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sp-slidemenu.js
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/**
* sp-slidemenu.js
*
* @version 0.1.2
* @url https://github.com/be-hase/sp-slidemenu
*
* Copyright 2013 be-hase.com.
* Licensed under the MIT License:
* http://www.opensource.org/licenses/mit-license.php
*/
;(function(window, document, undefined) {
"use strict";
var div, PREFIX, support, gestureStart, EVENTS, ANIME_SPEED, SLIDE_STATUS, SCROLL_STATUS, THRESHOLD, EVENT_MOE_TIME, rclass, ITEM_CLICK_CLASS_NAME, defaults, checkPassiveHandler;
div = document.createElement('div');
PREFIX = ['webkit', 'moz', 'o', 'ms'];
support = SpSlidemenu.support = {};
support.transform3d = hasProp([
'perspectiveProperty',
'WebkitPerspective',
'MozPerspective',
'OPerspective',
'msPerspective'
]);
support.transform = hasProp([
'transformProperty',
'WebkitTransform',
'MozTransform',
'OTransform',
'msTransform'
]);
support.transition = hasProp([
'transitionProperty',
'WebkitTransitionProperty',
'MozTransitionProperty',
'OTransitionProperty',
'msTransitionProperty'
]);
support.addEventListener = 'addEventListener' in window;
support.attachEvent = 'attachEvent' in window;
support.cssAnimation = (support.transform3d || support.transform) && support.transition;
support.touch = 'ontouchend' in window;
support.touchAction = hasProp(['touchAction']);
support.passive = false;
try {
checkPassiveHandler = function() {};
window.addEventListener("spslidemenucheckpassive", checkPassiveHandler, { get passive() { support.passive = true; } });
window.removeEventListener("spslidemenucheckpassive", checkPassiveHandler, { get passive() { support.passive = true; } });
} catch (err) { }
EVENTS = {
start: {
touch: 'touchstart',
mouse: 'mousedown'
},
move: {
touch: 'touchmove',
mouse: 'mousemove'
},
end: {
touch: 'touchend',
mouse: 'mouseup'
},
wheel: {
touch: 'MouseScrollEvent' in window ? 'MozMousePixelScroll' : 'onwheel' in document || document.documentMode >= 9 ? 'wheel' : 'mousewheel',
mouse: 'MouseScrollEvent' in window ? 'MozMousePixelScroll' : 'onwheel' in document || document.documentMode >= 9 ? 'wheel' : 'mousewheel'
}
};
defaults = {
main : "#main",
button : ".menu-button",
slidemenu : ".slidemenu",
slidemenu_header : ".slidemenu-header",
slidemenu_body : ".slidemenu-body",
slidemenu_content : ".slidemenu-content",
disableCssAnimation: false,
disable3d : false,
direction : 'left'
};
gestureStart = false;
if (support.addEventListener) {
document.addEventListener('gesturestart', function() {
gestureStart = true;
});
document.addEventListener('gestureend', function() {
gestureStart = false;
});
}
ANIME_SPEED = {
slider: 200,
scrollOverBack: 400
};
SLIDE_STATUS = {
close: 0,
open: 1,
progress: 2
};
THRESHOLD = 10;
EVENT_MOE_TIME = 50;
rclass = /[\t\r\n\f]/g;
ITEM_CLICK_CLASS_NAME = 'menu-item';
/*
[MEMO]
SpSlidemenu properties which is not function is ...
-- element --
element: main
element: slidemenu
element: button
element: slidemenuBody
element: slidemenuContent
element: slidemenuHeader
-- options --
bool: disableCssAnimation
bool: disabled3d
-- animation --
bool: useCssAnimation
bool: use3d
-- slide --
int: slideWidth
string: htmlOverflowX
string: bodyOverflowX
int: buttonStartPageX
int: buttonStartPageY
-- scroll --
bool: scrollTouchStarted
bool: scrollMoveReady
int: scrollStartPageX
int: scrollStartPageY
int: scrollBasePageY
int: scrollTimeForVelocity
int: scrollCurrentY
int: scrollMoveEventCnt
int: scrollAnimationTimer
int: scrollOverTimer
int: scrollMaxY
*/
function SpSlidemenu(options) {
if (this instanceof SpSlidemenu) {
return this.init(options);
} else {
return new SpSlidemenu(options);
}
}
SpSlidemenu.prototype.init = function(options) {
var _this = this;
for(var k in defaults) {
if (!options.hasOwnProperty(k)){
options[k] = defaults[k];
}
}
// find and set element.
