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shirlston/userscript.js

Created February 12, 2016 22:17
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Mefiquote for modern theme
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userscript.js
// ==UserScript==
// @name Mefiquote (updated for redesign)
// @namespace http://plutor.org/
// @description Adds "quote" links to Metafilter comments. Updated for the 2014 redesign.
// @include http://metafilter.com/*
// @include http://*.metafilter.com/*
// @include https://metafilter.com/*
// @include https://*.metafilter.com/*
// @version 0.0.1.20141102043946
// ==/UserScript==
//
// DONE 2011-02-23
// * Use MeFi's own jquery object (properly this time)
// * Use a content scope injector instead of unsafeWindow
// * Handle new ajax comments - big thanks to pb
//
// TODO
// * Indicate when "quote" will quote the selection
// * Make it work with epiphany and opera
// * Ability to link to the original post on preview
// Content Scope
var script = document.createElement('script');
script.appendChild(document.createTextNode('('+ everything.toString() +')();'));
script.setAttribute("type", "application/javascript");
(document.body || document.head || document.documentElement).appendChild(script);
/* ======================================================================== */
function everything() {
var BUTTONTEXT = 'quote';
var QUOTEFORMAT = '<a href="%l">%n</a>: "<i>%q</i>"';
/* ======================================================================== */
function mq_quotethis(evt) {
var commenttextarea = $("#comment");
if (commenttextarea.length < 1) return;
var quotelink = $(this);
var metadata = quotelink.parent();
var comment = metadata.parent();
// Get all of the data to fill in placeholders
var quotebits = new Object;
quotebits['%'] = '%';
if (mq_selection_within_comment(comment)) {
quotebits.q = document.getSelection().toString();
} else {
quotebits.q = new String(comment.html());
quotebits.q = quotebits.q.replace(/<br>/ig, '');
// Remove the trailing metadata
if (quotebits.q.lastIndexOf('<span class="smallcopy">posted by') > -1)
quotebits.q = quotebits.q.slice(0,
quotebits.q.lastIndexOf('<span class="smallcopy">posted by'));
// Remove the player from music
if (quotebits.q.lastIndexOf('<object ') > -1)
quotebits.q = quotebits.q.slice(0,
quotebits.q.lastIndexOf('<object '));
// Remove the more inside junk
quotebits.q = quotebits.q.replace(/<\/?div[^>]*>/g, '');
quotebits.q = quotebits.q.replace(/^[ \t\n]*/, '');
quotebits.q = quotebits.q.replace(/[ \t\n]*$/, '');
}
// Default to top of the thread, just in case
quotebits.l = "" + location.protocol + "//" + location.host + location.pathname;
// The rest of the data
metadata.children('a').each( function(i) {
var url = $(this).attr('href');
var path = url.replace(/https?:\/\/([^\/]*\.)?metafilter.com/, '');
if (url == path && path.match('^/'))
url = "" + location.protocol + "//" + location.host + path;
if (path.match(/^\/user\/(\d+)/)) {
quotebits.i = RegExp.$1;
quotebits.n = $(this).html();
quotebits.n = quotebits.n.replace(/<.*/, '');
quotebits.p = url;
} else if (path.match(/#\d+$/)) {
quotebits.l = url;
}
} );
// Replace all of the placeholders
var quoteregex = new RegExp('%(.)', 'g');
var quotehtml = new String();
var lastIndex = 0;
while ( quoteregex.exec(QUOTEFORMAT) ) {
var thisIndex = quoteregex.lastIndex;
quotehtml = quotehtml.concat( QUOTEFORMAT.substr(lastIndex, thisIndex-lastIndex-2) );
var val = quotebits[QUOTEFORMAT.substr(thisIndex-1, 1)];
if (val != undefined) {
quotehtml = quotehtml.concat( quotebits[QUOTEFORMAT.substr(thisIndex-1, 1)] );
} else {
quotehtml = quotehtml.concat( '%' + QUOTEFORMAT.substr(thisIndex-1, 1) );
}
lastIndex = thisIndex;
}
quotehtml = quotehtml.concat( QUOTEFORMAT.substr(lastIndex) );
// GM_log( quotehtml );
var commentval = commenttextarea.val() || "";
if (commentval != "" && !commentval.match(/\n\n$/)) {
commentval += "\n\n";
}
commentval += quotehtml + "\n\n";
commenttextarea.val(commentval);
}
/* ======================================================================== */
function mq_load_preferences() {
BUTTONTEXT = Cookie.get('mefiquote_buttontext') || BUTTONTEXT;
QUOTEFORMAT = Cookie.get('mefiquote_quoteformat') || QUOTEFORMAT;
}
function mq_save_preferences() {
var buttontext_el = $('#mq_buttontext');
var quoteformat_el = $('#mq_quoteformat');
Cookie.set('mefiquote_buttontext', (buttontext_el.val() || BUTTONTEXT),
24*365*10, '', 'metafilter.com', false);
Cookie.set('mefiquote_quoteformat', (quoteformat_el.val() || QUOTEFORMAT),
24*365*10, '', 'metafilter.com', false);
return true; /* So it actually submits, too */
}
/* ======================================================================== */
function mq_escape(str) {
return str.replace(/"/g, '&quot;');
}
/* ======================================================================== */
function mq_selection_within_comment(comment) {
var selection = window.getSelection();
// an empty selection doesn't count as being within the comment, otherwise
// the quote button tries to quote it and things behave counterintuitively
if (selection == null || selection.isCollapsed) {
return false;
}
// check to see if the selection is inside this comment
var rangeStart = selection.getRangeAt(0).startContainer;
var rangeEnd = selection.getRangeAt(0).endContainer;
if (rangeStart != null && rangeEnd != null) {
var start_found = false;
var end_found = false;
// TODO - Why doesn't parents().index() do the right thing?
