User:Js/watchlist.js
< User:Js
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 | This user script seems to have a documentation page at User:Js/watchlist. |
var WLScript = new function(){ //wrapper object
var whenPageLoaded = +(new Date()) - 30000 //add 30 sec just in case
var namespace, content, alreadySorted, alreadyAddedUnwatch, mw, rcm0
mw = {
sort:'Sort...',
sortTitle:'Sort titles by even namespace number, then by page title',
sortDone:'Watchlist changes already sorted',
unwatchTitle:'Add (x) quick unwatch links',
unwatchDone:'Use (x) links to quickly unwatch pages',
onlynew: 'Only new',
onlynewTitle: 'Show changes since this page was loaded',
expandAll: 'Expand/hide all'
}
mw.unwatch = (window.wgAjaxWatch ? wgAjaxWatch.unwatchMsg : 'Unwatch' )
mw.watch = (window.wgAjaxWatch ? wgAjaxWatch.watchMsg : 'Watch')
this.onLoad = function() {
PngFixDisabled = true
init()
if (!namespace) return
//Sort and Unwatch links
var insert = namespace.form
addLink('javascript:WLScript.sortWatchlist()', mw.sort, mw.sortTitle)
addLink('javascript:WLScript.addUnwatchLinks()', mw.unwatch+'…', mw.unwatchTitle)
if (rcm0=document.getElementById('RCM0'))
addLink('javascript:WLScript.expandWatchlist()', '±', mw.expandAll)
//Only new link
while (insert.previousSibling && insert.nodeName != 'BR') insert=insert.previousSibling
var lnk = addLink('#', mw.onlynew, mw.onlynewTitle)
lnk.id = 'listSince'
lnk.onclick = lnk.onmousedown = onlyNewEntries // react to middle clicks too
// function adds " | <link>" just before 'insert' element
function addLink(url, text, tooltip){
var lnk = document.createElement('a')
lnk.href = url
lnk.appendChild(document.createTextNode(text))
lnk.title = tooltip || ''
insert.parentNode.insertBefore(document.createTextNode(' | '), insert)
insert.parentNode.insertBefore(lnk, insert)
return lnk
}
}
function init(){
namespace = document.getElementById('namespace')
content = document.getElementById('bodyContent') || document.body
}
this.init = init
function onlyNewEntries() {
var url = window.location.href.split('#')[0]
var days = ( +(new Date()) - whenPageLoaded)/(1000 * 3600 * 24)
if (url.match(/[?&]days=/))
this.href = url.replace(/([?&]days=)[^&]*/, '$1'+days)
else
this.href = url + (url.indexOf('?') < 0 ? '?':'&') + 'days=' + days
return true
}
this.sortWatchlist = function(){
if (alreadySorted) return alert(mw.sortDone)
var H4s = content.getElementsByTagName('h4'), dayDiv, rows, h, i, j, pgname, el, step, last
//sort all days separately
for (var h=0; h<H4s.length; h++){
//get UL or DIV immediately after H4
dayDiv = H4s[h]
while ((dayDiv=dayDiv.nextSibling) && (dayDiv.nodeName != 'DIV') && (dayDiv.nodeName != 'UL'));
//get WL rows, find their namespaces, calculate sortkeys
rows = getWatchlistRows(dayDiv)
if (!rows) return
for (i = 0; i < rows.length; i++){
pgname = getTitleFromURL(rows[i].href)
ns = getNSFromTitle(pgname)
if (ns>0) pgname = pgname.substring(getNamespace(ns).length+1) //title w/o prefix
if (ns%2) ns-- //sort talk page as if it was a base page
rows[i].sortkey = zzz(ns) + ':' + pgname //assign custom tag attribute: namespace+title
}
//sort rows array
rows.sort(function(a,b){
if (a.sortkey > b.sortkey) return 1
else if (a.sortkey < b.sortkey) return -1
else return 0
})
//sort rows in HTML
for (i=0; i<rows.length; i++){ //move rows to the dayDiv bottom
el = last = rows[i]
if (el.parentNode.nodeName == 'LI') //non-enhanced watchlist
el.parentNode.parentNode.appendChild(el.parentNode) //move to bottom
if (el.parentNode.nodeName == 'TD'){ //new enhanced WL, with tables
while ((el=el.parentNode) && el.nodeName != 'TABLE');
if (!el) continue
do{ //move table bottom, also taking next (hidden) DIV
step = el.nextSibling; el.parentNode.appendChild(el); el = step
}while (el && el.nodeName != 'TABLE')
}else{ //old enhanced WL, in case new is reverted
//find last row element , which is usually BR
while ((last=last.nextSibling) && last.nodeName!='BR');
if (!last) continue //just in case, this should not happen
//move to next DIV (if present), containing (collapsed) list of changes with "enhanced RC"
if ((step=last.nextSibling) && step.nodeName == '#text') last = step //Firefox insists on '\n' being here
if ((step=last.nextSibling) && step.nodeName == 'DIV') last = step
