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"+i[o];e.replaceSelection(i.join("\n"))}},hr:function(){{var e=this.cm,t=e.getCursor();e.getSelection()}e.replaceSelection((0!==t.ch?"\n\n":"\n")+"------------\n\n")},tex:function(){if(!this.settings.tex)return alert("settings.tex === false"),this;var e=this.cm,t=e.getCursor(),i=e.getSelection();e.replaceSelection("$$"+i+"$$"),""===i&&e.setCursor(t.line,t.ch+2)},link:function(){this.executePlugin("linkDialog","link-dialog/link-dialog")},"reference-link":function(){this.executePlugin("referenceLinkDialog","reference-link-dialog/reference-link-dialog")},pagebreak:function(){if(!this.settings.pageBreak)return alert("settings.pageBreak === false"),this;{var e=this.cm;e.getSelection()}e.replaceSelection("\r\n[========]\r\n")},image:function(){this.executePlugin("imageDialog","image-dialog/image-dialog")},code:function(){var e=this.cm,t=e.getCursor(),i=e.getSelection();e.replaceSelection("`"+i+"`"),""===i&&e.setCursor(t.line,t.ch+1)},"code-block":function(){this.executePlugin("codeBlockDialog","code-block-dialog/code-block-dialog")},"preformatted-text":function(){this.executePlugin("preformattedTextDialog","preformatted-text-dialog/preformatted-text-dialog")},table:function(){this.executePlugin("tableDialog","table-dialog/table-dialog")},datetime:function(){var e=this.cm,i=(e.getSelection(),new Date,this.settings.lang.name),o=t.dateFormat()+" "+t.dateFormat("zh-cn"===i||"zh-tw"===i?"cn-week-day":"week-day");e.replaceSelection(o)},emoji:function(){this.executePlugin("emojiDialog","emoji-dialog/emoji-dialog")},"html-entities":function(){this.executePlugin("htmlEntitiesDialog","html-entities-dialog/html-entities-dialog")},"goto-line":function(){this.executePlugin("gotoLineDialog","goto-line-dialog/goto-line-dialog")},watch:function(){this[this.settings.watch?"unwatch":"watch"]()},preview:function(){this.previewing()},fullscreen:function(){this.fullscreen()},clear:function(){this.clear()},search:function(){this.search()},help:function(){this.executePlugin("helpDialog","help-dialog/help-dialog")},info:function(){this.showInfoDialog()}},t.keyMaps={"Ctrl-1":"h1","Ctrl-2":"h2","Ctrl-3":"h3","Ctrl-4":"h4","Ctrl-5":"h5","Ctrl-6":"h6","Ctrl-B":"bold","Ctrl-D":"datetime","Ctrl-E":function(){var e=this.cm,t=e.getCursor(),i=e.getSelection();return this.settings.emoji?(e.replaceSelection(":"+i+":"),void(""===i&&e.setCursor(t.line,t.ch+1))):void alert("Error: settings.emoji == false")},"Ctrl-Alt-G":"goto-line","Ctrl-H":"hr","Ctrl-I":"italic","Ctrl-K":"code","Ctrl-L":function(){var e=this.cm,t=e.getCursor(),i=e.getSelection(),o=""===i?"":' "'+i+'"';e.replaceSelection("["+i+"]("+o+")"),""===i&&e.setCursor(t.line,t.ch+1)},"Ctrl-U":"list-ul","Shift-Ctrl-A":function(){var e=this.cm,t=e.getCursor(),i=e.getSelection();return this.settings.atLink?(e.replaceSelection("@"+i),void(""===i&&e.setCursor(t.line,t.ch+1))):void alert("Error: settings.atLink == false")},"Shift-Ctrl-C":"code","Shift-Ctrl-Q":"quote","Shift-Ctrl-S":"del","Shift-Ctrl-K":"tex","Shift-Alt-C":function(){var e=this.cm,t=e.getCursor(),i=e.getSelection();e.replaceSelection(["```",i,"```"].join("\n")),""===i&&e.setCursor(t.line,t.ch+3)},"Shift-Ctrl-Alt-C":"code-block","Shift-Ctrl-H":"html-entities","Shift-Alt-H":"help","Shift-Ctrl-E":"emoji","Shift-Ctrl-U":"uppercase","Shift-Alt-U":"ucwords","Shift-Ctrl-Alt-U":"ucfirst","Shift-Alt-L":"lowercase","Shift-Ctrl-I":function(){var e=this.cm,t=e.getCursor(),i=e.getSelection(),o=""===i?"":' "'+i+'"';e.replaceSelection("!["+i+"]("+o+")"),""===i&&e.setCursor(t.line,t.ch+4)},"Shift-Ctrl-Alt-I":"image","Shift-Ctrl-L":"link","Shift-Ctrl-O":"list-ol","Shift-Ctrl-P":"preformatted-text","Shift-Ctrl-T":"table","Shift-Alt-P":"pagebreak",F9:"watch",F10:"preview",F11:"fullscreen"};var r=function(e){return String.prototype.trim?e.trim():e.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,"")};t.trim=r;var n=function(e){return e.toLowerCase().replace(/\b(\w)|\s(\w)/g,function(e){return e.toUpperCase()})};t.ucwords=t.wordsFirstUpperCase=n;var a=function(e){return e.toLowerCase().replace(/\b(\w)/,function(e){return e.toUpperCase()})};return t.firstUpperCase=t.ucfirst=a,t.urls={atLinkBase:"https://github.com/"},t.regexs={atLink:/@(\w+)/g,email:/(\w+)@(\w+)\.(\w+)\.?(\w+)?/g,emailLink:/(mailto:)?([\w\.\_]+)@(\w+)\.(\w+)\.?(\w+)?/g,emoji:/:([\w\+-]+):/g,emojiDatetime:/(\d{2}:\d{2}:\d{2})/g,twemoji:/:(tw-([\w]+)-?(\w+)?):/g,fontAwesome:/:(fa-([\w]+)(-(\w+)){0,}):/g,editormdLogo:/:(editormd-logo-?(\w+)?):/g,pageBreak:/^\[[=]{8,}\]$/},t.emoji={path:"http://www.emoji-cheat-sheet.com/graphics/emojis/",ext:".png"},t.twemoji={path:"http://twemoji.maxcdn.com/36x36/",ext:".png"},t.markedRenderer=function(i,o){var n={toc:!0,tocm:!1,tocStartLevel:1,pageBreak:!0,atLink:!0,emailLink:!0,taskList:!1,emoji:!1,tex:!1,flowChart:!1,sequenceDiagram:!1},a=e.extend(n,o||{}),s=t.$marked,l=new s.Renderer;i=i||[];var c=t.regexs,h=c.atLink,d=c.emoji,u=c.email,f=c.emailLink,g=c.twemoji,p=c.fontAwesome,m=c.editormdLogo,w=c.pageBreak;return l.emoji=function(e){e=e.replace(t.regexs.emojiDatetime,function(e){return e.replace(/:/g,":")});var i=e.match(d);if(!i||!a.emoji)return e;for(var o=0,r=i.length;r>o;o++)":+1:"===i[o]&&(i[o]=":\\+1:"),e=e.replace(new RegExp(i[o]),function(e,i){var o=e.match(p),r=e.replace(/:/g,"");if(o)for(var n=0,a=o.length;a>n;n++){var s=o[n].replace(/:/g,"");return''}else{var l=e.match(m),c=e.match(g);if(l)for(var h=0,d=l.length;d>h;h++){var u=l[h].replace(/:/g,"");return''}else{if(!c){var f="+1"===r?"plus1":r;return f="black_large_square"===f?"black_square":f,f="moon"===f?"waxing_gibbous_moon":f,'
- '+this.atLink(this.emoji(e))+" "):"
- "+this.atLink(this.emoji(e))+" "},l},t.markdownToCRenderer=function(e,t,i,o){var r="",n=0,a=this.classPrefix;o=o||1;for(var s=0,l=e.length;l>s;s++){var c=e[s].text,h=e[s].level;o>h||(r+=h>n?"":n>h?new Array(n-h+2).join("
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/*! Tablesaw - v2.0.2 - 2015-10-28
* https://github.com/filamentgroup/tablesaw
* Copyright (c) 2015 Filament Group; Licensed */
;(function($){ $(function(){$(document).trigger("enhance.tablesaw");});})(jQuery);
/*! PhotoSwipe - v4.1.2 - 2017-04-05
* http://photoswipe.com
* Copyright (c) 2017 Dmitry Semenov; */
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
define(factory);
} else if (typeof exports === 'object') {
module.exports = factory();
} else {
root.PhotoSwipe = factory();
}
})(this, function () {
'use strict';
var PhotoSwipe = function(template, UiClass, items, options){
/*>>framework-bridge*/
/**
*
* Set of generic functions used by gallery.
*
* You're free to modify anything here as long as functionality is kept.
*
*/
var framework = {
features: null,
bind: function(target, type, listener, unbind) {
var methodName = (unbind ? 'remove' : 'add') + 'EventListener';
type = type.split(' ');
for(var i = 0; i < type.length; i++) {
if(type[i]) {
target[methodName]( type[i], listener, false);
}
}
},
isArray: function(obj) {
return (obj instanceof Array);
},
createEl: function(classes, tag) {
var el = document.createElement(tag || 'div');
if(classes) {
el.className = classes;
}
return el;
},
getScrollY: function() {
var yOffset = window.pageYOffset;
return yOffset !== undefined ? yOffset : document.documentElement.scrollTop;
},
unbind: function(target, type, listener) {
framework.bind(target,type,listener,true);
},
removeClass: function(el, className) {
var reg = new RegExp('(\\s|^)' + className + '(\\s|$)');
el.className = el.className.replace(reg, ' ').replace(/^\s\s*/, '').replace(/\s\s*$/, '');
},
addClass: function(el, className) {
if( !framework.hasClass(el,className) ) {
el.className += (el.className ? ' ' : '') + className;
}
},
hasClass: function(el, className) {
return el.className && new RegExp('(^|\\s)' + className + '(\\s|$)').test(el.className);
},
getChildByClass: function(parentEl, childClassName) {
var node = parentEl.firstChild;
while(node) {
if( framework.hasClass(node, childClassName) ) {
return node;
}
node = node.nextSibling;
}
},
arraySearch: function(array, value, key) {
var i = array.length;
while(i--) {
if(array[i][key] === value) {
return i;
}
}
return -1;
},
extend: function(o1, o2, preventOverwrite) {
for (var prop in o2) {
if (o2.hasOwnProperty(prop)) {
if(preventOverwrite && o1.hasOwnProperty(prop)) {
continue;
}
o1[prop] = o2[prop];
}
}
},
easing: {
sine: {
out: function(k) {
return Math.sin(k * (Math.PI / 2));
},
inOut: function(k) {
return - (Math.cos(Math.PI * k) - 1) / 2;
}
},
cubic: {
out: function(k) {
return --k * k * k + 1;
}
}
/*
elastic: {
out: function ( k ) {
var s, a = 0.1, p = 0.4;
if ( k === 0 ) return 0;
if ( k === 1 ) return 1;
if ( !a || a < 1 ) { a = 1; s = p / 4; }
else s = p * Math.asin( 1 / a ) / ( 2 * Math.PI );
return ( a * Math.pow( 2, - 10 * k) * Math.sin( ( k - s ) * ( 2 * Math.PI ) / p ) + 1 );
},
},
back: {
out: function ( k ) {
var s = 1.70158;
return --k * k * ( ( s + 1 ) * k + s ) + 1;
}
}
*/
},
/**
*
* @return {object}
*
* {
* raf : request animation frame function
* caf : cancel animation frame function
* transfrom : transform property key (with vendor), or null if not supported
* oldIE : IE8 or below
* }
*
*/
detectFeatures: function() {
if(framework.features) {
return framework.features;
}
var helperEl = framework.createEl(),
helperStyle = helperEl.style,
vendor = '',
features = {};
// IE8 and below
features.oldIE = document.all && !document.addEventListener;
features.touch = 'ontouchstart' in window;
if(window.requestAnimationFrame) {
features.raf = window.requestAnimationFrame;
features.caf = window.cancelAnimationFrame;
}
features.pointerEvent = navigator.pointerEnabled || navigator.msPointerEnabled;
// fix false-positive detection of old Android in new IE
// (IE11 ua string contains "Android 4.0")
if(!features.pointerEvent) {
var ua = navigator.userAgent;
// Detect if device is iPhone or iPod and if it's older than iOS 8
// http://stackoverflow.com/a/14223920
//
// This detection is made because of buggy top/bottom toolbars
// that don't trigger window.resize event.
// For more info refer to _isFixedPosition variable in core.js
if (/iP(hone|od)/.test(navigator.platform)) {
var v = (navigator.appVersion).match(/OS (\d+)_(\d+)_?(\d+)?/);
if(v && v.length > 0) {
v = parseInt(v[1], 10);
if(v >= 1 && v < 8 ) {
features.isOldIOSPhone = true;
}
}
}
// Detect old Android (before KitKat)
// due to bugs related to position:fixed
// http://stackoverflow.com/questions/7184573/pick-up-the-android-version-in-the-browser-by-javascript
var match = ua.match(/Android\s([0-9\.]*)/);
var androidversion = match ? match[1] : 0;
androidversion = parseFloat(androidversion);
if(androidversion >= 1 ) {
if(androidversion < 4.4) {
features.isOldAndroid = true; // for fixed position bug & performance
}
features.androidVersion = androidversion; // for touchend bug
}
features.isMobileOpera = /opera mini|opera mobi/i.test(ua);
// p.s. yes, yes, UA sniffing is bad, propose your solution for above bugs.
}
var styleChecks = ['transform', 'perspective', 'animationName'],
vendors = ['', 'webkit','Moz','ms','O'],
styleCheckItem,
styleName;
for(var i = 0; i < 4; i++) {
vendor = vendors[i];
for(var a = 0; a < 3; a++) {
styleCheckItem = styleChecks[a];
// uppercase first letter of property name, if vendor is present
styleName = vendor + (vendor ?
styleCheckItem.charAt(0).toUpperCase() + styleCheckItem.slice(1) :
styleCheckItem);
if(!features[styleCheckItem] && styleName in helperStyle ) {
features[styleCheckItem] = styleName;
}
}
if(vendor && !features.raf) {
vendor = vendor.toLowerCase();
features.raf = window[vendor+'RequestAnimationFrame'];
if(features.raf) {
features.caf = window[vendor+'CancelAnimationFrame'] ||
window[vendor+'CancelRequestAnimationFrame'];
}
}
}
if(!features.raf) {
var lastTime = 0;
features.raf = function(fn) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function() { fn(currTime + timeToCall); }, timeToCall);
lastTime = currTime + timeToCall;
return id;
};
features.caf = function(id) { clearTimeout(id); };
}
// Detect SVG support
features.svg = !!document.createElementNS &&
!!document.createElementNS('http://www.w3.org/2000/svg', 'svg').createSVGRect;
framework.features = features;
return features;
}
};
framework.detectFeatures();
// Override addEventListener for old versions of IE
if(framework.features.oldIE) {
framework.bind = function(target, type, listener, unbind) {
type = type.split(' ');
var methodName = (unbind ? 'detach' : 'attach') + 'Event',
evName,
_handleEv = function() {
listener.handleEvent.call(listener);
};
for(var i = 0; i < type.length; i++) {
evName = type[i];
if(evName) {
if(typeof listener === 'object' && listener.handleEvent) {
if(!unbind) {
listener['oldIE' + evName] = _handleEv;
} else {
if(!listener['oldIE' + evName]) {
return false;
}
}
target[methodName]( 'on' + evName, listener['oldIE' + evName]);
} else {
target[methodName]( 'on' + evName, listener);
}
}
}
};
}
/*>>framework-bridge*/
/*>>core*/
//function(template, UiClass, items, options)
var self = this;
/**
* Static vars, don't change unless you know what you're doing.
*/
var DOUBLE_TAP_RADIUS = 25,
NUM_HOLDERS = 3;
/**
* Options
*/
var _options = {
allowPanToNext:true,
spacing: 0.05,
bgOpacity: 1,
mouseUsed: false,
loop: false,
pinchToClose: true,
closeOnScroll: true,
closeOnVerticalDrag: true,
verticalDragRange: 0.75,
hideAnimationDuration: 333,
showAnimationDuration: 333,
showHideOpacity: false,
focus: true,
escKey: true,
arrowKeys: true,
mainScrollEndFriction: 0.35,
panEndFriction: 0.35,
isClickableElement: function(el) {
return el.tagName === 'A';
},
getDoubleTapZoom: function(isMouseClick, item) {
if(isMouseClick) {
return 1;
} else {
return item.initialZoomLevel < 0.7 ? 1 : 1.33;
}
},
maxSpreadZoom: 1.33,
modal: true,
// not fully implemented yet
scaleMode: 'fit' // TODO
};
framework.extend(_options, options);
/**
* Private helper variables & functions
*/
var _getEmptyPoint = function() {
return {x:0,y:0};
};
var _isOpen,
_isDestroying,
_closedByScroll,
_currentItemIndex,
_containerStyle,
_containerShiftIndex,
_currPanDist = _getEmptyPoint(),
_startPanOffset = _getEmptyPoint(),
_panOffset = _getEmptyPoint(),
_upMoveEvents, // drag move, drag end & drag cancel events array
_downEvents, // drag start events array
_globalEventHandlers,
_viewportSize = {},
_currZoomLevel,
_startZoomLevel,
_translatePrefix,
_translateSufix,
_updateSizeInterval,
_itemsNeedUpdate,
_currPositionIndex = 0,
_offset = {},
_slideSize = _getEmptyPoint(), // size of slide area, including spacing
_itemHolders,
_prevItemIndex,
_indexDiff = 0, // difference of indexes since last content update
_dragStartEvent,
_dragMoveEvent,
_dragEndEvent,
_dragCancelEvent,
_transformKey,
_pointerEventEnabled,
_isFixedPosition = true,
_likelyTouchDevice,
_modules = [],
_requestAF,
_cancelAF,
_initalClassName,
_initalWindowScrollY,
_oldIE,
_currentWindowScrollY,
_features,
_windowVisibleSize = {},
_renderMaxResolution = false,
_orientationChangeTimeout,
// Registers PhotoSWipe module (History, Controller ...)
_registerModule = function(name, module) {
framework.extend(self, module.publicMethods);
_modules.push(name);
},
_getLoopedId = function(index) {
var numSlides = _getNumItems();
if(index > numSlides - 1) {
return index - numSlides;
} else if(index < 0) {
return numSlides + index;
}
return index;
},
// Micro bind/trigger
_listeners = {},
_listen = function(name, fn) {
if(!_listeners[name]) {
_listeners[name] = [];
}
return _listeners[name].push(fn);
},
_shout = function(name) {
var listeners = _listeners[name];
if(listeners) {
var args = Array.prototype.slice.call(arguments);
args.shift();
for(var i = 0; i < listeners.length; i++) {
listeners[i].apply(self, args);
}
}
},
_getCurrentTime = function() {
return new Date().getTime();
},
_applyBgOpacity = function(opacity) {
_bgOpacity = opacity;
// opacity=opacity * _options.bgOpacity;
if(opacity){
$(self.bg).stop().animate({opacity:opacity}, 0);
}else{
setTimeout(function() {
$(self.bg).stop().animate({opacity:opacity}, 100);
},300)
}
// self.bg.style.opacity = opacity;
},
_applyZoomTransform = function(styleObj,x,y,zoom,item) {
if(!_renderMaxResolution || (item && item !== self.currItem) ) {
zoom = zoom / (item ? item.fitRatio : self.currItem.fitRatio);
}
styleObj[_transformKey] = _translatePrefix + x + 'px, ' + y + 'px' + _translateSufix + ' scale(' + zoom + ')';
},
_applyCurrentZoomPan = function( allowRenderResolution ) {
if(_currZoomElementStyle) {
if(allowRenderResolution) {
if(_currZoomLevel > self.currItem.fitRatio) {
if(!_renderMaxResolution) {
_setImageSize(self.currItem, false, true);
_renderMaxResolution = true;
}
} else {
if(_renderMaxResolution) {
_setImageSize(self.currItem);
_renderMaxResolution = false;
}
}
}
_applyZoomTransform(_currZoomElementStyle, _panOffset.x, _panOffset.y, _currZoomLevel);
}
},
_applyZoomPanToItem = function(item) {
if(item.container) {
_applyZoomTransform(item.container.style,
item.initialPosition.x,
item.initialPosition.y,
item.initialZoomLevel,
item);
}
},
_setTranslateX = function(x, elStyle) {
elStyle[_transformKey] = _translatePrefix + x + 'px, 0px' + _translateSufix;
},
_moveMainScroll = function(x, dragging) {
if(!_options.loop && dragging) {
var newSlideIndexOffset = _currentItemIndex + (_slideSize.x * _currPositionIndex - x) / _slideSize.x,
delta = Math.round(x - _mainScrollPos.x);
if( (newSlideIndexOffset < 0 && delta > 0) ||
(newSlideIndexOffset >= _getNumItems() - 1 && delta < 0) ) {
x = _mainScrollPos.x + delta * _options.mainScrollEndFriction;
}
}
_mainScrollPos.x = x;
_setTranslateX(x, _containerStyle);
},
_calculatePanOffset = function(axis, zoomLevel) {
var m = _midZoomPoint[axis] - _offset[axis];
return _startPanOffset[axis] + _currPanDist[axis] + m - m * ( zoomLevel / _startZoomLevel );
},
_equalizePoints = function(p1, p2) {
p1.x = p2.x;
p1.y = p2.y;
if(p2.id) {
p1.id = p2.id;
}
},
_roundPoint = function(p) {
p.x = Math.round(p.x);
p.y = Math.round(p.y);
},
_mouseMoveTimeout = null,
_onFirstMouseMove = function() {
// Wait until mouse move event is fired at least twice during 100ms
// We do this, because some mobile browsers trigger it on touchstart
if(_mouseMoveTimeout ) {
framework.unbind(document, 'mousemove', _onFirstMouseMove);
framework.addClass(template, 'pswp--has_mouse');
_options.mouseUsed = true;
_shout('mouseUsed');
}
_mouseMoveTimeout = setTimeout(function() {
_mouseMoveTimeout = null;
}, 100);
},
_bindEvents = function() {
framework.bind(document, 'keydown', self);
if(_features.transform) {
// don't bind click event in browsers that don't support transform (mostly IE8)
framework.bind(self.scrollWrap, 'click', self);
}
if(!_options.mouseUsed) {
framework.bind(document, 'mousemove', _onFirstMouseMove);
}
framework.bind(window, 'resize scroll orientationchange', self);
_shout('bindEvents');
},
_unbindEvents = function() {
framework.unbind(window, 'resize scroll orientationchange', self);
framework.unbind(window, 'scroll', _globalEventHandlers.scroll);
framework.unbind(document, 'keydown', self);
framework.unbind(document, 'mousemove', _onFirstMouseMove);
if(_features.transform) {
framework.unbind(self.scrollWrap, 'click', self);
}
if(_isDragging) {
framework.unbind(window, _upMoveEvents, self);
}
clearTimeout(_orientationChangeTimeout);
_shout('unbindEvents');
},
_calculatePanBounds = function(zoomLevel, update) {
var bounds = _calculateItemSize( self.currItem, _viewportSize, zoomLevel );
if(update) {
_currPanBounds = bounds;
}
return bounds;
},
_getMinZoomLevel = function(item) {
if(!item) {
item = self.currItem;
}
return item.initialZoomLevel;
},
_getMaxZoomLevel = function(item) {
if(!item) {
item = self.currItem;
}
return item.w > 0 ? _options.maxSpreadZoom : 1;
},
// Return true if offset is out of the bounds
_modifyDestPanOffset = function(axis, destPanBounds, destPanOffset, destZoomLevel) {
if(destZoomLevel === self.currItem.initialZoomLevel) {
destPanOffset[axis] = self.currItem.initialPosition[axis];
return true;
} else {
destPanOffset[axis] = _calculatePanOffset(axis, destZoomLevel);
if(destPanOffset[axis] > destPanBounds.min[axis]) {
destPanOffset[axis] = destPanBounds.min[axis];
return true;
} else if(destPanOffset[axis] < destPanBounds.max[axis] ) {
destPanOffset[axis] = destPanBounds.max[axis];
return true;
}
}
return false;
},
_setupTransforms = function() {
if(_transformKey) {
// setup 3d transforms
var allow3dTransform = _features.perspective && !_likelyTouchDevice;
_translatePrefix = 'translate' + (allow3dTransform ? '3d(' : '(');
_translateSufix = _features.perspective ? ', 0px)' : ')';
return;
}
// Override zoom/pan/move functions in case old browser is used (most likely IE)
// (so they use left/top/width/height, instead of CSS transform)
_transformKey = 'left';
framework.addClass(template, 'pswp--ie');
_setTranslateX = function(x, elStyle) {
elStyle.left = x + 'px';
};
_applyZoomPanToItem = function(item) {
var zoomRatio = item.fitRatio > 1 ? 1 : item.fitRatio,
s = item.container.style,
w = zoomRatio * item.w,
h = zoomRatio * item.h;
s.width = w + 'px';
s.height = h + 'px';
s.left = item.initialPosition.x + 'px';
s.top = item.initialPosition.y + 'px';
};
_applyCurrentZoomPan = function() {
if(_currZoomElementStyle) {
var s = _currZoomElementStyle,
item = self.currItem,
zoomRatio = item.fitRatio > 1 ? 1 : item.fitRatio,
w = zoomRatio * item.w,
h = zoomRatio * item.h;
s.width = w + 'px';
s.height = h + 'px';
s.left = _panOffset.x + 'px';
s.top = _panOffset.y + 'px';
}
};
},
_onKeyDown = function(e) {
var keydownAction = '';
if(_options.escKey && e.keyCode === 27) {
keydownAction = 'close';
} else if(_options.arrowKeys) {
if(e.keyCode === 37) {
keydownAction = 'prev';
} else if(e.keyCode === 39) {
keydownAction = 'next';
}
}
if(keydownAction) {
// don't do anything if special key pressed to prevent from overriding default browser actions
// e.g. in Chrome on Mac cmd+arrow-left returns to previous page
if( !e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey ) {
if(e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = false;
}
self[keydownAction]();
}
}
},
_onGlobalClick = function(e) {
if(!e) {
return;
}
// don't allow click event to pass through when triggering after drag or some other gesture
if(_moved || _zoomStarted || _mainScrollAnimating || _verticalDragInitiated) {
e.preventDefault();
e.stopPropagation();
}
},
_updatePageScrollOffset = function() {
self.setScrollOffset(0, framework.getScrollY());
}
// Micro animation engine
var _animations = {},
_numAnimations = 0,
_stopAnimation = function(name) {
if(_animations[name]) {
if(_animations[name].raf) {
_cancelAF( _animations[name].raf );
}
_numAnimations--;
delete _animations[name];
}
},
_registerStartAnimation = function(name) {
if(_animations[name]) {
_stopAnimation(name);
}
if(!_animations[name]) {
_numAnimations++;
_animations[name] = {};
}
},
_stopAllAnimations = function() {
for (var prop in _animations) {
if( _animations.hasOwnProperty( prop ) ) {
_stopAnimation(prop);
}
}
},
_animateProp = function(name, b, endProp, d, easingFn, onUpdate, onComplete) {
var startAnimTime = _getCurrentTime(), t;
_registerStartAnimation(name);
var animloop = function(){
if ( _animations[name] ) {
t = _getCurrentTime() - startAnimTime; // time diff
//b - beginning (start prop)
//d - anim duration
if ( t >= d ) {
_stopAnimation(name);
onUpdate(endProp);
if(onComplete) {
onComplete();
}
return;
}
onUpdate( (endProp - b) * easingFn(t/d) + b );
_animations[name].raf = _requestAF(animloop);
}
};
animloop();
};
var publicMethods = {
// make a few local variables and functions public
shout: _shout,
listen: _listen,
viewportSize: _viewportSize,
options: _options,
isMainScrollAnimating: function() {
return _mainScrollAnimating;
},
getZoomLevel: function() {
return _currZoomLevel;
},
getCurrentIndex: function() {
return _currentItemIndex;
},
isDragging: function() {
return _isDragging;
},
isZooming: function() {
return _isZooming;
},
setScrollOffset: function(x,y) {
_offset.x = x;
_currentWindowScrollY = _offset.y = y;
_shout('updateScrollOffset', _offset);
},
applyZoomPan: function(zoomLevel,panX,panY,allowRenderResolution) {
_panOffset.x = panX;
_panOffset.y = panY;
_currZoomLevel = zoomLevel;
_applyCurrentZoomPan( allowRenderResolution );
},
init: function() {
if(_isOpen || _isDestroying) {
return;
}
var i;
self.framework = framework; // basic functionality
self.template = template; // root DOM element of PhotoSwipe
self.bg = framework.getChildByClass(template, 'pswp__bg');
_initalClassName = template.className;
_isOpen = true;
_features = framework.detectFeatures();
_requestAF = _features.raf;
_cancelAF = _features.caf;
_transformKey = _features.transform;
_oldIE = _features.oldIE;
self.scrollWrap = framework.getChildByClass(template, 'pswp__scroll-wrap');
self.container = framework.getChildByClass(self.scrollWrap, 'pswp__container');
_containerStyle = self.container.style; // for fast access
// Objects that hold slides (there are only 3 in DOM)
self.itemHolders = _itemHolders = [
{el:self.container.children[0] , wrap:0, index: -1},
{el:self.container.children[1] , wrap:0, index: -1},
{el:self.container.children[2] , wrap:0, index: -1}
];
// hide nearby item holders until initial zoom animation finishes (to avoid extra Paints)
_itemHolders[0].el.style.display = _itemHolders[2].el.style.display = 'none';
_setupTransforms();
// Setup global events
_globalEventHandlers = {
resize: self.updateSize,
// Fixes: iOS 10.3 resize event
// does not update scrollWrap.clientWidth instantly after resize
// https://github.com/dimsemenov/PhotoSwipe/issues/1315
orientationchange: function() {
clearTimeout(_orientationChangeTimeout);
_orientationChangeTimeout = setTimeout(function() {
if(_viewportSize.x !== self.scrollWrap.clientWidth) {
self.updateSize();
}
}, 500);
},
scroll: _updatePageScrollOffset,
keydown: _onKeyDown,
click: _onGlobalClick
};
// disable show/hide effects on old browsers that don't support CSS animations or transforms,
// old IOS, Android and Opera mobile. Blackberry seems to work fine, even older models.
var oldPhone = _features.isOldIOSPhone || _features.isOldAndroid || _features.isMobileOpera;
if(!_features.animationName || !_features.transform || oldPhone) {
_options.showAnimationDuration = _options.hideAnimationDuration = 0;
}
// init modules
for(i = 0; i < _modules.length; i++) {
self['init' + _modules[i]]();
}
// init
if(UiClass) {
var ui = self.ui = new UiClass(self, framework);
ui.init();
}
_shout('firstUpdate');
_currentItemIndex = _currentItemIndex || _options.index || 0;
// validate index
if( isNaN(_currentItemIndex) || _currentItemIndex < 0 || _currentItemIndex >= _getNumItems() ) {
_currentItemIndex = 0;
}
self.currItem = _getItemAt( _currentItemIndex );
if(_features.isOldIOSPhone || _features.isOldAndroid) {
_isFixedPosition = false;
}
template.setAttribute('aria-hidden', 'false');
if(_options.modal) {
if(!_isFixedPosition) {
template.style.position = 'absolute';
template.style.top = framework.getScrollY() + 'px';
} else {
template.style.position = 'fixed';
}
}
if(_currentWindowScrollY === undefined) {
_shout('initialLayout');
_currentWindowScrollY = _initalWindowScrollY = framework.getScrollY();
}
// add classes to root element of PhotoSwipe
var rootClasses = 'pswp--open ';
if(_options.mainClass) {
rootClasses += _options.mainClass + ' ';
}
if(_options.showHideOpacity) {
rootClasses += 'pswp--animate_opacity ';
}
rootClasses += _likelyTouchDevice ? 'pswp--touch' : 'pswp--notouch';
rootClasses += _features.animationName ? ' pswp--css_animation' : '';
rootClasses += _features.svg ? ' pswp--svg' : '';
framework.addClass(template, rootClasses);
self.updateSize();
// initial update
_containerShiftIndex = -1;
_indexDiff = null;
for(i = 0; i < NUM_HOLDERS; i++) {
_setTranslateX( (i+_containerShiftIndex) * _slideSize.x, _itemHolders[i].el.style);
}
if(!_oldIE) {
framework.bind(self.scrollWrap, _downEvents, self); // no dragging for old IE
}
_listen('initialZoomInEnd', function() {
self.setContent(_itemHolders[0], _currentItemIndex-1);
self.setContent(_itemHolders[2], _currentItemIndex+1);
_itemHolders[0].el.style.display = _itemHolders[2].el.style.display = 'block';
if(_options.focus) {
// focus causes layout,
// which causes lag during the animation,
// that's why we delay it untill the initial zoom transition ends
template.focus();
}
_bindEvents();
});
// set content for center slide (first time)
self.setContent(_itemHolders[1], _currentItemIndex);
self.updateCurrItem();
_shout('afterInit');
if(!_isFixedPosition) {
// On all versions of iOS lower than 8.0, we check size of viewport every second.
//
// This is done to detect when Safari top & bottom bars appear,
// as this action doesn't trigger any events (like resize).
//
// On iOS8 they fixed this.
//
// 10 Nov 2014: iOS 7 usage ~40%. iOS 8 usage 56%.
_updateSizeInterval = setInterval(function() {
if(!_numAnimations && !_isDragging && !_isZooming && (_currZoomLevel === self.currItem.initialZoomLevel) ) {
self.updateSize();
}
}, 1000);
}
framework.addClass(template, 'pswp--visible');
// 屏蔽滚动条滚动
setTimeout(function(){
$('html').css({overflow:'hidden',height:'100%'});
},300);
},
// Close the gallery, then destroy it
close: function() {
if(!_isOpen) {
return;
}
// 撤销滚动条屏蔽
$('html').css({overflow:'',height:''});
_isOpen = false;
_isDestroying = true;
_shout('close');
_unbindEvents();
_showOrHide(self.currItem, null, true, self.destroy);
},
// destroys the gallery (unbinds events, cleans up intervals and timeouts to avoid memory leaks)
destroy: function() {
_shout('destroy');
if(_showOrHideTimeout) {
clearTimeout(_showOrHideTimeout);
}
template.setAttribute('aria-hidden', 'true');
template.className = _initalClassName;
if(_updateSizeInterval) {
clearInterval(_updateSizeInterval);
}
framework.unbind(self.scrollWrap, _downEvents, self);
// we unbind scroll event at the end, as closing animation may depend on it
framework.unbind(window, 'scroll', self);
_stopDragUpdateLoop();
_stopAllAnimations();
_listeners = null;
},
/**
* Pan image to position
* @param {Number} x
* @param {Number} y
* @param {Boolean} force Will ignore bounds if set to true.
