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()) - 20000 //add 20 sec just in case
var namespace, $content, alreadySorted, alreadyAddedUnwatch, mm
var inProgress = null, timeoutID = null, isEnhanced
mm = {
sort:'↑↓',
sortTip:'Sort rows by even namespace number, then by page title',
sortDone:'Watchlist changes already sorted',
unwatchTip:'Add (x) quick unwatch links',
unwatchDone:'Use (x) links to quickly unwatch pages',
onlynew: 'Only new',
onlynewTip: 'Show changes since this page was loaded',
expandAll: 'Expand/hide all',
fullPage: 'Hide/Show interface'
}
this.onLoad = function() {
PngFixDisabled = true
namespace = document.getElementById('namespace')
if (!namespace) return
$content = $('#bodyContent')
if (!$content.length){
$content = $('#mw_content, #article').eq(0)
if (!$content.length) $content = $(document.body) //covered all the skin but who knows...
}
isEnhanced = $content.find('ul.special').length == 0
if (isEnhanced) $content.click(toggleXLink)
var insAt = $('#mw-watchlist-options').find('a[href$=&days=7]').next().next() //find insertion point: after "days all"
if (!insAt.length) insAt = $('#mw-watchlist-options').find('hr').last()
//append "only new" link
var lnk = addLnk(onlyNewEntries, mm.onlynew, mm.onlynewTip)
.attr('id', 'listSince').mousedown(onlyNewEntries) //middle clicks too
//append "maximized mode" links
$('#firstHeading').append(
lnk.clone(true).addClass('wl-maximized'),
$('<span class=wl-maximized id=wl-restore>↙</span>').click(maximize)
)
appendCSS('.wl-maximized { margin-left:1em; display:none}\
#wl-restore {margin-left:2em; cursor:pointer; font-size:1.6em;\
border:1px outset gray; border-bottom:none; padding:0 2px}')
//append other links
addLnk(addUnwatchLinks, 'x' , mm.unwatchTip)
addLnk(sortWatchlist, mm.sort, mm.sortTip)
if ($('#mw-rc-openarrow-0').length) addLnk(expandWatchlist, '±', mm.expandAll)
addLnk(maximize, '↗', mm.fullPage)
return
function addLnk(fnc, txt, tip){
var a = $j('<a href=# title="'+tip+'" style="font-style:italic">'+txt+'</a>').click(fnc)
insAt.before(' | ', a)
return a
}
}
function onlyNewEntries(e) {
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
}
function sortWatchlist(e){
e.preventDefault()
if (alreadySorted) return alert(mm.sortDone)
var H4s = $content.find('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 = $(dayDiv).find('a[href*="&action=history"]')
if (rows.length == 0) 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
}
function expandWatchlist(e){
e.preventDefault()
var i = 0, sp, state = $('#mw-rc-openarrow-0')[0].style.display
while (sp=document.getElementById('mw-rc-openarrow-'+(i++).toString()))
if (sp.style.display == state) $(sp.firstChild).click()
}
function addUnwatchLinks(e){
e.preventDefault()
if (alreadyAddedUnwatch) return alert(mm.unwatchDone)
$content.find('a[href*="&action=history"]').each(function(i, lnk){ appendXLink(lnk) })
alreadyAddedUnwatch = true
}
function appendXLink(lnk){
var x = $j('<a class=aj-unwatch title="'+mw.msg('unwatch')+'" />')
.attr('href', lnk.href.replace(/&curid=\d+/,'').replace(/action=history/,'action=unwatch'))
.click(ajaxUnwatch)
lnk = $(lnk)
if (isEnhanced) lnk.parent().prepend( x.append('(x)') )
else lnk.after( ' | ', x.append('x') )
//experimental
/*
lnk.attr('title', lnk.text()).text('Ω')
lnk = lnk.prev()
lnk.attr('title', lnk.text()).text(lnk.text().replace(/[^\d]+/,'Δ'))
*/
}
function toggleXLink(e){ //add (x) when clicking on timestamp
if ( ! $(e.target).filter('td.mw-enhanced-rc').length ) return
var tbl = $(e.target).parents('table.mw-enhanced-rc')
var x = tbl.find('a.aj-unwatch')
if (x.length) x.remove()
else appendXLink(tbl.find('a[href*="&action=history"]')[0])
}
function ajaxUnwatch(e) {
if (inProgress) return false
inProgress = getTitleFromURL(this.href)
timeoutID = window.setTimeout( function() {inProgress = null}, 10000 )
//call server
var req = { action:'watch', format:'json', title:inProgress }
if (/&action=unwatch/.test(this.href)) req.unwatch = ''
$.getJSON( '/w/api.php', req, showUnwatch)
return false
}
function showUnwatch (response) {
if (timeoutID) window.clearTimeout(timeoutID)
response = response.watch
var name = inProgress, state, pg
inProgress = null
if (response.watched !== undefined) state = false
else if (response.unwatched !== undefined) state = true
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
$content.find('a.aj-unwatch').each(function(i, lnk){
pg = getTitleFromURL(lnk.href)
if (pg != name && pg != name2) return
lnk.title = mw.msg(state?'watch':'unwatch')
$(lnk).parent().find('a').css('text-decoration', state ? 'line-through' : '')
lnk.href = lnk.href.replace(/&action=\w+/, '&action='+ (state?'watch':'unwatch'))
})
}
var maximizeCSS
function maximize(e){
if (e) e.preventDefault()
if (!maximizeCSS) maximizeCSS = mw.util.addCSS('\
div#siteNotice, #siteSub, #contentSub, fieldset#mw-watchlist-options,\
div.mw-rc-label-legend, #mw-fr-watchlist-pending-notice {display:none}\
h1#firstHeading {font-size:12pt} .wl-maximized {display:inline !important}')
else maximizeCSS.disabled = !maximizeCSS.disabled
document.cookie = 'wlmax='
+ (!maximizeCSS.disabled ? '1' : '0;expires=' + (new Date()).toGMTString() + ';;')
}
this.maximize = maximize
//common functions; 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 just a part of the 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 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 == 'Watchlist' && wgAction == 'view') {
if (document.cookie.indexOf('wlmax=1') != -1) WLScript.maximize()
addOnloadHook(WLScript.onLoad)
}