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foundation.equalizer.js
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foundation.equalizer.js
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;(function ($, window, document, undefined) {
'use strict';
Foundation.libs.equalizer = {
name : 'equalizer',
version : '5.5.3',
settings : {
use_tallest : true,
before_height_change : $.noop,
after_height_change : $.noop,
equalize_on_stack : false,
act_on_hidden_el: false
},
init : function (scope, method, options) {
Foundation.inherit(this, 'image_loaded');
this.bindings(method, options);
this.reflow();
},
events : function () {
this.S(window).off('.equalizer').on('resize.fndtn.equalizer', function (e) {
this.reflow();
}.bind(this));
},
equalize : function (equalizer) {
var isStacked = false,
group = equalizer.data('equalizer'),
settings = equalizer.data(this.attr_name(true)+'-init') || this.settings,
vals,
firstTopOffset;
if (settings.act_on_hidden_el) {
vals = group ? equalizer.find('['+this.attr_name()+'-watch="'+group+'"]') : equalizer.find('['+this.attr_name()+'-watch]');
}
else {
vals = group ? equalizer.find('['+this.attr_name()+'-watch="'+group+'"]:visible') : equalizer.find('['+this.attr_name()+'-watch]:visible');
}
if (vals.length === 0) {
return;
}
settings.before_height_change();
equalizer.trigger('before-height-change.fndth.equalizer');
vals.height('inherit');
if (settings.equalize_on_stack === false) {
firstTopOffset = vals.first().offset().top;
vals.each(function () {
if ($(this).offset().top !== firstTopOffset) {
isStacked = true;
return false;
}
});
if (isStacked) {
return;
}
}
var heights = vals.map(function () { return $(this).outerHeight(false) }).get();
if (settings.use_tallest) {
var max = Math.max.apply(null, heights);
vals.css('height', max);
} else {
var min = Math.min.apply(null, heights);
vals.css('height', min);
}
settings.after_height_change();
equalizer.trigger('after-height-change.fndtn.equalizer');
},
reflow : function () {
var self = this;
this.S('[' + this.attr_name() + ']', this.scope).each(function () {
var $eq_target = $(this),
media_query = $eq_target.data('equalizer-mq'),
ignore_media_query = true;
if (media_query) {
media_query = 'is_' + media_query.replace(/-/g, '_');
if (Foundation.utils.hasOwnProperty(media_query)) {
ignore_media_query = false;
}
}
self.image_loaded(self.S('img', this), function () {
if (ignore_media_query || Foundation.utils[media_query]()) {
self.equalize($eq_target)
} else {
var vals = $eq_target.find('[' + self.attr_name() + '-watch]:visible');
vals.css('height', 'auto');
}
});
});
}
};
})(jQuery, window, window.document);

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foundation.equalizer.js (2 KB)

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