*/
panTo: function(x,y,force) {
if(!force) {
if(x > _currPanBounds.min.x) {
x = _currPanBounds.min.x;
} else if(x < _currPanBounds.max.x) {
x = _currPanBounds.max.x;
}
if(y > _currPanBounds.min.y) {
y = _currPanBounds.min.y;
} else if(y < _currPanBounds.max.y) {
y = _currPanBounds.max.y;
}
}
_panOffset.x = x;
_panOffset.y = y;
_applyCurrentZoomPan();
},
handleEvent: function (e) {
e = e || window.event;
if(_globalEventHandlers[e.type]) {
_globalEventHandlers[e.type](e);
}
},
goTo: function(index) {
var $container=$(self.container);
$container.addClass('transition500');
setTimeout(function(){
$container.removeClass('transition500');
},500)
index = _getLoopedId(index);
var diff = index - _currentItemIndex;
_indexDiff = diff;
_currentItemIndex = index;
self.currItem = _getItemAt( _currentItemIndex );
_currPositionIndex -= diff;
_moveMainScroll(_slideSize.x * _currPositionIndex);
_stopAllAnimations();
_mainScrollAnimating = false;
self.updateCurrItem();
},
next: function() {
self.goTo( _currentItemIndex + 1);
},
prev: function() {
self.goTo( _currentItemIndex - 1);
},
// update current zoom/pan objects
updateCurrZoomItem: function(emulateSetContent) {
if(emulateSetContent) {
_shout('beforeChange', 0);
}
// itemHolder[1] is middle (current) item
if(_itemHolders[1].el.children.length) {
var zoomElement = _itemHolders[1].el.children[0];
if( framework.hasClass(zoomElement, 'pswp__zoom-wrap') ) {
_currZoomElementStyle = zoomElement.style;
} else {
_currZoomElementStyle = null;
}
} else {
_currZoomElementStyle = null;
}
_currPanBounds = self.currItem.bounds;
_startZoomLevel = _currZoomLevel = self.currItem.initialZoomLevel;
_panOffset.x = _currPanBounds.center.x;
_panOffset.y = _currPanBounds.center.y;
if(emulateSetContent) {
_shout('afterChange');
}
},
invalidateCurrItems: function() {
_itemsNeedUpdate = true;
for(var i = 0; i < NUM_HOLDERS; i++) {
if( _itemHolders[i].item ) {
_itemHolders[i].item.needsUpdate = true;
}
}
},
updateCurrItem: function(beforeAnimation) {
if(_indexDiff === 0) {
return;
}
var diffAbs = Math.abs(_indexDiff),
tempHolder;
if(beforeAnimation && diffAbs < 2) {
return;
}
self.currItem = _getItemAt( _currentItemIndex );
_renderMaxResolution = false;
_shout('beforeChange', _indexDiff);
if(diffAbs >= NUM_HOLDERS) {
_containerShiftIndex += _indexDiff + (_indexDiff > 0 ? -NUM_HOLDERS : NUM_HOLDERS);
diffAbs = NUM_HOLDERS;
}
for(var i = 0; i < diffAbs; i++) {
if(_indexDiff > 0) {
tempHolder = _itemHolders.shift();
_itemHolders[NUM_HOLDERS-1] = tempHolder; // move first to last
_containerShiftIndex++;
_setTranslateX( (_containerShiftIndex+2) * _slideSize.x, tempHolder.el.style);
self.setContent(tempHolder, _currentItemIndex - diffAbs + i + 1 + 1);
} else {
tempHolder = _itemHolders.pop();
_itemHolders.unshift( tempHolder ); // move last to first
_containerShiftIndex--;
_setTranslateX( _containerShiftIndex * _slideSize.x, tempHolder.el.style);
self.setContent(tempHolder, _currentItemIndex + diffAbs - i - 1 - 1);
}
}
// reset zoom/pan on previous item
if(_currZoomElementStyle && Math.abs(_indexDiff) === 1) {
var prevItem = _getItemAt(_prevItemIndex);
if(prevItem.initialZoomLevel !== _currZoomLevel) {
_calculateItemSize(prevItem , _viewportSize );
_setImageSize(prevItem);
_applyZoomPanToItem( prevItem );
}
}
// reset diff after update
_indexDiff = 0;
self.updateCurrZoomItem();
_prevItemIndex = _currentItemIndex;
_shout('afterChange');
},
updateSize: function(force) {
if(!_isFixedPosition && _options.modal) {
var windowScrollY = framework.getScrollY();
if(_currentWindowScrollY !== windowScrollY) {
template.style.top = windowScrollY + 'px';
_currentWindowScrollY = windowScrollY;
}
if(!force && _windowVisibleSize.x === window.innerWidth && _windowVisibleSize.y === window.innerHeight) {
return;
}
_windowVisibleSize.x = window.innerWidth;
_windowVisibleSize.y = window.innerHeight;
//template.style.width = _windowVisibleSize.x + 'px';
template.style.height = _windowVisibleSize.y + 'px';
}
_viewportSize.x = self.scrollWrap.clientWidth;
_viewportSize.y = self.scrollWrap.clientHeight;
_updatePageScrollOffset();
_slideSize.x = _viewportSize.x + Math.round(_viewportSize.x * _options.spacing);
_slideSize.y = _viewportSize.y;
_moveMainScroll(_slideSize.x * _currPositionIndex);
_shout('beforeResize'); // even may be used for example to switch image sources
// don't re-calculate size on inital size update
if(_containerShiftIndex !== undefined) {
var holder,
item,
hIndex;
for(var i = 0; i < NUM_HOLDERS; i++) {
holder = _itemHolders[i];
_setTranslateX( (i+_containerShiftIndex) * _slideSize.x, holder.el.style);
hIndex = _currentItemIndex+i-1;
if(_options.loop && _getNumItems() > 2) {
hIndex = _getLoopedId(hIndex);
}
// update zoom level on items and refresh source (if needsUpdate)
item = _getItemAt( hIndex );
// re-render gallery item if `needsUpdate`,
// or doesn't have `bounds` (entirely new slide object)
if( item && (_itemsNeedUpdate || item.needsUpdate || !item.bounds) ) {
self.cleanSlide( item );
self.setContent( holder, hIndex );
// if "center" slide
if(i === 1) {
self.currItem = item;
self.updateCurrZoomItem(true);
}
item.needsUpdate = false;
} else if(holder.index === -1 && hIndex >= 0) {
// add content first time
self.setContent( holder, hIndex );
}
if(item && item.container) {
_calculateItemSize(item, _viewportSize);
_setImageSize(item);
_applyZoomPanToItem( item );
}
}
_itemsNeedUpdate = false;
}
_startZoomLevel = _currZoomLevel = self.currItem.initialZoomLevel;
_currPanBounds = self.currItem.bounds;
if(_currPanBounds) {
_panOffset.x = _currPanBounds.center.x;
_panOffset.y = _currPanBounds.center.y;
_applyCurrentZoomPan( true );
}
_shout('resize');
},
// Zoom current item to
zoomTo: function(destZoomLevel, centerPoint, speed, easingFn, updateFn) {
/*
if(destZoomLevel === 'fit') {
destZoomLevel = self.currItem.fitRatio;
} else if(destZoomLevel === 'fill') {
destZoomLevel = self.currItem.fillRatio;
}
*/
if(centerPoint) {
_startZoomLevel = _currZoomLevel;
_midZoomPoint.x = Math.abs(centerPoint.x) - _panOffset.x ;
_midZoomPoint.y = Math.abs(centerPoint.y) - _panOffset.y ;
_equalizePoints(_startPanOffset, _panOffset);
}
var destPanBounds = _calculatePanBounds(destZoomLevel, false),
destPanOffset = {};
_modifyDestPanOffset('x', destPanBounds, destPanOffset, destZoomLevel);
_modifyDestPanOffset('y', destPanBounds, destPanOffset, destZoomLevel);
var initialZoomLevel = _currZoomLevel;
var initialPanOffset = {
x: _panOffset.x,
y: _panOffset.y
};
_roundPoint(destPanOffset);
var onUpdate = function(now) {
if(now === 1) {
_currZoomLevel = destZoomLevel;
_panOffset.x = destPanOffset.x;
_panOffset.y = destPanOffset.y;
} else {
_currZoomLevel = (destZoomLevel - initialZoomLevel) * now + initialZoomLevel;
_panOffset.x = (destPanOffset.x - initialPanOffset.x) * now + initialPanOffset.x;
_panOffset.y = (destPanOffset.y - initialPanOffset.y) * now + initialPanOffset.y;
}
if(updateFn) {
updateFn(now);
}
_applyCurrentZoomPan( now === 1 );
};
if(speed) {
_animateProp('customZoomTo', 0, 1, speed, easingFn || framework.easing.sine.inOut, onUpdate);
} else {
onUpdate(1);
}
},
};
/*>>core*/
/*>>gestures*/
/**
* Mouse/touch/pointer event handlers.
*
* separated from @core.js for readability
*/
var MIN_SWIPE_DISTANCE = 30,
DIRECTION_CHECK_OFFSET = 10; // amount of pixels to drag to determine direction of swipe
var _gestureStartTime,
_gestureCheckSpeedTime,
// pool of objects that are used during dragging of zooming
p = {}, // first point
p2 = {}, // second point (for zoom gesture)
delta = {},
_currPoint = {},
_startPoint = {},
_currPointers = [],
_startMainScrollPos = {},
_releaseAnimData,
_posPoints = [], // array of points during dragging, used to determine type of gesture
_tempPoint = {},
_isZoomingIn,
_verticalDragInitiated,
_oldAndroidTouchEndTimeout,
_currZoomedItemIndex = 0,
_centerPoint = _getEmptyPoint(),
_lastReleaseTime = 0,
_isDragging, // at least one pointer is down
_isMultitouch, // at least two _pointers are down
_zoomStarted, // zoom level changed during zoom gesture
_moved,
_dragAnimFrame,
_mainScrollShifted,
_currentPoints, // array of current touch points
_isZooming,
_currPointsDistance,
_startPointsDistance,
_currPanBounds,
_mainScrollPos = _getEmptyPoint(),
_currZoomElementStyle,
_mainScrollAnimating, // true, if animation after swipe gesture is running
_midZoomPoint = _getEmptyPoint(),
_currCenterPoint = _getEmptyPoint(),
_direction,
_isFirstMove,
_opacityChanged,
_bgOpacity,
_wasOverInitialZoom,
_isEqualPoints = function(p1, p2) {
return p1.x === p2.x && p1.y === p2.y;
},
_isNearbyPoints = function(touch0, touch1) {
return Math.abs(touch0.x - touch1.x) < DOUBLE_TAP_RADIUS && Math.abs(touch0.y - touch1.y) < DOUBLE_TAP_RADIUS;
},
_calculatePointsDistance = function(p1, p2) {
_tempPoint.x = Math.abs( p1.x - p2.x );
_tempPoint.y = Math.abs( p1.y - p2.y );
return Math.sqrt(_tempPoint.x * _tempPoint.x + _tempPoint.y * _tempPoint.y);
},
_stopDragUpdateLoop = function() {
if(_dragAnimFrame) {
_cancelAF(_dragAnimFrame);
_dragAnimFrame = null;
}
},
_dragUpdateLoop = function() {
if(_isDragging) {
_dragAnimFrame = _requestAF(_dragUpdateLoop);
_renderMovement();
}
},
_canPan = function() {
return !(_options.scaleMode === 'fit' && _currZoomLevel === self.currItem.initialZoomLevel);
},
// find the closest parent DOM element
_closestElement = function(el, fn) {
if(!el || el === document) {
return false;
}
// don't search elements above pswp__scroll-wrap
if(el.getAttribute('class') && el.getAttribute('class').indexOf('pswp__scroll-wrap') > -1 ) {
return false;
}
if( fn(el) ) {
return el;
}
return _closestElement(el.parentNode, fn);
},
_preventObj = {},
_preventDefaultEventBehaviour = function(e, isDown) {
_preventObj.prevent = !_closestElement(e.target, _options.isClickableElement);
_shout('preventDragEvent', e, isDown, _preventObj);
return _preventObj.prevent;
},
_convertTouchToPoint = function(touch, p) {
p.x = touch.pageX;
p.y = touch.pageY;
p.id = touch.identifier;
return p;
},
_findCenterOfPoints = function(p1, p2, pCenter) {
pCenter.x = (p1.x + p2.x) * 0.5;
pCenter.y = (p1.y + p2.y) * 0.5;
},
_pushPosPoint = function(time, x, y) {
if(time - _gestureCheckSpeedTime > 50) {
var o = _posPoints.length > 2 ? _posPoints.shift() : {};
o.x = x;
o.y = y;
_posPoints.push(o);
_gestureCheckSpeedTime = time;
}
},
_calculateVerticalDragOpacityRatio = function() {
var yOffset = _panOffset.y - self.currItem.initialPosition.y; // difference between initial and current position
return 1 - Math.abs( yOffset / (_viewportSize.y / 2) );
},
// points pool, reused during touch events
_ePoint1 = {},
_ePoint2 = {},
_tempPointsArr = [],
_tempCounter,
_getTouchPoints = function(e) {
// clean up previous points, without recreating array
while(_tempPointsArr.length > 0) {
_tempPointsArr.pop();
}
if(!_pointerEventEnabled) {
if(e.type.indexOf('touch') > -1) {
if(e.touches && e.touches.length > 0) {
_tempPointsArr[0] = _convertTouchToPoint(e.touches[0], _ePoint1);
if(e.touches.length > 1) {
_tempPointsArr[1] = _convertTouchToPoint(e.touches[1], _ePoint2);
}
}
} else {
_ePoint1.x = e.pageX;
_ePoint1.y = e.pageY;
_ePoint1.id = '';
_tempPointsArr[0] = _ePoint1;//_ePoint1;
}
} else {
_tempCounter = 0;
// we can use forEach, as pointer events are supported only in modern browsers
_currPointers.forEach(function(p) {
if(_tempCounter === 0) {
_tempPointsArr[0] = p;
} else if(_tempCounter === 1) {
_tempPointsArr[1] = p;
}
_tempCounter++;
});
}
return _tempPointsArr;
},
_panOrMoveMainScroll = function(axis, delta) {
var panFriction,
overDiff = 0,
newOffset = _panOffset[axis] + delta[axis],
startOverDiff,
dir = delta[axis] > 0,
newMainScrollPosition = _mainScrollPos.x + delta.x,
mainScrollDiff = _mainScrollPos.x - _startMainScrollPos.x,
newPanPos,
newMainScrollPos;
// calculate fdistance over the bounds and friction
if(newOffset > _currPanBounds.min[axis] || newOffset < _currPanBounds.max[axis]) {
panFriction = _options.panEndFriction;
// Linear increasing of friction, so at 1/4 of viewport it's at max value.
// Looks not as nice as was expected. Left for history.
// panFriction = (1 - (_panOffset[axis] + delta[axis] + panBounds.min[axis]) / (_viewportSize[axis] / 4) );
} else {
panFriction = 1;
}
newOffset = _panOffset[axis] + delta[axis] * panFriction;
// move main scroll or start panning
if(_options.allowPanToNext || _currZoomLevel === self.currItem.initialZoomLevel) {
if(!_currZoomElementStyle) {
newMainScrollPos = newMainScrollPosition;
} else if(_direction === 'h' && axis === 'x' && !_zoomStarted ) {
if(dir) {
if(newOffset > _currPanBounds.min[axis]) {
panFriction = _options.panEndFriction;
overDiff = _currPanBounds.min[axis] - newOffset;
startOverDiff = _currPanBounds.min[axis] - _startPanOffset[axis];
}
// drag right
if( (startOverDiff <= 0 || mainScrollDiff < 0) && _getNumItems() > 1 ) {
newMainScrollPos = newMainScrollPosition;
if(mainScrollDiff < 0 && newMainScrollPosition > _startMainScrollPos.x) {
newMainScrollPos = _startMainScrollPos.x;
}
} else {
if(_currPanBounds.min.x !== _currPanBounds.max.x) {
newPanPos = newOffset;
}
}
} else {
if(newOffset < _currPanBounds.max[axis] ) {
panFriction =_options.panEndFriction;
overDiff = newOffset - _currPanBounds.max[axis];
startOverDiff = _startPanOffset[axis] - _currPanBounds.max[axis];
}
if( (startOverDiff <= 0 || mainScrollDiff > 0) && _getNumItems() > 1 ) {
newMainScrollPos = newMainScrollPosition;
if(mainScrollDiff > 0 && newMainScrollPosition < _startMainScrollPos.x) {
newMainScrollPos = _startMainScrollPos.x;
}
} else {
if(_currPanBounds.min.x !== _currPanBounds.max.x) {
newPanPos = newOffset;
}
}
}
//
}
if(axis === 'x') {
if(newMainScrollPos !== undefined) {
_moveMainScroll(newMainScrollPos, true);
if(newMainScrollPos === _startMainScrollPos.x) {
_mainScrollShifted = false;
} else {
_mainScrollShifted = true;
}
}
if(_currPanBounds.min.x !== _currPanBounds.max.x) {
if(newPanPos !== undefined) {
_panOffset.x = newPanPos;
} else if(!_mainScrollShifted) {
_panOffset.x += delta.x * panFriction;
}
}
return newMainScrollPos !== undefined;
}
}
if(!_mainScrollAnimating) {
if(!_mainScrollShifted) {
if(_currZoomLevel > self.currItem.fitRatio) {
_panOffset[axis] += delta[axis] * panFriction;
}
}
}
},
// Pointerdown/touchstart/mousedown handler
_onDragStart = function(e) {
// Allow dragging only via left mouse button.
