664 lines
20 KiB
JavaScript
664 lines
20 KiB
JavaScript
/* global $ $create $remove messageBoxProxy */// dom.js
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/* global API */// msg.js
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/* global CodeMirror */
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/* global RX_META debounce */// toolbox.js
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/* global MozDocMapper clipString helpPopup rerouteHotkeys showCodeMirrorPopup */// util.js
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/* global createSection */// sections-editor-section.js
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/* global editor */
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/* global linterMan */
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/* global styleSectionsEqual */ // sections-util.js
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/* global t */// localization.js
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'use strict';
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/* exported SectionsEditor */
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function SectionsEditor() {
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const {style, /** @type DirtyReporter */dirty} = editor;
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const container = $('#sections');
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/** @type {EditorSection[]} */
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const sections = [];
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const xo = window.IntersectionObserver &&
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new IntersectionObserver(refreshOnViewListener, {rootMargin: '100%'});
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let INC_ID = 0; // an increment id that is used by various object to track the order
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let sectionOrder = '';
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let headerOffset; // in compact mode the header is at the top so it reduces the available height
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let cmExtrasHeight; // resize grip + borders
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updateMeta();
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rerouteHotkeys.toggle(true); // enabled initially because we don't always focus a CodeMirror
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editor.livePreview.init();
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container.classList.add('section-editor');
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$('#to-mozilla').on('click', showMozillaFormat);
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$('#to-mozilla-help').on('click', showToMozillaHelp);
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$('#from-mozilla').on('click', () => showMozillaFormatImport());
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document.on('wheel', scrollEntirePageOnCtrlShift, {passive: false});
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CodeMirror.defaults.extraKeys['Shift-Ctrl-Wheel'] = 'scrollWindow';
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/** @namespace Editor */
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Object.assign(editor, {
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sections,
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closestVisible,
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updateLivePreview,
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updateMeta,
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getEditors() {
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return sections.filter(s => !s.removed).map(s => s.cm);
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},
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getEditorTitle(cm) {
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const index = editor.getEditors().indexOf(cm);
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return `${t('sectionCode')} ${index + 1}`;
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},
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getValue(asObject) {
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const st = getModel();
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return asObject ? st : MozDocMapper.styleToCss(st);
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},
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getSearchableInputs(cm) {
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const sec = sections.find(s => s.cm === cm);
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return sec ? sec.appliesTo.map(a => a.valueEl).filter(Boolean) : [];
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},
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jumpToEditor(i) {
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const {cm} = sections[i] || {};
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if (cm) {
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editor.scrollToEditor(cm);
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cm.focus();
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}
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},
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nextEditor(cm, cycle = true) {
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return cycle || cm !== findLast(sections, s => !s.removed).cm
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? nextPrevEditor(cm, 1)
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: null;
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},
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prevEditor(cm, cycle = true) {
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return cycle || cm !== sections.find(s => !s.removed).cm
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? nextPrevEditor(cm, -1)
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: null;
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},
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async replaceStyle(newStyle, draft) {
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const sameCode = styleSectionsEqual(newStyle, getModel());
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if (!sameCode && !draft && !await messageBoxProxy.confirm(t('styleUpdateDiscardChanges'))) {
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return;
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}
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if (!draft) {
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dirty.clear();
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}
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// FIXME: avoid recreating all editors?
