583 lines
18 KiB
JavaScript
583 lines
18 KiB
JavaScript
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/*!
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* Waves v0.7.5
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* http://fian.my.id/Waves
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*
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* Copyright 2014-2016 Alfiana E. Sibuea and other contributors
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* Released under the MIT license
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* https://github.com/fians/Waves/blob/master/LICENSE
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*/
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;(function(window, factory) {
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'use strict';
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// AMD. Register as an anonymous module. Wrap in function so we have access
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// to root via `this`.
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if (typeof define === 'function' && define.amd) {
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define([], function() {
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return factory.apply(window);
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});
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}
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// Node. Does not work with strict CommonJS, but only CommonJS-like
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// environments that support module.exports, like Node.
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else if (typeof exports === 'object') {
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module.exports = factory.call(window);
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}
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// Browser globals.
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else {
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window.Waves = factory.call(window);
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}
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})(typeof global === 'object' ? global : this, function() {
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'use strict';
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var Waves = Waves || {};
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var $$ = document.querySelectorAll.bind(document);
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var toString = Object.prototype.toString;
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var isTouchAvailable = 'ontouchstart' in window;
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// Find exact position of element
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function isWindow(obj) {
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return obj !== null && obj === obj.window;
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}
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function getWindow(elem) {
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return isWindow(elem) ? elem : elem.nodeType === 9 && elem.defaultView;
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}
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function isObject(value) {
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var type = typeof value;
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return type === 'function' || type === 'object' && !!value;
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}
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function isDOMNode(obj) {
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return isObject(obj) && obj.nodeType > 0;
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}
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function getWavesElements(nodes) {
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var stringRepr = toString.call(nodes);
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if (stringRepr === '[object String]') {
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return $$(nodes);
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} else if (isObject(nodes) && /^\[object (Array|HTMLCollection|NodeList|Object)\]$/.test(stringRepr) && nodes.hasOwnProperty('length')) {
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return nodes;
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} else if (isDOMNode(nodes)) {
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return [nodes];
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}
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return [];
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}
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function offset(elem) {
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var docElem, win,
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box = { top: 0, left: 0 },
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doc = elem && elem.ownerDocument;
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docElem = doc.documentElement;
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if (typeof elem.getBoundingClientRect !== typeof undefined) {
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box = elem.getBoundingClientRect();
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}
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win = getWindow(doc);
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return {
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top: box.top + win.pageYOffset - docElem.clientTop,
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left: box.left + win.pageXOffset - docElem.clientLeft
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};
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}
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function convertStyle(styleObj) {
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var style = '';
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for (var prop in styleObj) {
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if (styleObj.hasOwnProperty(prop)) {
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style += (prop + ':' + styleObj[prop] + ';');
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}
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}
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return style;
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}
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var Effect = {
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// Effect duration
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duration: 750,
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// Effect delay (check for scroll before showing effect)
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delay: 200,
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show: function(e, element, velocity) {
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// Disable right click
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if (e.button === 2) {
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return false;
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}
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element = element || this;
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// Create ripple
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var ripple = document.createElement('div');
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ripple.className = 'waves-ripple waves-rippling';
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element.appendChild(ripple);
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// Get click coordinate and element width
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var pos = offset(element);
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var relativeY = 0;
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var relativeX = 0;
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// Support for touch devices
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if('touches' in e && e.touches.length) {
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relativeY = (e.touches[0].pageY - pos.top);
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relativeX = (e.touches[0].pageX - pos.left);
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}
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//Normal case
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else {
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relativeY = (e.pageY - pos.top);
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relativeX = (e.pageX - pos.left);
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}
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// Support for synthetic events
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relativeX = relativeX >= 0 ? relativeX : 0;
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relativeY = relativeY >= 0 ? relativeY : 0;
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var scale = 'scale(' + ((element.clientWidth / 100) * 3) + ')';
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var translate = 'translate(0,0)';
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if (velocity) {
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translate = 'translate(' + (velocity.x) + 'px, ' + (velocity.y) + 'px)';
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}
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// Attach data to element
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ripple.setAttribute('data-hold', Date.now());
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ripple.setAttribute('data-x', relativeX);
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ripple.setAttribute('data-y', relativeY);
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ripple.setAttribute('data-scale', scale);
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ripple.setAttribute('data-translate', translate);
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// Set ripple position
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var rippleStyle = {
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top: relativeY + 'px',
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left: relativeX + 'px'
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};
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ripple.classList.add('waves-notransition');
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ripple.setAttribute('style', convertStyle(rippleStyle));
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ripple.classList.remove('waves-notransition');
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// Scale the ripple
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rippleStyle['-webkit-transform'] = scale + ' ' + translate;
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rippleStyle['-moz-transform'] = scale + ' ' + translate;
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rippleStyle['-ms-transform'] = scale + ' ' + translate;
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rippleStyle['-o-transform'] = scale + ' ' + translate;
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rippleStyle.transform = scale + ' ' + translate;
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rippleStyle.opacity = '1';
