127 lines
3.9 KiB
JavaScript
127 lines
3.9 KiB
JavaScript
/* global CodeMirror prefs loadScript */
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'use strict';
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(function () {
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// CodeMirror miserably fails on keyMap='' so let's ensure it's not
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if (!prefs.get('editor.keyMap')) {
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prefs.reset('editor.keyMap');
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}
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const defaults = {
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mode: 'css',
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lineNumbers: true,
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lineWrapping: true,
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foldGutter: true,
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gutters: [
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'CodeMirror-linenumbers',
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'CodeMirror-foldgutter',
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...(prefs.get('editor.linter') ? ['CodeMirror-lint-markers'] : []),
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],
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matchBrackets: true,
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highlightSelectionMatches: {showToken: /[#.\-\w]/, annotateScrollbar: true},
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hintOptions: {},
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lintReportDelay: prefs.get('editor.lintReportDelay'),
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styleActiveLine: true,
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theme: 'default',
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keyMap: prefs.get('editor.keyMap'),
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extraKeys: {
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// independent of current keyMap
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'Alt-Enter': 'toggleStyle',
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'Alt-PageDown': 'nextEditor',
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'Alt-PageUp': 'prevEditor'
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}
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};
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Object.assign(CodeMirror.defaults, defaults, prefs.get('editor.options'));
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CodeMirror.commands.blockComment = cm => {
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cm.blockComment(cm.getCursor('from'), cm.getCursor('to'), {fullLines: false});
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};
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// 'basic' keymap only has basic keys by design, so we skip it
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const extraKeysCommands = {};
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Object.keys(CodeMirror.defaults.extraKeys).forEach(key => {
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extraKeysCommands[CodeMirror.defaults.extraKeys[key]] = true;
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});
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if (!extraKeysCommands.jumpToLine) {
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CodeMirror.keyMap.sublime['Ctrl-G'] = 'jumpToLine';
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CodeMirror.keyMap.emacsy['Ctrl-G'] = 'jumpToLine';
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CodeMirror.keyMap.pcDefault['Ctrl-J'] = 'jumpToLine';
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CodeMirror.keyMap.macDefault['Cmd-J'] = 'jumpToLine';
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}
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if (!extraKeysCommands.autocomplete) {
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// will be used by 'sublime' on PC via fallthrough
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CodeMirror.keyMap.pcDefault['Ctrl-Space'] = 'autocomplete';
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// OSX uses Ctrl-Space and Cmd-Space for something else
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CodeMirror.keyMap.macDefault['Alt-Space'] = 'autocomplete';
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// copied from 'emacs' keymap
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CodeMirror.keyMap.emacsy['Alt-/'] = 'autocomplete';
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// 'vim' and 'emacs' define their own autocomplete hotkeys
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}
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if (!extraKeysCommands.blockComment) {
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CodeMirror.keyMap.sublime['Shift-Ctrl-/'] = 'blockComment';
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}
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if (navigator.appVersion.includes('Windows')) {
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// 'pcDefault' keymap on Windows should have F3/Shift-F3
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if (!extraKeysCommands.findNext) {
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CodeMirror.keyMap.pcDefault['F3'] = 'findNext';
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}
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if (!extraKeysCommands.findPrev) {
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CodeMirror.keyMap.pcDefault['Shift-F3'] = 'findPrev';
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}
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// try to remap non-interceptable Ctrl-(Shift-)N/T/W hotkeys
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['N', 'T', 'W'].forEach(char => {
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[
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{from: 'Ctrl-', to: ['Alt-', 'Ctrl-Alt-']},
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// Note: modifier order in CodeMirror is S-C-A
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{from: 'Shift-Ctrl-', to: ['Ctrl-Alt-', 'Shift-Ctrl-Alt-']}
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].forEach(remap => {
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const oldKey = remap.from + char;
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Object.keys(CodeMirror.keyMap).forEach(keyMapName => {
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const keyMap = CodeMirror.keyMap[keyMapName];
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const command = keyMap[oldKey];
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if (!command) {
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return;
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}
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remap.to.some(newMod => {
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const newKey = newMod + char;
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if (!(newKey in keyMap)) {
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delete keyMap[oldKey];
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keyMap[newKey] = command;
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return true;
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}
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});
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});
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});
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});
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}
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const MODE = {
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stylus: 'stylus',
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uso: 'css'
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};
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CodeMirror.defineExtension('setPreprocessor', function (preprocessor) {
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const mode = MODE[preprocessor] || 'css';
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return loadScript(mode !== 'css' && `/vendor/codemirror/mode/${mode}/${mode}.js`).then(() => {
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this.setOption('mode', mode);
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});
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});
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CodeMirror.defineExtension('isBlank', function () {
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// superfast checking as it runs only until the first non-blank line
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let isBlank = true;
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this.doc.eachLine(line => {
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if (line.text && line.text.trim()) {
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isBlank = false;
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return true;
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}
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});
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return isBlank;
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});
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})();
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