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Template documentationThis is a cascade-protection notice, mostly intended for near the top of the documentation pages of template that are subject to cascaded protection because of their transclusion in some other page, and which are expected to have that protection indefinitely.
While a similar template is automatically generated by the system from MediaWiki:Cascadeprotected as an editnotice when someone tries to edit ("view source") on such a template, they have to actually try that before they get any inkling that the template is protected because of cascading. By putting a notice also on the template's /doc page, this should forestall attempts to have the template's protection level reduced to template-editor level (such requests must always be declined in cases of cascade-protection).
Usage
Just add {{Cascade-protected template}} near the top of the template's /doc subpage (usually right below the {{documentation subpage}} header).
In the odd case that the cascade-protected page is not a template, |page= can be used to change the word, e.g. |page=interface page.
This template is not for temporary protection. Many pages get short-term cascade-protected because of transclusion from an article listed on the Main Page for a few days. We do not need to tag then untag 100+ templates with this notice during that period. Volunteer editorial time is Wikipedia's most precious resource, and WP is not BureaucracyPedia.
 | This template is used on approximately 429,000 pages, or roughly 9636% of all pages. To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them. |
 | This template uses Lua: |
| Message box meta-templates | |
|---|---|
| template | context |
{{Ambox}} | article |
{{Cmbox}} | category |
{{Imbox}} | image |
{{Tmbox}} | talk |
{{Fmbox}} | footer / header |
{{Ombox}} | other pages |
{{Mbox}} | auto-detect |
{{Asbox}} | article stub |
{{Dmbox}} | disambiguation |
This is the {{Cmbox}} ([C]ategory [m]essage [box]) metatemplate.
It is used to build message box templates such as {{Category diffuse}} for category pages. It offers several different colours, uses default images if no image parameter is given, and it has some other features.
This template works almost exactly like {{Ambox}} and uses the same parameters.
Usage
Simple usage example:
{{cmbox | text = Some text.}} | Some text. |
Complex example:
{{cmbox
| type = style
| image = [[File:Emblem-question-yellow.svg|40px]]
| style = width: 400px;
| textstyle = color: red; font-weight: bold; font-style: italic;
| text = The message body text.
}}| 文件:Emblem-question-yellow.svg | The message body text. |
Category message box types
The following examples use different type parameters but use no image parameters, thus they use the default images for each type.
 | type=speedy – Speedy deletion templates such as {{db-c1}}. |
| type=delete – Deletion templates such as {{cfd}}. |
 | type=content – Major warnings and problems such as {{Categorization of people disputed}}. |
 | type=style – Minor warnings and problems such as {{Overpopulated category}}. |
| type=notice – Notices and messages of any kind, both permanent and temporary. |
| 文件:Merge-split-transwiki default.svg | type=move – Move, merge, and split messages and proposals such as {{Category redirect}}. |
| 文件:Semi-protection-shackle-keyhole.svg | type=protection – Protection templates such as {{pp}} when shown on a category page. |
Other images
The default images shown above are mostly for convenience. In many cases it is more appropriate to use more specific images. These examples use the image parameter to specify an image other than the default images.
| 文件:Sub-arrows.svg | type = style image = [[File:Sub-arrows.svg|40px]] This image is used for {{Overpopulated category}} and {{Category diffuse}}. |
| 文件:Redirect arrow.svg | type = move image = [[File:Redirect arrow.svg|52px]] This image is used for {{Category redirect}}. |
Special
Some other parameter combinations.
| No type and no image given (default) |
| No type and image=none – No image is used and the text uses the whole message box area. |
| 文件:Gnome globe current event.svg | image = [[File:Gnome globe current event.svg|42px]] imageright = [[File:Nuvola apps bookcase.svg|40px]] | 文件:Nuvola apps bookcase.svg |
| 文件:Gnome globe current event.svg | This category lists articles about current and recent spaceflights. It is populated by the {{Current spaceflight}} template. | 文件:Shuttle.svg |
Parameters
List of all parameters:
{{cmbox
| name = name of the template
| type = speedy / delete / content / style / notice / move / protection
| image = none / [[File:Some image.svg|40px]]
| imageright = [[File:Some image.svg|40px]]
| class = A custom CSS class to apply to the box
| style = CSS values
| textstyle = CSS values
| plainlinks = no
| text = The message body text.
}}name
- (Optional) Name of the template. This adds a CSS class with name
box-nameto the HTML element, for use by bots or scripts.
type
- If no type parameter is given, the template defaults to type notice. That means it gets a blue background.
image
- No parameter = If no image parameter is given, the template uses a default image. Which default image it uses depends on the type parameter.
- An image = Should be an image with usual wiki notation. 40px - 50px width is usually about right depending on the image height-to-width ratio (but the message box can handle images of any size).
- For example:
image = [[File:Sub-arrows.svg|40px]]
- For example:
- none = Means that no image is used.
imageright
- No parameter = If no imageright parameter is given, no image is shown on the right side.
- An image = Should be an image with usual wiki notation. 40px - 50px width is usually about right depending on the image height-to-width ratio (but the message box can handle images of any size).
- For example:
imageright = [[File:Nuvola apps bookcase.png|40px]]
- For example:
- Anything = Any other object that you want to show on the right side.
style
- An optional CSS value used by the entire message box table. Without quotation marks
" ".- For example:
style = margin-bottom: 0.5em;
- For example:
textstyle
- An optional CSS value used by the text cell.
- For example:
textstyle = text-align: center;
- For example:
plainlinks
- Normally on Wikipedia, external links have an arrow icon next to them, like this: Example.com. However, in message boxes, the arrow icon is suppressed by default, like this: Example.com. To get the normal style of external link with the arrow icon, use
|plainlinks=no.
text
- The message body text.
Technical details
If you need to use special characters in the text parameter then you need to escape them like this:
{{cmbox
| text = <div>
Equal sign = and a start and end brace { } work fine as they are.
But here is a pipe {{!}} and two end braces <nowiki>}}</nowiki>.
And now a pipe and end braces <nowiki>|}}</nowiki>.
</div>
}} | Equal sign = and a start and end brace { } work fine as they are. But here is a pipe | and two end braces }}. And now a pipe and end braces |}}. |
This template uses the cmbox CSS classes in MediaWiki:Common.css for most of its looks, thus it is fully skinnable.
Internally this meta-template uses HTML markup instead of wiki markup for the table code. That is the usual way we make meta-templates since wiki markup has several drawbacks. For instance it makes it harder to use parser functions and special characters in parameters.
The default images for this meta-template are in PNG format instead of SVG format. The main reason is that some older web browsers have trouble with the transparent background that MediaWiki renders for SVG images. The PNG images here have hand-optimised transparent background colour so they look good in all browsers. Note that SVG icons only look somewhat bad in the old browsers, thus such hand optimisation is only worth the trouble for very widely used icons.
For more technical details see the talk page. Since this template works almost exactly like the other mboxes, their talk pages and related pages might also contain more details (see the See also section below).
See also
{{Ambox}}, for messageboxes on article pages.{{Cmbox}}, for messageboxes on category pages.{{Imbox}}, for messageboxes on file (image) pages.{{Tmbox}}, for messageboxes on talk pages.{{Fmbox}}, for header and footer messageboxes.{{Ombox}}, for messageboxes on other types of page.{{Mbox}}, for messageboxes that are used in different namespaces and change their presentation accordingly.
Closely related metatemplates: