362 lines
9.4 KiB
JavaScript
362 lines
9.4 KiB
JavaScript
/*
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global CodeMirror loadScript
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global editor ownTabId
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global messageBox
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*/
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'use strict';
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onDOMscriptReady('/codemirror.js').then(() => {
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const COMMANDS = {
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save,
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toggleStyle,
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toggleEditorFocus,
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jumpToLine,
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nextEditor, prevEditor,
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commentSelection,
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};
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const ORIGINAL_COMMANDS = {
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insertTab: CodeMirror.commands.insertTab,
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};
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// reroute handling to nearest editor when keypress resolves to one of these commands
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const REROUTED = new Set([
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'save',
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'toggleStyle',
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'jumpToLine',
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'nextEditor', 'prevEditor',
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'toggleEditorFocus',
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'find', 'findNext', 'findPrev', 'replace', 'replaceAll',
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'colorpicker',
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]);
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Object.assign(CodeMirror.prototype, {
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// getSection,
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rerouteHotkeys,
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});
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Object.assign(CodeMirror.commands, COMMANDS);
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rerouteHotkeys(true);
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CodeMirror.defineInitHook(cm => {
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if (!cm.display.wrapper.closest('#sections')) {
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return;
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}
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if (prefs.get('editor.autocompleteOnTyping')) {
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setupAutocomplete(cm);
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}
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const wrapper = cm.display.wrapper;
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cm.on('blur', () => {
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cm.rerouteHotkeys(true);
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setTimeout(() => {
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wrapper.classList.toggle('CodeMirror-active', wrapper.contains(document.activeElement));
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});
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});
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cm.on('focus', () => {
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cm.rerouteHotkeys(false);
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wrapper.classList.add('CodeMirror-active');
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});
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});
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// FIXME: pull this into a module
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window.rerouteHotkeys = rerouteHotkeys;
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prefs.subscribe(null, onPrefChanged);
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////////////////////////////////////////////////
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function getOption(o) {
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return CodeMirror.defaults[o];
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}
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function setOption(o, v) {
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CodeMirror.defaults[o] = v;
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if (!editor) {
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return;
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}
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const editors = editor.getEditors();
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if (editors.length > 4 && (o === 'theme' || o === 'lineWrapping')) {
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throttleSetOption({key: o, value: v, index: 0});
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return;
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}
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editors.forEach(editor => {
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editor.setOption(o, v);
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});
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}
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function throttleSetOption({
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key,
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value,
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index,
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timeStart = performance.now(),
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cmStart = editor.getLastActivatedEditor(),
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editorsCopy = editor.getEditors().slice(),
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progress,
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}) {
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if (index === 0) {
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if (!cmStart) {
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return;
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}
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cmStart.setOption(key, value);
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}
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const THROTTLE_AFTER_MS = 100;
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const THROTTLE_SHOW_PROGRESS_AFTER_MS = 100;
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const t0 = performance.now();
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const total = editorsCopy.length;
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const editors = editor.getEditors();
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while (index < total) {
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const cm = editorsCopy[index++];
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if (cm === cmStart ||
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cm !== editors[index] && !editors.includes(cm)) {
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continue;
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}
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cm.setOption(key, value);
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if (performance.now() - t0 > THROTTLE_AFTER_MS) {
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break;
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}
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}
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if (index >= total) {
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$.remove(progress);
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return;
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}
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if (!progress &&
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index < total / 2 &&
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t0 - timeStart > THROTTLE_SHOW_PROGRESS_AFTER_MS) {
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let option = $('#editor.' + key);
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if (option) {
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if (option.type === 'checkbox') {
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option = (option.labels || [])[0] || option.nextElementSibling || option;
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}
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progress = document.body.appendChild(
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$create('.set-option-progress', {targetElement: option}));
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}
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}
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if (progress) {
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const optionBounds = progress.targetElement.getBoundingClientRect();
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const bounds = {
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top: optionBounds.top + window.scrollY + 1,
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left: optionBounds.left + window.scrollX + 1,
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width: (optionBounds.width - 2) * index / total | 0,
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height: optionBounds.height - 2,
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};
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const style = progress.style;
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for (const prop in bounds) {
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if (bounds[prop] !== parseFloat(style[prop])) {
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style[prop] = bounds[prop] + 'px';
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}
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}
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}
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setTimeout(throttleSetOption, 0, {
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key,
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value,
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index,
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timeStart,
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cmStart,
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editorsCopy,
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progress,
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});
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}
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function getSection() {
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return this.display.wrapper.parentNode;
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}
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function nextEditor(cm) {
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return editor.nextEditor(cm);
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}
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function prevEditor(cm) {
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return editor.prevEditor(cm);
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}
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function jumpToLine(cm) {
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const cur = cm.getCursor();
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refocusMinidialog(cm);
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cm.openDialog(template.jumpToLine.cloneNode(true), str => {
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const m = str.match(/^\s*(\d+)(?:\s*:\s*(\d+))?\s*$/);
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if (m) {
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cm.setCursor(m[1] - 1, m[2] ? m[2] - 1 : cur.ch);
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}
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}, {value: cur.line + 1});
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}
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function commentSelection(cm) {
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cm.blockComment(cm.getCursor('from'), cm.getCursor('to'), {fullLines: false});
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}
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function toggleEditorFocus(cm) {
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if (!cm) return;
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if (cm.hasFocus()) {
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setTimeout(() => cm.display.input.blur());
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} else {
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cm.focus();
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}
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}
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function refocusMinidialog(cm) {
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const section = cm.getSection();
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if (!$('.CodeMirror-dialog', section)) {
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return;
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}
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// close the currently opened minidialog
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cm.focus();
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// make sure to focus the input in newly opened minidialog
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setTimeout(() => {
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$('.CodeMirror-dialog', section).focus();
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});
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}
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function onPrefChanged(key, value) {
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let option = key.replace(/^editor\./, '');
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if (!option) {
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console.error('no "cm_option"', key);
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return;
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}
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switch (option) {
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case 'tabSize':
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value = Number(value);
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CodeMirror.setOption('indentUnit', value);
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break;
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case 'indentWithTabs':
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CodeMirror.commands.insertTab = value ?
