pro1/staticfiles/blog/bootstrap/js/modules/waves.js
/*!
* Waves v0.7.6
* http://fian.my.id/Waves
*
* Copyright 2014-2018 Alfiana E. Sibuea and other contributors
* Released under the MIT license
* https://github.com/fians/Waves/blob/master/LICENSE
*/
;(function(window, factory) {
'use strict';
// AMD. Register as an anonymous module. Wrap in function so we have access
// to root via `this`.
if (typeof define === 'function' && define.amd) {
define([], function() {
window.Waves = factory.call(window);
return window.Waves;
});
}
// Node. Does not work with strict CommonJS, but only CommonJS-like
// environments that support module.exports, like Node.
else if (typeof exports === 'object') {
module.exports = factory.call(window);
}
// Browser globals.
else {
window.Waves = factory.call(window);
}
})(typeof global === 'object' ? global : this, function() {
'use strict';
var Waves = Waves || {};
var $$ = document.querySelectorAll.bind(document);
var toString = Object.prototype.toString;
var isTouchAvailable = 'ontouchstart' in window;
// Find exact position of element
function isWindow(obj) {
return obj !== null && obj === obj.window;
}
function getWindow(elem) {
return isWindow(elem) ? elem : elem.nodeType === 9 && elem.defaultView;
}
function isObject(value) {
var type = typeof value;
return type === 'function' || type === 'object' && !!value;
}
function isDOMNode(obj) {
return isObject(obj) && obj.nodeType > 0;
}
function getWavesElements(nodes) {
var stringRepr = toString.call(nodes);
if (stringRepr === '[object String]') {
return $$(nodes);
} else if (isObject(nodes) && /^\[object (Array|HTMLCollection|NodeList|Object)\]$/.test(stringRepr) && nodes.hasOwnProperty('length')) {
return nodes;
} else if (isDOMNode(nodes)) {
return [nodes];
}
return [];
}
function offset(elem) {
var docElem, win,
box = { top: 0, left: 0 },
doc = elem && elem.ownerDocument;
docElem = doc.documentElement;
if (typeof elem.getBoundingClientRect !== typeof undefined) {
box = elem.getBoundingClientRect();
}
win = getWindow(doc);
return {
top: box.top + win.pageYOffset - docElem.clientTop,
left: box.left + win.pageXOffset - docElem.clientLeft
};
}
function convertStyle(styleObj) {
var style = '';
for (var prop in styleObj) {
if (styleObj.hasOwnProperty(prop)) {
style += (prop + ':' + styleObj[prop] + ';');
}
}
return style;
}
var Effect = {
// Effect duration
duration: 750,
// Effect delay (check for scroll before showing effect)
delay: 200,
show: function(e, element, velocity) {
// Disable right click
if (e.button === 2) {
return false;
}
element = element || this;
// Create ripple
var ripple = document.createElement('div');
ripple.className = 'waves-ripple waves-rippling';
element.appendChild(ripple);
// Get click coordinate and element width
var pos = offset(element);
var relativeY = 0;
var relativeX = 0;
// Support for touch devices
if('touches' in e && e.touches.length) {
relativeY = (e.touches[0].pageY - pos.top);
relativeX = (e.touches[0].pageX - pos.left);
}
//Normal case
else {
relativeY = (e.pageY - pos.top);
relativeX = (e.pageX - pos.left);
}
// Support for synthetic events
relativeX = relativeX >= 0 ? relativeX : 0;
relativeY = relativeY >= 0 ? relativeY : 0;
var scale = 'scale(' + ((element.clientWidth / 100) * 3) + ')';
