HC Off-canvas Nav

jQuery plugin for creating off-canvas multi-level navigations. Check out the demo.

Quick start

Install

This package can be installed with:

npm: npm install --save hc-offcanvas-nav

Usage

Call the plugin

<link rel="stylesheet" href="/path/to/hc-offcanvas-nav.css">
<script src="/path/to/jquery.js"></script>
<script src="/path/to/hc-offcanvas-nav.js"></script>
<script>
  jQuery(document).ready(function($) {
    $('#main-nav').hcOffcanvasNav({
      maxWidth: 980
    });
  });
</script>

Example HTML menu structure

<nav id="main-nav">
  <ul>
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li>
      <a href="#">Services</a>
      <ul>
        <li>
          <a href="#">Hosting</a>
          <ul>
            <li><a href="#">Private Server</a></li>
            <li><a href="#">Managed Hosting</a></li>
          </ul>
        </li>
        <li><a href="#">Domains</a></li>
        <li><a href="#">Websites</a></li>
      </ul>
    </li>
    <li><a href="#">Contact</a></li>
  </ul>
</nav>

Options

Property	Default	Type	Description
`maxWidth`	1024	int/boolean	Resolution below which to display the mobile menu, and hide the regular.
`pushContent`	false	false / string / element object	Content element (string selector or jQuery object) that will be pushed when the navigation is open, or false to disable this option.
`position`	'left'	string	Position on which the menu will open. Available options: `'left'`, `'right'`, `'top'` and `'bottom'`.
`levelOpen`	'overlap'	string	Submenu levels open effect. Available options: `'overlap'`, `'expand'`, `'none'` or `false`.
`levelSpacing`	40	int	If levels are overlaped, this is the spacing between them, if they are expanding, this is the text indent of the submenus.
`levelTitles`	false	bool	Show titles for submenus, which is the parent item name. Works only for overlaped levels.
`navTitle`	null	string	Main navigation (first level) title.
`navClass`	''	string	Custom navigation class.
`disableBody`	true	bool	Disable body scroll when navigation is open.
`closeOnClick`	true	bool	Close the navigation when links are clicked.
`customToggle`	null	string / element object	Custom navigation toggle element.
`insertClose`	true	bool / int	Insert navigation close button. You can also use an integer representing 0-based index that will be the position of the button in the list. Negative numbers are also supported.
`insertBack`	true	bool / int	Insert back buttons to submenus. You can also use an integer representing 0-based index that will be the position of the button in the list. Negative numbers are also supported.
`labelClose`	'Close'	string	Label for the close button.
`labelBack`	'Back'	string	Label for the back buttons.
`bodyInsert`	'prepend'	string	Choose to prepend or append navigation to body.
`removeOriginalNav`	false	bool	Remove original menu from the DOM. Don't use this if planning to update the nav.

Methods

Methods are used to control the plugin after initialization.

Method	Accepts	Description
`settings`	string	Returns current settings, or a particular setting if you specify it.
`isOpen`	N/A	Checks if the nav is open, and returns boolean.
`update`	object, boolean	Updates the settings with the new ones, and/or updates the internal state of the plugin making the DOM changes based on the original nav.
`open`	N/A	Opens the nav.
`close`	N/A	Closes the nav.

var Nav = $('#main-nav').hcOffcanvasNav({
  maxWidth: 980
});

// update the settings
Nav.update({
  maxWidth: 1024,
  navTitle: 'All pages'
});

// update the nav DOM
Nav.update(true);

// update the settings and the DOM
Nav.update({
  maxWidth: 1024,
  navTitle: 'All pages'
}, true);

Events

Event	Description
`open`	Triggers each time when the nav is opened.
`close`	Triggers each time when the nav is closed.
`close.once`	Triggers only the first time the nav is closed, and than it detaches itself.

All events return Event object, and the plugin Settings object.

var Nav = $('#main-nav').hcOffcanvasNav();

// change nav open side after each close
Nav.on('close', function(event, settings) {
  Nav.update({
    side: settings.side === 'left' ? 'right' : 'left'
  });
});

// will change nav open side only once
Nav.on('close.once', function(event, settings) {
  Nav.update({
    side: settings.side === 'left' ? 'right' : 'left'
  });
});

Data Attributes

Attr	Accepts	Description
`data-nav-close`	boolean	Attached on the item links. Tells the nav if it needs to be closed on click or not.

If closeOnClick options is enabled for the nav, in the example below the "Add Page" link will not close it.

<nav id="main-nav">
  <ul>
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li><a href="#">Contact</a></li>
    <li><a data-nav-close="false" href="#">Add Page</a></li>
  </ul>
</nav>

License

The code and the documentation are released under the MIT License.

dominikkucharski/hc-offcanvas-nav