mirror of
https://github.com/fengyuanchen/viewerjs.git
synced 2026-01-25 15:23:40 +00:00
2719 lines
67 KiB
JavaScript
2719 lines
67 KiB
JavaScript
/*!
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* Viewer.js v0.9.0
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* https://github.com/fengyuanchen/viewerjs
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*
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* Copyright (c) 2015-2017 Chen Fengyuan
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* Released under the MIT license
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*
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* Date: 2017-11-04T13:54:03.954Z
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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typeof define === 'function' && define.amd ? define(factory) :
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(global.Viewer = factory());
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}(this, (function () { 'use strict';
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var DEFAULTS = {
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// Enable inline mode
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inline: false,
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// Show the button on the top-right of the viewer
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button: true,
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// Show the navbar
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navbar: true,
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// Show the title
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title: true,
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// Show the toolbar
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toolbar: true,
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// Show the tooltip with image ratio (percentage) when zoom in or zoom out
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tooltip: true,
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// Enable to move the image
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movable: true,
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// Enable to zoom the image
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zoomable: true,
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// Enable to rotate the image
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rotatable: true,
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// Enable to scale the image
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scalable: true,
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// Enable CSS3 Transition for some special elements
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transition: true,
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// Enable to request fullscreen when play
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fullscreen: true,
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// Enable keyboard support
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keyboard: true,
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// Define interval of each image when playing
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interval: 5000,
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// Min width of the viewer in inline mode
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minWidth: 200,
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// Min height of the viewer in inline mode
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minHeight: 100,
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// Define the ratio when zoom the image by wheeling mouse
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zoomRatio: 0.1,
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// Define the min ratio of the image when zoom out
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minZoomRatio: 0.01,
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// Define the max ratio of the image when zoom in
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maxZoomRatio: 100,
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// Define the CSS `z-index` value of viewer in modal mode.
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zIndex: 2015,
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// Define the CSS `z-index` value of viewer in inline mode.
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zIndexInline: 0,
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// Define where to get the original image URL for viewing
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// Type: String (an image attribute) or Function (should return an image URL)
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url: 'src',
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// Filter the images for viewing.
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// Type: Function (return true if the image is viewable)
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filter: null,
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// Event shortcuts
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ready: null,
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show: null,
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shown: null,
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hide: null,
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hidden: null,
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view: null,
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viewed: null
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};
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var TEMPLATE = '<div class="viewer-container">' + '<div class="viewer-canvas"></div>' + '<div class="viewer-footer">' + '<div class="viewer-title"></div>' + '<div class="viewer-toolbar"></div>' + '<div class="viewer-navbar">' + '<ul class="viewer-list"></ul>' + '</div>' + '</div>' + '<div class="viewer-tooltip"></div>' + '<div role="button" class="viewer-button" data-action="mix"></div>' + '<div class="viewer-player"></div>' + '</div>';
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var WINDOW = typeof window !== 'undefined' ? window : {};
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var NAMESPACE = 'viewer';
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// Actions
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var ACTION_MOVE = 'move';
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var ACTION_SWITCH = 'switch';
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var ACTION_ZOOM = 'zoom';
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// Classes
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var CLASS_ACTIVE = NAMESPACE + '-active';
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var CLASS_CLOSE = NAMESPACE + '-close';
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var CLASS_FADE = NAMESPACE + '-fade';
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var CLASS_FIXED = NAMESPACE + '-fixed';
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var CLASS_FULLSCREEN = NAMESPACE + '-fullscreen';
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var CLASS_FULLSCREEN_EXIT = NAMESPACE + '-fullscreen-exit';
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var CLASS_HIDE = NAMESPACE + '-hide';
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var CLASS_HIDE_MD_DOWN = NAMESPACE + '-hide-md-down';
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var CLASS_HIDE_SM_DOWN = NAMESPACE + '-hide-sm-down';
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var CLASS_HIDE_XS_DOWN = NAMESPACE + '-hide-xs-down';
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var CLASS_IN = NAMESPACE + '-in';
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var CLASS_INVISIBLE = NAMESPACE + '-invisible';
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var CLASS_MOVE = NAMESPACE + '-move';
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var CLASS_OPEN = NAMESPACE + '-open';
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var CLASS_SHOW = NAMESPACE + '-show';
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var CLASS_TRANSITION = NAMESPACE + '-transition';
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// Events
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var EVENT_READY = 'ready';
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var EVENT_SHOW = 'show';
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var EVENT_SHOWN = 'shown';
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var EVENT_HIDE = 'hide';
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var EVENT_HIDDEN = 'hidden';
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var EVENT_VIEW = 'view';
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var EVENT_VIEWED = 'viewed';
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var EVENT_CLICK = 'click';
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var EVENT_DRAG_START = 'dragstart';
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var EVENT_KEY_DOWN = 'keydown';
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var EVENT_LOAD = 'load';
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var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
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var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'mousemove touchmove';
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var EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup';
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var EVENT_RESIZE = 'resize';
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var EVENT_TRANSITION_END = 'transitionend';
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var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
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var BUTTONS = ['zoom-in', 'zoom-out', 'one-to-one', 'reset', 'prev', 'play', 'next', 'rotate-left', 'rotate-right', 'flip-horizontal', 'flip-vertical'];
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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; };
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/**
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* Check if the given value is a string.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is a string, else `false`.
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*/
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function isString(value) {
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return typeof value === 'string';
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}
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/**
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* Check if the given value is not a number.
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*/
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var isNaN = Number.isNaN || WINDOW.isNaN;
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/**
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* Check if the given value is a number.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is a number, else `false`.
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*/
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function isNumber(value) {
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return typeof value === 'number' && !isNaN(value);
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}
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/**
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* Check if the given value is undefined.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is undefined, else `false`.
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*/
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function isUndefined(value) {
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return typeof value === 'undefined';
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}
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/**
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* Check if the given value is an object.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is an object, else `false`.
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*/
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function isObject(value) {
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return (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null;
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}
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var hasOwnProperty = Object.prototype.hasOwnProperty;
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/**
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* Check if the given value is a plain object.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
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*/
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function isPlainObject(value) {
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if (!isObject(value)) {
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return false;
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}
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try {
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var _constructor = value.constructor;
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var prototype = _constructor.prototype;
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return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
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} catch (e) {
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return false;
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}
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}
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/**
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* Check if the given value is a function.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is a function, else `false`.
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*/
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function isFunction(value) {
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return typeof value === 'function';
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}
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/**
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* Iterate the given data.
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* @param {*} data - The data to iterate.
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* @param {Function} callback - The process function for each element.
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* @returns {*} The original data.
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*/
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function each(data, callback) {
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if (data && isFunction(callback)) {
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if (Array.isArray(data) || isNumber(data.length) /* array-like */) {
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var length = data.length;
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var i = void 0;
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for (i = 0; i < length; i += 1) {
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if (callback.call(data, data[i], i, data) === false) {
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break;
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}
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}
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} else if (isObject(data)) {
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Object.keys(data).forEach(function (key) {
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callback.call(data, data[key], key, data);
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});
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}
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}
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return data;
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}
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/**
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* Extend the given object.
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* @param {*} obj - The object to be extended.
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* @param {*} args - The rest objects which will be merged to the first object.
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* @returns {Object} The extended object.
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*/
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function extend(obj) {
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for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
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args[_key - 1] = arguments[_key];
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}
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if (isObject(obj) && args.length > 0) {
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if (Object.assign) {
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return Object.assign.apply(Object, [obj].concat(args));
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}
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args.forEach(function (arg) {
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if (isObject(arg)) {
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Object.keys(arg).forEach(function (key) {
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obj[key] = arg[key];
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});
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}
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});
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}
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return obj;
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}
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/**
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* Takes a function and returns a new one that will always have a particular context.
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* @param {Function} fn - The target function.
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||
* @param {Object} context - The new context for the function.
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* @returns {Function} The new function.
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*/
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function proxy(fn, context) {
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for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
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args[_key2 - 2] = arguments[_key2];
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}
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return function () {
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for (var _len3 = arguments.length, args2 = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
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args2[_key3] = arguments[_key3];
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}
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return fn.apply(context, args.concat(args2));
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};
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}
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var REGEXP_SUFFIX = /^(width|height|left|top|marginLeft|marginTop)$/;
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/**
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* Apply styles to the given element.
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* @param {Element} element - The target element.
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* @param {Object} styles - The styles for applying.
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*/
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function setStyle(element, styles) {
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var style = element.style;
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each(styles, function (value, property) {
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if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
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value += 'px';
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}
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style[property] = value;
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});
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}
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/**
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* Get the styles from the given element.
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* @param {Element} element - The target element.
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* @returns {Object} The styles of the element.
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*/
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function getStyle(element) {
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return window.getComputedStyle ? window.getComputedStyle(element, null) : element.currentStyle;
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}
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||
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||
/**
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* Check if the given element has a special class.
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||
* @param {Element} element - The element to check.
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||
* @param {string} value - The class to search.
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||
* @returns {boolean} Returns `true` if the special class was found.
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||
*/
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||
function hasClass(element, value) {
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return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
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}
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/**
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* Add classes to the given element.
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||
* @param {Element} element - The target element.
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||
* @param {string} value - The classes to be added.
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||
*/
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||
function addClass(element, value) {
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if (!value) {
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return;
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||
}
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||
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if (isNumber(element.length)) {
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each(element, function (elem) {
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addClass(elem, value);
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||
});
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||
return;
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||
}
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||
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||
if (element.classList) {
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||
element.classList.add(value);
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||
return;
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||
}
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||
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||
var className = element.className.trim();
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||
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if (!className) {
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||
element.className = value;
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||
} else if (className.indexOf(value) < 0) {
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||
element.className = className + ' ' + value;
|
||
}
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||
}
|
||
|
||
/**
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||
* Remove classes from the given element.
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||
* @param {Element} element - The target element.
|
||
* @param {string} value - The classes to be removed.
|
||
*/
|
||
function removeClass(element, value) {
|
||
if (!value) {
|
||
return;
|
||
}
|
||
|
||
if (isNumber(element.length)) {
|
||
each(element, function (elem) {
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||
removeClass(elem, value);
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||
});
|
||
return;
|
||
}
|
||
|
||
if (element.classList) {
|
||
element.classList.remove(value);
|
||
return;
|
||
}
|
||
|
||
if (element.className.indexOf(value) >= 0) {
|
||
element.className = element.className.replace(value, '');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Add or remove classes from the given element.
|
||
* @param {Element} element - The target element.
|
||
* @param {string} value - The classes to be toggled.
|
||
* @param {boolean} added - Add only.
|
||
*/
|
||
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);
|
||
}
|
||
}
|
||
|
||
var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
|
||
|
||
/**
|
||
* Hyphenate the given value.
|
||
* @param {string} value - The value to hyphenate.
|
||
* @returns {string} The hyphenated value.
|
||
*/
|
||
function hyphenate(value) {
|
||
return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase();
|
||
}
|
||
|
||
/**
|
||
* Get data from the given element.
|
||
* @param {Element} element - The target element.
|
||
* @param {string} name - The data key to get.
|
||
* @returns {string} The data value.
|
||
*/
|
||
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));
|
||
}
|
||
|
||
/**
|
||
* Set data to the given element.
|
||
* @param {Element} element - The target element.
|
||
* @param {string} name - The data key to set.
|
||
* @param {string} data - The data value.
|
||
*/
|
||
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);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Remove data from the given element.
|
||
* @param {Element} element - The target element.
|
||
* @param {string} name - The data key to remove.
|
||
*/
|
||
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));
|
||
}
|
||
}
|
||
|
||
var REGEXP_SPACES = /\s+/;
|
||
|
||
/**
|
||
* Remove event listener from the target element.
|
||
* @param {Element} element - The event target.
|
||
* @param {string} type - The event type(s).
|
||
* @param {Function} listener - The event listener.
|
||
* @param {Object} options - The event options.
|
||
*/
|
||
function removeListener(element, type, listener) {
|
||
var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
|
||
|
||
if (!isFunction(listener)) {
|
||
return;
|
||
}
|
||
|
||
var types = type.trim().split(REGEXP_SPACES);
|
||
|
||
if (types.length > 1) {
|
||
each(types, function (t) {
|
||
removeListener(element, t, listener, options);
|
||
});
|
||
return;
|
||
}
|
||
|
||
if (element.removeEventListener) {
|
||
element.removeEventListener(type, listener, options);
|
||
} else if (element.detachEvent) {
|
||
element.detachEvent('on' + type, listener);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Add event listener to the target element.
|
||
* @param {Element} element - The event target.
|
||
* @param {string} type - The event type(s).
|
||
* @param {Function} listener - The event listener.
|
||
* @param {Object} options - The event options.
|
||
*/
|
||
function addListener(element, type, _listener) {
|
||
var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};
|
||
|
||
if (!isFunction(_listener)) {
|
||
return;
|
||
}
|
||
|
||
var types = type.trim().split(REGEXP_SPACES);
|
||
|
||
if (types.length > 1) {
|
||
each(types, function (t) {
|
||
addListener(element, t, _listener, options);
|
||
});
|
||
return;
|
||
}
|
||
|
||
if (options.once) {
|
||
var originalListener = _listener;
|
||
|
||
_listener = function listener() {
|
||
for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
|
||
args[_key4] = arguments[_key4];
|
||
}
|
||
|
||
removeListener(element, type, _listener, options);
|
||
return originalListener.apply(element, args);
|
||
};
|
||
}
|
||
|
||
if (element.addEventListener) {
|
||
element.addEventListener(type, _listener, options);
|
||
} else if (element.attachEvent) {
|
||
element.attachEvent('on' + type, _listener);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Dispatch event on the target element.
|
||
* @param {Element} element - The event target.
|
||
* @param {string} type - The event type(s).
|
||
* @param {Object} data - The additional event data.
|
||
* @returns {boolean} Indicate if the event is default prevented or not.
|
||
*/
|
||
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;
|
||
}
|
||
|
||
/**
|
||
* Get the offset base on the document.
|
||
* @param {Element} element - The target element.
|
||
* @returns {Object} The offset data.
|
||
*/
|
||
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))
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Empty an element.
|
||
* @param {Element} element - The element to empty.
|
||
*/
|
||
function empty(element) {
|
||
while (element.firstChild) {
|
||
element.removeChild(element.firstChild);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Get transforms base on the given object.
|
||
* @param {Object} obj - The target object.
|
||
* @returns {string} A string contains transform values.
|
||
*/
|
||
function getTransforms(_ref) {
|
||
var rotate = _ref.rotate,
|
||
scaleX = _ref.scaleX,
|
||
scaleY = _ref.scaleY;
|
||
|
||
var values = [];
|
||
|
||
if (isNumber(rotate) && rotate !== 0) {
|
||
values.push('rotate(' + rotate + 'deg)');
|
||
}
|
||
|
||
if (isNumber(scaleX) && scaleX !== 1) {
|
||
values.push('scaleX(' + scaleX + ')');
|
||
}
|
||
|
||
if (isNumber(scaleY) && scaleY !== 1) {
|
||
values.push('scaleY(' + scaleY + ')');
|
||
}
|
||
|
||
var transform = values.length ? values.join(' ') : 'none';
|
||
|
||
return {
|
||
WebkitTransform: transform,
|
||
msTransform: transform,
|
||
transform: transform
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Get an image name from an image url.
|
||
* @param {string} url - The target url.
|
||
* @example
|
||
* // picture.jpg
|
||
* getImageNameFromURL('http://domain.com/path/to/picture.jpg?size=1280×960')
|
||
* @returns {string} A string contains the image name.
|
||
*/
|
||
function getImageNameFromURL(url) {
|
||
return isString(url) ? url.replace(/^.*\//, '').replace(/[?&#].*$/, '') : '';
|
||
}
|
||
|
||
var navigator = WINDOW.navigator;
|
||
|
||
var IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);
|
||
|
||
/**
|
||
* Get an image's natural sizes.
|
||
* @param {string} image - The target image.
|
||
* @param {Function} callback - The callback function.
|
||
*/
|
||
function getImageNaturalSizes(image, callback) {
|
||
// Modern browsers (except Safari)
|
||
if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
|
||
callback(image.naturalWidth, image.naturalHeight);
|
||
return;
|
||
}
|
||
|
||
var newImage = document.createElement('img');
|
||
|
||
newImage.onload = function () {
|
||
callback(newImage.width, newImage.height);
|
||
};
|
||
|
||
newImage.src = image.src;
|
||
}
|
||
|
||
/**
|
||
* Get the related class name of a responsive type number.
|
||
* @param {string} type - The responsive type.
|
||
* @returns {string} The related class name.
|
||
*/
|
||
function getResponsiveClass(type) {
|
||
switch (type) {
|
||
case 2:
|
||
return CLASS_HIDE_XS_DOWN;
|
||
|
||
case 3:
|
||
return CLASS_HIDE_SM_DOWN;
|
||
|
||
case 4:
|
||
return CLASS_HIDE_MD_DOWN;
|
||
|
||
default:
|
||
return '';
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Get the max ratio of a group of pointers.
|
||
* @param {string} pointers - The target pointers.
|
||
* @returns {number} The result ratio.
|
||
*/
|
||
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];
|
||
}
|
||
|
||
/**
|
||
* Get a pointer from an event object.
|
||
* @param {Object} event - The target event object.
|
||
* @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
|
||
* @returns {Object} The result pointer contains start and/or end point coordinates.
|
||
*/
|
||
function getPointer(_ref2, endOnly) {
|
||
var pageX = _ref2.pageX,
|
||
pageY = _ref2.pageY;
|
||
|
||
var end = {
|
||
endX: pageX,
|
||
endY: pageY
|
||
};
|
||
|
||
if (endOnly) {
|
||
return end;
|
||
}
|
||
|
||
return extend({
|
||
startX: pageX,
|
||
startY: pageY
|
||
}, end);
|
||
}
|
||
|
||
/**
|
||
* Get the center point coordinate of a group of pointers.
|
||
* @param {Object} pointers - The target pointers.
|
||
* @returns {Object} The center point coordinate.
|
||
*/
|
||
function getPointersCenter(pointers) {
|
||
var pageX = 0;
|
||
var pageY = 0;
|
||
var count = 0;
|
||
|
||
each(pointers, function (_ref3) {
|
||
var startX = _ref3.startX,
|
||
startY = _ref3.startY;
|
||
|
||
pageX += startX;
|
||
pageY += startY;
|
||
count += 1;
|
||
});
|
||
|
||
pageX /= count;
|
||
pageY /= count;
|
||
|
||
return {
|
||
pageX: pageX,
|
||
pageY: pageY
|
||
};
|
||
}
|
||
|
||
var render = {
|
||
render: function render() {
|
||
this.initContainer();
|
||
this.initViewer();
|
||
this.initList();
|
||
this.renderViewer();
|
||
},
|
||
initContainer: function initContainer() {
|
||
this.containerData = {
|
||
width: window.innerWidth,
|
||
height: window.innerHeight
|
||
};
|
||
},
|
||
initViewer: function initViewer() {
|
||
var options = this.options,
|
||
parent = this.parent;
|
||
|
||
var viewerData = void 0;
|
||
|
||
if (options.inline) {
|
||
viewerData = {
|
||
width: Math.max(parent.offsetWidth, options.minWidth),
|
||
height: Math.max(parent.offsetHeight, options.minHeight)
|
||
};
|
||
|
||
this.parentData = viewerData;
|
||
}
|
||
|
||
if (this.fulled || !viewerData) {
|
||
viewerData = this.containerData;
|
||
}
|
||
|
||
this.viewerData = extend({}, viewerData);
|
||
},
|
||
renderViewer: function renderViewer() {
|
||
if (this.options.inline && !this.fulled) {
|
||
setStyle(this.viewer, this.viewerData);
|
||
}
|
||
},
|
||
initList: function initList() {
|
||
var _this = this;
|
||
|
||
var element = this.element,
|
||
options = this.options,
|
||
list = this.list;
|
||
|
||
var items = [];
|
||
|
||
each(this.images, function (image, i) {
|
||
var src = image.src;
|
||
|
||
var alt = image.alt || getImageNameFromURL(src);
|
||
var url = options.url;
|
||
|
||
|
||
if (isString(url)) {
|
||
url = image.getAttribute(url);
|
||
} else if (isFunction(url)) {
|
||
url = url.call(image, image);
|
||
}
|
||
|
||
if (src || url) {
|
||
items.push('<li>' + '<img' + (' src="' + (src || url) + '"') + ' role="button"' + ' data-action="view"' + (' data-index="' + i + '"') + (' data-original-url="' + (url || src) + '"') + (' alt="' + alt + '"') + '>' + '</li>');
|
||
}
|
||
});
|
||
|
||
list.innerHTML = items.join('');
|
||
|
||
each(list.getElementsByTagName('img'), function (image) {
|
||
setData(image, 'filled', true);
|
||
addListener(image, EVENT_LOAD, proxy(_this.loadImage, _this), {
|
||
once: true
|
||
});
|
||
});
|
||
|
||
this.items = list.getElementsByTagName('li');
|
||
|
||
if (options.transition) {
|
||
addListener(element, EVENT_VIEWED, function () {
|
||
addClass(list, CLASS_TRANSITION);
|
||
}, {
|
||
once: true
|
||
});
|
||
}
|
||
},
|
||
renderList: function renderList(index) {
|
||
var i = index || this.index;
|
||
var width = this.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(this.list, {
|
||
width: outerWidth * this.length,
|
||
marginLeft: (this.viewerData.width - width) / 2 - outerWidth * i
|
||
});
|
||
},
|
||
resetList: function resetList() {
|
||
empty(this.list);
|
||
removeClass(this.list, CLASS_TRANSITION);
|
||
setStyle({
|
||
marginLeft: 0
|
||
});
|
||
},
|
||
initImage: function initImage(callback) {
|
||
var _this2 = this;
|
||
|
||
var options = this.options,
|
||
image = this.image,
|
||
viewerData = this.viewerData;
|
||
|
||
var footerHeight = this.footer.offsetHeight;
|
||
var viewerWidth = viewerData.width;
|
||
var viewerHeight = Math.max(viewerData.height - footerHeight, footerHeight);
|
||
var oldImageData = this.ImageData || {};
|
||
|
||
getImageNaturalSizes(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;
|
||
}
|
||
|
||
_this2.imageData = imageData;
|
||
_this2.initialImageData = initialImageData;
|
||
|
||
if (isFunction(callback)) {
|
||
callback();
|
||
}
|
||
});
|
||
},
|
||
renderImage: function renderImage(callback) {
|
||
var image = this.image,
|
||
imageData = this.imageData;
|
||
|
||
|
||
setStyle(image, extend({
|
||
width: imageData.width,
|
||
height: imageData.height,
|
||
marginLeft: imageData.left,
|
||
marginTop: imageData.top
|
||
}, getTransforms(imageData)));
|
||
|
||
if (isFunction(callback)) {
|
||
if (this.transitioning) {
|
||
addListener(image, EVENT_TRANSITION_END, callback, {
|
||
once: true
|
||
});
|
||
} else {
|
||
callback();
|
||
}
|
||
}
|
||
},
|
||
resetImage: function resetImage() {
|
||
var image = this.image;
|
||
|
||
// this.image only defined after viewed
|
||
|
||
if (image) {
|
||
image.parentNode.removeChild(image);
|
||
this.image = null;
|
||
}
|
||
}
|
||
};
|
||
|
||
var events = {
|
||
bind: function bind() {
|
||
var element = this.element,
|
||
options = this.options,
|
||
viewer = this.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, this.onClick = proxy(this.click, this));
|
||
addListener(viewer, EVENT_WHEEL, this.onWheel = proxy(this.wheel, this));
|
||
addListener(viewer, EVENT_DRAG_START, this.onDragStart = proxy(this.dragstart, this));
|
||
addListener(this.canvas, EVENT_POINTER_DOWN, this.onPointerDown = proxy(this.pointerdown, this));
|
||
addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onPointerMove = proxy(this.pointermove, this));
|
||
addListener(element.ownerDocument, EVENT_POINTER_UP, this.onPointerUp = proxy(this.pointerup, this));
|
||
addListener(element.ownerDocument, EVENT_KEY_DOWN, this.onKeyDown = proxy(this.keydown, this));
|
||
addListener(window, EVENT_RESIZE, this.onResize = proxy(this.resize, this));
|
||
},
|
||
unbind: function unbind() {
|
||
var element = this.element,
|
||
options = this.options,
|
||
viewer = this.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, this.onClick);
|
||
removeListener(viewer, EVENT_WHEEL, this.onWheel);
|
||
removeListener(viewer, EVENT_DRAG_START, this.onDragStart);
|
||
removeListener(this.canvas, EVENT_POINTER_DOWN, this.onPointerDown);
|
||
removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onPointerMove);
|
||
removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onPointerUp);
|
||
removeListener(element.ownerDocument, EVENT_KEY_DOWN, this.onKeyDown);
|
||
removeListener(window, EVENT_RESIZE, this.onResize);
|
||
}
|
||
};
|
||
|
||
var handlers = {
|
||
click: function click(_ref) {
|
||
var target = _ref.target;
|
||
var imageData = this.imageData;
|
||
|
||
var action = getData(target, 'action');
|
||
|
||
switch (action) {
|
||
case 'mix':
|
||
if (this.played) {
|
||
this.stop();
|
||
} else if (this.options.inline) {
|
||
if (this.fulled) {
|
||
this.exit();
|
||
} else {
|
||
this.full();
|
||
}
|
||
} else {
|
||
this.hide();
|
||
}
|
||
|
||
break;
|
||
|
||
case 'view':
|
||
this.view(getData(target, 'index'));
|
||
break;
|
||
|
||
case 'zoom-in':
|
||
this.zoom(0.1, true);
|
||
break;
|
||
|
||
case 'zoom-out':
|
||
this.zoom(-0.1, true);
|
||
break;
|
||
|
||
case 'one-to-one':
|
||
this.toggle();
|
||
break;
|
||
|
||
case 'reset':
|
||
this.reset();
|
||
break;
|
||
|
||
case 'prev':
|
||
this.prev();
|
||
break;
|
||
|
||
case 'play':
|
||
this.play();
|
||
break;
|
||
|
||
case 'next':
|
||
this.next();
|
||
break;
|
||
|
||
case 'rotate-left':
|
||
this.rotate(-90);
|
||
break;
|
||
|
||
case 'rotate-right':
|
||
this.rotate(90);
|
||
break;
|
||
|
||
case 'flip-horizontal':
|
||
this.scaleX(-imageData.scaleX || -1);
|
||
break;
|
||
|
||
case 'flip-vertical':
|
||
this.scaleY(-imageData.scaleY || -1);
|
||
break;
|
||
|
||
default:
|
||
if (this.played) {
|
||
this.stop();
|
||
}
|
||
}
|
||
},
|
||
load: function load() {
|
||
var _this = this;
|
||
|
||
var options = this.options,
|
||
image = this.image,
|
||
index = this.index,
|
||
viewerData = this.viewerData;
|
||
|
||
|
||
if (this.timeout) {
|
||
clearTimeout(this.timeout);
|
||
this.timeout = false;
|
||
}
|
||
|
||
if (!image) {
|
||
return;
|
||
}
|
||
|
||
removeClass(image, CLASS_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;';
|
||
|
||
this.initImage(function () {
|
||
toggleClass(image, CLASS_TRANSITION, options.transition);
|
||
toggleClass(image, CLASS_MOVE, options.movable);
|
||
|
||
_this.renderImage(function () {
|
||
_this.viewed = true;
|
||
dispatchEvent(_this.element, EVENT_VIEWED, {
|
||
originalImage: _this.images[index],
|
||
index: index,
|
||
image: image
|
||
});
|
||
});
|
||
});
|
||
},
|
||
loadImage: function loadImage(e) {
|
||
var image = e.target;
|
||
var parent = image.parentNode;
|
||
var parentWidth = parent.offsetWidth || 30;
|
||
var parentHeight = parent.offsetHeight || 50;
|
||
var filled = !!getData(image, 'filled');
|
||
|
||
getImageNaturalSizes(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
|
||
});
|
||
});
|
||
},
|
||
keydown: function keydown(e) {
|
||
var options = this.options;
|
||
|
||
var key = e.keyCode || e.which || e.charCode;
|
||
|
||
if (!this.fulled || !options.keyboard) {
|
||
return;
|
||
}
|
||
|
||
switch (key) {
|
||
// (Key: Esc)
|
||
case 27:
|
||
if (this.played) {
|
||
this.stop();
|
||
} else if (options.inline) {
|
||
if (this.fulled) {
|
||
this.exit();
|
||
}
|
||
} else {
|
||
this.hide();
|
||
}
|
||
|
||
break;
|
||
|
||
// (Key: Space)
|
||
case 32:
|
||
if (this.played) {
|
||
this.stop();
|
||
}
|
||
|
||
break;
|
||
|
||
// View previous (Key: ←)
|
||
case 37:
|
||
this.prev();
|
||
break;
|
||
|
||
// Zoom in (Key: ↑)
|
||
case 38:
|
||
|
||
// Prevent scroll on Firefox
|
||
e.preventDefault();
|
||
|
||
this.zoom(options.zoomRatio, true);
|
||
break;
|
||
|
||
// View next (Key: →)
|
||
case 39:
|
||
this.next();
|
||
break;
|
||
|
||
// Zoom out (Key: ↓)
|
||
case 40:
|
||
|
||
// Prevent scroll on Firefox
|
||
e.preventDefault();
|
||
|
||
this.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();
|
||
this.toggle();
|
||
}
|
||
|
||
break;
|
||
|
||
default:
|
||
}
|
||
},
|
||
dragstart: function dragstart(e) {
|
||
if (e.target.tagName.toLowerCase() === 'img') {
|
||
e.preventDefault();
|
||
}
|
||
},
|
||
pointerdown: function pointerdown(e) {
|
||
var options = this.options,
|
||
pointers = this.pointers;
|
||
|
||
|
||
if (!this.viewed || this.transitioning) {
|
||
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 ? ACTION_MOVE : false;
|
||
|
||
if (Object.keys(pointers).length > 1) {
|
||
action = ACTION_ZOOM;
|
||
} else if ((e.pointerType === 'touch' || e.type === 'touchmove') && this.isSwitchable()) {
|
||
action = ACTION_SWITCH;
|
||
}
|
||
|
||
this.action = action;
|
||
},
|
||
pointermove: function pointermove(e) {
|
||
var options = this.options,
|
||
pointers = this.pointers,
|
||
action = this.action,
|
||
image = this.image;
|
||
|
||
|
||
if (!this.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 === ACTION_MOVE && options.transition && hasClass(image, CLASS_TRANSITION)) {
|
||
removeClass(image, CLASS_TRANSITION);
|
||
}
|
||
|
||
this.change(e);
|
||
},
|
||
pointerup: function pointerup(e) {
|
||
var action = this.action,
|
||
pointers = this.pointers;
|
||
|
||
|
||
if (e.changedTouches) {
|
||
each(e.changedTouches, function (touch) {
|
||
delete pointers[touch.identifier];
|
||
});
|
||
} else {
|
||
delete pointers[e.pointerId || 0];
|
||
}
|
||
|
||
if (!action) {
|
||
return;
|
||
}
|
||
|
||
if (action === ACTION_MOVE && this.options.transition) {
|
||
addClass(this.image, CLASS_TRANSITION);
|
||
}
|
||
|
||
this.action = false;
|
||
},
|
||
resize: function resize() {
|
||
var _this2 = this;
|
||
|
||
this.initContainer();
|
||
this.initViewer();
|
||
this.renderViewer();
|
||
this.renderList();
|
||
|
||
if (this.viewed) {
|
||
this.initImage(function () {
|
||
_this2.renderImage();
|
||
});
|
||
}
|
||
|
||
if (this.played) {
|
||
if (this.options.fullscreen && this.fulled && !document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) {
|
||
this.stop();
|
||
return;
|
||
}
|
||
|
||
each(this.player.getElementsByTagName('img'), function (image) {
|
||
addListener(image, EVENT_LOAD, proxy(_this2.loadImage, _this2), {
|
||
once: true
|
||
});
|
||
dispatchEvent(image, EVENT_LOAD);
|
||
});
|
||
}
|
||
},
|
||
start: function start(_ref2) {
|
||
var target = _ref2.target;
|
||
|
||
if (target.tagName.toLowerCase() === 'img' && this.images.indexOf(target) !== -1) {
|
||
this.target = target;
|
||
this.show();
|
||
}
|
||
},
|
||
wheel: function wheel(e) {
|
||
var _this3 = this;
|
||
|
||
if (!this.viewed) {
|
||
return;
|
||
}
|
||
|
||
e.preventDefault();
|
||
|
||
// Limit wheel speed to prevent zoom too fast
|
||
if (this.wheeling) {
|
||
return;
|
||
}
|
||
|
||
this.wheeling = true;
|
||
|
||
setTimeout(function () {
|
||
_this3.wheeling = false;
|
||
}, 50);
|
||
|
||
var ratio = Number(this.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;
|
||
}
|
||
|
||
this.zoom(-delta * ratio, true, e);
|
||
}
|
||
};
|
||
|
||
function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
|
||
|
||
var methods = {
|
||
// Show the viewer (only available in modal mode)
|
||
show: function show() {
|
||
var _this = this;
|
||
|
||
var element = this.element,
|
||
options = this.options;
|
||
|
||
|
||
if (options.inline || this.transitioning || this.visible) {
|
||
return this;
|
||
}
|
||
|
||
if (!this.ready) {
|
||
this.build();
|
||
}
|
||
|
||
if (isFunction(options.show)) {
|
||
addListener(element, EVENT_SHOW, options.show, {
|
||
once: true
|
||
});
|
||
}
|
||
|
||
if (dispatchEvent(element, EVENT_SHOW) === false) {
|
||
return this;
|
||
}
|
||
|
||
this.open();
|
||
|
||
var viewer = this.viewer;
|
||
|
||
|
||
removeClass(viewer, CLASS_HIDE);
|
||
addListener(element, EVENT_SHOWN, function () {
|
||
_this.view(_this.target ? [].concat(_toConsumableArray(_this.images)).indexOf(_this.target) : _this.index);
|
||
_this.target = false;
|
||
}, {
|
||
once: true
|
||
});
|
||
|
||
if (options.transition) {
|
||
this.transitioning = true;
|
||
addClass(viewer, CLASS_TRANSITION);
|
||
|
||
// Force reflow to enable CSS3 transition
|
||
// eslint-disable-next-line
|
||
viewer.offsetWidth;
|
||
addListener(viewer, EVENT_TRANSITION_END, proxy(this.shown, this), {
|
||
once: true
|
||
});
|
||
addClass(viewer, CLASS_IN);
|
||
} else {
|
||
addClass(viewer, CLASS_IN);
|
||
this.shown();
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Hide the viewer (only available in modal mode)
|
||
hide: function hide() {
|
||
var _this2 = this;
|
||
|
||
var element = this.element,
|
||
options = this.options,
|
||
viewer = this.viewer;
|
||
|
||
|
||
if (options.inline || this.transitioning || !this.visible) {
|
||
return this;
|
||
}
|
||
|
||
if (isFunction(options.hide)) {
|
||
addListener(element, EVENT_HIDE, options.hide, {
|
||
once: true
|
||
});
|
||
}
|
||
|
||
if (dispatchEvent(element, EVENT_HIDE) === false) {
|
||
return this;
|
||
}
|
||
|
||
if (this.viewed && options.transition) {
|
||
this.transitioning = true;
|
||
addListener(this.image, EVENT_TRANSITION_END, function () {
|
||
addListener(viewer, EVENT_TRANSITION_END, proxy(_this2.hidden, _this2), {
|
||
once: true
|
||
});
|
||
removeClass(viewer, CLASS_IN);
|
||
}, {
|
||
once: true
|
||
});
|
||
this.zoomTo(0, false, false, true);
|
||
} else {
|
||
removeClass(viewer, CLASS_IN);
|
||
this.hidden();
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* View one of the images with image's index
|
||
* @param {number} index - The index of the image to view.
|
||
* @returns {Object} this
|
||
*/
|
||
view: function view(index) {
|
||
var _this3 = this;
|
||
|
||
var element = this.element,
|
||
title = this.title,
|
||
canvas = this.canvas;
|
||
|
||
|
||
index = Number(index) || 0;
|
||
|
||
if (!this.ready || !this.visible || this.played || index < 0 || index >= this.length || this.viewed && index === this.index) {
|
||
return this;
|
||
}
|
||
|
||
var item = this.items[index];
|
||
var img = item.querySelector('img');
|
||
var url = getData(img, 'originalUrl');
|
||
var alt = img.getAttribute('alt');
|
||
var image = document.createElement('img');
|
||
|
||
image.src = url;
|
||
image.alt = alt;
|
||
|
||
if (dispatchEvent(element, EVENT_VIEW, {
|
||
originalImage: this.images[index],
|
||
index: index,
|
||
image: image
|
||
}) === false) {
|
||
return this;
|
||
}
|
||
|
||
this.image = image;
|
||
|
||
removeClass(this.items[this.index], CLASS_ACTIVE);
|
||
addClass(item, CLASS_ACTIVE);
|
||
|
||
this.viewed = false;
|
||
this.index = index;
|
||
this.imageData = null;
|
||
|
||
addClass(image, CLASS_INVISIBLE);
|
||
empty(canvas);
|
||
canvas.appendChild(image);
|
||
|
||
// Center current item
|
||
this.renderList();
|
||
|
||
// Clear title
|
||
empty(title);
|
||
|
||
// Generate title after viewed
|
||
addListener(element, EVENT_VIEWED, function () {
|
||
var imageData = _this3.imageData;
|
||
|
||
|
||
title.textContent = alt + ' (' + imageData.naturalWidth + ' \xD7 ' + imageData.naturalHeight + ')';
|
||
}, {
|
||
once: true
|
||
});
|
||
|
||
if (image.complete) {
|
||
this.load();
|
||
} else {
|
||
addListener(image, EVENT_LOAD, proxy(this.load, this), {
|
||
once: true
|
||
});
|
||
|
||
if (this.timeout) {
|
||
clearTimeout(this.timeout);
|
||
}
|
||
|
||
// Make the image visible if it fails to load within 1s
|
||
this.timeout = setTimeout(function () {
|
||
removeClass(image, CLASS_INVISIBLE);
|
||
_this3.timeout = false;
|
||
}, 1000);
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* View the previous image
|
||
* @param {boolean} [loop=false] - Indicate if view the last one
|
||
* when it is the first one at present.
|
||
* @returns {Object} this
|
||
*/
|
||
prev: function prev() {
|
||
var loop = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
||
|
||
var index = this.index - 1;
|
||
|
||
if (index < 0) {
|
||
index = loop ? this.length - 1 : 0;
|
||
}
|
||
|
||
this.view(index);
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* View the next image
|
||
* @param {boolean} [loop=false] - Indicate if view the first one
|
||
* when it is the last one at present.
|
||
* @returns {Object} this
|
||
*/
|
||
next: function next() {
|
||
var loop = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
||
|
||
var maxIndex = this.length - 1;
|
||
var index = this.index + 1;
|
||
|
||
if (index > maxIndex) {
|
||
index = loop ? 0 : maxIndex;
|
||
}
|
||
|
||
this.view(index);
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Move the image with relative offsets.
|
||
* @param {number} offsetX - The relative offset distance on the x-axis.
|
||
* @param {number} offsetY - The relative offset distance on the y-axis.
|
||
* @returns {Object} this
|
||
*/
|
||
move: function move(offsetX, offsetY) {
|
||
var imageData = this.imageData;
|
||
|
||
|
||
this.moveTo(isUndefined(offsetX) ? offsetX : imageData.left + Number(offsetX), isUndefined(offsetY) ? offsetY : imageData.top + Number(offsetY));
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Move the image to an absolute point.
|
||
* @param {number} x - The x-axis coordinate.
|
||
* @param {number} [y=x] - The y-axis coordinate.
|
||
* @returns {Object} this
|
||
*/
|
||
moveTo: function moveTo(x) {
|
||
var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;
|
||
var imageData = this.imageData;
|
||
|
||
|
||
x = Number(x);
|
||
y = Number(y);
|
||
|
||
if (this.viewed && !this.played && this.options.movable) {
|
||
var changed = false;
|
||
|
||
if (isNumber(x)) {
|
||
imageData.left = x;
|
||
changed = true;
|
||
}
|
||
|
||
if (isNumber(y)) {
|
||
imageData.top = y;
|
||
changed = true;
|
||
}
|
||
|
||
if (changed) {
|
||
this.renderImage();
|
||
}
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Zoom the image with a relative ratio.
|
||
* @param {number} ratio - The target ratio.
|
||
* @param {boolean} [hasTooltip=false] - Indicates if it has a tooltip or not.
|
||
* @param {Event} [_originalEvent=null] - The original event if any.
|
||
* @returns {Object} this
|
||
*/
|
||
zoom: function zoom(ratio) {
|
||
var hasTooltip = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
|
||
|
||
var _originalEvent = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
|
||
|
||
var imageData = this.imageData;
|
||
|
||
|
||
ratio = Number(ratio);
|
||
|
||
if (ratio < 0) {
|
||
ratio = 1 / (1 - ratio);
|
||
} else {
|
||
ratio = 1 + ratio;
|
||
}
|
||
|
||
this.zoomTo(imageData.width * ratio / imageData.naturalWidth, hasTooltip, _originalEvent);
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Zoom the image to an absolute ratio.
|
||
* @param {number} ratio - The target ratio.
|
||
* @param {boolean} [hasTooltip=false] - Indicates if it has a tooltip or not.
|
||
* @param {Event} [_originalEvent=null] - The original event if any.
|
||
* @param {Event} [_zoomable=false] - Indicates if the current zoom is available or not.
|
||
* @returns {Object} this
|
||
*/
|
||
zoomTo: function zoomTo(ratio) {
|
||
var hasTooltip = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
|
||
|
||
var _originalEvent = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
|
||
|
||
var _zoomable = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
|
||
|
||
var options = this.options,
|
||
pointers = this.pointers,
|
||
imageData = this.imageData;
|
||
|
||
|
||
ratio = Math.max(0, ratio);
|
||
|
||
if (isNumber(ratio) && this.viewed && !this.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 (_originalEvent && ratio > 0.95 && ratio < 1.05) {
|
||
ratio = 1;
|
||
}
|
||
|
||
var newWidth = imageData.naturalWidth * ratio;
|
||
var newHeight = imageData.naturalHeight * ratio;
|
||
|
||
if (_originalEvent) {
|
||
var offset = getOffset(this.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;
|
||
this.renderImage();
|
||
|
||
if (hasTooltip) {
|
||
this.tooltip();
|
||
}
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Rotate the image with a relative degree.
|
||
* @param {number} degree - The rotate degree.
|
||
* @returns {Object} this
|
||
*/
|
||
rotate: function rotate(degree) {
|
||
this.rotateTo((this.imageData.rotate || 0) + Number(degree));
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Rotate the image to an absolute degree.
|
||
* @param {number} degree - The rotate degree.
|
||
* @returns {Object} this
|
||
*/
|
||
rotateTo: function rotateTo(degree) {
|
||
var imageData = this.imageData;
|
||
|
||
|
||
degree = Number(degree);
|
||
|
||
if (isNumber(degree) && this.viewed && !this.played && this.options.rotatable) {
|
||
imageData.rotate = degree;
|
||
this.renderImage();
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Scale the image on the x-axis.
|
||
* @param {number} scaleX - The scale ratio on the x-axis.
|
||
* @returns {Object} this
|
||
*/
|
||
scaleX: function scaleX(_scaleX) {
|
||
this.scale(_scaleX, this.imageData.scaleY);
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Scale the image on the y-axis.
|
||
* @param {number} scaleY - The scale ratio on the y-axis.
|
||
* @returns {Object} this
|
||
*/
|
||
scaleY: function scaleY(_scaleY) {
|
||
this.scale(this.imageData.scaleX, _scaleY);
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
/**
|
||
* Scale the image.
|
||
* @param {number} scaleX - The scale ratio on the x-axis.
|
||
* @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
|
||
* @returns {Object} this
|
||
*/
|
||
scale: function scale(scaleX) {
|
||
var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
|
||
var imageData = this.imageData;
|
||
|
||
|
||
scaleX = Number(scaleX);
|
||
scaleY = Number(scaleY);
|
||
|
||
if (this.viewed && !this.played && this.options.scalable) {
|
||
var changed = false;
|
||
|
||
if (isNumber(scaleX)) {
|
||
imageData.scaleX = scaleX;
|
||
changed = true;
|
||
}
|
||
|
||
if (isNumber(scaleY)) {
|
||
imageData.scaleY = scaleY;
|
||
changed = true;
|
||
}
|
||
|
||
if (changed) {
|
||
this.renderImage();
|
||
}
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Play the images
|
||
play: function play() {
|
||
var _this4 = this;
|
||
|
||
var options = this.options,
|
||
player = this.player;
|
||
|
||
var load = proxy(this.loadImage, this);
|
||
var list = [];
|
||
var total = 0;
|
||
var index = 0;
|
||
|
||
if (!this.visible || this.played) {
|
||
return this;
|
||
}
|
||
|
||
if (options.fullscreen) {
|
||
this.requestFullscreen();
|
||
}
|
||
|
||
this.played = true;
|
||
this.onLoadWhenPlay = load;
|
||
addClass(player, CLASS_SHOW);
|
||
|
||
each(this.items, function (item, i) {
|
||
var img = item.querySelector('img');
|
||
var image = document.createElement('img');
|
||
|
||
image.src = getData(img, 'originalUrl');
|
||
image.alt = img.getAttribute('alt');
|
||
total += 1;
|
||
|
||
addClass(image, CLASS_FADE);
|
||
toggleClass(image, CLASS_TRANSITION, options.transition);
|
||
|
||
if (hasClass(item, CLASS_ACTIVE)) {
|
||
addClass(image, CLASS_IN);
|
||
index = i;
|
||
}
|
||
|
||
list.push(image);
|
||
addListener(image, EVENT_LOAD, load, {
|
||
once: true
|
||
});
|
||
player.appendChild(image);
|
||
});
|
||
|
||
if (isNumber(options.interval) && options.interval > 0) {
|
||
var playing = function playing() {
|
||
_this4.playing = setTimeout(function () {
|
||
removeClass(list[index], CLASS_IN);
|
||
index += 1;
|
||
index = index < total ? index : 0;
|
||
addClass(list[index], CLASS_IN);
|
||
|
||
playing();
|
||
}, options.interval);
|
||
};
|
||
|
||
if (total > 1) {
|
||
playing();
|
||
}
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Stop play
|
||
stop: function stop() {
|
||
var _this5 = this;
|
||
|
||
var player = this.player;
|
||
|
||
|
||
if (!this.played) {
|
||
return this;
|
||
}
|
||
|
||
if (this.options.fullscreen) {
|
||
this.exitFullscreen();
|
||
}
|
||
|
||
this.played = false;
|
||
clearTimeout(this.playing);
|
||
each(this.player.getElementsByTagName('img'), function (image) {
|
||
if (!image.complete) {
|
||
removeListener(image, EVENT_LOAD, _this5.onLoadWhenPlay);
|
||
}
|
||
});
|
||
removeClass(player, CLASS_SHOW);
|
||
empty(player);
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Enter modal mode (only available in inline mode)
|
||
full: function full() {
|
||
var _this6 = this;
|
||
|
||
var options = this.options,
|
||
viewer = this.viewer,
|
||
image = this.image,
|
||
list = this.list;
|
||
|
||
|
||
if (!this.visible || this.played || this.fulled || !options.inline) {
|
||
return this;
|
||
}
|
||
|
||
this.fulled = true;
|
||
this.open();
|
||
addClass(this.button, CLASS_FULLSCREEN_EXIT);
|
||
|
||
if (options.transition) {
|
||
removeClass(image, CLASS_TRANSITION);
|
||
removeClass(list, CLASS_TRANSITION);
|
||
}
|
||
|
||
addClass(viewer, CLASS_FIXED);
|
||
viewer.setAttribute('style', '');
|
||
setStyle(viewer, {
|
||
zIndex: options.zIndex
|
||
});
|
||
|
||
this.initContainer();
|
||
this.viewerData = extend({}, this.containerData);
|
||
this.renderList();
|
||
this.initImage(function () {
|
||
_this6.renderImage(function () {
|
||
if (options.transition) {
|
||
setTimeout(function () {
|
||
addClass(image, CLASS_TRANSITION);
|
||
addClass(list, CLASS_TRANSITION);
|
||
}, 0);
|
||
}
|
||
});
|
||
});
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Exit modal mode (only available in inline mode)
|
||
exit: function exit() {
|
||
var _this7 = this;
|
||
|
||
var options = this.options,
|
||
viewer = this.viewer,
|
||
image = this.image,
|
||
list = this.list;
|
||
|
||
|
||
if (!this.fulled) {
|
||
return this;
|
||
}
|
||
|
||
this.fulled = false;
|
||
this.close();
|
||
removeClass(this.button, CLASS_FULLSCREEN_EXIT);
|
||
|
||
if (options.transition) {
|
||
removeClass(image, CLASS_TRANSITION);
|
||
removeClass(list, CLASS_TRANSITION);
|
||
}
|
||
|
||
removeClass(viewer, CLASS_FIXED);
|
||
setStyle(viewer, {
|
||
zIndex: options.zIndexInline
|
||
});
|
||
|
||
this.viewerData = extend({}, this.parentData);
|
||
this.renderViewer();
|
||
this.renderList();
|
||
this.initImage(function () {
|
||
_this7.renderImage(function () {
|
||
if (options.transition) {
|
||
setTimeout(function () {
|
||
addClass(image, CLASS_TRANSITION);
|
||
addClass(list, CLASS_TRANSITION);
|
||
}, 0);
|
||
}
|
||
});
|
||
});
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Show the current ratio of the image with percentage
|
||
tooltip: function tooltip() {
|
||
var _this8 = this;
|
||
|
||
var options = this.options,
|
||
tooltipBox = this.tooltipBox,
|
||
imageData = this.imageData;
|
||
|
||
|
||
if (!this.viewed || this.played || !options.tooltip) {
|
||
return this;
|
||
}
|
||
|
||
tooltipBox.textContent = Math.round(imageData.ratio * 100) + '%';
|
||
|
||
if (!this.tooltiping) {
|
||
if (options.transition) {
|
||
if (this.fading) {
|
||
dispatchEvent(tooltipBox, EVENT_TRANSITION_END);
|
||
}
|
||
|
||
addClass(tooltipBox, CLASS_SHOW);
|
||
addClass(tooltipBox, CLASS_FADE);
|
||
addClass(tooltipBox, CLASS_TRANSITION);
|
||
|
||
// Force reflow to enable CSS3 transition
|
||
// eslint-disable-next-line
|
||
tooltipBox.offsetWidth;
|
||
addClass(tooltipBox, CLASS_IN);
|
||
} else {
|
||
addClass(tooltipBox, CLASS_SHOW);
|
||
}
|
||
} else {
|
||
clearTimeout(this.tooltiping);
|
||
}
|
||
|
||
this.tooltiping = setTimeout(function () {
|
||
if (options.transition) {
|
||
addListener(tooltipBox, EVENT_TRANSITION_END, function () {
|
||
removeClass(tooltipBox, CLASS_SHOW);
|
||
removeClass(tooltipBox, CLASS_FADE);
|
||
removeClass(tooltipBox, CLASS_TRANSITION);
|
||
_this8.fading = false;
|
||
}, {
|
||
once: true
|
||
});
|
||
|
||
removeClass(tooltipBox, CLASS_IN);
|
||
_this8.fading = true;
|
||
} else {
|
||
removeClass(tooltipBox, CLASS_SHOW);
|
||
}
|
||
|
||
_this8.tooltiping = false;
|
||
}, 1000);
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Toggle the image size between its natural size and initial size
|
||
toggle: function toggle() {
|
||
if (this.imageData.ratio === 1) {
|
||
this.zoomTo(this.initialImageData.ratio, true);
|
||
} else {
|
||
this.zoomTo(1, true);
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Reset the image to its initial state
|
||
reset: function reset() {
|
||
if (this.viewed && !this.played) {
|
||
this.imageData = extend({}, this.initialImageData);
|
||
this.renderImage();
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Update viewer when images changed
|
||
update: function update() {
|
||
var element = this.element,
|
||
options = this.options,
|
||
isImg = this.isImg;
|
||
|
||
var indexes = [];
|
||
|
||
// Destroy viewer if the target image was deleted
|
||
if (isImg && !element.parentNode) {
|
||
return this.destroy();
|
||
}
|
||
|
||
var images = [];
|
||
|
||
each(isImg ? [element] : element.querySelectorAll('img'), function (image) {
|
||
if (options.filter) {
|
||
if (options.filter(image)) {
|
||
images.push(image);
|
||
}
|
||
} else {
|
||
images.push(image);
|
||
}
|
||
});
|
||
|
||
this.images = images;
|
||
this.length = images.length;
|
||
|
||
if (this.ready) {
|
||
each(this.items, function (item, i) {
|
||
var img = item.querySelector('img');
|
||
var image = images[i];
|
||
|
||
if (image) {
|
||
if (image.src !== img.src) {
|
||
indexes.push(i);
|
||
}
|
||
} else {
|
||
indexes.push(i);
|
||
}
|
||
});
|
||
|
||
setStyle(this.list, {
|
||
width: 'auto'
|
||
});
|
||
|
||
this.initList();
|
||
|
||
if (this.visible) {
|
||
if (this.length) {
|
||
if (this.viewed) {
|
||
var index = indexes.indexOf(this.index);
|
||
|
||
if (index >= 0) {
|
||
this.viewed = false;
|
||
this.view(Math.max(this.index - (index + 1), 0));
|
||
} else {
|
||
addClass(this.items[this.index], CLASS_ACTIVE);
|
||
}
|
||
}
|
||
} else {
|
||
this.image = null;
|
||
this.viewed = false;
|
||
this.index = 0;
|
||
this.imageData = null;
|
||
empty(this.canvas);
|
||
empty(this.title);
|
||
}
|
||
}
|
||
}
|
||
|
||
return this;
|
||
},
|
||
|
||
|
||
// Destroy the viewer
|
||
destroy: function destroy() {
|
||
var element = this.element;
|
||
|
||
|
||
if (!getData(element, NAMESPACE)) {
|
||
return this;
|
||
}
|
||
|
||
if (this.options.inline) {
|
||
this.unbind();
|
||
} else {
|
||
if (this.visible) {
|
||
this.unbind();
|
||
}
|
||
|
||
removeListener(element, EVENT_CLICK, this.onStart);
|
||
}
|
||
|
||
this.close();
|
||
this.unbuild();
|
||
removeData(element, NAMESPACE);
|
||
return this;
|
||
}
|
||
};
|
||
|
||
var others = {
|
||
open: function open() {
|
||
var body = this.body;
|
||
|
||
|
||
addClass(body, CLASS_OPEN);
|
||
|
||
body.style.paddingRight = this.scrollbarWidth + (parseFloat(this.initialBodyPaddingRight) || 0) + 'px';
|
||
},
|
||
close: function close() {
|
||
var body = this.body;
|
||
|
||
|
||
removeClass(body, CLASS_OPEN);
|
||
body.style.paddingRight = this.initialBodyPaddingRight;
|
||
},
|
||
shown: function shown() {
|
||
var element = this.element,
|
||
options = this.options;
|
||
|
||
|
||
this.transitioning = false;
|
||
this.fulled = true;
|
||
this.visible = true;
|
||
this.render();
|
||
this.bind();
|
||
|
||
if (isFunction(options.shown)) {
|
||
addListener(element, EVENT_SHOWN, options.shown, {
|
||
once: true
|
||
});
|
||
}
|
||
|
||
dispatchEvent(element, EVENT_SHOWN);
|
||
},
|
||
hidden: function hidden() {
|
||
var element = this.element,
|
||
options = this.options;
|
||
|
||
this.transitioning = false;
|
||
this.viewed = false;
|
||
this.fulled = false;
|
||
this.visible = false;
|
||
this.close();
|
||
this.unbind();
|
||
addClass(this.viewer, CLASS_HIDE);
|
||
this.resetList();
|
||
this.resetImage();
|
||
|
||
if (isFunction(options.hidden)) {
|
||
addListener(element, EVENT_HIDDEN, options.hidden, {
|
||
once: true
|
||
});
|
||
}
|
||
|
||
dispatchEvent(element, EVENT_HIDDEN);
|
||
},
|
||
requestFullscreen: function requestFullscreen() {
|
||
var _window = window,
|
||
document = _window.document;
|
||
|
||
|
||
if (this.fulled && !document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) {
|
||
var documentElement = document.documentElement;
|
||
|
||
|
||
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() {
|
||
if (this.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 pointers = this.pointers;
|
||
|
||
var pointer = pointers[Object.keys(pointers)[0]];
|
||
var offsetX = pointer.endX - pointer.startX;
|
||
var offsetY = pointer.endY - pointer.startY;
|
||
|
||
switch (this.action) {
|
||
// Move the current image
|
||
case ACTION_MOVE:
|
||
this.move(offsetX, offsetY);
|
||
break;
|
||
|
||
// Zoom the current image
|
||
case ACTION_ZOOM:
|
||
this.zoom(getMaxZoomRatio(pointers), false, e);
|
||
break;
|
||
|
||
case ACTION_SWITCH:
|
||
this.action = 'switched';
|
||
|
||
if (Math.abs(offsetX) > Math.abs(offsetY)) {
|
||
if (offsetX > 1) {
|
||
this.prev();
|
||
} else if (offsetX < -1) {
|
||
this.next();
|
||
}
|
||
}
|
||
|
||
break;
|
||
|
||
default:
|
||
}
|
||
|
||
// Override
|
||
each(pointers, function (p) {
|
||
p.startX = p.endX;
|
||
p.startY = p.endY;
|
||
});
|
||
},
|
||
isSwitchable: function isSwitchable() {
|
||
var imageData = this.imageData,
|
||
viewerData = this.viewerData;
|
||
|
||
|
||
return this.length > 1 && imageData.left >= 0 && imageData.top >= 0 && imageData.width <= viewerData.width && imageData.height <= viewerData.height;
|
||
}
|
||
};
|
||
|
||
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; }; }();
|
||
|
||
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
|
||
|
||
var AnotherViewer = WINDOW.Viewer;
|
||
|
||
var Viewer = function () {
|
||
/**
|
||
* Create a new Viewer.
|
||
* @param {Element} element - The target element for viewing.
|
||
* @param {Object} [options={}] - The configuration options.
|
||
*/
|
||
function Viewer(element) {
|
||
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
|
||
|
||
_classCallCheck(this, Viewer);
|
||
|
||
if (!element || element.nodeType !== 1) {
|
||
throw new Error('The first argument is required and must be an element.');
|
||
}
|
||
|
||
this.element = element;
|
||
this.options = extend({}, DEFAULTS, isPlainObject(options) && options);
|
||
this.isImg = false;
|
||
this.ready = false;
|
||
this.visible = false;
|
||
this.viewed = false;
|
||
this.fulled = false;
|
||
this.played = false;
|
||
this.wheeling = false;
|
||
this.playing = false;
|
||
this.fading = false;
|
||
this.tooltiping = false;
|
||
this.transitioning = false;
|
||
this.action = false;
|
||
this.target = false;
|
||
this.timeout = false;
|
||
this.index = 0;
|
||
this.length = 0;
|
||
this.pointers = {};
|
||
this.init();
|
||
}
|
||
|
||
_createClass(Viewer, [{
|
||
key: 'init',
|
||
value: function init() {
|
||
var _this = this;
|
||
|
||
var element = this.element,
|
||
options = this.options;
|
||
|
||
|
||
if (getData(element, NAMESPACE)) {
|
||
return;
|
||
}
|
||
|
||
setData(element, NAMESPACE, this);
|
||
|
||
var isImg = element.tagName.toLowerCase() === 'img';
|
||
var images = [];
|
||
|
||
each(isImg ? [element] : element.querySelectorAll('img'), function (image) {
|
||
if (options.filter) {
|
||
if (options.filter(image)) {
|
||
images.push(image);
|
||
}
|
||
} else {
|
||
images.push(image);
|
||
}
|
||
});
|
||
|
||
var length = images.length;
|
||
|
||
|
||
if (!length) {
|
||
return;
|
||
}
|
||
|
||
if (isFunction(options.ready)) {
|
||
addListener(element, EVENT_READY, options.ready, {
|
||
once: true
|
||
});
|
||
}
|
||
|
||
// Override `transition` option if it is not supported
|
||
if (isUndefined(document.createElement(NAMESPACE).style.transition)) {
|
||
options.transition = false;
|
||
}
|
||
|
||
this.isImg = isImg;
|
||
this.length = length;
|
||
this.count = 0;
|
||
this.images = images;
|
||
|
||
var _document = document,
|
||
body = _document.body;
|
||
|
||
|
||
this.body = body;
|
||
this.scrollbarWidth = window.innerWidth - document.documentElement.clientWidth;
|
||
this.initialBodyPaddingRight = getStyle(body).paddingRight;
|
||
|
||
if (options.inline) {
|
||
var progress = proxy(this.progress, this);
|
||
|
||
addListener(element, EVENT_READY, function () {
|
||
_this.view();
|
||
}, {
|
||
once: true
|
||
});
|
||
|
||
each(images, function (image) {
|
||
if (image.complete) {
|
||
progress();
|
||
} else {
|
||
addListener(image, EVENT_LOAD, progress, {
|
||
once: true
|
||
});
|
||
}
|
||
});
|
||
} else {
|
||
addListener(element, EVENT_CLICK, this.onStart = proxy(this.start, this));
|
||
}
|
||
}
|
||
}, {
|
||
key: 'progress',
|
||
value: function progress() {
|
||
this.count += 1;
|
||
|
||
if (this.count === this.length) {
|
||
this.build();
|
||
}
|
||
}
|
||
}, {
|
||
key: 'build',
|
||
value: function build() {
|
||
var options = this.options;
|
||
var element = this.element;
|
||
|
||
|
||
if (this.ready) {
|
||
return;
|
||
}
|
||
|
||
var parent = element.parentNode;
|
||
var template = document.createElement('div');
|
||
|
||
template.innerHTML = TEMPLATE;
|
||
|
||
var viewer = template.querySelector('.' + NAMESPACE + '-container');
|
||
var title = viewer.querySelector('.' + NAMESPACE + '-title');
|
||
var toolbar = viewer.querySelector('.' + NAMESPACE + '-toolbar');
|
||
var navbar = viewer.querySelector('.' + NAMESPACE + '-navbar');
|
||
var button = viewer.querySelector('.' + NAMESPACE + '-button');
|
||
|
||
this.parent = parent;
|
||
this.viewer = viewer;
|
||
this.title = title;
|
||
this.toolbar = toolbar;
|
||
this.navbar = navbar;
|
||
this.button = button;
|
||
this.canvas = viewer.querySelector('.' + NAMESPACE + '-canvas');
|
||
this.footer = viewer.querySelector('.' + NAMESPACE + '-footer');
|
||
this.tooltipBox = viewer.querySelector('.' + NAMESPACE + '-tooltip');
|
||
this.player = viewer.querySelector('.' + NAMESPACE + '-player');
|
||
this.list = viewer.querySelector('.' + NAMESPACE + '-list');
|
||
|
||
addClass(title, !options.title ? CLASS_HIDE : getResponsiveClass(options.title));
|
||
addClass(navbar, !options.navbar ? CLASS_HIDE : getResponsiveClass(options.navbar));
|
||
toggleClass(button, CLASS_HIDE, !options.button);
|
||
|
||
if (options.toolbar) {
|
||
var list = document.createElement('ul');
|
||
var custom = isPlainObject(options.toolbar);
|
||
var zoomButtons = BUTTONS.slice(0, 3);
|
||
var rotateButtons = BUTTONS.slice(7, 9);
|
||
var scaleButtons = BUTTONS.slice(9);
|
||
|
||
if (!custom) {
|
||
addClass(toolbar, getResponsiveClass(options.toolbar));
|
||
}
|
||
|
||
each(custom ? options.toolbar : BUTTONS, function (value, index) {
|
||
var deep = custom && isPlainObject(value);
|
||
var name = custom ? hyphenate(index) : value;
|
||
var show = deep ? value.show : value;
|
||
|
||
if (!show || !options.zoomable && zoomButtons.indexOf(name) !== -1 || !options.rotatable && rotateButtons.indexOf(name) !== -1 || !options.scalable && scaleButtons.indexOf(name) !== -1) {
|
||
return;
|
||
}
|
||
|
||
var size = deep ? value.size : value;
|
||
var click = deep ? value.click : value;
|
||
var item = document.createElement('li');
|
||
|
||
item.setAttribute('role', 'button');
|
||
setData(item, 'action', name);
|
||
addClass(item, NAMESPACE + '-' + name);
|
||
|
||
if (isNumber(show)) {
|
||
addClass(item, getResponsiveClass(show));
|
||
}
|
||
|
||
if (['small', 'large'].indexOf(size) !== -1) {
|
||
addClass(item, NAMESPACE + '-' + size);
|
||
} else if (name === 'play') {
|
||
addClass(item, NAMESPACE + '-large');
|
||
}
|
||
|
||
if (isFunction(click)) {
|
||
addListener(item, EVENT_CLICK, click);
|
||
}
|
||
|
||
list.appendChild(item);
|
||
});
|
||
|
||
toolbar.appendChild(list);
|
||
} else {
|
||
addClass(toolbar, CLASS_HIDE);
|
||
}
|
||
|
||
if (!options.rotatable) {
|
||
var rotates = toolbar.querySelectorAll('li[class*="rotate"]');
|
||
|
||
addClass(rotates, CLASS_INVISIBLE);
|
||
each(rotates, function (rotate) {
|
||
toolbar.appendChild(rotate);
|
||
});
|
||
}
|
||
|
||
if (options.inline) {
|
||
addClass(button, CLASS_FULLSCREEN);
|
||
setStyle(viewer, {
|
||
zIndex: options.zIndexInline
|
||
});
|
||
|
||
if (getStyle(parent).position === 'static') {
|
||
setStyle(parent, {
|
||
position: 'relative'
|
||
});
|
||
}
|
||
|
||
parent.insertBefore(viewer, element.nextSibling);
|
||
} else {
|
||
addClass(button, CLASS_CLOSE);
|
||
addClass(viewer, CLASS_FIXED);
|
||
addClass(viewer, CLASS_FADE);
|
||
addClass(viewer, CLASS_HIDE);
|
||
|
||
setStyle(viewer, {
|
||
zIndex: options.zIndex
|
||
});
|
||
|
||
this.body.appendChild(viewer);
|
||
}
|
||
|
||
if (options.inline) {
|
||
this.render();
|
||
this.bind();
|
||
this.visible = true;
|
||
}
|
||
|
||
this.ready = true;
|
||
|
||
dispatchEvent(element, EVENT_READY);
|
||
}
|
||
}, {
|
||
key: 'unbuild',
|
||
value: function unbuild() {
|
||
if (!this.ready) {
|
||
return;
|
||
}
|
||
|
||
this.ready = false;
|
||
this.viewer.parentNode.removeChild(this.viewer);
|
||
}
|
||
|
||
/**
|
||
* Get the no conflict viewer class.
|
||
* @returns {Viewer} The viewer class.
|
||
*/
|
||
|
||
}], [{
|
||
key: 'noConflict',
|
||
value: function noConflict() {
|
||
window.Viewer = AnotherViewer;
|
||
return Viewer;
|
||
}
|
||
|
||
/**
|
||
* Change the default options.
|
||
* @param {Object} options - The new default options.
|
||
*/
|
||
|
||
}, {
|
||
key: 'setDefaults',
|
||
value: function setDefaults(options) {
|
||
extend(DEFAULTS, isPlainObject(options) && options);
|
||
}
|
||
}]);
|
||
|
||
return Viewer;
|
||
}();
|
||
|
||
extend(Viewer.prototype, render, events, handlers, methods, others);
|
||
|
||
return Viewer;
|
||
|
||
})));
|