// diediedead.user.js
//
// Written by: Michael Devore
// Released to the public domain
//
// This is a Greasemonkey script.
// See http://www.greasespot.net/ for more information on Greasemonkey.
//
// ==UserScript==
// @name diediedead
// @namespace http://www.devoresoftware.com/gm/dddead
// @description killfile script, re-rebooted
// @match https://*.metafilter.com/*
// @match http://*.metafilter.com/*
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// @grant GM_setValue
// @grant GM_getValue
// @run-at document-start
// @version 3.4
// ==/UserScript==
//
"use strict";
GM_addStyle('body{display:none;}');
GM_addStyle('#div_configureBox{\
position: fixed;\
left: 50%;\
margin-left: -11em;\
// top: 5px;\
bottom: 5px;\
color: black;\
background-color: white;\
border: 2px green solid;\
padding: 2px;\
opacity: 0.95;\
}');
GM_addStyle('.textarea_configureBox{\
width: 20em;\
height: 5.34em;\
margin-left: 5px;\
margin-right: 5px;\
border: 2px black solid;\
color: black;\
background-color: white;\
white-space: pre;\
word-wrap: normal;\
overflow-x: scroll;\
}');
GM_addStyle('.header_configureBox{\
text-align: center;\
}');
GM_addStyle('.button_configureBox{\
display:block;\
margin: 0 auto;\
}');
var filterActionEnum =
{
NONE: "none",
POSTSANDCOMMENTS: "postsandcomments",
POSTSONLY: "postsonly",
COMMENTSONLY: "commentsonly"
};
Object.freeze(filterActionEnum);
var filterAction = filterActionEnum.POSTSANDCOMMENTS;
var noActiveSelectionText = "<no active selection>";
var showAllContextText = "Show all content";
var filterPostsAndComments = "Filter posts & comments";
var filterPostsOnly = "Filter posts only";
var filterCommentsOnly = "Filter comments only";
var configureFilters = "Configure filters";
var filterForUser = "Filter for user ";
var filterForText = "Filter for text ";
var filterForSite = "Filter for site ";
var noneText = "none";
var blockText = "block";
var userFilters = new Array();
var textFilters = new Array();
var siteFilters = new Array();
function onLoaded()
{
buildContextMenu();
buildConfigureBox();
loadConfiguration();
performFiltering();
GM_addStyle('body{display:block;}');
}
function contextClick(e)
{
var menuitem = e.target;
var label = menuitem.label;
if (label == configureFilters)
{
showConfigure();
return;
}
var reload = false;
if (label == showAllContextText)
{
filterAction = filterActionEnum.NONE;
GM_setValue("filterAction", showAllContextText);
var menuitem = $("#show_all_content");
menuitem.checked = true;
reload = true;
}
else if (label == filterPostsAndComments)
{
filterAction = filterActionEnum.POSTSANDCOMMENTS;
GM_setValue("filterAction", filterPostsAndComments);
menuitem = $("#filter_posts_and_comments");
menuitem.checked = true;
reload = true;
}
else if (label == filterPostsOnly)
{
filterAction = filterActionEnum.POSTSONLY;
GM_setValue("filterAction", filterPostsOnly);
menuitem = $("#filter_posts_only");
menuitem.checked = true;
reload = true;
}
else if (label == filterCommentsOnly)
{
filterAction = filterActionEnum.COMMENTSONLY;
GM_setValue("filterAction", filterCommentsOnly);
menuitem = $("#filter_comments_only");
menuitem.checked = true;
reload = true;
}
if (!reload)
{
var workString = label.slice(0, filterForUser.length);
if (workString == filterForUser)
{
workString = label.slice(filterForUser.length)
addUserToFilter(workString);
var tempString = GM_getValue("filteredUsers", "");
if (tempString.length > 0)
{
tempString += ",";
}
workString.trim();
tempString += encodeURIComponent(workString);
GM_setValue("filteredUsers", tempString);
reload = true;
}
}
if (!reload)
{
workString = label.slice(0, filterForText.length);
if (workString == filterForText)
{
workString = label.slice(filterForText.length)
addTextToFilter(workString);
var tempString = GM_getValue("filteredText", "");
if (tempString.length > 0)
{
tempString += ",";
}
workString.trim();
tempString += encodeURIComponent(workString);
GM_setValue("filteredText", tempString);
reload = true;
}
}
