mirror of
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105 lines
3.0 KiB
JavaScript
105 lines
3.0 KiB
JavaScript
;(function ($, window, document, undefined) {
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'use strict';
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Foundation.libs.equalizer = {
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name : 'equalizer',
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version : '5.5.2',
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settings : {
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use_tallest : true,
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before_height_change : $.noop,
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after_height_change : $.noop,
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equalize_on_stack : false,
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act_on_hidden_el: false
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},
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init : function (scope, method, options) {
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Foundation.inherit(this, 'image_loaded');
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this.bindings(method, options);
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this.reflow();
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},
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events : function () {
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this.S(window).off('.equalizer').on('resize.fndtn.equalizer', function (e) {
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this.reflow();
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}.bind(this));
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},
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equalize : function (equalizer) {
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var isStacked = false,
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group = equalizer.data('equalizer'),
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settings = equalizer.data(this.attr_name(true)+'-init') || this.settings,
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vals,
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firstTopOffset;
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if (settings.act_on_hidden_el) {
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vals = group ? equalizer.find('['+this.attr_name()+'-watch="'+group+'"]') : equalizer.find('['+this.attr_name()+'-watch]');
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}
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else {
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vals = group ? equalizer.find('['+this.attr_name()+'-watch="'+group+'"]:visible') : equalizer.find('['+this.attr_name()+'-watch]:visible');
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}
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if (vals.length === 0) {
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return;
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}
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settings.before_height_change();
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equalizer.trigger('before-height-change.fndth.equalizer');
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vals.height('inherit');
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if (settings.equalize_on_stack === false) {
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firstTopOffset = vals.first().offset().top;
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vals.each(function () {
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if ($(this).offset().top !== firstTopOffset) {
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isStacked = true;
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return false;
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}
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});
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if (isStacked) {
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return;
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}
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}
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var heights = vals.map(function () { return $(this).outerHeight(false) }).get();
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if (settings.use_tallest) {
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var max = Math.max.apply(null, heights);
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vals.css('height', max);
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} else {
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var min = Math.min.apply(null, heights);
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vals.css('height', min);
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}
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settings.after_height_change();
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equalizer.trigger('after-height-change.fndtn.equalizer');
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},
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reflow : function () {
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var self = this;
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this.S('[' + this.attr_name() + ']', this.scope).each(function () {
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var $eq_target = $(this),
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media_query = $eq_target.data('equalizer-mq'),
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ignore_media_query = true;
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if (media_query) {
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media_query = 'is_' + media_query.replace(/-/g, '_');
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if (Foundation.utils.hasOwnProperty(media_query)) {
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ignore_media_query = false;
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}
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}
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self.image_loaded(self.S('img', this), function () {
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if (ignore_media_query || Foundation.utils[media_query]()) {
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self.equalize($eq_target)
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} else {
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var vals = $eq_target.find('[' + self.attr_name() + '-watch]:visible');
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vals.css('height', 'auto');
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}
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});
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});
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}
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};
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})(jQuery, window, window.document);
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