// ==UserScript==
// @name        Format Hotkey for Replace
// @version     20-March-2021
// @author      Jurid
// @description Format Hotkey
// @include     https://replace.org.ua/*
// ==/UserScript==

(function () {
    document.getElementById("fld1").onkeydown = function (e) {
        e = e || window.event

        if (e.ctrlKey && get[e.key]) {
            e.preventDefault()
            insert_text(...get[e.key])
        }
    }
})()

function insert_text(o, c = o) {
    let field, b, s, a
    o = "[" + o + "]"; c = "[/" + c + "]"
    field = document.getElementById("fld1")
    b = field.value.substring(0, field.selectionStart) + o
    s = field.value.substring(field.selectionStart, field.selectionEnd)
    a = c + field.value.substring(field.selectionEnd, field.value.length)
    document.execCommand("insertText", false, o + s + c)

    field.selectionStart = b.length
    field.selectionEnd = field.value.length - a.length
}

var get = {
    "b": ["b"],
    "i": ["i"],
    "u": ["u"],
    "s": ["s"],
    "m": ["tt"],
    "1": ["list=1", "list"],
    "2": ["list=a", "list"],
    "8": ["list=*", "list"],
    "p": ["*"],
    "q": ["quote"],
    "k": ["code"],
    "l": ["url"],
    "g": ["img"],
    "r": ["color=green", "color"],
    "h": ["spoiler"],
}