if (!reload)
{
workString = label.slice(0, filterForSite.length);
if (workString == filterForSite)
{
workString = label.slice(filterForSite.length)
addSiteToFilter(workString);
var tempString = GM_getValue("filteredSites", "");
if (tempString.length > 0)
{
tempString += ",";
}
workString.trim();
tempString += encodeURIComponent(workString);
GM_setValue("filteredSites", tempString);
reload = true;
}
}
if (reload)
{
location.reload();
return;
}
}
function addUserToFilter(user)
{
userFilters.push(user);
}
function addTextToFilter(text)
{
textFilters.push(text);
}
function addSiteToFilter(site)
{
siteFilters.push(site);
}
function loadConfiguration()
{
var workString = GM_getValue("filteredUsers", "");
if (workString.length > 0)
{
var workArray = workString.split(',');
userFilters = [];
for (var loop = 0; loop < workArray.length; loop++)
{
userFilters.push(decodeURIComponent(workArray[loop]));
}
var userFiltersString = userFilters.join("\n");
var textArea = $("#userTextArea");
textArea.value = userFiltersString;
}
workString = GM_getValue("filteredText", "");
if (workString.length > 0)
{
var workArray = workString.split(',');
textFilters = [];
for (var loop = 0; loop < workArray.length; loop++)
{
textFilters.push(decodeURIComponent(workArray[loop]));
}
var textFiltersString = textFilters.join("\n");
var textArea = $("#contentTextArea");
textArea.value = textFiltersString;
}
workString = GM_getValue("filteredSites", "");
if (workString.length > 0)
{
var workArray = workString.split(',');
siteFilters = [];
for (var loop = 0; loop < workArray.length; loop++)
{
siteFilters.push(decodeURIComponent(workArray[loop]));
}
var siteFiltersString = siteFilters.join("\n");
var textArea = $("#siteTextArea");
textArea.value = siteFiltersString;
}
var menuitem = $("#show_all_content");
menuitem.checked = false;
menuitem = $("#filter_posts_only");
menuitem.checked = false;
menuitem = $("#filter_comments_only");
menuitem.checked = false;
menuitem = $("#filter_posts_and_comments");
menuitem.checked = false;
workString = GM_getValue("filterAction", filterPostsAndComments);
if (workString == showAllContextText)
{
menuitem = $("#show_all_content");
menuitem.checked = true;
filterAction = filterActionEnum.NONE;
}
else if (workString == filterPostsOnly)
{
menuitem = $("#filter_posts_only");
menuitem.checked = true;
filterAction = filterActionEnum.POSTSONLY;
}
else if (workString == filterCommentsOnly)
{
menuitem = $("#filter_comments_only");
menuitem.checked = true;
filterAction = filterActionEnum.COMMENTSONLY;
}
else
{
menuitem = $("#filter_posts_and_comments");
menuitem.checked = true;
filterAction = filterActionEnum.POSTSANDCOMMENTS;
}
var radio = $("#radio_ShowAll");
if (filterAction == filterActionEnum.NONE)
{
radio.checked = true;
}
else
{
radio.checked = false;
}
radio = $("#radio_CommentsAndPosts");
if (filterAction == filterActionEnum.POSTSANDCOMMENTS)
{
radio.checked = true;
}
else
{
radio.checked = false;
}
radio = $("#radio_PostsOnly");
if (filterAction == filterActionEnum.POSTSONLY)
{
radio.checked = true;
}
else
{
radio.checked = false;
}
radio = $("#radio_CommentsOnly");
if (filterAction == filterActionEnum.COMMENTSONLY)
{
radio.checked = true;
}
else
{
radio.checked = false;
}
}
function saveConfiguration()
{
var div = $("#div_configureBox");
div.style.display = noneText;
var textArea = $("#userTextArea");
var text;
if (!textArea || !textArea.value)
{
text = "";
}
else
{
text = textArea.value.trim();
}
var userFiltersArray = text.split("\n");
textArea = $("#contentTextArea");
if (!textArea || !textArea.value)
{
text = "";
}
else
{
text = textArea.value.trim();
}
var textFiltersArray = text.split("\n");
textArea = $("#siteTextArea");
if (!textArea || !textArea.value)
{
text = "";
}
else
{
text = textArea.value.trim();
}
var siteFiltersArray = text.split("\n");
userFilters = [];
var tempArray = [];
for (var loop = 0; loop < userFiltersArray.length; loop++)
{
userFilters.push(userFiltersArray[loop]);