_this.setElement({
main : options.main,
slidemenu : options.slidemenu,
button : options.button,
slidemenu_body : options.slidemenu_body,
slidemenu_content : options.slidemenu_content,
slidemenu_header : options.slidemenu_header
});
if (!_this.main || !_this.slidemenu || !_this.button || !_this.slidemenuBody || !_this.slidemenuContent) {
throw new Error('Element not found. Please set correctly.');
}
_this.disableCssAnimation = (options.disableCssAnimation === undefined) ? false : options.disableCssAnimation;
//Android 2.3 is true the disable3d
_this.disable3d = hasAndroidMaxVersion(2.3) ? true : (options.disable3d === undefined) ? false : options.disable3d;
_this.direction = 'left';
if (options.direction === 'right') {
_this.direction = 'right';
}
// animation
_this.useCssAnimation = support.cssAnimation;
if (_this.disableCssAnimation === true) {
_this.useCssAnimation = false;
}
_this.use3d = support.transform3d;
if (_this.disable3d === true) {
_this.use3d = false;
}
// slide
_this.slideWidth = (getDimentions(_this.slidemenu)).width;
for (var i = _this.main.length; i--; ) {
_this.main[i].SpSlidemenuStatus = SLIDE_STATUS.close;
}
_this.htmlOverflowX = '';
_this.bodyOverflowX = '';
// scroll
_this.scrollCurrentY = 0;
_this.scrollAnimationTimer = false;
_this.scrollOverTimer = false;
// set default style.
_this.setDefaultStyle();
// bind some method for callback.
_this.bindMethods();
// add event
for (i = _this.button.length; i--; ) {
addTouchEvent('start', _this.button[i], _this.buttonTouchStart, false);
addTouchEvent('move', _this.button[i], blockEvent, false);
addTouchEvent('end', _this.button[i], _this.buttonTouchEnd, false);
}
addTouchEvent('start', _this.slidemenuContent, _this.scrollTouchStart, false);
addTouchEvent('move', _this.slidemenuContent, _this.scrollTouchMove, false);
addTouchEvent('end', _this.slidemenuContent, _this.scrollTouchEnd, false);
addTouchEvent('wheel', _this.slidemenuContent, _this.scrollWheel, false);
if(support.addEventListener) {
_this.slidemenuContent.addEventListener('click', _this.itemClick, getEventListenerWithOptions(false));
window.addEventListener('resize', debounce(_this.setSize, 100), getEventListenerWithOptions(false));
} else if(support.attachEvent){
_this.slidemenuContent.attachEvent('onclick', _this.itemClick);
window.attachEvent('onresize', debounce(_this.setSize, 100));
}
return _this;
};
SpSlidemenu.prototype.bindMethods = function() {
var _this, funcs;
_this = this;
funcs = [
'setSize',
'slideOpen', 'slideOpenEnd', 'slideClose', 'slideCloseEnd',
'buttonTouchStart', 'buttonTouchEnd', 'mainTouchStart',
'scrollTouchStart', 'scrollTouchMove', 'scrollTouchEnd', 'scrollInertiaMove', 'scrollOverBack', 'scrollOver','scrollWheel',
'itemClick'
];
funcs.forEach(function(func) {
_this[func] = bind(_this[func], _this);
});
};
SpSlidemenu.prototype.setElement = function(options) {
var _this, _main;
_this = this;
_main = options.main.split(",");
for(var k in options) {
if (typeof options[k] !== "string") {
return false;
}
}
_this.main = document.querySelectorAll(options.main);
_this._mainBody = document.querySelector(_main[0]);
_this.slidemenu = document.querySelector(options.slidemenu);
_this.button = document.querySelectorAll(options.button);
_this.slidemenuBody = _this.slidemenu.querySelector(options.slidemenu_body);
_this.slidemenuContent = _this.slidemenu.querySelector(options.slidemenu_content);
_this.slidemenuHeader = _this.slidemenu.querySelector(options.slidemenu_header);
