mirror of
https://github.com/gorhill/uBlock.git
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Remember cursor position in "My filters" for next visit
Related issue: - https://github.com/gorhill/uBlock/issues/3706
This commit is contained in:
Raymond Hill
parent
2be36ffe81
commit
cd597709bb
@ -29,10 +29,8 @@
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/******************************************************************************/
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var messaging = vAPI.messaging;
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var cachedUserFilters = '';
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var cmEditor = new CodeMirror(
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const messaging = vAPI.messaging;
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const cmEditor = new CodeMirror(
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document.getElementById('userFilters'),
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{
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autofocus: true,
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@ -44,24 +42,41 @@ var cmEditor = new CodeMirror(
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uBlockDashboard.patchCodeMirrorEditor(cmEditor);
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let cachedUserFilters = '';
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/******************************************************************************/
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// https://github.com/gorhill/uBlock/issues/3706
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// Save/restore cursor position
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//
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// CoreMirror reference: https://codemirror.net/doc/manual.html#api_selection
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window.addEventListener('beforeunload', ( ) => {
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vAPI.localStorage.setItem(
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'myFiltersCursorPosition',
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JSON.stringify(cmEditor.getCursor().line)
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);
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});
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/******************************************************************************/
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// This is to give a visual hint that the content of user blacklist has changed.
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function userFiltersChanged(changed) {
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const userFiltersChanged = function(changed) {
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if ( typeof changed !== 'boolean' ) {
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changed = cmEditor.getValue().trim() !== cachedUserFilters;
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}
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uDom.nodeFromId('userFiltersApply').disabled = !changed;
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uDom.nodeFromId('userFiltersRevert').disabled = !changed;
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}
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};
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/******************************************************************************/
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function renderUserFilters(first) {
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var onRead = function(details) {
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const renderUserFilters = function(first) {
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const onRead = function(details) {
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if ( details.error ) { return; }
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var content = details.content.trim();
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let content = details.content.trim();
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cachedUserFilters = content;
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if ( content.length !== 0 ) {
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content += '\n';
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@ -69,38 +84,44 @@ function renderUserFilters(first) {
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cmEditor.setValue(content);
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if ( first ) {
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cmEditor.clearHistory();
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try {
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const line = JSON.parse(
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vAPI.localStorage.getItem('myFiltersCursorPosition')
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);
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if ( typeof line === 'number' ) {
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cmEditor.setCursor(line, 0);
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}
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} catch(ex) {
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}
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}
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userFiltersChanged(false);
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};
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messaging.send('dashboard', { what: 'readUserFilters' }, onRead);
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}
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};
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/******************************************************************************/
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function allFiltersApplyHandler() {
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const allFiltersApplyHandler = function() {
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messaging.send('dashboard', { what: 'reloadAllFilters' });
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uDom('#userFiltersApply').prop('disabled', true );
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}
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};
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/******************************************************************************/
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var handleImportFilePicker = function() {
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const handleImportFilePicker = function() {
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// https://github.com/chrisaljoudi/uBlock/issues/1004
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// Support extraction of filters from ABP backup file
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var abpImporter = function(s) {
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var reAbpSubscriptionExtractor = /\n\[Subscription\]\n+url=~[^\n]+([\x08-\x7E]*?)(?:\[Subscription\]|$)/ig;
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var reAbpFilterExtractor = /\[Subscription filters\]([\x08-\x7E]*?)(?:\[Subscription\]|$)/i;
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var matches = reAbpSubscriptionExtractor.exec(s);
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const abpImporter = function(s) {
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const reAbpSubscriptionExtractor = /\n\[Subscription\]\n+url=~[^\n]+([\x08-\x7E]*?)(?:\[Subscription\]|$)/ig;
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const reAbpFilterExtractor = /\[Subscription filters\]([\x08-\x7E]*?)(?:\[Subscription\]|$)/i;
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let matches = reAbpSubscriptionExtractor.exec(s);
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// Not an ABP backup file
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if ( matches === null ) {
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return s;
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}
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if ( matches === null ) { return s; }
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//
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var out = [];
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var filterMatch;
