136 lines
3.1 KiB
JavaScript
136 lines
3.1 KiB
JavaScript
'use strict';
|
|
|
|
const color = require('kleur');
|
|
const Prompt = require('./prompt');
|
|
|
|
var _require = require('sisteransi');
|
|
|
|
const cursor = _require.cursor;
|
|
|
|
var _require2 = require('../util');
|
|
|
|
const clear = _require2.clear,
|
|
figures = _require2.figures,
|
|
style = _require2.style;
|
|
|
|
/**
|
|
* MultiselectPrompt Base Element
|
|
* @param {Object} opts Options
|
|
* @param {String} opts.message Message
|
|
* @param {Array} opts.choices Array of choice objects
|
|
* @param {String} [opts.hint] Hint to display
|
|
* @param {Number} [opts.cursor=0] Cursor start position
|
|
* @param {Number} [opts.max] Max choices
|
|
*/
|
|
|
|
class MultiselectPrompt extends Prompt {
|
|
constructor(opts = {}) {
|
|
super(opts);
|
|
this.msg = opts.message;
|
|
this.cursor = opts.cursor || 0;
|
|
this.hint = opts.hint || '- Space to select. Return to submit';
|
|
this.maxChoices = opts.max;
|
|
this.value = opts.choices.map(v => Object.assign({ title: v.value, selected: false }, v));
|
|
this.clear = clear('');
|
|
this.render(true);
|
|
}
|
|
|
|
reset() {
|
|
this.value.map(v => !v.selected);
|
|
this.cursor = 0;
|
|
this.fire();
|
|
this.render();
|
|
}
|
|
|
|
selected() {
|
|
return this.value.filter(v => v.selected);
|
|
}
|
|
|
|
abort() {
|
|
this.done = this.aborted = true;
|
|
this.fire();
|
|
this.render();
|
|
this.out.write('\n');
|
|
this.close();
|
|
}
|
|
|
|
submit() {
|
|
this.done = true;
|
|
this.aborted = false;
|
|
this.fire();
|
|
this.render();
|
|
this.out.write('\n');
|
|
this.close();
|
|
}
|
|
|
|
first() {
|
|
this.cursor = 0;
|
|
this.render();
|
|
}
|
|
|
|
last() {
|
|
this.cursor = this.value.length - 1;
|
|
this.render();
|
|
}
|
|
next() {
|
|
this.cursor = (this.cursor + 1) % this.value.length;
|
|
this.render();
|
|
}
|
|
|
|
up() {
|
|
if (this.cursor === 0) return this.bell();
|
|
this.cursor--;
|
|
this.render();
|
|
}
|
|
|
|
down() {
|
|
if (this.cursor === this.value.length - 1) return this.bell();
|
|
this.cursor++;
|
|
this.render();
|
|
}
|
|
|
|
left() {
|
|
this.value[this.cursor].selected = false;
|
|
this.render();
|
|
}
|
|
|
|
right() {
|
|
if (this.value.filter(e => e.selected).length >= this.maxChoices) return this.bell();
|
|
this.value[this.cursor].selected = true;
|
|
this.render();
|
|
}
|
|
|
|
_(c, key) {
|
|
if (c !== ' ') return this.bell();
|
|
const v = this.value[this.cursor];
|
|
|
|
if (v.selected) {
|
|
v.selected = false;
|
|
this.render();
|
|
} else if (this.value.filter(e => e.selected).length >= this.maxChoices) {
|
|
return this.bell();
|
|
} else {
|
|
v.selected = true;
|
|
this.render();
|
|
}
|
|
}
|
|
|
|
render(first) {
|
|
if (first) this.out.write(cursor.hide);
|
|
|
|
// print prompt
|
|
const selected = this.value.filter(e => e.selected).map(v => v.title).join(', ');
|
|
let prompt = [style.symbol(this.done, this.aborted), color.bold(this.msg), style.delimiter(false), this.done ? selected : color.gray(this.hint)].join(' ');
|
|
|
|
// print choices
|
|
if (!this.done) {
|
|
const c = this.cursor;
|
|
prompt += '\n' + this.value.map((v, i) => (v.selected ? color.green(figures.tick) : ' ') + ' ' + (c === i ? color.cyan.underline(v.title) : v.title)).join('\n');
|
|
}
|
|
|
|
this.out.write(this.clear + prompt);
|
|
this.clear = clear(prompt);
|
|
}
|
|
}
|
|
|
|
module.exports = MultiselectPrompt; |