315 lines
14 KiB
JavaScript
315 lines
14 KiB
JavaScript
var svgEditorExtension_storage = (function () {
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'use strict';
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var asyncToGenerator = function (fn) {
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return function () {
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var gen = fn.apply(this, arguments);
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return new Promise(function (resolve, reject) {
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function step(key, arg) {
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try {
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var info = gen[key](arg);
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var value = info.value;
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} catch (error) {
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reject(error);
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return;
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}
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if (info.done) {
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resolve(value);
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} else {
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return Promise.resolve(value).then(function (value) {
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step("next", value);
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}, function (err) {
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step("throw", err);
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});
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}
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}
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return step("next");
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});
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};
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};
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/* globals jQuery */
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/**
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* ext-storage.js
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*
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* This extension allows automatic saving of the SVG canvas contents upon
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* page unload (which can later be automatically retrieved upon future
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* editor loads).
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*
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* The functionality was originally part of the SVG Editor, but moved to a
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* separate extension to make the setting behavior optional, and adapted
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* to inform the user of its setting of local data.
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* Dependencies:
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*
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* 1. jQuery BBQ (for deparam)
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* @license MIT
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*
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* @copyright 2010 Brett Zamir
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* @todo Revisit on whether to use $.pref over directly setting curConfig in all
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* extensions for a more public API (not only for extPath and imagePath,
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* but other currently used config in the extensions)
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* @todo We might provide control of storage settings through the UI besides the
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* initial (or URL-forced) dialog. *
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*/
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var extStorage = {
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name: 'storage',
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init: function init() {
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var svgEditor = this;
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var $ = jQuery;
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var svgCanvas = svgEditor.canvas;
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// We could empty any already-set data for users when they decline storage,
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// but it would be a risk for users who wanted to store but accidentally
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// said "no"; instead, we'll let those who already set it, delete it themselves;
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// to change, set the "emptyStorageOnDecline" config setting to true
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// in svgedit-config-iife.js/svgedit-config-es.js.
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var _svgEditor$curConfig = svgEditor.curConfig,
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emptyStorageOnDecline = _svgEditor$curConfig.emptyStorageOnDecline,
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noStorageOnLoad = _svgEditor$curConfig.noStorageOnLoad,
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forceStorage = _svgEditor$curConfig.forceStorage;
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var storage = svgEditor.storage;
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function replaceStoragePrompt(val) {
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val = val ? 'storagePrompt=' + val : '';
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var loc = top.location; // Allow this to work with the embedded editor as well
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if (loc.href.includes('storagePrompt=')) {
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loc.href = loc.href.replace(/([&?])storagePrompt=[^&]*(&?)/, function (n0, n1, amp) {
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return (val ? n1 : '') + val + (!val && amp ? n1 : amp || '');
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});
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} else {
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loc.href += (loc.href.includes('?') ? '&' : '?') + val;
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}
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}
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function setSVGContentStorage(val) {
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if (storage) {
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var name = 'svgedit-' + svgEditor.curConfig.canvasName;
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if (!val) {
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storage.removeItem(name);
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} else {
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storage.setItem(name, val);
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}
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}
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}
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function expireCookie(cookie) {
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document.cookie = encodeURIComponent(cookie) + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT';
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}
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function removeStoragePrefCookie() {
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expireCookie('store');
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}
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function emptyStorage() {
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setSVGContentStorage('');
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for (var name in svgEditor.curPrefs) {
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if (svgEditor.curPrefs.hasOwnProperty(name)) {
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name = 'svg-edit-' + name;
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if (storage) {
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storage.removeItem(name);
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}
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expireCookie(name);
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}
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}
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}
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// emptyStorage();
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/**
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* Listen for unloading: If and only if opted in by the user, set the content
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* document and preferences into storage:
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* 1. Prevent save warnings (since we're automatically saving unsaved
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* content into storage)
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* 2. Use localStorage to set SVG contents (potentially too large to allow in cookies)
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* 3. Use localStorage (where available) or cookies to set preferences.
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*/
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function setupBeforeUnloadListener() {
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window.addEventListener('beforeunload', function (e) {
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// Don't save anything unless the user opted in to storage
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if (!document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/)) {
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return;
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}
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if (document.cookie.match(/(?:^|;\s*)store=prefsAndContent/)) {
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setSVGContentStorage(svgCanvas.getSvgString());
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}
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svgEditor.setConfig({ no_save_warning: true }); // No need for explicit saving at all once storage is on
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// svgEditor.showSaveWarning = false;
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var curPrefs = svgEditor.curPrefs;
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for (var key in curPrefs) {
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if (curPrefs.hasOwnProperty(key)) {
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// It's our own config, so we don't need to iterate up the prototype chain
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var val = curPrefs[key];
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var store = val !== undefined;
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key = 'svg-edit-' + key;
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if (!store) {
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continue;
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}
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if (storage) {
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storage.setItem(key, val);
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} else if (window.widget) {
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window.widget.setPreferenceForKey(val, key);
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} else {
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val = encodeURIComponent(val);
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document.cookie = encodeURIComponent(key) + '=' + val + '; expires=Fri, 31 Dec 9999 23:59:59 GMT';
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}
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}
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}
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}, false);
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}
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var loaded = false;
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return {
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name: 'storage',
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langReady: function () {
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var _ref2 = asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee(_ref) {
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var importLocale = _ref.importLocale;
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var _$$deparam$querystrin, storagePrompt, confirmSetStorage, message, storagePrefsAndContent, storagePrefsOnly, storagePrefs, storageNoPrefsOrContent, storageNoPrefs, rememberLabel, rememberTooltip, options, oldContainerWidth, oldContainerMarginLeft, oldContentHeight, oldContainerHeight;
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return regeneratorRuntime.wrap(function _callee$(_context) {
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while (1) {
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switch (_context.prev = _context.next) {
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case 0:
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_$$deparam$querystrin = $.deparam.querystring(true), storagePrompt = _$$deparam$querystrin.storagePrompt;
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_context.next = 3;
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return importLocale();
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case 3:
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confirmSetStorage = _context.sent;
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message = confirmSetStorage.message, storagePrefsAndContent = confirmSetStorage.storagePrefsAndContent, storagePrefsOnly = confirmSetStorage.storagePrefsOnly, storagePrefs = confirmSetStorage.storagePrefs, storageNoPrefsOrContent = confirmSetStorage.storageNoPrefsOrContent, storageNoPrefs = confirmSetStorage.storageNoPrefs, rememberLabel = confirmSetStorage.rememberLabel, rememberTooltip = confirmSetStorage.rememberTooltip;
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// No need to run this one-time dialog again just because the user
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// changes the language
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if (!loaded) {
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_context.next = 7;
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break;
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}
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return _context.abrupt('return');
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case 7:
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loaded = true;
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// Note that the following can load even if "noStorageOnLoad" is
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// set to false; to avoid any chance of storage, avoid this
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// extension! (and to avoid using any prior storage, set the
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// config option "noStorageOnLoad" to true).
