stylus/edit/settings.js

85 lines
2.1 KiB
JavaScript

/* global $ $$ */// dom.js
/* global API */// msg.js
/* exported StyleSettings */
'use strict';
function StyleSettings(editor) {
let {style} = editor;
const inputs = [
createInput('.style-update-url input', () => style.updateUrl || '',
e => API.styles.config(style.id, 'updateUrl', e.target.value)),
createRadio('.style-prefer-scheme input', () => style.preferScheme || 'none',
e => API.styles.config(style.id, 'preferScheme', e.target.value)),
...[
['.style-include', 'inclusions'],
['.style-exclude', 'exclusions'],
].map(createArea),
];
update(style);
editor.on('styleChange', update);
function textToList(text) {
const list = text.split(/\s*\r?\n\s*/g);
return list.filter(Boolean);
}
function update(newStyle, reason) {
if (!newStyle.id) return;
if (reason === 'editSave' || reason === 'config') return;
style = newStyle;
$('.style-settings').disabled = false;
inputs.forEach(i => i.update());
}
function createArea([parentSel, type]) {
const sel = parentSel + ' textarea';
const el = $(sel);
el.on('input', () => {
const val = el.value;
el.rows = val.match(/^/gm).length + !val.endsWith('\n');
});
return createInput(sel,
() => {
const list = style[type] || [];
const text = list.join('\n');
el.rows = (list.length || 1) + 1;
return text;
},
() => API.styles.config(style.id, type, textToList(el.value))
);
}
function createRadio(selector, getter, setter) {
const els = $$(selector);
for (const el of els) {
el.addEventListener('change', e => {
if (el.checked) {
setter(e);
}
});
}
return {
update() {
for (const el of els) {
if (el.value === getter()) {
el.checked = true;
}
}
},
};
}
function createInput(selector, getter, setter) {
const el = $(selector);
el.addEventListener('change', setter);
return {
update() {
el.value = getter();
},
};
}
}