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if (!sameCode) {
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await initSections(newStyle.sections, {
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keepDirty: draft,
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replace: true,
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si: draft && draft.si,
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});
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}
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editor.useSavedStyle(newStyle);
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updateLivePreview();
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},
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async saveImpl() {
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let newStyle = getModel();
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if (!validate(newStyle)) {
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return;
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}
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newStyle = await API.styles.editSave(newStyle);
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dirty.clear();
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editor.useSavedStyle(newStyle);
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},
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scrollToEditor(cm) {
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const {el} = sections.find(s => s.cm === cm);
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const r = el.getBoundingClientRect();
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const h = window.innerHeight;
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if (r.bottom > h && r.top > 0 ||
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r.bottom < h && r.top < 0) {
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window.scrollBy(0, (r.top + r.bottom - h) / 2 | 0);
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}
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},
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});
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editor.ready = initSections(style.sections);
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/** @param {EditorSection} section */
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function fitToContent(section) {
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const {cm, cm: {display: {wrapper, sizer}}} = section;
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if (cm.display.renderedView) {
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resize();
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} else {
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cm.on('update', resize);
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}
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function resize() {
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let contentHeight = sizer.offsetHeight;
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if (contentHeight < cm.defaultTextHeight()) {
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return;
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}
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if (headerOffset == null) {
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headerOffset = Math.ceil(container.getBoundingClientRect().top + scrollY);
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}
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if (cmExtrasHeight == null) {
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cmExtrasHeight = $('.resize-grip', wrapper).offsetHeight + // grip
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wrapper.offsetHeight - wrapper.clientHeight; // borders
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}
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contentHeight += cmExtrasHeight;
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cm.off('update', resize);
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const cmHeight = wrapper.offsetHeight;
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const appliesToHeight = Math.min(section.el.offsetHeight - cmHeight, window.innerHeight / 2);
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const maxHeight = Math.floor(window.innerHeight - headerOffset - appliesToHeight);
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const fit = Math.min(contentHeight, maxHeight);
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if (Math.abs(fit - cmHeight) > 1) {
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cm.setSize(null, fit);
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}
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}
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}
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function fitToAvailableSpace() {
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const lastSectionBottom = sections[sections.length - 1].el.getBoundingClientRect().bottom;
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const delta = Math.floor((window.innerHeight - lastSectionBottom) / sections.length);
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if (delta > 1) {
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sections.forEach(({cm}) => {
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cm.setSize(null, cm.display.lastWrapHeight + delta);
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});
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}
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}
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function genId() {
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return INC_ID++;
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}
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function setGlobalProgress(done, total) {
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const progressElement = $('#global-progress') ||
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total && document.body.appendChild($create('#global-progress'));
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if (total) {
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const progress = (done / Math.max(done, total) * 100).toFixed(1);
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progressElement.style.borderLeftWidth = progress + 'vw';
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setTimeout(() => {
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progressElement.title = progress + '%';
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});
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} else {
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$remove(progressElement);
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}
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}
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function showToMozillaHelp(event) {
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event.preventDefault();
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helpPopup.show(t('styleMozillaFormatHeading'), t('styleToMozillaFormatHelp'));
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}
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/**
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priority:
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1. associated CM for applies-to element
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2. last active if visible
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3. first visible
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*/
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function closestVisible(el) {
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// closest editor should have at least 2 lines visible
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const lineHeight = sections[0].cm.defaultTextHeight();
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const margin = 2 * lineHeight;
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const cm = el instanceof CodeMirror ? el :
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el instanceof Node && getAssociatedEditor(el) || getLastActivatedEditor();
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if (el === cm) el = document.body;
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if (el instanceof Node && cm) {
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const {wrapper} = cm.display;
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if (!container.contains(el) || wrapper.closest('.section').contains(el)) {
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const rect = wrapper.getBoundingClientRect();
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if (rect.top < window.innerHeight - margin && rect.bottom > margin) {
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return cm;
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}
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}
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}
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const scrollY = window.scrollY;
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const windowBottom = scrollY + window.innerHeight - margin;
