607 lines
18 KiB
JavaScript
607 lines
18 KiB
JavaScript
/* global showHelp toggleContextMenuDelete createSection
|
|
CodeMirror linter createLivePreview showCodeMirrorPopup
|
|
sectionsToMozFormat messageBox clipString
|
|
$ $$ $create t FIREFOX API
|
|
debounce */
|
|
/* exported createSectionsEditor */
|
|
'use strict';
|
|
|
|
function createSectionsEditor(editorBase) {
|
|
const {style, dirty} = editorBase;
|
|
|
|
let INC_ID = 0; // an increment id that is used by various object to track the order
|
|
|
|
const container = $('#sections');
|
|
const sections = [];
|
|
|
|
container.classList.add('section-editor');
|
|
updateHeader();
|
|
$('#to-mozilla').addEventListener('click', showMozillaFormat);
|
|
$('#to-mozilla-help').addEventListener('click', showToMozillaHelp);
|
|
$('#from-mozilla').addEventListener('click', () => showMozillaFormatImport());
|
|
|
|
document.addEventListener('wheel', scrollEntirePageOnCtrlShift, {passive: false});
|
|
CodeMirror.defaults.extraKeys['Shift-Ctrl-Wheel'] = 'scrollWindow';
|
|
|
|
if (!FIREFOX) {
|
|
$$([
|
|
'input:not([type])',
|
|
'input[type="text"]',
|
|
'input[type="search"]',
|
|
'input[type="number"]',
|
|
].join(','))
|
|
.forEach(e => e.addEventListener('mousedown', toggleContextMenuDelete));
|
|
}
|
|
|
|
const xo = window.IntersectionObserver && new IntersectionObserver(entries => {
|
|
for (const {isIntersecting, target} of entries) {
|
|
if (isIntersecting) {
|
|
target.CodeMirror.refresh();
|
|
xo.unobserve(target);
|
|
}
|
|
}
|
|
}, {rootMargin: '100%'});
|
|
const refreshOnView = (cm, force) =>
|
|
force || !xo ?
|
|
cm.refresh() :
|
|
xo.observe(cm.display.wrapper);
|
|
|
|
let sectionOrder = '';
|
|
let headerOffset; // in compact mode the header is at the top so it reduces the available height
|
|
const ready = initSections(style.sections.slice(), {isFirstInit: true});
|
|
|
|
const livePreview = createLivePreview();
|
|
livePreview.show(Boolean(style.id));
|
|
|
|
return Object.assign({}, editorBase, {
|
|
ready,
|
|
replaceStyle,
|
|
getEditors,
|
|
scrollToEditor,
|
|
getEditorTitle: cm => {
|
|
const index = sections.filter(s => !s.isRemoved()).findIndex(s => s.cm === cm);
|
|
return `${t('sectionCode')} ${index + 1}`;
|
|
},
|
|
save,
|
|
nextEditor,
|
|
prevEditor,
|
|
closestVisible,
|
|
getSearchableInputs,
|
|
updateLivePreview,
|
|
});
|
|
|
|
function fitToContent(section) {
|
|
const {el, cm, cm: {display: {wrapper, sizer}}} = section;
|
|
if (cm.display.renderedView) {
|
|
resize();
|
|
} else {
|
|
cm.on('update', resize);
|
|
}
|
|
|
|
function resize() {
|
|
let contentHeight = sizer.offsetHeight;
|
|
if (contentHeight < cm.defaultTextHeight()) {
|
|
return;
|
|
}
|
|
if (headerOffset == null) {
|
|
headerOffset = el.getBoundingClientRect().top;
|
|
}
|
|
contentHeight += 9; // border & resize grip
|
|
cm.off('update', resize);
|
|
const cmHeight = wrapper.offsetHeight;
|
|
const maxHeight = (window.innerHeight - headerOffset) - (section.el.offsetHeight - cmHeight);
|
|
cm.setSize(null, Math.min(contentHeight, maxHeight));
|
|
}
|
|
}
|
|
|
|
function fitToAvailableSpace() {
|
|
const ch = container.offsetHeight;
|
|
let available = ch - sections[sections.length - 1].el.getBoundingClientRect().bottom + headerOffset;
|
|
if (available <= 1) available = window.innerHeight - ch - headerOffset;
|
|
const delta = Math.floor(available / sections.length);
