TorViet Shoutbox Enhancer

A small script to tweak the shoutbox

Versión del día 05/06/2015. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         TorViet Shoutbox Enhancer
// @namespace    http://torviet.com/userdetails.php?id=1662
// @version      0.5.11
// @license      http://www.wtfpl.net/txt/copying/
// @homepageURL  https://github.com/S-a-l-a-d/TorViet-Shoutbox-Enhancer
// @supportURL   https://github.com/S-a-l-a-d/TorViet-Shoutbox-Enhancer/issues
// @icon         http://torviet.com/pic/salad.png
// @description  A small script to tweak the shoutbox
// @author       Salad
// @match        http://torviet.com/qa.php*
// @grant        none
// ==/UserScript==

(function() {
    // First let's get the elements which we will work on.
    var boxHead        = document.getElementById('boxHead'),
        marquee        = document.getElementsByClassName('marquee')[0],
        sltTheme       = document.getElementById('sltTheme'),
        clock          = document.getElementById('clock'),
        allWrapper     = document.getElementsByClassName('all-wrapper')[0],
        inputSection   = document.getElementsByClassName('input-section')[0],
        idQuestion     = document.getElementById('idQuestion'),
        navigationPage = document.getElementsByClassName('navigation_page')[0],
        boxQuestion    = document.getElementById('boxQuestion'),
        emoGroup       = document.getElementById('emogroup'),
        emoGroupDetail = document.getElementsByClassName('emo-group-detail')[0];

    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * Now remove the unnecessary elements including the box containing new torrents *
     * and football news, the warning, the theme drop-down list and the clock.       *
     * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    boxHead.parentNode.removeChild(boxHead);
    marquee.parentNode.removeChild(marquee);
    sltTheme.parentNode.removeChild(sltTheme);
    clock.parentNode.removeChild(clock);

    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * Here we get the window height of the current window size and the height *
     * without the input section and the div holding the navigation.           *
     * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    var windowHeight = window.innerHeight,
    remainingHeight  = inputSection.parentNode.offsetHeight + navigationPage.offsetHeight - 100;

    // Center the wrapper for readability. It's also time to use the defined heights.
    allWrapper.style.cssText                          = 'background-image: none; margin: auto; height: ' + windowHeight + 'px';
    inputSection.parentNode.style.padding             = '0px';
    navigationPage.style.width                        = 'auto';
    boxQuestion.style.height                          = windowHeight - remainingHeight + 2 + 'px';
    emoGroupDetail.parentNode.parentNode.style.height =
        emoGroupDetail.parentNode.style.height        =
        emoGroupDetail.style.height                   = windowHeight - remainingHeight + 'px';

    // Override the default emoticons with the frequently used ones.
    emoGroupDetail.innerHTML = getEmoticons(524, 574) + getEmoticons(707) + getEmoticons(200, 234);

    // Add a button to show/hide the emoticon drop-down list.
    var btnToggle     = document.createElement('input');
    btnToggle.type    = 'button';
    btnToggle.value   = 'Toggle';
    btnToggle.onclick = toggleEmoSlt;
    idQuestion.parentNode.appendChild(btnToggle);

    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
     * Let's see if the user is using Firefox to add the required keymapping event.  *
     * This method is taken from http://stackoverflow.com/questions/9847580/         *
     * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
    typeof InstallTrigger !== 'undefined' ? document.addEventListener('keypress', keyEvent) : document.addEventListener('keydown', keyEvent);

    // Here comes our own functions.
    function toggleEmoSlt() {
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Found this useful method while I was searching for a way to check *
         * whether an element is visible:                                    *
         * http://stackoverflow.com/questions/19669786/                      *
         * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        emoGroup.parentNode.style.display = emoGroup.offsetParent ? 'none' : 'block';
    }

    function getEmoticons(start, end) {
        var emos = '';

        // We won't use a loop if we need only one emoticon.
        if (end === void 0)
            emos = '<div style="height:43px;width:43px;float:left;display:inline-block;margin:1px;"><a style="margin: 0;" class="btuEmotion" alt="[em' + start +
                ']"><img style="max-width: 43px; max-height: 43px" src="/pic/smilies/' + start +
                '.gif" alt=""></a></div>';
        else
            for (var i = start; i <= end; i++)
                emos += '<div style="height:43px;width:43px;float:left;display:inline-block;margin:1px;"><a style="margin: 0;" class="btuEmotion" alt="[em' + i +
                    ']"><img style="max-width: 43px; max-height: 43px" src="/pic/smilies/' + i +
                    '.gif" alt=""></a></div>';

        return emos;
    }

    function keyEvent(e) {
        switch (e.keyCode) {
                // Down arrow.
            case 40:
                (emoGroup !== document.activeElement) && (emoGroup.selectedIndex !== emoGroup.length - 1) && emoGroup.selectedIndex++;
                changeEmoGroup();
                break;
                // Up arrow.
            case 38:
                (emoGroup !== document.activeElement) && (emoGroup.selectedIndex !== 0) && emoGroup.selectedIndex--;
                changeEmoGroup();
                break;
                // Ctrl.
            case 17:
                // Ctrl + C.
            case 17 && 67:
                break;
            default:
                idQuestion.focus();
        }
    }

    function changeEmoGroup() {
        // Native JavaScript method to send an AJAX request.
        var request = new XMLHttpRequest();
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Asynchronous request sometimes doesn't work properly so we'll make it synchronous.  *
         * This process is fast enough so the user won't notice the unresponsive moment        *
         * while the browser is sending the request and receiving the response.                *
         * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        request.open('POST', 'qa_smiley_ajax.php', 0);
        request.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
        request.onreadystatechange = function() {
            request.readyState == 4 && request.status == 200 &&
                (emoGroupDetail.innerHTML = JSON.parse(request.responseText).str, addEmoGroupEvent())
        };
        request.send('group=' + emoGroup.value);
    }

    function addEmoGroupEvent() {
        // Let's add click events for the newly added emoticons.
        for (var i = 0, emos = emoGroupDetail.childNodes, len = emos.length; i < len; i++)
            emos[i].addEventListener('click', function(e) {
                idQuestion.value += e.target.parentNode.getAttribute('alt');
                idQuestion.focus();
            });
    }

    // The following should run at startup.
    toggleEmoSlt();
    addEmoGroupEvent();
    idQuestion.focus();
})();