/*!
* Viewer.js v0.7.1
* https://github.com/fengyuanchen/viewerjs
*
* Copyright (c) 2017 Fengyuan Chen
* Released under the MIT license
*
* Date: 2017-05-14T07:05:32.049Z
*/
'use strict';
var DEFAULTS = {
// Enable inline mode
inline: false,
// Show the button on the top-right of the viewer
button: true,
// Show the navbar
navbar: true,
// Show the title
title: true,
// Show the toolbar
toolbar: true,
// Show the tooltip with image ratio (percentage) when zoom in or zoom out
tooltip: true,
// Enable to move the image
movable: true,
// Enable to zoom the image
zoomable: true,
// Enable to rotate the image
rotatable: true,
// Enable to scale the image
scalable: true,
// Enable CSS3 Transition for some special elements
transition: true,
// Enable to request fullscreen when play
fullscreen: true,
// Enable keyboard support
keyboard: true,
// Define interval of each image when playing
interval: 5000,
// Min width of the viewer in inline mode
minWidth: 200,
// Min height of the viewer in inline mode
minHeight: 100,
// Define the ratio when zoom the image by wheeling mouse
zoomRatio: 0.1,
// Define the min ratio of the image when zoom out
minZoomRatio: 0.01,
// Define the max ratio of the image when zoom in
maxZoomRatio: 100,
// Define the CSS `z-index` value of viewer in modal mode.
zIndex: 2015,
// Define the CSS `z-index` value of viewer in inline mode.
zIndexInline: 0,
// Define where to get the original image URL for viewing
// Type: String (an image attribute) or Function (should return an image URL)
url: 'src',
// Event shortcuts
ready: null,
show: null,
shown: null,
hide: null,
hidden: null,
view: null,
viewed: null
};
var TEMPLATE = '
' + '
' + '' + '
' + '
' + '
' + '
';
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var createClass = function () {
function defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
return function (Constructor, protoProps, staticProps) {
if (protoProps) defineProperties(Constructor.prototype, protoProps);
if (staticProps) defineProperties(Constructor, staticProps);
return Constructor;
};
}();
var get = function get(object, property, receiver) {
if (object === null) object = Function.prototype;
var desc = Object.getOwnPropertyDescriptor(object, property);
if (desc === undefined) {
var parent = Object.getPrototypeOf(object);
if (parent === null) {
return undefined;
} else {
return get(parent, property, receiver);
}
} else if ("value" in desc) {
return desc.value;
} else {
var getter = desc.get;
if (getter === undefined) {
return undefined;
}
return getter.call(receiver);
}
};
var set = function set(object, property, value, receiver) {
var desc = Object.getOwnPropertyDescriptor(object, property);
if (desc === undefined) {
var parent = Object.getPrototypeOf(object);
if (parent !== null) {
set(parent, property, value, receiver);
}
} else if ("value" in desc && desc.writable) {
desc.value = value;
} else {
var setter = desc.set;
if (setter !== undefined) {
setter.call(receiver, value);
}
}
return value;
};
// RegExps
var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
var REGEXP_SPACES = /\s+/;
var REGEXP_SUFFIX = /^(width|height|left|top|marginLeft|marginTop)$/;
var REGEXP_TRIM = /^\s+(.*)\s+$/;
// Utilities
var objectProto = Object.prototype;
var toString = objectProto.toString;
var hasOwnProperty = objectProto.hasOwnProperty;
var slice = Array.prototype.slice;
function typeOf(obj) {
return toString.call(obj).slice(8, -1).toLowerCase();
}
function isString(str) {
return typeof str === 'string';
}
function isNumber(num) {
return typeof num === 'number' && !isNaN(num);
}
function isUndefined(obj) {
return typeof obj === 'undefined';
}
function isObject(obj) {
return (typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) === 'object' && obj !== null;
}
function isPlainObject(obj) {
if (!isObject(obj)) {
return false;
}
try {
var _constructor = obj.constructor;
var prototype = _constructor.prototype;
return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
} catch (e) {
return false;
}
}
function isFunction(fn) {
return typeOf(fn) === 'function';
}
function isArray(arr) {
return Array.isArray ? Array.isArray(arr) : typeOf(arr) === 'array';
}
function toArray$$1(obj, offset) {
offset = offset >= 0 ? offset : 0;
if (Array.from) {
return Array.from(obj).slice(offset);
}
return slice.call(obj, offset);
}
function inArray(value, arr) {
var index = -1;
if (arr.indexOf) {
return arr.indexOf(value);
}
arr.forEach(function (n, i) {
if (n === value) {
index = i;
}
});
return index;
}
function trim(str) {
if (isString(str)) {
str = str.trim ? str.trim() : str.replace(REGEXP_TRIM, '1');
}
return str;
}
function each(obj, callback) {
if (obj && isFunction(callback)) {
var i = void 0;
if (isArray(obj) || isNumber(obj.length) /* array-like */) {
var length = obj.length;
for (i = 0; i < length; i++) {
if (callback.call(obj, obj[i], i, obj) === false) {
break;
}
}
} else if (isObject(obj)) {
Object.keys(obj).forEach(function (key) {
callback.call(obj, obj[key], key, obj);
});
}
}
return obj;
}
function extend(obj) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
if (isObject(obj) && args.length > 0) {
if (Object.assign) {
return Object.assign.apply(Object, [obj].concat(args));
}
args.forEach(function (arg) {
if (isObject(arg)) {
Object.keys(arg).forEach(function (key) {
obj[key] = arg[key];
});
}
});
}
return obj;
}
function proxy(fn, context) {
for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
args[_key2 - 2] = arguments[_key2];
}
return function () {
for (var _len3 = arguments.length, args2 = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
args2[_key3] = arguments[_key3];
}
return fn.apply(context, args.concat(args2));
};
}
function setStyle(element, styles) {
var style = element.style;
each(styles, function (value, property) {
if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
value += 'px';
}
style[property] = value;
});
}
function getStyle(element) {
return window.getComputedStyle ? window.getComputedStyle(element, null) : element.currentStyle;
}
function hasClass(element, value) {