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const allSectionsContainerTop = scrollY + container.getBoundingClientRect().top;
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const distances = [];
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const alreadyInView = cm && offscreenDistance(null, cm) === 0;
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return alreadyInView ? cm : findClosest();
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function offscreenDistance(index, cm) {
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if (index >= 0 && distances[index] !== undefined) {
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return distances[index];
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}
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const section = cm && cm.display.wrapper.closest('.section');
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if (!section) {
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return 1e9;
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}
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const top = allSectionsContainerTop + section.offsetTop;
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if (top < scrollY + lineHeight) {
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return Math.max(0, scrollY - top - lineHeight);
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}
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if (top < windowBottom) {
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return 0;
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}
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const distance = top - windowBottom + section.offsetHeight;
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if (index >= 0) {
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distances[index] = distance;
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}
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return distance;
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}
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function findClosest() {
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const editors = editor.getEditors();
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const last = editors.length - 1;
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let a = 0;
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let b = last;
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let c;
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let distance;
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while (a < b - 1) {
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c = (a + b) / 2 | 0;
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distance = offscreenDistance(c);
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if (!distance || !c) {
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break;
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}
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const distancePrev = offscreenDistance(c - 1);
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const distanceNext = c < last ? offscreenDistance(c + 1) : 1e20;
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if (distancePrev <= distance && distance <= distanceNext) {
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b = c;
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} else {
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a = c;
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}
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}
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while (b && offscreenDistance(b - 1) <= offscreenDistance(b)) {
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b--;
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}
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const cm = editors[b];
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if (distances[b] > 0) {
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editor.scrollToEditor(cm);
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}
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return cm;
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}
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}
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function getAssociatedEditor(nearbyElement) {
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for (let el = nearbyElement; el; el = el.parentElement) {
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// added by createSection
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if (el.CodeMirror) {
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return el.CodeMirror;
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}
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}
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}
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function findLast(arr, match) {
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for (let i = arr.length - 1; i >= 0; i--) {
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if (match(arr[i])) {
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return arr[i];
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}
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}
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}
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function nextPrevEditor(cm, direction) {
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const editors = editor.getEditors();
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cm = editors[(editors.indexOf(cm) + direction + editors.length) % editors.length];
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editor.scrollToEditor(cm);
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cm.focus();
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return cm;
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}
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function getLastActivatedEditor() {
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let result;
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for (const section of sections) {
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if (section.removed) {
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continue;
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}
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// .lastActive is initiated by codemirror-factory
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if (!result || section.cm.lastActive > result.lastActive) {
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result = section.cm;
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}
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}
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return result;
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}
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function scrollEntirePageOnCtrlShift(event) {
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// make Shift-Ctrl-Wheel scroll entire page even when mouse is over a code editor
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if (event.shiftKey && event.ctrlKey && !event.altKey && !event.metaKey) {
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// Chrome scrolls horizontally when Shift is pressed but on some PCs this might be different
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window.scrollBy(0, event.deltaX || event.deltaY);
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event.preventDefault();
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}
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}
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function showMozillaFormat() {
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const popup = showCodeMirrorPopup(t('styleToMozillaFormatTitle'), '', {readOnly: true});
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popup.codebox.setValue(editor.getValue());
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popup.codebox.execCommand('selectAll');
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}
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function showMozillaFormatImport(text = '') {
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const popup = showCodeMirrorPopup(t('styleFromMozillaFormatPrompt'),
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$create('.buttons', [
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$create('button', {
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name: 'import-replace',
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textContent: t('importReplaceLabel'),
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title: 'Ctrl-Shift-Enter:\n' + t('importReplaceTooltip'),
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onclick: () => doImport({replaceOldStyle: true}),
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}),
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$create('button', {
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name: 'import-append',
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textContent: t('importAppendLabel'),