// As this handler is not added in IE8 - we ignore e.which
//
// http://www.quirksmode.org/js/events_properties.html
// https://developer.mozilla.org/en-US/docs/Web/API/event.button
if(e.type === 'mousedown' && e.button > 0 ) {
return;
}
if(_initialZoomRunning) {
e.preventDefault();
return;
}
if(_oldAndroidTouchEndTimeout && e.type === 'mousedown') {
return;
}
if(_preventDefaultEventBehaviour(e, true)) {
// if(device_type!='d'){
// var obj = e.srcElement ? e.srcElement : e.target;
// if($(obj).parents('.pswp__button--rotate-left').length) {
// _imgRotate('','','.pswp__item','.pswp__img:visible',1);
// }
// if($(obj).parents('.pswp__button--rotate-right').length) {
// _imgRotate('','','.pswp__item','.pswp__img:visible',2);
// }
// }
e.preventDefault();
}
_shout('pointerDown');
if(_pointerEventEnabled) {
var pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id');
if(pointerIndex < 0) {
pointerIndex = _currPointers.length;
}
_currPointers[pointerIndex] = {x:e.pageX, y:e.pageY, id: e.pointerId};
}
var startPointsList = _getTouchPoints(e),
numPoints = startPointsList.length;
_currentPoints = null;
_stopAllAnimations();
// init drag
if(!_isDragging || numPoints === 1) {
_isDragging = _isFirstMove = true;
framework.bind(window, _upMoveEvents, self);
_isZoomingIn =
_wasOverInitialZoom =
_opacityChanged =
_verticalDragInitiated =
_mainScrollShifted =
_moved =
_isMultitouch =
_zoomStarted = false;
_direction = null;
_shout('firstTouchStart', startPointsList);
_equalizePoints(_startPanOffset, _panOffset);
_currPanDist.x = _currPanDist.y = 0;
_equalizePoints(_currPoint, startPointsList[0]);
_equalizePoints(_startPoint, _currPoint);
//_equalizePoints(_startMainScrollPos, _mainScrollPos);
_startMainScrollPos.x = _slideSize.x * _currPositionIndex;
_posPoints = [{
x: _currPoint.x,
y: _currPoint.y
}];
_gestureCheckSpeedTime = _gestureStartTime = _getCurrentTime();
//_mainScrollAnimationEnd(true);
_calculatePanBounds( _currZoomLevel, true );
// Start rendering
_stopDragUpdateLoop();
_dragUpdateLoop();
}
// init zoom
if(!_isZooming && numPoints > 1 && !_mainScrollAnimating && !_mainScrollShifted) {
_startZoomLevel = _currZoomLevel;
_zoomStarted = false; // true if zoom changed at least once
_isZooming = _isMultitouch = true;
_currPanDist.y = _currPanDist.x = 0;
_equalizePoints(_startPanOffset, _panOffset);
_equalizePoints(p, startPointsList[0]);
_equalizePoints(p2, startPointsList[1]);
_findCenterOfPoints(p, p2, _currCenterPoint);
_midZoomPoint.x = Math.abs(_currCenterPoint.x) - _panOffset.x;
_midZoomPoint.y = Math.abs(_currCenterPoint.y) - _panOffset.y;
_currPointsDistance = _startPointsDistance = _calculatePointsDistance(p, p2);
}
},
// Pointermove/touchmove/mousemove handler
_onDragMove = function(e) {
e.preventDefault();
if(_pointerEventEnabled) {
var pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id');
if(pointerIndex > -1) {
var p = _currPointers[pointerIndex];
p.x = e.pageX;
p.y = e.pageY;
}
}
if(_isDragging) {
var touchesList = _getTouchPoints(e);
if(!_direction && !_moved && !_isZooming) {
if(_mainScrollPos.x !== _slideSize.x * _currPositionIndex) {
// if main scroll position is shifted – direction is always horizontal
_direction = 'h';
} else {
var diff = Math.abs(touchesList[0].x - _currPoint.x) - Math.abs(touchesList[0].y - _currPoint.y);
// check the direction of movement
if(Math.abs(diff) >= DIRECTION_CHECK_OFFSET) {
_direction = diff > 0 ? 'h' : 'v';
_currentPoints = touchesList;
}
}
} else {
_currentPoints = touchesList;
}
}
},
//
_renderMovement = function() {
if(!_currentPoints) {
return;
}
var numPoints = _currentPoints.length;
if(numPoints === 0) {
return;
}
_equalizePoints(p, _currentPoints[0]);
delta.x = p.x - _currPoint.x;
delta.y = p.y - _currPoint.y;
if(_isZooming && numPoints > 1) {
// Handle behaviour for more than 1 point
_currPoint.x = p.x;
_currPoint.y = p.y;
// check if one of two points changed
if( !delta.x && !delta.y && _isEqualPoints(_currentPoints[1], p2) ) {
return;
}
_equalizePoints(p2, _currentPoints[1]);
if(!_zoomStarted) {
_zoomStarted = true;
_shout('zoomGestureStarted');
}
// Distance between two points
var pointsDistance = _calculatePointsDistance(p,p2);
var zoomLevel = _calculateZoomLevel(pointsDistance);
// slightly over the of initial zoom level
if(zoomLevel > self.currItem.initialZoomLevel + self.currItem.initialZoomLevel / 15) {
_wasOverInitialZoom = true;
}
// Apply the friction if zoom level is out of the bounds
var zoomFriction = 1,
minZoomLevel = _getMinZoomLevel(),
maxZoomLevel = _getMaxZoomLevel();
if ( zoomLevel < minZoomLevel ) {
if(_options.pinchToClose && !_wasOverInitialZoom && _startZoomLevel <= self.currItem.initialZoomLevel) {
// fade out background if zooming out
var minusDiff = minZoomLevel - zoomLevel;
var percent = 1 - minusDiff / (minZoomLevel / 1.2);
_applyBgOpacity(percent);
_shout('onPinchClose', percent);
_opacityChanged = true;
} else {
zoomFriction = (minZoomLevel - zoomLevel) / minZoomLevel;
if(zoomFriction > 1) {
zoomFriction = 1;
}
zoomLevel = minZoomLevel - zoomFriction * (minZoomLevel / 3);
}
} else if ( zoomLevel > maxZoomLevel ) {
// 1.5 - extra zoom level above the max. E.g. if max is x6, real max 6 + 1.5 = 7.5
zoomFriction = (zoomLevel - maxZoomLevel) / ( minZoomLevel * 6 );
if(zoomFriction > 1) {
zoomFriction = 1;
}
zoomLevel = maxZoomLevel + zoomFriction * minZoomLevel;
}
if(zoomFriction < 0) {
zoomFriction = 0;
}
// distance between touch points after friction is applied
_currPointsDistance = pointsDistance;
// _centerPoint - The point in the middle of two pointers
_findCenterOfPoints(p, p2, _centerPoint);
// paning with two pointers pressed
_currPanDist.x += _centerPoint.x - _currCenterPoint.x;
_currPanDist.y += _centerPoint.y - _currCenterPoint.y;
_equalizePoints(_currCenterPoint, _centerPoint);
_panOffset.x = _calculatePanOffset('x', zoomLevel);
_panOffset.y = _calculatePanOffset('y', zoomLevel);
_isZoomingIn = zoomLevel > _currZoomLevel;
_currZoomLevel = zoomLevel;
_applyCurrentZoomPan();
} else {
// handle behaviour for one point (dragging or panning)
if(!_direction) {
return;
}
if(_isFirstMove) {
_isFirstMove = false;
// subtract drag distance that was used during the detection direction
if( Math.abs(delta.x) >= DIRECTION_CHECK_OFFSET) {
delta.x -= _currentPoints[0].x - _startPoint.x;
}
if( Math.abs(delta.y) >= DIRECTION_CHECK_OFFSET) {
delta.y -= _currentPoints[0].y - _startPoint.y;
}
}
_currPoint.x = p.x;
_currPoint.y = p.y;
// do nothing if pointers position hasn't changed
if(delta.x === 0 && delta.y === 0) {
return;
}
if(_direction === 'v' && _options.closeOnVerticalDrag) {
if(!_canPan()) {
_currPanDist.y += delta.y;
_panOffset.y += delta.y;
var opacityRatio = _calculateVerticalDragOpacityRatio();
_verticalDragInitiated = true;
_shout('onVerticalDrag', opacityRatio);
_applyBgOpacity(opacityRatio);
_applyCurrentZoomPan();
return ;
}
}
_pushPosPoint(_getCurrentTime(), p.x, p.y);
_moved = true;
_currPanBounds = self.currItem.bounds;
var mainScrollChanged = _panOrMoveMainScroll('x', delta);
if(!mainScrollChanged) {
_panOrMoveMainScroll('y', delta);
_roundPoint(_panOffset);
_applyCurrentZoomPan();
}
}
},
// Pointerup/pointercancel/touchend/touchcancel/mouseup event handler
_onDragRelease = function(e) {
if(_features.isOldAndroid ) {
if(_oldAndroidTouchEndTimeout && e.type === 'mouseup') {
return;
}
// on Android (v4.1, 4.2, 4.3 & possibly older)
// ghost mousedown/up event isn't preventable via e.preventDefault,
// which causes fake mousedown event
// so we block mousedown/up for 600ms
if( e.type.indexOf('touch') > -1 ) {
clearTimeout(_oldAndroidTouchEndTimeout);
_oldAndroidTouchEndTimeout = setTimeout(function() {
_oldAndroidTouchEndTimeout = 0;
}, 600);
}
}
_shout('pointerUp');
if(_preventDefaultEventBehaviour(e, false)) {
e.preventDefault();
}
var releasePoint;
if(_pointerEventEnabled) {
var pointerIndex = framework.arraySearch(_currPointers, e.pointerId, 'id');
if(pointerIndex > -1) {
releasePoint = _currPointers.splice(pointerIndex, 1)[0];
if(navigator.pointerEnabled) {
releasePoint.type = e.pointerType || 'mouse';
} else {
var MSPOINTER_TYPES = {
4: 'mouse', // event.MSPOINTER_TYPE_MOUSE
2: 'touch', // event.MSPOINTER_TYPE_TOUCH
3: 'pen' // event.MSPOINTER_TYPE_PEN
};
releasePoint.type = MSPOINTER_TYPES[e.pointerType];
if(!releasePoint.type) {
releasePoint.type = e.pointerType || 'mouse';
}
}
}
}
var touchList = _getTouchPoints(e),
gestureType,
numPoints = touchList.length;
if(e.type === 'mouseup') {
numPoints = 0;
}
// Do nothing if there were 3 touch points or more
if(numPoints === 2) {
_currentPoints = null;
return true;
}
// if second pointer released
if(numPoints === 1) {
_equalizePoints(_startPoint, touchList[0]);
}
// pointer hasn't moved, send "tap release" point
if(numPoints === 0 && !_direction && !_mainScrollAnimating) {
if(!releasePoint) {
if(e.type === 'mouseup') {
releasePoint = {x: e.pageX, y: e.pageY, type:'mouse'};
} else if(e.changedTouches && e.changedTouches[0]) {
releasePoint = {x: e.changedTouches[0].pageX, y: e.changedTouches[0].pageY, type:'touch'};
}
}
_shout('touchRelease', e, releasePoint);
}
// Difference in time between releasing of two last touch points (zoom gesture)
var releaseTimeDiff = -1;
// Gesture completed, no pointers left
if(numPoints === 0) {
_isDragging = false;
framework.unbind(window, _upMoveEvents, self);
_stopDragUpdateLoop();
if(_isZooming) {
// Two points released at the same time
releaseTimeDiff = 0;
} else if(_lastReleaseTime !== -1) {
releaseTimeDiff = _getCurrentTime() - _lastReleaseTime;
}
}
_lastReleaseTime = numPoints === 1 ? _getCurrentTime() : -1;
if(releaseTimeDiff !== -1 && releaseTimeDiff < 150) {
gestureType = 'zoom';
} else {
gestureType = 'swipe';
}
if(_isZooming && numPoints < 2) {
_isZooming = false;
// Only second point released
if(numPoints === 1) {
gestureType = 'zoomPointerUp';
}
_shout('zoomGestureEnded');
}
_currentPoints = null;
if(!_moved && !_zoomStarted && !_mainScrollAnimating && !_verticalDragInitiated) {
// nothing to animate
return;
}
_stopAllAnimations();
if(!_releaseAnimData) {
_releaseAnimData = _initDragReleaseAnimationData();
}
_releaseAnimData.calculateSwipeSpeed('x');
if(_verticalDragInitiated) {
var opacityRatio = _calculateVerticalDragOpacityRatio();
if(opacityRatio < _options.verticalDragRange) {
self.close();
} else {
var initalPanY = _panOffset.y,
initialBgOpacity = _bgOpacity;
_animateProp('verticalDrag', 0, 1, 300, framework.easing.cubic.out, function(now) {
_panOffset.y = (self.currItem.initialPosition.y - initalPanY) * now + initalPanY;
_applyBgOpacity( (1 - initialBgOpacity) * now + initialBgOpacity );
_applyCurrentZoomPan();
});
_shout('onVerticalDrag', 1);
}
return;
}
// main scroll
if( (_mainScrollShifted || _mainScrollAnimating) && numPoints === 0) {
var itemChanged = _finishSwipeMainScrollGesture(gestureType, _releaseAnimData);
if(itemChanged) {
return;
}
gestureType = 'zoomPointerUp';
}
// prevent zoom/pan animation when main scroll animation runs
if(_mainScrollAnimating) {
return;
}
// Complete simple zoom gesture (reset zoom level if it's out of the bounds)
if(gestureType !== 'swipe') {
_completeZoomGesture();
return;
}
// Complete pan gesture if main scroll is not shifted, and it's possible to pan current image
if(!_mainScrollShifted && _currZoomLevel > self.currItem.fitRatio) {
_completePanGesture(_releaseAnimData);
}
},
// Returns object with data about gesture
// It's created only once and then reused
_initDragReleaseAnimationData = function() {
// temp local vars
var lastFlickDuration,
tempReleasePos;
// s = this
var s = {
lastFlickOffset: {},
lastFlickDist: {},
lastFlickSpeed: {},
slowDownRatio: {},
slowDownRatioReverse: {},
speedDecelerationRatio: {},
speedDecelerationRatioAbs: {},
distanceOffset: {},
backAnimDestination: {},
backAnimStarted: {},
calculateSwipeSpeed: function(axis) {
if( _posPoints.length > 1) {
lastFlickDuration = _getCurrentTime() - _gestureCheckSpeedTime + 50;
tempReleasePos = _posPoints[_posPoints.length-2][axis];
} else {
lastFlickDuration = _getCurrentTime() - _gestureStartTime; // total gesture duration
tempReleasePos = _startPoint[axis];
}
s.lastFlickOffset[axis] = _currPoint[axis] - tempReleasePos;
s.lastFlickDist[axis] = Math.abs(s.lastFlickOffset[axis]);
if(s.lastFlickDist[axis] > 20) {
s.lastFlickSpeed[axis] = s.lastFlickOffset[axis] / lastFlickDuration;
} else {
s.lastFlickSpeed[axis] = 0;
}
if( Math.abs(s.lastFlickSpeed[axis]) < 0.1 ) {
s.lastFlickSpeed[axis] = 0;
}
s.slowDownRatio[axis] = 0.95;
s.slowDownRatioReverse[axis] = 1 - s.slowDownRatio[axis];
s.speedDecelerationRatio[axis] = 1;
},
calculateOverBoundsAnimOffset: function(axis, speed) {
if(!s.backAnimStarted[axis]) {
if(_panOffset[axis] > _currPanBounds.min[axis]) {
s.backAnimDestination[axis] = _currPanBounds.min[axis];
} else if(_panOffset[axis] < _currPanBounds.max[axis]) {
s.backAnimDestination[axis] = _currPanBounds.max[axis];
}
if(s.backAnimDestination[axis] !== undefined) {
s.slowDownRatio[axis] = 0.7;
s.slowDownRatioReverse[axis] = 1 - s.slowDownRatio[axis];
if(s.speedDecelerationRatioAbs[axis] < 0.05) {
s.lastFlickSpeed[axis] = 0;
s.backAnimStarted[axis] = true;
_animateProp('bounceZoomPan'+axis,_panOffset[axis],
s.backAnimDestination[axis],
speed || 300,
framework.easing.sine.out,
function(pos) {
_panOffset[axis] = pos;
_applyCurrentZoomPan();
}
);
}
}
}
},
// Reduces the speed by slowDownRatio (per 10ms)
calculateAnimOffset: function(axis) {
if(!s.backAnimStarted[axis]) {
s.speedDecelerationRatio[axis] = s.speedDecelerationRatio[axis] * (s.slowDownRatio[axis] +
s.slowDownRatioReverse[axis] -
s.slowDownRatioReverse[axis] * s.timeDiff / 10);
s.speedDecelerationRatioAbs[axis] = Math.abs(s.lastFlickSpeed[axis] * s.speedDecelerationRatio[axis]);
s.distanceOffset[axis] = s.lastFlickSpeed[axis] * s.speedDecelerationRatio[axis] * s.timeDiff;
_panOffset[axis] += s.distanceOffset[axis];
}
},
panAnimLoop: function() {
if ( _animations.zoomPan ) {
_animations.zoomPan.raf = _requestAF(s.panAnimLoop);
s.now = _getCurrentTime();
s.timeDiff = s.now - s.lastNow;
s.lastNow = s.now;
s.calculateAnimOffset('x');
s.calculateAnimOffset('y');
_applyCurrentZoomPan();
s.calculateOverBoundsAnimOffset('x');
s.calculateOverBoundsAnimOffset('y');
if (s.speedDecelerationRatioAbs.x < 0.05 && s.speedDecelerationRatioAbs.y < 0.05) {
// round pan position
_panOffset.x = Math.round(_panOffset.x);
_panOffset.y = Math.round(_panOffset.y);
_applyCurrentZoomPan();
_stopAnimation('zoomPan');
return;
}
}
}
};
return s;
},
_completePanGesture = function(animData) {
// calculate swipe speed for Y axis (paanning)
animData.calculateSwipeSpeed('y');
_currPanBounds = self.currItem.bounds;
animData.backAnimDestination = {};
animData.backAnimStarted = {};
// Avoid acceleration animation if speed is too low
if(Math.abs(animData.lastFlickSpeed.x) <= 0.05 && Math.abs(animData.lastFlickSpeed.y) <= 0.05 ) {
animData.speedDecelerationRatioAbs.x = animData.speedDecelerationRatioAbs.y = 0;
// Run pan drag release animation. E.g. if you drag image and release finger without momentum.
animData.calculateOverBoundsAnimOffset('x');
animData.calculateOverBoundsAnimOffset('y');
return true;
}
// Animation loop that controls the acceleration after pan gesture ends
_registerStartAnimation('zoomPan');
animData.lastNow = _getCurrentTime();
animData.panAnimLoop();
},
_finishSwipeMainScrollGesture = function(gestureType, _releaseAnimData) {
var itemChanged;
if(!_mainScrollAnimating) {
_currZoomedItemIndex = _currentItemIndex;
}
var itemsDiff;
if(gestureType === 'swipe') {
var totalShiftDist = _currPoint.x - _startPoint.x,
isFastLastFlick = _releaseAnimData.lastFlickDist.x < 10;
// if container is shifted for more than MIN_SWIPE_DISTANCE,
// and last flick gesture was in right direction
if(totalShiftDist > MIN_SWIPE_DISTANCE &&
(isFastLastFlick || _releaseAnimData.lastFlickOffset.x > 20) ) {
// go to prev item
itemsDiff = -1;
} else if(totalShiftDist < -MIN_SWIPE_DISTANCE &&
(isFastLastFlick || _releaseAnimData.lastFlickOffset.x < -20) ) {
// go to next item
itemsDiff = 1;
}
}
var nextCircle;
if(itemsDiff) {
_currentItemIndex += itemsDiff;
if(_currentItemIndex < 0) {
_currentItemIndex = _options.loop ? _getNumItems()-1 : 0;
nextCircle = true;
} else if(_currentItemIndex >= _getNumItems()) {
_currentItemIndex = _options.loop ? 0 : _getNumItems()-1;
nextCircle = true;
}
if(!nextCircle || _options.loop) {
_indexDiff += itemsDiff;
_currPositionIndex -= itemsDiff;
itemChanged = true;
}
}
var animateToX = _slideSize.x * _currPositionIndex;
var animateToDist = Math.abs( animateToX - _mainScrollPos.x );
var finishAnimDuration;
if(!itemChanged && animateToX > _mainScrollPos.x !== _releaseAnimData.lastFlickSpeed.x > 0) {
// "return to current" duration, e.g. when dragging from slide 0 to -1
finishAnimDuration = 333;
} else {
finishAnimDuration = Math.abs(_releaseAnimData.lastFlickSpeed.x) > 0 ?
animateToDist / Math.abs(_releaseAnimData.lastFlickSpeed.x) :
333;
finishAnimDuration = Math.min(finishAnimDuration, 400);
finishAnimDuration = Math.max(finishAnimDuration, 250);
}
if(_currZoomedItemIndex === _currentItemIndex) {
itemChanged = false;
}
_mainScrollAnimating = true;
_shout('mainScrollAnimStart');
_animateProp('mainScroll', _mainScrollPos.x, animateToX, finishAnimDuration, framework.easing.cubic.out,
_moveMainScroll,
function() {
_stopAllAnimations();
_mainScrollAnimating = false;
_currZoomedItemIndex = -1;
if(itemChanged || _currZoomedItemIndex !== _currentItemIndex) {
self.updateCurrItem();
}
_shout('mainScrollAnimComplete');
}
);
if(itemChanged) {
self.updateCurrItem(true);
}
return itemChanged;
},
_calculateZoomLevel = function(touchesDistance) {
return 1 / _startPointsDistance * touchesDistance * _startZoomLevel;
},
// Resets zoom if it's out of bounds
_completeZoomGesture = function() {
var destZoomLevel = _currZoomLevel,
minZoomLevel = _getMinZoomLevel(),
maxZoomLevel = _getMaxZoomLevel();
if ( _currZoomLevel < minZoomLevel ) {
destZoomLevel = minZoomLevel;
} else if ( _currZoomLevel > maxZoomLevel ) {
destZoomLevel = maxZoomLevel;
}
var destOpacity = 1,
onUpdate,
initialOpacity = _bgOpacity;
if(_opacityChanged && !_isZoomingIn && !_wasOverInitialZoom && _currZoomLevel < minZoomLevel) {
//_closedByScroll = true;
self.close();
return true;
}
if(_opacityChanged) {
onUpdate = function(now) {
_applyBgOpacity( (destOpacity - initialOpacity) * now + initialOpacity );
};
}
self.zoomTo(destZoomLevel, 0, 200, framework.easing.cubic.out, onUpdate);
return true;
};
_registerModule('Gestures', {
publicMethods: {
initGestures: function() {
// helper function that builds touch/pointer/mouse events
var addEventNames = function(pref, down, move, up, cancel) {
_dragStartEvent = pref + down;
_dragMoveEvent = pref + move;
_dragEndEvent = pref + up;
if(cancel) {
_dragCancelEvent = pref + cancel;
} else {
_dragCancelEvent = '';
}
};
_pointerEventEnabled = _features.pointerEvent;
if(_pointerEventEnabled && _features.touch) {
// we don't need touch events, if browser supports pointer events
_features.touch = false;
}
if(_pointerEventEnabled) {
if(navigator.pointerEnabled) {
addEventNames('pointer', 'down', 'move', 'up', 'cancel');
} else {
// IE10 pointer events are case-sensitive
addEventNames('MSPointer', 'Down', 'Move', 'Up', 'Cancel');
}
} else if(_features.touch) {
addEventNames('touch', 'start', 'move', 'end', 'cancel');
_likelyTouchDevice = true;
} else {
addEventNames('mouse', 'down', 'move', 'up');
}
_upMoveEvents = _dragMoveEvent + ' ' + _dragEndEvent + ' ' + _dragCancelEvent;
_downEvents = _dragStartEvent;
if(_pointerEventEnabled && !_likelyTouchDevice) {
_likelyTouchDevice = (navigator.maxTouchPoints > 1) || (navigator.msMaxTouchPoints > 1);
}
// make variable public
self.likelyTouchDevice = _likelyTouchDevice;
_globalEventHandlers[_dragStartEvent] = _onDragStart;
_globalEventHandlers[_dragMoveEvent] = _onDragMove;
_globalEventHandlers[_dragEndEvent] = _onDragRelease; // the Kraken
if(_dragCancelEvent) {
_globalEventHandlers[_dragCancelEvent] = _globalEventHandlers[_dragEndEvent];
}
// Bind mouse events on device with detected hardware touch support, in case it supports multiple types of input.
if(_features.touch) {
_downEvents += ' mousedown';
_upMoveEvents += ' mousemove mouseup';
_globalEventHandlers.mousedown = _globalEventHandlers[_dragStartEvent];
_globalEventHandlers.mousemove = _globalEventHandlers[_dragMoveEvent];
_globalEventHandlers.mouseup = _globalEventHandlers[_dragEndEvent];
}
if(!_likelyTouchDevice) {
// don't allow pan to next slide from zoomed state on Desktop
_options.allowPanToNext = false;
}
}
}
});
/*>>gestures*/
/*>>show-hide-transition*/
/**
* show-hide-transition.js:
*
* Manages initial opening or closing transition.