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var duration = e.type === 'mousemove' ? 2500 : Effect.duration;
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rippleStyle['-webkit-transition-duration'] = duration + 'ms';
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rippleStyle['-moz-transition-duration'] = duration + 'ms';
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rippleStyle['-o-transition-duration'] = duration + 'ms';
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rippleStyle['transition-duration'] = duration + 'ms';
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ripple.setAttribute('style', convertStyle(rippleStyle));
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},
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hide: function(e, element) {
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element = element || this;
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var ripples = element.getElementsByClassName('waves-rippling');
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for (var i = 0, len = ripples.length; i < len; i++) {
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removeRipple(e, element, ripples[i]);
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}
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}
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};
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/**
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* Collection of wrapper for HTML element that only have single tag
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* like <input> and <img>
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*/
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var TagWrapper = {
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// Wrap <input> tag so it can perform the effect
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input: function(element) {
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var parent = element.parentNode;
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// If input already have parent just pass through
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if (parent.tagName.toLowerCase() === 'i' && parent.classList.contains('waves-effect')) {
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return;
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}
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// Put element class and style to the specified parent
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var wrapper = document.createElement('i');
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wrapper.className = element.className + ' waves-input-wrapper';
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element.className = 'waves-button-input';
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// Put element as child
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parent.replaceChild(wrapper, element);
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wrapper.appendChild(element);
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// Apply element color and background color to wrapper
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var elementStyle = window.getComputedStyle(element, null);
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var color = elementStyle.color;
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var backgroundColor = elementStyle.backgroundColor;
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wrapper.setAttribute('style', 'color:' + color + ';background:' + backgroundColor);
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element.setAttribute('style', 'background-color:rgba(0,0,0,0);');
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},
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// Wrap <img> tag so it can perform the effect
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img: function(element) {
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var parent = element.parentNode;
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// If input already have parent just pass through
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if (parent.tagName.toLowerCase() === 'i' && parent.classList.contains('waves-effect')) {
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return;
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}
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// Put element as child
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var wrapper = document.createElement('i');
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parent.replaceChild(wrapper, element);
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wrapper.appendChild(element);
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}
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};
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/**
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* Hide the effect and remove the ripple. Must be
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* a separate function to pass the JSLint...
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*/
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function removeRipple(e, el, ripple) {
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// Check if the ripple still exist
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if (!ripple) {
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return;
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}
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ripple.classList.remove('waves-rippling');
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var relativeX = ripple.getAttribute('data-x');
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var relativeY = ripple.getAttribute('data-y');
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var scale = ripple.getAttribute('data-scale');
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var translate = ripple.getAttribute('data-translate');
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// Get delay beetween mousedown and mouse leave
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var diff = Date.now() - Number(ripple.getAttribute('data-hold'));
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var delay = 350 - diff;
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if (delay < 0) {
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delay = 0;
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}
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if (e.type === 'mousemove') {
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delay = 150;
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}
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// Fade out ripple after delay
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var duration = e.type === 'mousemove' ? 2500 : Effect.duration;
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setTimeout(function() {
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var style = {
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top: relativeY + 'px',
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left: relativeX + 'px',
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opacity: '0',
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// Duration
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'-webkit-transition-duration': duration + 'ms',
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'-moz-transition-duration': duration + 'ms',
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'-o-transition-duration': duration + 'ms',
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'transition-duration': duration + 'ms',
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'-webkit-transform': scale + ' ' + translate,
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'-moz-transform': scale + ' ' + translate,
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'-ms-transform': scale + ' ' + translate,
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'-o-transform': scale + ' ' + translate,
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'transform': scale + ' ' + translate
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};
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ripple.setAttribute('style', convertStyle(style));
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setTimeout(function() {
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try {
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el.removeChild(ripple);
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} catch (e) {
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return false;
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}
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}, duration);
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}, delay);
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}
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/**
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* Disable mousedown event for 500ms during and after touch
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*/
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var TouchHandler = {
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/* uses an integer rather than bool so there's no issues with
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* needing to clear timeouts if another touch event occurred
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* within the 500ms. Cannot mouseup between touchstart and
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* touchend, nor in the 500ms after touchend. */
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touches: 0,
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allowEvent: function(e) {
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var allow = true;
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if (/^(mousedown|mousemove)$/.test(e.type) && TouchHandler.touches) {
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allow = false;
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}
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return allow;
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},
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registerEvent: function(e) {
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var eType = e.type;
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if (eType === 'touchstart') {
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TouchHandler.touches += 1; // push
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} else if (/^(touchend|touchcancel)$/.test(eType)) {
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setTimeout(function() {
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if (TouchHandler.touches) {
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TouchHandler.touches -= 1; // pop after 500ms
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}
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}, 500);
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}
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}
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};
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/**
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* Delegated click handler for .waves-effect element.
