4chan-x/src/General/Index.coffee
2014-01-29 16:40:34 +01:00

504 lines
18 KiB
CoffeeScript

Index =
init: ->
if g.VIEW isnt 'index'
@rmCatalogLinks()
return
return if g.BOARD.ID is 'f'
@db = new DataBoard 'pinnedThreads'
Thread.callbacks.push
name: 'Thread Pinning'
cb: @threadNode
CatalogThread.callbacks.push
name: 'Catalog Features'
cb: @catalogNode
@button = $.el 'a',
className: 'index-refresh-shortcut fa fa-refresh'
title: 'Refresh Index'
href: 'javascript:;'
$.on @button, 'click', @update
Header.addShortcut @button, 1
modeEntry =
el: $.el 'span', textContent: 'Index mode'
subEntries: [
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Mode" value="paged"> Paged' }
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Mode" value="all pages"> All threads' }
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Mode" value="catalog"> Catalog' }
]
for label in modeEntry.subEntries
input = label.el.firstChild
input.checked = Conf['Index Mode'] is input.value
$.on input, 'change', $.cb.value
$.on input, 'change', @cb.mode
sortEntry =
el: $.el 'span', textContent: 'Sort by'
subEntries: [
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Sort" value="bump"> Bump order' }
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Sort" value="lastreply"> Last reply' }
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Sort" value="birth"> Creation date' }
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Sort" value="replycount"> Reply count' }
{ el: $.el 'label', innerHTML: '<input type=radio name="Index Sort" value="filecount"> File count' }
]
for label in sortEntry.subEntries
input = label.el.firstChild
input.checked = Conf['Index Sort'] is input.value
$.on input, 'change', $.cb.value
$.on input, 'change', @cb.sort
repliesEntry =
el: $.el 'label',
innerHTML: '<input type=checkbox name="Show Replies"> Show replies'
anchorEntry =
el: $.el 'label',
innerHTML: '<input type=checkbox name="Anchor Hidden Threads"> Anchor hidden threads'
title: 'Move hidden threads at the end of the index.'
refNavEntry =
el: $.el 'label',
innerHTML: '<input type=checkbox name="Refreshed Navigation"> Refreshed navigation'
title: 'Refresh index when navigating through pages.'
for label in [repliesEntry, anchorEntry, refNavEntry]
input = label.el.firstChild
{name} = input
input.checked = Conf[name]
$.on input, 'change', $.cb.checked
switch name
when 'Show Replies'
$.on input, 'change', @cb.replies
when 'Anchor Hidden Threads'
$.on input, 'change', @cb.sort
$.event 'AddMenuEntry',
type: 'header'
el: $.el 'span',
textContent: 'Index Navigation'
order: 90
subEntries: [modeEntry, sortEntry, repliesEntry, anchorEntry, refNavEntry]
$.addClass doc, 'index-loading'
@update()
@root = $.el 'div', className: 'board'
Index.cb.rootClass()
@pagelist = $.el 'div',
className: 'pagelist'
hidden: true
innerHTML: <%= importHTML('General/Index-pagelist') %>
@navLinks = $.el 'div',
className: 'navLinks'
innerHTML: <%= importHTML('General/Index-navlinks') %>
@searchInput = $ '#index-search', @navLinks
@currentPage = @getCurrentPage()
$.on window, 'popstate', @cb.popstate
$.on @pagelist, 'click', @cb.pageNav
$.on @searchInput, 'input', @onSearchInput
$.on $('#index-search-clear', @navLinks), 'click', @clearSearch
$.asap (-> $('.board', doc) or d.readyState isnt 'loading'), ->
board = $ '.board'