*
* If you're not planning to use transition for gallery at all,
* you may set options hideAnimationDuration and showAnimationDuration to 0,
* and just delete startAnimation function.
*
*/
var _showOrHideTimeout,
_showOrHide = function(item, img, out, completeFn) {
if(_showOrHideTimeout) {
clearTimeout(_showOrHideTimeout);
}
_initialZoomRunning = true;
_initialContentSet = true;
// dimensions of small thumbnail {x:,y:,w:}.
// Height is optional, as calculated based on large image.
var thumbBounds;
if(item.initialLayout) {
thumbBounds = item.initialLayout;
item.initialLayout = null;
} else {
thumbBounds = _options.getThumbBoundsFn && _options.getThumbBoundsFn(_currentItemIndex);
}
var duration = out ? _options.hideAnimationDuration : _options.showAnimationDuration;
var onComplete = function() {
_stopAnimation('initialZoom');
if(!out) {
_applyBgOpacity(1);
if(img) {
img.style.display = 'block';
}
framework.addClass(template, 'pswp--animated-in');
_shout('initialZoom' + (out ? 'OutEnd' : 'InEnd'));
} else {
self.template.removeAttribute('style');
self.bg.removeAttribute('style');
}
if(completeFn) {
completeFn();
}
_initialZoomRunning = false;
};
// if bounds aren't provided, just open gallery without animation
if(!duration || !thumbBounds || thumbBounds.x === undefined) {
_shout('initialZoom' + (out ? 'Out' : 'In') );
_currZoomLevel = item.initialZoomLevel;
_equalizePoints(_panOffset, item.initialPosition );
_applyCurrentZoomPan();
template.style.opacity = out ? 0 : 1;
_applyBgOpacity(1);
if(duration) {
setTimeout(function() {
onComplete();
}, duration);
} else {
onComplete();
}
return;
}
var startAnimation = function() {
var closeWithRaf = _closedByScroll,
fadeEverything = !self.currItem.src || self.currItem.loadError || _options.showHideOpacity;
// apply hw-acceleration to image
if(item.miniImg) {
item.miniImg.style.webkitBackfaceVisibility = 'hidden';
}
if(!out) {
_currZoomLevel = thumbBounds.w / item.w;
_panOffset.x = thumbBounds.x;
_panOffset.y = thumbBounds.y - _initalWindowScrollY;
self[fadeEverything ? 'template' : 'bg'].style.opacity = 0.001;
_applyCurrentZoomPan();
}
_registerStartAnimation('initialZoom');
if(out && !closeWithRaf) {
framework.removeClass(template, 'pswp--animated-in');
}
if(fadeEverything) {
if(out) {
framework[ (closeWithRaf ? 'remove' : 'add') + 'Class' ](template, 'pswp--animate_opacity');
} else {
setTimeout(function() {
framework.addClass(template, 'pswp--animate_opacity');
}, 30);
}
}
_showOrHideTimeout = setTimeout(function() {
_shout('initialZoom' + (out ? 'Out' : 'In') );
if(!out) {
// "in" animation always uses CSS transitions (instead of rAF).
// CSS transition work faster here,
// as developer may also want to animate other things,
// like ui on top of sliding area, which can be animated just via CSS
_currZoomLevel = item.initialZoomLevel;
_equalizePoints(_panOffset, item.initialPosition );
_applyCurrentZoomPan();
_applyBgOpacity(1);
if(fadeEverything) {
template.style.opacity = 1;
} else {
_applyBgOpacity(1);
}
_showOrHideTimeout = setTimeout(onComplete, duration + 20);
} else {
// "out" animation uses rAF only when PhotoSwipe is closed by browser scroll, to recalculate position
var destZoomLevel = thumbBounds.w / item.w,
initialPanOffset = {
x: _panOffset.x,
y: _panOffset.y
},
initialZoomLevel = _currZoomLevel,
initalBgOpacity = _bgOpacity,
onUpdate = function(now) {
if(now === 1) {
_currZoomLevel = destZoomLevel;
_panOffset.x = thumbBounds.x;
_panOffset.y = thumbBounds.y - _currentWindowScrollY;
} else {
_currZoomLevel = (destZoomLevel - initialZoomLevel) * now + initialZoomLevel;
_panOffset.x = (thumbBounds.x - initialPanOffset.x) * now + initialPanOffset.x;
_panOffset.y = (thumbBounds.y - _currentWindowScrollY - initialPanOffset.y) * now + initialPanOffset.y;
}
_applyCurrentZoomPan();
if(fadeEverything) {
template.style.opacity = 1 - now;
} else {
_applyBgOpacity( initalBgOpacity - now * initalBgOpacity );
}
};
if(closeWithRaf) {
_animateProp('initialZoom', 0, 1, duration, framework.easing.cubic.out, onUpdate, onComplete);
} else {
onUpdate(1);
_showOrHideTimeout = setTimeout(onComplete, duration + 20);
}
}
}, out ? 25 : 90); // Main purpose of this delay is to give browser time to paint and
// create composite layers of PhotoSwipe UI parts (background, controls, caption, arrows).
// Which avoids lag at the beginning of scale transition.
};
startAnimation();
};
/*>>show-hide-transition*/
/*>>items-controller*/
/**
*
* Controller manages gallery items, their dimensions, and their content.
*
*/
var _items,
_tempPanAreaSize = {},
_imagesToAppendPool = [],
_initialContentSet,
_initialZoomRunning,
_controllerDefaultOptions = {
index: 0,
errorMsg: '-1&&(c.onTap(),d=!0);if(d){a.stopPropagation&&a.stopPropagation(),r=!0;var h=b.features.isOldAndroid?600:30;s=setTimeout(function(){r=!1},h)}},B=function(){return!a.likelyTouchDevice||q.mouseUsed||screen.width>1200},C=function(a,c,d){b[(d?"add":"remove")+"Class"](a,"pswp__"+c)},D=function(){var a=1===q.getNumItemsFn();a!==p&&(C(d,"ui--one-slide",a),p=a)},E=function(){C(i,"share-modal--hidden",y)},F=function(){return y=!y,y?(b.removeClass(i,"pswp__share-modal--fade-in"),setTimeout(function(){y&&E()},300)):(E(),setTimeout(function(){y||b.addClass(i,"pswp__share-modal--fade-in")},30)),y||H(),!1},G=function(b){b=b||window.event;var c=b.target||b.srcElement;return a.shout("shareLinkClick",b,c),c.href?c.hasAttribute("download")?!0:(window.open(c.href,"pswp_share","scrollbars=yes,resizable=yes,toolbar=no,location=yes,width=550,height=420,top=100,left="+(window.screen?Math.round(screen.width/2-275):100)),y||F(),!1):!1},H=function(){for(var a,b,c,d,e,f="",g=0;g"+a.label+"",q.parseShareButtonOut&&(f=q.parseShareButtonOut(a,f));i.children[0].innerHTML=f,i.children[0].onclick=G},I=function(a){for(var c=0;ca?v.hideControls():!x&&a>=.95&&v.showControls()});var a;l("onPinchClose",function(b){x&&.9>b?(v.hideControls(),a=!0):a&&!x&&b>.9&&v.showControls()}),l("zoomGestureEnded",function(){a=!1,a&&!x&&v.showControls()})},S=[{name:"caption",option:"captionEl",onInit:function(a){e=a}},{name:"share-modal",option:"shareEl",onInit:function(a){i=a},onTap:function(){F()}},{name:"button--share",option:"shareEl",onInit:function(a){h=a},onTap:function(){F()}},{name:"button--zoom",option:"zoomEl",onTap:a.toggleDesktopZoom},{name:"counter",option:"counterEl",onInit:function(a){g=a}},{name:"button--close",option:"closeEl",onTap:a.close},{name:"button--arrow--left",option:"arrowEl",onTap:a.prev},{name:"button--arrow--right",option:"arrowEl",onTap:a.next},{name:"button--fs",option:"fullscreenEl",onTap:function(){c.isFullscreen()?c.exit():c.enter()}},{name:"preloader",option:"preloaderEl",onInit:function(a){m=a}}],T=function(){var a,c,e,f=function(d){if(d)for(var f=d.length,g=0;f>g;g++){a=d[g],c=a.className;for(var h=0;h-1&&(q[e.option]?(b.removeClass(a,"pswp__element--disabled"),e.onInit&&e.onInit(a)):b.addClass(a,"pswp__element--disabled"))}};f(d.children);var g=b.getChildByClass(d,"pswp__top-bar");g&&f(g.children)};v.init=function(){b.extend(a.options,z,!0),q=a.options,d=b.getChildByClass(a.scrollWrap,"pswp__ui"),l=a.listen,R(),l("beforeChange",v.update),l("doubleTap",function(b){var c=a.currItem.initialZoomLevel;a.getZoomLevel()!==c?a.zoomTo(c,b,333):a.zoomTo(q.getDoubleTapZoom(!1,a.currItem),b,333)}),l("preventDragEvent",function(a,b,c){var d=a.target||a.srcElement;d&&d.className&&a.type.indexOf("mouse")>-1&&(d.className.indexOf("__caption")>0||/(SMALL|STRONG|EM)/i.test(d.tagName))&&(c.prevent=!1)}),l("bindEvents",function(){b.bind(d,"pswpTap click",A),b.bind(a.scrollWrap,"pswpTap",v.onGlobalTap),a.likelyTouchDevice||b.bind(a.scrollWrap,"mouseover",v.onMouseOver)}),l("unbindEvents",function(){y||F(),t&&clearInterval(t),b.unbind(document,"mouseout",L),b.unbind(document,"mousemove",K),b.unbind(d,"pswpTap click",A),b.unbind(a.scrollWrap,"pswpTap",v.onGlobalTap),b.unbind(a.scrollWrap,"mouseover",v.onMouseOver),c&&(b.unbind(document,c.eventK,v.updateFullscreen),c.isFullscreen()&&(q.hideAnimationDuration=0,c.exit()),c=null)}),l("destroy",function(){q.captionEl&&(f&&d.removeChild(f),b.removeClass(e,"pswp__caption--empty")),i&&(i.children[0].onclick=null),b.removeClass(d,"pswp__ui--over-close"),b.addClass(d,"pswp__ui--hidden"),v.setIdle(!1)}),q.showAnimationDuration||b.removeClass(d,"pswp__ui--hidden"),l("initialZoomIn",function(){q.showAnimationDuration&&b.removeClass(d,"pswp__ui--hidden")}),l("initialZoomOut",function(){b.addClass(d,"pswp__ui--hidden")}),l("parseVerticalMargin",P),T(),q.shareEl&&h&&i&&(y=!0),D(),Q(),M(),N()},v.setIdle=function(a){k=a,C(d,"ui--idle",a)},v.update=function(){x&&a.currItem?(v.updateIndexIndicator(),q.captionEl&&(q.addCaptionHTMLFn(a.currItem,e),C(e,"caption--empty",!a.currItem.title)),w=!0):w=!1,y||F(),D()},v.updateFullscreen=function(d){d&&setTimeout(function(){a.setScrollOffset(0,b.getScrollY())},50),b[(c.isFullscreen()?"add":"remove")+"Class"](a.template,"pswp--fs")},v.updateIndexIndicator=function(){q.counterEl&&(g.innerHTML=a.getCurrentIndex()+1+q.indexIndicatorSep+q.getNumItemsFn())},v.onGlobalTap=function(c){c=c||window.event;var d=c.target||c.srcElement;if(!r)if(c.detail&&"mouse"===c.detail.pointerType){if(I(d))return void a.close();b.hasClass(d,"pswp__img")&&(1===a.getZoomLevel()&&a.getZoomLevel()<=a.currItem.fitRatio?q.clickToCloseNonZoomable&&a.close():a.toggleDesktopZoom(c.detail.releasePoint))}else if(q.tapToToggleControls&&(x?v.hideControls():v.showControls()),q.tapToClose&&(b.hasClass(d,"pswp__img")||I(d)))return void a.close()},v.onMouseOver=function(a){a=a||window.event;var b=a.target||a.srcElement;C(d,"ui--over-close",I(b))},v.hideControls=function(){b.addClass(d,"pswp__ui--hidden"),x=!1},v.showControls=function(){x=!0,w||v.update(),b.removeClass(d,"pswp__ui--hidden")},v.supportsFullscreen=function(){var a=document;return!!(a.exitFullscreen||a.mozCancelFullScreen||a.webkitExitFullscreen||a.msExitFullscreen)},v.getFullscreenAPI=function(){var b,c=document.documentElement,d="fullscreenchange";return c.requestFullscreen?b={enterK:"requestFullscreen",exitK:"exitFullscreen",elementK:"fullscreenElement",eventK:d}:c.mozRequestFullScreen?b={enterK:"mozRequestFullScreen",exitK:"mozCancelFullScreen",elementK:"mozFullScreenElement",eventK:"moz"+d}:c.webkitRequestFullscreen?b={enterK:"webkitRequestFullscreen",exitK:"webkitExitFullscreen",elementK:"webkitFullscreenElement",eventK:"webkit"+d}:c.msRequestFullscreen&&(b={enterK:"msRequestFullscreen",exitK:"msExitFullscreen",elementK:"msFullscreenElement",eventK:"MSFullscreenChange"}),b&&(b.enter=function(){return j=q.closeOnScroll,q.closeOnScroll=!1,"webkitRequestFullscreen"!==this.enterK?a.template[this.enterK]():void a.template[this.enterK](Element.ALLOW_KEYBOARD_INPUT)},b.exit=function(){return q.closeOnScroll=j,document[this.exitK]()},b.isFullscreen=function(){return document[this.elementK]}),b}};return a});
$.initPhotoSwipeFromDOM = function(gallerySelector,medDom) {
var parseThumbnailElements = function(el) {
var thumbElements = $(medDom,el),
numNodes = thumbElements.length,
items = [],
el,
childElements,
thumbnailEl,
size,
item;
for (var i = 0; i < numNodes; i++) {
el = thumbElements[i];
// include only element nodes
if (el.nodeType !== 1) {
continue;
}
childElements = el.children;
size = el.getAttribute('data-size').split('x');
// create slide object
item = {
src: el.getAttribute('href'),
w: parseInt(size[0], 10),
h: parseInt(size[1], 10),
author: el.getAttribute('data-author')
};
item.el = el; // save link to element for getThumbBoundsFn
if (childElements.length > 0) {
item.msrc = childElements[0].getAttribute('src'); // thumbnail url
if (childElements.length > 1) {
item.title = childElements[1].innerHTML/*childElements[0].getAttribute('alt')*/; // caption (contents of figure)
}
}
var mediumSrc = el.getAttribute('data-med');
if (mediumSrc) {
size = el.getAttribute('data-med-size').split('x');
// "medium-sized" image
item.m = {
src: mediumSrc,
w: parseInt(size[0], 10),
h: parseInt(size[1], 10)
};
}
// original image
item.o = {
src: item.src,
w: item.w,
h: item.h
};
items.push(item);
}
return items;
};
// find nearest parent element
var closest = function closest(el, fn) {
return el && (fn(el) ? el : closest(el.parentNode, fn));
};
var onThumbnailsClick = function(e,parents) {
e = e || window.event;
e.preventDefault ? e.preventDefault() : e.returnValue = false;
var eTarget = e.target || e.srcElement;
var clickedListItem = closest(eTarget, function(el) {
return el.tagName === 'A';
});
if (!clickedListItem) {
return;
}
var clickedGallery = parents,
clickedListItemMed=$(clickedListItem).data('med'),
index;
$(medDom,parents).each(function(i, el) {
if($(this).data('med')==clickedListItemMed){
index=i;
return false;
}
});
if (index >= 0) {
openPhotoSwipe(index, clickedGallery);
}
return false;
};
var photoswipeParseHash = function() {
var hash = window.location.hash.substring(1),
params = {};
if (hash.length < 5) { // pid=1
return params;
}
var vars = hash.split('&');
for (var i = 0; i < vars.length; i++) {
if (!vars[i]) {
continue;
}
var pair = vars[i].split('=');
if (pair.length < 2) {
continue;
}
params[pair[0]] = pair[1];
}
if (params.gid) {
params.gid = parseInt(params.gid, 10);
}
return params;
};
var openPhotoSwipe = function(index, galleryElement, disableAnimation, fromURL) {
if(!$('.pswp').length){
var pswp_html='';
$('body').append(pswp_html);
}
var pswpElement = document.querySelectorAll('.pswp')[0],
gallery,
options,
items;
items = parseThumbnailElements(galleryElement);
// define options (if needed)
options = {
galleryUID: galleryElement.getAttribute('data-pswp-uid'),
getThumbBoundsFn: function(index) {
// See Options->getThumbBoundsFn section of docs for more info
var thumbnail = items[index].el.children[0],
pageYScroll = window.pageYOffset || document.documentElement.scrollTop,
rect = thumbnail.getBoundingClientRect();
return {
x: rect.left,
y: rect.top + pageYScroll,
w: rect.width
};
},
addCaptionHTMLFn: function(item, captionEl, isFake) {
if (!item.title) {
captionEl.children[0].innerText = '';
return false;
}
captionEl.children[0].innerHTML = item.title/* + '
Photo: ' + item.author + ''*/; return true; }, closeOnScroll:false, tapToClose:true, tapToToggleControls:false, fullscreenEl:false, // captionEl:false, shareEl:false, errorMsg:'![]()
")
.one("load", function() {
$self.hide();
if ($self.is("img")/* || $self.is("source") || $self.is("video") || $self.is("audio") || $self.is("iframe") || $self.is("script") || $self.is("link")*/) {
if(srcset) $self.attr("srcset", srcset);
