Mercurial Hosting > sceditor

annotate src/plugins/autosave.js @ 30:db061869f28f

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remove sceditor.command, add options.onCreate
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 12 Aug 2022 00:54:39 -0600
parents ea32a44b5a6e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /**
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2 * SCEditor AutoSave Plugin
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3 * http://www.sceditor.com/
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4 *
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5 * Copyright (C) 2017, Sam Clarke (samclarke.com)
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6 *
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7 * SCEditor is licensed under the MIT license:
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8 * http://www.opensource.org/licenses/mit-license.php
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9 *
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10 * @author Sam Clarke
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11 */
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12 (function (sceditor) {
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13 'use strict';
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14
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15 var defaultKey = 'sce-autodraft-' + location.pathname + location.search;
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16
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17 function clear(key) {
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18 localStorage.removeItem(key || defaultKey);
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19 }
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20
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21 sceditor.plugins.autosave = function () {
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22 var base = {};
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23 var editor;
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24 var isLoading = false;
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25 var storageKey = defaultKey;
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26 // 86400000 = 24 hrs (24 * 60 * 60 * 1000)
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27 var expires = 86400000;
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28 var saveHandler = function (value) {
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29 localStorage.setItem(storageKey, JSON.stringify(value));
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30 };
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31 var loadHandler = function () {
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32 return JSON.parse(localStorage.getItem(storageKey));
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33 };
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34
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35 function gc() {
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36 for (var i = 0; i < localStorage.length; i++) {
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37 var key = localStorage.key(i);
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38
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39 if (/^sce\-autodraft\-/.test(key)) {
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40 var item = JSON.parse(localStorage.getItem(storageKey));
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41 if (item && item.time < Date.now() - expires) {
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42 clear(key);
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43 }
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44 }
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45 }
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46 }
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47
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48 base.init = function (ed) {
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49 editor = ed;
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50 var opts = editor.opts && editor.opts.autosave || {};
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51
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52 saveHandler = opts.save || saveHandler;
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53 loadHandler = opts.load || loadHandler;
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54 storageKey = opts.storageKey || storageKey;
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55 expires = opts.expires || expires;
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56
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57 gc();
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58 };
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59
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60 base.signalReady = function (editor) {
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61 // Add submit event listener to clear autosave
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62 var parent = editor.getContentAreaContainer();
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63 while (parent) {
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64 if (/form/i.test(parent.nodeName)) {
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65 parent.addEventListener(
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66 'submit', function(){clear(storageKey)}, true
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67 );
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68 break;
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69 }
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70
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71 parent = parent.parentNode;
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72 }
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73
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74 var state = loadHandler();
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75 if (state) {
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76 isLoading = true;
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77 editor.sourceMode(state.sourceMode);
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78 editor.val(state.value, false);
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79 editor.focus();
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80
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81 if (state.sourceMode) {
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82 editor.sourceEditorCaret(state.caret);
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83 } else {
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84 editor.getRangeHelper().restoreRange();
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85 }
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86 isLoading = false;
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87 } else {
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88 saveHandler({
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89 caret: editor.sourceEditorCaret(),
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90 sourceMode: editor.sourceMode(),
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91 value: editor.val(null, false),
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92 time: Date.now()
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93 });
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94 }
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95 };
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96
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97 base.signalValuechangedEvent = function (editor, e) {
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98 if (!isLoading) {
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99 saveHandler({
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100 caret: editor.sourceEditorCaret(),
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101 sourceMode: editor.sourceMode(),
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102 value: e.detail.rawValue,
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103 time: Date.now()
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104 });
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105 }
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106 };
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107
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108 return base;
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109 };
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110
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111 sceditor.plugins.autosave.clear = clear;
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112 }(sceditor));