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* returns null when .waves-effect element not in "click tree"
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*/
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function getWavesEffectElement(e) {
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if (TouchHandler.allowEvent(e) === false) {
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return null;
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}
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var element = null;
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var target = e.target || e.srcElement;
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while (target.parentElement !== null) {
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if (target.classList.contains('waves-effect') && (!(target instanceof SVGElement))) {
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element = target;
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break;
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}
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target = target.parentElement;
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}
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return element;
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}
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/**
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||
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* Bubble the click and show effect if .waves-effect elem was found
|
||
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*/
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||
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function showEffect(e) {
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||
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// Disable effect if element has "disabled" property on it
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||
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// In some cases, the event is not triggered by the current element
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||
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// if (e.target.getAttribute('disabled') !== null) {
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// return;
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||
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// }
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||
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var element = getWavesEffectElement(e);
|
||
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if (element !== null) {
|
||
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||
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// Make it sure the element has either disabled property, disabled attribute or 'disabled' class
|
||
|
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if (element.disabled || element.getAttribute('disabled') || element.classList.contains('disabled')) {
|
||
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return;
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||
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}
|
||
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TouchHandler.registerEvent(e);
|
||
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if (e.type === 'touchstart' && Effect.delay) {
|
||
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var hidden = false;
|
||
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var timer = setTimeout(function () {
|
||
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timer = null;
|
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Effect.show(e, element);
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}, Effect.delay);
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||
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|
|
var hideEffect = function(hideEvent) {
|
||
|
|
|
||
|
|
// if touch hasn't moved, and effect not yet started: start effect now
|
||
|
|
if (timer) {
|
||
|
|
clearTimeout(timer);
|
||
|
|
timer = null;
|
||
|
|
Effect.show(e, element);
|
||
|
|
}
|
||
|
|
if (!hidden) {
|
||
|
|
hidden = true;
|
||
|
|
Effect.hide(hideEvent, element);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
var touchMove = function(moveEvent) {
|
||
|
|
if (timer) {
|
||
|
|
clearTimeout(timer);
|
||
|
|
timer = null;
|
||
|
|
}
|
||
|
|
hideEffect(moveEvent);
|
||
|
|
};
|
||
|
|
|
||
|
|
element.addEventListener('touchmove', touchMove, false);
|
||
|
|
element.addEventListener('touchend', hideEffect, false);
|
||
|
|
element.addEventListener('touchcancel', hideEffect, false);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
Effect.show(e, element);
|
||
|
|
|
||
|
|
if (isTouchAvailable) {
|
||
|
|
element.addEventListener('touchend', Effect.hide, false);
|
||
|
|
element.addEventListener('touchcancel', Effect.hide, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
element.addEventListener('mouseup', Effect.hide, false);
|
||
|
|
element.addEventListener('mouseleave', Effect.hide, false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Waves.init = function(options) {
|
||
|
|
var body = document.body;
|
||
|
|
|
||
|
|
options = options || {};
|
||
|
|
|
||
|
|
if ('duration' in options) {
|
||
|
|
Effect.duration = options.duration;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ('delay' in options) {
|
||
|
|
Effect.delay = options.delay;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isTouchAvailable) {
|
||
|
|
body.addEventListener('touchstart', showEffect, false);
|
||
|
|
body.addEventListener('touchcancel', TouchHandler.registerEvent, false);
|
||
|
|
body.addEventListener('touchend', TouchHandler.registerEvent, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
body.addEventListener('mousedown', showEffect, false);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Attach Waves to dynamically loaded inputs, or add .waves-effect and other
|
||
|
|
* waves classes to a set of elements. Set drag to true if the ripple mouseover
|
||
|
|
* or skimming effect should be applied to the elements.
