406 lines
12 KiB
JavaScript
406 lines
12 KiB
JavaScript
/* global regExpTester debounce */
|
|
'use strict';
|
|
|
|
function createAppliesToLineWidget(cm) {
|
|
const APPLIES_TYPE = [
|
|
[t('appliesUrlOption'), 'url'],
|
|
[t('appliesUrlPrefixOption'), 'url-prefix'],
|
|
[t('appliesDomainOption'), 'domain'],
|
|
[t('appliesRegexpOption'), 'regexp']
|
|
];
|
|
const THROTTLE_DELAY = 400;
|
|
let widgets = [];
|
|
let fromLine, toLine, gutterStyle, isInit;
|
|
|
|
return {toggle};
|
|
|
|
function toggle(state = !isInit) {
|
|
if (!isInit && state) {
|
|
init();
|
|
} else if (isInit && !state) {
|
|
uninit();
|
|
}
|
|
}
|
|
|
|
function init() {
|
|
isInit = true;
|
|
|
|
gutterStyle = getComputedStyle(cm.getGutterElement());
|
|
fromLine = null;
|
|
toLine = null;
|
|
|
|
cm.on('change', onChange);
|
|
cm.on('optionChange', onOptionChange);
|
|
|
|
// is it possible to avoid flickering?
|
|
window.addEventListener('load', updateWidgetStyle);
|
|
|
|
update();
|
|
}
|
|
|
|
function uninit() {
|
|
isInit = false;
|
|
|
|
widgets.forEach(clearWidget);
|
|
widgets.length = 0;
|
|
cm.off('change', onChange);
|
|
cm.off('optionChange', onOptionChange);
|
|
window.removeEventListener('load', updateWidgetStyle);
|
|
}
|
|
|
|
function onChange(cm, {from, to, origin}) {
|
|
if (origin === 'appliesTo') {
|
|
return;
|
|
}
|
|
if (fromLine === null || toLine === null) {
|
|
fromLine = from.line;
|
|
toLine = to.line;
|
|
} else {
|
|
fromLine = Math.min(fromLine, from.line);
|
|
toLine = Math.max(toLine, to.line);
|
|
}
|
|
debounce(update, THROTTLE_DELAY);
|
|
}
|
|
|
|
function onOptionChange(cm, option) {
|
|
if (option === 'theme') {
|
|
updateWidgetStyle();
|
|
}
|
|
}
|
|
|
|
function update() {
|
|
cm.operation(doUpdate);
|
|
}
|
|
|
|
function updateWidgetStyle() {
|
|
gutterStyle = getComputedStyle(cm.getGutterElement());
|
|
widgets.forEach(setWidgetStyle);
|
|
}
|
|
|
|
function setWidgetStyle(widget) {
|
|
let borderStyle = '';
|
|
if (gutterStyle.borderRightWidth !== '0px') {
|
|
borderStyle = `${gutterStyle.borderRightWidth} ${gutterStyle.borderRightStyle} ${gutterStyle.borderRightColor}`;
|
|
} else {
|
|
borderStyle = `1px solid ${gutterStyle.color}`;
|
|
}
|
|
widget.node.style.backgroundColor = gutterStyle.backgroundColor;
|
|
widget.node.style.borderTop = borderStyle;
|
|
widget.node.style.borderBottom = borderStyle;
|
|
}
|
|
|
|
function doUpdate() {
|
|
// find which widgets needs to be update
|
|
// some widgets (lines) might be deleted
|
|
widgets = widgets.filter(w => w.line.lineNo() !== null);
|
|
let i = fromLine === null ? 0 : widgets.findIndex(w => w.line.lineNo() > fromLine) - 1;
|
|
let j = toLine === null ? 0 : widgets.findIndex(w => w.line.lineNo() > toLine);
|
|
if (i === -2) {
|
|
i = widgets.length - 1;
|
|
}
|
|
if (j < 0) {
|
|
j = widgets.length;
|
|
}
|
|
|
|
// decide search range
|
|
const fromIndex = widgets[i] ? cm.indexFromPos({line: widgets[i].line.lineNo(), ch: 0}) : 0;
|
|
const toIndex = widgets[j] ? cm.indexFromPos({line: widgets[j].line.lineNo(), ch: 0}) : cm.getValue().length;
|
|
|
|
// splice
|
|
i = Math.max(0, i);
|
|
widgets.splice(i, 0, ...createWidgets(fromIndex, toIndex, widgets.splice(i, j - i)));
|
|
|
|
fromLine = null;
|
|
toLine = null;
|
|
}
|
|
|
|
function *createWidgets(start, end, removed) {
|
|
let i = 0;
|
|
for (const section of findAppliesTo(start, end)) {
|
|
while (removed[i] && removed[i].line.lineNo() < section.pos.line) {
|
|
clearWidget(removed[i++]);
|
|
}
|
|
setupMarkers(section);
|
|
if (removed[i] && removed[i].line.lineNo() === section.pos.line) {
|
|
// reuse old widget
|
|
removed[i].section.applies.forEach(apply => {
|
|