};
SpSlidemenu.prototype.setDefaultStyle = function() {
var _this = this;
_this.slidemenuContent.style.touchAction = 'none';
_this.setSize();
if (_this.useCssAnimation) {
for (var i = _this.main.length; i--; ) {
if(hasAndroidMaxVersion(2.3) && hasPositionFixed(_this.main[i])) {
setStyles(_this.main[i], {
left: '0px'
});
} else {
setStyles(_this.main[i], {
transitionProperty: getCSSName('transform'),
transitionTimingFunction: 'ease-in-out',
transitionDuration: ANIME_SPEED.slider + 'ms',
transitionDelay: '0ms',
transform: ''
});
}
}
setStyles(_this.slidemenu, {
transitionProperty: 'visibility',
transitionTimingFunction: 'linear',
transitionDuration: '0ms',
transitionDelay: ANIME_SPEED.slider + 'ms',
transform: 'translateZ(0)'
});
setStyles(_this.slidemenuContent, {
transitionProperty: getCSSName('transform'),
transitionTimingFunction: 'ease-in-out',
transitionDuration: '0ms',
transitionDelay: '0ms',
transform: _this.getTranslateY(0)
});
} else {
for (var i = _this.main.length; i--; ) {
setStyles(_this.main[i], {
left: '0px'
});
}
setStyles(_this.slidemenuContent, {
top: '0px'
});
}
};
SpSlidemenu.prototype.setSize = function(event) {
var _this, browserHeight;
_this = this;
browserHeight = getBrowserHeight();
setStyles(_this._mainBody, {
minHeight: browserHeight + 'px'
});
setStyles(_this.slidemenu, {
height: browserHeight + 'px'
});
if(!support.touchAction && !support.touch) {
setStyles(_this.slidemenuBody, { width: '' });
setStyles(_this.slidemenuContent, { width: '' });
setStyles(_this.slidemenuBody, {
width: _this.slidemenuBody.clientWidth + 16 +'px',
overflow: 'hidden'
});
setStyles(_this.slidemenuContent, {
width: _this.slidemenuBody.clientWidth + 'px',
overflowY: 'scroll'
});
}
};
SpSlidemenu.prototype.buttonTouchStart = function(event) {
var _this = this;
event.preventDefault ? event.preventDefault() : event.returnValue = false;
event.stopPropagation? event.stopPropagation(): event.cancelBubble = true;
triggerEvent('buttonTouchStart');
for (var i = _this.main.length; i--; ) {
switch(_this.main[i].SpSlidemenuStatus) {
case SLIDE_STATUS.progress:
break;
case SLIDE_STATUS.open:
case SLIDE_STATUS.close:
_this.buttonStartPageX = getPage(event, 'pageX');
_this.buttonStartPageY = getPage(event, 'pageY');
break;
}
}
};
SpSlidemenu.prototype.buttonTouchEnd = function(event) {
var _this = this;
event.preventDefault ? event.preventDefault() : event.returnValue = false;
event.stopPropagation? event.stopPropagation(): event.cancelBubble = true;
triggerEvent('buttonTouchEnd');
_this.setSize();
_this.scrollCurrentY = _this.getScrollCurrentY();
if (_this.shouldTrigerNext(event)) {
setTimeout(function() {
for (var i = _this.main.length; i--; ) {
switch(_this.main[i].SpSlidemenuStatus) {
case SLIDE_STATUS.progress:
break;
case SLIDE_STATUS.open:
_this.slideClose(event);
break;
case SLIDE_STATUS.close:
_this.slideOpen(event);
break;
}
}
}, 100);
}
};
SpSlidemenu.prototype.mainTouchStart = function(event) {
var _this = this;
event.preventDefault ? event.preventDefault() : event.returnValue = false;
event.stopPropagation? event.stopPropagation(): event.cancelBubble = true;
_this.slideClose(event);
};
SpSlidemenu.prototype.shouldTrigerNext = function(event) {
var _this = this,
buttonEndPageX = getPage(event, 'pageX'),
buttonEndPageY = getPage(event, 'pageY'),
deltaX = Math.abs(buttonEndPageX - _this.buttonStartPageX),
deltaY = Math.abs(buttonEndPageY - _this.buttonStartPageY);