//now get to the 1st element, stopping just before <br> or <div>
while ((step=el.previousSibling) && step.nodeName!='BR' && step.nodeName!='DIV') el = step
//move all row elements one by one to the bottom of the day div
do { step=el.nextSibling; dayDiv.appendChild(el) } while (el != last && (el=step))
}
}
}//for
alreadySorted = true
}
this.expandWatchlist = function(){
var i = 0, sp, state = rcm0.style.display
while (sp=document.getElementById('RCM'+(i++).toString()))
if (sp.style.display == state) eval(sp.firstChild.href)
}
var uwLinks = [], inProgress = null, timeoutID = null
this.addUnwatchLinks = function() {
if (alreadyAddedUnwatch) return alert(mw.unwatchDone)
var rows = getWatchlistRows(content), x, insAt, el
for (var i = 0; i < rows.length; i++){
x = document.createElement('a')
x.href = wgServer+wgScript+'?action=unwatch&title='+encodeURIComponent(rows[i].title) //non-Ajax unwatch
x.onclick = ajaxUnwatch
uwLinks.push(x)
insAt = rows[i]
if (insAt.parentNode.nodeName == 'LI')
insAt = insAt.nextSibling.nextSibling //non-enhanced WL: insert before ) after history
else
while ((el=insAt.previousSibling) && el.nodeName != 'TT') insAt = el //insert after TT (with time)
insAt.parentNode.insertBefore(document.createTextNode(' ('), insAt)
insAt.parentNode.insertBefore(x, insAt)
insAt.parentNode.insertBefore(document.createTextNode(') '), insAt)
setUnwatchLink(x, false)
}
alreadyAddedUnwatch = true
}
function ajaxUnwatch(e) {
if (inProgress) return false
e = e || window.event
var targ = e.target || e.srcElement
inProgress = getTitleFromURL(targ.href)
timeoutID = window.setTimeout( function() {inProgress = null}, 10000 )
//call server
var action = (targ.innerHTML == 'x') ? 'u' : 'w'
sajax_do_call('wfAjaxWatch', [inProgress, action], showUnwatch)
return false
}
function showUnwatch (request) {
if (timeoutID) window.clearTimeout(timeoutID)
var response = request.responseText
if (window.wlUnwatchShowMsg) jsMsg (response.substr(4), 'watch')
var name = inProgress, state, prefix, idx, pg, i, el
inProgress = null
if (/^<u#>/.test(response)) state = true
else if (/^<w#>/.test(response)) state = false
else return //unrecognized response
//find the full name of "other page"
var ns = getNSFromTitle(name)
var name2 = name
if (ns > 0) name2 = name2.substring(getNamespace(ns).length+1) //remove old prefix
if (ns % 2) ns--; else ns++ //switch to "other" namespace
if (ns > 0) name2 = getNamespace(ns) + ':' + name2 //add new prefix
//now mark all rows that are either name or name2
for (i=0; i<uwLinks.length; i++){
el = uwLinks[i]
pg = getTitleFromURL(el.href)
if (pg != name && pg != name2) continue
setUnwatchLink (el, state)
//now mark the whole line
while ((el=el.nextSibling) && (el.nodeName!='DIV') && (el.nodeName!='BR'))
if (el.style) el.style.textDecoration = state ? 'line-through' : ''
}
}
function setUnwatchLink (unwatchLink, state) {
unwatchLink.innerHTML = state ? '+' : 'x'
unwatchLink.title = state ? mw.watch : mw.unwatch
}
//common functions, some need 'namespace' select element
function getNSFromTitle(title){ //returns namespace number
var i = title.indexOf(':')
if (i == -1) return 0
var prefix = title.substring(0,i+1) //including :
for (i=2; i < namespace.options.length; i++)
if (namespace.options[i].text+':' == prefix)
return i-1
return 0 // ':' was simply a part of a title
}
function getNamespace(ns){ //returns namespace name
if (ns==0) return ''
else return namespace.options[ns+1].text
}
function getTitleFromURL (url){ //gets 'title=' part from a link
var ma = url.match(/(&|\?)title=([^&]+)/)
if (ma) return decodeURIComponent(ma[2]).replace(/_/g,' ')
else return ''
}
function getWatchlistRows(parent){ //returns all 'history' links inside 'parent'
var histLinks = []
var allLinks = parent.getElementsByTagName('a')
for (var i = 0; i < allLinks.length; i++)
if (/[?&]action=history(&|$)/.test(allLinks[i].href)){
histLinks[histLinks.length] = allLinks[i]
i += 3 //move counter to speed things up a bit
}
return histLinks
}
function zzz(s){ // 5 -> 005
s = s.toString()
if (s.length==1) return '00'+s
else if (s.length==2) return '0'+s
else return s
}
}//obj
if (wgCanonicalSpecialPageName && wgCanonicalSpecialPageName == 'Watchlist')
addOnloadHook(WLScript.onLoad)