apply.type.mark.clear();
|
|
apply.value.mark.clear();
|
|
});
|
|
removed[i].section = section;
|
|
const newNode = buildElement(section);
|
|
removed[i].node.parentNode.replaceChild(newNode, removed[i].node);
|
|
removed[i].node = newNode;
|
|
setWidgetStyle(removed[i]);
|
|
removed[i].changed();
|
|
yield removed[i];
|
|
i++;
|
|
continue;
|
|
}
|
|
// new widget
|
|
const widget = cm.addLineWidget(section.pos.line, buildElement(section), {
|
|
coverGutter: true,
|
|
noHScroll: true,
|
|
above: true
|
|
});
|
|
widget.section = section;
|
|
setWidgetStyle(widget);
|
|
yield widget;
|
|
}
|
|
removed.slice(i).forEach(clearWidget);
|
|
}
|
|
|
|
function clearWidget(widget) {
|
|
widget.clear();
|
|
widget.section.applies.forEach(clearApply);
|
|
}
|
|
|
|
function clearApply(apply) {
|
|
apply.type.mark.clear();
|
|
apply.value.mark.clear();
|
|
apply.mark.clear();
|
|
}
|
|
|
|
function setupMarkers({applies}) {
|
|
applies.forEach(setupApplyMarkers);
|
|
}
|
|
|
|
function setupApplyMarkers(apply) {
|
|
apply.type.mark = cm.markText(
|
|
cm.posFromIndex(apply.type.start),
|
|
cm.posFromIndex(apply.type.end),
|
|
{clearWhenEmpty: false}
|
|
);
|
|
apply.value.mark = cm.markText(
|
|
cm.posFromIndex(apply.value.start),
|
|
cm.posFromIndex(apply.value.end),
|
|
{clearWhenEmpty: false}
|
|
);
|
|
apply.mark = cm.markText(
|
|
cm.posFromIndex(apply.start),
|
|
cm.posFromIndex(apply.end),
|
|
{clearWhenEmpty: false}
|
|
);
|
|
}
|
|
|
|
function buildElement({applies}) {
|
|
const el = $element({className: 'applies-to', appendChild: [
|
|
$element({tag: 'label', appendChild: [
|
|
t('appliesLabel'),
|
|
// $element({tag: 'svg'})
|
|
]}),
|
|
$element({
|
|
tag: 'ul',
|
|
className: 'applies-to-list',
|
|
appendChild: applies.map(makeInputEl)
|
|
})
|
|
]});
|
|
if (!$('li', el)) {
|
|
$('ul', el).appendChild($element({
|
|
tag: 'li',
|
|
className: 'applies-to-everything',
|
|
textContent: t('appliesToEverything')
|
|
}));
|
|
}
|
|
return el;
|
|
|
|
function makeInputEl(apply) {
|
|
const el = $element({tag: 'li', appendChild: makeInput(apply)});
|
|
el.dataset.type = apply.type.text;
|
|
el.addEventListener('change', e => {
|
|
if (e.target.classList.contains('applies-type')) {
|
|
el.dataset.type = apply.type.text;
|
|
}
|
|
});
|
|
return el;
|
|
}
|
|
|
|
function makeInput(apply) {
|
|
const typeInput = $element({
|
|
tag: 'select',
|
|
className: 'applies-type',
|
|
appendChild: APPLIES_TYPE.map(([label, value]) => $element({
|
|
tag: 'option',
|
|
value: value,
|
|
textContent: label
|
|
})),
|
|
onchange(e) {
|
|
applyChange(apply.type, e.target.value);
|
|
}
|
|
});
|
|
typeInput.value = apply.type.text;
|
|
const valueInput = $element({
|
|
tag: 'input',
|
|
className: 'applies-value',
|
|
value: apply.value.text,
|
|
oninput(e) {
|
|
debounce(applyChange, THROTTLE_DELAY, apply.value, e.target.value);
|
|
},
|
|
onfocus: updateRegexpTest
|
|
});
|
|
const regexpTestButton = $element({
|
|
tag: 'button',
|
|
type: 'button',
|
|
className: 'applies-to-regexp-test',
|
|
textContent: t('styleRegexpTestButton'),
|
|
onclick() {
|
|
regExpTester.toggle();
|
|
regExpTester.update([apply.value.text]);
|
|
}
|
|
});
|
|
const removeButton = $element({
|
|
tag: 'button',
|
|
type: 'button',
|
|
className: 'applies-to-remove',
|
|
textContent: t('appliesRemove'),
|
|
onclick(e) {
|
|
const i = applies.indexOf(apply);
|
|
let repl;
|
|
let from;
|
|
let to;
|
|
if (applies.length < 2) {
|
|
alert('Can\'t remove last applies-to');
|
|
return;
|
|
}
|
|
if (i === 0) {
|
|
from = apply.mark.find().from;
|
|
to = applies[i + 1].mark.find().from;
|
|
repl = '';
|
|
} else if (i === applies.length - 1) {
|
|
from = applies[i - 1].mark.find().to;