return deltaX < 20 && deltaY < 20;
};
SpSlidemenu.prototype.slideOpen = function(event) {
var _this = this, toX;
triggerEvent('slideOpen');
if (_this.direction === 'left') {
toX = _this.slideWidth;
} else {
toX = -_this.slideWidth;
}
for (var i = _this.main.length; i--; ) {
_this.main[i].SpSlidemenuStatus = SLIDE_STATUS.progress;
}
//set event
addTouchEvent('move', document, blockEvent, false);
// change style
_this.htmlOverflowX = document.documentElement.style['overflowX'];
_this.bodyOverflowX = document.body.style['overflowX'];
document.documentElement.style['overflowX'] = document.body.style['overflowX'] = 'hidden';
if (_this.useCssAnimation) {
for (var i = _this.main.length; i--; ) {
if(hasAndroidMaxVersion(2.3) && hasPositionFixed(_this.main[i])) {
_this.main[i].style['left'] = '';
_this.main[i].style['right'] = '';
animate(_this.main[i], _this.direction, Math.abs(toX), ANIME_SPEED.slider);
} else {
setStyles(_this.main[i], {
transform: _this.getTranslateX(toX)
});
}
}
setStyles(_this.slidemenu, {
transitionProperty: 'z-index',
visibility: 'visible',
zIndex: '1'
});
} else {
for (var i = _this.main.length; i--; ) {
_this.main[i].style['left'] = '';
_this.main[i].style['right'] = '';
animate(_this.main[i], _this.direction, Math.abs(toX), ANIME_SPEED.slider);
}
setStyles(_this.slidemenu, {
visibility: 'visible'
});
}
// set callback
setTimeout(_this.slideOpenEnd, ANIME_SPEED.slider + EVENT_MOE_TIME);
};
SpSlidemenu.prototype.slideOpenEnd = function() {
var _this = this;
triggerEvent('slideOpenEnd');
for (var i = _this.main.length; i--; ) {
_this.main[i].SpSlidemenuStatus = SLIDE_STATUS.open;
}
// change style
if (_this.useCssAnimation) {
} else {
setStyles(_this.slidemenu, {
zIndex: '1'
});
}
// add event
for (var i = _this.main.length; i--; ) {
addTouchEvent('start', _this.main[i], _this.mainTouchStart, false);
}
};
SpSlidemenu.prototype.slideClose = function(event) {
var _this = this;
triggerEvent('slideClose');
for (var i = _this.main.length; i--; ) {
_this.main[i].SpSlidemenuStatus = SLIDE_STATUS.progress;
}
//event
for (var i = _this.main.length; i--; ) {
removeTouchEvent('start', _this.main[i], _this.mainTouchStart, false);
}
// change style
if (_this.useCssAnimation) {
setStyles(_this.slidemenu, {
transitionProperty: 'visibility',
visibility: 'hidden',
zIndex: '-1'
});
setTimeout( function() {
for (var i = _this.main.length; i--; ) {
if(hasAndroidMaxVersion(2.3) && hasPositionFixed(_this.main[i])) {
animate(_this.main[i], _this.direction, 0, ANIME_SPEED.slider);
} else {
setStyles(_this.main[i], {
transform: ''
});
}
}
}, 50);
} else {
for (var i = _this.main.length; i--; ) {
animate(_this.main[i], _this.direction, 0, ANIME_SPEED.slider);
}
setStyles(_this.slidemenu, {
zIndex: '-1'
});
}
// set callback
setTimeout(_this.slideCloseEnd, ANIME_SPEED.slider + EVENT_MOE_TIME);
};
SpSlidemenu.prototype.slideCloseEnd = function() {
var _this = this;
triggerEvent('slideCloseEnd');
for (var i = _this.main.length; i--; ) {
_this.main[i].SpSlidemenuStatus = SLIDE_STATUS.close;
}
// change style
document.documentElement.style['overflowX'] = _this.htmlOverflowX;
document.body.style['overflowX'] = _this.bodyOverflowX;
if (_this.useCssAnimation) {
} else {
setStyles(_this.slidemenu, {
visibility: 'hidden'
});
}
// set event
removeTouchEvent('move', document, blockEvent, false);
};
SpSlidemenu.prototype.scrollTouchStart = function(event) {
var _this = this;
if (gestureStart) {
return;