var translate = 'translate(0,0)';
if (velocity) {
translate = 'translate(' + (velocity.x) + 'px, ' + (velocity.y) + 'px)';
}
// Attach data to element
ripple.setAttribute('data-hold', Date.now());
ripple.setAttribute('data-x', relativeX);
ripple.setAttribute('data-y', relativeY);
ripple.setAttribute('data-scale', scale);
ripple.setAttribute('data-translate', translate);
// Set ripple position
var rippleStyle = {
top: relativeY + 'px',
left: relativeX + 'px'
};
ripple.classList.add('waves-notransition');
ripple.setAttribute('style', convertStyle(rippleStyle));
ripple.classList.remove('waves-notransition');
// Scale the ripple
rippleStyle['-webkit-transform'] = scale + ' ' + translate;
rippleStyle['-moz-transform'] = scale + ' ' + translate;
rippleStyle['-ms-transform'] = scale + ' ' + translate;
rippleStyle['-o-transform'] = scale + ' ' + translate;
rippleStyle.transform = scale + ' ' + translate;
rippleStyle.opacity = '1';
var duration = e.type === 'mousemove' ? 2500 : Effect.duration;
rippleStyle['-webkit-transition-duration'] = duration + 'ms';
rippleStyle['-moz-transition-duration'] = duration + 'ms';
rippleStyle['-o-transition-duration'] = duration + 'ms';
rippleStyle['transition-duration'] = duration + 'ms';
ripple.setAttribute('style', convertStyle(rippleStyle));
},
hide: function(e, element) {
element = element || this;
var ripples = element.getElementsByClassName('waves-rippling');
for (var i = 0, len = ripples.length; i < len; i++) {
removeRipple(e, element, ripples[i]);
}
if (isTouchAvailable) {
element.removeEventListener('touchend', Effect.hide);
element.removeEventListener('touchcancel', Effect.hide);
}
element.removeEventListener('mouseup', Effect.hide);
element.removeEventListener('mouseleave', Effect.hide);
}
};
/**
* Collection of wrapper for HTML element that only have single tag
* like <input> and <img>
*/
var TagWrapper = {
// Wrap <input> tag so it can perform the effect
input: function(element) {
var parent = element.parentNode;
// If input already have parent just pass through
if (parent.tagName.toLowerCase() === 'i' && parent.classList.contains('waves-effect')) {
return;
}
// Put element class and style to the specified parent
var wrapper = document.createElement('i');
wrapper.className = element.className + ' waves-input-wrapper';
element.className = 'waves-button-input';
// Put element as child
parent.replaceChild(wrapper, element);
wrapper.appendChild(element);
// Apply element color and background color to wrapper
var elementStyle = window.getComputedStyle(element, null);
var color = elementStyle.color;
var backgroundColor = elementStyle.backgroundColor;
wrapper.setAttribute('style', 'color:' + color + ';background:' + backgroundColor);
element.setAttribute('style', 'background-color:rgba(0,0,0,0);');
},
// Wrap <img> tag so it can perform the effect
img: function(element) {
var parent = element.parentNode;
// If input already have parent just pass through
if (parent.tagName.toLowerCase() === 'i' && parent.classList.contains('waves-effect')) {
return;
}
// Put element as child
var wrapper = document.createElement('i');
parent.replaceChild(wrapper, element);
wrapper.appendChild(element);
}
};
/**
* Hide the effect and remove the ripple. Must be
* a separate function to pass the JSLint...