$self.attr("src", original);
} else {
$self.css("background-image", "url('" + original + "')");
if(srcset) $self.css("background-image", "-webkit-image-set(" + srcset + ")");
}
$self[settings.effect](settings.effect_speed);
$self.one('load', function() {
$self.removeClass('imgloading');
$self.next('canvas').fadeOut("normal",function(){
$self.next('canvas').remove();
});
});
self.loaded = true;
/* Remove image from array so it is not looped next time. */
var temp = $.grep(elements, function(element) {
return !element.loaded;
});
elements = $(temp);
if (settings.load) {
var elements_left = elements.length;
settings.load.call(self, elements_left, settings);
}
}).attr({srcset:srcset,src:original}).removeClass('imgloading').next('canvas').fadeOut("normal",function(){
$("![]()
").next('canvas').remove();
});
}
});
/* When wanted event is triggered load original image */
/* by triggering appear. */
if (0 !== settings.event.indexOf("scroll")) {
$self.on(settings.event, function() {
if (!self.loaded) {
$self.trigger("appear");
}
});
}
});
/* Check if something appears when window is resized. */
$window.on("resize", function() {
update();
});
/* With IOS5 force loading images when navigating with back button. */
/* Non optimal workaround. */
if ((/(?:iphone|ipod|ipad).*os 5/gi).test(navigator.appVersion)) {
$window.on("pageshow", function(event) {
if (event.originalEvent && event.originalEvent.persisted) {
elements.each(function() {
$(this).trigger("appear");
});
}
});
}
/* Force initial check if images should appear. */
$(document).ready(function() {
update();
});
return this;
};
/* Convenience methods in jQuery namespace. */
/* Use as $.belowthefold(element, {threshold : 100, container : window}) */
$.belowthefold = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = (window.innerHeight ? window.innerHeight : $window.height()) + $window.scrollTop();
} else {
fold = $(settings.container).offset().top + $(settings.container).height();
}
return fold <= $(element).offset().top - settings.threshold;
};
$.rightoffold = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.width() + $window.scrollLeft();
} else {
fold = $(settings.container).offset().left + $(settings.container).width();
}
return fold <= $(element).offset().left - settings.threshold;
};
$.abovethetop = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.scrollTop();
} else {
fold = $(settings.container).offset().top;
}
return fold >= $(element).offset().top + settings.threshold + $(element).height();
};
$.leftofbegin = function(element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.scrollLeft();
} else {
fold = $(settings.container).offset().left;
}
return fold >= $(element).offset().left + settings.threshold + $(element).width();
};
$.inviewport = function(element, settings) {
return !$.rightoffold(element, settings) && !$.leftofbegin(element, settings) &&
!$.belowthefold(element, settings) && !$.abovethetop(element, settings);
};
/* Custom selectors for your convenience. */
/* Use as $("img:below-the-fold").something() or */
/* $("img").filter(":below-the-fold").something() which is faster */
$.extend($.expr[":"], {
"below-the-fold" : function(a) { return $.belowthefold(a, {threshold : 0}); },
"above-the-top" : function(a) { return !$.belowthefold(a, {threshold : 0}); },
"right-of-screen": function(a) { return $.rightoffold(a, {threshold : 0}); },
"left-of-screen" : function(a) { return !$.rightoffold(a, {threshold : 0}); },
"in-viewport" : function(a) { return $.inviewport(a, {threshold : 0}); },
/* Maintain BC for couple of versions. */
"above-the-fold" : function(a) { return !$.belowthefold(a, {threshold : 0}); },
"right-of-fold" : function(a) { return $.rightoffold(a, {threshold : 0}); },
"left-of-fold" : function(a) { return !$.rightoffold(a, {threshold : 0}); }
});
})(jQuery, window, document);
/*
编辑器内容处理功能
*/
$(function(){
// 编辑器响应式表格（需调用tablesaw插件）
var $meteditor_table=$(".met-editor table");
if($meteditor_table.length) $meteditor_table.tablexys();
if(M['device_type']=='m'){
var editorimg_gallery_open=true;
// 编辑器画廊
$(".met-editor").each(function(){
if($("img",this).length && !$(this).hasClass('no-gallery')){
// 图片画廊参数设置
var $self=$(this),
imgsizeset=true;
$("img",this).one('click',function(){
if(imgsizeset){
$self.find('img').each(function(){
var src=$(this).attr('src'),
size='500x500';
if($(this).data('width')){
size=$(this).data('width')+'x'+$(this).data('height');
}else if($(this).attr('width') && $(this).attr('height')){
size=$(this).attr('width')+'x'+$(this).attr('height');
}
if(!($(this).parents('a').length && $(this).parents('a').find('img').length==1)) $(this).wrapAll('');
$(this).parents('.photoswipe-a').attr({href:src,'data-size':size,'data-med':src,'data-med-size':size});
});
imgsizeset=false;
}
if(editorimg_gallery_open){
$.initPhotoSwipeFromDOM('.met-editor');//（需调用PhotoSwipe插件）
editorimg_gallery_open=false;
}
});
}
});
}
});
/**
* marked v0.3.3 - a markdown parser
* Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
* https://github.com/chjj/marked
*/
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Open source online Markdown editor.",tocTitle:"目录",toolbar:{undo:"撤销（Ctrl+Z）",redo:"重做（Ctrl+Y）",bold:"粗体",del:"删除线",italic:"斜体",quote:"引用",ucwords:"将每个单词首字母转成大写",uppercase:"将所选转换成大写",lowercase:"将所选转换成小写",h1:"标题1",h2:"标题2",h3:"标题3",h4:"标题4",h5:"标题5",h6:"标题6","list-ul":"无序列表","list-ol":"有序列表",hr:"横线",link:"链接","reference-link":"引用链接",image:"添加图片",code:"行内代码","preformatted-text":"预格式文本 / 代码块（缩进风格）","code-block":"代码块（多语言风格）",table:"添加表格",datetime:"日期时间",emoji:"Emoji表情","html-entities":"HTML实体字符",pagebreak:"插入分页符","goto-line":"跳转到行",watch:"关闭实时预览",unwatch:"开启实时预览",preview:"全窗口预览HTML（按 Shift + ESC还原）",fullscreen:"全屏（按ESC还原）",clear:"清空",search:"搜索",help:"使用帮助",info:"关于"+t.title},buttons:{enter:"确定",cancel:"取消",close:"关闭"},dialog:{link:{title:"添加链接",url:"链接地址",urlTitle:"链接标题",urlEmpty:"错误：请填写链接地址。"},referenceLink:{title:"添加引用链接",name:"引用名称",url:"链接地址",urlId:"链接ID",urlTitle:"链接标题",nameEmpty:"错误：引用链接的名称不能为空。",idEmpty:"错误：请填写引用链接的ID。",urlEmpty:"错误：请填写引用链接的URL地址。"},image:{title:"添加图片",url:"图片地址",link:"图片链接",alt:"图片描述",uploadButton:"本地上传",imageURLEmpty:"错误：图片地址不能为空。",uploadFileEmpty:"错误：上传的图片不能为空。",formatNotAllowed:"错误：只允许上传图片文件，允许上传的图片文件格式有："},preformattedText:{title:"添加预格式文本或代码块",emptyAlert:"错误：请填写预格式文本或代码的内容。"},codeBlock:{title:"添加代码块",selectLabel:"代码语言：",selectDefaultText:"请选择代码语言",otherLanguage:"其他语言",unselectedLanguageAlert:"错误：请选择代码所属的语言类型。",codeEmptyAlert:"错误：请填写代码内容。"},htmlEntities:{title:"HTML 实体字符"},help:{title:"使用帮助"}}}},t.classNames={tex:t.classPrefix+"tex"},t.dialogZindex=99999,t.$katex=null,t.$marked=null,t.$CodeMirror=null,t.$prettyPrint=null;var i,o;t.prototype=t.fn={state:{watching:!1,loaded:!1,preview:!1,fullscreen:!1},init:function(i,o){o=o||{},"object"==typeof i&&(o=i);var r=this.classPrefix=t.classPrefix,n=this.settings=e.extend(!0,t.defaults,o);i="object"==typeof i?n.id:i;var a=this.editor=e("#"+i);this.id=i,this.lang=n.lang;var s=this.classNames={textarea:{html:r+"html-textarea",markdown:r+"markdown-textarea"}};n.pluginPath=""===n.pluginPath?n.path+"../plugins/":n.pluginPath,this.state.watching=n.watch?!0:!1,a.hasClass("editormd")||a.addClass("editormd"),a.css({width:"number"==typeof n.width?n.width+"px":n.width,height:"number"==typeof n.height?n.height+"px":n.height}),n.autoHeight&&a.css("height","auto");var l=this.markdownTextarea=a.children("textarea");l.length<1&&(a.append(""),l=this.markdownTextarea=a.children("textarea")),l.addClass(s.textarea.markdown).attr("placeholder",n.placeholder),("undefined"==typeof l.attr("name")||""===l.attr("name"))&&l.attr("name",""!==n.name?n.name:i+"-markdown-doc");var c=[n.readOnly?"":'',n.saveHTMLToTextarea?'':"",'
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',
forceProgressiveLoading: false, // TODO
preload: [1,1],
getNumItemsFn: function() {
return _items.length;
}
};
var _getItemAt,
_getNumItems,
_initialIsLoop,
_getZeroBounds = function() {
return {
center:{x:0,y:0},
max:{x:0,y:0},
min:{x:0,y:0}
};
},
_calculateSingleItemPanBounds = function(item, realPanElementW, realPanElementH ) {
var bounds = item.bounds;
// position of element when it's centered
bounds.center.x = Math.round((_tempPanAreaSize.x - realPanElementW) / 2);
bounds.center.y = Math.round((_tempPanAreaSize.y - realPanElementH) / 2) + item.vGap.top;
// maximum pan position
bounds.max.x = (realPanElementW > _tempPanAreaSize.x) ?
Math.round(_tempPanAreaSize.x - realPanElementW) :
bounds.center.x;
bounds.max.y = (realPanElementH > _tempPanAreaSize.y) ?
Math.round(_tempPanAreaSize.y - realPanElementH) + item.vGap.top :
bounds.center.y;
// minimum pan position
bounds.min.x = (realPanElementW > _tempPanAreaSize.x) ? 0 : bounds.center.x;
bounds.min.y = (realPanElementH > _tempPanAreaSize.y) ? item.vGap.top : bounds.center.y;
},
_calculateItemSize = function(item, viewportSize, zoomLevel) {
if (item.src && !item.loadError) {
var isInitial = !zoomLevel;
if(isInitial) {
if(!item.vGap) {
item.vGap = {top:0,bottom:0};
}
// allows overriding vertical margin for individual items
_shout('parseVerticalMargin', item);
}
_tempPanAreaSize.x = viewportSize.x;
_tempPanAreaSize.y = viewportSize.y - item.vGap.top - item.vGap.bottom;
if (isInitial) {
var hRatio = _tempPanAreaSize.x / item.w;
var vRatio = _tempPanAreaSize.y / item.h;
item.fitRatio = hRatio < vRatio ? hRatio : vRatio;
//item.fillRatio = hRatio > vRatio ? hRatio : vRatio;
var scaleMode = _options.scaleMode;
if (scaleMode === 'orig') {
zoomLevel = 1;
} else if (scaleMode === 'fit') {
zoomLevel = item.fitRatio;
}
if (zoomLevel > 1) {
zoomLevel = 1;
}
item.initialZoomLevel = zoomLevel;
if(!item.bounds) {
// reuse bounds object
item.bounds = _getZeroBounds();
}
}
if(!zoomLevel) {
return;
}
_calculateSingleItemPanBounds(item, item.w * zoomLevel, item.h * zoomLevel);
if (isInitial && zoomLevel === item.initialZoomLevel) {
item.initialPosition = item.bounds.center;
}
return item.bounds;
} else {
item.w = item.h = 0;
item.initialZoomLevel = item.fitRatio = 1;
item.bounds = _getZeroBounds();
item.initialPosition = item.bounds.center;
// if it's not image, we return zero bounds (content is not zoomable)
return item.bounds;
}
},
_appendImage = function(index, item, baseDiv, img, preventAnimation, keepPlaceholder) {
if(item.loadError) {
return;
}
if(img) {
item.imageAppended = true;
_setImageSize(item, img, (item === self.currItem && _renderMaxResolution) );
baseDiv.appendChild(img);
if(keepPlaceholder) {
setTimeout(function() {
if(item && item.loaded && item.placeholder) {
item.placeholder.style.display = 'none';
item.placeholder = null;
}
}, 500);
}
}
},
_preloadImage = function(item) {
item.loading = true;
item.loaded = false;
var img = item.img = framework.createEl('pswp__img', 'img');
var onComplete = function() {
item.loading = false;
item.loaded = true;
if(item.loadComplete) {
item.loadComplete(item);
} else {
item.img = null; // no need to store image object
}
img.onload = img.onerror = null;
img = null;
};
img.onload = onComplete;
img.onerror = function() {
item.loadError = true;
onComplete();
};
img.src = item.src;// + '?a=' + Math.random();
return img;
},
_checkForError = function(item, cleanUp) {
if(item.src && item.loadError && item.container) {
if(cleanUp) {
item.container.innerHTML = '';
}
item.container.innerHTML = _options.errorMsg.replace('%url%', item.src );
return true;
}
},
_setImageSize = function(item, img, maxRes) {
if(!item.src) {
return;
}
if(!img) {
img = item.container.lastChild;
}
var w = maxRes ? item.w : Math.round(item.w * item.fitRatio),
h = maxRes ? item.h : Math.round(item.h * item.fitRatio);
if(item.placeholder && !item.loaded) {
item.placeholder.style.width = w + 'px';
item.placeholder.style.height = h + 'px';
}
img.style.width = w + 'px';
img.style.height = h + 'px';
},
_appendImagesPool = function() {
if(_imagesToAppendPool.length) {
var poolItem;
for(var i = 0; i < _imagesToAppendPool.length; i++) {
poolItem = _imagesToAppendPool[i];
if( poolItem.holder.index === poolItem.index ) {
_appendImage(poolItem.index, poolItem.item, poolItem.baseDiv, poolItem.img, false, poolItem.clearPlaceholder);
}
}
_imagesToAppendPool = [];
}
};
_registerModule('Controller', {
publicMethods: {
lazyLoadItem: function(index) {
index = _getLoopedId(index);
var item = _getItemAt(index);
if(!item || ((item.loaded || item.loading) && !_itemsNeedUpdate)) {
return;
}
_shout('gettingData', index, item);
if (!item.src) {
return;
}
_preloadImage(item);
},
initController: function() {
framework.extend(_options, _controllerDefaultOptions, true);
self.items = _items = items;
_getItemAt = self.getItemAt;
_getNumItems = _options.getNumItemsFn; //self.getNumItems;
_initialIsLoop = _options.loop;
if(_getNumItems() < 3) {
_options.loop = false; // disable loop if less then 3 items
}
_listen('beforeChange', function(diff) {
var p = _options.preload,
isNext = diff === null ? true : (diff >= 0),
preloadBefore = Math.min(p[0], _getNumItems() ),
preloadAfter = Math.min(p[1], _getNumItems() ),
i;
for(i = 1; i <= (isNext ? preloadAfter : preloadBefore); i++) {
self.lazyLoadItem(_currentItemIndex+i);
}
for(i = 1; i <= (isNext ? preloadBefore : preloadAfter); i++) {
self.lazyLoadItem(_currentItemIndex-i);
}
});
_listen('initialLayout', function() {
self.currItem.initialLayout = _options.getThumbBoundsFn && _options.getThumbBoundsFn(_currentItemIndex);
});
_listen('mainScrollAnimComplete', _appendImagesPool);
_listen('initialZoomInEnd', _appendImagesPool);
_listen('destroy', function() {
var item;
for(var i = 0; i < _items.length; i++) {
item = _items[i];
// remove reference to DOM elements, for GC
if(item.container) {
item.container = null;
}
if(item.placeholder) {
item.placeholder = null;
}
if(item.img) {
item.img = null;
}
if(item.preloader) {
item.preloader = null;
}
if(item.loadError) {
item.loaded = item.loadError = false;
}
}
_imagesToAppendPool = null;
});
},
getItemAt: function(index) {
if (index >= 0) {
return _items[index] !== undefined ? _items[index] : false;
}
return false;
},
allowProgressiveImg: function() {
// 1. Progressive image loading isn't working on webkit/blink
// when hw-acceleration (e.g. translateZ) is applied to IMG element.
// That's why in PhotoSwipe parent element gets zoom transform, not image itself.
//
// 2. Progressive image loading sometimes blinks in webkit/blink when applying animation to parent element.
// That's why it's disabled on touch devices (mainly because of swipe transition)
//
// 3. Progressive image loading sometimes doesn't work in IE (up to 11).
