Created
February 8, 2014 19:48
-
-
Save benfoster/8889154 to your computer and use it in GitHub Desktop.
jQuery Fitframe
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/*! | |
* jQuery fitframe plugin | |
* Further changes, comments: @benfosterdev | |
* Licensed under the MIT license | |
*/ | |
;(function ( $, window, document, undefined ) { | |
var pluginName = 'fitframe', | |
defaults = { | |
fitHeight: false | |
}, | |
ratioKey = 'fitframe-ratio'; | |
function Fitframe(container, options) { | |
this.container = $(container); | |
this.options = $.extend({}, defaults, options); | |
this._defaults = defaults; | |
this._name = pluginName; | |
this.init(); | |
} | |
Fitframe.prototype.resize = function() { | |
var containerWidth = this.container.width(), | |
containerHeight = this.container.height(), | |
fitHeight = this.options.fitHeight; | |
this.container.find('iframe').each(function() { | |
var $e = $(this), | |
ratio = $e.data(ratioKey), | |
newHeight = containerWidth * ratio; | |
if (fitHeight && (newHeight > containerHeight)) { | |
// the height overlaps the container so scale the width instead | |
$e.height(containerHeight) | |
.width(containerHeight / ratio); | |
} else { | |
// scale the height | |
$e.height(containerWidth * ratio) | |
.width('100%'); | |
} | |
}); | |
}; | |
Fitframe.prototype.init = function() { | |
this.container.find('iframe').each(function() { | |
var $e = $(this); | |
$e.data(ratioKey, ($e.attr('height') / $e.attr('width')).toPrecision(4)); | |
}); | |
var self = this, t; | |
// debounced resizing | |
window.onresize = function () { | |
clearTimeout(t); | |
t = setTimeout(function () { | |
self.resize(); | |
}, 100); | |
}; | |
this.resize(); | |
}; | |
// A really lightweight plugin wrapper around the constructor | |
// preventing against multiple instantiations | |
$.fn[pluginName] = function(options) { | |
return this.each(function() { | |
if (!$.data(this, 'plugin_' + pluginName)) { | |
$.data(this, 'plugin_' + pluginName, new Fitframe(this, options)); | |
} | |
}); | |
} | |
}( jQuery, window, document )); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment