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@@ -0,0 +1,3117 @@
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+/*!
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+ * Viewer.js v1.5.0
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+ * https://fengyuanchen.github.io/viewerjs
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+ *
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+ * Copyright 2015-present Chen Fengyuan
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+ * Released under the MIT license
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+ *
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+ * Date: 2019-11-23T05:10:26.193Z
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+ */
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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 = global || self, global.Viewer = factory());
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+}(this, (function () { 'use strict';
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+
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+ function _typeof(obj) {
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+ if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
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+ _typeof = function (obj) {
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+ return typeof obj;
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+ };
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+ } else {
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+ _typeof = function (obj) {
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+ return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
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+ };
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+ }
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+
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+ return _typeof(obj);
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+ }
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+
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+ function _classCallCheck(instance, Constructor) {
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+ if (!(instance instanceof Constructor)) {
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+ throw new TypeError("Cannot call a class as a function");
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+ }
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+ }
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+
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+ function _defineProperties(target, props) {
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+ for (var i = 0; i < props.length; i++) {
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+ var descriptor = props[i];
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+ descriptor.enumerable = descriptor.enumerable || false;
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+ descriptor.configurable = true;
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+ if ("value" in descriptor) descriptor.writable = true;
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+ Object.defineProperty(target, descriptor.key, descriptor);
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+ }
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+ }
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+
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+ function _createClass(Constructor, protoProps, staticProps) {
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+ if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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+ if (staticProps) _defineProperties(Constructor, staticProps);
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+ return Constructor;
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+ }
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+
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+ function _defineProperty(obj, key, value) {
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+ if (key in obj) {
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+ Object.defineProperty(obj, key, {
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+ value: value,
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+ enumerable: true,
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+ configurable: true,
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+ writable: true
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+ });
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+ } else {
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+ obj[key] = value;
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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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+ function ownKeys(object, enumerableOnly) {
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+ var keys = Object.keys(object);
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+
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+ if (Object.getOwnPropertySymbols) {
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+ var symbols = Object.getOwnPropertySymbols(object);
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+ if (enumerableOnly) symbols = symbols.filter(function (sym) {
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+ return Object.getOwnPropertyDescriptor(object, sym).enumerable;
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+ });
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+ keys.push.apply(keys, symbols);
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+ }
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+
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+ return keys;
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+ }
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+
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+ function _objectSpread2(target) {
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+ for (var i = 1; i < arguments.length; i++) {
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+ var source = arguments[i] != null ? arguments[i] : {};
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+
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+ if (i % 2) {
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+ ownKeys(Object(source), true).forEach(function (key) {
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+ _defineProperty(target, key, source[key]);
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+ });
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+ } else if (Object.getOwnPropertyDescriptors) {
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+ Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
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+ } else {
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+ ownKeys(Object(source)).forEach(function (key) {
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+ Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
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+ });
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+ }
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+ }
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+
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+ return target;
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+ }
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+
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+ var DEFAULTS = {
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+ /**
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+ * Enable a modal backdrop, specify `static` for a backdrop
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+ * which doesn't close the modal on click.
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+ * @type {boolean}
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+ */
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+ backdrop: true,
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+
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+ /**
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+ * Show the button on the top-right of the viewer.
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+ * @type {boolean}
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+ */
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+ button: true,
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+
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+ /**
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+ * Show the navbar.
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+ * @type {boolean | number}
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+ */
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+ navbar: true,
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+
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+ /**
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+ * Specify the visibility and the content of the title.
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+ * @type {boolean | number | Function | Array}
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+ */
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+ title: true,
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+
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+ /**
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+ * Show the toolbar.
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+ * @type {boolean | number | Object}
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+ */
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+ toolbar: true,
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+
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+ /**
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+ * Custom class name(s) to add to the viewer's root element.
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+ * @type {string}
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+ */
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+ className: '',
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+
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+ /**
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+ * Define where to put the viewer in modal mode.
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+ * @type {string | Element}
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+ */
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+ container: 'body',
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+
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+ /**
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+ * Filter the images for viewing. Return true if the image is viewable.
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+ * @type {Function}
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+ */
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+ filter: null,
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+
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+ /**
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+ * Enable to request fullscreen when play.
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+ * @type {boolean}
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+ */
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+ fullscreen: true,
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+
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+ /**
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+ * Define the initial index of image for viewing.
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+ * @type {number}
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+ */
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+ initialViewIndex: 0,
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+
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+ /**
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+ * Enable inline mode.
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+ * @type {boolean}
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+ */
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+ inline: false,
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+
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+ /**
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+ * The amount of time to delay between automatically cycling an image when playing.
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+ * @type {number}
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+ */
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+ interval: 5000,
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+
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+ /**
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+ * Enable keyboard support.
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+ * @type {boolean}
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+ */
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+ keyboard: true,
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+
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+ /**
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+ * Indicate if show a loading spinner when load image or not.
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+ * @type {boolean}
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+ */
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+ loading: true,
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+
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+ /**
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+ * Indicate if enable loop viewing or not.
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+ * @type {boolean}
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+ */
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+ loop: true,
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+
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+ /**
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+ * Min width of the viewer in inline mode.
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+ * @type {number}
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+ */
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+ minWidth: 200,
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+
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+ /**
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+ * Min height of the viewer in inline mode.
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+ * @type {number}
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+ */
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+ minHeight: 100,
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+
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+ /**
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+ * Enable to move the image.
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+ * @type {boolean}
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+ */
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+ movable: true,
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+
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+ /**
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+ * Enable to rotate the image.
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+ * @type {boolean}
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+ */
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+ rotatable: true,
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+
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+ /**
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+ * Enable to scale the image.
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+ * @type {boolean}
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+ */
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+ scalable: true,
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+
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+ /**
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+ * Enable to zoom the image.
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+ * @type {boolean}
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+ */
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+ zoomable: true,
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+
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+ /**
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+ * Enable to zoom the current image by dragging on the touch screen.
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+ * @type {boolean}
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+ */
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+ zoomOnTouch: true,
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+
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+ /**
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+ * Enable to zoom the image by wheeling mouse.
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+ * @type {boolean}
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+ */
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+ zoomOnWheel: true,
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+
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+ /**
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+ * Enable to slide to the next or previous image by swiping on the touch screen.
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+ * @type {boolean}
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+ */
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+ slideOnTouch: true,
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+
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+ /**
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+ * Indicate if toggle the image size between its natural size
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+ * and initial size when double click on the image or not.
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+ * @type {boolean}
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+ */
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+ toggleOnDblclick: true,
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+
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+ /**
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+ * Show the tooltip with image ratio (percentage) when zoom in or zoom out.
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+ * @type {boolean}
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+ */
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+ tooltip: true,
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+
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+ /**
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+ * Enable CSS3 Transition for some special elements.
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+ * @type {boolean}
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+ */
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+ transition: true,
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+
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+ /**
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+ * Define the CSS `z-index` value of viewer in modal mode.
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+ * @type {number}
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+ */
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+ zIndex: 2015,
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+
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+ /**
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+ * Define the CSS `z-index` value of viewer in inline mode.
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+ * @type {number}
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+ */
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+ zIndexInline: 0,
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+
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+ /**
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+ * Define the ratio when zoom the image by wheeling mouse.
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+ * @type {number}
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+ */
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+ zoomRatio: 0.1,
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+
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+ /**
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+ * Define the min ratio of the image when zoom out.
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+ * @type {number}
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+ */
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+ minZoomRatio: 0.01,
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+
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+ /**
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+ * Define the max ratio of the image when zoom in.
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+ * @type {number}
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+ */
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+ maxZoomRatio: 100,
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+
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+ /**
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+ * Define where to get the original image URL for viewing.
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+ * @type {string | Function}
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+ */
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+ url: 'src',
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+
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+ /**
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+ * Event shortcuts.
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+ * @type {Function}
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+ */
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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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+ zoom: null,
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+ zoomed: null
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+ };
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+
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+ var TEMPLATE = '<div class="viewer-container" touch-action="none">' + '<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-viewer-action="mix"></div>' + '<div class="viewer-player"></div>' + '</div>';
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+
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+ var IS_BROWSER = typeof window !== 'undefined' && typeof window.document !== 'undefined';
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+ var WINDOW = IS_BROWSER ? window : {};
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+ var IS_TOUCH_DEVICE = IS_BROWSER ? 'ontouchstart' in WINDOW.document.documentElement : false;
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+ var HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false;
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+ var NAMESPACE = 'viewer'; // Actions
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+
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+ var ACTION_MOVE = 'move';
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+ var ACTION_SWITCH = 'switch';
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+ var ACTION_ZOOM = 'zoom'; // Classes
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+
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+ var CLASS_ACTIVE = "".concat(NAMESPACE, "-active");
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+ var CLASS_CLOSE = "".concat(NAMESPACE, "-close");
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+ var CLASS_FADE = "".concat(NAMESPACE, "-fade");
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+ var CLASS_FIXED = "".concat(NAMESPACE, "-fixed");
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+ var CLASS_FULLSCREEN = "".concat(NAMESPACE, "-fullscreen");
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+ var CLASS_FULLSCREEN_EXIT = "".concat(NAMESPACE, "-fullscreen-exit");
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+ var CLASS_HIDE = "".concat(NAMESPACE, "-hide");
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+ var CLASS_HIDE_MD_DOWN = "".concat(NAMESPACE, "-hide-md-down");
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+ var CLASS_HIDE_SM_DOWN = "".concat(NAMESPACE, "-hide-sm-down");
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+ var CLASS_HIDE_XS_DOWN = "".concat(NAMESPACE, "-hide-xs-down");
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+ var CLASS_IN = "".concat(NAMESPACE, "-in");
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+ var CLASS_INVISIBLE = "".concat(NAMESPACE, "-invisible");
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+ var CLASS_LOADING = "".concat(NAMESPACE, "-loading");
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+ var CLASS_MOVE = "".concat(NAMESPACE, "-move");
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+ var CLASS_OPEN = "".concat(NAMESPACE, "-open");
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+ var CLASS_SHOW = "".concat(NAMESPACE, "-show");
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+ var CLASS_TRANSITION = "".concat(NAMESPACE, "-transition"); // Events
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+
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+ var EVENT_CLICK = 'click';
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+ var EVENT_DBLCLICK = 'dblclick';
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+ var EVENT_DRAG_START = 'dragstart';
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+ var EVENT_HIDDEN = 'hidden';
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+ var EVENT_HIDE = 'hide';
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+ var EVENT_KEY_DOWN = 'keydown';
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+ var EVENT_LOAD = 'load';
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+ var EVENT_TOUCH_START = IS_TOUCH_DEVICE ? 'touchstart' : 'mousedown';
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+ var EVENT_TOUCH_MOVE = IS_TOUCH_DEVICE ? 'touchmove' : 'mousemove';
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+ var EVENT_TOUCH_END = IS_TOUCH_DEVICE ? 'touchend touchcancel' : 'mouseup';
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+ var EVENT_POINTER_DOWN = HAS_POINTER_EVENT ? 'pointerdown' : EVENT_TOUCH_START;
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+ var EVENT_POINTER_MOVE = HAS_POINTER_EVENT ? 'pointermove' : EVENT_TOUCH_MOVE;
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+ var EVENT_POINTER_UP = HAS_POINTER_EVENT ? 'pointerup pointercancel' : EVENT_TOUCH_END;
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+ var EVENT_READY = 'ready';
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+ var EVENT_RESIZE = 'resize';
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+ var EVENT_SHOW = 'show';
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+ var EVENT_SHOWN = 'shown';
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+ var EVENT_TRANSITION_END = 'transitionend';
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+ var EVENT_VIEW = 'view';
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+ var EVENT_VIEWED = 'viewed';
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+ var EVENT_WHEEL = 'wheel';
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+ var EVENT_ZOOM = 'zoom';
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+ var EVENT_ZOOMED = 'zoomed'; // Data keys
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+
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+ var DATA_ACTION = "".concat(NAMESPACE, "Action"); // RegExps
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+
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+ var REGEXP_SPACES = /\s\s*/; // Misc
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+ function isObject(value) {
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+ return _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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+
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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 {
|
|
|
+ var _constructor = value.constructor;
|
|
|
+ var prototype = _constructor.prototype;
|
|
|
+ return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
|
|
|
+ } catch (error) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Check if the given value is a function.
|
|
|
+ * @param {*} value - The value to check.
|
|
|
+ * @returns {boolean} Returns `true` if the given value is a function, else `false`.
|
|
|
+ */
|
|
|
+
|
|
|
+ function isFunction(value) {
|
|
|
+ return typeof value === 'function';
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Iterate the given data.
|
|
|
+ * @param {*} data - The data to iterate.
|
|
|
+ * @param {Function} callback - The process function for each element.
|
|
|
+ * @returns {*} The original data.
|
|
|
+ */
|
|
|
+
|
|
|
+ function forEach(data, callback) {
|
|
|
+ if (data && isFunction(callback)) {
|
|
|
+ if (Array.isArray(data) || isNumber(data.length)
|
|
|
+ /* array-like */
|
|
|
+ ) {
|
|
|
+ var length = data.length;
|
|
|
+ var i;
|
|
|
+
|
|
|
+ for (i = 0; i < length; i += 1) {
|
|
|
+ if (callback.call(data, data[i], i, data) === false) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else if (isObject(data)) {
|
|
|
+ Object.keys(data).forEach(function (key) {
|
|
|
+ callback.call(data, data[key], key, data);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return data;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Extend the given object.
|
|
|
+ * @param {*} obj - The object to be extended.
|
|
|
+ * @param {*} args - The rest objects which will be merged to the first object.
|
|
|
+ * @returns {Object} The extended object.
|
|
|
+ */
|
|
|
+
|
|
|
+ var assign = Object.assign || function assign(obj) {
|
|
|
+ for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
|
+ args[_key - 1] = arguments[_key];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isObject(obj) && args.length > 0) {
|
|
|
+ args.forEach(function (arg) {
|
|
|
+ if (isObject(arg)) {
|
|
|
+ Object.keys(arg).forEach(function (key) {
|
|
|
+ obj[key] = arg[key];
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ return obj;
|
|
|
+ };
|
|
|
+ var REGEXP_SUFFIX = /^(?:width|height|left|top|marginLeft|marginTop)$/;
|
|
|
+ /**
|
|
|
+ * Apply styles to the given element.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @param {Object} styles - The styles for applying.
|
|
|
+ */
|
|
|
+
|
|
|
+ function setStyle(element, styles) {
|
|
|
+ var style = element.style;
|
|
|
+ forEach(styles, function (value, property) {
|
|
|
+ if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
|
|
|
+ value += 'px';
|
|
|
+ }
|
|
|
+
|
|
|
+ style[property] = value;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Escape a string for using in HTML.
|
|
|
+ * @param {String} value - The string to escape.
|
|
|
+ * @returns {String} Returns the escaped string.
|
|
|
+ */
|
|
|
+
|
|
|
+ function escapeHTMLEntities(value) {
|
|
|
+ return isString(value) ? value.replace(/&(?!amp;|quot;|#39;|lt;|gt;)/g, '&').replace(/"/g, '"').replace(/'/g, ''').replace(/</g, '<').replace(/>/g, '>') : value;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Check if the given element has a special class.
|
|
|
+ * @param {Element} element - The element to check.
|
|
|
+ * @param {string} value - The class to search.
|
|
|
+ * @returns {boolean} Returns `true` if the special class was found.
|
|
|
+ */
|
|
|
+
|
|
|
+ function hasClass(element, value) {
|
|
|
+ if (!element || !value) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Add classes to the given element.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @param {string} value - The classes to be added.
|
|
|
+ */
|
|
|
+
|
|
|
+ function addClass(element, value) {
|
|
|
+ if (!element || !value) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(element.length)) {
|
|
|
+ forEach(element, function (elem) {
|
|
|
+ addClass(elem, value);
|
|
|
+ });
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (element.classList) {
|
|
|
+ element.classList.add(value);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var className = element.className.trim();
|
|
|
+
|
|
|
+ if (!className) {
|
|
|
+ element.className = value;
|
|
|
+ } else if (className.indexOf(value) < 0) {
|
|
|
+ element.className = "".concat(className, " ").concat(value);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Remove classes from the given element.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @param {string} value - The classes to be removed.
|
|
|
+ */
|
|
|
+
|
|
|
+ function removeClass(element, value) {
|
|
|
+ if (!element || !value) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(element.length)) {
|
|
|
+ forEach(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, '');
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * 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)) {
|
|
|
+ forEach(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;
|
|
|
+ /**
|
|
|
+ * Transform the given string from camelCase to kebab-case
|
|
|
+ * @param {string} value - The value to transform.
|
|
|
+ * @returns {string} The transformed 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];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (element.dataset) {
|
|
|
+ return element.dataset[name];
|
|
|
+ }
|
|
|
+
|
|
|
+ return element.getAttribute("data-".concat(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-".concat(hyphenate(name)), data);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ var onceSupported = function () {
|
|
|
+ var supported = false;
|
|
|
+
|
|
|
+ if (IS_BROWSER) {
|
|
|
+ var once = false;
|
|
|
+
|
|
|
+ var listener = function listener() {};
|
|
|
+
|
|
|
+ var options = Object.defineProperty({}, 'once', {
|
|
|
+ get: function get() {
|
|
|
+ supported = true;
|
|
|
+ return once;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This setter can fix a `TypeError` in strict mode
|
|
|
+ * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only}
|
|
|
+ * @param {boolean} value - The value to set
|
|
|
+ */
|
|
|
+ set: function set(value) {
|
|
|
+ once = value;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ WINDOW.addEventListener('test', listener, options);
|
|
|
+ WINDOW.removeEventListener('test', listener, options);
|
|
|
+ }
|
|
|
+
|
|
|
+ return supported;
|
|
|
+ }();
|
|
|
+ /**
|
|
|
+ * 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] : {};
|
|
|
+ var handler = listener;
|
|
|
+ type.trim().split(REGEXP_SPACES).forEach(function (event) {
|
|
|
+ if (!onceSupported) {
|
|
|
+ var listeners = element.listeners;
|
|
|
+
|
|
|
+ if (listeners && listeners[event] && listeners[event][listener]) {
|
|
|
+ handler = listeners[event][listener];
|
|
|
+ delete listeners[event][listener];
|
|
|
+
|
|
|
+ if (Object.keys(listeners[event]).length === 0) {
|
|
|
+ delete listeners[event];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (Object.keys(listeners).length === 0) {
|
|
|
+ delete element.listeners;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ element.removeEventListener(event, handler, options);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * 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] : {};
|
|
|
+ var _handler = listener;
|
|
|
+ type.trim().split(REGEXP_SPACES).forEach(function (event) {
|
|
|
+ if (options.once && !onceSupported) {
|
|
|
+ var _element$listeners = element.listeners,
|
|
|
+ listeners = _element$listeners === void 0 ? {} : _element$listeners;
|
|
|
+
|
|
|
+ _handler = function handler() {
|
|
|
+ delete listeners[event][listener];
|
|
|
+ element.removeEventListener(event, _handler, options);
|
|
|
+
|
|
|
+ for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
|
|
|
+ args[_key2] = arguments[_key2];
|
|
|
+ }
|
|
|
+
|
|
|
+ listener.apply(element, args);
|
|
|
+ };
|
|
|
+
|
|
|
+ if (!listeners[event]) {
|
|
|
+ listeners[event] = {};
|
|
|
+ }
|
|
|
+
|
|
|
+ if (listeners[event][listener]) {
|
|
|
+ element.removeEventListener(event, listeners[event][listener], options);
|
|
|
+ }
|
|
|
+
|
|
|
+ listeners[event][listener] = _handler;
|
|
|
+ element.listeners = listeners;
|
|
|
+ }
|
|
|
+
|
|
|
+ element.addEventListener(event, _handler, options);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * 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) {
|
|
|
+ var event; // Event and CustomEvent on IE9-11 are global objects, not constructors
|
|
|
+
|
|
|
+ if (isFunction(Event) && isFunction(CustomEvent)) {
|
|
|
+ event = new CustomEvent(type, {
|
|
|
+ detail: data,
|
|
|
+ bubbles: true,
|
|
|
+ cancelable: true
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ event = document.createEvent('CustomEvent');
|
|
|
+ event.initCustomEvent(type, true, true, data);
|
|
|
+ }
|
|
|
+
|
|
|
+ return element.dispatchEvent(event);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get the offset base on the document.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @returns {Object} The offset data.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getOffset(element) {
|
|
|
+ var box = element.getBoundingClientRect();
|
|
|
+ return {
|
|
|
+ left: box.left + (window.pageXOffset - document.documentElement.clientLeft),
|
|
|
+ top: box.top + (window.pageYOffset - document.documentElement.clientTop)
|
|
|
+ };
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * 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,
|
|
|
+ translateX = _ref.translateX,
|
|
|
+ translateY = _ref.translateY;
|
|
|
+ var values = [];
|
|
|
+
|
|
|
+ if (isNumber(translateX) && translateX !== 0) {
|
|
|
+ values.push("translateX(".concat(translateX, "px)"));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(translateY) && translateY !== 0) {
|
|
|
+ values.push("translateY(".concat(translateY, "px)"));
|
|
|
+ } // Rotate should come first before scale to match orientation transform
|
|
|
+
|
|
|
+
|
|
|
+ if (isNumber(rotate) && rotate !== 0) {
|
|
|
+ values.push("rotate(".concat(rotate, "deg)"));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(scaleX) && scaleX !== 1) {
|
|
|
+ values.push("scaleX(".concat(scaleX, ")"));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(scaleY) && scaleY !== 1) {
|
|
|
+ values.push("scaleY(".concat(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('https://domain.com/path/to/picture.jpg?size=1280×960')
|
|
|
+ * @returns {string} A string contains the image name.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getImageNameFromURL(url) {
|
|
|
+ return isString(url) ? decodeURIComponent(url.replace(/^.*\//, '').replace(/[?&#].*$/, '')) : '';
|
|
|
+ }
|
|
|
+ var IS_SAFARI = WINDOW.navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(WINDOW.navigator.userAgent);
|
|
|
+ /**
|
|
|
+ * Get an image's natural sizes.
|
|
|
+ * @param {string} image - The target image.
|
|
|
+ * @param {Function} callback - The callback function.
|
|
|
+ * @returns {HTMLImageElement} The new image.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getImageNaturalSizes(image, callback) {
|
|
|
+ var newImage = document.createElement('img'); // Modern browsers (except Safari)
|
|
|
+
|
|
|
+ if (image.naturalWidth && !IS_SAFARI) {
|
|
|
+ callback(image.naturalWidth, image.naturalHeight);
|
|
|
+ return newImage;
|
|
|
+ }
|
|
|
+
|
|
|
+ var body = document.body || document.documentElement;
|
|
|
+
|
|
|
+ newImage.onload = function () {
|
|
|
+ callback(newImage.width, newImage.height);
|
|
|
+
|
|
|
+ if (!IS_SAFARI) {
|
|
|
+ body.removeChild(newImage);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ newImage.src = image.src; // iOS Safari will convert the image automatically
|
|
|
+ // with its orientation once append it into DOM
|
|
|
+
|
|
|
+ if (!IS_SAFARI) {
|
|
|
+ newImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;';
|
|
|
+ body.appendChild(newImage);
|
|
|
+ }
|
|
|
+
|
|
|
+ return newImage;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * 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 = _objectSpread2({}, pointers);
|
|
|
+
|
|
|
+ var ratios = [];
|
|
|
+ forEach(pointers, function (pointer, pointerId) {
|
|
|
+ delete pointers2[pointerId];
|
|
|
+ forEach(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
|
|
|
+ };
|
|
|
+ return endOnly ? end : _objectSpread2({
|
|
|
+ timeStamp: Date.now(),
|
|
|
+ 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;
|
|
|
+ forEach(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;
|
|
|
+
|
|
|
+ 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 = assign({}, 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 = []; // initList may be called in this.update, so should keep idempotent
|
|
|
+
|
|
|
+ list.innerHTML = '';
|
|
|
+ forEach(this.images, function (image, index) {
|
|
|
+ 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(_this, image);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (src || url) {
|
|
|
+ var item = document.createElement('li');
|
|
|
+ var img = document.createElement('img');
|
|
|
+ img.src = src || url;
|
|
|
+ img.alt = alt;
|
|
|
+ img.setAttribute('data-index', index);
|
|
|
+ img.setAttribute('data-original-url', url || src);
|
|
|
+ img.setAttribute('data-viewer-action', 'view');
|
|
|
+ img.setAttribute('role', 'button');
|
|
|
+ item.appendChild(img);
|
|
|
+ list.appendChild(item);
|
|
|
+ items.push(item);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ this.items = items;
|
|
|
+ forEach(items, function (item) {
|
|
|
+ var image = item.firstElementChild;
|
|
|
+ setData(image, 'filled', true);
|
|
|
+
|
|
|
+ if (options.loading) {
|
|
|
+ addClass(item, CLASS_LOADING);
|
|
|
+ }
|
|
|
+
|
|
|
+ addListener(image, EVENT_LOAD, function (event) {
|
|
|
+ if (options.loading) {
|
|
|
+ removeClass(item, CLASS_LOADING);
|
|
|
+ }
|
|
|
+
|
|
|
+ _this.loadImage(event);
|
|
|
+ }, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ });
|
|
|
+
|
|
|
+ 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, assign({
|
|
|
+ width: outerWidth * this.length
|
|
|
+ }, getTransforms({
|
|
|
+ translateX: (this.viewerData.width - width) / 2 - outerWidth * i
|
|
|
+ })));
|
|
|
+ },
|
|
|
+ resetList: function resetList() {
|
|
|
+ var list = this.list;
|
|
|
+ list.innerHTML = '';
|
|
|
+ removeClass(list, CLASS_TRANSITION);
|
|
|
+ setStyle(list, getTransforms({
|
|
|
+ translateX: 0
|
|
|
+ }));
|
|
|
+ },
|
|
|
+ initImage: function initImage(done) {
|
|
|
+ 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 || {};
|
|
|
+ var sizingImage;
|
|
|
+ this.imageInitializing = {
|
|
|
+ abort: function abort() {
|
|
|
+ sizingImage.onload = null;
|
|
|
+ }
|
|
|
+ };
|
|
|
+ sizingImage = getImageNaturalSizes(image, function (naturalWidth, naturalHeight) {
|
|
|
+ var aspectRatio = naturalWidth / naturalHeight;
|
|
|
+ var width = viewerWidth;
|
|
|
+ var height = viewerHeight;
|
|
|
+ _this2.imageInitializing = false;
|
|
|
+
|
|
|
+ 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 = assign({}, 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 (done) {
|
|
|
+ done();
|
|
|
+ }
|
|
|
+ });
|
|
|
+ },
|
|
|
+ renderImage: function renderImage(done) {
|
|
|
+ var _this3 = this;
|
|
|
+
|
|
|
+ var image = this.image,
|
|
|
+ imageData = this.imageData;
|
|
|
+ setStyle(image, assign({
|
|
|
+ width: imageData.width,
|
|
|
+ height: imageData.height,
|
|
|
+ // XXX: Not to use translateX/Y to avoid image shaking when zooming
|
|
|
+ marginLeft: imageData.left,
|
|
|
+ marginTop: imageData.top
|
|
|
+ }, getTransforms(imageData)));
|
|
|
+
|
|
|
+ if (done) {
|
|
|
+ if ((this.viewing || this.zooming) && this.options.transition) {
|
|
|
+ var onTransitionEnd = function onTransitionEnd() {
|
|
|
+ _this3.imageRendering = false;
|
|
|
+ done();
|
|
|
+ };
|
|
|
+
|
|
|
+ this.imageRendering = {
|
|
|
+ abort: function abort() {
|
|
|
+ removeListener(image, EVENT_TRANSITION_END, onTransitionEnd);
|
|
|
+ }
|
|
|
+ };
|
|
|
+ addListener(image, EVENT_TRANSITION_END, onTransitionEnd, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ done();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ resetImage: function resetImage() {
|
|
|
+ // this.image only defined after viewed
|
|
|
+ if (this.viewing || this.viewed) {
|
|
|
+ var image = this.image;
|
|
|
+
|
|
|
+ if (this.viewing) {
|
|
|
+ this.viewing.abort();
|
|
|
+ }
|
|
|
+
|
|
|
+ image.parentNode.removeChild(image);
|
|
|
+ this.image = null;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var events = {
|
|
|
+ bind: function bind() {
|
|
|
+ var options = this.options,
|
|
|
+ viewer = this.viewer,
|
|
|
+ canvas = this.canvas;
|
|
|
+ var document = this.element.ownerDocument;
|
|
|
+ addListener(viewer, EVENT_CLICK, this.onClick = this.click.bind(this));
|
|
|
+ addListener(viewer, EVENT_DRAG_START, this.onDragStart = this.dragstart.bind(this));
|
|
|
+ addListener(canvas, EVENT_POINTER_DOWN, this.onPointerDown = this.pointerdown.bind(this));
|
|
|
+ addListener(document, EVENT_POINTER_MOVE, this.onPointerMove = this.pointermove.bind(this));
|
|
|
+ addListener(document, EVENT_POINTER_UP, this.onPointerUp = this.pointerup.bind(this));
|
|
|
+ addListener(document, EVENT_KEY_DOWN, this.onKeyDown = this.keydown.bind(this));
|
|
|
+ addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this));
|
|
|
+
|
|
|
+ if (options.zoomable && options.zoomOnWheel) {
|
|
|
+ addListener(viewer, EVENT_WHEEL, this.onWheel = this.wheel.bind(this), {
|
|
|
+ passive: false,
|
|
|
+ capture: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.toggleOnDblclick) {
|
|
|
+ addListener(canvas, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this));
|
|
|
+ }
|
|
|
+ },
|
|
|
+ unbind: function unbind() {
|
|
|
+ var options = this.options,
|
|
|
+ viewer = this.viewer,
|
|
|
+ canvas = this.canvas;
|
|
|
+ var document = this.element.ownerDocument;
|
|
|
+ removeListener(viewer, EVENT_CLICK, this.onClick);
|
|
|
+ removeListener(viewer, EVENT_DRAG_START, this.onDragStart);
|
|
|
+ removeListener(canvas, EVENT_POINTER_DOWN, this.onPointerDown);
|
|
|
+ removeListener(document, EVENT_POINTER_MOVE, this.onPointerMove);
|
|
|
+ removeListener(document, EVENT_POINTER_UP, this.onPointerUp);
|
|
|
+ removeListener(document, EVENT_KEY_DOWN, this.onKeyDown);
|
|
|
+ removeListener(window, EVENT_RESIZE, this.onResize);
|
|
|
+
|
|
|
+ if (options.zoomable && options.zoomOnWheel) {
|
|
|
+ removeListener(viewer, EVENT_WHEEL, this.onWheel, {
|
|
|
+ passive: false,
|
|
|
+ capture: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.toggleOnDblclick) {
|
|
|
+ removeListener(canvas, EVENT_DBLCLICK, this.onDblclick);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var handlers = {
|
|
|
+ click: function click(event) {
|
|
|
+ var target = event.target;
|
|
|
+ var options = this.options,
|
|
|
+ imageData = this.imageData;
|
|
|
+ var action = getData(target, DATA_ACTION); // Cancel the emulated click when the native click event was triggered.
|
|
|
+
|
|
|
+ if (IS_TOUCH_DEVICE && event.isTrusted && target === this.canvas) {
|
|
|
+ clearTimeout(this.clickCanvasTimeout);
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (action) {
|
|
|
+ case 'mix':
|
|
|
+ if (this.played) {
|
|
|
+ this.stop();
|
|
|
+ } else if (options.inline) {
|
|
|
+ if (this.fulled) {
|
|
|
+ this.exit();
|
|
|
+ } else {
|
|
|
+ this.full();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ this.hide();
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'hide':
|
|
|
+ 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(options.loop);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'play':
|
|
|
+ this.play(options.fullscreen);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'next':
|
|
|
+ this.next(options.loop);
|
|
|
+ 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();
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ },
|
|
|
+ dblclick: function dblclick(event) {
|
|
|
+ event.preventDefault();
|
|
|
+
|
|
|
+ if (this.viewed && event.target === this.image) {
|
|
|
+ // Cancel the emulated double click when the native dblclick event was triggered.
|
|
|
+ if (IS_TOUCH_DEVICE && event.isTrusted) {
|
|
|
+ clearTimeout(this.doubleClickImageTimeout);
|
|
|
+ }
|
|
|
+
|
|
|
+ this.toggle();
|
|
|
+ }
|
|
|
+ },
|
|
|
+ load: function load() {
|
|
|
+ var _this = this;
|
|
|
+
|
|
|
+ if (this.timeout) {
|
|
|
+ clearTimeout(this.timeout);
|
|
|
+ this.timeout = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options,
|
|
|
+ image = this.image,
|
|
|
+ index = this.index,
|
|
|
+ viewerData = this.viewerData;
|
|
|
+ removeClass(image, CLASS_INVISIBLE);
|
|
|
+
|
|
|
+ if (options.loading) {
|
|
|
+ removeClass(this.canvas, CLASS_LOADING);
|
|
|
+ }
|
|
|
+
|
|
|
+ image.style.cssText = 'height:0;' + "margin-left:".concat(viewerData.width / 2, "px;") + "margin-top:".concat(viewerData.height / 2, "px;") + 'max-width:none!important;' + 'position:absolute;' + 'width:0;';
|
|
|
+ this.initImage(function () {
|
|
|
+ toggleClass(image, CLASS_MOVE, options.movable);
|
|
|
+ toggleClass(image, CLASS_TRANSITION, options.transition);
|
|
|
+
|
|
|
+ _this.renderImage(function () {
|
|
|
+ _this.viewed = true;
|
|
|
+ _this.viewing = false;
|
|
|
+
|
|
|
+ if (isFunction(options.viewed)) {
|
|
|
+ addListener(element, EVENT_VIEWED, options.viewed, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ dispatchEvent(element, EVENT_VIEWED, {
|
|
|
+ originalImage: _this.images[index],
|
|
|
+ index: index,
|
|
|
+ image: image
|
|
|
+ });
|
|
|
+ });
|
|
|
+ });
|
|
|
+ },
|
|
|
+ loadImage: function loadImage(event) {
|
|
|
+ var image = event.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, assign({
|
|
|
+ width: width,
|
|
|
+ height: height
|
|
|
+ }, getTransforms({
|
|
|
+ translateX: (parentWidth - width) / 2,
|
|
|
+ translateY: (parentHeight - height) / 2
|
|
|
+ })));
|
|
|
+ });
|
|
|
+ },
|
|
|
+ keydown: function keydown(event) {
|
|
|
+ var options = this.options;
|
|
|
+
|
|
|
+ if (!this.fulled || !options.keyboard) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ switch (event.keyCode || event.which || event.charCode) {
|
|
|
+ // Escape
|
|
|
+ case 27:
|
|
|
+ if (this.played) {
|
|
|
+ this.stop();
|
|
|
+ } else if (options.inline) {
|
|
|
+ if (this.fulled) {
|
|
|
+ this.exit();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ this.hide();
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+ // Space
|
|
|
+
|
|
|
+ case 32:
|
|
|
+ if (this.played) {
|
|
|
+ this.stop();
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+ // ArrowLeft
|
|
|
+
|
|
|
+ case 37:
|
|
|
+ this.prev(options.loop);
|
|
|
+ break;
|
|
|
+ // ArrowUp
|
|
|
+
|
|
|
+ case 38:
|
|
|
+ // Prevent scroll on Firefox
|
|
|
+ event.preventDefault(); // Zoom in
|
|
|
+
|
|
|
+ this.zoom(options.zoomRatio, true);
|
|
|
+ break;
|
|
|
+ // ArrowRight
|
|
|
+
|
|
|
+ case 39:
|
|
|
+ this.next(options.loop);
|
|
|
+ break;
|
|
|
+ // ArrowDown
|
|
|
+
|
|
|
+ case 40:
|
|
|
+ // Prevent scroll on Firefox
|
|
|
+ event.preventDefault(); // Zoom out
|
|
|
+
|
|
|
+ this.zoom(-options.zoomRatio, true);
|
|
|
+ break;
|
|
|
+ // Ctrl + 0
|
|
|
+
|
|
|
+ case 48: // Fall through
|
|
|
+ // Ctrl + 1
|
|
|
+ // eslint-disable-next-line no-fallthrough
|
|
|
+
|
|
|
+ case 49:
|
|
|
+ if (event.ctrlKey) {
|
|
|
+ event.preventDefault();
|
|
|
+ this.toggle();
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ },
|
|
|
+ dragstart: function dragstart(event) {
|
|
|
+ if (event.target.tagName.toLowerCase() === 'img') {
|
|
|
+ event.preventDefault();
|
|
|
+ }
|
|
|
+ },
|
|
|
+ pointerdown: function pointerdown(event) {
|
|
|
+ var options = this.options,
|
|
|
+ pointers = this.pointers;
|
|
|
+ var buttons = event.buttons,
|
|
|
+ button = event.button;
|
|
|
+
|
|
|
+ if (!this.viewed || this.showing || this.viewing || this.hiding // Handle mouse event and pointer event and ignore touch event
|
|
|
+ || (event.type === 'mousedown' || event.type === 'pointerdown' && event.pointerType === 'mouse') && ( // No primary button (Usually the left button)
|
|
|
+ isNumber(buttons) && buttons !== 1 || isNumber(button) && button !== 0 // Open context menu
|
|
|
+ || event.ctrlKey)) {
|
|
|
+ return;
|
|
|
+ } // Prevent default behaviours as page zooming in touch devices.
