offCanvasMenu is a jQuery/Zepto plugin that provides an easy way to implement an off-canvas toggling menu, a navigation metaphor made popular by mobile applications.
When activated, offCanvasMenu "slides" the menu element into view, "pushing" other content to the side.
Our example comes with jQuery 1.9.1 (but 2.0.0 should work as well).
<script src="lib/jquery-2.0.0.min.js"></script>
If you'd prefer, you can use Zepto instead.
<script src="lib/zepto-1.0.min.js"></script>
If you're using jQuery but want CSS transitions (Super swank! So much prettier!), you'll need Modernizr. Our example comes with a custom build that only contains the tests needed.
<script src="lib/modernizr.custom.js"></script>
You can check out our Modernizr build details.
Needed tests (if you want to add to an existing Modernizr build):
csstransformscsstransitions
Note: Modernizr is optional (and not at all necessary if you're using Zepto). If you don't include it, the plugin will fall back to JS animations.
<script src="lib/jquery.offcanvasmenu.js"></script>
$.offCanvasMenu();
$.offCanvasMenu({
direction : 'left',
coverage : '70%',
trigger : '#menu-trigger',
menu : '#menu',
duration : 250,
container : 'body',
classes : {
inner : 'inner-wrapper',
outer : 'outer-wrapper',
container: 'off-canvas-menu',
open : 'menu-open'
},
transEndEventNames: {
'WebkitTransition' : 'webkitTransitionEnd',
'MozTransition' : 'transitionend',
'OTransition' : 'oTransitionEnd otransitionend',
'msTransition' : 'MSTransitionEnd',
'transition' : 'transitionend'
}
});
direction: (string) Direction from which the menu enters the containing element. Valid values areleftorright. Defaultleft.coverage: (string) Width (in CSS units) of the menu when it is open/active. Relative units are relative to thecontainerelement. In all but the most experimental cases this is thebodyelement, which means this effectively translates to coverage of the visible viewport.pxor other non-percentage units are OK, but you must include the unit. Default is70%. We haven't tested with much variation to that!trigger: jQuery selector for the element that should trigger the show/hide of the menu. Default#menu-trigger.menu: jQuery selector for the menu element itself. Default#menu.
For the most part, you'll want to leave these alone; they're there in case you run into namespace conflicts in CSS or other deeper issues.
duration: The time the animation should take to complete in milliseconds.container: Nominally it should be possible to use a different container element other than thebodyelement that is the default. But we haven't tried it!classes: The class names that get assigned to different elements needed to make the menu work. You can change these if you have a conflict or other burning desire for change.transEndEventNames: When CSS transitions are used we attach some events to thetransitionendcallback, which can differ in name browser-to-browser. We use a method similar to Modernizr and Twitter Bootstrap for determining the event name, referencing the keys in this list.
on(): You'll usually run this function right after initializing the menu. It causes the menu to be moved off-canvas and enables toggle(), show(), and hide().off(): This function causes the menu to move to its original position and disables toggle(), show(), and hide().toggle(): Toggles the menu.show(): Shows the menu.hide(): Hides the menu.
Some versions of the Android browser handle percentage transforms rather strangely. Specifying a non-percentage value for coverage should alleviate the issue.
Released under the MIT License.
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