}
triggerEvent('scrollTouchStart');
if (_this.scrollOverTimer !== false) {
clearTimeout(_this.scrollOverTimer);
}
_this.scrollCurrentY = _this.getScrollCurrentY();
if (_this.useCssAnimation) {
setStyles(_this.slidemenuContent, {
transitionTimingFunction: 'ease-in-out',
transitionDuration: '0ms',
transform: _this.getTranslateY(_this.scrollCurrentY)
});
} else {
_this.stopScrollAnimate();
setStyles(_this.slidemenuContent, {
top: _this.scrollCurrentY + 'px'
});
}
_this.scrollOverTimer = false;
_this.scrollAnimationTimer = false;
_this.scrollTouchStarted = true;
_this.scrollMoveReady = false;
_this.scrollMoveEventCnt = 0;
_this.scrollMaxY = _this.calcMaxY();
_this.scrollStartPageX = getPage(event, 'pageX');
_this.scrollStartPageY = getPage(event, 'pageY');
_this.scrollBasePageY = _this.scrollStartPageY;
_this.scrollTimeForVelocity = event.timeStamp;
_this.scrollPageYForVelocity = _this.scrollStartPageY;
if(support.addEventListener) {
_this.slidemenuContent.removeEventListener('click', blockEvent, getEventListenerWithOptions(true));
} else if(support.attachEvent){
_this.slidemenuContent.detachEvent('onclick', blockEvent);
}
};
SpSlidemenu.prototype.scrollTouchMove = function(event) {
var _this, pageX, pageY, distY, newY, deltaX, deltaY;
_this = this;
if (!_this.scrollTouchStarted || gestureStart) {
return;
}
triggerEvent('scrollTouchMove');
pageX = getPage(event, 'pageX');
pageY = getPage(event, 'pageY');
if (_this.scrollMoveReady) {
event.preventDefault ? event.preventDefault() : event.returnValue = false;
event.stopPropagation? event.stopPropagation(): event.cancelBubble = true;
distY = pageY - _this.scrollBasePageY;
newY = _this.scrollCurrentY + distY;
if (newY > 0 || newY < _this.scrollMaxY) {
newY = Math.round(_this.scrollCurrentY + distY / 3);
}
_this.scrollSetY(newY);
if (_this.scrollMoveEventCnt % THRESHOLD === 0) {
_this.scrollPageYForVelocity = pageY;
_this.scrollTimeForVelocity = event.timeStamp;
}
_this.scrollMoveEventCnt++;
} else {
deltaX = Math.abs(pageX - _this.scrollStartPageX);
deltaY = Math.abs(pageY - _this.scrollStartPageY);
if (deltaX > 5 || deltaY > 5) {
_this.scrollMoveReady = true;
if(support.addEventListener) {
_this.slidemenuContent.addEventListener('click', blockEvent, getEventListenerWithOptions(true));
} else if(support.attachEvent){
_this.slidemenuContent.attachEvent('onclick', blockEvent);
}
}
}
_this.scrollBasePageY = pageY;
};
SpSlidemenu.prototype.scrollWheel = function(event) {
var _this, delta,newY;
_this = this;
event.preventDefault ? event.preventDefault() : event.returnValue = false;
event.stopPropagation? event.stopPropagation(): event.cancelBubble = true;
triggerEvent('scrollWheel');
if(!_this.scrollMaxY) {
_this.scrollMaxY = _this.calcMaxY();
}
delta = event.deltaY ? -(event.deltaY) : event.wheelDelta ? (event.wheelDelta / 2) : -(event.detail);
if (!delta) {
return;
}
newY = Math.round(_this.scrollCurrentY + delta);
newY = newY > 0 ? 0: newY < _this.scrollMaxY ? _this.scrollMaxY:newY;
_this.scrollSetY(newY);
};
SpSlidemenu.prototype.scrollTouchEnd = function(event) {
var _this, speed, deltaY, deltaTime;
_this = this;
if (!_this.scrollTouchStarted) {
return;
}
triggerEvent('scrollTouchEnd');
_this.scrollTouchStarted = false;
_this.scrollMaxY = _this.calcMaxY();
if (_this.scrollCurrentY > 0 || _this.scrollCurrentY < _this.scrollMaxY) {
_this.scrollOverBack();
return;
}
deltaY = getPage(event, 'pageY') - _this.scrollPageYForVelocity;