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title: 'Ctrl-Enter:\n' + t('importAppendTooltip'),
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onclick: doImport,
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}),
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]));
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const contents = $('.contents', popup);
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contents.insertBefore(popup.codebox.display.wrapper, contents.firstElementChild);
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popup.codebox.focus();
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popup.codebox.on('changes', cm => {
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popup.classList.toggle('ready', !cm.isBlank());
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cm.markClean();
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});
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if (text) {
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popup.codebox.setValue(text);
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popup.codebox.clearHistory();
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popup.codebox.markClean();
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}
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// overwrite default extraKeys as those are inapplicable in popup context
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popup.codebox.options.extraKeys = {
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'Ctrl-Enter': doImport,
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'Shift-Ctrl-Enter': () => doImport({replaceOldStyle: true}),
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};
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async function doImport({replaceOldStyle = false}) {
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lockPageUI(true);
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try {
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const code = popup.codebox.getValue().trim();
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if (!RX_META.test(code) ||
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!await getPreprocessor(code) ||
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await messageBoxProxy.confirm(
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t('importPreprocessor'), 'pre-line',
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t('importPreprocessorTitle'))
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) {
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const {sections, errors} = await API.worker.parseMozFormat({code});
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if (!sections.length || errors.some(e => !e.recoverable)) {
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await Promise.reject(errors);
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}
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await initSections(sections, {
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replace: replaceOldStyle,
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focusOn: replaceOldStyle ? 0 : false,
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keepDirty: true,
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});
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helpPopup.close();
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}
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} catch (err) {
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showError(err);
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}
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lockPageUI(false);
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}
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async function getPreprocessor(code) {
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try {
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return (await API.usercss.buildMeta({sourceCode: code})).usercssData.preprocessor;
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} catch (e) {}
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}
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function lockPageUI(locked) {
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document.documentElement.style.pointerEvents = locked ? 'none' : '';
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if (popup.codebox) {
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popup.classList.toggle('ready', locked ? false : !popup.codebox.isBlank());
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popup.codebox.options.readOnly = locked;
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popup.codebox.display.wrapper.style.opacity = locked ? '.5' : '';
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}
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}
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function showError(errors) {
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messageBoxProxy.show({
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className: 'center danger',
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title: t('styleFromMozillaFormatError'),
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contents: $create('pre',
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(Array.isArray(errors) ? errors : [errors])
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.map(e => e.message || e).join('\n')),
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buttons: [t('confirmClose')],
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});
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}
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}
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function updateSectionOrder() {
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const oldOrder = sectionOrder;
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const validSections = sections.filter(s => !s.removed);
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sectionOrder = validSections.map(s => s.id).join(',');
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dirty.modify('sectionOrder', oldOrder, sectionOrder);
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container.dataset.sectionCount = validSections.length;
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linterMan.refreshReport();
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editor.updateToc();
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}
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/** @returns {StyleObj} */
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function getModel() {
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return Object.assign({}, style, {
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sections: sections.filter(s => !s.removed).map(s => s.getModel()),
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});
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}
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function validate() {
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if (!$('#name').reportValidity()) {
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messageBoxProxy.alert(t('styleMissingName'));
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return false;
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}
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for (const section of sections) {
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for (const apply of section.appliesTo) {
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if (apply.type !== 'regexp') {
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continue;
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}
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if (!apply.valueEl.reportValidity()) {
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messageBoxProxy.alert(t('styleBadRegexp'));
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return false;
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}
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}
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}
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return true;
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}
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function updateMeta() {
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$('#name').value = style.customName || style.name || '';
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$('#enabled').checked = style.enabled !== false;
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$('#url').href = style.url || '';
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editor.updateName();
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}
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function updateLivePreview() {
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debounce(updateLivePreviewNow, editor.previewDelay);
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}
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function updateLivePreviewNow() {
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editor.livePreview.update(getModel());
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}