|
|
if (delta > 1) {
|
|
sections.forEach(({cm}) => {
|
|
cm.setSize(null, cm.display.wrapper.offsetHeight + delta);
|
|
});
|
|
}
|
|
}
|
|
|
|
function genId() {
|
|
return INC_ID++;
|
|
}
|
|
|
|
function setGlobalProgress(done, total) {
|
|
const progressElement = $('#global-progress') ||
|
|
total && document.body.appendChild($create('#global-progress'));
|
|
if (total) {
|
|
const progress = (done / Math.max(done, total) * 100).toFixed(1);
|
|
progressElement.style.borderLeftWidth = progress + 'vw';
|
|
setTimeout(() => {
|
|
progressElement.title = progress + '%';
|
|
});
|
|
} else {
|
|
$.remove(progressElement);
|
|
}
|
|
}
|
|
|
|
function showToMozillaHelp(event) {
|
|
event.preventDefault();
|
|
showHelp(t('styleMozillaFormatHeading'), t('styleToMozillaFormatHelp'));
|
|
}
|
|
|
|
function getSearchableInputs(cm) {
|
|
return sections.find(s => s.cm === cm).appliesTo.map(a => a.valueEl).filter(Boolean);
|
|
}
|
|
|
|
// priority:
|
|
// 1. associated CM for applies-to element
|
|
// 2. last active if visible
|
|
// 3. first visible
|
|
function closestVisible(nearbyElement) {
|
|
const cm =
|
|
nearbyElement instanceof CodeMirror ? nearbyElement :
|
|
nearbyElement instanceof Node && getAssociatedEditor(nearbyElement) || getLastActivatedEditor();
|
|
if (nearbyElement instanceof Node && cm) {
|
|
const {left, top} = nearbyElement.getBoundingClientRect();
|
|
const bounds = cm.display.wrapper.getBoundingClientRect();
|
|
if (top >= 0 && top >= bounds.top &&
|
|
left >= 0 && left >= bounds.left) {
|
|
return cm;
|
|
}
|
|
}
|
|
// closest editor should have at least 2 lines visible
|
|
const lineHeight = sections[0].cm.defaultTextHeight();
|
|
const scrollY = window.scrollY;
|
|
const windowBottom = scrollY + window.innerHeight - 2 * lineHeight;
|
|
const allSectionsContainerTop = scrollY + $('#sections').getBoundingClientRect().top;
|
|
const distances = [];
|
|
const alreadyInView = cm && offscreenDistance(null, cm) === 0;
|
|
return alreadyInView ? cm : findClosest();
|
|
|
|
function offscreenDistance(index, cm) {
|
|
if (index >= 0 && distances[index] !== undefined) {
|
|
return distances[index];
|
|
}
|
|
const section = cm && cm.display.wrapper.closest('.section');
|
|
if (!section) {
|
|
return 1e9;
|
|
}
|
|
const top = allSectionsContainerTop + section.offsetTop;
|
|
if (top < scrollY + lineHeight) {
|
|
return Math.max(0, scrollY - top - lineHeight);
|
|
}
|
|
if (top < windowBottom) {
|
|
return 0;
|
|
}
|
|
const distance = top - windowBottom + section.offsetHeight;
|
|
if (index >= 0) {
|
|
distances[index] = distance;
|
|
}
|
|
return distance;
|
|
}
|
|
|
|
function findClosest() {
|
|
const editors = getEditors();
|
|
const last = editors.length - 1;
|
|
let a = 0;
|
|
let b = last;
|
|
let c;
|
|
let distance;
|
|
while (a < b - 1) {
|
|
c = (a + b) / 2 | 0;
|
|
distance = offscreenDistance(c);
|
|
if (!distance || !c) {
|
|
break;
|
|
}
|
|
const distancePrev = offscreenDistance(c - 1);
|
|
const distanceNext = c < last ? offscreenDistance(c + 1) : 1e20;
|
|
if (distancePrev <= distance && distance <= distanceNext) {
|
|
b = c;
|
|
} else {
|
|
a = c;
|
|
}
|
|
}
|
|
while (b && offscreenDistance(b - 1) <= offscreenDistance(b)) {
|
|
b--;
|
|
}
|
|
const cm = editors[b];
|
|
if (distances[b] > 0) {
|
|
scrollToEditor(cm);
|
|
}
|
|
return cm;
|
|
}