return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
}
function addClass(element, value) {
if (!value) {
return;
}
if (isNumber(element.length)) {
each(element, function (elem) {
addClass(elem, value);
});
return;
}
if (element.classList) {
element.classList.add(value);
return;
}
var className = trim(element.className);
if (!className) {
element.className = value;
} else if (className.indexOf(value) < 0) {
element.className = className + ' ' + value;
}
}
function removeClass(element, value) {
if (!value) {
return;
}
if (isNumber(element.length)) {
each(element, function (elem) {
removeClass(elem, value);
});
return;
}
if (element.classList) {
element.classList.remove(value);
return;
}
if (element.className.indexOf(value) >= 0) {
element.className = element.className.replace(value, '');
}
}
function toggleClass(element, value, added) {
if (!value) {
return;
}
if (isNumber(element.length)) {
each(element, function (elem) {
toggleClass(elem, value, added);
});
return;
}
// IE10-11 doesn't support the second parameter of `classList.toggle`
if (added) {
addClass(element, value);
} else {
removeClass(element, value);
}
}
function hyphenate(str) {
return str.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase();
}
function getData(element, name) {
if (isObject(element[name])) {
return element[name];
} else if (element.dataset) {
return element.dataset[name];
}
return element.getAttribute('data-' + hyphenate(name));
}
function setData(element, name, data) {
if (isObject(data)) {
element[name] = data;
} else if (element.dataset) {
element.dataset[name] = data;
} else {
element.setAttribute('data-' + hyphenate(name), data);
}
}
function removeData(element, name) {
if (isObject(element[name])) {
delete element[name];
} else if (element.dataset) {
// #128 Safari not allows to delete dataset property
try {
delete element.dataset[name];
} catch (e) {
element.dataset[name] = null;
}
} else {
element.removeAttribute('data-' + hyphenate(name));
}
}
function removeListener(element, type, handler) {
var types = trim(type).split(REGEXP_SPACES);
if (types.length > 1) {
each(types, function (t) {
removeListener(element, t, handler);
});
return;
}
if (element.removeEventListener) {
element.removeEventListener(type, handler, false);
} else if (element.detachEvent) {
element.detachEvent('on' + type, handler);
}
}
function addListener(element, type, _handler, once) {
var types = trim(type).split(REGEXP_SPACES);
var originalHandler = _handler;
if (types.length > 1) {
each(types, function (t) {
addListener(element, t, _handler);
});
return;
}
if (once) {
_handler = function handler() {
for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
args[_key4] = arguments[_key4];
}
removeListener(element, type, _handler);
return originalHandler.apply(element, args);
};
}
if (element.addEventListener) {
element.addEventListener(type, _handler, false);
} else if (element.attachEvent) {
element.attachEvent('on' + type, _handler);
}
}
function dispatchEvent(element, type, data) {
if (element.dispatchEvent) {
var event = void 0;
// Event and CustomEvent on IE9-11 are global objects, not constructors
if (isFunction(Event) && isFunction(CustomEvent)) {
if (isUndefined(data)) {
event = new Event(type, {
bubbles: true,
cancelable: true
});
} else {
event = new CustomEvent(type, {
detail: data,
bubbles: true,
cancelable: true
});
}
} else if (isUndefined(data)) {
event = document.createEvent('Event');
event.initEvent(type, true, true);
} else {
event = document.createEvent('CustomEvent');
event.initCustomEvent(type, true, true, data);
}
// IE9+
return element.dispatchEvent(event);
} else if (element.fireEvent) {
// IE6-10 (native events only)
return element.fireEvent('on' + type);
}
return true;
}
function getEvent(event) {
var e = event || window.event;
// Fix target property (IE8)
if (!e.target) {
e.target = e.srcElement || document;
}
if (!isNumber(e.pageX) && isNumber(e.clientX)) {
var eventDoc = event.target.ownerDocument || document;
var doc = eventDoc.documentElement;
var body = eventDoc.body;
e.pageX = e.clientX + ((doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0));
e.pageY = e.clientY + ((doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0));
}
return e;
}
function getOffset(element) {
var doc = document.documentElement;
var box = element.getBoundingClientRect();
return {
left: box.left + ((window.scrollX || doc && doc.scrollLeft || 0) - (doc && doc.clientLeft || 0)),
top: box.top + ((window.scrollY || doc && doc.scrollTop || 0) - (doc && doc.clientTop || 0))
};
}
function getByTag(element, tagName) {
return element.getElementsByTagName(tagName);
}
function getByClass(element, className) {
return element.getElementsByClassName ? element.getElementsByClassName(className) : element.querySelectorAll('.' + className);
}
function appendChild(element, elem) {
if (elem.length) {
each(elem, function (el) {
appendChild(element, el);
});
return;
}
element.appendChild(elem);
}
function removeChild(element) {
if (element.parentNode) {
element.parentNode.removeChild(element);
}
}
function empty(element) {
while (element.firstChild) {
element.removeChild(element.firstChild);
}
}
function setText(element, text) {
if (!isUndefined(element.textContent)) {
element.textContent = text;
} else {
element.innerText = text;
}
}
// Force reflow to enable CSS3 transition
function forceReflow(element) {
return element.offsetWidth;
}
// e.g.: http://domain.com/path/to/picture.jpg?size=1280×960 -> picture.jpg
function getImageName(url) {
return isString(url) ? url.replace(/^.*\//, '').replace(/[?].*$/, '') : '';
}
function getImageSize(image, callback) {
// Modern browsers
if (image.naturalWidth) {
callback(image.naturalWidth, image.naturalHeight);
return;
}
var newImage = document.createElement('img');
newImage.onload = function load() {
callback(this.width, this.height);
};
newImage.src = image.src;
}
function getTransform(data) {
var transforms = [];
var rotate = data.rotate;
var scaleX = data.scaleX;
var scaleY = data.scaleY;
// Rotate should come first before scale to match orientation transform
if (isNumber(rotate) && rotate !== 0) {
transforms.push('rotate(' + rotate + 'deg)');
}
if (isNumber(scaleX) && scaleX !== 1) {
transforms.push('scaleX(' + scaleX + ')');
}
if (isNumber(scaleY) && scaleY !== 1) {
transforms.push('scaleY(' + scaleY + ')');
}
return transforms.length ? transforms.join(' ') : 'none';
}
function getResponsiveClass(option) {
switch (option) {
case 2:
return 'viewer-hide-xs-down';
case 3:
return 'viewer-hide-sm-down';
case 4:
return 'viewer-hide-md-down';
}
return '';
}
function getPointer(pointer, endOnly) {
var end = {
endX: pointer.pageX,
endY: pointer.pageY
};
if (endOnly) {
return end;
}
return extend({
startX: pointer.pageX,
startY: pointer.pageY
}, end);
}
function getMaxZoomRatio(pointers) {
var pointers2 = extend({}, pointers);
var ratios = [];
each(pointers, function (pointer, pointerId) {
delete pointers2[pointerId];
each(pointers2, function (pointer2) {
var x1 = Math.abs(pointer.startX - pointer2.startX);
var y1 = Math.abs(pointer.startY - pointer2.startY);
var x2 = Math.abs(pointer.endX - pointer2.endX);
var y2 = Math.abs(pointer.endY - pointer2.endY);
var z1 = Math.sqrt(x1 * x1 + y1 * y1);
var z2 = Math.sqrt(x2 * x2 + y2 * y2);
var ratio = (z2 - z1) / z1;
ratios.push(ratio);
});
});
ratios.sort(function (a, b) {
return Math.abs(a) < Math.abs(b);
});
return ratios[0];
}
function getPointersCenter(pointers) {
var pageX = 0;
var pageY = 0;
var count = 0;
each(pointers, function (pointer) {
pageX += pointer.startX;
pageY += pointer.startY;
count += 1;
});
pageX /= count;
pageY /= count;
return {
pageX: pageX,
pageY: pageY
};
}
var render$1 = {
render: function render() {
var self = this;
self.initContainer();
self.initViewer();
self.initList();
self.renderViewer();
},
initContainer: function initContainer() {
var self = this;
self.containerData = {
width: window.innerWidth,
height: window.innerHeight
};
},
initViewer: function initViewer() {
var self = this;
var options = self.options;
var parent = self.parent;
var viewerData = void 0;
if (options.inline) {
self.parentData = viewerData = {
width: Math.max(parent.offsetWidth, options.minWidth),
height: Math.max(parent.offsetHeight, options.minHeight)
};
}
if (self.fulled || !viewerData) {
viewerData = self.containerData;
}
self.viewerData = extend({}, viewerData);
},
renderViewer: function renderViewer() {
var self = this;
if (self.options.inline && !self.fulled) {
setStyle(self.viewer, self.viewerData);
}
},
initList: function initList() {
var self = this;
var options = self.options;
var element = self.element;
var list = self.list;
var items = [];
each(self.images, function (image, i) {
var src = image.src;
var alt = image.alt || getImageName(src);
var url = options.url;
if (!src) {
return;
}
if (isString(url)) {
url = image.getAttribute(url);
} else if (isFunction(url)) {
url = url.call(image, image);
}
items.push('' + '' + '');
});
list.innerHTML = items.join('');
each(getByTag(list, 'img'), function (image) {
setData(image, 'filled', true);
addListener(image, 'load', proxy(self.loadImage, self), true);
});
self.items = getByTag(list, 'li');
if (options.transition) {
addListener(element, 'viewed', function () {
addClass(list, 'viewer-transition');
}, true);
}
},
renderList: function renderList(index) {
var self = this;
var i = index || self.index;
var width = self.items[i].offsetWidth || 30;
var outerWidth = width + 1; // 1 pixel of `margin-left` width
// Place the active item in the center of the screen
setStyle(self.list, {
width: outerWidth * self.length,
marginLeft: (self.viewerData.width - width) / 2 - outerWidth * i
});
},
resetList: function resetList() {
var self = this;
empty(self.list);
removeClass(self.list, 'viewer-transition');
setStyle({
marginLeft: 0
});
},
initImage: function initImage(callback) {
var self = this;
var options = self.options;
var image = self.image;
var viewerData = self.viewerData;
var footerHeight = self.footer.offsetHeight;
var viewerWidth = viewerData.width;
var viewerHeight = Math.max(viewerData.height - footerHeight, footerHeight);
var oldImageData = self.imageData || {};
getImageSize(image, function (naturalWidth, naturalHeight) {
var aspectRatio = naturalWidth / naturalHeight;
var width = viewerWidth;
var height = viewerHeight;
if (viewerHeight * aspectRatio > viewerWidth) {
height = viewerWidth / aspectRatio;
} else {
width = viewerHeight * aspectRatio;
}
width = Math.min(width * 0.9, naturalWidth);
height = Math.min(height * 0.9, naturalHeight);
var imageData = {
naturalWidth: naturalWidth,
naturalHeight: naturalHeight,
aspectRatio: aspectRatio,
ratio: width / naturalWidth,
width: width,
height: height,
left: (viewerWidth - width) / 2,
top: (viewerHeight - height) / 2
};
var initialImageData = extend({}, imageData);
if (options.rotatable) {
imageData.rotate = oldImageData.rotate || 0;
initialImageData.rotate = 0;
}
if (options.scalable) {
imageData.scaleX = oldImageData.scaleX || 1;
imageData.scaleY = oldImageData.scaleY || 1;
initialImageData.scaleX = 1;
initialImageData.scaleY = 1;
}
self.imageData = imageData;
self.initialImageData = initialImageData;
if (isFunction(callback)) {
callback();
}
});
},
renderImage: function renderImage(callback) {
var self = this;
var image = self.image;
var imageData = self.imageData;
var transform = getTransform(imageData);
setStyle(image, {
width: imageData.width,
height: imageData.height,
marginLeft: imageData.left,
marginTop: imageData.top,
WebkitTransform: transform,
msTransform: transform,
transform: transform
});
if (isFunction(callback)) {
if (self.transitioning) {
addListener(image, 'transitionend', callback, true);
} else {
callback();
}
}
},
resetImage: function resetImage() {
var self = this;
// this.image only defined after viewed
if (self.image) {
removeChild(self.image);
self.image = null;
}
}
};
// Events
var PointerEvent = typeof window !== 'undefined' ? window.PointerEvent : null;
var EVENT_POINTER_DOWN = PointerEvent ? 'pointerdown' : 'touchstart mousedown';
var EVENT_POINTER_MOVE = PointerEvent ? 'pointermove' : 'mousemove touchmove';
var EVENT_POINTER_UP = PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup';
var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
var EVENT_KEY_DOWN = 'keydown';
var EVENT_DRAGS_TART = 'dragstart';
var EVENT_CLICK = 'click';
var EVENT_RESIZE = 'resize';
var EVENT_VIEW = 'view';
var EVENT_VIEWED = 'viewed';
var events = {
bind: function bind() {
var self = this;
var options = self.options;
var element = self.element;
var viewer = self.viewer;
if (isFunction(options.view)) {
addListener(element, EVENT_VIEW, options.view);
}
if (isFunction(options.viewed)) {
addListener(element, EVENT_VIEWED, options.viewed);
}
addListener(viewer, EVENT_CLICK, self.onClick = proxy(self.click, self));
addListener(viewer, EVENT_WHEEL, self.onWheel = proxy(self.wheel, self));
addListener(viewer, EVENT_DRAGS_TART, self.onDragstart = proxy(self.dragstart, self));
addListener(self.canvas, EVENT_POINTER_DOWN, self.onPointerdown = proxy(self.pointerdown, self));
addListener(document, EVENT_POINTER_MOVE, self.onPointermove = proxy(self.pointermove, self));
addListener(document, EVENT_POINTER_UP, self.onPointerup = proxy(self.pointerup, self));
addListener(document, EVENT_KEY_DOWN, self.onKeydown = proxy(self.keydown, self));
addListener(window, EVENT_RESIZE, self.onResize = proxy(self.resize, self));
},
unbind: function unbind() {
var self = this;
var options = self.options;
var element = self.element;
var viewer = self.viewer;
if (isFunction(options.view)) {
removeListener(element, EVENT_VIEW, options.view);
}
if (isFunction(options.viewed)) {
removeListener(element, EVENT_VIEWED, options.viewed);
}
removeListener(viewer, EVENT_CLICK, self.onClick);
removeListener(viewer, EVENT_WHEEL, self.onWheel);
removeListener(viewer, EVENT_DRAGS_TART, self.onDragstart);
removeListener(self.canvas, EVENT_POINTER_DOWN, self.onPointerdown);
removeListener(document, EVENT_POINTER_MOVE, self.onPointermove);
removeListener(document, EVENT_POINTER_UP, self.onPointerup);
removeListener(document, EVENT_KEY_DOWN, self.onKeydown);
removeListener(window, EVENT_RESIZE, self.onResize);
}
};
var handlers = {
start: function start(event) {
var self = this;
var e = getEvent(event);
var target = e.target;
if (target.tagName.toLowerCase() === 'img') {
self.target = target;
self.show();
}
},
click: function click(event) {
var self = this;
var e = getEvent(event);
var target = e.target;
var action = getData(target, 'action');
var imageData = self.imageData;
switch (action) {
case 'mix':
if (self.played) {
self.stop();
} else if (self.options.inline) {
if (self.fulled) {
self.exit();
} else {
self.full();
}
} else {
self.hide();
}
break;
case 'view':
self.view(getData(target, 'index'));
break;
case 'zoom-in':
self.zoom(0.1, true);
break;
case 'zoom-out':
self.zoom(-0.1, true);
break;
case 'one-to-one':
self.toggle();
break;
case 'reset':
self.reset();
break;
case 'prev':
self.prev();
break;
case 'play':
self.play();
break;
case 'next':
self.next();
break;
case 'rotate-left':
self.rotate(-90);
break;
case 'rotate-right':
self.rotate(90);
break;
case 'flip-horizontal':
self.scaleX(-imageData.scaleX || -1);
break;
case 'flip-vertical':
self.scaleY(-imageData.scaleY || -1);
break;
default:
if (self.played) {
self.stop();
}
}
},
load: function load() {
var self = this;
var options = self.options;
var image = self.image;
var index = self.index;
var viewerData = self.viewerData;
if (self.timeout) {
clearTimeout(self.timeout);
self.timeout = false;
}
removeClass(image, 'viewer-invisible');
image.style.cssText = 'width:0;' + 'height:0;' + ('margin-left:' + viewerData.width / 2 + 'px;') + ('margin-top:' + viewerData.height / 2 + 'px;') + 'max-width:none!important;' + 'visibility:visible;';
self.initImage(function () {
toggleClass(image, 'viewer-transition', options.transition);
toggleClass(image, 'viewer-move', options.movable);
self.renderImage(function () {
self.viewed = true;
dispatchEvent(self.element, 'viewed', {
originalImage: self.images[index],
index: index,
image: image
});
});
});
},
loadImage: function loadImage(event) {
var e = getEvent(event);
var image = e.target;
var parent = image.parentNode;
var parentWidth = parent.offsetWidth || 30;
var parentHeight = parent.offsetHeight || 50;
var filled = !!getData(image, 'filled');
getImageSize(image, function (naturalWidth, naturalHeight) {
var aspectRatio = naturalWidth / naturalHeight;
var width = parentWidth;
var height = parentHeight;
if (parentHeight * aspectRatio > parentWidth) {
if (filled) {
width = parentHeight * aspectRatio;
} else {
height = parentWidth / aspectRatio;
}
} else if (filled) {
height = parentWidth / aspectRatio;
} else {
width = parentHeight * aspectRatio;
}
setStyle(image, {
width: width,
height: height,
marginLeft: (parentWidth - width) / 2,
marginTop: (parentHeight - height) / 2
});
});
},
resize: function resize() {
var self = this;
self.initContainer();
self.initViewer();
self.renderViewer();
self.renderList();
if (self.viewed) {
self.initImage(function () {
self.renderImage();
});
}
if (self.played) {
each(getByTag(self.player, 'img'), function (image) {
addListener(image, 'load', proxy(self.loadImage, self), true);
dispatchEvent(image, 'load');
});
}
},
wheel: function wheel(event) {
var self = this;
var e = getEvent(event);
if (!self.viewed) {
return;
}
e.preventDefault();
// Limit wheel speed to prevent zoom too fast
if (self.wheeling) {
return;
}
self.wheeling = true;
setTimeout(function () {
self.wheeling = false;
}, 50);
var ratio = Number(self.options.zoomRatio) || 0.1;
var delta = 1;
if (e.deltaY) {
delta = e.deltaY > 0 ? 1 : -1;
} else if (e.wheelDelta) {
delta = -e.wheelDelta / 120;
} else if (e.detail) {
delta = e.detail > 0 ? 1 : -1;
}
self.zoom(-delta * ratio, true, e);
},
keydown: function keydown(event) {
var self = this;
var e = getEvent(event);
var options = self.options;
var key = e.keyCode || e.which || e.charCode;
if (!self.fulled || !options.keyboard) {
return;
}
switch (key) {
// (Key: Esc)
case 27:
if (self.played) {
self.stop();
} else if (options.inline) {
if (self.fulled) {
self.exit();
}
} else {
self.hide();
}
break;
// (Key: Space)
case 32:
if (self.played) {
self.stop();
}
break;
// View previous (Key: ←)
case 37:
self.prev();
break;
// Zoom in (Key: ↑)
case 38:
// Prevent scroll on Firefox
e.preventDefault();
self.zoom(options.zoomRatio, true);
break;
// View next (Key: →)
case 39:
self.next();
break;
// Zoom out (Key: ↓)
case 40:
// Prevent scroll on Firefox
e.preventDefault();
self.zoom(-options.zoomRatio, true);
break;
// Zoom out to initial size (Key: Ctrl + 0)
case 48:
// Fall through
// Zoom in to natural size (Key: Ctrl + 1)
// eslint-disable-next-line
case 49:
if (e.ctrlKey || e.shiftKey) {
e.preventDefault();
self.toggle();
}
break;
// No default
}
},
dragstart: function dragstart(e) {
if (e.target.tagName.toLowerCase() === 'img') {
e.preventDefault();
}
},
pointerdown: function pointerdown(event) {
var self = this;
var options = self.options;
var pointers = self.pointers;
var e = getEvent(event);
if (!self.viewed) {
return;
}
if (e.changedTouches) {
each(e.changedTouches, function (touch) {
pointers[touch.identifier] = getPointer(touch);
});
} else {
pointers[e.pointerId || 0] = getPointer(e);
}
var action = options.movable ? 'move' : false;
if (Object.keys(pointers).length > 1) {
action = 'zoom';
} else if ((e.pointerType === 'touch' || e.type === 'touchmove') && self.isSwitchable()) {
action = 'switch';
}
self.action = action;
},
pointermove: function pointermove(event) {
var self = this;
var options = self.options;
var pointers = self.pointers;
var e = getEvent(event);
var action = self.action;
var image = self.image;
if (!self.viewed || !action) {
return;
}
e.preventDefault();
if (e.changedTouches) {
each(e.changedTouches, function (touch) {
extend(pointers[touch.identifier], getPointer(touch, true));
});
} else {
extend(pointers[e.pointerId || 0], getPointer(e, true));
}
if (action === 'move' && options.transition && hasClass(image, 'viewer-transition')) {
removeClass(image, 'viewer-transition');
}
self.change(e);
},
pointerup: function pointerup(event) {
var self = this;
var pointers = self.pointers;
var e = getEvent(event);
var action = self.action;
if (!self.viewed) {
return;
}
if (e.changedTouches) {
each(e.changedTouches, function (touch) {
delete pointers[touch.identifier];
});
} else {
delete pointers[e.pointerId || 0];
}
if (!action) {
return;
}
if (action === 'move' && self.options.transition) {
addClass(self.image, 'viewer-transition');
}
self.action = false;
}
};
var methods = {
// Show the viewer (only available in modal mode)
show: function show() {
var self = this;
var options = self.options;
var element = self.element;
if (options.inline || self.transitioning) {
return self;
}
if (!self.ready) {
self.build();
}
if (isFunction(options.show)) {
addListener(element, 'show', options.show, true);
}
if (dispatchEvent(element, 'show') === false) {
return self;
}
self.open();
var viewer = self.viewer;
removeClass(viewer, 'viewer-hide');
addListener(element, 'shown', function () {
self.view(self.target ? inArray(self.target, toArray$$1(self.images)) : self.index);
self.target = false;
}, true);
if (options.transition) {
self.transitioning = true;
addClass(viewer, 'viewer-transition');
forceReflow(viewer);
addListener(viewer, 'transitionend', proxy(self.shown, self), true);
addClass(viewer, 'viewer-in');
} else {
addClass(viewer, 'viewer-in');
self.shown();
}
return self;
},
// Hide the viewer (only available in modal mode)
hide: function hide() {
var self = this;
var options = self.options;
var element = self.element;
var viewer = self.viewer;
if (options.inline || self.transitioning || !self.visible) {
return self;
}
if (isFunction(options.hide)) {
addListener(element, 'hide', options.hide, true);
}
if (dispatchEvent(element, 'hide') === false) {
return self;
}
if (self.viewed && options.transition) {
self.transitioning = true;
addListener(self.image, 'transitionend', function () {
addListener(viewer, 'transitionend', proxy(self.hidden, self), true);
removeClass(viewer, 'viewer-in');
}, true);
self.zoomTo(0, false, false, true);
} else {
removeClass(viewer, 'viewer-in');
self.hidden();
}
return self;
},
/**
* View one of the images with image's index
*
* @param {Number} index
*/
view: function view(index) {
var self = this;
var element = self.element;
var title = self.title;
var canvas = self.canvas;
index = Number(index) || 0;
if (!self.ready || !self.visible || self.played || index < 0 || index >= self.length || self.viewed && index === self.index) {
return self;
}
var item = self.items[index];
var img = getByTag(item, 'img')[0];
var url = getData(img, 'originalUrl');
var alt = img.getAttribute('alt');
var image = document.createElement('img');
image.src = url;
image.alt = alt;
if (dispatchEvent(element, 'view', {
originalImage: self.images[index],
index: index,
image: image
}) === false) {
return self;
}
self.image = image;
if (self.viewed) {
removeClass(self.items[self.index], 'viewer-active');
}
addClass(item, 'viewer-active');
self.viewed = false;
self.index = index;
self.imageData = null;
addClass(image, 'viewer-invisible');
empty(canvas);
appendChild(canvas, image);
// Center current item
self.renderList();
// Clear title
empty(title);
// Generate title after viewed
addListener(element, 'viewed', function () {
var imageData = self.imageData;
setText(title, alt + ' (' + imageData.naturalWidth + ' \xD7 ' + imageData.naturalHeight + ')');
}, true);
if (image.complete) {
self.load();
} else {
addListener(image, 'load', proxy(self.load, self), true);
if (self.timeout) {
clearTimeout(self.timeout);
}
// Make the image visible if it fails to load within 1s
self.timeout = setTimeout(function () {
removeClass(image, 'viewer-invisible');
self.timeout = false;
}, 1000);
}
return self;
},
// View the previous image
prev: function prev() {
var self = this;
self.view(Math.max(self.index - 1, 0));
return self;
},
// View the next image
next: function next() {
var self = this;
self.view(Math.min(self.index + 1, self.length - 1));
return self;
},
/**
* Move the image with relative offsets
*
* @param {Number} offsetX
* @param {Number} offsetY (optional)
*/
move: function move(offsetX, offsetY) {
var self = this;
var imageData = self.imageData;
self.moveTo(isUndefined(offsetX) ? offsetX : imageData.left + Number(offsetX), isUndefined(offsetY) ? offsetY : imageData.top + Number(offsetY));
return self;
},
/**
* Move the image to an absolute point
*
* @param {Number} x
* @param {Number} y (optional)
*/
moveTo: function moveTo(x, y) {
var self = this;
var imageData = self.imageData;
// If "y" is not present, its default value is "x"
if (isUndefined(y)) {
y = x;
}
x = Number(x);
y = Number(y);
if (self.viewed && !self.played && self.options.movable) {
var changed = false;
if (isNumber(x)) {
imageData.left = x;
changed = true;
}
if (isNumber(y)) {
imageData.top = y;
changed = true;
}
if (changed) {
self.renderImage();
}
}
return self;
},
/**
* Zoom the image with a relative ratio
*
* @param {Number} ratio
* @param {Boolean} hasTooltip (optional)
* @param {Event} _originalEvent (private)
*/
zoom: function zoom(ratio, hasTooltip, _originalEvent) {
var self = this;
var imageData = self.imageData;
ratio = Number(ratio);
if (ratio < 0) {
ratio = 1 / (1 - ratio);
} else {
ratio = 1 + ratio;
}
self.zoomTo(imageData.width * ratio / imageData.naturalWidth, hasTooltip, _originalEvent);
return self;
},
/**
* Zoom the image to an absolute ratio
*
* @param {Number} ratio
* @param {Boolean} hasTooltip (optional)
* @param {Event} _originalEvent (private)
* @param {Boolean} _zoomable (private)
*/
zoomTo: function zoomTo(ratio, hasTooltip, _originalEvent, _zoomable) {
var self = this;
var options = self.options;
var pointers = self.pointers;
var imageData = self.imageData;
ratio = Math.max(0, ratio);
if (isNumber(ratio) && self.viewed && !self.played && (_zoomable || options.zoomable)) {
if (!_zoomable) {
var minZoomRatio = Math.max(0.01, options.minZoomRatio);
var maxZoomRatio = Math.min(100, options.maxZoomRatio);
ratio = Math.min(Math.max(ratio, minZoomRatio), maxZoomRatio);
}
if (ratio > 0.95 && ratio < 1.05) {
ratio = 1;
}
var newWidth = imageData.naturalWidth * ratio;
var newHeight = imageData.naturalHeight * ratio;
if (_originalEvent) {
var offset = getOffset(self.viewer);
var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
pageX: _originalEvent.pageX,
pageY: _originalEvent.pageY
};
// Zoom from the triggering point of the event
imageData.left -= (newWidth - imageData.width) * ((center.pageX - offset.left - imageData.left) / imageData.width);
imageData.top -= (newHeight - imageData.height) * ((center.pageY - offset.top - imageData.top) / imageData.height);
} else {
// Zoom from the center of the image
imageData.left -= (newWidth - imageData.width) / 2;
imageData.top -= (newHeight - imageData.height) / 2;
}
imageData.width = newWidth;
imageData.height = newHeight;
imageData.ratio = ratio;
self.renderImage();
if (hasTooltip) {
self.tooltip();
}
}
return self;
},
/**
* Rotate the image with a relative degree
*
* @param {Number} degree
*/
rotate: function rotate(degree) {
var self = this;
self.rotateTo((self.imageData.rotate || 0) + Number(degree));
return self;
},
/**
* Rotate the image to an absolute degree
* https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#rotate()
*
* @param {Number} degree
*/
rotateTo: function rotateTo(degree) {
var self = this;
var imageData = self.imageData;
degree = Number(degree);
if (isNumber(degree) && self.viewed && !self.played && self.options.rotatable) {
imageData.rotate = degree;
self.renderImage();
}
return self;
},
/**
* Scale the image
* https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#scale()
*
* @param {Number} scaleX
* @param {Number} scaleY (optional)
*/
scale: function scale(scaleX, scaleY) {
var self = this;
var imageData = self.imageData;
// If "scaleY" is not present, its default value is "scaleX"
if (isUndefined(scaleY)) {
scaleY = scaleX;
}
scaleX = Number(scaleX);
scaleY = Number(scaleY);
if (self.viewed && !self.played && self.options.scalable) {
var changed = false;
if (isNumber(scaleX)) {
imageData.scaleX = scaleX;
changed = true;
}
if (isNumber(scaleY)) {
imageData.scaleY = scaleY;
changed = true;
}
if (changed) {
self.renderImage();
}
}
return self;
},
/**
* Scale the abscissa of the image
*
* @param {Number} scaleX
*/
scaleX: function scaleX(_scaleX) {
var self = this;
self.scale(_scaleX, self.imageData.scaleY);
return self;
},
/**
* Scale the ordinate of the image
*
* @param {Number} scaleY
*/
scaleY: function scaleY(_scaleY) {
var self = this;
self.scale(self.imageData.scaleX, _scaleY);
return self;
},
// Play the images
play: function play() {
var self = this;
var options = self.options;
var player = self.player;
var load = proxy(self.loadImage, self);
var list = [];
var total = 0;
var index = 0;
if (!self.visible || self.played) {
return self;
}
if (options.fullscreen) {
self.requestFullscreen();
}
self.played = true;
addClass(player, 'viewer-show');
each(self.items, function (item, i) {
var img = getByTag(item, 'img')[0];
var image = document.createElement('img');
image.src = getData(img, 'originalUrl');
image.alt = img.getAttribute('alt');
total++;
addClass(image, 'viewer-fade');
toggleClass(image, 'viewer-transition', options.transition);
if (hasClass(item, 'viewer-active')) {
addClass(image, 'viewer-in');
index = i;
}
list.push(image);
addListener(image, 'load', load, true);
appendChild(player, image);
});
if (isNumber(options.interval) && options.interval > 0) {
(function () {
var playing = function playing() {
self.playing = setTimeout(function () {
removeClass(list[index], 'viewer-in');
index++;
index = index < total ? index : 0;
addClass(list[index], 'viewer-in');
playing();
}, options.interval);
};
if (total > 1) {
playing();
}
})();
}
return self;
},
// Stop play
stop: function stop() {
var self = this;
var player = self.player;
if (!self.played) {
return self;
}
if (self.options.fullscreen) {
self.exitFullscreen();
}
self.played = false;
clearTimeout(self.playing);
removeClass(player, 'viewer-show');
empty(player);
return self;
},
// Enter modal mode (only available in inline mode)
full: function full() {
var self = this;