|
|
|
+
|
|
|
+
|
|
|
+ event.preventDefault();
|
|
|
+
|
|
|
+ if (event.changedTouches) {
|
|
|
+ forEach(event.changedTouches, function (touch) {
|
|
|
+ pointers[touch.identifier] = getPointer(touch);
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ pointers[event.pointerId || 0] = getPointer(event);
|
|
|
+ }
|
|
|
+
|
|
|
+ var action = options.movable ? ACTION_MOVE : false;
|
|
|
+
|
|
|
+ if (options.zoomOnTouch && options.zoomable && Object.keys(pointers).length > 1) {
|
|
|
+ action = ACTION_ZOOM;
|
|
|
+ } else if (options.slideOnTouch && (event.pointerType === 'touch' || event.type === 'touchstart') && this.isSwitchable()) {
|
|
|
+ action = ACTION_SWITCH;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.transition && (action === ACTION_MOVE || action === ACTION_ZOOM)) {
|
|
|
+ removeClass(this.image, CLASS_TRANSITION);
|
|
|
+ }
|
|
|
+
|
|
|
+ this.action = action;
|
|
|
+ },
|
|
|
+ pointermove: function pointermove(event) {
|
|
|
+ var pointers = this.pointers,
|
|
|
+ action = this.action;
|
|
|
+
|
|
|
+ if (!this.viewed || !action) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ event.preventDefault();
|
|
|
+
|
|
|
+ if (event.changedTouches) {
|
|
|
+ forEach(event.changedTouches, function (touch) {
|
|
|
+ assign(pointers[touch.identifier] || {}, getPointer(touch, true));
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ assign(pointers[event.pointerId || 0] || {}, getPointer(event, true));
|
|
|
+ }
|
|
|
+
|
|
|
+ this.change(event);
|
|
|
+ },
|
|
|
+ pointerup: function pointerup(event) {
|
|
|
+ var _this2 = this;
|
|
|
+
|
|
|
+ var options = this.options,
|
|
|
+ action = this.action,
|
|
|
+ pointers = this.pointers;
|
|
|
+ var pointer;
|
|
|
+
|
|
|
+ if (event.changedTouches) {
|
|
|
+ forEach(event.changedTouches, function (touch) {
|
|
|
+ pointer = pointers[touch.identifier];
|
|
|
+ delete pointers[touch.identifier];
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ pointer = pointers[event.pointerId || 0];
|
|
|
+ delete pointers[event.pointerId || 0];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!action) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ event.preventDefault();
|
|
|
+
|
|
|
+ if (options.transition && (action === ACTION_MOVE || action === ACTION_ZOOM)) {
|
|
|
+ addClass(this.image, CLASS_TRANSITION);
|
|
|
+ }
|
|
|
+
|
|
|
+ this.action = false; // Emulate click and double click in touch devices to support backdrop and image zooming (#210).
|
|
|
+
|
|
|
+ if (IS_TOUCH_DEVICE && action !== ACTION_ZOOM && pointer && Date.now() - pointer.timeStamp < 500) {
|
|
|
+ clearTimeout(this.clickCanvasTimeout);
|
|
|
+ clearTimeout(this.doubleClickImageTimeout);
|
|
|
+
|
|
|
+ if (options.toggleOnDblclick && this.viewed && event.target === this.image) {
|
|
|
+ if (this.imageClicked) {
|
|
|
+ this.imageClicked = false; // This timeout will be cleared later when a native dblclick event is triggering
|
|
|
+
|
|
|
+ this.doubleClickImageTimeout = setTimeout(function () {
|
|
|
+ dispatchEvent(_this2.image, EVENT_DBLCLICK);
|
|
|
+ }, 50);
|
|
|
+ } else {
|
|
|
+ this.imageClicked = true; // The default timing of a double click in Windows is 500 ms
|
|
|
+
|
|
|
+ this.doubleClickImageTimeout = setTimeout(function () {
|
|
|
+ _this2.imageClicked = false;
|
|
|
+ }, 500);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ this.imageClicked = false;
|
|
|
+
|
|
|
+ if (options.backdrop && options.backdrop !== 'static' && event.target === this.canvas) {
|
|
|
+ // This timeout will be cleared later when a native click event is triggering
|
|
|
+ this.clickCanvasTimeout = setTimeout(function () {
|
|
|
+ dispatchEvent(_this2.canvas, EVENT_CLICK);
|
|
|
+ }, 50);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ resize: function resize() {
|
|
|
+ var _this3 = this;
|
|
|
+
|
|
|
+ if (!this.isShown || this.hiding) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.initContainer();
|
|
|
+ this.initViewer();
|
|
|
+ this.renderViewer();
|
|
|
+ this.renderList();
|
|
|
+
|
|
|
+ if (this.viewed) {
|
|
|
+ this.initImage(function () {
|
|
|
+ _this3.renderImage();
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.played) {
|
|
|
+ if (this.options.fullscreen && this.fulled && !(document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement)) {
|
|
|
+ this.stop();
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ forEach(this.player.getElementsByTagName('img'), function (image) {
|
|
|
+ addListener(image, EVENT_LOAD, _this3.loadImage.bind(_this3), {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ dispatchEvent(image, EVENT_LOAD);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ },
|
|
|
+ wheel: function wheel(event) {
|
|
|
+ var _this4 = this;
|
|
|
+
|
|
|
+ if (!this.viewed) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ event.preventDefault(); // Limit wheel speed to prevent zoom too fast
|
|
|
+
|
|
|
+ if (this.wheeling) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.wheeling = true;
|
|
|
+ setTimeout(function () {
|
|
|
+ _this4.wheeling = false;
|
|
|
+ }, 50);
|
|
|
+ var ratio = Number(this.options.zoomRatio) || 0.1;
|
|
|
+ var delta = 1;
|
|
|
+
|
|
|
+ if (event.deltaY) {
|
|
|
+ delta = event.deltaY > 0 ? 1 : -1;
|
|
|
+ } else if (event.wheelDelta) {
|
|
|
+ delta = -event.wheelDelta / 120;
|
|
|
+ } else if (event.detail) {
|
|
|
+ delta = event.detail > 0 ? 1 : -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.zoom(-delta * ratio, true, event);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var methods = {
|
|
|
+ /** Show the viewer (only available in modal mode)
|
|
|
+ * @param {boolean} [immediate=false] - Indicates if show the viewer immediately or not.
|
|
|
+ * @returns {Viewer} this
|
|
|
+ */
|
|
|
+ show: function show() {
|
|
|
+ var immediate = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options;
|
|
|
+
|
|
|
+ if (options.inline || this.showing || this.isShown || this.showing) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!this.ready) {
|
|
|
+ this.build();
|
|
|
+
|
|
|
+ if (this.ready) {
|
|
|
+ this.show(immediate);
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isFunction(options.show)) {
|
|
|
+ addListener(element, EVENT_SHOW, options.show, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dispatchEvent(element, EVENT_SHOW) === false || !this.ready) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.hiding) {
|
|
|
+ this.transitioning.abort();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.showing = true;
|
|
|
+ this.open();
|
|
|
+ var viewer = this.viewer;
|
|
|
+ removeClass(viewer, CLASS_HIDE);
|
|
|
+
|
|
|
+ if (options.transition && !immediate) {
|
|
|
+ var shown = this.shown.bind(this);
|
|
|
+ this.transitioning = {
|
|
|
+ abort: function abort() {
|
|
|
+ removeListener(viewer, EVENT_TRANSITION_END, shown);
|
|
|
+ removeClass(viewer, CLASS_IN);
|
|
|
+ }
|
|
|
+ };
|
|
|
+ addClass(viewer, CLASS_TRANSITION); // Force reflow to enable CSS3 transition
|
|
|
+
|
|
|
+ viewer.initialOffsetWidth = viewer.offsetWidth;
|
|
|
+ addListener(viewer, EVENT_TRANSITION_END, shown, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ addClass(viewer, CLASS_IN);
|
|
|
+ } else {
|
|
|
+ addClass(viewer, CLASS_IN);
|
|
|
+ this.shown();
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Hide the viewer (only available in modal mode)
|
|
|
+ * @param {boolean} [immediate=false] - Indicates if hide the viewer immediately or not.
