105 lines
2.5 KiB
JavaScript
105 lines
2.5 KiB
JavaScript
'use strict';
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import $ from 'jquery';
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import { transitionend } from './foundation.core.utils';
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/**
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* Motion module.
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* @module foundation.motion
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*/
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const initClasses = ['mui-enter', 'mui-leave'];
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const activeClasses = ['mui-enter-active', 'mui-leave-active'];
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const Motion = {
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animateIn: function(element, animation, cb) {
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animate(true, element, animation, cb);
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},
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animateOut: function(element, animation, cb) {
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animate(false, element, animation, cb);
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}
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}
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function Move(duration, elem, fn){
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var anim, prog, start = null;
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// console.log('called');
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if (duration === 0) {
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fn.apply(elem);
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elem.trigger('finished.zf.animate', [elem]).triggerHandler('finished.zf.animate', [elem]);
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return;
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}
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function move(ts){
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if(!start) start = ts;
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// console.log(start, ts);
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prog = ts - start;
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fn.apply(elem);
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if(prog < duration){ anim = window.requestAnimationFrame(move, elem); }
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else{
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window.cancelAnimationFrame(anim);
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elem.trigger('finished.zf.animate', [elem]).triggerHandler('finished.zf.animate', [elem]);
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}
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}
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anim = window.requestAnimationFrame(move);
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}
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/**
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* Animates an element in or out using a CSS transition class.
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* @function
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* @private
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* @param {Boolean} isIn - Defines if the animation is in or out.
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* @param {Object} element - jQuery or HTML object to animate.
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* @param {String} animation - CSS class to use.
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* @param {Function} cb - Callback to run when animation is finished.
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*/
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function animate(isIn, element, animation, cb) {
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element = $(element).eq(0);
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if (!element.length) return;
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var initClass = isIn ? initClasses[0] : initClasses[1];
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var activeClass = isIn ? activeClasses[0] : activeClasses[1];
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// Set up the animation
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reset();
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element
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.addClass(animation)
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.css('transition', 'none');
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requestAnimationFrame(() => {
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element.addClass(initClass);
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if (isIn) element.show();
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});
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// Start the animation
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requestAnimationFrame(() => {
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element[0].offsetWidth;
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element
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.css('transition', '')
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.addClass(activeClass);
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});
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// Clean up the animation when it finishes
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element.one(transitionend(element), finish);
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// Hides the element (for out animations), resets the element, and runs a callback
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function finish() {
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if (!isIn) element.hide();
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reset();
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if (cb) cb.apply(element);
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}
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// Resets transitions and removes motion-specific classes
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function reset() {
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element[0].style.transitionDuration = 0;
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element.removeClass(`${initClass} ${activeClass} ${animation}`);
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}
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}
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export { Move, Motion };
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