// Don't allow progressive loading on non-large touch devices
return _options.forceProgressiveLoading || !_likelyTouchDevice || _options.mouseUsed || screen.width > 1200;
// 1200 - to eliminate touch devices with large screen (like Chromebook Pixel)
},
setContent: function(holder, index) {
if(_options.loop) {
index = _getLoopedId(index);
}
var prevItem = self.getItemAt(holder.index);
if(prevItem) {
prevItem.container = null;
}
var item = self.getItemAt(index),
img;
if(!item) {
holder.el.innerHTML = '';
return;
}
// allow to override data
_shout('gettingData', index, item);
holder.index = index;
holder.item = item;
// base container DIV is created only once for each of 3 holders
var baseDiv = item.container = framework.createEl('pswp__zoom-wrap');
if(!item.src && item.html) {
if(item.html.tagName) {
baseDiv.appendChild(item.html);
} else {
baseDiv.innerHTML = item.html;
}
}
_checkForError(item);
_calculateItemSize(item, _viewportSize);
if(item.src && !item.loadError && !item.loaded) {
item.loadComplete = function(item) {
// gallery closed before image finished loading
if(!_isOpen) {
return;
}
// check if holder hasn't changed while image was loading
if(holder && holder.index === index ) {
if( _checkForError(item, true) ) {
item.loadComplete = item.img = null;
_calculateItemSize(item, _viewportSize);
_applyZoomPanToItem(item);
if(holder.index === _currentItemIndex) {
// recalculate dimensions
self.updateCurrZoomItem();
}
return;
}
if( !item.imageAppended ) {
if(_features.transform && (_mainScrollAnimating || _initialZoomRunning) ) {
_imagesToAppendPool.push({
item:item,
baseDiv:baseDiv,
img:item.img,
index:index,
holder:holder,
clearPlaceholder:true
});
} else {
_appendImage(index, item, baseDiv, item.img, _mainScrollAnimating || _initialZoomRunning, true);
}
} else {
// remove preloader & mini-img
if(!_initialZoomRunning && item.placeholder) {
item.placeholder.style.display = 'none';
item.placeholder = null;
}
}
}
item.loadComplete = null;
item.img = null; // no need to store image element after it's added
_shout('imageLoadComplete', index, item);
};
if(framework.features.transform) {
var placeholderClassName = 'pswp__img pswp__img--placeholder';
placeholderClassName += (item.msrc ? '' : ' pswp__img--placeholder--blank');
var placeholder = framework.createEl(placeholderClassName, item.msrc ? 'img' : '');
if(item.src) {
placeholder.src = item.src;
placeholder.style.display='none';
}
_setImageSize(item, placeholder);
baseDiv.appendChild(placeholder);
setTimeout(function(){
$('.pswp__img--placeholder').fadeIn();
},100)
item.placeholder = placeholder;
}
if(!item.loading) {
_preloadImage(item);
}
if( self.allowProgressiveImg() ) {
// just append image
if(!_initialContentSet && _features.transform) {
_imagesToAppendPool.push({
item:item,
baseDiv:baseDiv,
img:item.img,
index:index,
holder:holder
});
} else {
_appendImage(index, item, baseDiv, item.img, true, true);
}
}
} else if(item.src && !item.loadError) {
// image object is created every time, due to bugs of image loading & delay when switching images
img = framework.createEl('pswp__img', 'img');
img.style.opacity = 1;
img.src = item.src;
_setImageSize(item, img);
_appendImage(index, item, baseDiv, img, true);
}
if(!_initialContentSet && index === _currentItemIndex) {
_currZoomElementStyle = baseDiv.style;
_showOrHide(item, (img ||item.img) );
} else {
_applyZoomPanToItem(item);
}
holder.el.innerHTML = '';
holder.el.appendChild(baseDiv);
},
cleanSlide: function( item ) {
if(item.img ) {
item.img.onload = item.img.onerror = null;
}
item.loaded = item.loading = item.img = item.imageAppended = false;
}
}
});
/*>>items-controller*/
/*>>tap*/
/**
* tap.js:
*
* Displatches tap and double-tap events.
*
*/
var tapTimer,
tapReleasePoint = {},
_dispatchTapEvent = function(origEvent, releasePoint, pointerType) {
var e = document.createEvent( 'CustomEvent' ),
eDetail = {
origEvent:origEvent,
target:origEvent.target,
releasePoint: releasePoint,
pointerType:pointerType || 'touch'
};
e.initCustomEvent( 'pswpTap', true, true, eDetail );
origEvent.target.dispatchEvent(e);
};
_registerModule('Tap', {
publicMethods: {
initTap: function() {
_listen('firstTouchStart', self.onTapStart);
_listen('touchRelease', self.onTapRelease);
_listen('destroy', function() {
tapReleasePoint = {};
tapTimer = null;
});
},
onTapStart: function(touchList) {
if(touchList.length > 1) {
clearTimeout(tapTimer);
tapTimer = null;
}
},
onTapRelease: function(e, releasePoint) {
if(!releasePoint) {
return;
}
if(!_moved && !_isMultitouch && !_numAnimations) {
var p0 = releasePoint;
if(tapTimer) {
clearTimeout(tapTimer);
tapTimer = null;
// Check if taped on the same place
if ( _isNearbyPoints(p0, tapReleasePoint) ) {
_shout('doubleTap', p0);
return;
}
}
if(releasePoint.type === 'mouse') {
_dispatchTapEvent(e, releasePoint, 'mouse');
return;
}
var clickedTagName = e.target.tagName.toUpperCase();
// avoid double tap delay on buttons and elements that have class pswp__single-tap
if(clickedTagName === 'BUTTON' || framework.hasClass(e.target, 'pswp__single-tap') ) {
_dispatchTapEvent(e, releasePoint);
return;
}
_equalizePoints(tapReleasePoint, p0);
tapTimer = setTimeout(function() {
_dispatchTapEvent(e, releasePoint);
tapTimer = null;
}, 300);
}
}
}
});
/*>>tap*/
/*>>desktop-zoom*/
/**
*
* desktop-zoom.js:
*
* - Binds mousewheel event for paning zoomed image.
* - Manages "dragging", "zoomed-in", "zoom-out" classes.
* (which are used for cursors and zoom icon)
* - Adds toggleDesktopZoom function.
*
*/
var _wheelDelta;
_registerModule('DesktopZoom', {
publicMethods: {
initDesktopZoom: function() {
if(_oldIE) {
// no zoom for old IE (<=8)
return;
}
if(_likelyTouchDevice) {
// if detected hardware touch support, we wait until mouse is used,
// and only then apply desktop-zoom features
_listen('mouseUsed', function() {
self.setupDesktopZoom();
});
} else {
self.setupDesktopZoom(true);
}
},
setupDesktopZoom: function(onInit) {
_wheelDelta = {};
var events = 'wheel mousewheel DOMMouseScroll';
_listen('bindEvents', function() {
framework.bind(template, events, self.handleMouseWheel);
});
_listen('unbindEvents', function() {
if(_wheelDelta) {
framework.unbind(template, events, self.handleMouseWheel);
}
});
self.mouseZoomedIn = false;
var hasDraggingClass,
updateZoomable = function() {
if(self.mouseZoomedIn) {
framework.removeClass(template, 'pswp--zoomed-in');
self.mouseZoomedIn = false;
}
// if(_currZoomLevel < 1) {
framework.addClass(template, 'pswp--zoom-allowed');
// } else {
// framework.removeClass(template, 'pswp--zoom-allowed');
// }
removeDraggingClass();
},
removeDraggingClass = function() {
if(hasDraggingClass) {
framework.removeClass(template, 'pswp--dragging');
hasDraggingClass = false;
}
};
_listen('resize' , updateZoomable);
_listen('afterChange' , updateZoomable);
_listen('pointerDown', function() {
if(self.mouseZoomedIn) {
hasDraggingClass = true;
framework.addClass(template, 'pswp--dragging');
}
});
_listen('pointerUp', removeDraggingClass);
if(!onInit) {
updateZoomable();
}
},
handleMouseWheel: function(e) {
if(_currZoomLevel <= self.currItem.fitRatio) {
if( _options.modal ) {
if (!_options.closeOnScroll || _numAnimations || _isDragging) {
e.preventDefault();
} else if(_transformKey && Math.abs(e.deltaY) > 2) {
// close PhotoSwipe
// if browser supports transforms & scroll changed enough
_closedByScroll = true;
self.close();
}
}
return true;
}
// allow just one event to fire
e.stopPropagation();
// https://developer.mozilla.org/en-US/docs/Web/Events/wheel
_wheelDelta.x = 0;
if('deltaX' in e) {
if(e.deltaMode === 1 /* DOM_DELTA_LINE */) {
// 18 - average line height
_wheelDelta.x = e.deltaX * 18;
_wheelDelta.y = e.deltaY * 18;
} else {
_wheelDelta.x = e.deltaX;
_wheelDelta.y = e.deltaY;
}
} else if('wheelDelta' in e) {
if(e.wheelDeltaX) {
_wheelDelta.x = -0.16 * e.wheelDeltaX;
}
if(e.wheelDeltaY) {
_wheelDelta.y = -0.16 * e.wheelDeltaY;
} else {
_wheelDelta.y = -0.16 * e.wheelDelta;
}
} else if('detail' in e) {
_wheelDelta.y = e.detail;
} else {
return;
}
_calculatePanBounds(_currZoomLevel, true);
var newPanX = _panOffset.x - _wheelDelta.x,
newPanY = _panOffset.y - _wheelDelta.y;
// only prevent scrolling in nonmodal mode when not at edges
if (_options.modal ||
(
newPanX <= _currPanBounds.min.x && newPanX >= _currPanBounds.max.x &&
newPanY <= _currPanBounds.min.y && newPanY >= _currPanBounds.max.y
) ) {
e.preventDefault();
}
// TODO: use rAF instead of mousewheel?
self.panTo(newPanX, newPanY);
},
toggleDesktopZoom: function(centerPoint) {
centerPoint = centerPoint || {x:_viewportSize.x/2 + _offset.x, y:_viewportSize.y/2 + _offset.y };
var doubleTapZoomLevel = _options.getDoubleTapZoom(true, self.currItem);
var zoomOut = _currZoomLevel === doubleTapZoomLevel;
self.mouseZoomedIn = !zoomOut;
self.zoomTo(zoomOut ? self.currItem.initialZoomLevel : doubleTapZoomLevel, centerPoint, 333);
framework[ (!zoomOut ? 'add' : 'remove') + 'Class'](template, 'pswp--zoomed-in');
}
}
});
/*>>desktop-zoom*/
/*>>history*/
/**
*
* history.js:
*
* - Back button to close gallery.
*
* - Unique URL for each slide: example.com/&pid=1&gid=3
* (where PID is picture index, and GID and gallery index)
*
* - Switch URL when slides change.
*
*/
var _historyDefaultOptions = {
history: true,
galleryUID: 1
};
var _historyUpdateTimeout,
_hashChangeTimeout,
_hashAnimCheckTimeout,
_hashChangedByScript,
_hashChangedByHistory,
_hashReseted,
_initialHash,
_historyChanged,
_closedFromURL,
_urlChangedOnce,
_windowLoc,
_supportsPushState,
_getHash = function() {
return _windowLoc.hash.substring(1);
},
_cleanHistoryTimeouts = function() {
if(_historyUpdateTimeout) {
clearTimeout(_historyUpdateTimeout);
}
if(_hashAnimCheckTimeout) {
clearTimeout(_hashAnimCheckTimeout);
}
},
// pid - Picture index
// gid - Gallery index
_parseItemIndexFromURL = function() {
var hash = _getHash(),
params = {};
if(hash.length < 5) { // pid=1
return params;
}
var i, vars = hash.split('&');
for (i = 0; i < vars.length; i++) {
if(!vars[i]) {
continue;
}
var pair = vars[i].split('=');
if(pair.length < 2) {
continue;
}
params[pair[0]] = pair[1];
}
if(_options.galleryPIDs) {
// detect custom pid in hash and search for it among the items collection
var searchfor = params.pid;
params.pid = 0; // if custom pid cannot be found, fallback to the first item
for(i = 0; i < _items.length; i++) {
if(_items[i].pid === searchfor) {
params.pid = i;
break;
}
}
} else {
params.pid = parseInt(params.pid,10)-1;
}
if( params.pid < 0 ) {
params.pid = 0;
}
return params;
},
_updateHash = function() {
if(_hashAnimCheckTimeout) {
clearTimeout(_hashAnimCheckTimeout);
}
if(_numAnimations || _isDragging) {
// changing browser URL forces layout/paint in some browsers, which causes noticable lag during animation
// that's why we update hash only when no animations running
_hashAnimCheckTimeout = setTimeout(_updateHash, 500);
return;
}
if(_hashChangedByScript) {
clearTimeout(_hashChangeTimeout);
} else {
_hashChangedByScript = true;
}
var pid = (_currentItemIndex + 1);
var item = _getItemAt( _currentItemIndex );
if(item.hasOwnProperty('pid')) {
// carry forward any custom pid assigned to the item
pid = item.pid;
}
var newHash = _initialHash + '&' + 'gid=' + _options.galleryUID + '&' + 'pid=' + pid;
if(!_historyChanged) {
if(_windowLoc.hash.indexOf(newHash) === -1) {
_urlChangedOnce = true;
}
// first time - add new hisory record, then just replace
}
var newURL = _windowLoc.href.split('#')[0] + '#' + newHash;
if( _supportsPushState ) {
if('#' + newHash !== window.location.hash) {
history[_historyChanged ? 'replaceState' : 'pushState']('', document.title, newURL);
}
} else {
if(_historyChanged) {
_windowLoc.replace( newURL );
} else {
_windowLoc.hash = newHash;
}
}
_historyChanged = true;
_hashChangeTimeout = setTimeout(function() {
_hashChangedByScript = false;
}, 60);
};
_registerModule('History', {
publicMethods: {
initHistory: function() {
framework.extend(_options, _historyDefaultOptions, true);
if( !_options.history ) {
return;
}
_windowLoc = window.location;
_urlChangedOnce = false;
_closedFromURL = false;
_historyChanged = false;
_initialHash = _getHash();
_supportsPushState = ('pushState' in history);
if(_initialHash.indexOf('gid=') > -1) {
_initialHash = _initialHash.split('&gid=')[0];
_initialHash = _initialHash.split('?gid=')[0];
}
_listen('afterChange', self.updateURL);
_listen('unbindEvents', function() {
framework.unbind(window, 'hashchange', self.onHashChange);
});
var returnToOriginal = function() {
_hashReseted = true;
if(!_closedFromURL) {
if(_urlChangedOnce) {
history.back();
} else {
if(_initialHash) {
_windowLoc.hash = _initialHash;
} else {
if (_supportsPushState) {
// remove hash from url without refreshing it or scrolling to top
history.pushState('', document.title, _windowLoc.pathname + _windowLoc.search );
} else {
_windowLoc.hash = '';
}
}
}
}
_cleanHistoryTimeouts();
};
_listen('unbindEvents', function() {
if(_closedByScroll) {
// if PhotoSwipe is closed by scroll, we go "back" before the closing animation starts
// this is done to keep the scroll position
returnToOriginal();
}
});
_listen('destroy', function() {
if(!_hashReseted) {
returnToOriginal();
}
});
_listen('firstUpdate', function() {
_currentItemIndex = _parseItemIndexFromURL().pid;
});
var index = _initialHash.indexOf('pid=');
if(index > -1) {
_initialHash = _initialHash.substring(0, index);
if(_initialHash.slice(-1) === '&') {
_initialHash = _initialHash.slice(0, -1);
}
}
setTimeout(function() {
if(_isOpen) { // hasn't destroyed yet
framework.bind(window, 'hashchange', self.onHashChange);
}
}, 40);
},
onHashChange: function() {
if(_getHash() === _initialHash) {
_closedFromURL = true;
self.close();
return;
}
if(!_hashChangedByScript) {
_hashChangedByHistory = true;
self.goTo( _parseItemIndexFromURL().pid );
_hashChangedByHistory = false;
}
},
updateURL: function() {
// Delay the update of URL, to avoid lag during transition,
// and to not to trigger actions like "refresh page sound" or "blinking favicon" to often
_cleanHistoryTimeouts();
if(_hashChangedByHistory) {
return;
}
if(!_historyChanged) {
_updateHash(); // first time
} else {
_historyUpdateTimeout = setTimeout(_updateHash, 50);
}
}
}
});
/*>>history*/
framework.extend(self, publicMethods); };
return PhotoSwipe;
});
/*! PhotoSwipe Default UI - 4.1.0 - 2015-09-04
* http://photoswipe.com
* Copyright (c) 2015 Dmitry Semenov; */
!function(a,b){"function"==typeof define&&define.amd?define(b):"object"==typeof exports?module.exports=b():a.PhotoSwipeUI_Default=b()}(this,function(){"use strict";var a=function(a,b){var c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v=this,w=!1,x=!0,y=!0,z={barsSize:{top:44,bottom:"auto"},closeElClasses:["item","caption","zoom-wrap","ui","top-bar"],timeToIdle:4e3,timeToIdleOutside:1e3,loadingIndicatorDelay:1e3,addCaptionHTMLFn:function(a,b){return a.title?(b.children[0].innerHTML=a.title,!0):(b.children[0].innerHTML="",!1)},closeEl:!0,captionEl:!0,fullscreenEl:!0,zoomEl:!0,shareEl:!0,counterEl:!0,arrowEl:!0,preloaderEl:!0,tapToClose:!1,tapToToggleControls:!0,clickToCloseNonZoomable:!0,shareButtons:[{id:"facebook",label:"Share on Facebook",url:"https://www.facebook.com/sharer/sharer.php?u={{url}}"},{id:"twitter",label:"Tweet",url:"https://twitter.com/intent/tweet?text={{text}}&url={{url}}"},{id:"pinterest",label:"Pin it",url:"http://www.pinterest.com/pin/create/button/?url={{url}}&media={{image_url}}&description={{text}}"},{id:"download",label:"Download image",url:"{{raw_image_url}}",download:!0}],getImageURLForShare:function(){return a.currItem.src||""},getPageURLForShare:function(){return window.location.href},getTextForShare:function(){return a.currItem.title||""},indexIndicatorSep:" / "},A=function(a){if(r)return!0;a=a||window.event,q.timeToIdle&&q.mouseUsed&&!k&&K();for(var c,d,e=a.target||a.srcElement,f=e.className,g=0;gPhoto: ' + item.author + ''*/; return true; }, closeOnScroll:false, tapToClose:true, tapToToggleControls:false, fullscreenEl:false, // captionEl:false, shareEl:false, errorMsg:'
图片 加载失败
'
};
if (fromURL) {
if (options.galleryPIDs) {
// parse real index when custom PIDs are used
// http://photoswipe.com/documentation/faq.html#custom-pid-in-url
for (var j = 0; j < items.length; j++) {
if (items[j].pid == index) {
options.index = j;
break;
}
}
} else {
options.index = parseInt(index, 10) - 1;
}
} else {
options.index = parseInt(index, 10);
}
// exit if index not found
if (isNaN(options.index)) {
return;
}
if (disableAnimation) {
options.showAnimationDuration = 0;
}
// Pass data to PhotoSwipe and initialize it
gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, items, options);
// see: http://photoswipe.com/documentation/responsive-images.html
var realViewportWidth,
useLargeImages = false,
firstResize = true,
imageSrcWillChange;
gallery.listen('beforeResize', function() {
var dpiRatio = window.devicePixelRatio ? window.devicePixelRatio : 1;
dpiRatio = Math.min(dpiRatio, 2.5);
realViewportWidth = gallery.viewportSize.x * dpiRatio;
if (realViewportWidth >= 1200 || (!gallery.likelyTouchDevice && realViewportWidth > 800) || screen.width > 1200) {
if (!useLargeImages) {
useLargeImages = true;
imageSrcWillChange = true;
}
} else {
if (useLargeImages) {
useLargeImages = false;
imageSrcWillChange = true;
}
}
if (imageSrcWillChange && !firstResize) {
gallery.invalidateCurrItems();
}
if (firstResize) {
firstResize = false;
}
imageSrcWillChange = false;
});
gallery.listen('gettingData', function(index, item) {
if (useLargeImages) {
item.src = item.o.src;
item.w = item.o.w;
item.h = item.o.h;
} else {
item.src = item.m.src;
item.w = item.m.w;
item.h = item.m.h;
}
});
gallery.init();
};
// select all gallery elements
// var galleryElements = document.querySelectorAll(gallerySelector),
var galleryElements = $(gallerySelector),
medDom=medDom||'[data-med]';
$(gallerySelector).each(function(index, el) {
$(this).attr({'data-pswp-uid':index + 1}).click(function(e) {
onThumbnailsClick(e,this);
});
});
// Parse URL and open gallery if it contains #&pid=3&gid=1
var hashData = photoswipeParseHash();
if (hashData.pid && hashData.gid) {
// openPhotoSwipe(hashData.pid, galleryElements[hashData.gid - 1], true, true);
openPhotoSwipe(hashData.pid, galleryElements.eq(hashData.gid - 1), true, true);
}
};
if(location.hash.indexOf('#&gid=')>=0 && location.hash.indexOf('&pid=')>=0) window.history.back();
/*!
