Hide Signatures for Certain Users [XenForo]

Like it says on the tin. This script allows the user to hide the signatures of specific users.

Від 13.05.2014. Дивіться остання версія.

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.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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	Hide Signatures for Certain Users [XenForo]
// @namespace	Makaze
// @include	*
// @grant	none
// @version	2.1.1
// @description Like it says on the tin. This script allows the user to hide the signatures of specific users.
// ==/UserScript==

var toggleSigBlockState = function() {
	var opts = (localStorage.getItem('MakazeScriptOptions')) ? JSON.parse(localStorage.getItem('MakazeScriptOptions')) : {}, 
	users = (opts.hasOwnProperty('xf_hidden_sigs')) ? opts.xf_hidden_sigs : [],
	userID = this.getAttribute('data-userid'),
	context,
	postAuthor,
	signature,
	isBlocked = false,
	i = 0;

	for (i = 0; i < users.length; i++) {
		if (userID === users[i]) {
			users.splice(i, 1);
			opts.xf_hidden_sigs = users;
			localStorage.setItem('MakazeScriptOptions', JSON.stringify(opts));
			isBlocked = true;
			break;
		}
	}

	if (!isBlocked) {
		users.push(userID);
		opts.xf_hidden_sigs = users;
		localStorage.setItem('MakazeScriptOptions', JSON.stringify(opts));
	}

	for (i = 0; i < document.getElementsByClassName('messageUserInfo').length; i++) {
		context = document.getElementsByClassName('messageUserInfo')[i];
		postAuthor = context.getElementsByClassName('username')[0].href.replace(/.*?members\/.*?\.(.*?)\//gi, '$1');
		signature = context.parentNode.getElementsByClassName('signature')[0];

		if (postAuthor === userID) {
			if (isBlocked) {
				signature.style.display = 'block';
				context.getElementsByClassName('blockSigContainer')[0].getElementsByTagName('a')[0].childNodes[0].nodeValue = 'Block Signature';
			} else {
				signature.style.display = 'none';
				context.getElementsByClassName('blockSigContainer')[0].getElementsByTagName('a')[0].childNodes[0].nodeValue = 'Unblock Signature';
			}
		}
	}
};

if (document.documentElement.id === 'XenForo') {
	if (document.getElementsByClassName('signature').length && document.getElementsByClassName('messageUserInfo').length) {
		var opts = (localStorage.getItem('MakazeScriptOptions')) ? JSON.parse(localStorage.getItem('MakazeScriptOptions')) : {}, 
		users = (opts.hasOwnProperty('xf_hidden_sigs')) ? opts.xf_hidden_sigs : [],
		context,
		userID,
		appendLocation,
		signature,
		sigBlockContainer,
		sigBlockLink,
		sigBlockLinkText,
		i = 0,
		j = 0;

		for (i = 0; i < document.getElementsByClassName('messageUserInfo').length; i++) {
			context = document.getElementsByClassName('messageUserInfo')[i];
			if (context.getElementsByClassName('username')[0] != null) {
				userID = context.getElementsByClassName('username')[0].href.replace(/.*?members\/.*?\.(.*?)\//gi, '$1');
				appendLocation = context.getElementsByClassName('extraUserInfo')[0];
				signature = context.parentNode.getElementsByClassName('signature')[0];

				sigBlockContainer = document.createElement('div');
				sigBlockLink = document.createElement('a');

				sigBlockLink.href = 'javascript:void(0)';
				sigBlockLink.setAttribute('data-userid', userID);
				sigBlockLink.onclick = toggleSigBlockState;

				if (users.length) {
					for (j = 0; j < users.length; j++) {
						if (userID === users[j]) {
							signature.style.display = 'none';
							sigBlockLinkText = document.createTextNode('Unlock Signature');
						} else {
							sigBlockLinkText = document.createTextNode('Block Signature');
						}
					}
				} else {
					sigBlockLinkText = document.createTextNode('Block Signature');
				}

				sigBlockContainer.className = 'blockSigContainer';
				sigBlockContainer.style.marginTop = '1em';

				sigBlockLink.appendChild(sigBlockLinkText);
				sigBlockContainer.appendChild(sigBlockLink);
				appendLocation.appendChild(sigBlockContainer);
			}
		}
	}
}