There are 9 previous versions of this script.
// ==UserScript==
// @name FriendFeedHideByKeyword
// @namespace http://www.mcalamelli.net
// @description Hide posts using keywords
// @include http*://friendfeed.com/*
// @exclude http*://friendfeed.com/filter/direct
// @version 0.7.2.2
// ==/UserScript==
// Fix Chrome bug, looks like that Chrome reloads the script (dunno why)
//if ((document.getElementById("hbkw") == null) || (window.chrome)) {
// hide posts using selected keyword
// kw: the keyword
// fresh: is this a new hide, or we're hiding using an existing keyword?
function hide(kw, fresh) {
var posts = document.getElementsByClassName("text");
var re = new RegExp(kw, "i");
var hideCount = 0;
// walking through posts to search unwanted keyword
for (var i = 0; i <= posts.length - 1; i++) {
var entry = posts[i].innerHTML;
if ((entry.search(re) != -1) && (kw != "")){
// keyword found
hideCount++;
// get the post
var hiddenEntry = posts[i].parentNode.parentNode.parentNode.parentNode;
// set a fake id
hiddenEntry.setAttribute("name", kw);
// and hide it
hiddenEntry.style.visibility="hidden";
hiddenEntry.style.display="none";
} else {
if (fresh == false) {
// keyword not found, but fresh is false, so this call came from
// a page refresh & cookie. i've to remove unmatched keyword
/* This piece of code could be useful, i'll keep commented
var ii = keywordArray.indexOf(kw);
keywordArray.splice(ii, 1);
storeKeywordsInCookie(keywordArray.join(","));
*/
}
}
}
if (hideCount != 0) {
// unwanted keyword detected, add keyword to the keyword's list
if (true == fresh) {
if (!window.chrome) {
// Firefox
document.getElementById("hbkw").innerHTML += "<p id=\"id" + kw + "\" class=\"hkw\" style=\"margin:0pt\">" + kw + " (" + hideCount + ") [<a href=\"#\" onclick=\"unhide('" + kw + "')\">Unhide</a>]</p>";
} else {
// Chrome
var hbkw = document.getElementById('kw').parentNode;
var _p = document.createElement("p");
_p.setAttribute("id", "id" + kw);
_p.setAttribute("class", "hkw");
_p.setAttribute("style", "margin:0pt");
_p.innerHTML = kw + " (" + hideCount + ") [";
var _a = document.createElement("a");
_a.setAttribute("href","#");
_a.setAttribute("onclick","unhide('" + kw +"')");
_a.innerText += "Unhide";
_p.appendChild(_a);
_p.innerHTML += "]";
hbkw.appendChild(_p);
}
} else {
// we're hiding a new post using existing keyword, we've to update hidden count
//var hiddenTmp = document.getElementById("id" + kw).innerHTML.match(/\([0-9]+\)/);
//var hiddenCount = parseInt(hiddenTmp.toString().match(/[0-9]+/));
if (document.getElementById("id" + kw) == null) {
if (!window.chrome) {
// Firefox
document.getElementById("hbkw").innerHTML += "<p id=\"id" + kw + "\" class=\"hkw\" style=\"margin:0pt\">" + kw + " (1) [<a href=\"#\" onclick=\"unhide('" + kw + "')\">Unhide</a>]</p>";
} else {
// Chrome
var hbkw = document.getElementById('kw').parentNode;
var _p = document.createElement("p");
_p.setAttribute("id", "id" + kw);
_p.setAttribute("class", "hkw");
_p.setAttribute("style", "margin:0pt");
_p.innerHTML = kw + " (1) [";
var _a = document.createElement("a");
_a.setAttribute("href","#");
_a.setAttribute("onclick","unhide('" + kw +"')");
_a.innerText += "Unhide";
_p.appendChild(_a);
_p.innerHTML += "]";
hbkw.appendChild(_p);
}
} else {
var hiddenTmp = document.getElementById("id" + kw).innerHTML.match(/\([0-9]+\)/);
var hiddenCount = parseInt(hiddenTmp.toString().match(/[0-9]+/));
document.getElementById("id" + kw).innerHTML = document.getElementById("id" + kw).innerHTML.replace(/\([0-9]+\)/, "(" + (hiddenCount + 1).toString() + ")");
}
}
// and reset text entry
document.getElementById("kw").value = "";
// place here the writing of persistent storage
window.localStorage.setItem(kw, kw);
return true;
}
return false;
}
// unhide previously hidden posts
function unhide(kw) {
// get posts affected by keyword
var hiddenElements = document.getElementsByName(kw);
// and unhide it
for (var i = 0; i < hiddenElements.length; i++) {
hiddenElements[i].style.visibility = "visible";
hiddenElements[i].style.display = "block";
//hiddenElements[i].removeAttribute("name"); // removing it not all hidden elements will be shown again
}
// remove the keyword from the list
var currentKeyword = document.getElementById("id" + kw);
currentKeyword.parentNode.removeChild(currentKeyword);
// update the array of keywords
window.localStorage.removeItem(kw);
}
// check for keywords in a new post
function checkNewPost(txt) {
if (window.chrome)
win = window;
else
win = unsafeWindow;
for (var ii = 0; ii < win.localStorage.length; ii++) {
var kw1 = window.localStorage.key(ii);
var re1 = new RegExp(kw1, "i");
if (txt.search(re1) != -1) {
console.debug("checkNewPost => FOUND");
hide(kw1, false);
break;
}
}
}
// iterate into stored keywords and try to hide annoying posts
function hidePostsFromStoredKeywords() {
if (window.chrome)
win = window;
else
win = unsafeWindow;
if (win.localStorage.length > 0) {
for (var i = 0; i < win.localStorage.length; i++) {
k = window.localStorage.key(i);
hide(window.localStorage.getItem(k), true);
}
}
}
// create the Hide box
function createHideBox() {
// Detect useful DOM elements
var FFSidebar = document.getElementById("sidebar");
var FFBox = FFSidebar.getElementsByClassName("box");
var FFBoxBody = FFBox[0].getElementsByClassName("box-body");
var FFSection = FFBoxBody[0].childNodes[1];
// Create a new section...
