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Help:TemplateData

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PD Внимание: Когда вы редактируете эту страницу, вы соглашаетесь на передачу своего вклада по лицензии CC0. Узнать об этом подробнее можно на странице справки.
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TemplateData — это способ хранения информации о шаблоне и его параметрах, чтобы Визуальный редактор мог получать и отображать её при редактировании шаблона, что облегчает редактирование страниц, содержащих этот шаблон.

Расширение TemplateData установлено во всех вики-проектах фонда WMF. Для вашего собственного вики-проекта необходимо установить расширение Extension:TemplateData.

Синтаксис TemplateData позволяет пользователям добавлять небольшие порции структурированных данных на страницу шаблона (в документацию шаблона). Если шаблон имеет эти данные, он правильно отображается в визуальном редакторе. Хотя всё это выглядит сложным, на самом деле - очень просто.

Редактор TemplateData

Это встроенный инструмент для редактирования TemplateData наиболее простым способом.

Для использования редактора TemplateData, перейдите на страницу шаблона (или подстраницу документации шаблона) и нажмите «Редактировать». Над окном редактирования появится кнопка «Manage TemplateData»:

Нажмите на эту кнопку, чтобы открыть визуальный редактор TemplateData.

Редактор позволяет Вам добавить параметры шаблона и заполнить общие атрибуты. Если страница уже содержит набор TemplateData, эта информация будет автоматически показана в редакторе TemplateData. В первом текстовом поле Вы можете добаить или изменить описание шаблона. Нажмите на кнопу "Добавить параметр" или "Добавить предложенный параметр", чтобы назначить имена и атрибуты параметра шаблона.

Если документация шаблона является подстраницей, на странице шаблона появится кнопка "Добавить предложенный параметр". Чтобы отредактировать страницу шаблона, нажмите "Добавить предложенный параметр" и затем скопируйте содержимое TemplateData (между тегами <templatedata> и </templatedata>) в документации подстраницы.

If the template page is protected, you can copy-and-paste the template code in the subpage, use the "Add suggested parameter(s)" button there, copy the TemplateData content, edit back the subpage to get rid of the template code and then paste the TemplateData content. To know where to paste the TemplateData content inside the subpage, you can edit TemplateData without adding anything; you can then replace the <templatedata> and </templatedata> tags and their content by pasting over them.

You can list the name of the parameter, any aliases for it, the label and the description that will display to users. You can also provide an example how to use the parameter. The only required field is Name (the first field in each row), which is where you record the exact, case-sensitive name of the parameter. In the "Type" dropdown menu, you can choose the type of content that the parameter should receive, such as a string (for plain-text answers), page (for links to other pages), or dates. If the template will produce an error if this parameter is left blank, please mark it as "Required". If the parameter is commonly used or recommended, then mark it as "Suggested". The "Remove parameter information" button will delete the parameter's entry from TemplateData.

When you are finished documenting each of the parameters, click "Apply" to insert the pre-formatted TemplateData into the open editing box. You must still save the page, using the normal "Save" button underneath the editing window.

Caution: The TemplateData editor will place TemplateData on either the template page or on a documentation subpage. You determine where the TemplateData will be added by opening (editing) the page that you want the TemplateData to be placed on. However, if multiple TemplateData blocks are placed on the same template, then only one of those TemplateData blocks will be used. If there is already TemplateData on a page, then you need to edit the page where the TemplateData was previously placed to avoid accidentally creating multiple blocks of TemplateData.

Ограничения и вопросы

  • Отсутствующие функции — TemplateData is an example of a tool that was made available with few features, in hope that users would help to guide development of features that they desired. If you'd like to request new features for TemplateData, please let us know.
  • Задержки в показе в шаблонах — After adding TemplateData to a template, the metadata should be visible immediately when the template is opened in the visual editor. However, it is possible that it will take several hours before the metadata will show. You can force an update by making a null edit to the template page itself (not the documentation subpage). To perform a null edit, open the template page for editing, and save the page without making any change and without adding any edit summary.
  • Текущие проблемы — A list of current bugs and feature requests is available in the Wikimedia bug tracker.

Местонахождение TemplateData

TemplateData shall be on the page it describes, or be transcluded into it. In a template, it shall typically be wrapped into <noinclude> tags. On normal page rendering, it displays autogenerated documentation as shown in #Example.

