mirror of
https://github.com/gorhill/uBlock.git
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133 lines
4.0 KiB
JavaScript
133 lines
4.0 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2016-present Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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/* global CodeMirror, uDom, uBlockDashboard */
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'use strict';
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/******************************************************************************/
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(function() { // >>>> Start of private namespace
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/******************************************************************************/
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let messaging = vAPI.messaging;
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let noopFunc = function(){};
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let beforeHash = '';
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let cmEditor = new CodeMirror(
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document.getElementById('advancedSettings'),
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{
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autofocus: true,
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lineNumbers: true,
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lineWrapping: true,
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styleActiveLine: true
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}
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);
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uBlockDashboard.patchCodeMirrorEditor(cmEditor);
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/******************************************************************************/
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let hashFromAdvancedSettings = function(raw) {
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return raw.trim().replace(/\s+/g, '|');
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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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let advancedSettingsChanged = (function () {
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let timer = null;
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let handler = ( ) => {
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timer = null;
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let changed = hashFromAdvancedSettings(cmEditor.getValue()) !== beforeHash;
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uDom.nodeFromId('advancedSettingsApply').disabled = !changed;
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CodeMirror.commands.save = changed ? applyChanges : noopFunc;
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};
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return function() {
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if ( timer !== null ) { clearTimeout(timer); }
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timer = vAPI.setTimeout(handler, 100);
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};
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})();
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cmEditor.on('changes', advancedSettingsChanged);
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/******************************************************************************/
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let renderAdvancedSettings = function(first) {
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let onRead = function(raw) {
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beforeHash = hashFromAdvancedSettings(raw);
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let pretty = [],
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whitespaces = ' ',
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lines = raw.split('\n'),
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max = 0;
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for ( let line of lines ) {
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let pos = line.indexOf(' ');
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if ( pos > max ) { max = pos; }
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}
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for ( let line of lines ) {
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let pos = line.indexOf(' ');
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pretty.push(whitespaces.slice(0, max - pos) + line);
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}
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cmEditor.setValue(pretty.join('\n') + '\n');
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if ( first ) {
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cmEditor.clearHistory();
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}
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advancedSettingsChanged();
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cmEditor.focus();
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};
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messaging.send('dashboard', { what: 'readHiddenSettings' }, onRead);
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};
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/******************************************************************************/
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let applyChanges = function() {
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messaging.send(
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'dashboard',
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{
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what: 'writeHiddenSettings',
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content: cmEditor.getValue()
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},
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renderAdvancedSettings
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);
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};
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/******************************************************************************/
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uDom.nodeFromId('advancedSettings').addEventListener(
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'input',
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advancedSettingsChanged
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);
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uDom.nodeFromId('advancedSettingsApply').addEventListener(
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'click',
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applyChanges
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);
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renderAdvancedSettings(true);
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/******************************************************************************/
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})(); // <<<< End of private namespace
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