|
|
to = apply.mark.find().to;
|
|
repl = '';
|
|
} else {
|
|
from = applies[i - 1].mark.find().to;
|
|
to = applies[i + 1].mark.find().from;
|
|
repl = ', ';
|
|
}
|
|
cm.replaceRange(repl, from, to, 'appliesTo');
|
|
clearApply(apply);
|
|
e.target.closest('li').remove();
|
|
applies.splice(i, 1);
|
|
}
|
|
});
|
|
const addButton = $element({
|
|
tag: 'button',
|
|
type: 'button',
|
|
className: 'applies-to-add',
|
|
textContent: t('appliesAdd'),
|
|
onclick(e) {
|
|
const i = applies.indexOf(apply);
|
|
const pos = apply.mark.find().to;
|
|
const text = `, ${apply.type.text}("")`;
|
|
cm.replaceRange(text, pos, pos, 'appliesTo');
|
|
const index = cm.indexFromPos(pos);
|
|
const newApply = {
|
|
type: {
|
|
text: apply.type.text
|
|
},
|
|
value: {
|
|
text: ''
|
|
}
|
|
};
|
|
newApply.start = index + 2;
|
|
newApply.type.start = newApply.start;
|
|
newApply.type.end = newApply.type.start + newApply.type.text.length;
|
|
newApply.value.start = newApply.type.end + 2;
|
|
newApply.value.end = newApply.value.start + newApply.value.text.length;
|
|
newApply.end = newApply.value.end + 2;
|
|
setupApplyMarkers(newApply);
|
|
applies.splice(i + 1, 0, newApply);
|
|
const li = e.target.closest('li');
|
|
li.parentNode.insertBefore(makeInputEl(newApply), li.nextSibling);
|
|
}
|
|
});
|
|
return [typeInput, valueInput, regexpTestButton, removeButton, addButton];
|
|
|
|
function updateRegexpTest() {
|
|
if (apply.type.text === 'regexp') {
|
|
const re = apply.value.text.trim();
|
|
if (re) {
|
|
regExpTester.update([re]);
|
|
} else {
|
|
regExpTester.update([]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function applyChange(input, newText) {
|
|
const range = input.mark.find();
|
|
input.mark.clear();
|
|
cm.replaceRange(newText, range.from, range.to, 'appliesTo');
|
|
input.mark = cm.markText(
|
|
range.from,
|
|
cm.findPosH(
|
|
range.from,
|
|
newText.length,
|
|
'char'
|
|
),
|
|
{clearWhenEmpty: false}
|
|
);
|
|
input.text = newText;
|
|
|
|
if (input === apply.type) {
|
|
const range = apply.mark.find();
|
|
apply.mark.clear();
|
|
apply.mark = cm.markText(
|
|
input.mark.find().from,
|
|
range.to,
|
|
{clearWhenEmpty: false}
|
|
);
|
|
}
|
|
|
|
updateRegexpTest();
|
|
}
|
|
}
|
|
}
|
|
|
|
function *findAppliesTo(posStart, posEnd) {
|
|
const text = cm.getValue();
|
|
const re = /^[\t ]*@-moz-document\s+/mg;
|
|
const applyRe = /^(url|url-prefix|domain|regexp)\(((['"])(?:\\\\|\\\n|\\\3|[^\n])*?\3|[^)\n]*)\)[\s,]*/i;
|
|
let preIndex = re.lastIndex = posStart;
|
|
let match;
|
|
let pos = cm.posFromIndex(preIndex);
|
|
while ((match = re.exec(text))) {
|
|
if (match.index >= posEnd) {
|
|
return;
|
|
}
|
|
pos = cm.findPosH(pos, match.index - preIndex, 'char');
|
|
const applies = [];
|
|
let t = text.slice(re.lastIndex);
|
|
let m;
|
|
let offset = 0;
|
|
while ((m = t.match(applyRe))) {
|
|
const apply = {
|
|
type: {
|
|
text: m[1]
|
|
},
|
|
value: {
|
|
text: normalizeString(m[2])
|
|
}
|
|
};
|
|
apply.type.start = re.lastIndex + offset;
|
|
apply.type.end = apply.type.start + apply.type.text.length;
|
|
apply.value.start = apply.type.end + (apply.value.text === m[2] ? 1 : 2);
|
|
apply.value.end = apply.value.start + apply.value.text.length;
|
|
apply.start = apply.type.start;
|
|
apply.end = apply.value.end + (apply.value.text === m[2] ? 1 : 2);
|
|
applies.push(apply);
|
|
t = t.slice(m[0].length);
|
|
offset += m[0].length;
|
|
}
|
|
yield {pos, applies};
|
|
preIndex = match.index;
|
|
re.lastIndex = text.length - t.length;
|
|
}
|
|
}
|
|
|
|
function normalizeString(s) {
|
|
if (/^(['"])[\s\S]*\1$/.test(s)) {
|
|
return s.slice(1, -1);
|
|
}
|
|
return s;
|
|
}
|
|
}
|