stylus/edit/edit.js
2022-02-20 18:34:51 +03:00

463 lines
14 KiB
JavaScript

/* global $$ $ $create messageBoxProxy waitForSheet */// dom.js
/* global API msg */// msg.js
/* global CodeMirror */
/* global SectionsEditor */
/* global SourceEditor */
/* global baseInit */
/* global clipString createHotkeyInput helpPopup */// util.js
/* global closeCurrentTab deepEqual sessionStore tryJSONparse */// toolbox.js
/* global cmFactory */
/* global editor */
/* global linterMan */
/* global prefs */
/* global t */// localization.js
'use strict';
//#region init
document.body.appendChild(t.template.body);
baseInit.ready.then(async () => {
[editor.template] = await Promise.all([editor.template, waitForSheet()]);
(editor.isUsercss ? SourceEditor : SectionsEditor)();
await editor.ready;
editor.ready = true;
editor.dirty.onChange(editor.updateDirty);
prefs.subscribe('editor.linter', () => linterMan.run());
// enabling after init to prevent flash of validation failure on an empty name
$('#name').required = !editor.isUsercss;
$('#save-button').onclick = editor.save;
$('#cancel-button').onclick = editor.cancel;
const elSec = $('#sections-list');
// editor.toc.expanded pref isn't saved in compact-layout so prefs.subscribe won't work
if (elSec.open) editor.updateToc();
// and we also toggle `open` directly in other places e.g. in detectLayout()
new MutationObserver(() => elSec.open && editor.updateToc())
.observe(elSec, {attributes: true, attributeFilter: ['open']});
$('#toc').onclick = e =>
editor.jumpToEditor([...$('#toc').children].indexOf(e.target));
$('#keyMap-help').onclick = () =>
require(['/edit/show-keymap-help'], () => showKeymapHelp()); /* global showKeymapHelp */
$('#linter-settings').onclick = () =>
require(['/edit/linter-dialogs'], () => linterMan.showLintConfig());
$('#lint-help').onclick = () =>
require(['/edit/linter-dialogs'], () => linterMan.showLintHelp());
$('#style-settings-btn').onclick = () => require([
'/edit/settings.css',
'/edit/settings', /* global StyleSettings */
], () => StyleSettings());
require([
'/edit/autocomplete',
'/edit/drafts',
'/edit/global-search',
]);
}).then(() => {
// Set up mini-header on scroll
const {isUsercss} = editor;
const el = $create({
style: `
top: 0;
height: 1px;
position: absolute;
visibility: hidden;
`.replace(/;/g, '!important;'),
});
const scroller = isUsercss ? $('.CodeMirror-scroll') : document.body;
const xoRoot = isUsercss ? scroller : undefined;
const xo = new IntersectionObserver(onScrolled, {root: xoRoot});
scroller.appendChild(el);
onCompactToggled(baseInit.mqCompact);
baseInit.mqCompact.on('change', onCompactToggled);
/** @param {MediaQueryList} mq */
function onCompactToggled(mq) {
for (const el of $$('details[data-pref]')) {
el.open = mq.matches ? false : prefs.get(el.dataset.pref);
}
if (mq.matches) {
xo.observe(el);
} else {
xo.disconnect();
}
}
/** @param {IntersectionObserverEntry[]} entries */
function onScrolled(entries) {
const h = $('#header');
const sticky = !entries.pop().isIntersecting;
if (!isUsercss) scroller.style.paddingTop = sticky ? h.offsetHeight + 'px' : '';
h.classList.toggle('sticky', sticky);
}
});
//#endregion
//#region events
msg.onExtension(request => {
const {style} = request;
switch (request.method) {
case 'styleUpdated':
if (editor.style.id === style.id) {
handleExternalUpdate(request);
}
break;
case 'styleDeleted':
if (editor.style.id === style.id) {
closeCurrentTab();
}
break;
}
});
async function handleExternalUpdate({style, reason}) {
if (reason === 'editPreview' ||
reason === 'editPreviewEnd') {
return;
}
if (reason === 'editSave' && editor.saving) {
editor.saving = false;
return;
}
if (reason === 'toggle') {
if (editor.dirty.isDirty()) {
editor.toggleStyle(style.enabled);
} else {
Object.assign(editor.style, style);
}
editor.updateMeta();
editor.updateLivePreview();
return;
}
style = await API.styles.get(style.id);
if (reason === 'config') {
delete style.sourceCode;
delete style.sections;
delete style.name;
delete style.enabled;
Object.assign(editor.style, style);