Структура TemplateData

TemplateData's structure is based around the JSON standard. Note that all descriptions in TemplateData must be in plain text (no wikitext, no links, etc.).

The first thing to do is to type out a pair of <templatedata> tags, anywhere on the template's documentation subpage, like so:

<templatedata>
{
    ...       // TemplateData content goes here
}
</templatedata>

This tells the software that everything between the two tags is TemplateData, and should be referenced when the template is used.

Пример

The descriptions inside TemplateData follow a standard layout; let's say that you have a template called "Commons" for linking to a Commons category about a topic. It takes one mandatory parameter: the name of the category on Commons. The TemplateData would look something like this:

<templatedata>
{
    "description": "A template for linking to a commons category about an article",
    "params": {
        "1": {
            "label": "Commons category",
            "description": "The commons category you want to link to.",
            "default": "Category:CommonsRoot",
            "type": "string",
            "required": true
        }
    }
}
</templatedata>

This would display, in the template, like so:

A template for linking to a commons category about an article

Template parameters

ParameterDescriptionTypeStatus
Commons category1

The commons category you want to link to.

Default
Category:CommonsRoot
Stringrequired

Описание и параметры

description The first tag is a "description", which describes what the template does.
"description": "A template for linking to a commons category",
format Next is "format", which describes how the template's wikitext representation should be laid out. This can be set to the standard formats of "inline" (по умолчанию) and "block", or to a custom format; see below for more details.

If the parameter is set to "inline" it will create a wikitext representation with no white space, like so:

{{Foo|bar=baz|qux=quux}}

If the parameter is set to "block" it will create a wikitext representation with line breaks and single spaces between each part, like so:

{{Foo
| bar = baz
| qux = quux
}}
"format": inline
params There is then a "params" tag, which indicates that subsequent sections cover each parameter in the template.

All the parameters that follow are included in the "params" section.

"params": {
    ...    // parameters go here
}
  Within each parameter's subsection, the first tag is the name of the template parameter within the template.

If the parameter has a name, like {{{category-link}}}, this tag would be "category-link".

If the parameter is "unnamed", meaning it's just a number like {{{1}}}, this tag would be "1".

All the bits of information about this parameter are included in the section that starts with the parameter's name.

"1": {     // название параметра
    ...    // information about the parameter goes here
}
label Next we have "label", in which you put a human-readable title for the parameter that will be displayed within the template editor.
"label": "Commons category",
description We then have "description": this time, it's a description of the parameter, not of the template as a whole.
"description": "The commons category you want to link to.",
default Next is "default". Some templates have a default value that is used unless you change it. This item tells the user what the default value for this parameter is.

You can ignore this parameter if there's no default.

"default": "Category:CommonsRoot",
type After that we have "type", which controls how the template editor will interpret that parameter. The most common types are:
  • "string": a set of characters, like this sentence;
  • "number": a set of digits;
  • "boolean": '0' for false, '1' for true, '' for unknown;
  • "wiki-user-name": a set of characters that represents a user's name;
  • "wiki-page-name": a set of characters that represents a page's title.
  • "wiki-file-name": имя файла.

Other types include: "unknown", "date", "url", "wiki-template-name", "content", "unbalanced-wikitext", "line"

"type": "string",
required We then have "required", which can be set to either true or false.

This simply controls whether filling out the parameter is mandatory for that template. If you don't specify, it will be assumed to be false.

"required": true
suggested There is "suggested", which can be set to either true or false.

This is a status for parameters which are not 'required' but are recommended to be high value (but not mandatory) for template users. If you don't specify, it will be assumed to be false.

"suggested": true
deprecated Finally, there is "deprecated", which can be set to true, false, or a string describing what users should instead do.

This is a status for parameters which should not be used any more, but still exist for the time being. This could be because uses of the template are being moved from one set of parameters to another. If you don't specify, it will be assumed to be false.

"deprecated": "Please use 'publicationDate' instead."

Once you're done, hit "save". If you've made errors, it will not let you save (which is disruptive, but means you can't break anything). Should you run into errors, explain on the feedback page what you were trying to do, and we will be happy to help.

Note that if you are abusing a hack template to dynamically generate TemplateData, it cannot be checked for errors before saving.

Note that each bit of information is enclosed in quotation marks (except for true and false), and separated from the next bit by a comma (unless it's the last one).

Custom formats

When editing custom format strings in the TemplateData editor you can either type \n or press the enter key to represent a newline; in either case it will display as in the entry field.

