status quo

Reduce Twitter's character limit because change is frightening and bigger numbers are intimidating.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         status quo
// @namespace    https://seans.site/
// @version      1.0
// @description  Reduce Twitter's character limit because change is frightening and bigger numbers are intimidating.
// @author       Sean S. LeBlanc
// @match        https://twitter.com/
// @grant        none
// @require http://code.jquery.com/jquery-1.12.4.min.js
// ==/UserScript==

(function() {
    'use strict';
    var maxCharacters = 70;

    var tweetCharCount = document.querySelector('#timeline > div.timeline-tweet-box > div > form > div.TweetBoxToolbar > div.TweetBoxToolbar-tweetButton.tweet-button > span');
    var countStyle = window.getComputedStyle(tweetCharCount);
    var newCount = document.createElement("p");
    newCount.innerText = maxCharacters;
    newCount.style.cssText = countStyle.cssText;
    tweetCharCount.style.visibility = "hidden";
    tweetCharCount.insertAdjacentElement('afterend', newCount);
    var tweetLength = 0;
    var charactersLeft = maxCharacters;
    $(document).on("input", '#tweet-box-home-timeline', function(event){
        var tweetBox = event.currentTarget.childNodes[0];
        if(tweetBox.innerText.length > maxCharacters){
            var t=document.createTextNode(tweetBox.innerText.substr(0,maxCharacters));
            tweetBox.innerText = "";
            //selection code adapted from: https://stackoverflow.com/questions/17497661/insert-text-before-and-after-selection-in-a-contenteditable
            var sel = window.getSelection();
            if (sel.rangeCount > 0) {
                var range = sel.getRangeAt(0);
                var startNode = range.startContainer;
                var startOffset = range.startOffset;
                var boundaryRange = range.cloneRange();
                boundaryRange.collapse(false);
                boundaryRange.setStart(startNode, startOffset);
                boundaryRange.collapse(true);
                boundaryRange.insertNode(t);
                range.setStartAfter(t);
                range.setEndAfter(t);
                sel.removeAllRanges();
                sel.addRange(range);
            }
        }
        tweetLength = tweetBox.innerText.length;
        charactersLeft = maxCharacters - tweetLength;
        newCount.innerText = charactersLeft.toString(10);
    });
})();