forked from joomla/Members-Manager
63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
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/*! UIkit 2.27.4 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(UI) {
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"use strict";
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UI.component('smoothScroll', {
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boot: function() {
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// init code
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UI.$html.on('click.smooth-scroll.uikit', '[data-uk-smooth-scroll]', function(e) {
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var ele = UI.$(this);
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if (!ele.data('smoothScroll')) {
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var obj = UI.smoothScroll(ele, UI.Utils.options(ele.attr('data-uk-smooth-scroll')));
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ele.trigger('click');
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}
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return false;
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});
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},
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init: function() {
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var $this = this;
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this.on('click', function(e) {
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e.preventDefault();
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scrollToElement(UI.$(this.hash).length ? UI.$(this.hash) : UI.$('body'), $this.options);
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});
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}
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});
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function scrollToElement(ele, options) {
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options = UI.$.extend({
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duration: 1000,
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transition: 'easeOutExpo',
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offset: 0,
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complete: function(){}
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}, options);
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// get / set parameters
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var target = ele.offset().top - options.offset,
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docheight = UI.$doc.height(),
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winheight = window.innerHeight;
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if ((target + winheight) > docheight) {
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target = docheight - winheight;
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}
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// animate to target, fire callback when done
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UI.$('html,body').stop().animate({scrollTop: target}, options.duration, options.transition).promise().done(options.complete);
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}
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UI.Utils.scrollToElement = scrollToElement;
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if (!UI.$.easing.easeOutExpo) {
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UI.$.easing.easeOutExpo = function(x, t, b, c, d) { return (t == d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b; };
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}
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})(UIkit2);
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