|
|
}
|
|
|
|
function getAssociatedEditor(nearbyElement) {
|
|
for (let el = nearbyElement; el; el = el.parentElement) {
|
|
// added by createSection
|
|
if (el.CodeMirror) {
|
|
return el.CodeMirror;
|
|
}
|
|
}
|
|
}
|
|
|
|
function getEditors() {
|
|
return sections.filter(s => !s.isRemoved()).map(s => s.cm);
|
|
}
|
|
|
|
function nextEditor(cm, cycle = true) {
|
|
if (!cycle && findLast(sections, s => !s.isRemoved()).cm === cm) {
|
|
return;
|
|
}
|
|
return nextPrevEditor(cm, 1);
|
|
}
|
|
|
|
function prevEditor(cm, cycle = true) {
|
|
if (!cycle && sections.find(s => !s.isRemoved()).cm === cm) {
|
|
return;
|
|
}
|
|
return nextPrevEditor(cm, -1);
|
|
}
|
|
|
|
function findLast(arr, match) {
|
|
for (let i = arr.length - 1; i >= 0; i--) {
|
|
if (match(arr[i])) {
|
|
return arr[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
function nextPrevEditor(cm, direction) {
|
|
const editors = getEditors();
|
|
cm = editors[(editors.indexOf(cm) + direction + editors.length) % editors.length];
|
|
scrollToEditor(cm);
|
|
cm.focus();
|
|
return cm;
|
|
}
|
|
|
|
function scrollToEditor(cm) {
|
|
const section = sections.find(s => s.cm === cm).el;
|
|
const bounds = section.getBoundingClientRect();
|
|
if (
|
|
(bounds.bottom > window.innerHeight && bounds.top > 0) ||
|
|
(bounds.top < 0 && bounds.bottom < window.innerHeight)
|
|
) {
|
|
if (bounds.top < 0) {
|
|
window.scrollBy(0, bounds.top - 1);
|
|
} else {
|
|
window.scrollBy(0, bounds.bottom - window.innerHeight + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
function getLastActivatedEditor() {
|
|
let result;
|
|
for (const section of sections) {
|
|
if (section.isRemoved()) {
|
|
continue;
|
|
}
|
|
// .lastActive is initiated by codemirror-factory
|
|
if (!result || section.cm.lastActive > result.lastActive) {
|
|
result = section.cm;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function scrollEntirePageOnCtrlShift(event) {
|
|
// make Shift-Ctrl-Wheel scroll entire page even when mouse is over a code editor
|
|
if (event.shiftKey && event.ctrlKey && !event.altKey && !event.metaKey) {
|
|
// Chrome scrolls horizontally when Shift is pressed but on some PCs this might be different
|
|
window.scrollBy(0, event.deltaX || event.deltaY);
|
|
event.preventDefault();
|
|
}
|
|
}
|
|
|
|
function showMozillaFormat() {
|
|
const popup = showCodeMirrorPopup(t('styleToMozillaFormatTitle'), '', {readOnly: true});
|
|
popup.codebox.setValue(sectionsToMozFormat(getModel()));
|
|
popup.codebox.execCommand('selectAll');
|
|
}
|
|
|
|
function showMozillaFormatImport(text = '') {
|
|
const popup = showCodeMirrorPopup(t('styleFromMozillaFormatPrompt'),
|
|
$create('.buttons', [
|
|
$create('button', {
|
|
name: 'import-replace',
|
|
textContent: t('importReplaceLabel'),
|
|
title: 'Ctrl-Shift-Enter:\n' + t('importReplaceTooltip'),
|
|
onclick: () => doImport({replaceOldStyle: true}),
|
|
}),
|
|
$create('button', {
|
|
name: 'import-append',
|
|
textContent: t('importAppendLabel'),
|
|
title: 'Ctrl-Enter:\n' + t('importAppendTooltip'),
|
|
onclick: doImport,
|
|
}),
|
|
]));
|
|
const contents = $('.contents', popup);
|
|
contents.insertBefore(popup.codebox.display.wrapper, contents.firstElementChild);
|
|
popup.codebox.focus();
|
|
popup.codebox.on('changes', cm => {
|
|
popup.classList.toggle('ready', !cm.isBlank());
|
|
cm.markClean();
|