deltaTime = event.timeStamp - _this.scrollTimeForVelocity;
speed = deltaY / deltaTime;
if (Math.abs(speed) >= 0.01) {
_this.scrollInertia(speed);
}
};
SpSlidemenu.prototype.scrollInertia = function(speed) {
var _this, directionToTop, maxTo, distanceMaxTo, stopTime, canMove, to, duration, speedAtboundary, nextTo;
_this = this;
if (speed > 0) {
directionToTop = true;
maxTo = 0;
} else {
directionToTop = false;
maxTo = _this.scrollMaxY;
}
distanceMaxTo = Math.abs(_this.scrollCurrentY - maxTo);
speed = Math.abs(750 * speed);
if (speed > 1000) {
speed = 1000;
}
stopTime = speed / 500;
canMove = (speed * stopTime) - ((500 * Math.pow(stopTime, 2)) / 2);
if (canMove <= distanceMaxTo) {
if (directionToTop) {
to = _this.scrollCurrentY + canMove;
} else {
to = _this.scrollCurrentY - canMove;
}
duration = stopTime * 1000;
_this.scrollInertiaMove(to, duration, false);
} else {
to = maxTo;
speedAtboundary = Math.sqrt((2 * 500 * distanceMaxTo) + Math.pow(speed, 2));
duration = (speedAtboundary - speed) / 500 * 1000;
_this.scrollInertiaMove(to, duration, true, speedAtboundary, directionToTop);
}
};
SpSlidemenu.prototype.scrollInertiaMove = function(to, duration, isOver, speed, directionToTop) {
var _this = this, stopTime, canMove;
_this.scrollCurrentY = to;
if (_this.useCssAnimation) {
setStyles(_this.slidemenuContent,{
transitionTimingFunction: 'cubic-bezier(0.33, 0.66, 0.66, 1)',
transitionDuration: duration + 'ms',
transform: _this.getTranslateY(to)
});
} else {
_this.scrollAnimate(to, duration);
}
if (!isOver) {
return;
}
stopTime = speed / 7500;
canMove = (speed * stopTime) - ((7500 * Math.pow(stopTime, 2)) / 2);
if (directionToTop) {
to = _this.scrollCurrentY + canMove;
} else {
to = _this.scrollCurrentY - canMove;
}
duration = stopTime * 1000;
_this.scrollOver(to, duration);
};
SpSlidemenu.prototype.scrollOver = function(to, duration) {
var _this;
_this = this;
_this.scrollCurrentY = to;
if (_this.useCssAnimation) {
setStyles(_this.slidemenuContent,{
transitionTimingFunction: 'cubic-bezier(0.33, 0.66, 0.66, 1)',
transitionDuration: duration + 'ms',
transform: _this.getTranslateY(to)
});
} else {
_this.scrollAnimate(to, duration);
}
_this.scrollOverTimer = setTimeout(_this.scrollOverBack, duration);
};
SpSlidemenu.prototype.scrollOverBack = function() {
var _this, to;
_this = this;
if (_this.scrollCurrentY >= 0) {
to = 0;
} else {
to = _this.scrollMaxY;
}
_this.scrollCurrentY = to;
if (_this.useCssAnimation) {
setStyles(_this.slidemenuContent,{
transitionTimingFunction: 'ease-out',
transitionDuration: ANIME_SPEED.scrollOverBack + 'ms',
transform: _this.getTranslateY(to)
});
} else {
_this.scrollAnimate(to, ANIME_SPEED.scrollOverBack);
}
};
SpSlidemenu.prototype.scrollSetY = function(y) {
var _this = this;
_this.scrollCurrentY = y;
if (_this.useCssAnimation) {
setStyles(_this.slidemenuContent,{
transitionTimingFunction: 'ease-in-out',
transitionDuration: '0ms',
transform: _this.getTranslateY(y)
});
} else {
_this.slidemenuContent.style.top = y + 'px';
}
};
SpSlidemenu.prototype.scrollAnimate = function(to, transitionDuration) {
var _this = this;
_this.stopScrollAnimate();
_this.scrollAnimationTimer = animate(_this.slidemenuContent, 'top', to, transitionDuration);
};
SpSlidemenu.prototype.stopScrollAnimate = function() {
var _this = this;
if (_this.scrollAnimationTimer !== false) {
clearInterval(_this.scrollAnimationTimer);
}
};
SpSlidemenu.prototype.itemClick = function(event) {
var elem = event.target || event.srcElement;