$.replace board, Index.root
# Hacks:
# - When removing an element from the document during page load,
# its ancestors will still be correctly created inside of it.
# - Creating loadable elements inside of an origin-less document
# will not download them.
# - Combine the two and you get a download canceller!
# Does not work on Firefox unfortunately. bugzil.la/939713
d.implementation.createDocument(null, null, null).appendChild board
for navLink in $$ '.navLinks'
$.rm navLink
$.after $.x('child::form/preceding-sibling::hr[1]'), Index.navLinks
$.rmClass doc, 'index-loading'
$.asap (-> $('.pagelist') or d.readyState isnt 'loading'), ->
$.replace $('.pagelist'), Index.pagelist
threadNode: ->
return unless data = Index.db.get {boardID: @board.ID, threadID: @ID}
@pin() if data.isPinned
catalogNode: ->
$.on @nodes.thumb, 'click', Index.onClick
onClick: (e) ->
return if e.button isnt 0
root = @parentNode.parentNode
thread = g.threads[root.dataset.fullID]
if e.shiftKey
$.rm root
ThreadHiding.hide thread
ThreadHiding.saveHiddenState thread
else if e.altKey
Index.togglePin thread
else
return
e.preventDefault()
togglePin: (thread) ->
if thread.isPinned
thread.unpin()
Index.db.delete
boardID: thread.board.ID
threadID: thread.ID
else
thread.pin()
Index.db.set
boardID: thread.board.ID
threadID: thread.ID
val: isPinned: thread.isPinned
Index.sort()
Index.buildIndex()
rmCatalogLinks: ->
$.addClass doc, 'removing-catalog-links'
$.ready ->
for el in $$ '.navLinks a[href$=catalog]'
$.rm el.previousSibling
$.rm el
$.rmClass doc, 'removing-catalog-links'
cb:
rootClass: ->
(if Conf['Index Mode'] is 'catalog' then $.addClass else $.rmClass) Index.root, 'catalog-mode'
mode: ->
Index.cb.rootClass()
Index.togglePagelist()
Index.buildIndex()
sort: ->
Index.sort()
Index.buildIndex()
replies: ->
Index.buildThreads()
Index.sort()
Index.buildIndex()
popstate: (e) ->
pageNum = Index.getCurrentPage()
Index.pageLoad pageNum if Index.currentPage isnt pageNum
pageNav: (e) ->
return if e.shiftKey or e.altKey or e.ctrlKey or e.metaKey or e.button isnt 0
switch e.target.nodeName
when 'BUTTON'
a = e.target.parentNode
when 'A'
a = e.target
else
return
e.preventDefault()
Index.userPageNav +a.pathname.split('/')[2]
scrollToIndex: ->
Header.scrollToIfNeeded Index.root
getCurrentPage: ->
+window.location.pathname.split('/')[2]
userPageNav: (pageNum) ->
if Conf['Refreshed Navigation'] and Conf['Index Mode'] is 'paged'
Index.update pageNum
else
Index.pageNav pageNum
pageNav: (pageNum) ->
return if Index.currentPage is pageNum
history.pushState null, '', if pageNum is 0 then './' else pageNum
Index.pageLoad pageNum
pageLoad: (pageNum) ->
Index.currentPage = pageNum
return if Conf['Index Mode'] isnt 'paged'
Index.buildIndex()
Index.setPage()
Index.scrollToIndex()
getPagesNum: ->
if Index.isSearching
Math.ceil (Index.sortedNodes.length / 2) / Index.threadsNumPerPage
else
Index.pagesNum
getMaxPageNum: ->
Math.max 0, Index.getPagesNum() - 1
togglePagelist: ->
Index.pagelist.hidden = Conf['Index Mode'] isnt 'paged'
buildPagelist: ->
pagesRoot = $ '.pages', Index.pagelist
maxPageNum = Index.getMaxPageNum()
if pagesRoot.childElementCount isnt maxPageNum + 1
nodes = []
for i in [0..maxPageNum] by 1
a = $.el 'a',
textContent: i
href: if i then i else './'
nodes.push $.tn('['), a, $.tn '] '
$.rmAll pagesRoot
$.add pagesRoot, nodes
Index.togglePagelist()
setPage: ->
pageNum = Index.getCurrentPage()
maxPageNum = Index.getMaxPageNum()
pagesRoot = $ '.pages', Index.pagelist
# Previous/Next buttons
prev = pagesRoot.previousSibling.firstChild
next = pagesRoot.nextSibling.firstChild
href = Math.max pageNum - 1, 0
prev.href = if href is 0 then './' else href
prev.firstChild.disabled = href is pageNum
href = Math.min pageNum + 1, maxPageNum
next.href = if href is 0 then './' else href
next.firstChild.disabled = href is pageNum
# <strong> current page
if strong = $ 'strong', pagesRoot
return if +strong.textContent is pageNum
$.replace strong, strong.firstChild
else
strong = $.el 'strong'
a = pagesRoot.children[pageNum]
$.before a, strong
$.add strong, a
update: (pageNum) ->
return unless navigator.onLine
Index.req?.abort()
Index.notice?.close()
if d.readyState isnt 'loading'
Index.notice = new Notice 'info', 'Refreshing index...'
else
# Delay the notice on initial page load
# and only display it for slow connections.
now = Date.now()
$.ready ->
setTimeout (->
return unless Index.req and !Index.notice
Index.notice = new Notice 'info', 'Refreshing index...'