|
|
|
+ * @returns {Viewer} this
|
|
|
+ */
|
|
|
+ hide: function hide() {
|
|
|
+ var immediate = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options;
|
|
|
+
|
|
|
+ if (options.inline || this.hiding || !(this.isShown || this.showing)) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isFunction(options.hide)) {
|
|
|
+ addListener(element, EVENT_HIDE, options.hide, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dispatchEvent(element, EVENT_HIDE) === false) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.showing) {
|
|
|
+ this.transitioning.abort();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.hiding = true;
|
|
|
+
|
|
|
+ if (this.played) {
|
|
|
+ this.stop();
|
|
|
+ } else if (this.viewing) {
|
|
|
+ this.viewing.abort();
|
|
|
+ }
|
|
|
+
|
|
|
+ var viewer = this.viewer;
|
|
|
+
|
|
|
+ if (options.transition && !immediate) {
|
|
|
+ var hidden = this.hidden.bind(this);
|
|
|
+
|
|
|
+ var hide = function hide() {
|
|
|
+ // XXX: It seems the `event.stopPropagation()` method does not work here
|
|
|
+ setTimeout(function () {
|
|
|
+ addListener(viewer, EVENT_TRANSITION_END, hidden, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ removeClass(viewer, CLASS_IN);
|
|
|
+ }, 0);
|
|
|
+ };
|
|
|
+
|
|
|
+ this.transitioning = {
|
|
|
+ abort: function abort() {
|
|
|
+ if (this.viewed) {
|
|
|
+ removeListener(this.image, EVENT_TRANSITION_END, hide);
|
|
|
+ } else {
|
|
|
+ removeListener(viewer, EVENT_TRANSITION_END, hidden);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }; // Note that the `CLASS_TRANSITION` class will be removed on pointer down (#255)
|
|
|
+
|
|
|
+ if (this.viewed && hasClass(this.image, CLASS_TRANSITION)) {
|
|
|
+ addListener(this.image, EVENT_TRANSITION_END, hide, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ this.zoomTo(0, false, false, true);
|
|
|
+ } else {
|
|
|
+ hide();
|
|
|
+ }
|
|
|
+ } 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 {Viewer} this
|
|
|
+ */
|
|
|
+ view: function view() {
|
|
|
+ var _this = this;
|
|
|
+
|
|
|
+ var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.options.initialViewIndex;
|
|
|
+ index = Number(index) || 0;
|
|
|
+
|
|
|
+ if (this.hiding || this.played || index < 0 || index >= this.length || this.viewed && index === this.index) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!this.isShown) {
|
|
|
+ this.index = index;
|
|
|
+ return this.show();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.viewing) {
|
|
|
+ this.viewing.abort();
|
|
|
+ }
|
|
|
+
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options,
|
|
|
+ title = this.title,
|
|
|
+ canvas = this.canvas;
|
|
|
+ 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 (isFunction(options.view)) {
|
|
|
+ addListener(element, EVENT_VIEW, options.view, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dispatchEvent(element, EVENT_VIEW, {
|
|
|
+ originalImage: this.images[index],
|
|
|
+ index: index,
|
|
|
+ image: image
|
|
|
+ }) === false || !this.isShown || this.hiding || this.played) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.image = image;
|
|
|
+ removeClass(this.items[this.index], CLASS_ACTIVE);
|
|
|
+ addClass(item, CLASS_ACTIVE);
|
|
|
+ this.viewed = false;
|
|
|
+ this.index = index;
|
|
|
+ this.imageData = {};
|
|
|
+ addClass(image, CLASS_INVISIBLE);
|
|
|
+
|
|
|
+ if (options.loading) {
|
|
|
+ addClass(canvas, CLASS_LOADING);
|
|
|
+ }
|
|
|
+
|
|
|
+ canvas.innerHTML = '';
|
|
|
+ canvas.appendChild(image); // Center current item
|
|
|
+
|
|
|
+ this.renderList(); // Clear title
|
|
|
+
|
|
|
+ title.innerHTML = ''; // Generate title after viewed
|
|
|
+
|
|
|
+ var onViewed = function onViewed() {
|
|
|
+ var imageData = _this.imageData;
|
|
|
+ var render = Array.isArray(options.title) ? options.title[1] : options.title;
|
|
|
+ title.innerHTML = escapeHTMLEntities(isFunction(render) ? render.call(_this, image, imageData) : "".concat(alt, " (").concat(imageData.naturalWidth, " \xD7 ").concat(imageData.naturalHeight, ")"));
|
|
|
+ };
|
|
|
+
|
|
|
+ var onLoad;
|
|
|
+ addListener(element, EVENT_VIEWED, onViewed, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ this.viewing = {
|
|
|
+ abort: function abort() {
|
|
|
+ removeListener(element, EVENT_VIEWED, onViewed);
|
|
|
+
|
|
|
+ if (image.complete) {
|
|
|
+ if (this.imageRendering) {
|
|
|
+ this.imageRendering.abort();
|
|
|
+ } else if (this.imageInitializing) {
|
|
|
+ this.imageInitializing.abort();
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // Cancel download to save bandwidth.
|
|
|
+ image.src = '';
|
|
|
+ removeListener(image, EVENT_LOAD, onLoad);
|
|
|
+
|
|
|
+ if (this.timeout) {
|
|
|
+ clearTimeout(this.timeout);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ if (image.complete) {
|
|
|
+ this.load();
|
|
|
+ } else {
|
|
|
+ addListener(image, EVENT_LOAD, onLoad = this.load.bind(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);
|
|
|
+ _this.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 {Viewer} 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 {Viewer} 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 {Viewer} 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 {Viewer} 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 {Viewer} 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 {Viewer} this
|
|
|
+ */
|
|
|
+ zoomTo: function zoomTo(ratio) {
|
|
|
+ var _this2 = this;
|
|
|
+
|
|
|
+ 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 element = this.element,
|
|
|
+ options = this.options,
|
|
|
+ pointers = this.pointers,
|
|
|
+ imageData = this.imageData;
|
|
|
+ var width = imageData.width,
|
|
|
+ height = imageData.height,
|
|
|
+ left = imageData.left,
|
|
|
+ top = imageData.top,
|
|
|
+ naturalWidth = imageData.naturalWidth,
|
|
|
+ naturalHeight = imageData.naturalHeight;
|
|
|
+ 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 = naturalWidth * ratio;
|
|
|
+ var newHeight = naturalHeight * ratio;
|
|
|
+ var offsetWidth = newWidth - width;
|
|
|
+ var offsetHeight = newHeight - height;
|
|
|
+ var oldRatio = width / naturalWidth;
|
|
|
+
|
|
|
+ if (isFunction(options.zoom)) {
|
|
|
+ addListener(element, EVENT_ZOOM, options.zoom, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dispatchEvent(element, EVENT_ZOOM, {
|
|
|
+ ratio: ratio,
|
|
|
+ oldRatio: oldRatio,
|
|
|
+ originalEvent: _originalEvent
|
|
|
+ }) === false) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.zooming = true;
|
|
|
+
|
|
|
+ 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 -= offsetWidth * ((center.pageX - offset.left - left) / width);
|
|
|
+ imageData.top -= offsetHeight * ((center.pageY - offset.top - top) / height);
|
|
|
+ } else {
|
|
|
+ // Zoom from the center of the image
|
|
|
+ imageData.left -= offsetWidth / 2;
|
|
|
+ imageData.top -= offsetHeight / 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ imageData.width = newWidth;
|
|
|
+ imageData.height = newHeight;
|
|
|
+ imageData.ratio = ratio;
|
|
|
+ this.renderImage(function () {
|
|
|
+ _this2.zooming = false;
|
|
|
+
|
|
|
+ if (isFunction(options.zoomed)) {
|
|
|
+ addListener(element, EVENT_ZOOMED, options.zoomed, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ dispatchEvent(element, EVENT_ZOOMED, {
|
|
|
+ ratio: ratio,
|
|
|
+ oldRatio: oldRatio,
|
|
|
+ originalEvent: _originalEvent
|
|
|
+ });
|
|
|
+ });
|
|
|
+
|
|
|
+ if (hasTooltip) {
|
|
|
+ this.tooltip();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Rotate the image with a relative degree.
|
|
|
+ * @param {number} degree - The rotate degree.
|
|
|
+ * @returns {Viewer} 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 {Viewer} 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 {Viewer} 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 {Viewer} 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 {Viewer} 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
|
|
|
+ * @param {boolean} [fullscreen=false] - Indicate if request fullscreen or not.
|
|
|
+ * @returns {Viewer} this
|
|
|
+ */
|
|
|
+ play: function play() {
|
|
|
+ var _this3 = this;
|
|
|
+
|
|
|
+ var fullscreen = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
|
|
+
|
|
|
+ if (!this.isShown || this.played) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ var options = this.options,
|
|
|
+ player = this.player;
|
|
|
+ var onLoad = this.loadImage.bind(this);
|
|
|
+ var list = [];
|
|
|
+ var total = 0;
|
|
|
+ var index = 0;
|
|
|
+ this.played = true;
|
|
|
+ this.onLoadWhenPlay = onLoad;
|
|
|
+
|
|
|
+ if (fullscreen) {
|
|
|
+ this.requestFullscreen();
|
|
|
+ }
|
|
|
+
|
|
|
+ addClass(player, CLASS_SHOW);
|
|
|
+ forEach(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, onLoad, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ player.appendChild(image);
|
|
|
+ });
|
|
|
+
|
|
|
+ if (isNumber(options.interval) && options.interval > 0) {
|
|
|
+ var play = function play() {
|
|
|
+ _this3.playing = setTimeout(function () {
|
|
|
+ removeClass(list[index], CLASS_IN);
|
|
|
+ index += 1;
|
|
|
+ index = index < total ? index : 0;
|
|
|
+ addClass(list[index], CLASS_IN);
|
|
|
+ play();
|
|
|
+ }, options.interval);
|
|
|
+ };
|
|
|
+
|
|
|
+ if (total > 1) {
|
|
|
+ play();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+ // Stop play
|
|
|
+ stop: function stop() {
|
|
|
+ var _this4 = this;
|
|
|
+
|
|
|
+ if (!this.played) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ var player = this.player;
|
|
|
+ this.played = false;
|
|
|
+ clearTimeout(this.playing);
|
|
|
+ forEach(player.getElementsByTagName('img'), function (image) {
|
|
|
+ removeListener(image, EVENT_LOAD, _this4.onLoadWhenPlay);
|
|
|
+ });
|
|
|
+ removeClass(player, CLASS_SHOW);
|
|
|
+ player.innerHTML = '';
|
|
|
+ this.exitFullscreen();