$(rangeStart).parents().andSelf().each( function() {
if (this == comment.get(0)) start_found = true;
});
$(rangeEnd).parents().andSelf().each( function() {
if (this == comment.get(0)) end_found = true;
});
return (start_found && end_found);
}
return false;
}
/* ======================================================================== */
function mq_init_preferences() {
var inputs = $('input');
var submit_button = $('input[type=submit]').filter( function() {
return $(this).val().match(/Save your Preferences/);
} );
if (inputs.length < 1 || submit_button.length < 1) return;
// Create the fieldset
var mefiquote_fieldset = $('<fieldset>'
+ '<legend>MefiQuote preferences</legend>'
+ '<label for="mq_buttontext">Quote button text: </label>'
+ '<input type="text" id="mq_buttontext" name="mq_buttontext" value="'
+ mq_escape(BUTTONTEXT)
+ '" maxlength="200" size="30" onfocus="this.style.background=\'#ddd\';" onblur="this.style.background=\'#ccc\';" /><br />'
+ '<label for="mq_quoteformat">Quote format:<br />'
+ '<span class="smallcopy" style="text-align: left">%i - commenter\'s user id<br />%l - url of comment<br />%n - commenter\'s name<br />%p - url of commenter\'s profile<br />%q - comment text<br />%% - an actual percent ("%")</span></label>'
+ '<textarea name="mq_quoteformat" id="mq_quoteformat" cols="60" rows="8" wrap="VIRTUAL" style="width:400px;height:200px;" onfocus="this.style.background=\'#ddd\';" onblur="this.style.background=\'#ccc\';">'
+ mq_escape(QUOTEFORMAT)
+ '</textarea>'
+ '</fieldset>')
.insertBefore(submit_button);
// Add javascript to the form
submit_button.parents('form').submit( mq_save_preferences );
}
function mq_init_thread() {
console.log("init-thread");
var commenttextarea = $("#comment");
if (commenttextarea.length < 1) return;
var n = 0;
$('span').each( function(i) {
var curr = $(this);
if (curr.hasClass('smallcopy') && curr.html().match(/^posted by/) &&
curr.parents('#prevDiv2, form').length == 0 &&
curr.find('.quotebutton').length == 0) {
// Skip the first (post) quote link on preview
if (location.pathname.match('^/contribute/post_comment_preview.mefi') && n++ == 0)
return;
// Add the button
var quotebutton = $('<a href="#comment">' + BUTTONTEXT + '</a>')
.attr('target', '_self')
.addClass('quotebutton');
curr.append(' [').append( quotebutton ).append(']');
}
} );
}
function mq_init_newcomments() {
$("#newcomments").bind('mefi-comments',
function() {
console.log("event!");
mq_init_thread();
} );
console.log("init-newcomments");
}
/**
* Modified from cookie-js 0.4 by Maxime Haineault (max@centdessin.com)
* <http://code.google.com/p/cookie-js/>
*/
Cookie = {
/** Get a cookie's value */
get: function(key) {
// Still not sure that "[a-zA-Z0-9.()=|%/_]+($|;)" match *all* allowed characters in cookies
tmp = document.cookie.match((new RegExp(key +'=[a-zA-Z0-9.()=|%/_]+($|;)','g')));
if(!tmp || !tmp[0]) return null;
else return unescape(tmp[0].substring(key.length+1,tmp[0].length).replace(';','')) || null;
},
/** Set a cookie */
set: function(key, value, ttl, path, domain, secure) {
cookie = [key+'='+ escape(value),
'path='+ ((!path || path=='') ? '/' : path),
'domain='+ ((!domain || domain=='')? window.location.host : domain)];
if (ttl) cookie.push('expires=' + Cookie.hoursToExpireDate(ttl));
if (secure) cookie.push('secure');
return document.cookie = cookie.join('; ');
},
/** Unset a cookie */
unset: function(key, path, domain) {
path = (!path || typeof path != 'string') ? '' : path;
domain = (!domain || typeof domain != 'string') ? '' : domain;
if (Cookie.get(key)) Cookie.set(key, '', 'Thu, 01-Jan-70 00:00:01 GMT', path, domain);
},
/** Return GTM date string of "now" + time to live */
hoursToExpireDate: function(ttl) {
if (parseInt(ttl) == 'NaN' ) return '';
else {
now = new Date();
now.setTime(now.getTime() + (parseInt(ttl) * 60 * 60 * 1000));
return now.toGMTString();
}
}
}
function mq_init() {
mq_load_preferences();
var url = location.pathname;
if (url.match(/^\/(\d+)/) || url.match('^/contribute/post_comment_preview.mefi')) {
mq_init_thread();
mq_init_newcomments();
// Attach a listener to clicks -- just once
$(".content").on("click", "a.quotebutton", mq_quotethis);
} else if (url.match('^/contribute/customize.cfm')) {
mq_init_preferences();
}
}
mq_init();
}
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