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128 lines
4 KiB
Markdown
128 lines
4 KiB
Markdown
---
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title: Menu Entry Properties
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linktitle: Menu Entry Properties
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description: A menu entry in a menu-template has specific variables and functions to make menu management easier.
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date: 2017-03-12
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publishdate: 2017-03-12
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lastmod: 2017-03-12
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categories: [variables and params]
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keywords: [menus]
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draft: false
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menu:
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docs:
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title: "variables defined by a menu entry"
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parent: "variables"
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weight: 50
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weight: 50
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sections_weight: 50
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aliases: [/variables/menu/]
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toc: false
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---
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A **menu entry** has the following properties available that can be used in a
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[menu template][menu-template].
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## Menu Entry Variables
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.Menu
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: _string_ <br />
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Name of the **menu** that contains this **menu entry**.
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.URL
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: _string_ <br />
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URL that the menu entry points to. The `url` key, if set for the menu entry,
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sets this value. If that key is not set, and if the menu entry is set in a page
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front-matter, this value defaults to the page's `.RelPermalink`.
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.Page
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: _\*Page_ <br />
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Reference to the [page object][page-object] associated with the menu entry. This
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will be non-nil if the menu entry is set via a page's front-matter and not via
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the site config.
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.PageRef {{< new-in "0.86.0" >}}
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: _string_ <br /> Can be set if defined in site config and the menu entry refers to a Page. [site.GetPage](/functions/getpage/) will be used to do the page lookup. If this is set, you don't need to set the `URL`.
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.Name
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: _string_ <br />
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Name of the menu entry. The `name` key, if set for the menu entry, sets
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this value. If that key is not set, and if the menu entry is set in a page
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front-matter, this value defaults to the page's `.LinkTitle`.
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.Identifier
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: _string_ <br />
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Value of the `identifier` key if set for the menu entry. This value must be
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unique for each menu entry. **It is necessary to set a unique identifier
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manually if two or more menu entries have the same `.Name`.**
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.Pre
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: _template.HTML_ <br />
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Value of the `pre` key if set for the menu entry. This value typically contains
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a string representing HTML.
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.Post
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: _template.HTML_ <br />
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Value of the `post` key if set for the menu entry. This value typically contains
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a string representing HTML.
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.Weight
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: _int_ <br />
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Value of the `weight` key if set for the menu entry. By default the entries in
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a menu are sorted ascending by their `weight`. If that key is not set, and if
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the menu entry is set in a page front-matter, this value defaults to the page's
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`.Weight`.
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.Parent
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: _string_ <br />
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Name (or Identifier if present) of this menu entry's parent **menu entry**. The
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`parent` key, if set for the menu entry, sets this value. If this key is set,
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this menu entry nests under that parent entry, else it nests directly under the
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`.Menu`.
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.Children
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: _Menu_ <br />
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This value is auto-populated by Hugo. It is a collection of children menu
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entries, if any, under the current menu entry.
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## Menu Entry Functions
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Menus also have the following functions available:
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.HasChildren
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: _boolean_ <br />
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Returns `true` if `.Children` is non-nil.
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.KeyName
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: _string_ <br />
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Returns the `.Identifier` if present, else returns the `.Name`.
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.IsEqual
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: _boolean_ <br />
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Returns `true` if the two compared menu entries represent the same menu entry.
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.IsSameResource
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: _boolean_ <br />
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Returns `true` if the two compared menu entries have the same `.URL`.
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.Title
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: _string_ <br />
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Link title, meant to be used in the `title` attribute of a menu entry's
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`<a>`-tags. Returns the menu entry's `title` key if set. Else, if the menu
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entry was created through a page's front-matter, it returns the page's
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`.LinkTitle`. Else, it just returns an empty string.
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## Other Menu-related Functions
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Additionally, here are some relevant methods available to menus on a page:
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.IsMenuCurrent
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: _(menu string, menuEntry *MenuEntry ) boolean_ <br />
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See [`.IsMenuCurrent` method](/functions/ismenucurrent/).
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.HasMenuCurrent
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: _(menu string, menuEntry *MenuEntry) boolean_ <br />
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See [`.HasMenuCurrent` method](/functions/hasmenucurrent/).
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[menu-template]: /templates/menu-templates/
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[page-object]: /variables/page/
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