There are 15 previous versions of this script.
// ==UserScript==
// @name Reddit Filter Plus
// @license GPL version 2 http://www.gnu.org/licenses/gpl-2.0.html
// @description Hide or highlight links by user, title, url or subreddit. Preferences are found on the regular reddit preferences page. Highlight colors may be entered as HTML colors (#123456) or with simple names.
// @include https://ssl.reddit.com/prefs/
// @include http://www.reddit.com/prefs/
// @include http://www.reddit.com/*
// @exclude http://www.reddit.com/user/*
// @exclude http://www.reddit.com/info/*
// @exclude http://www.reddit.com/r/*/comments/*
// ==/UserScript==
var hidden_headlines = [];
if (typeof GM_log === "undefined") {
GM_log = function (msg) {};
}
if (typeof GM_setValue === "undefined") {
GM_setValue = function (name, value) {
var expdate = new Date();
expdate.setTime(expdate.getTime() + 64800000000);//~2 years
var expires = "; expires=" + expdate.toGMTString();
document.cookie = name+"="+value+expires+"; path=/";
}
}
if (typeof GM_getValue === "undefined") {
GM_getValue = function (name) {
var regex = new RegExp(';?\s*'+escape(name)+'=([^;]+)');
return document.cookie.match(regex);
}
}
rf_foreach=function(seq, callback){
for(var i=0;i<seq.length;++i){
callback(seq[i]);
}
}
rf_loadFilters = function() {
var json = GM_getValue('rf_filters');
GM_log('Loading filters: ' + json);
var filters = eval('(' + json + ')');
return filters ? filters : [];
}
rf_saveFilters = function(filters) {
var json = '[';// convert to JSON
for (var i = 0; i < filters.length; ++i) {
var filter = filters[i];
if (i > 0) {
json += ', ';
}
json +=
'{ ' +
"'titles' : '" + filter.titles + "', " +
"'urls' : '" + filter.urls + "'," +
"'users' : '" + filter.users + "'," +
"'subreddits' : '" + filter.subreddits + "', " +
"'highlight' : " + filter.highlight + ", " +
"'color' : '" + filter.color + "'" +
' }';
}
json += ']';
GM_log('Saving filters: ' + json);
GM_setValue('rf_filters', json);
}
rf_buildPatterns = function(filters) {
var patternTable = [];
for (var i = 0; i < filters.length; ++i) {
var filter = filters[i];
var filterPatterns = { 'user' : [], 'subreddit' : [], 'url' : [], 'title' : [], 'highlight' : false, 'color' : 'yellow' };
if (filter.titles) {
// add title matches
rf_foreach(filter.titles.split(/\s*,\s*/),function(pattern){
filterPatterns.title.push(new RegExp(pattern, 'i'));
});
}
if (filter.urls) {
// add url matches
rf_foreach(filter.urls.split(/\s*,\s*/),function(pattern){
filterPatterns.url.push(new RegExp(pattern, 'i'));
});
}
if (filter.users) {
// add user patterns
rf_foreach(filter.users.split(/\s*,\s*/),function(pattern){
filterPatterns.user.push('http://www.reddit.com/user/' + pattern.toLowerCase() + '/');
});
}
if (filter.subreddits) {
// add subreddit patterns
rf_foreach(filter.subreddits.split(/\s*,\s*/),function(pattern){
filterPatterns.subreddit.push('http://www.reddit.com/r/' + pattern.toLowerCase() + '/');
});
}
filterPatterns.highlight = filter.highlight;
filterPatterns.color = filter.color;
patternTable.push(filterPatterns);
}
return patternTable;
}
rf_highlight = function(elem, color)
{
elem.style.backgroundColor = color;
}
rf_hide = function(elem)
{
elem.style.display = 'none';
hidden_headlines.push(elem);
}
rf_doFilter = function()
{
var filters = rf_buildPatterns(rf_loadFilters());
var divs = document.getElementsByTagName('div');
for (var i = 0; i < divs.length; ++i) {
var div = divs[i];
if (!(/thing/.test(div.className))) continue;
var match = false;
var links = div.getElementsByTagName('a');
for (var j = 0; !match && j < links.length; ++j) {
var link = links[j];
for (var k = 0; k < filters.length; ++k) {
var filter = filters[k];
if (/^title/.test(link.className)) {
// title match
for (var l = 0; !match && l < filter.title.length; ++l) {
var pattern = filter.title[l];
if (pattern.test(link.innerHTML)) {
match = true;
break;
}
}// [end]for each title
// url match
for (var l = 0; !match && l < filter.url.length; ++l) {
var pattern = filter.url[l];
if (pattern.test(link.href)) {
match = true;
break;
}
}// [end]for each url
} else if (/\/domain\//.test(link.href)) {
// domain match
for (var l = 0; !match && l < filter.url.length; ++l) {
var pattern = filter.url[l];
if (pattern.test(link.href)) {
match = true;
break;
}
}// [end]for each url
} else if (link.className == 'author') {
// user match
for (var l = 0; !match && l < filter.user.length; ++l) {
var pattern = filter.user[l];
if (pattern == link.href.toLowerCase()) {
match = true;
break;
}
}// [end]for each user
} else if (/^subreddit/.test(link.className)) {
// subreddit match
for (var l = 0; !match && l < filter.subreddit.length; ++l) {
var pattern = filter.subreddit[l];
if (pattern == link.href.toLowerCase()) {
match = true;
break;
}
}// [end]for each subreddit
}
if (match) {
rf_highlight(div, filter.color);
if (!filter.highlight) {
rf_hide(div);
}
break;
}
}// [end]for each filter