|
||
|
|
*/
|
||
|
|
Waves.attach = function(elements, classes) {
|
||
|
|
|
||
|
|
elements = getWavesElements(elements);
|
||
|
|
|
||
|
|
if (toString.call(classes) === '[object Array]') {
|
||
|
|
classes = classes.join(' ');
|
||
|
|
}
|
||
|
|
|
||
|
|
classes = classes ? ' ' + classes : '';
|
||
|
|
|
||
|
|
var element, tagName;
|
||
|
|
|
||
|
|
for (var i = 0, len = elements.length; i < len; i++) {
|
||
|
|
|
||
|
|
element = elements[i];
|
||
|
|
tagName = element.tagName.toLowerCase();
|
||
|
|
|
||
|
|
if (['input', 'img'].indexOf(tagName) !== -1) {
|
||
|
|
TagWrapper[tagName](element);
|
||
|
|
element = element.parentElement;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (element.className.indexOf('waves-effect') === -1) {
|
||
|
|
element.className += ' waves-effect' + classes;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cause a ripple to appear in an element via code.
|
||
|
|
*/
|
||
|
|
Waves.ripple = function(elements, options) {
|
||
|
|
elements = getWavesElements(elements);
|
||
|
|
var elementsLen = elements.length;
|
||
|
|
|
||
|
|
options = options || {};
|
||
|
|
options.wait = options.wait || 0;
|
||
|
|
options.position = options.position || null; // default = centre of element
|
||
|
|
|
||
|
|
|
||
|
|
if (elementsLen) {
|
||
|
|
var element, pos, off, centre = {}, i = 0;
|
||
|
|
var mousedown = {
|
||
|
|
type: 'mousedown',
|
||
|
|
button: 1
|
||
|
|
};
|
||
|
|
var hideRipple = function(mouseup, element) {
|
||
|
|
return function() {
|
||
|
|
Effect.hide(mouseup, element);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
for (; i < elementsLen; i++) {
|
||
|
|
element = elements[i];
|
||
|
|
pos = options.position || {
|
||
|
|
x: element.clientWidth / 2,
|
||
|
|
y: element.clientHeight / 2
|
||
|
|
};
|
||
|
|
|
||
|
|
off = offset(element);
|
||
|
|
centre.x = off.left + pos.x;
|
||
|
|
centre.y = off.top + pos.y;
|
||
|
|
|
||
|
|
mousedown.pageX = centre.x;
|
||
|
|
mousedown.pageY = centre.y;
|
||
|
|
|
||
|
|
Effect.show(mousedown, element);
|
||
|
|
|
||
|
|
if (options.wait >= 0 && options.wait !== null) {
|
||
|
|
var mouseup = {
|
||
|
|
type: 'mouseup',
|
||
|
|
button: 1
|
||
|
|
};
|
||
|
|
|
||
|
|
setTimeout(hideRipple(mouseup, element), options.wait);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Remove all ripples from an element.
|
||
|
|
*/
|
||
|
|
Waves.calm = function(elements) {
|
||
|
|
elements = getWavesElements(elements);
|
||
|
|
var mouseup = {
|
||
|
|
type: 'mouseup',
|
||
|
|
button: 1
|
||
|
|
};
|
||
|
|
|
||
|
|
for (var i = 0, len = elements.length; i < len; i++) {
|
||
|
|
Effect.hide(mouseup, elements[i]);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Deprecated API fallback
|
||
|
|
*/
|
||
|
|
Waves.displayEffect = function(options) {
|
||
|
|
console.error('Waves.displayEffect() has been deprecated and will be removed in future version. Please use Waves.init() to initialize Waves effect');
|
||
|
|
Waves.init(options);
|
||
|
|
};
|
||
|
|
|
||
|
|
return Waves;
|
||
|
|
});
|