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if (!forceStorage && (
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// If the URL has been explicitly set to always prompt the
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// user (e.g., so one can be pointed to a URL where one
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// can alter one's settings, say to prevent future storage)...
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storagePrompt === true ||
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// ...or...if the URL at least doesn't explicitly prevent a
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// storage prompt (as we use for users who
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// don't want to set cookies at all but who don't want
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// continual prompts about it)...
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storagePrompt !== false &&
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// ...and this user hasn't previously indicated a desire for storage
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!document.cookie.match(/(?:^|;\s*)store=(?:prefsAndContent|prefsOnly)/)
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// ...then show the storage prompt.
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)) {
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options = [];
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if (storage) {
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options.unshift({ value: 'prefsAndContent', text: storagePrefsAndContent }, { value: 'prefsOnly', text: storagePrefsOnly }, { value: 'noPrefsOrContent', text: storageNoPrefsOrContent });
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} else {
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options.unshift({ value: 'prefsOnly', text: storagePrefs }, { value: 'noPrefsOrContent', text: storageNoPrefs });
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}
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// Hack to temporarily provide a wide and high enough dialog
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oldContainerWidth = $('#dialog_container')[0].style.width, oldContainerMarginLeft = $('#dialog_container')[0].style.marginLeft, oldContentHeight = $('#dialog_content')[0].style.height, oldContainerHeight = $('#dialog_container')[0].style.height;
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$('#dialog_content')[0].style.height = '120px';
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$('#dialog_container')[0].style.height = '170px';
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$('#dialog_container')[0].style.width = '800px';
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$('#dialog_container')[0].style.marginLeft = '-400px';
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// Open select-with-checkbox dialog
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// From svg-editor.js
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$.select(message, options, function (pref, checked) {
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if (pref && pref !== 'noPrefsOrContent') {
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// Regardless of whether the user opted
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// to remember the choice (and move to a URL which won't
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// ask them again), we have to assume the user
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// doesn't even want to remember their not wanting
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// storage, so we don't set the cookie or continue on with
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// setting storage on beforeunload
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document.cookie = 'store=' + encodeURIComponent(pref) + '; expires=Fri, 31 Dec 9999 23:59:59 GMT'; // 'prefsAndContent' | 'prefsOnly'
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// If the URL was configured to always insist on a prompt, if
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// the user does indicate a wish to store their info, we
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// don't want ask them again upon page refresh so move
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// them instead to a URL which does not always prompt
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if (storagePrompt === true && checked) {
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replaceStoragePrompt();
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return;
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}
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} else {
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// The user does not wish storage (or cancelled, which we treat equivalently)
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removeStoragePrefCookie();
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if (pref && // If the user explicitly expresses wish for no storage
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emptyStorageOnDecline) {
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emptyStorage();
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}
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if (pref && checked) {
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// Open a URL which won't set storage and won't prompt user about storage
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replaceStoragePrompt('false');
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return;
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}
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}
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// Reset width/height of dialog (e.g., for use by Export)
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$('#dialog_container')[0].style.width = oldContainerWidth;
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$('#dialog_container')[0].style.marginLeft = oldContainerMarginLeft;
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$('#dialog_content')[0].style.height = oldContentHeight;
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$('#dialog_container')[0].style.height = oldContainerHeight;
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// It should be enough to (conditionally) add to storage on
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// beforeunload, but if we wished to update immediately,
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// we might wish to try setting:
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// svgEditor.setConfig({noStorageOnLoad: true});
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// and then call:
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// svgEditor.loadContentAndPrefs();
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// We don't check for noStorageOnLoad here because
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// the prompt gives the user the option to store data
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setupBeforeUnloadListener();
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svgEditor.storagePromptClosed = true;
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}, null, null, {
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label: rememberLabel,
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checked: false,
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tooltip: rememberTooltip
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});
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} else if (!noStorageOnLoad || forceStorage) {
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setupBeforeUnloadListener();
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}
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case 9:
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case 'end':
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return _context.stop();
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}
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}
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}, _callee, this);
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}));
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function langReady(_x) {
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return _ref2.apply(this, arguments);
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}
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return langReady;
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}()
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};
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}
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};
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return extStorage;
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}());
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