tempArray.push(encodeURIComponent(userFiltersArray[loop]));
}
var tempString = tempArray.join(",");
GM_setValue("filteredUsers", tempString);
textFilters = [];
tempArray = [];
for (var loop = 0; loop < textFiltersArray.length; loop++)
{
textFilters.push(textFiltersArray[loop]);
tempArray.push(encodeURIComponent(textFiltersArray[loop]));
}
var tempString = tempArray.join(",");
GM_setValue("filteredText", tempString);
siteFilters = [];
tempArray = [];
for (var loop = 0; loop < siteFiltersArray.length; loop++)
{
siteFilters.push(siteFiltersArray[loop]);
tempArray.push(encodeURIComponent(siteFiltersArray[loop]));
}
var tempString = tempArray.join(",");
GM_setValue("filteredSites", tempString);
var menuitem1 = $("#radio_ShowAll");
var menuitem2 = $("#radio_PostsOnly");
var menuitem3 = $("#radio_CommentsOnly");
if (menuitem1.checked)
{
filterAction = filterActionEnum.NONE;
GM_setValue("filterAction", showAllContextText);
}
else if (menuitem2.checked)
{
filterAction = filterActionEnum.POSTSONLY;
GM_setValue("filterAction", filterPostsOnly);
}
else if (menuitem3.checked)
{
filterAction = filterActionEnum.COMMENTSONLY;
GM_setValue("filterAction", filterCommentsOnly);
}
else
{
filterAction = filterActionEnum.POSTSANDCOMMENTS;
GM_setValue("filterAction", filterPostsAndComments);
}
location.reload();
}
function performFiltering()
{
if (filterAction == filterActionEnum.NONE)
{
// don't filter
return;
}
if (userFilters.length < 1 && textFilters.length < 1 && siteFilters.length < 1)
{
// no filters
return;
}
// var xpath = "//DIV/SPAN[starts-with(text(),'posted by') and (@class='smallcopy' or @class='smallcopy byline')]";
var xpath = "//DIV/SPAN[starts-with(text(),'posted by') and contains(@class, 'smallcopy')]";
var postNodes = document.evaluate(
xpath,
document,
null,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,
null
);
var total = postNodes.snapshotLength;
for (var i = 0; i < total; i++)
{
// not much validation here, cuts performance overhead by avoiding extra tests against the nodes
// tighten it down later if it conflicts with other add-ons or Metafilter bling
var userSpan = postNodes.snapshotItem(i);
var copyDiv = userSpan.parentNode;
var titleDiv = copyDiv.previousSibling.previousSibling;
// music uses H1 instead of DIV, whatever
if (titleDiv.nodeName != "DIV" && titleDiv.nodeName != "H1" && titleDiv.nodeName != "H2")
{
titleDiv = null;
}
if (!titleDiv && filterAction == filterActionEnum.POSTSONLY)
{
// not a post (assumed comment), and only filtering posts
continue;
}
if (titleDiv && filterAction == filterActionEnum.COMMENTSONLY)
{
// post, and only filtering comments
continue;
}
var currentNode = userSpan.firstChild;
var found = false;
var userName;
while (currentNode && !found)
{
if (currentNode.nodeName === "A")
{
var href_value = currentNode.getAttribute('href');
if (href_value.match(/\/user\/\d/))
{
var childNode = currentNode.firstChild;
while (childNode)
{
if (childNode.nodeName === '#text')
{
userName = childNode.nodeValue;
found = true;
break;
}
childNode = childNode.nextSibling;
}
}
}
currentNode = currentNode.nextSibling;
}
if (!userName)
{
// even if we're not filtering by user name, if there isn't one associated with a post, it's not a good target
continue;
}
var postHidden = false;
// check user name, applies to posts and comments
for (var j = 0; j < userFilters.length; j++)
{
if (userName == userFilters[j])
{
postHidden = true;
break;
}
}
if (filterAction == filterActionEnum.POSTSONLY || (filterAction == filterActionEnum.POSTSANDCOMMENTS && titleDiv))
{
// we know this is a post title, not a comment, and it should be subject to filtering
// check for link
currentNode = titleDiv.firstChild;
found = false;
var link = null;
while (currentNode && !found)
{
if (currentNode.nodeName === "A")
{
link = currentNode.getAttribute('href');
found = true;
break;
}
currentNode = currentNode.nextSibling;
}
for (var j = 0; link && j < siteFilters.length; j++)
{