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ORIGINAL_COMMANDS.insertTab :
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CodeMirror.commands.insertSoftTab;
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break;
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case 'theme': {
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const themeLink = $('#cm-theme');
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// use non-localized 'default' internally
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if (!value || value === 'default' || value === t('defaultTheme')) {
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value = 'default';
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if (prefs.get(key) !== value) {
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prefs.set(key, value);
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}
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themeLink.href = '';
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$('#editor.theme').value = value;
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break;
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}
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const url = chrome.runtime.getURL('vendor/codemirror/theme/' + value + '.css');
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if (themeLink.href === url) {
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// preloaded in initCodeMirror()
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break;
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}
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// avoid flicker: wait for the second stylesheet to load, then apply the theme
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document.head.appendChild($create('link#cm-theme2', {rel: 'stylesheet', href: url}));
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setTimeout(() => {
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CodeMirror.setOption(option, value);
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themeLink.remove();
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$('#cm-theme2').id = 'cm-theme';
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}, 100);
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return;
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}
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case 'autocompleteOnTyping':
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if (editor) {
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// FIXME: this won't work with removed sections
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editor.getEditors().forEach(cm => setupAutocomplete(cm, value));
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}
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return;
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case 'autoCloseBrackets':
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Promise.resolve(value && loadScript('/vendor/codemirror/addon/edit/closebrackets.js')).then(() => {
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CodeMirror.setOption(option, value);
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});
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return;
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case 'matchHighlight':
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switch (value) {
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case 'token':
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case 'selection':
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document.body.dataset[option] = value;
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value = {showToken: value === 'token' && /[#.\-\w]/, annotateScrollbar: true};
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break;
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default:
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value = null;
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}
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option = 'highlightSelectionMatches';
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break;
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case 'colorpicker':
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return;
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}
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CodeMirror.setOption(option, value);
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}
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////////////////////////////////////////////////
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function rerouteHotkeys(enable, immediately) {
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if (!immediately) {
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debounce(rerouteHotkeys, 0, enable, true);
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} else if (enable) {
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document.addEventListener('keydown', rerouteHandler);
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} else {
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document.removeEventListener('keydown', rerouteHandler);
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}
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}
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function rerouteHandler(event) {
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const keyName = CodeMirror.keyName(event);
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if (!keyName) {
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return;
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}
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const rerouteCommand = name => {
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if (REROUTED.has(name)) {
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CodeMirror.commands[name](editor.closestVisible(event.target));
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return true;
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}
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};
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if (CodeMirror.lookupKey(keyName, CodeMirror.defaults.keyMap, rerouteCommand) === 'handled' ||
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CodeMirror.lookupKey(keyName, CodeMirror.defaults.extraKeys, rerouteCommand) === 'handled') {
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event.preventDefault();
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event.stopPropagation();
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}
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}
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////////////////////////////////////////////////
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////////////////////////////////////////////////
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function setupAutocomplete(cm, enable = true) {
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const onOff = enable ? 'on' : 'off';
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cm[onOff]('changes', autocompleteOnTyping);
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cm[onOff]('pick', autocompletePicked);
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}
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function autocompleteOnTyping(cm, [info], debounced) {
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if (
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cm.state.completionActive ||
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info.origin && !info.origin.includes('input') ||
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!info.text.last
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) {
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return;
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}
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if (cm.state.autocompletePicked) {
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cm.state.autocompletePicked = false;
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return;
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}
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if (!debounced) {
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debounce(autocompleteOnTyping, 100, cm, [info], true);
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return;
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}
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if (info.text.last.match(/[-a-z!]+$/i)) {
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cm.state.autocompletePicked = false;
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cm.options.hintOptions.completeSingle = false;
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cm.execCommand('autocomplete');
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setTimeout(() => {
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cm.options.hintOptions.completeSingle = true;
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});
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}
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}
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function autocompletePicked(cm) {
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cm.state.autocompletePicked = true;
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}
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function save() {
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editor.save();
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}
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function toggleStyle() {
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editor.toggleStyle();
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}
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});
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