|
});
|
|
if (text) {
|
|
popup.codebox.setValue(text);
|
|
popup.codebox.clearHistory();
|
|
popup.codebox.markClean();
|
|
}
|
|
// overwrite default extraKeys as those are inapplicable in popup context
|
|
popup.codebox.options.extraKeys = {
|
|
'Ctrl-Enter': doImport,
|
|
'Shift-Ctrl-Enter': () => doImport({replaceOldStyle: true}),
|
|
};
|
|
|
|
function doImport({replaceOldStyle = false}) {
|
|
lockPageUI(true);
|
|
API.parseCss({code: popup.codebox.getValue().trim()})
|
|
.then(({sections, errors}) => {
|
|
// shouldn't happen but just in case
|
|
if (!sections.length || errors.length) {
|
|
throw errors;
|
|
}
|
|
if (replaceOldStyle) {
|
|
return replaceSections(sections);
|
|
}
|
|
return initSections(sections, {focusOn: false});
|
|
})
|
|
.then(() => {
|
|
$('.dismiss').dispatchEvent(new Event('click'));
|
|
})
|
|
.catch(showError)
|
|
.then(() => lockPageUI(false));
|
|
}
|
|
|
|
function lockPageUI(locked) {
|
|
document.documentElement.style.pointerEvents = locked ? 'none' : '';
|
|
if (popup.codebox) {
|
|
popup.classList.toggle('ready', locked ? false : !popup.codebox.isBlank());
|
|
popup.codebox.options.readOnly = locked;
|
|
popup.codebox.display.wrapper.style.opacity = locked ? '.5' : '';
|
|
}
|
|
}
|
|
|
|
function showError(errors) {
|
|
messageBox({
|
|
className: 'center danger',
|
|
title: t('styleFromMozillaFormatError'),
|
|
contents: $create('pre', Array.isArray(errors) ? errors.join('\n') : errors),
|
|
buttons: [t('confirmClose')],
|
|
});
|
|
}
|
|
}
|
|
|
|
function updateSectionOrder() {
|
|
const oldOrder = sectionOrder;
|
|
const validSections = sections.filter(s => !s.isRemoved());
|
|
sectionOrder = validSections.map(s => s.id).join(',');
|
|
dirty.modify('sectionOrder', oldOrder, sectionOrder);
|
|
container.dataset.sectionCount = validSections.length;
|
|
linter.refreshReport();
|
|
}
|
|
|
|
function getModel() {
|
|
return Object.assign({}, style, {
|
|
sections: sections.filter(s => !s.isRemoved()).map(s => s.getModel())
|
|
});
|
|
}
|
|
|
|
function validate() {
|
|
if (!$('#name').reportValidity()) {
|
|
messageBox.alert(t('styleMissingName'));
|
|
return false;
|
|
}
|
|
for (const section of sections) {
|
|
for (const apply of section.appliesTo) {
|
|
if (apply.getType() !== 'regexp') {
|
|
continue;
|
|
}
|
|
if (!apply.valueEl.reportValidity()) {
|
|
messageBox.alert(t('styleBadRegexp'));
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function save() {
|
|
if (!dirty.isDirty()) {
|
|
return;
|
|
}
|
|
const newStyle = getModel();
|
|
if (!validate(newStyle)) {
|
|
return;
|
|
}
|
|
API.editSave(newStyle)
|
|
.then(newStyle => {
|
|
destroyRemovedSections();
|
|
sessionStorage.justEditedStyleId = newStyle.id;
|
|
replaceStyle(newStyle, false);
|
|
});
|
|
}
|
|
|
|
function destroyRemovedSections() {
|
|
for (let i = 0; i < sections.length;) {
|
|
if (!sections[i].isRemoved()) {
|
|
i++;
|
|
continue;
|
|
}
|
|
sections[i].destroy();
|
|
sections[i].el.remove();
|
|
sections.splice(i, 1);
|
|
}
|
|
}
|
|
|
|
function updateHeader() {
|
|
$('#name').value = style.customName || style.name || '';
|
|
$('#enabled').checked = style.enabled !== false;
|
|
$('#url').href = style.url || '';
|
|
editorBase.updateName();
|
|
}
|
|
|
|
function updateLivePreview() {
|
|
debounce(_updateLivePreview, 200);
|
|
}
|
|
|
|
function _updateLivePreview() {
|
|
