// LJ Thread Unfolder
// version 0.5
// 2008-03-03
// Copyright (c) 2005-2008, Tim Babych
// Homepage: http://clear.com.ua/projects/firefox/unfolder
// Released under the GPL license
// http://www.gnu.org/copyleft/gpl.html
//
// --------------------------------------------------------------------
//
// This is a Greasemonkey user script.
//
// To install, you need Greasemonkey: http://greasemonkey.mozdev.org/
// Then restart Firefox and revisit this script.
// Under Tools, there will be a new menu item to "Install User Script".
// Accept the default configuration and install.
//
// To uninstall, go to Tools/Manage User Scripts,
// select "LJ Thread Unfolder", and click Uninstall.
//
// --------------------------------------------------------------------
//
// ==UserScript==
// @name LJ Thread Unfolder
// @description Expands nested discussion threads in place
// @include http://*.livejournal.com/*
// ==/UserScript==
//================================
// INIT
//================================
GM_compat()
add_unfolders(document)
GM_addStyle(
"a.unfold_thread {color: black; text-decoration:none} "+
"a.unfold_thread:hover {color: black; text-decoration:none} "+
"a.unfold_thread img { border:none; position: relative; top: 3px;}"
)
//================================
// WORKHORSES
//================================
function add_unfolders(elem) {
get_itemid_regexp = /thread=(\d+)/
var allReplies
allReplies = document.evaluate(
"//a[contains(@href, '?thread')]",
elem,
null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,
null);
for (var i = 0; i < allReplies.snapshotLength; i++) {
thisOne = allReplies.snapshotItem(i);
if (thisOne.innerHTML == 'Parent')
continue
if (thisOne.nextSibling && thisOne.nextSibling.nextSibling && thisOne.nextSibling.nextSibling.innerHTML == 'Unfold')
continue
// the first child in td
if (thisOne.parentNode.firstChild == thisOne || // just Unfold
( thisOne.previousSibling && thisOne.previousSibling.previousSibling
&& thisOne.previousSibling.previousSibling.href ) ) { // Unfold all
t = document.createTextNode(' - ')
thisOne.parentNode.insertBefore(t, thisOne.nextSibling);
params = get_itemid_regexp.exec(thisOne.href)
a = document.createElement('a')
linktxt = document.createTextNode('Unfold')
a.href = 'javascript:void(0)'
if (thisOne.previousSibling) // 'All' mode
a.setAttribute('all', true)
a.setAttribute('thread_id', params[1])
a.setAttribute('thread_href', thisOne.href)
a.addEventListener("click", unfold_thread, false)
a.appendChild(linktxt)
t.parentNode.insertBefore(a, t.nextSibling)
}
}
}
function unfold_thread() {
this.className = 'unfold_thread'
this.style.cursor = 'default'
this.innerHTML = loader
this.blur()
elem = this
GM_xmlhttpRequest({
method: 'GET',
url: this.getAttribute('thread_href'),
onload: function(responseDetails) { parse_result(responseDetails.responseText) }
})
function parse_result(result){
var dummy = document.createElement('DIV')
dummy.style.display = 'none'
document.body.appendChild(dummy)
// the same one lives in new doc
document.getElementById('ljcmt'+elem.getAttribute('thread_id')).id += '_old'
dummy.innerHTML = result
reply = document.getElementById('ljcmt'+elem.getAttribute('thread_id')) // ajaxed content including spans
/*
// expected DOM tree:
span
table
tbody
tr (header) - optional
tr
td
img
td
content
a
span
...
*/
add_unfolders(dummy)
// get cell
td = elem
while (td.nodeName != 'TD')
td = td.parentNode
tbody = td.parentNode.parentNode
span = tbody.parentNode.parentNode
my_padding = tbody.firstChild.firstChild.firstChild.width
// add comments there
while(reply && reply.nodeName != 'HR'){
next_one = reply.nextSibling