var options = self.options;
var viewer = self.viewer;
var image = self.image;
var list = self.list;
if (!self.visible || self.played || self.fulled || !options.inline) {
return self;
}
self.fulled = true;
self.open();
addClass(self.button, 'viewer-fullscreen-exit');
if (options.transition) {
removeClass(image, 'viewer-transition');
removeClass(list, 'viewer-transition');
}
addClass(viewer, 'viewer-fixed');
viewer.setAttribute('style', '');
setStyle(viewer, {
zIndex: options.zIndex
});
self.initContainer();
self.viewerData = extend({}, self.containerData);
self.renderList();
self.initImage(function () {
self.renderImage(function () {
if (options.transition) {
setTimeout(function () {
addClass(image, 'viewer-transition');
addClass(list, 'viewer-transition');
}, 0);
}
});
});
return self;
},
// Exit modal mode (only available in inline mode)
exit: function exit() {
var self = this;
var options = self.options;
var viewer = self.viewer;
var image = self.image;
var list = self.list;
if (!self.fulled) {
return self;
}
self.fulled = false;
self.close();
removeClass(self.button, 'viewer-fullscreen-exit');
if (options.transition) {
removeClass(image, 'viewer-transition');
removeClass(list, 'viewer-transition');
}
removeClass(viewer, 'viewer-fixed');
setStyle(viewer, {
zIndex: options.zIndexInline
});
self.viewerData = extend({}, self.parentData);
self.renderViewer();
self.renderList();
self.initImage(function () {
self.renderImage(function () {
if (options.transition) {
setTimeout(function () {
addClass(image, 'viewer-transition');
addClass(list, 'viewer-transition');
}, 0);
}
});
});
return self;
},
// Show the current ratio of the image with percentage
tooltip: function tooltip() {
var self = this;
var options = self.options;
var tooltipBox = self.tooltipBox;
var imageData = self.imageData;
if (!self.viewed || self.played || !options.tooltip) {
return self;
}
setText(tooltipBox, Math.round(imageData.ratio * 100) + '%');
if (!self.tooltiping) {
if (options.transition) {
if (self.fading) {
dispatchEvent(tooltipBox, 'transitionend');
}
addClass(tooltipBox, 'viewer-show');
addClass(tooltipBox, 'viewer-fade');
addClass(tooltipBox, 'viewer-transition');
forceReflow(tooltipBox);
addClass(tooltipBox, 'viewer-in');
} else {
addClass(tooltipBox, 'viewer-show');
}
} else {
clearTimeout(self.tooltiping);
}
self.tooltiping = setTimeout(function () {
if (options.transition) {
addListener(tooltipBox, 'transitionend', function () {
removeClass(tooltipBox, 'viewer-show');
removeClass(tooltipBox, 'viewer-fade');
removeClass(tooltipBox, 'viewer-transition');
self.fading = false;
}, true);
removeClass(tooltipBox, 'viewer-in');
self.fading = true;
} else {
removeClass(tooltipBox, 'viewer-show');
}
self.tooltiping = false;
}, 1000);
return self;
},
// Toggle the image size between its natural size and initial size
toggle: function toggle() {
var self = this;
if (self.imageData.ratio === 1) {
self.zoomTo(self.initialImageData.ratio, true);
} else {
self.zoomTo(1, true);
}
return self;
},
// Reset the image to its initial state
reset: function reset() {
var self = this;
if (self.viewed && !self.played) {
self.imageData = extend({}, self.initialImageData);
self.renderImage();
}
return self;
},
// Update viewer when images changed
update: function update() {
var self = this;
var indexes = [];
// Destroy viewer if the target image was deleted
if (self.isImg && !self.element.parentNode) {
return self.destroy();
}
self.length = self.images.length;
if (self.ready) {
each(self.items, function (item, i) {
var img = getByTag(item, 'img')[0];
var image = self.images[i];
if (image) {
if (image.src !== img.src) {
indexes.push(i);
}
} else {
indexes.push(i);
}
});
setStyle(self.list, {
width: 'auto'
});
self.initList();
if (self.visible) {
if (self.length) {
if (self.viewed) {
var index = inArray(self.index, indexes);
if (index >= 0) {
self.viewed = false;
self.view(Math.max(self.index - (index + 1), 0));
} else {
addClass(self.items[self.index], 'viewer-active');
}
}
} else {
self.image = null;
self.viewed = false;
self.index = 0;
self.imageData = null;
empty(self.canvas);
empty(self.title);
}
}
}
return self;
},
// Destroy the viewer
destroy: function destroy() {
var self = this;
var element = self.element;
if (self.options.inline) {
self.unbind();
} else {
if (self.visible) {
self.unbind();
}
removeListener(element, 'click', self.onStart);
}
self.unbuild();
removeData(element, 'viewer');
return self;
}
};
var others = {
open: function open() {
var body = this.body;
addClass(body, 'viewer-open');
body.style.paddingRight = this.scrollbarWidth + 'px';
},
close: function close() {
var body = this.body;
removeClass(body, 'viewer-open');
body.style.paddingRight = 0;
},
shown: function shown() {
var self = this;
var options = self.options;
var element = self.element;
self.transitioning = false;
self.fulled = true;
self.visible = true;
self.render();
self.bind();
if (isFunction(options.shown)) {
addListener(element, 'shown', options.shown, true);
}
dispatchEvent(element, 'shown');
},
hidden: function hidden() {
var self = this;
var options = self.options;
var element = self.element;
self.transitioning = false;
self.viewed = false;
self.fulled = false;
self.visible = false;
self.unbind();
self.close();
addClass(self.viewer, 'viewer-hide');
self.resetList();
self.resetImage();
if (isFunction(options.hidden)) {
addListener(element, 'hidden', options.hidden, true);
}
dispatchEvent(element, 'hidden');
},
requestFullscreen: function requestFullscreen() {
var self = this;
var documentElement = document.documentElement;
if (self.fulled && !document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) {
if (documentElement.requestFullscreen) {
documentElement.requestFullscreen();
} else if (documentElement.msRequestFullscreen) {
documentElement.msRequestFullscreen();
} else if (documentElement.mozRequestFullScreen) {
documentElement.mozRequestFullScreen();
} else if (documentElement.webkitRequestFullscreen) {
documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
}
}
},
exitFullscreen: function exitFullscreen() {