var hbkwSect = document.createElement("div");
// ...and set up class and ID...
hbkwSect.setAttribute("class", "section");
hbkwSect.setAttribute("id", "hbkw");
// ...and add HTML elements...
hbkwSect.innerHTML = "<input type=\"text\" id=\"kw\" size=\"11\" onkeypress=\"keyGrab(event)\">";
hbkwSect.innerHTML += " <a href=\"#\" onclick=\"hide(document.getElementById('kw').value, true)\">Hide</a>";
if (!window.chrome) {
// Firefox
hbkwSect.innerHTML += "<script language=\"Javascript\">hidePostsFromStoredKeywords();</script>";
} else {
// Chrome
var _s_hbkwSect = document.createElement("script");
_s_hbkwSect.setAttribute("type","text/javascript");
_s_hbkwSect.innerText = "hidePostsFromStoredKeywords();";
hbkwSect.appendChild(_s_hbkwSect);
}
// ...and insert into the DOM...
FFBoxBody[0].insertBefore(hbkwSect, FFSection.nextSibling);
}
// Simple keygrabber to handle Enter key
function keyGrab(e) {
var characterCode = e.keyCode ? e.keyCode : e.charCode;
switch (characterCode) {
case 13:
hide(document.getElementById('kw').value, true);
break;
default:
//nothing
}
}
// Simple keygrabber to handle "h" key
function hGrab(e) {
var characterCode = e.keyCode ? e.keyCode : e.charCode;
switch (characterCode) {
case 72:
case 104:
//hide(document.getElementById('kw').value, true);
var hl = "";
if (window.getSelection) {
hl = window.getSelection();
} else if (document.getSelection) {
hl = document.getSelection();
} else if (document.selection) {
hl = document.selection.createRange().text;
}
//alert(hl);
document.getElementById('kw').value = hl;
hide(document.getElementById('kw').value, true);
break;
default:
//nothing
}
}
// push local function into DOM
function embedInDOM(s) {
var scpt = document.createElement('script');
scpt.setAttribute("type","text/javascript");
scpt.innerHTML = s.toString().replace(/([\s\S]*?return;){2}([\s\S]*)}/,'$2');
document.body.appendChild(scpt);
}
//******************************************
// Push hide(kw) into the DOM
embedInDOM(hide);
// Push unhide(kw) into the DOM
embedInDOM(unhide);
// Push checkNewPost(txt) into the DOM
embedInDOM(checkNewPost);
// Push hidePostsFromStoredKeywords() into the DOM
embedInDOM(hidePostsFromStoredKeywords);
// Push createHideBox() into the DOM
embedInDOM(createHideBox);
// Push keyGrab() into the DOM
embedInDOM(keyGrab);
// Push hGrab() into the DOM
embedInDOM(hGrab);
// Create the Hide box
createHideBox();
// add "h" helper
document.addEventListener('onkeypress', hGrab, true);
// add a listener for DOM changes
document.addEventListener('DOMNodeInserted', function (event) {
var eventTarget = event.target;
if ((eventTarget.toString().search("Div")) && (eventTarget.nodeType != 3)) {
var targetClass = eventTarget.getAttribute("class");
if (("l_entry entry" == targetClass) || ("l_entry entry private" == targetClass)) {
// new post. ok, a rescan is needed now
checkNewPost(eventTarget.getElementsByClassName("body")[0].getElementsByClassName("ebody")[0].getElementsByClassName("title")[0].getElementsByClassName("text")[0].innerHTML);
}
}
}, false);
//}
