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pxgamer / Devrant - Quick Emoji

// ==UserScript==
// @name         Devrant - Quick Emoji
// @namespace    PXgamer
// @version      0.2
// @description  Something
// @author       PXgamer
// @include      *devrant.io/*
// @grant        none
// ==/UserScript==
/*jshint multistr: true */

(function() {
    'use strict';
    $('head').append('<style>.quickEmoji{cursor:pointer}.emojibar{background-color:#aaaab8;color:#fff;padding:4px 14px;font-size:14px;border-bottom:0.2em solid grey}</style>');

    jQuery.fn.extend({
        insertAtCaret: function(myValue){
            return this.each(function(i) {
                if (document.selection) {
                    //For browsers like Internet Explorer
                    this.focus();
                    sel = document.selection.createRange();
                    sel.text = myValue;
                    this.focus();
                }
                else if (this.selectionStart || this.selectionStart == '0') {
                    //For browsers like Firefox and Webkit based
                    var startPos = this.selectionStart;
                    var endPos = this.selectionEnd;
                    var scrollTop = this.scrollTop;
                    this.value = this.value.substring(0, startPos)+myValue+this.value.substring(endPos,this.value.length);
                    this.focus();
                    this.selectionStart = startPos + myValue.length;
                    this.selectionEnd = startPos + myValue.length;
                    this.scrollTop = scrollTop;
                } else {
                    this.value += myValue;
                    this.focus();
                }
            });
        }
    });

    $('.post-rant-bottom').before(`
<div class="emojibar">
<span class="quickEmoji" title="Grinning">😀</span>
<span class="quickEmoji" title="Joy">😂</span>
<span class="quickEmoji" title="Smile">😃</span>
<span class="quickEmoji" title="Rofl">🤣</span>
<span class="quickEmoji" title="Laugh">😆</span>
<span class="quickEmoji" title="Wink">😉</span>
<span class="quickEmoji" title="Neutral">😐</span>
<span class="quickEmoji" title="Smiley eyes">😊</span>
<span class="quickEmoji" title="Sad">☹️</span>
<span class="quickEmoji" title="Weary">😩</span>
<span class="quickEmoji" title="Love">😍</span>
<span class="quickEmoji" title="Cool">😎</span>
</div>
`);

    $('.quickEmoji').click(function(){
        var emoji = $(this).text();
        $('#rant').insertAtCaret(emoji);
    });
})();