livePreview.update(getModel());
|
|
}
|
|
|
|
function initSections(originalSections, {
|
|
focusOn = 0,
|
|
isFirstInit,
|
|
} = {}) {
|
|
let done;
|
|
const total = originalSections.length;
|
|
return new Promise(resolve => {
|
|
done = resolve;
|
|
chunk(true);
|
|
});
|
|
function chunk(forceRefresh) {
|
|
const t0 = performance.now();
|
|
while (originalSections.length && performance.now() - t0 < 100) {
|
|
insertSectionAfter(originalSections.shift(), undefined, forceRefresh);
|
|
if (isFirstInit) dirty.clear();
|
|
if (focusOn !== false && sections[focusOn]) {
|
|
sections[focusOn].cm.focus();
|
|
focusOn = false;
|
|
}
|
|
}
|
|
setGlobalProgress(total - originalSections.length, total);
|
|
if (!originalSections.length) {
|
|
setGlobalProgress();
|
|
fitToAvailableSpace();
|
|
done();
|
|
} else {
|
|
setTimeout(chunk);
|
|
}
|
|
}
|
|
}
|
|
|
|
function removeSection(section) {
|
|
if (sections.every(s => s.isRemoved() || s === section)) {
|
|
// TODO: hide remove button when `#sections[data-section-count=1]`
|
|
throw new Error('Cannot remove last section');
|
|
}
|
|
if (section.cm.isBlank()) {
|
|
const index = sections.indexOf(section);
|
|
sections.splice(index, 1);
|
|
section.el.remove();
|
|
section.remove();
|
|
section.destroy();
|
|
} else {
|
|
const lines = [];
|
|
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();
|
|
}
|
|
|
|
function restoreSection(section) {
|
|
section.restore();
|
|
updateSectionOrder();
|
|
section.onChange(updateLivePreview);
|
|
updateLivePreview();
|
|
}
|
|
|
|
function insertSectionAfter(init, base, forceRefresh) {
|
|
if (!init) {
|
|
init = {code: '', urlPrefixes: ['http://example.com']};
|
|
}
|
|
const section = createSection({
|
|
originalSection: init,
|
|
genId,
|
|
dirty,
|
|
showMozillaFormatImport,
|
|
removeSection,
|
|
restoreSection,
|
|
insertSectionAfter,
|
|
moveSectionUp,
|
|
moveSectionDown,
|
|
prevEditor,
|
|
nextEditor
|
|
});
|
|
const {cm} = section;
|
|
sections.splice(base ? sections.indexOf(base) + 1 : sections.length, 0, section);
|
|
container.insertBefore(section.el, base ? base.el.nextSibling : null);
|
|
refreshOnView(cm, forceRefresh);
|
|
if (!base || init.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();
|
|
setTimeout(scrollToEditor, 0, cm);
|
|
}
|
|
updateSectionOrder();
|
|
section.onChange(updateLivePreview);
|
|
updateLivePreview();
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
function replaceSections(originalSections) {
|
|
for (const section of sections) {
|
|
section.remove(true);
|
|
}
|
|
sections.length = 0;
|
|
container.textContent = '';
|
|
return initSections(originalSections);
|
|
}
|
|
|
|
function replaceStyle(newStyle, codeIsUpdated) {
|
|
dirty.clear('name');
|
|
// FIXME: avoid recreating all editors?
|
|
reinit().then(() => {
|
|
Object.assign(style, newStyle);
|
|
updateHeader();
|
|
dirty.clear();
|
|
// Go from new style URL to edit style URL
|
|
if (location.href.indexOf('id=') === -1 && style.id) {
|
|
history.replaceState({}, document.title, 'edit.html?id=' + style.id);
|
|
$('#heading').textContent = t('editStyleHeading');
|
|
}
|
|
livePreview.show(Boolean(style.id));
|
|
updateLivePreview();
|
|
});
|
|
|
|
function reinit() {
|
|
if (codeIsUpdated !== false) {
|
|
return replaceSections(newStyle.sections.slice());
|
|
}
|
|
return Promise.resolve();
|
|
}
|
|
}
|
|
}
|