include :snippets:if START |unique=1|type=equal|var1=%%name%%|var2=conditional-blocks]]@@
@@**##red|Thanks to tsangk for this great snippet:##** [[[code:conditional-blocks]]]@@ 
@@[[include :snippets:if END]]@@
[[/div]]

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Kenneth Tsang (@jxeeno)

Last edited on 24 Mar 2011 09:51 by tsangk Show more

tsangk 24 Mar 2011 09:30

Hi Shane and Helmuti! Thanks for checking my new snippet out!

I just updated the documentation with a nestable version. It's experimental and may be unstable - but check it out!

@Helmuti: would it be better to include the horizontal rule in within the conditional block:

[[include :snippets:if START |unique=1|type=equal|var1=%%author%%|var2=tsangk]]
----
**##red|Thanks to tsangk for this great snippet:##** [[[code:conditional-blocks]]] 
----
[[include :snippets:if END]]

EDIT: Oh.. you fixed it… nevermind :D

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Kenneth Tsang (@jxeeno)

Last edited on 24 Mar 2011 09:31 by tsangk Show more

I made a test on the code:_template

Helmut_pdorf 24 Mar 2011 09:14

I inserted.

----

[[include :snippets:if START |unique=1|type=equal|var1=%%author%%|var2=tsangk]]
**##red|Thanks to tsangk for this great snippet:##** [[[code:conditional-blocks]]] 
[[include :snippets:if END]]
----

This results only in a source coding in the rendered output:

<div class="if-equal-1-formdata-hide if-equal-1-tsangk">

<p><strong><span style="color: red;">Thanks to tsangk for this great snippet:</span></strong> <a href="/code:conditional-blocks">conditional-blocks</a></p>
</div>

The css module inserted fpor Author: [[*user tsangk]]{ !!

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Service is my success. My webtips:www.blender.org (Open source), Wikidot-Handbook.

Sie können fragen und mitwirken in der deutschsprachigen » User-Gemeinschaft für WikidotNutzer oder
im deutschen » Wikidot Handbuch ?

Last edited on 24 Mar 2011 09:24 by Helmut_pdorf Show more

leiger 24 Mar 2011 07:58

I've achieved this result before with CSS (with some help from Bryce, possibly… I forget) — but this is simpler to put into a page. Nice work!

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~ Leiger - Wikidot Community Admin - Volunteer
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