var self = this;
if (self.fulled) {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
}
}
},
change: function change(e) {
var self = this;
var pointers = self.pointers;
var pointer = pointers[Object.keys(pointers)[0]];
var offsetX = pointer.endX - pointer.startX;
var offsetY = pointer.endY - pointer.startY;
switch (self.action) {
// Move the current image
case 'move':
self.move(offsetX, offsetY);
break;
// Zoom the current image
case 'zoom':
self.zoom(getMaxZoomRatio(pointers), false, e);
break;
case 'switch':
self.action = 'switched';
if (Math.abs(offsetX) > Math.abs(offsetY)) {
if (offsetX > 1) {
self.prev();
} else if (offsetX < -1) {
self.next();
}
}
break;
// No default
}
// Override
each(pointers, function (p) {
p.startX = p.endX;
p.startY = p.endY;
});
},
isSwitchable: function isSwitchable() {
var self = this;
var imageData = self.imageData;
var viewerData = self.viewerData;
return self.length > 1 && imageData.left >= 0 && imageData.top >= 0 && imageData.width <= viewerData.width && imageData.height <= viewerData.height;
}
};
var SUPPORT_TRANSITION = typeof document.createElement('viewer').style.transition !== 'undefined';
var AnotherViewer = void 0;
var Viewer = function () {
function Viewer(element, options) {
classCallCheck(this, Viewer);
var self = this;
self.element = element;
self.options = extend({}, DEFAULTS, isPlainObject(options) && options);
self.isImg = false;
self.ready = false;
self.visible = false;
self.viewed = false;
self.fulled = false;
self.played = false;
self.wheeling = false;
self.playing = false;
self.fading = false;
self.tooltiping = false;
self.transitioning = false;
self.action = false;
self.target = false;
self.timeout = false;
self.index = 0;
self.length = 0;
self.pointers = {};
self.init();
}
createClass(Viewer, [{
key: 'init',
value: function init() {
var self = this;
var options = self.options;
var element = self.element;
if (getData(element, 'viewer')) {
return;
}
setData(element, 'viewer', self);
var isImg = element.tagName.toLowerCase() === 'img';
var images = isImg ? [element] : getByTag(element, 'img');
var length = images.length;
if (!length) {
return;
}
if (isFunction(options.ready)) {
addListener(element, 'ready', options.ready, true);
}
// Override `transition` option if it is not supported
if (!SUPPORT_TRANSITION) {
options.transition = false;
}
self.isImg = isImg;
self.length = length;
self.count = 0;
self.images = images;
self.body = document.body;
self.scrollbarWidth = window.innerWidth - document.body.clientWidth;
if (options.inline) {
(function () {
var progress = proxy(self.progress, self);
addListener(element, 'ready', function () {
self.view();
}, true);
each(images, function (image) {
if (image.complete) {
progress();
} else {
addListener(image, 'load', progress, true);
}
});
})();
} else {
addListener(element, 'click', self.onStart = proxy(self.start, self));
}
}
}, {
key: 'progress',
value: function progress() {
var self = this;
self.count++;
if (self.count === self.length) {
self.build();
}
}
}, {
key: 'build',
value: function build() {
var self = this;
var options = self.options;
var element = self.element;
if (self.ready) {
return;
}
var template = document.createElement('div');
var parent = void 0;
var viewer = void 0;
var button = void 0;
var toolbar = void 0;
var navbar = void 0;
var title = void 0;
template.innerHTML = TEMPLATE;
self.parent = parent = element.parentNode;
self.viewer = viewer = getByClass(template, 'viewer-container')[0];
self.canvas = getByClass(viewer, 'viewer-canvas')[0];
self.footer = getByClass(viewer, 'viewer-footer')[0];
self.title = title = getByClass(viewer, 'viewer-title')[0];
self.toolbar = toolbar = getByClass(viewer, 'viewer-toolbar')[0];
self.navbar = navbar = getByClass(viewer, 'viewer-navbar')[0];
self.button = button = getByClass(viewer, 'viewer-button')[0];
self.tooltipBox = getByClass(viewer, 'viewer-tooltip')[0];
self.player = getByClass(viewer, 'viewer-player')[0];
self.list = getByClass(viewer, 'viewer-list')[0];
addClass(title, !options.title ? 'viewer-hide' : getResponsiveClass(options.title));
addClass(toolbar, !options.toolbar ? 'viewer-hide' : getResponsiveClass(options.toolbar));
addClass(navbar, !options.navbar ? 'viewer-hide' : getResponsiveClass(options.navbar));
toggleClass(button, 'viewer-hide', !options.button);
toggleClass(toolbar.querySelector('.viewer-one-to-one'), 'viewer-invisible', !options.zoomable);
toggleClass(toolbar.querySelectorAll('li[class*="zoom"]'), 'viewer-invisible', !options.zoomable);
toggleClass(toolbar.querySelectorAll('li[class*="flip"]'), 'viewer-invisible', !options.scalable);
if (!options.rotatable) {
var rotates = toolbar.querySelectorAll('li[class*="rotate"]');
addClass(rotates, 'viewer-invisible');
appendChild(toolbar, rotates);
}
if (options.inline) {
addClass(button, 'viewer-fullscreen');
setStyle(viewer, {
zIndex: options.zIndexInline
});
if (getStyle(parent).position === 'static') {
setStyle(parent, {
position: 'relative'
});
}
parent.insertBefore(viewer, element.nextSibling);
} else {
addClass(button, 'viewer-close');
addClass(viewer, 'viewer-fixed');
addClass(viewer, 'viewer-fade');
addClass(viewer, 'viewer-hide');
setStyle(viewer, {
zIndex: options.zIndex
});
document.body.appendChild(viewer);
}
if (options.inline) {
self.render();
self.bind();
self.visible = true;
}
self.ready = true;
dispatchEvent(element, 'ready');
}
}, {
key: 'unbuild',
value: function unbuild() {
var self = this;
if (!self.ready) {
return;
}
self.ready = false;
removeChild(self.viewer);
}
}], [{
key: 'noConflict',
value: function noConflict() {
window.Viewer = AnotherViewer;
return Viewer;
}
}, {
key: 'setDefaults',
value: function setDefaults(options) {
extend(DEFAULTS, isPlainObject(options) && options);
}
}]);
return Viewer;
}();
extend(Viewer.prototype, render$1);
extend(Viewer.prototype, events);
extend(Viewer.prototype, handlers);
extend(Viewer.prototype, methods);
extend(Viewer.prototype, others);
if (typeof window !== 'undefined') {
AnotherViewer = window.Viewer;
window.Viewer = Viewer;
}
module.exports = Viewer;