var sitePattern = new RegExp("^(https?://)?"+siteFilters[j]);
if (link.match(sitePattern))
{
postHidden = true;
break;
}
}
if (!postHidden)
{
// check for text
var text = titleDiv.textContent;
for (var j = 0; j < textFilters.length; j++)
{
var textPattern = new RegExp("\\b"+textFilters[j]+"\\b","i");
if (text.match(textPattern))
{
postHidden = true;
break;
}
}
}
}
if (!postHidden && (filterAction == filterActionEnum.COMMENTSONLY || filterAction == filterActionEnum.POSTSANDCOMMENTS))
{
// this is a comment or post copy and it should be subject to filtering
// check for matching links
currentNode = copyDiv.firstChild;
var link = null;
while (currentNode)
{
if (currentNode.nodeName === "A")
{
link = currentNode.getAttribute('href');
for (var j = 0; link && j < siteFilters.length; j++)
{
var sitePattern = new RegExp("^(https?://)?"+siteFilters[j]);
if (link.match(sitePattern))
{
postHidden = true;
break;
}
}
}
currentNode = currentNode.nextSibling;
}
if (!postHidden)
{
// check for text
var text = copyDiv.textContent;
for (var j = 0; j < textFilters.length; j++)
{
var textPattern = new RegExp("\\b"+textFilters[j]+"\\b","i");
if (text.match(textPattern))
{
postHidden = true;
break;
}
}
}
}
if (postHidden)
{
if (titleDiv)
{
titleDiv.style.display = noneText;
}
copyDiv.style.display = noneText;
// try and squash the trailing BR, or 2
var sibling = copyDiv.nextSibling;
while (sibling)
{
if (sibling.nodeName === 'BR')
{
// found it
sibling.style.display = noneText;
}
else if (sibling.nodeName !== '#text')
{
// apparently shot past the post/comment entry, bail
break;
}
sibling = sibling.nextSibling;
}
}
}
}
function buildContextMenu()
{
var menu = document.body.appendChild(document.createElement("menu"));
menu.outerHTML = '<menu id="userscript-context-menu" type="context">\
<menu label="diediedead!">\
<menuitem id="filter_user_or_content" label="'+noActiveSelectionText+'">\
</menuitem>\
<menuitem label="\u2014">\
</menuitem>\
<menuitem id="show_all_content" type="checkbox" label="'+showAllContextText+'">\
</menuitem>\
<menuitem id="filter_posts_and_comments" type="checkbox" label="'+filterPostsAndComments+'">\
</menuitem>\
<menuitem id="filter_posts_only" type="checkbox" label="'+filterPostsOnly+'">\
</menuitem>\
<menuitem id="filter_comments_only" type="checkbox" label="'+filterCommentsOnly+'">\
</menuitem>\
<menuitem label="\u2014">\
</menuitem>\
<menuitem id="configure_filters" label="'+configureFilters+'">\
</menuitem>\
</menu>\
</menu>';
var html = document.documentElement;
html.setAttribute("contextmenu", "userscript-context-menu");
if ("contextMenu" in html && "HTMLMenuItemElement" in window)
{
$("#userscript-context-menu menu").addEventListener("click", contextClick, false);
html.addEventListener("contextmenu", initMenu, false);
}
}
function buildConfigureBox()
{
var mainDiv = document.createElement('div');
mainDiv.id = "div_configureBox";
var userTextArea = document.createElement('textarea');
userTextArea.id = "userTextArea";
userTextArea.className = "textarea_configureBox";
var contentTextArea = document.createElement('textarea');
contentTextArea.id = "contentTextArea";
contentTextArea.className = "textarea_configureBox";
var siteTextArea = document.createElement('textarea');
siteTextArea.id = "siteTextArea";
siteTextArea.className = "textarea_configureBox";
var h2 = document.createElement('h2');
h2.className = "header_configureBox";
h2.appendChild(document.createTextNode('Configure diediedead'));
mainDiv.appendChild(h2);
mainDiv.appendChild(document.createTextNode('Filter users (one per line)'));
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(userTextArea);
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(document.createTextNode('Filter if contains text (1 entry/line)'));
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(contentTextArea);
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(document.createTextNode('Filter if contains site (1 site/line)'));
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(siteTextArea);