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async function initSections(src, {
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focusOn = 0,
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replace = false,
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keepDirty = false,
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si = editor.scrollInfo,
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} = {}) {
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editor.ready = false;
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if (replace) {
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sections.forEach(s => s.remove(true));
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sections.length = 0;
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container.textContent = '';
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}
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if (si && si.cms && si.cms.length === src.length) {
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si.scrollY2 = si.scrollY + window.innerHeight;
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container.style.height = si.scrollY2 + 'px';
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scrollTo(0, si.scrollY);
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// only restore focus if it's the first CM to avoid derpy quirks
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focusOn = si.cms[0].focus && 0;
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} else {
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si = null;
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}
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let forceRefresh = true;
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let y = 0;
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let tPrev;
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for (let i = 0; i < src.length; i++) {
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const t = performance.now();
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if (!tPrev) {
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tPrev = t;
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} else if (t - tPrev > 100) {
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tPrev = 0;
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forceRefresh = false;
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await new Promise(setTimeout);
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}
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if (si) forceRefresh = y < si.scrollY2 && (y += si.cms[i].parentHeight) > si.scrollY;
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insertSectionAfter(src[i], null, forceRefresh, si && si.cms[i]);
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setGlobalProgress(i, src.length);
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if (!keepDirty) dirty.clear();
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if (i === focusOn) sections[i].cm.focus();
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}
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if (!si || si.cms.every(cm => !cm.height)) {
|
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requestAnimationFrame(fitToAvailableSpace);
|
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}
|
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container.style.removeProperty('height');
|
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setGlobalProgress();
|
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editor.ready = true;
|
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}
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|
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/** @param {EditorSection} section */
|
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function removeSection(section) {
|
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if (sections.every(s => s.removed || s === section)) {
|
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// TODO: hide remove button when `#sections[data-section-count=1]`
|
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throw new Error('Cannot remove last section');
|
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}
|
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if (section.cm.isBlank()) {
|
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const index = sections.indexOf(section);
|
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sections.splice(index, 1);
|
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section.el.remove();
|
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section.remove();
|
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section.destroy();
|
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} else {
|
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const lines = [];
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const MAX_LINES = 10;
|
|
section.cm.doc.iter(0, MAX_LINES + 1, ({text}) => lines.push(text) && false);
|
|
const title = t('sectionCode') + '\n' +
|
|
'-'.repeat(20) + '\n' +
|
|
lines.slice(0, MAX_LINES).map(s => clipString(s, 100)).join('\n') +
|
|
(lines.length > MAX_LINES ? '\n...' : '');
|
|
$('.deleted-section', section.el).title = title;
|
|
section.remove();
|
|
}
|
|
dirty.remove(section, section);
|
|
updateSectionOrder();
|
|
section.off(updateLivePreview);
|
|
updateLivePreview();
|
|
}
|
|
|
|
/** @param {EditorSection} section */
|
|
function restoreSection(section) {
|
|
section.restore();
|
|
updateSectionOrder();
|
|
section.onChange(updateLivePreview);
|
|
updateLivePreview();
|
|
}
|
|
|
|
/**
|
|
* @param {StyleSection} [init]
|
|
* @param {EditorSection} [base]
|
|
* @param {boolean} [forceRefresh]
|
|
* @param {EditorScrollInfo} [si]
|
|
*/
|
|
function insertSectionAfter(init, base, forceRefresh, si) {
|
|
if (!init) {
|
|
init = {code: '', urlPrefixes: ['http://example.com']};
|
|
}
|
|
const section = createSection(init, genId, si);
|
|
const {cm} = section;
|
|
const {code} = init;
|
|
const index = base ? sections.indexOf(base) + 1 : sections.length;
|
|
sections.splice(index, 0, section);
|
|
container.insertBefore(section.el, base ? base.el.nextSibling : null);
|
|
refreshOnView(cm, {code, force: base || forceRefresh});
|
|
registerEvents(section);
|
|
if ((!si || !si.height) && (!base || code)) {
|
|
// Fit a) during startup or b) when the clone button is clicked on a section with some code
|
|
fitToContent(section);
|
|
}
|
|
if (base) {
|
|
cm.focus();
|
|
editor.scrollToEditor(cm);
|
|
}
|
|
updateSectionOrder();
|
|
updateLivePreview();
|
|
section.onChange(updateLivePreview);
|
|
}
|
|
|
|
/** @param {EditorSection} section */
|
|
function moveSectionUp(section) {
|
|
const index = sections.indexOf(section);
|
|
if (index === 0) {
|
|
return;
|
|
}
|
|
container.insertBefore(section.el, sections[index - 1].el);
|
|
sections[index] = sections[index - 1];
|
|
sections[index - 1] = section;
|
|
updateSectionOrder();
|
|
}
|
|
|
|
/** @param {EditorSection} section */
|
|
function moveSectionDown(section) {
|
|
const index = sections.indexOf(section);
|
|
if (index === sections.length - 1) {
|
|
return;
|
|
}
|
|
container.insertBefore(sections[index + 1].el, section.el);
|
|
sections[index] = sections[index + 1];
|
|
sections[index + 1] = section;
|
|
updateSectionOrder();
|
|
}
|
|
|
|
/** @param {EditorSection} section */
|
|
function registerEvents(section) {
|
|
const {el, cm} = section;
|
|
$('.applies-to-help', el).onclick = () => helpPopup.show(t('appliesLabel'), t('appliesHelp'));
|
|
$('.remove-section', el).onclick = () => removeSection(section);
|
|
$('.add-section', el).onclick = () => insertSectionAfter(undefined, section);
|
|
$('.clone-section', el).onclick = () => insertSectionAfter(section.getModel(), section);
|
|
$('.move-section-up', el).onclick = () => moveSectionUp(section);
|
|
$('.move-section-down', el).onclick = () => moveSectionDown(section);
|
|
$('.restore-section', el).onclick = () => restoreSection(section);
|
|
cm.on('paste', maybeImportOnPaste);
|
|
}
|
|
|
|
function maybeImportOnPaste(cm, event) {
|
|
const text = event.clipboardData.getData('text') || '';
|
|
if (/@-moz-document/i.test(text) &&
|
|
/@-moz-document\s+(url|url-prefix|domain|regexp)\(/i
|
|
.test(text.replace(/\/\*([^*]|\*(?!\/))*(\*\/|$)/g, ''))
|
|
) {
|
|
event.preventDefault();
|
|
showMozillaFormatImport(text);
|
|
}
|
|
}
|
|
|
|
function refreshOnView(cm, {code, force} = {}) {
|
|
if (code) {
|
|
linterMan.enableForEditor(cm, code);
|
|
}
|
|
if (force || !xo) {
|
|
refreshOnViewNow(cm);
|
|
} else {
|
|
xo.observe(cm.display.wrapper);
|
|
}
|
|
}
|
|
|
|
/** @param {IntersectionObserverEntry[]} entries */
|
|
function refreshOnViewListener(entries) {
|
|
for (const e of entries) {
|
|
const r = e.isIntersecting && e.intersectionRect;
|
|
if (r) {
|
|
xo.unobserve(e.target);
|
|
const cm = e.target.CodeMirror;
|
|
if (r.bottom > 0 && r.top < window.innerHeight) {
|
|
refreshOnViewNow(cm);
|
|
} else {
|
|
setTimeout(refreshOnViewNow, 0, cm);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
async function refreshOnViewNow(cm) {
|
|
linterMan.enableForEditor(cm);
|
|
cm.refresh();
|
|
}
|
|
}
|