* Lazy Load - jQuery plugin for lazy loading images
*
* Copyright (c) 2007-2015 Mika Tuupola
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
* Project home:
* http://www.appelsiini.net/projects/lazyload
*
* Version: 1.9.7
*
*/
(function($, window, document, undefined) {
var $window = $(window),
canvasPosition=function(from_dom,to_dom){ // canvas设置
var top=from_dom.position().top,
left=from_dom.position().left,
width=from_dom.width(),
height=from_dom.height();
to_dom.css({top:top,left:left}).width(width).height(height);
},
canvasControl=function(dom,canvas_id){
$.stackBlurImage(dom, canvas_id, 10, false);
if(dom.is(':visible')) canvasPosition(dom,$('#'+canvas_id));
$(window).resize(function() {
if(dom.is(":visible")) canvasPosition(dom,$('#'+canvas_id));
});
$('#'+canvas_id).attr({'data-load':true});
},
thumbdir=M['weburl']+'include/thumb.php?dir=',
placeholder_base64='data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC';
$.fn.lazyload = function(options) {
var elements = this;
var $container;
var settings = {
threshold : 30,
failure_limit : 1000,
event : "scroll",
effect : "fadeIn",
effect_speed : null,
container : window,
data_attribute : "original",
data_srcset : 'srcset',
skip_invisible : true,
appear : null,
load : null,
placeholder : met_lazyloadbg,// 'base64',met_lazyloadbg,'blur'
};
function update() {
var counter = 0;
elements.each(function() {
var $this = $(this),
$this_canvas=$this.next('canvas');
if (settings.skip_invisible && !$this.is(":visible")) {
return;
}
if($this_canvas.length && !$this_canvas.attr('data-load') && $.stackBlurImage) canvasControl($this,$this_canvas.attr('id'));
if ($.abovethetop(this, settings) ||
$.leftofbegin(this, settings)) {
/* Nothing. */
} else if (!$.belowthefold(this, settings) &&
!$.rightoffold(this, settings)) {
$this.trigger("appear");
/* if we found an image we'll load, reset the counter */
counter = 0;
} else {
if (++counter > settings.failure_limit) {
return false;
}
}
});
}
if(options) {
/* Maintain BC for a couple of versions. */
if (undefined !== options.failurelimit) {
options.failure_limit = options.failurelimit;
delete options.failurelimit;
}
if (undefined !== options.effectspeed) {
options.effect_speed = options.effectspeed;
delete options.effectspeed;
}
$.extend(settings, options);
}
/* Cache container as jQuery as object. */
$container = (settings.container === undefined ||
settings.container === window) ? $window : $(settings.container);
/* Fire one scroll event per scroll. Not one scroll event per image. */
if (0 === settings.event.indexOf("scroll")) {
$container.on(settings.event, function() {
return update();
});
}
if(settings.placeholder=='base64') settings.placeholder=placeholder_base64;
this.attr({'data-lazyload':true});
this.each(function(index) {
var self = this,
$self = $(self),
original = $self.attr("data-" + settings.data_attribute),
placeholder=settings.placeholder,
placeholder_ok=placeholder!=placeholder_base64?true:false;
self.loaded = false;
/* If no src attribute given use data:uri. */
if ($self.is("img") && original && (!$self.attr("src") || $self.attr("src")!=original)) {
if(placeholder=='blur' && $.stackBlurImage){
// 图片高斯模糊加载小图
if(!$self.attr('data-minimg')){
// 设置小图路径
var thumb=original.replace(M['weburl'],M['weburl']),
original_array=thumb.split('&');
if(thumb.indexOf('http')<0 || (thumb.indexOf('http')>=0 && thumb.indexOf(M['weburl'])>=0)){
if(original.indexOf('include/thumb.php?dir=')>-1){
var data_minimg=original_array[0]+'&x=50';
}else{
var data_minimg=thumbdir+thumb+'&x=50';
}
if(original_array && original_array.length==3){
scale_x=original_array[1].substring(2);
scale_y=original_array[2].substring(2);
scale=scale_y/scale_x;
minimg_h=Math.round(50*scale);
data_minimg+='&y='+minimg_h;
}
$(this).attr({src:data_minimg,'data-minimg':true});
// 高斯模糊小图
var img=new Image();
img.src=$self.attr("src");
img.onload=function(){
setTimeout(function(){
var $self_canvas=$self.next('canvas');
if($self.attr('src')!=original && !$self_canvas.length){
var canvas_id="imgcanvas"+index;
$self.wrapAll('').after('');
if(!settings.skip_invisible || $self.is(":visible")) canvasControl($self,canvas_id);
}else if($self_canvas.length){
canvasPosition($self,$self_canvas);
}
},30)
}
}
}
}else{
if(placeholder=='blur') placeholder=met_lazyloadbg;
$self.attr("src", placeholder);
if(placeholder_ok && !$self.hasClass('imgloading')) $self.addClass('imgloading');
}
}
/* When appear is triggered load original image. */
$self.one("appear", function() {
if (!this.loaded) {
if (settings.appear) {
var elements_left = elements.length;
settings.appear.call(self, elements_left, settings);
}
var srcset = $self.attr("data-" + settings.data_srcset);
$(""+(escaped?code:escape(code,true))+"\n'+(escaped?code:escape(code,true))+"\n\n"+quote+"\n"};Renderer.prototype.html=function(html){return html};Renderer.prototype.heading=function(text,level,raw){return"
\n":"
\n"};Renderer.prototype.list=function(body,ordered){var type=ordered?"ol":"ul";return"<"+type+">\n"+body+"\n"};Renderer.prototype.listitem=function(text){return"
"+text+"
\n"};Renderer.prototype.table=function(header,body){return""+text+""};Renderer.prototype.br=function(){return this.options.xhtml?"":"
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// Store the line height and page height for this particular element
$.data(this, 'mousewheel-line-height', special.getLineHeight(this));
$.data(this, 'mousewheel-page-height', special.getPageHeight(this));
},
teardown: function() {
if ( this.removeEventListener ) {
for ( var i = toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = null;
}
},
getLineHeight: function(elem) {
return parseInt($(elem)['offsetParent' in $.fn ? 'offsetParent' : 'parent']().css('fontSize'), 10);
},
getPageHeight: function(elem) {
return $(elem).height();
},
settings: {
adjustOldDeltas: true
}
};
$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind('mousewheel', fn) : this.trigger('mousewheel');
},
unmousewheel: function(fn) {
return this.unbind('mousewheel', fn);
}
});
function handler(event) {
var orgEvent = event || window.event,
args = slice.call(arguments, 1),
delta = 0,
deltaX = 0,
deltaY = 0,
absDelta = 0;
event = $.event.fix(orgEvent);
event.type = 'mousewheel';
// Old school scrollwheel delta
if ( 'detail' in orgEvent ) { deltaY = orgEvent.detail * -1; }
if ( 'wheelDelta' in orgEvent ) { deltaY = orgEvent.wheelDelta; }
if ( 'wheelDeltaY' in orgEvent ) { deltaY = orgEvent.wheelDeltaY; }
if ( 'wheelDeltaX' in orgEvent ) { deltaX = orgEvent.wheelDeltaX * -1; }
// Firefox < 17 horizontal scrolling related to DOMMouseScroll event
if ( 'axis' in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
deltaX = deltaY * -1;
deltaY = 0;
}
// Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy
delta = deltaY === 0 ? deltaX : deltaY;
// New school wheel delta (wheel event)
if ( 'deltaY' in orgEvent ) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ( 'deltaX' in orgEvent ) {
deltaX = orgEvent.deltaX;
if ( deltaY === 0 ) { delta = deltaX * -1; }
}
// No change actually happened, no reason to go any further
if ( deltaY === 0 && deltaX === 0 ) { return; }
// Need to convert lines and pages to pixels if we aren't already in pixels
// There are three delta modes:
// * deltaMode 0 is by pixels, nothing to do
// * deltaMode 1 is by lines
// * deltaMode 2 is by pages
if ( orgEvent.deltaMode === 1 ) {
var lineHeight = $.data(this, 'mousewheel-line-height');
delta *= lineHeight;
deltaY *= lineHeight;
deltaX *= lineHeight;
} else if ( orgEvent.deltaMode === 2 ) {
var pageHeight = $.data(this, 'mousewheel-page-height');
delta *= pageHeight;
deltaY *= pageHeight;
deltaX *= pageHeight;
}
// Store lowest absolute delta to normalize the delta values
absDelta = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
if ( !lowestDelta || absDelta < lowestDelta ) {
lowestDelta = absDelta;
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
lowestDelta /= 40;
}
}
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
// Divide all the things by 40!
delta /= 40;
deltaX /= 40;
deltaY /= 40;
}
// Get a whole, normalized value for the deltas
delta = Math[ delta >= 1 ? 'floor' : 'ceil' ](delta / lowestDelta);
deltaX = Math[ deltaX >= 1 ? 'floor' : 'ceil' ](deltaX / lowestDelta);
deltaY = Math[ deltaY >= 1 ? 'floor' : 'ceil' ](deltaY / lowestDelta);
// Add information to the event object
event.deltaX = deltaX;
event.deltaY = deltaY;
event.deltaFactor = lowestDelta;
// Go ahead and set deltaMode to 0 since we converted to pixels
// Although this is a little odd since we overwrite the deltaX/Y
// properties with normalized deltas.
event.deltaMode = 0;
// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);
// Clearout lowestDelta after sometime to better
// handle multiple device types that give different
// a different lowestDelta
// Ex: trackpad = 3 and mouse wheel = 120
if (nullLowestDeltaTimeout) { clearTimeout(nullLowestDeltaTimeout); }
nullLowestDeltaTimeout = setTimeout(nullLowestDelta, 200);
return ($.event.dispatch || $.event.handle).apply(this, args);
}
function nullLowestDelta() {
lowestDelta = null;
}
function shouldAdjustOldDeltas(orgEvent, absDelta) {
// If this is an older event and the delta is divisable by 120,
// then we are assuming that the browser is treating this as an
// older mouse wheel event and that we should divide the deltas
// by 40 to try and get a more usable deltaFactor.
// Side note, this actually impacts the reported scroll distance
// in older browsers and can cause scrolling to be slower than native.
// Turn this off by setting $.event.special.mousewheel.settings.adjustOldDeltas to false.
return special.settings.adjustOldDeltas && orgEvent.type === 'mousewheel' && absDelta % 120 === 0;
}
}));
/*!
* M['weburl'] 网站网址
* M['lang'] 网站语言
* M['tem'] 模板目录路径
* M['classnow'] 当前栏目ID
* M['id'] 当前页面ID
* M['module'] 当前页面所属模块
* default_placeholder 开发者自定义默认图片延迟加载方式，'base64'：灰色背景；自定义背景图片路径；'blur'：图片高斯模糊；默认为'blur'
* met_prevarrow,met_nextarrow slick插件翻页按钮自定义html
* device_type 客户端判断（d：PC端，t：平板端，m：手机端）
*/
METUI_FUN['head_nav_met_16_1'] = {
name:'head_nav_met_16_1',
init: function() {
var wh=$(window).height(),
$metnav_fixed=$(".met-head.navbar-fixed-top head_nav_met_16_1"),
$metnav_lang=METUI['head_nav_met_16_1'].find('.met-langlist'),
$metnav_member=METUI['head_nav_met_16_1'].find('.navbar-toggler'),
$met_navlist=METUI['head_nav_met_16_1'].find('.navlist');
// 头部固定模式
if($metnav_fixed.length){
// 头部阴影
var metnavShadow=function(){
if($metnav_fixed.offset().top>1){
$metnav_fixed.addClass("navbar-shadow");
}else{
$metnav_fixed.removeClass("navbar-shadow");
}
};
metnavShadow();
$(window).scroll(function(){
metnavShadow();
});
// 导航下拉菜单手机端最大高度
$metnav_fixed.find('.navbar-collapse').css({'max-height':wh-$metnav_fixed.height()});
if(device_type!='m'){
// 下拉菜单二级栏目过多时三级栏目展示在二级栏目下面
var $met_navlist_dropdown=$met_navlist.find('.dropdown'),
dropdownMaxh=function(dom){
if(!dom.hasClass('oya')){
setTimeout(function(){
var mh=wh-dom.position().top;
if(dom.outerHeight()>mh) dom.outerHeight(mh).addClass('oya scrollbar-beautify').find('.dropdown-menu').addClass('block box-shadow-none').prev('.dropdown-item').addClass('dropdown-a');
},0)
}
};
//鼠标经过展开下拉菜单
$met_navlist_dropdown.find('>.dropdown-toggle[data-hover]').parent('.dropdown').mouseover(function() {
dropdownMaxh($('>.dropdown-menu',this));
});
// 鼠标点击展开下拉菜单
$met_navlist_dropdown.find('>.dropdown-toggle:not([data-hover])').one('click',function() {
dropdownMaxh($(this).next('.dropdown-menu'));
});
}
// 下拉菜单背景遮罩
$metnav_fixed.find('.navbar-toggler').click(function() {
if(!$('.met-mask').length) $('body').append('');
if($($(this).data('target')).is(':visible')){
$('body').removeClass('cover');
$('.met-mask').fadeOut();
}else if(!$('body').hasClass('cover')){
$('body').addClass('cover');
$('.met-mask').fadeIn();
}
});
$(document).on('click','.met-mask',function() {
$('body').removeClass('cover');
$('.met-mask').fadeOut();
$metnav_fixed.find('.navbar-collapse').collapse('hide');
});
}
if($met_navlist.length){
// 导航点击跳转处理
$met_navlist.find('.nav-link').click(function(){
if(device_type=='d' && !Breakpoints.is('xs') && $(this).data("hover")){
if($(this).attr('target')=='_blank'){
window.open($(this).attr('href'));
}else{
location=$(this).attr('href');
}
}
});
// 导航下拉菜单三级栏目展开处理
if(device_type=='d'){
if($met_navlist.find('.dropdown-submenu').length){
$met_navlist.find('.dropdown-submenu').hover(function(){
$(this).parent('.dropdown-menu').addClass('overflow-visible');
},function(){
$(this).parent('.dropdown-menu').removeClass('overflow-visible');
});
}
}else{
if($met_navlist.find('.dropdown-submenu').length){
setTimeout(function(){
$met_navlist.find('.dropdown-submenu .dropdown-menu').addClass('block box-shadow-none').prev('.dropdown-item').addClass('dropdown-a');
},0)
}
}
// 导航顶级栏目过多时换行处理
var met_navlist_position=function(){
if(!Breakpoints.is('xs') && $met_navlist.position().top>20){
$met_navlist.addClass('flex').parent().addClass('flex-navlist');
if($('body').hasClass('met-navfixed')) $('body').addClass('met-navfixed-navclamp');
}else{
$met_navlist.removeClass('flex').parent().removeClass('flex-navlist');
if($('body').hasClass('met-navfixed')) $('body').removeClass('met-navfixed-navclamp');
}
};
met_navlist_position();
$(window).resize(function(){
met_navlist_position();
});
}
// 手机端头部会员中心与导航下拉菜单切换
$metnav_member.click(function() {
$(this).toggleClass('active');
$(this).siblings('.navbar-toggler').removeClass('active');
var $other_collapse=$($(this).siblings('.navbar-toggler').data('target'));
if($other_collapse.hasClass('in')) $other_collapse.collapse('hide');
});
// 头部语言栏
if($metnav_lang.length){
// 语言栏弹窗模式处理
$(document).on('show.bs.modal', '#met-langlist-modal', function(event) {
$('.met-nav').addClass('header-zindex');
});
$(document).on('hidden.bs.modal', '#met-langlist-modal', function(event) {
$('.met-nav').removeClass('header-zindex');
});
}
// 处理导航过长
if($('.two-menu').length){
$('.two-menu').mousewheel(function(event,delta,deltaX,deltaY){
var dY=Math.ceil( $(this).position().top-deltaY*-120 );
if(dY>0) dY=0;
console.log(dY);
$(this).css({'transform':'translateY('+dY+'px)','transition':'0s'});
event.stopPropagation();
event.preventDefault();
}).mouseleave(function(){
$(this).removeAttr('style');
});
}
},
cntotc:function(){
//简体繁体互换
var b=$('.btn-cntotc');
b.on('click', function(event) {
var lang=$(this).attr('data-tolang');
if (lang=='tc') {
$('body').s2t();
$(this).attr('data-tolang', 'cn');
$(this).text('简体');
} else if(lang=='cn') {
$('body').t2s();
$(this).attr('data-tolang', 'tc');
$(this).text('繁體');
}
});
}
};
var x = new metui(METUI_FUN['head_nav_met_16_1']);
/*!
* M['weburl'] 网站网址
* M['lang'] 网站语言
* M['tem'] 模板目录路径
* M['classnow'] 当前栏目ID
* M['id'] 当前页面ID
* M['module'] 当前页面所属模块
* default_placeholder 开发者自定义默认图片延迟加载方式，'base64'：灰色背景；自定义背景图片路径；'blur'：图片高斯模糊；默认为'blur'
* met_prevarrow,met_nextarrow slick插件翻页按钮自定义html
* device_type 客户端判断（d：PC端，t：平板端，m：手机端）
*/
METUI_FUN['banner_met_16_2'] = {
name:'banner_met_16_2',
init: function() {
var $metbanner=METUI['banner_met_16_2'],
metbanner_slide='.banner_met_16_2 .slick-slide';
if($metbanner.length){
var img = METUI['banner_met_16_2'].find('.cover-image').eq(0);
img.imageloadFun(function(){
var slide = METUI['banner_met_16_2'].find('.slick-slide'),
bh = img.data('height').split('|');
for (var i = 0; i",h+=''+i.title+"",h+="
"),i.closed&&(h+=''),h+=''+i.content,(i.footer||"string"==typeof i.footer)&&(h+='"),h+="
",h+='',h+='',h+="