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Displays the xkcd mouse-hover text when you click the comic (+date of comic submission), also adds a link to explaixkcd.com
// ==UserScript==
// @name XKCD enhancments
// @description Displays the xkcd mouse-hover text when you click the comic (+date of comic submission), also adds a link to explaixkcd.com
// @namespace http://greasyfork.icu/users/98-jonnyrobbie
// @author JonnyRobbie
// @grant none
// @include /^https?:\/\/(www\.)?xkcd\.com\/(\d+\/)?$/
// @version 3
// ==/UserScript==
function main() {
var jsonObj = JSON.parse(getMeta());
appendHover(jsonObj);
linkExplain(jsonObj.num);
}
function getMeta() {
var jsonResponse;
var xkcdMeta = new XMLHttpRequest();
function reqListener () {
jsonResponse = this.responseText;
}
xkcdMeta.onload = reqListener;
xkcdMeta.open("get", document.URL + "info.0.json", false);
xkcdMeta.send();
return jsonResponse;
}
function appendHover (jsonObj) {
var comicDiv = document.getElementById("comic");
var comic = comicDiv.getElementsByTagName("img")[0];
var titleWrap = document.createElement("div");
titleWrap.style.height = "0px";
titleWrap.style.color = "#fff";
titleWrap.style.fontStyle = "italic";
titleWrap.style.fontSize = "0.8em";
titleWrap.style.marginLeft = "20px";
titleWrap.style.marginRight = "20px";
var altTitle = document.createElement("div");
altTitle.innerHTML = jsonObj.year + "-" + ((jsonObj.month<10) ? ("0" + jsonObj.month) : jsonObj.month) + "-" + ((jsonObj.day<10) ? ("0" + jsonObj.day) : jsonObj.day) + "</br>" + jsonObj.alt;
titleWrap.appendChild(altTitle);
function animListener() {
animateIn(titleWrap, altTitle, comic, animListener);
}
comic.addEventListener("click", animListener);
comicDiv.parentNode.insertBefore(titleWrap, comicDiv.nextSibling);
}
function linkExplain (jsonNum) {
titleDiv = document.getElementById('ctitle');
var comicName = titleDiv.innerHTML;
titleDiv.innerHTML = "";
var origTitle = document.createElement("span");
origTitle.innerHTML = comicName;
titleDiv.appendChild(origTitle);
var linkTitle = document.createElement("a");
linkTitle.innerHTML = "(ExplainXKCD)";
linkTitle.style.display = "none";
linkTitle.href = "http://www.explainxkcd.com/wiki/index.php?title=" + jsonNum;
titleDiv.appendChild(linkTitle);
origTitle.onmouseover = function(){changeVisibility(this, linkTitle);}
origTitle.onmouseclick = function(){changeVisibility(this, linkTitle);}
linkTitle.onmouseover = function(){changeVisibility(origTitle, this);}
origTitle.onmouseout = function(){changeVisibility(linkTitle, this);}
linkTitle.onmouseout = function(){changeVisibility(this, origTitle);}
}
function changeVisibility(hideElem, showElem) {
hideElem.style.display = "none";
showElem.style.display = "inline"
}
function animateIn(outer, inner, comic, animListener){
var size = 0.0;
var rgb = 255;
comic.removeEventListener("click", animListener);
function animListenerOut() {
animateOut(outer, inner, comic, animListenerOut);
}
var id = setInterval(function() {
size = size + (inner.clientHeight / 10)
outer.style.height = Math.round(size) + "px";
if (inner.clientHeight <= outer.clientHeight) {
clearInterval(id);
var id2 = setInterval(function() {
outer.style.color = "rgb(" + rgb + "," + rgb + "," + rgb + ")";
if (rgb < 25) {
clearInterval(id2)
comic.addEventListener("click", animListenerOut)
}
rgb = rgb - 25;
}, 20)
}
}, 20)
}
function animateOut(outer, inner, comic, animListener){
var size = outer.clientHeight;
var rgb = 0;
comic.removeEventListener("click", animListener);
function animListenerIn() {
animateIn(outer, inner, comic, animListenerIn);
}
var id = setInterval(function() {
outer.style.color = "rgb(" + rgb + "," + rgb + "," + rgb + ")";
if (rgb > 230) {
clearInterval(id);
var id2 = setInterval(function() {
size = size - (inner.clientHeight / 10)
outer.style.height = Math.round(size) + "px";
if (0 >= outer.clientHeight) {
clearInterval(id2)
comic.addEventListener("click", animListenerIn)
}
}, 20)
}
rgb = rgb + 25;
}, 20)
}
main();