} else {
await editor.replaceStyle(style);
}
window.dispatchEvent(new Event('styleSettings'));
}
window.on('beforeunload', e => {
let pos;
if (editor.isWindowed &&
document.visibilityState === 'visible' &&
prefs.get('openEditInWindow') &&
screenX !== -32000 && // Chrome uses this value for minimized windows
( // only if not maximized
screenX > 0 || outerWidth < screen.availWidth ||
screenY > 0 || outerHeight < screen.availHeight ||
screenX <= -10 || outerWidth >= screen.availWidth + 10 ||
screenY <= -10 || outerHeight >= screen.availHeight + 10
)
) {
pos = {
left: screenX,
top: screenY,
width: outerWidth,
height: outerHeight,
};
prefs.set('windowPosition', pos);
}
sessionStore.windowPos = JSON.stringify(pos || {});
sessionStore['editorScrollInfo' + editor.style.id] = JSON.stringify(editor.makeScrollInfo());
const activeElement = document.activeElement;
if (activeElement) {
// blurring triggers 'change' or 'input' event if needed
activeElement.blur();
// refocus if unloading was canceled
setTimeout(() => activeElement.focus());
}
if (editor.dirty.isDirty()) {
// neither confirm() nor custom messages work in modern browsers but just in case
e.returnValue = t('styleChangesNotSaved');
}
});
//#endregion
//#region editor methods
(() => {
const toc = [];
const {dirty} = editor;
let {style} = editor;
let wasDirty = false;
Object.defineProperties(editor, {
scrollInfo: {
get: () => style.id && tryJSONparse(sessionStore['editorScrollInfo' + style.id]) || {},
},
style: {
get: () => style,
set: val => (style = val),
},
});
/** @namespace Editor */
Object.assign(editor, {
applyScrollInfo(cm, si = (editor.scrollInfo.cms || [])[0]) {
if (si && si.sel) {
const bmOpts = {sublimeBookmark: true, clearWhenEmpty: false}; // copied from sublime.js
cm.operation(() => {
cm.setSelections(...si.sel, {scroll: false});
cm.scrollIntoView(cm.getCursor(), si.parentHeight / 2);
cm.state.sublimeBookmarks = si.bookmarks.map(b => cm.markText(b.from, b.to, bmOpts));
});
}
},
makeScrollInfo() {
return {
scrollY: window.scrollY,
cms: editor.getEditors().map(cm => /** @namespace EditorScrollInfo */({
bookmarks: (cm.state.sublimeBookmarks || []).map(b => b.find()),
focus: cm.hasFocus(),
height: cm.display.wrapper.style.height.replace('100vh', ''),
parentHeight: cm.display.wrapper.parentElement.offsetHeight,
sel: [cm.doc.sel.ranges, cm.doc.sel.primIndex],
})),
};
},
async save() {
if (dirty.isDirty()) {
editor.saving = true;
await editor.saveImpl();
}
},
toggleStyle(enabled = !style.enabled) {
$('#enabled').checked = enabled;
editor.updateEnabledness(enabled);
},
updateDirty() {
const isDirty = dirty.isDirty();
if (wasDirty !== isDirty) {
wasDirty = isDirty;
document.body.classList.toggle('dirty', isDirty);
$('#save-button').disabled = !isDirty;
}
editor.updateTitle();
},
updateEnabledness(enabled) {
dirty.modify('enabled', style.enabled, enabled);
style.enabled = enabled;
editor.updateLivePreview();
},
updateName(isUserInput) {
if (!editor) return;
if (isUserInput) {
const {value} = $('#name');
dirty.modify('name', style[editor.nameTarget] || style.name, value);
style[editor.nameTarget] = value;
}
editor.updateTitle();
},
updateToc(added = editor.sections) {
if (!toc.el) {
toc.el = $('#toc');
toc.elDetails = toc.el.closest('details');
}
if (!toc.elDetails.open) return;
const {sections} = editor;
const first = sections.indexOf(added[0]);
const elFirst = toc.el.children[first];
if (first >= 0 && (!added.focus || !elFirst)) {
for (let el = elFirst, i = first; i < sections.length; i++) {
const entry = sections[i].tocEntry;
if (!deepEqual(entry, toc[i])) {
if (!el) el = toc.el.appendChild($create('li', {tabIndex: 0}));
el.tabIndex = entry.removed ? -1 : 0;
toc[i] = Object.assign({}, entry);
const s = el.textContent = clipString(entry.label) || (
entry.target == null
? t('appliesToEverything')
: clipString(entry.target) + (entry.numTargets > 1 ? ', ...' : ''));
if (s.length > 30) el.title = s;
}
el = el.nextElementSibling;
}
}
while (toc.length > sections.length) {
toc.el.lastElementChild.remove();