span.parentNode.insertBefore(reply, span)
if (reply.nodeName == 'SPAN')
reply.firstChild.firstChild.firstChild.firstChild.firstChild.width += my_padding
reply = next_one
}
// remove nesting comments
next_comment = span.nextSibling.nextSibling.nextSibling
while(next_comment &&
next_comment.firstChild &&
next_comment.firstChild.firstChild &&
next_comment.firstChild.firstChild.firstChild &&
next_comment.firstChild.firstChild.firstChild.firstChild &&
next_comment.firstChild.firstChild.firstChild.firstChild.firstChild &&
(next_comment.firstChild.firstChild.firstChild.firstChild.firstChild.width > my_padding)) {
to_del = next_comment
next_comment = next_comment.nextSibling.nextSibling.nextSibling
to_del.parentNode.removeChild(to_del)
}
document.body.removeChild(dummy)
span.parentNode.removeChild(span)
}
}
//========================================
// ROUTINES
//========================================
function GM_compat() {
if ( typeof GM_xmlhttpRequest == 'undefined' )
GM_xmlhttpRequest = function(params) {
var req = new XMLHttpRequest()
req.onreadystatechange = function() {
if (req.readyState != 4) return // while not Complete
params.onload(req)
}
req.open(params.method, params.url, true)
req.send("")
}
if ( typeof GM_addStyle == 'undefined' )
GM_addStyle = function(css) {
style = document.createElement('STYLE');
style.type = 'text/css';
style.innerHTML = css;
document.body.appendChild(style);
}
}
loader = '<img src="data:image/gif;base64,R0lGODlhEAAQAMQAAP///+7u7t3d3bu7u6qqqpmZmYi'+
'IiHd3d2ZmZlVVVURERDMzMyIiIhEREQAR'+
'AAAAAP///wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACH/C05F'+
'VFNDQVBFMi4wAwEAAAAh+QQFBwAQACwAAAAAEAAQAAAFdyAkQgGJJOWoQgIjBM8jkKsoPEzgyMGs'+
'CjPDw7ADpkQBxRDmSCRetpRA6Rj4kFBkgLC4IlUGhbNQIwXOYYWCXDufzYPDMaoKGBoKb886OjAK'+
'dgZAAgQkfCwzAgsDBAUCgl8jAQkHEAVkAoA1AgczlyIDczUDA2UhACH5BAUHABAALAAAAAAPABAA'+
'AAVjICSO0IGIATkqIiMKDaGKC8Q49jPMYsE0hQdrlABCGgvT45FKiRKQhWA0mPKGPAgBcTjsspBC'+
'AoH4gl+FmXNEUEBVAYHToJAVZK/XWoQQDAgBZioHaX8igigFKYYQVlkCjiMhACH5BAUHABAALAAA'+
'AAAQAA8AAAVgICSOUGGQqIiIChMESyo6CdQGdRqUENESI8FAdFgAFwqDISYwPB4CVSMnEhSej+Fo'+
'gNhtHyfRQFmIol5owmEta/fcKITB6y4choMBmk7yGgSAEAJ8JAVDgQFmKUCCZnwhACH5BAUHABAA'+
'LAAAAAAQABAAAAViICSOYkGe4hFAiSImAwotB+si6Co2QxvjAYHIgBAqDoWCK2Bq6A40iA4yYMgg'+
'NZKwGFgVCAQZotFwwJIF4QnxaC9IsZNgLtAJDKbraJCGzPVSIgEDXVNXA0JdgH6ChoCKKCEAIfkE'+
'BQcAEAAsAAAAABAADgAABUkgJI7QcZComIjPw6bs2kINLB5uW9Bo0gyQx8LkKgVHiccKVdyRlqjF'+
'SAApOKOtR810StVeU9RAmLqOxi0qRG3LptikAVQEh4UAACH5BAUHABAALAAAAAAQABAAAAVxICSO'+
'0DCQKBQQonGIh5AGB2sYkMHIqYAIN0EDRxoQZIaC6bAoMRSiwMAwCIwCggRkwRMJWKSAomBVCc5l'+
'UiGRUBjO6FSBwWggwijBooDCdiFfIlBRAlYBZQ0PWRANaSkED1oQYHgjDA8nM3kPfCmejiEAIfkE'+
'BQcAEAAsAAAAABAAEAAABWAgJI6QIJCoOIhFwabsSbiFAotGMEMKgZoB3cBUQIgURpFgmEI0EqjA'+
'CYXwiYJBGAGBgGIDWsVicbiNEgSsGbKCIMCwA4IBCRgXt8bDACkvYQF6U1OADg8mDlaACQtwJCEA'+
'IfkEBQcAEAAsAAABABAADwAABV4gJEKCOAwiMa4Q2qIDwq4wiriBmItCCREHUsIwCgh2q8MiyEKO'+
'DK7ZbHCoqqSjWGKI1d2kRp+RAWGyHg+DQUEmKliGx4HBKECIMwG61AgssAQPKA19EAxRKz4QCVIh'+
'ACH5BAUHABAALAAAAAAQABAAAAVjICSOUBCQqHhCgiAOKyqcLVvEZOC2geGiK5NpQBAZCilgAYFM'+
'ogo/J0lgqEpHgoO2+GIMUL6p4vFojhQNg8rxWLgYBQJCASkwEKLC17hYFJtRIwwBfRAJDk4Obwsi'+
'dEkrWkkhACH5BAUHABAALAAAAQAQAA8AAAVcICSOUGAGAqmKpjis6vmuqSrUxQyPhDEEtpUOgmgY'+
'ETCCcrB4OBWwQsGHEhQatVFhB/mNAojFVsQgBhgKpSHRTRxEhGwhoRg0CCXYAkKHHPZCZRAKUERZ'+
'MAYGMCEAIfkEBQcAEAAsAAABABAADwAABV0gJI4kFJToGAilwKLCST6PUcrB8A70844CXenwILRk'+
'IoYyBRk4BQlHo3FIOQmvAEGBMpYSop/IgPBCFpCqIuEsIESHgkgoJxwQAjSzwb1DClwwgQhgAVVM'+
'IgVyKCEAIfkECQcAEAAsAAAAABAAEAAABWQgJI5kSQ6NYK7Dw6xr8hCw+ELC85hCIAq3Am0U6JUK'+
'jkHJNzIsFAqDqShQHRhY6bKqgvgGCZOSFDhAUiWCYQwJSxGHKqGAE/5EqIHBjOgyRQELCBB7EAQH'+
'fySDhGYQdDWGQyUhADs="> Loading…'