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+ // Enter modal mode (only available in inline mode)
|
|
|
+ full: function full() {
|
|
|
+ var _this5 = this;
|
|
|
+
|
|
|
+ var options = this.options,
|
|
|
+ viewer = this.viewer,
|
|
|
+ image = this.image,
|
|
|
+ list = this.list;
|
|
|
+
|
|
|
+ if (!this.isShown || this.played || this.fulled || !options.inline) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.fulled = true;
|
|
|
+ this.open();
|
|
|
+ addClass(this.button, CLASS_FULLSCREEN_EXIT);
|
|
|
+
|
|
|
+ if (options.transition) {
|
|
|
+ removeClass(list, CLASS_TRANSITION);
|
|
|
+
|
|
|
+ if (this.viewed) {
|
|
|
+ removeClass(image, CLASS_TRANSITION);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ addClass(viewer, CLASS_FIXED);
|
|
|
+ viewer.setAttribute('style', '');
|
|
|
+ setStyle(viewer, {
|
|
|
+ zIndex: options.zIndex
|
|
|
+ });
|
|
|
+ this.initContainer();
|
|
|
+ this.viewerData = assign({}, this.containerData);
|
|
|
+ this.renderList();
|
|
|
+
|
|
|
+ if (this.viewed) {
|
|
|
+ this.initImage(function () {
|
|
|
+ _this5.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 _this6 = this;
|
|
|
+
|
|
|
+ var options = this.options,
|
|
|
+ viewer = this.viewer,
|
|
|
+ image = this.image,
|
|
|
+ list = this.list;
|
|
|
+
|
|
|
+ if (!this.isShown || this.played || !this.fulled || !options.inline) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.fulled = false;
|
|
|
+ this.close();
|
|
|
+ removeClass(this.button, CLASS_FULLSCREEN_EXIT);
|
|
|
+
|
|
|
+ if (options.transition) {
|
|
|
+ removeClass(list, CLASS_TRANSITION);
|
|
|
+
|
|
|
+ if (this.viewed) {
|
|
|
+ removeClass(image, CLASS_TRANSITION);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ removeClass(viewer, CLASS_FIXED);
|
|
|
+ setStyle(viewer, {
|
|
|
+ zIndex: options.zIndexInline
|
|
|
+ });
|
|
|
+ this.viewerData = assign({}, this.parentData);
|
|
|
+ this.renderViewer();
|
|
|
+ this.renderList();
|
|
|
+
|
|
|
+ if (this.viewed) {
|
|
|
+ this.initImage(function () {
|
|
|
+ _this6.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 _this7 = this;
|
|
|
+
|
|
|
+ var options = this.options,
|
|
|
+ tooltipBox = this.tooltipBox,
|
|
|
+ imageData = this.imageData;
|
|
|
+
|
|
|
+ if (!this.viewed || this.played || !options.tooltip) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ tooltipBox.textContent = "".concat(Math.round(imageData.ratio * 100), "%");
|
|
|
+
|
|
|
+ if (!this.tooltipping) {
|
|
|
+ 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
|
|
|
+
|
|
|
+ tooltipBox.initialOffsetWidth = tooltipBox.offsetWidth;
|
|
|
+ addClass(tooltipBox, CLASS_IN);
|
|
|
+ } else {
|
|
|
+ addClass(tooltipBox, CLASS_SHOW);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ clearTimeout(this.tooltipping);
|
|
|
+ }
|
|
|
+
|
|
|
+ this.tooltipping = setTimeout(function () {
|
|
|
+ if (options.transition) {
|
|
|
+ addListener(tooltipBox, EVENT_TRANSITION_END, function () {
|
|
|
+ removeClass(tooltipBox, CLASS_SHOW);
|
|
|
+ removeClass(tooltipBox, CLASS_FADE);
|
|
|
+ removeClass(tooltipBox, CLASS_TRANSITION);
|
|
|
+ _this7.fading = false;
|
|
|
+ }, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ removeClass(tooltipBox, CLASS_IN);
|
|
|
+ _this7.fading = true;
|
|
|
+ } else {
|
|
|
+ removeClass(tooltipBox, CLASS_SHOW);
|
|
|
+ }
|
|
|
+
|
|
|
+ _this7.tooltipping = 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 = assign({}, this.initialImageData);
|
|
|
+ this.renderImage();
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+ // Update viewer when images changed
|
|
|
+ update: function update() {
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options,
|
|
|
+ isImg = this.isImg; // Destroy viewer if the target image was deleted
|
|
|
+
|
|
|
+ if (isImg && !element.parentNode) {
|
|
|
+ return this.destroy();
|
|
|
+ }
|
|
|
+
|
|
|
+ var images = [];
|
|
|
+ forEach(isImg ? [element] : element.querySelectorAll('img'), function (image) {
|
|
|
+ if (options.filter) {
|
|
|
+ if (options.filter(image)) {
|
|
|
+ images.push(image);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ images.push(image);
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if (!images.length) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.images = images;
|
|
|
+ this.length = images.length;
|
|
|
+
|
|
|
+ if (this.ready) {
|
|
|
+ var indexes = [];
|
|
|
+ forEach(this.items, function (item, i) {
|
|
|
+ var img = item.querySelector('img');
|
|
|
+ var image = images[i];
|
|
|
+
|
|
|
+ if (image && img) {
|
|
|
+ if (image.src !== img.src) {
|
|
|
+ indexes.push(i);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ indexes.push(i);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ setStyle(this.list, {
|
|
|
+ width: 'auto'
|
|
|
+ });
|
|
|
+ this.initList();
|
|
|
+
|
|
|
+ if (this.isShown) {
|
|
|
+ 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 = {};
|
|
|
+ this.canvas.innerHTML = '';
|
|
|
+ this.title.innerHTML = '';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ this.build();
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+ // Destroy the viewer
|
|
|
+ destroy: function destroy() {
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options;
|
|
|
+
|
|
|
+ if (!element[NAMESPACE]) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.destroyed = true;
|
|
|
+
|
|
|
+ if (this.ready) {
|
|
|
+ if (this.played) {
|
|
|
+ this.stop();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.inline) {
|
|
|
+ if (this.fulled) {
|
|
|
+ this.exit();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.unbind();
|
|
|
+ } else if (this.isShown) {
|
|
|
+ if (this.viewing) {
|
|
|
+ if (this.imageRendering) {
|
|
|
+ this.imageRendering.abort();
|
|
|
+ } else if (this.imageInitializing) {
|
|
|
+ this.imageInitializing.abort();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.hiding) {
|
|
|
+ this.transitioning.abort();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.hidden();
|
|
|
+ } else if (this.showing) {
|
|
|
+ this.transitioning.abort();
|
|
|
+ this.hidden();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.ready = false;
|
|
|
+ this.viewer.parentNode.removeChild(this.viewer);
|
|
|
+ } else if (options.inline) {
|
|
|
+ if (this.delaying) {
|
|
|
+ this.delaying.abort();
|
|
|
+ } else if (this.initializing) {
|
|
|
+ this.initializing.abort();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!options.inline) {
|
|
|
+ removeListener(element, EVENT_CLICK, this.onStart);
|
|
|
+ }
|
|
|
+
|
|
|
+ element[NAMESPACE] = undefined;
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var others = {
|
|
|
+ open: function open() {
|
|
|
+ var body = this.body;
|
|
|
+ addClass(body, CLASS_OPEN);
|
|
|
+ body.style.paddingRight = "".concat(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.fulled = true;
|
|
|
+ this.isShown = true;
|
|
|
+ this.render();
|
|
|
+ this.bind();
|
|
|
+ this.showing = false;
|
|
|
+
|
|
|
+ if (isFunction(options.shown)) {
|
|
|
+ addListener(element, EVENT_SHOWN, options.shown, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dispatchEvent(element, EVENT_SHOWN) === false) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.ready && this.isShown && !this.hiding) {
|
|
|
+ this.view(this.index);
|
|
|
+ }
|
|
|
+ },
|
|
|
+ hidden: function hidden() {
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options;
|
|
|
+ this.fulled = false;
|
|
|
+ this.viewed = false;
|
|
|
+ this.isShown = false;
|
|
|
+ this.close();
|
|
|
+ this.unbind();
|
|
|
+ addClass(this.viewer, CLASS_HIDE);
|
|
|
+ this.resetList();
|
|
|
+ this.resetImage();
|
|
|
+ this.hiding = false;
|
|
|
+
|
|
|
+ if (!this.destroyed) {
|
|
|
+ if (isFunction(options.hidden)) {
|
|
|
+ addListener(element, EVENT_HIDDEN, options.hidden, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ dispatchEvent(element, EVENT_HIDDEN);
|
|
|
+ }
|
|
|
+ },
|
|
|
+ requestFullscreen: function requestFullscreen() {
|
|
|
+ var document = this.element.ownerDocument;
|
|
|
+
|
|
|
+ if (this.fulled && !(document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement)) {
|
|
|
+ var documentElement = document.documentElement; // Element.requestFullscreen()
|
|
|
+
|
|
|
+ if (documentElement.requestFullscreen) {
|
|
|
+ documentElement.requestFullscreen();
|
|
|
+ } else if (documentElement.webkitRequestFullscreen) {
|
|
|
+ documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
|
|
|
+ } else if (documentElement.mozRequestFullScreen) {
|
|
|
+ documentElement.mozRequestFullScreen();
|
|
|
+ } else if (documentElement.msRequestFullscreen) {
|
|
|
+ documentElement.msRequestFullscreen();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ exitFullscreen: function exitFullscreen() {
|
|
|
+ var document = this.element.ownerDocument;
|
|
|
+
|
|
|
+ if (this.fulled && (document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement)) {
|
|
|
+ // Document.exitFullscreen()
|
|
|
+ if (document.exitFullscreen) {
|
|
|
+ document.exitFullscreen();
|
|
|
+ } else if (document.webkitExitFullscreen) {
|
|
|
+ document.webkitExitFullscreen();
|
|
|
+ } else if (document.mozCancelFullScreen) {
|
|
|
+ document.mozCancelFullScreen();
|
|
|
+ } else if (document.msExitFullscreen) {
|
|
|
+ document.msExitFullscreen();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ change: function change(event) {
|
|
|
+ var options = this.options,
|
|
|
+ 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, event);
|
|
|
+ break;
|
|
|
+
|
|
|
+ case ACTION_SWITCH:
|
|
|
+ {
|
|
|
+ this.action = 'switched';
|
|
|
+ var absoluteOffsetX = Math.abs(offsetX);
|
|
|
+
|
|
|
+ if (absoluteOffsetX > 1 && absoluteOffsetX > Math.abs(offsetY)) {
|
|
|
+ // Empty `pointers` as `touchend` event will not be fired after swiped in iOS browsers.