*/
function removeRipple(e, el, ripple) {
// Check if the ripple still exist
if (!ripple) {
return;
}
ripple.classList.remove('waves-rippling');
var relativeX = ripple.getAttribute('data-x');
var relativeY = ripple.getAttribute('data-y');
var scale = ripple.getAttribute('data-scale');
var translate = ripple.getAttribute('data-translate');
// Get delay beetween mousedown and mouse leave
var diff = Date.now() - Number(ripple.getAttribute('data-hold'));
var delay = 350 - diff;
if (delay < 0) {
delay = 0;
}
if (e.type === 'mousemove') {
delay = 150;
}
// Fade out ripple after delay
var duration = e.type === 'mousemove' ? 2500 : Effect.duration;
setTimeout(function() {
var style = {
top: relativeY + 'px',
left: relativeX + 'px',
opacity: '0',
// Duration
'-webkit-transition-duration': duration + 'ms',
'-moz-transition-duration': duration + 'ms',
'-o-transition-duration': duration + 'ms',
'transition-duration': duration + 'ms',
'-webkit-transform': scale + ' ' + translate,
'-moz-transform': scale + ' ' + translate,
'-ms-transform': scale + ' ' + translate,
'-o-transform': scale + ' ' + translate,
'transform': scale + ' ' + translate
};
ripple.setAttribute('style', convertStyle(style));
setTimeout(function() {
try {
el.removeChild(ripple);
} catch (e) {
return false;
}
}, duration);
}, delay);
}
/**
* Disable mousedown event for 500ms during and after touch
*/
var TouchHandler = {
/* uses an integer rather than bool so there's no issues with
* needing to clear timeouts if another touch event occurred
* within the 500ms. Cannot mouseup between touchstart and
* touchend, nor in the 500ms after touchend. */
touches: 0,
allowEvent: function(e) {
var allow = true;
if (/^(mousedown|mousemove)$/.test(e.type) && TouchHandler.touches) {
allow = false;
}
return allow;
},
registerEvent: function(e) {
var eType = e.type;
if (eType === 'touchstart') {
TouchHandler.touches += 1; // push
} else if (/^(touchend|touchcancel)$/.test(eType)) {
setTimeout(function() {
if (TouchHandler.touches) {
TouchHandler.touches -= 1; // pop after 500ms
}
}, 500);
}
}
};
/**
* Delegated click handler for .waves-effect element.
* returns null when .waves-effect element not in "click tree"
*/
function getWavesEffectElement(e) {
if (TouchHandler.allowEvent(e) === false) {
return null;
}
var element = null;
var target = e.target || e.srcElement;
while (target.parentElement) {
if ( (!(target instanceof SVGElement)) && target.classList.contains('waves-effect')) {
element = target;
break;
}
target = target.parentElement;
}
return element;
}
/**
* Bubble the click and show effect if .waves-effect elem was found
*/
function showEffect(e) {
// Disable effect if element has "disabled" property on it
// In some cases, the event is not triggered by the current element
// if (e.target.getAttribute('disabled') !== null) {
// return;
// }
var element = getWavesEffectElement(e);
if (element !== null) {
// Make it sure the element has either disabled property, disabled attribute or 'disabled' class
if (element.disabled || element.getAttribute('disabled') || element.classList.contains('disabled')) {
return;
}
TouchHandler.registerEvent(e);
if (e.type === 'touchstart' && Effect.delay) {
var hidden = false;
var timer = setTimeout(function () {
timer = null;
Effect.show(e, element);
}, Effect.delay);
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);
}
removeListeners();
};
var touchMove = function(moveEvent) {
if (timer) {
clearTimeout(timer);
timer = null;
}
hideEffect(moveEvent);
removeListeners();
};
element.addEventListener('touchmove', touchMove, false);
element.addEventListener('touchend', hideEffect, false);
element.addEventListener('touchcancel', hideEffect, false);
var removeListeners = function() {
element.removeEventListener('touchmove', touchMove);
element.removeEventListener('touchend', hideEffect);
element.removeEventListener('touchcancel', hideEffect);
};
} 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;
});
//Initialization
Waves.attach('.btn:not(.btn-flat), .btn-floating', ['waves-light']);
Waves.attach('.btn-flat', ['waves-effect']);
Waves.attach('.chip', ['waves-effect']);
Waves.attach('.view a .mask', ['waves-light']);
Waves.attach('.waves-light', ['waves-light']);
Waves.attach('.navbar-nav a:not(.navbar-brand), .nav-icons li a, .nav-tabs .nav-item:not(.dropdown)', ['waves-light']);
Waves.attach('.pager li a', ['waves-light']);
Waves.attach('.pagination .page-item .page-link', ['waves-effect']);
Waves.init();