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const out = [];
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while ( matches !== null ) {
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if ( matches.length === 2 ) {
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filterMatch = reAbpFilterExtractor.exec(matches[1].trim());
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let filterMatch = reAbpFilterExtractor.exec(matches[1].trim());
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if ( filterMatch !== null && filterMatch.length === 2 ) {
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out.push(filterMatch[1].trim().replace(/\\\[/g, '['));
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}
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@ -110,26 +131,22 @@ var handleImportFilePicker = function() {
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return out.join('\n');
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};
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var fileReaderOnLoadHandler = function() {
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var sanitized = abpImporter(this.result);
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const fileReaderOnLoadHandler = function() {
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const sanitized = abpImporter(this.result);
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cmEditor.setValue(cmEditor.getValue().trim() + '\n' + sanitized);
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};
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var file = this.files[0];
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if ( file === undefined || file.name === '' ) {
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return;
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}
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if ( file.type.indexOf('text') !== 0 ) {
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return;
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}
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var fr = new FileReader();
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const file = this.files[0];
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if ( file === undefined || file.name === '' ) { return; }
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if ( file.type.indexOf('text') !== 0 ) { return; }
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const fr = new FileReader();
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fr.onload = fileReaderOnLoadHandler;
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fr.readAsText(file);
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};
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/******************************************************************************/
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var startImportFilePicker = function() {
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var input = document.getElementById('importFilePicker');
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const startImportFilePicker = function() {
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const input = document.getElementById('importFilePicker');
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// Reset to empty string, this will ensure an change event is properly
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// triggered if the user pick a file, even if it is the same as the last
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// one picked.
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@ -139,10 +156,10 @@ var startImportFilePicker = function() {
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/******************************************************************************/
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var exportUserFiltersToFile = function() {
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var val = cmEditor.getValue().trim();
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const exportUserFiltersToFile = function() {
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const val = cmEditor.getValue().trim();
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if ( val === '' ) { return; }
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var filename = vAPI.i18n('1pExportFilename')
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const filename = vAPI.i18n('1pExportFilename')
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.replace('{{datetime}}', uBlockDashboard.dateNowToSensibleString())
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.replace(/ +/g, '_');
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vAPI.download({
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@ -153,24 +170,23 @@ var exportUserFiltersToFile = function() {
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/******************************************************************************/
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var applyChanges = function() {
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var onWritten = function(details) {
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if ( details.error ) { return; }
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cachedUserFilters = details.content.trim();
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allFiltersApplyHandler();
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};
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const applyChanges = function() {
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messaging.send(
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'dashboard',
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{
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what: 'writeUserFilters',
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content: cmEditor.getValue()
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},
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onWritten
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details => {
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if ( details.error ) { return; }
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cachedUserFilters = details.content.trim();
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allFiltersApplyHandler();
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}
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);
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};
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var revertChanges = function() {
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var content = cachedUserFilters;
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const revertChanges = function() {
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let content = cachedUserFilters;
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if ( content.length !== 0 ) {
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content += '\n';
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}
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@ -179,11 +195,11 @@ var revertChanges = function() {
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/******************************************************************************/
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var getCloudData = function() {
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const getCloudData = function() {
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return cmEditor.getValue();
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};
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var setCloudData = function(data, append) {
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const setCloudData = function(data, append) {
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if ( typeof data !== 'string' ) { return; }
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if ( append ) {
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data = uBlockDashboard.mergeNewLines(cmEditor.getValue(), data);
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@ -210,6 +226,4 @@ CodeMirror.commands.save = applyChanges;
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/******************************************************************************/
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// https://www.youtube.com/watch?v=UNilsLf6eW4
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})();
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