toc.length--;
}
if (added.focus) {
const cls = 'current';
const old = $('.' + cls, toc.el);
const el = elFirst || toc.el.children[first];
if (old && old !== el) old.classList.remove(cls);
el.classList.add(cls);
}
},
useSavedStyle(newStyle) {
if (style.id !== newStyle.id) {
history.replaceState({}, '', `?id=${newStyle.id}`);
}
sessionStore.justEditedStyleId = newStyle.id;
Object.assign(style, newStyle);
editor.updateClass();
editor.updateMeta();
},
});
})();
//#endregion
//#region editor livePreview
editor.livePreview = (() => {
let data;
let port;
let preprocess;
let enabled = prefs.get('editor.livePreview');
prefs.subscribe('editor.livePreview', (key, value) => {
if (!value) {
if (port) {
port.disconnect();
port = null;
}
} else if (data && data.id && (data.enabled || editor.dirty.has('enabled'))) {
createPreviewer();
updatePreviewer(data);
}
enabled = value;
});
return {
/**
* @param {Function} [fn] - preprocessor
*/
init(fn) {
preprocess = fn;
},
update(newData) {
data = newData;
if (!port) {
if (!data.id || !data.enabled || !enabled) {
return;
}
createPreviewer();
}
updatePreviewer(data);
},
};
function createPreviewer() {
port = chrome.runtime.connect({name: 'livePreview'});
port.onDisconnect.addListener(err => {
throw err;
});
}
async function updatePreviewer(data) {
const errorContainer = $('#preview-errors');
try {
port.postMessage(preprocess ? await preprocess(data) : data);
errorContainer.classList.add('hidden');
} catch (err) {
if (Array.isArray(err)) {
err = err.join('\n');
} else if (err && err.index != null) {
// FIXME: this would fail if editors[0].getValue() !== data.sourceCode
const pos = editor.getEditors()[0].posFromIndex(err.index);
err.message = `${pos.line}:${pos.ch} ${err.message || err}`;
}
errorContainer.classList.remove('hidden');
errorContainer.onclick = () => {
messageBoxProxy.alert(err.message || `${err}`, 'pre');
};
}
}
})();
//#endregion
//#region colorpickerHelper
(async function colorpickerHelper() {
prefs.subscribe('editor.colorpicker.hotkey', (id, hotkey) => {
CodeMirror.commands.colorpicker = invokeColorpicker;
const extraKeys = CodeMirror.defaults.extraKeys;
for (const key in extraKeys) {
if (extraKeys[key] === 'colorpicker') {
delete extraKeys[key];
break;
}
}
if (hotkey) {
extraKeys[hotkey] = 'colorpicker';
}
});
prefs.subscribe('editor.colorpicker', (id, enabled) => {
const defaults = CodeMirror.defaults;
const keyName = prefs.get('editor.colorpicker.hotkey');
defaults.colorpicker = enabled;
if (enabled) {
if (keyName) {
CodeMirror.commands.colorpicker = invokeColorpicker;
defaults.extraKeys = defaults.extraKeys || {};
defaults.extraKeys[keyName] = 'colorpicker';
}
defaults.colorpicker = {
tooltip: t('colorpickerTooltip'),
popup: {
tooltipForSwitcher: t('colorpickerSwitchFormatTooltip'),
paletteLine: t('numberedLine'),
paletteHint: t('colorpickerPaletteHint'),
hexUppercase: prefs.get('editor.colorpicker.hexUppercase'),
embedderCallback: state => {
['hexUppercase', 'color']
.filter(name => state[name] !== prefs.get('editor.colorpicker.' + name))
.forEach(name => prefs.set('editor.colorpicker.' + name, state[name]));
},
get maxHeight() {
return prefs.get('editor.colorpicker.maxHeight');
},
set maxHeight(h) {
prefs.set('editor.colorpicker.maxHeight', h);
},
},
};
} else {
if (defaults.extraKeys) {
delete defaults.extraKeys[keyName];
}
}
cmFactory.globalSetOption('colorpicker', defaults.colorpicker);
}, {runNow: true});
await baseInit.domReady;
$('#colorpicker-settings').onclick = function (event) {
event.preventDefault();
const input = createHotkeyInput('editor.colorpicker.hotkey', {onDone: () => helpPopup.close()});
const popup = helpPopup.show(t('helpKeyMapHotkey'), input);
const bounds = this.getBoundingClientRect();
popup.style.left = bounds.right + 10 + 'px';
popup.style.top = bounds.top - popup.clientHeight / 2 + 'px';
popup.style.right = 'auto';
$('input', popup).focus();
};
function invokeColorpicker(cm) {
cm.state.colorpicker.openPopup(prefs.get('editor.colorpicker.color'));
}
})();
//#endregion