mainDiv.appendChild(document.createElement('br'));
var radio = document.createElement("input");
radio.id = "radio_ShowAll";
radio.type = "radio";
radio.name = "showWhich";
if (filterAction == filterActionEnum.NONE)
{
radio.checked = true;
}
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(radio);
mainDiv.appendChild(document.createTextNode(showAllContextText));
radio = document.createElement("input");
radio.id = "radio_CommentsAndPosts";
radio.type = "radio";
radio.name = "showWhich";
if (filterAction == filterActionEnum.POSTSANDCOMMENTS)
{
radio.checked = true;
}
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(radio);
mainDiv.appendChild(document.createTextNode(filterPostsAndComments));
radio = document.createElement("input");
radio.id = "radio_PostsOnly";
radio.type = "radio";
radio.name = "showWhich";
if (filterAction == filterActionEnum.POSTSONLY)
{
radio.checked = true;
}
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(radio);
mainDiv.appendChild(document.createTextNode(filterPostsOnly));
radio = document.createElement("input");
radio.id = "radio_CommentsOnly";
radio.type = "radio";
radio.name = "showWhich";
if (filterAction == filterActionEnum.COMMENTSONLY)
{
radio.checked = true;
}
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(radio);
mainDiv.appendChild(document.createTextNode(filterCommentsOnly));
mainDiv.appendChild(document.createElement('br'));
mainDiv.appendChild(document.createElement('br'));
var saveNode = document.createElement("button");
saveNode.appendChild(document.createTextNode("Save"));
saveNode.className = "button_configureBox";
saveNode.addEventListener("click", saveConfiguration, true);
mainDiv.appendChild(saveNode);
mainDiv.style.display = noneText;
document.getElementsByTagName('body')[0].appendChild(mainDiv);
}
function showConfigure()
{
loadConfiguration();
var div = $("#div_configureBox");
div.style.display = blockText;
}
function initMenu(e)
{
var menuitem = $("#show_all_content");
menuitem.checked = false;
menuitem = $("#filter_posts_and_comments");
menuitem.checked = false;
menuitem = $("#filter_posts_only");
menuitem.checked = false;
menuitem = $("#filter_comments_only");
menuitem.checked = false;
menuitem = $("#filter_user_or_content")
menuitem.label = noActiveSelectionText;
switch(filterAction)
{
case filterActionEnum.POSTSANDCOMMENTS:
menuitem = $("#filter_posts_and_comments");
menuitem.checked = true;
break;
case filterActionEnum.POSTSONLY:
menuitem = $("#filter_posts_only");
menuitem.checked = true;
break;
case filterActionEnum.COMMENTSONLY:
menuitem = $("#filter_comments_only");
menuitem.checked = true;
break;
case filterActionEnum.NONE:
default:
menuitem = $("#show_all_content");
menuitem.checked = true;
break;
}
var node = e.target;
var pNode = node;
// fanfare does a user link of //www.metafilter.com, don't ask me
if (pNode.nodeName == 'A' &&
pNode.target && pNode.target == "_self" &&
pNode.getAttribute("href").match(/^((https?:\/\/)|(\/\/))?(www.metafilter.com)?\/user\/\d+$/))
{
// right click on user link
menuitem = $("#filter_user_or_content")
menuitem.label = filterForUser + pNode.innerHTML;
return;
}
while (pNode && pNode.nodeName != "A")
{
pNode = pNode.parentNode;
}
if (pNode && pNode.hasAttribute("href"))
{
// right click on a site link
var result = pNode.getAttribute("href").match(/^(https?:\/\/)?([^\/\?]{3,})/);
if (!result || !result[2])
{
return;
}
menuitem = $("#filter_user_or_content")
menuitem.label = filterForSite + result[2];
}
else
{
// right click on text, see if selected
var text = document.getSelection().toString();
if (text)
{
text.trim();
}
if (text.length < 1)
{
return;
}
menuitem = $("#filter_user_or_content");
menuitem.label = filterForText + text;
}
return;
}
function $(aSelector, aNode)
{
return (aNode || document).querySelector(aSelector);
}
document.addEventListener('DOMContentLoaded',onLoaded,true);
GM_registerMenuCommand(configureFilters, showConfigure, "c");
