SweClockers JavaScript sidladdare

Lägger till en knapp som läser in kommande inlägg utan uppdatering av sidan.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         SweClockers JavaScript sidladdare
// @namespace    hAPsdWxok4bTePK8JZdG
// @author       LemonIllusion
// @version      2.0.2
// @match        https://www.sweclockers.com/forum/trad/*
// @match        https://www.sweclockers.com/forum/post/*
// @description  Lägger till en knapp som läser in kommande inlägg utan uppdatering av sidan.
// ==/UserScript==

function getDocument(url, callback) {
    let xhr = new XMLHttpRequest();
    xhr.addEventListener("load", function() {
        callback(xhr.responseXML)
    });
    xhr.open("GET", url);
    xhr.responseType = "document";
    xhr.send();
}

let nextURL, canLoad = false;

HTMLDocument.prototype.hasNextPage = function() {
    return this.getElementsByClassName("next-page").length !== 0
};

HTMLDocument.prototype.getNextPageURL = function() {
    return this.getElementsByClassName("next-page")[0].href
};

HTMLDocument.prototype.prepareNextPage = function() {
    if (this.hasNextPage()) {
        nextURL = this.getNextPageURL();
        nextButton.setText("Ladda fler inlägg");
        nextButton.classList.add("clickable");
        canLoad = true;
    } else {
        nextButton.setText("Det finns inga fler inlägg att ladda");
    }
}

HTMLDocument.prototype.importPosts = function() {
    let forumPosts = this.getElementsByClassName("forumPosts")[0];
    nextButton.parentNode.insertBefore(forumPosts, nextButton);
    for (let script of forumPosts.getElementsByTagName("script")) {
        new Function(script.text)();
    }
}

let defaultNextButtons = document.getElementsByClassName("next-page");
let isCurrentPage = Array.from(document.getElementsByClassName("isCurrent")); // för HTMLCollections är dynamiska och loopar idiotiskt med for of

function loadNext() {
    if (canLoad) {
        canLoad = false;
        this.classList.remove("clickable");
        this.setText("Laddar...");
        getDocument(nextURL, function(doc) {
            doc.importPosts();
            doc.prepareNextPage();
            for (let button of defaultNextButtons) {
                button.href = nextURL;
            }
            for (let page of isCurrentPage) {
                page.classList.remove("isCurrent");
                isCurrentPage = [];
            }
        });
    }
}

{
    let style = document.createElement('style');
    document.head.appendChild(style);
    style.sheet.insertRule(".forumPosts {margin-bottom: 8px;}");
    style.sheet.insertRule(".nextButton {margin-bottom: 16px; text-align: center;}");
    style.sheet.insertRule(".nextButton.clickable {cursor: pointer}");
}

let nextButton = document.createElement("div");
nextButton.className = "forumPost nextButton";
nextButton.innerHTML = '<div class="postHeader table"><div class="row"><div class="cell">Förbereder...</div></div></div>';
nextButton.setText = function(text) {
    this.getElementsByClassName("cell")[0].innerHTML = text
};
nextButton.addEventListener("click", loadNext);
{
    let forumControls = document.getElementsByClassName("forumControls")[1];
    forumControls.parentNode.insertBefore(nextButton, forumControls);
}

document.prepareNextPage();