love2d-forum-hide-users.user.js

// ==UserScript==
// @include      *love2d.org/forums/viewtopic.php*
// ==/UserScript==

(function() {
	var users = []; // the users to hide automatically

	function getElementsByTagAndClass(tag, cls) {
		var tags = document.getElementsByTagName(tag);
		var ret = [];
		for (i = 0; i < tags.length; ++i) {
			if (tags[i].className.indexOf(cls) > -1)
				ret.push(tags[i]);
		}
		return ret;
	}

	function hider(body, profile, link, author) {
		return function() {
			body.style.display = "none";
			profile.style.display = "none";
			link.onclick = shower(body, profile, link, author);
			link.innerHTML = "show post ("+author+")";
			return false;
		}
	}

	function shower(body, profile, link, author) {
		return function() {
			body.style.display = "block";
			profile.style.display = "block";
			link.onclick = hider(body, profile, link, author);
			link.innerHTML = "hide post";
			return false;
		}
	}

	var posts = getElementsByTagAndClass("div", "post ");
	for (i = 0; i < posts.length; ++i) {
		var inner = posts[i].childNodes[1];
		var postbody = inner.childNodes[2];
		var profile = inner.childNodes[4];
		var author = postbody.childNodes[5].childNodes[2].firstChild.innerHTML;

		if (users.indexOf(author) > -1) {
			var link = document.createElement("a");
			var hide = hider(postbody, profile, link, author);
			var show = shower(postbody, profile, link, author);
			hide();

			link.onclick = show;
			link.style.display = "block";
			link.style.cssFloat = "right";
			link.style.fontSize = "9pt";
			link.style.fontWeight = "bold";

			inner.insertBefore(link, profile);
		}
	}
})();