|
|
|
+ this.pointers = {};
|
|
|
+
|
|
|
+ if (offsetX > 1) {
|
|
|
+ this.prev(options.loop);
|
|
|
+ } else if (offsetX < -1) {
|
|
|
+ this.next(options.loop);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } // Override
|
|
|
+
|
|
|
+
|
|
|
+ forEach(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 AnotherViewer = WINDOW.Viewer;
|
|
|
+
|
|
|
+ var Viewer =
|
|
|
+ /*#__PURE__*/
|
|
|
+ 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 = assign({}, DEFAULTS, isPlainObject(options) && options);
|
|
|
+ this.action = false;
|
|
|
+ this.fading = false;
|
|
|
+ this.fulled = false;
|
|
|
+ this.hiding = false;
|
|
|
+ this.imageClicked = false;
|
|
|
+ this.imageData = {};
|
|
|
+ this.index = this.options.initialViewIndex;
|
|
|
+ this.isImg = false;
|
|
|
+ this.isShown = false;
|
|
|
+ this.length = 0;
|
|
|
+ this.played = false;
|
|
|
+ this.playing = false;
|
|
|
+ this.pointers = {};
|
|
|
+ this.ready = false;
|
|
|
+ this.showing = false;
|
|
|
+ this.timeout = false;
|
|
|
+ this.tooltipping = false;
|
|
|
+ this.viewed = false;
|
|
|
+ this.viewing = false;
|
|
|
+ this.wheeling = false;
|
|
|
+ this.zooming = false;
|
|
|
+ this.init();
|
|
|
+ }
|
|
|
+
|
|
|
+ _createClass(Viewer, [{
|
|
|
+ key: "init",
|
|
|
+ value: function init() {
|
|
|
+ var _this = this;
|
|
|
+
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options;
|
|
|
+
|
|
|
+ if (element[NAMESPACE]) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ element[NAMESPACE] = this;
|
|
|
+ var isImg = element.tagName.toLowerCase() === 'img';
|
|
|
+ var images = [];
|
|
|
+ forEach(isImg ? [element] : element.querySelectorAll('img'), function (image) {
|
|
|
+ if (isFunction(options.filter)) {
|
|
|
+ if (options.filter.call(_this, image)) {
|
|
|
+ images.push(image);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ images.push(image);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ this.isImg = isImg;
|
|
|
+ this.length = images.length;
|
|
|
+ this.images = images;
|
|
|
+ var ownerDocument = element.ownerDocument;
|
|
|
+ var body = ownerDocument.body || ownerDocument.documentElement;
|
|
|
+ this.body = body;
|
|
|
+ this.scrollbarWidth = window.innerWidth - ownerDocument.documentElement.clientWidth;
|
|
|
+ this.initialBodyPaddingRight = window.getComputedStyle(body).paddingRight; // Override `transition` option if it is not supported
|
|
|
+
|
|
|
+ if (isUndefined(document.createElement(NAMESPACE).style.transition)) {
|
|
|
+ options.transition = false;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.inline) {
|
|
|
+ var count = 0;
|
|
|
+
|
|
|
+ var progress = function progress() {
|
|
|
+ count += 1;
|
|
|
+
|
|
|
+ if (count === _this.length) {
|
|
|
+ var timeout;
|
|
|
+ _this.initializing = false;
|
|
|
+ _this.delaying = {
|
|
|
+ abort: function abort() {
|
|
|
+ clearTimeout(timeout);
|
|
|
+ }
|
|
|
+ }; // build asynchronously to keep `this.viewer` is accessible in `ready` event handler.
|
|
|
+
|
|
|
+ timeout = setTimeout(function () {
|
|
|
+ _this.delaying = false;
|
|
|
+
|
|
|
+ _this.build();
|
|
|
+ }, 0);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ this.initializing = {
|
|
|
+ abort: function abort() {
|
|
|
+ forEach(images, function (image) {
|
|
|
+ if (!image.complete) {
|
|
|
+ removeListener(image, EVENT_LOAD, progress);
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ };
|
|
|
+ forEach(images, function (image) {
|
|
|
+ if (image.complete) {
|
|
|
+ progress();
|
|
|
+ } else {
|
|
|
+ addListener(image, EVENT_LOAD, progress, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ addListener(element, EVENT_CLICK, this.onStart = function (_ref) {
|
|
|
+ var target = _ref.target;
|
|
|
+
|
|
|
+ if (target.tagName.toLowerCase() === 'img' && (!isFunction(options.filter) || options.filter.call(_this, target))) {
|
|
|
+ _this.view(_this.images.indexOf(target));
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }, {
|
|
|
+ key: "build",
|
|
|
+ value: function build() {
|
|
|
+ if (this.ready) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options;
|
|
|
+ var parent = element.parentNode;
|
|
|
+ var template = document.createElement('div');
|
|
|
+ template.innerHTML = TEMPLATE;
|
|
|
+ var viewer = template.querySelector(".".concat(NAMESPACE, "-container"));
|
|
|
+ var title = viewer.querySelector(".".concat(NAMESPACE, "-title"));
|
|
|
+ var toolbar = viewer.querySelector(".".concat(NAMESPACE, "-toolbar"));
|
|
|
+ var navbar = viewer.querySelector(".".concat(NAMESPACE, "-navbar"));
|
|
|
+ var button = viewer.querySelector(".".concat(NAMESPACE, "-button"));
|
|
|
+ var canvas = viewer.querySelector(".".concat(NAMESPACE, "-canvas"));
|
|
|
+ this.parent = parent;
|
|
|
+ this.viewer = viewer;
|
|
|
+ this.title = title;
|
|
|
+ this.toolbar = toolbar;
|
|
|
+ this.navbar = navbar;
|
|
|
+ this.button = button;
|
|
|
+ this.canvas = canvas;
|
|
|
+ this.footer = viewer.querySelector(".".concat(NAMESPACE, "-footer"));
|
|
|
+ this.tooltipBox = viewer.querySelector(".".concat(NAMESPACE, "-tooltip"));
|
|
|
+ this.player = viewer.querySelector(".".concat(NAMESPACE, "-player"));
|
|
|
+ this.list = viewer.querySelector(".".concat(NAMESPACE, "-list"));
|
|
|
+ addClass(title, !options.title ? CLASS_HIDE : getResponsiveClass(Array.isArray(options.title) ? options.title[0] : options.title));
|
|
|
+ addClass(navbar, !options.navbar ? CLASS_HIDE : getResponsiveClass(options.navbar));
|
|
|
+ toggleClass(button, CLASS_HIDE, !options.button);
|
|
|
+
|
|
|
+ if (options.backdrop) {
|
|
|
+ addClass(viewer, "".concat(NAMESPACE, "-backdrop"));
|
|
|
+
|
|
|
+ if (!options.inline && options.backdrop !== 'static') {
|
|
|
+ setData(canvas, DATA_ACTION, 'hide');
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isString(options.className) && options.className) {
|
|
|
+ // In case there are multiple class names
|
|
|
+ options.className.split(REGEXP_SPACES).forEach(function (className) {
|
|
|
+ addClass(viewer, className);
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ 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));
|
|
|
+ }
|
|
|
+
|
|
|
+ forEach(custom ? options.toolbar : BUTTONS, function (value, index) {
|
|
|
+ var deep = custom && isPlainObject(value);
|
|
|
+ var name = custom ? hyphenate(index) : value;
|
|
|
+ var show = deep && !isUndefined(value.show) ? 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 && !isUndefined(value.size) ? value.size : value;
|
|
|
+ var click = deep && !isUndefined(value.click) ? value.click : value;
|
|
|
+ var item = document.createElement('li');
|
|
|
+ item.setAttribute('role', 'button');
|
|
|
+ addClass(item, "".concat(NAMESPACE, "-").concat(name));
|
|
|
+
|
|
|
+ if (!isFunction(click)) {
|
|
|
+ setData(item, DATA_ACTION, name);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(show)) {
|
|
|
+ addClass(item, getResponsiveClass(show));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (['small', 'large'].indexOf(size) !== -1) {
|
|
|
+ addClass(item, "".concat(NAMESPACE, "-").concat(size));
|
|
|
+ } else if (name === 'play') {
|
|
|
+ addClass(item, "".concat(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);
|
|
|
+ forEach(rotates, function (rotate) {
|
|
|
+ toolbar.appendChild(rotate);
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.inline) {
|
|
|
+ addClass(button, CLASS_FULLSCREEN);
|
|
|
+ setStyle(viewer, {
|
|
|
+ zIndex: options.zIndexInline
|
|
|
+ });
|
|
|
+
|
|
|
+ if (window.getComputedStyle(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
|
|
|
+ });
|
|
|
+ var container = options.container;
|
|
|
+
|
|
|
+ if (isString(container)) {
|
|
|
+ container = element.ownerDocument.querySelector(container);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!container) {
|
|
|
+ container = this.body;
|
|
|
+ }
|
|
|
+
|
|
|
+ container.appendChild(viewer);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.inline) {
|
|
|
+ this.render();
|
|
|
+ this.bind();
|
|
|
+ this.isShown = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.ready = true;
|
|
|
+
|
|
|
+ if (isFunction(options.ready)) {
|
|
|
+ addListener(element, EVENT_READY, options.ready, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dispatchEvent(element, EVENT_READY) === false) {
|
|
|
+ this.ready = false;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.ready && options.inline) {
|
|
|
+ this.view(this.index);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * 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) {
|
|
|
+ assign(DEFAULTS, isPlainObject(options) && options);
|
|
|
+ }
|
|
|
+ }]);
|
|
|
+
|
|
|
+ return Viewer;
|
|
|
+ }();
|
|
|
+
|
|
|
+ assign(Viewer.prototype, render, events, handlers, methods, others);
|
|
|
+
|
|
|
+ return Viewer;
|
|
|
+
|
|
|
+})));
|