Examples of formats you can use
Objective Format string Output
Inline formatting {{_|_=_}}
inline
{{Foo|bar=baz|qux=quux}}{{Bar}}
Block formatting {{_\n| _ = _\n}}
block
{{Foo
| bar = baz
| qux = quux
}}{{Bar
}}
No space before the parameter name,

each template on its own line

\n{{_\n|_ = _\n}}\n
{{Foo
|bar = baz
|qux = quux
}}
{{Bar
}}
Indent each parameter {{_\n |_ = _\n}}
{{Foo
 |bar = baz
 |qux = quux
}}{{Bar
}}
Align all parameter names to a given length {{_\n|_______________ = _\n}}\n
{{Foo
|bar             = baz
|qux             = quux
|veryverylongparameter = bat
}}
{{Bar
}}
Pipe characters at the end of the previous line {{_|\n _______________ = _}}
{{Foo|
  bar             = baz|
  qux             = quux}}{{Bar}}
Inline style with more spaces, must be at start of line \n{{_ | _ = _}}
{{Foo | bar = baz | qux = quux}}
{{Bar }}
Template at the start of a line, indent-aligned parameters, pipe beforehand \n{{_ |\n _______________ = _}}
{{Foo |
  bar             = baz |
  qux             = quux}}
{{Bar}}

Parameter aliases

Some templates allow a same parameter to have different names.

For example, {{Commons|category=Apples}} could also be written as {{Commons|Apples}} or {{Commons|link=Apples}}.

To add this information to TemplateData, you simply need to add the aliases to the parameter's information:

    "params": {
        "категория": {
            ...
            "aliases": ["1", "ссылка"]
        }

Автоматическое значение

You can specify an "autovalue" for a parameter. When users add the template to a page, this value will be added automatically. For example, many clean-up templates need to have the date added; if you specify an autovalue for the template's date parameter, then the date will be filled in automatically.

To add this information to TemplateData, simply add the autovalue to the parameter's information. You will probably want to use the prefix subst: with the values to make them stick:

    "params": {
        "дата": {
            ...
            "autovalue": "{{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}"
        }

Множественные параметры

If you have multiple parameters, just repeat each section (starting from the "1" tag) and fill it out as you see fit. Note that if a template has multiple parameters, you need to separate them with a comma in the templatedata, like so:

"params": {
    "1": {
        ...
    },      // notice the comma here
    "2": {
        ...
    },      // и тут
    "3": {
        ...
    }
}

Похожие параметры

When a template has multiple parameters, sometimes some of them can be of the same kind. In this case, you only need to provide full properties for the first one, and the others can "inherit" their properties from it.

    "params": {
        "topic1": {
            "label": "Topic",
            "description": "A topic mentioned on this disambiguation page",
            "type": "string"
        },
        "topic2": {
            "inherits": "topic1"
        },
        "topic3": {
            "inherits": "topic1"
        },
    }

Blank boilerplate

You can copy the blank boilerplate below to add new TemplateData to a template. Only the most common tags are included.

<templatedata>
{
    "description": "",
    "params": {
        "1": {
            "label": "",
            "description": "",
            "type": ""
        },
        "2": {
            "label": "",
            "description": "",
            "type": ""
        }
    }
}
</templatedata>

Errors

Syntax Error in JSON / Bad JSON format

Due to a long standing bug, users using the old wikitext editor are able to save pages which have certain types of invalid JSON, such as duplicate keys or trailing commas (details: задача T128029). However if you attempt to save this page in a Javascript based editor, such as VisualEditor or the 2017 Wikitext editor, you will see an error message "Syntax error in JSON," as the Javascript parser is stricter and doesn't allow invalid JSON. Additionally, if you attempt to open up such invalid JSON with the Template Data GUI editor, you will see the error message, "Bad JSON format." To fix these errors, you can enter the JSON block into an external JSON validator, such as https://jsonlint.com/, and it will highlight the problematic commas and keys so they can be removed.

Другие инструменты

Help:Extension:TemplateWizard
A toolbar dialog window for entering template wikitext via an form built from TemplateData.
TemplateData Wizard
Инструмент, генерирующий TemplateData через интерактивный интерфейс
Skeleton TemplateData generator
A tool that reads the source wikicode of a template, tries to find all the parameters used and outputs a skeleton document with the parameters listed.
JSONLint
A tool that allows you to validate manually-written JSON to help find errors in the syntax.