if (hasClass(elem, ITEM_CLICK_CLASS_NAME)) {
this.slideClose();
}
};
SpSlidemenu.prototype.calcMaxY = function(x) {
var _this, contentHeight, bodyHeight, headerHeight;
_this = this;
contentHeight = _this.slidemenuContent.offsetHeight;
bodyHeight = _this.slidemenuBody.offsetHeight;
headerHeight = 0;
if (_this.slidemenuHeader) {
headerHeight = _this.slidemenuHeader.offsetHeight;
}
if (contentHeight > bodyHeight) {
return - (contentHeight - bodyHeight + headerHeight);
} else {
return 0;
}
};
SpSlidemenu.prototype.getScrollCurrentY = function() {
var ret = 0;
if (this.useCssAnimation) {
getStyle(window.getComputedStyle(this.slidemenuContent, ''), 'transform').split(',').forEach(function(value){
var number = parseInt(value, 10);
if (!isNaN(number) && number !== 0 && number !== 1) {
ret = number;
}
});
} else {
var number = parseInt(getStyle(window.getComputedStyle(this.slidemenuContent, ''), 'top'), 10);
if (!isNaN(number) && number !== 0 && number !== 1) {
ret = number;
}
}
return ret;
};
SpSlidemenu.prototype.getTranslateX = function(x) {
var _this = this;
return _this.use3d ? 'translate3d(' + x + 'px, 0px, 0px)' : 'translate(' + x + 'px, 0px)';
};
SpSlidemenu.prototype.getTranslateY = function(y) {
var _this = this;
return _this.use3d ? 'translate3d(0px, ' + y + 'px, 0px)' : 'translate(0px, ' + y + 'px)';
};
//Utility Function
function hasProp(props) {
return some(props, function(prop) {
return div.style[prop] !== undefined;
});
}
function upperCaseFirst(str) {
return str.charAt(0).toUpperCase() + str.substr(1);
}
function some(ary, callback) {
var i, len;
for (i = 0, len = ary.length; i < len; i++) {
if (callback(ary[i], i)) {
return true;
}
}
return false;
}
function setStyle(elem, prop, val) {
var style = elem.style;
if (!setStyle.cache) {
setStyle.cache = {};
}
if (setStyle.cache[prop] !== undefined) {
style[setStyle.cache[prop]] = val;
return;
}
if (style[prop] !== undefined) {
setStyle.cache[prop] = prop;
style[prop] = val;
return;
}
some(PREFIX, function(_prefix) {
var _prop = upperCaseFirst(_prefix) + upperCaseFirst(prop);
if (style[_prop] !== undefined) {
//setStyle.cache[prop] = _prop;
style[_prop] = val;
return true;
}
});
}
function setStyles(elem, styles) {
var style, prop;
for (prop in styles) {
if (styles.hasOwnProperty(prop)) {
setStyle(elem, prop, styles[prop]);
}
}
}
function getStyle(style, prop) {
var ret;
if (style[prop] !== undefined) {
return style[prop];
}
some(PREFIX, function(_prefix) {
var _prop = upperCaseFirst(_prefix) + upperCaseFirst(prop);
if (style[_prop] !== undefined) {
ret = style[_prop];
return true;
}
});
return ret;
}
function getCSSName(prop) {
var ret;
if (!getCSSName.cache) {
getCSSName.cache = {};
}
if (getCSSName.cache[prop] !== undefined) {
return getCSSName.cache[prop];
}
if (div.style[prop] !== undefined) {
getCSSName.cache[prop] = prop;
return prop;
}
some(PREFIX, function(_prefix) {
var _prop = upperCaseFirst(_prefix) + upperCaseFirst(prop);
if (div.style[_prop] !== undefined) {
ret = '-' + _prefix + '-' + prop;
return true;
}
});
getCSSName.cache[prop] = ret;
return ret;
}
function bind(func, context) {
var nativeBind, slice, args;
nativeBind = Function.prototype.bind;
slice = Array.prototype.slice;
if (func.bind === nativeBind && nativeBind) {
return nativeBind.apply(func, slice.call(arguments, 1));
}
args = slice.call(arguments, 2);
return function() {
return func.apply(context, args.concat(slice.call(arguments)));
};