}// [end]for each link
}// [end]for each div
rf_report(hidden_headlines.length);
}
rf_reSerialize = function() {
var filters = [];
var container = document.getElementById('rf_filters');
for (var i = 0; i < container.childNodes.length; ++i) {
var node = container.childNodes[i];
var filter = {'titles' : '', 'urls' : '', 'users' : '', 'subreddits' : '', 'highlight' : false, 'color' : 'yellow'};
var subnodes = node.getElementsByTagName('input');
for (var j = 0; j < subnodes.length; ++j) {
var input = subnodes[j];
if (input.type == 'text' && input.value) {
if (input.className == 'rf_titles') {
filter.titles = input.value;
} else if (input.className == 'rf_urls') {
filter.urls = input.value;
} else if (input.className == 'rf_users') {
filter.users = input.value;
} else if (input.className == 'rf_subreddits') {
filter.subreddits = input.value;
} else if (input.className == 'rf_color') {
filter.color = input.value;
}
} else if (input.type == 'checkbox') {
filter.highlight = input.checked;
}
}
filters.push(filter);
}
return filters;
}
rf_deSerialize = function(filters) {
for (var i = 0; i < filters.length; ++i) {
var filter = filters[i];
rf_prefsAddFilter(filter.titles, filter.urls, filter.users, filter.subreddits, filter.highlight, filter.color);
}
}
rf_doPrefs = function() {
var newForm = document.createElement('form');
newForm.className = 'pretty-form';
newForm.innerHTML = '<hr><h1>Reddit Filter Plus</h1><div id="rf_filters"></div><hr><input id="rf_addfilter" type="button" class="btn" value="add filter" /><input id="rf_savefilters" type="button" class="btn" value="save filters" /><span id="rf_savestatus" style="display: none">saved</span><br><a href="http://www.reddit.com/">return to main</a>';
// append the filter preferences in an appropriate spot
var forms = document.getElementsByTagName('form');
for (var i = 0; i < forms.length; ++i) {
var form = forms[i];
if (form.className == 'pretty-form short-text') {
form.parentNode.insertBefore(newForm, form.nextSibling);
}
}
document.getElementById('rf_addfilter').addEventListener('click', function() {rf_prefsAddFilter('', '', '', '', true, 'yellow');}, false);
document.getElementById('rf_savefilters').addEventListener('click', function() {
rf_saveFilters(rf_reSerialize());
window.setTimeout(function() {
document.getElementById('rf_savestatus').style.display = 'none';
}, 4000);
document.getElementById('rf_savestatus').style.display = '';
document.getElementById('rf_savestatus').innerHTML = 'saved';}, false);
rf_deSerialize(rf_loadFilters());
}
rf_prefsAddFilter = function(titles, urls, users, subreddits, highlight, color) {
var container = document.getElementById('rf_filters');
var newFilter = document.createElement('div');
var removeButton = document.createElement('input');
newFilter.style.border = '1px solid black';
newFilter.innerHTML = '<table class="content preftable">' +
'<tr><th>title filters</th><td class="prefright"><input class="rf_titles" type="text" value="' + (titles ? titles : '') + '" /></td></tr>' +
'<tr><th>url filters</th><td class="prefright"><input class="rf_urls" type="text" value="' + (urls ? urls : '') + '" /></td></tr>' +
'<tr><th>user filters</th><td class="prefright"><input class="rf_users" type="text" value="' + (users ? users : '') + '" /></td></tr>' +
'<tr><th>subreddit filters</th><td class="prefright"><input class="rf_subreddits" type="text" value="' + (subreddits ? subreddits : '') + '" /></td></tr>' +
'<tr><th>highlight</th><td class="prefright"><input type="checkbox" "class="rf_highlight" ' + (highlight ? 'checked ' : '' ) +' /> (if unchecked, anything matching this filter will be hidden)</td></tr>' +
'<tr><th>highlight color</th><td class="prefright"><input class="rf_color" type="text" value="' + (color ? color : '') + '" /></td></tr>' +
'</table>';
removeButton.type = 'button';
removeButton.class = 'btn';
removeButton.value = 'remove this filter';
removeButton.addEventListener('click', function() {container.removeChild(newFilter);}, false);
newFilter.appendChild(removeButton);
container.appendChild(newFilter);
}
rf_unhide = function() {
for (var i = 0; i < hidden_headlines.length; ++i) {
hidden_headlines[i].style.display = '';
}
document.getElementById('rf_report').style.display = 'none';
}
rf_report = function(num) {
var msg = num + ' headlines filtered';
GM_log(msg);
if (num > 0) {
var div = document.createElement('div');
div.innerHTML = '<p id="rf_report"><i>' + msg + ': <a id="rf_unhide" onClick="rf_unhide()">[unhide]</a><i></p>';
var siteTable = document.getElementById('siteTable');
if (typeof(siteTable) == "undefined") siteTable = document.getElementById('siteTable_organic');
if (!siteTable) return;
siteTable.parentNode.insertBefore(div, siteTable.nextSibling);
document.getElementById('rf_unhide').addEventListener('click', rf_unhide, false);
}
}
// do stuff
if (/\/prefs\//.test(window.location.href)) {
rf_doPrefs();
} else {
rf_doFilter();
}