), 5 * $.SECOND - (Date.now() - now)
pageNum = null if typeof pageNum isnt 'number' # event
onload = (e) -> Index.load e, pageNum
Index.req = $.ajax "//a.4cdn.org/#{g.BOARD}/catalog.json",
onabort: onload
onloadend: onload
,
whenModified: true
$.addClass Index.button, 'fa-spin'
load: (e, pageNum) ->
$.rmClass Index.button, 'fa-spin'
{req, notice} = Index
delete Index.req
delete Index.notice
if e.type is 'abort'
req.onloadend = null
notice.close()
return
if req.status not in [200, 304]
err = "Index refresh failed. Error #{req.statusText} (#{req.status})"
if notice
notice.setType 'warning'
notice.el.lastElementChild.textContent = err
setTimeout notice.close, $.SECOND
else
new Notice 'warning', err, 1
return
try
if req.status is 200
Index.parse req.response, pageNum
else if req.status is 304 and pageNum?
Index.pageNav pageNum
catch err
c.error 'Index failure:', err.stack
# network error or non-JSON content for example.
if notice
notice.setType 'error'
notice.el.lastElementChild.textContent = 'Index refresh failed.'
setTimeout notice.close, $.SECOND
else
new Notice 'error', 'Index refresh failed.', 1
return
if notice
notice.setType 'success'
notice.el.lastElementChild.textContent = 'Index refreshed!'
setTimeout notice.close, $.SECOND
timeEl = $ '#index-last-refresh', Index.navLinks
timeEl.dataset.utc = Date.parse req.getResponseHeader 'Last-Modified'
RelativeDates.update timeEl
Index.scrollToIndex()
parse: (pages, pageNum) ->
Index.parseThreadList pages
Index.buildThreads()
Index.sort()
Index.buildPagelist()
if pageNum?
Index.pageNav pageNum
return
Index.buildIndex()
Index.setPage()
parseThreadList: (pages) ->
Index.pagesNum = pages.length
Index.threadsNumPerPage = pages[0].threads.length
Index.liveThreadData = pages.reduce ((arr, next) -> arr.concat next.threads), []
Index.liveThreadIDs = Index.liveThreadData.map (data) -> data.no
for threadID, thread of g.BOARD.threads when thread.ID not in Index.liveThreadIDs
thread.collect()
return
buildThreads: ->
Index.nodes = []
threads = []
posts = []
for threadData, i in Index.liveThreadData
threadRoot = Build.thread g.BOARD, threadData
Index.nodes.push threadRoot, $.el 'hr'
if thread = g.BOARD.threads[threadData.no]
thread.setPage Math.floor i / Index.threadsNumPerPage
thread.setCount 'post', threadData.replies + 1, threadData.bumplimit
thread.setCount 'file', threadData.images + !!threadData.ext, threadData.imagelimit
thread.setStatus 'Sticky', !!threadData.sticky
thread.setStatus 'Closed', !!threadData.closed
else
thread = new Thread threadData.no, g.BOARD
threads.push thread
continue if thread.ID of thread.posts
try
posts.push new Post $('.opContainer', threadRoot), thread, g.BOARD
catch err
# Skip posts that we failed to parse.
errors = [] unless errors
errors.push
message: "Parsing of Post No.#{thread} failed. Post will be skipped."
error: err
Main.handleErrors errors if errors
# Add the threads and <hr>s in a container to make sure all features work.
$.nodes Index.nodes
Main.callbackNodes Thread, threads
Main.callbackNodes Post, posts
$.event 'IndexRefresh'
buildReplies: (threadRoots) ->
posts = []
for threadRoot in threadRoots by 2
thread = Get.threadFromRoot threadRoot
i = Index.liveThreadIDs.indexOf thread.ID
continue unless lastReplies = Index.liveThreadData[i].last_replies
nodes = []
for data in lastReplies
if post = thread.posts[data.no]
nodes.push post.nodes.root
continue
nodes.push node = Build.postFromObject data, thread.board.ID
try
posts.push new Post node, thread, thread.board
catch err
# Skip posts that we failed to parse.
errors = [] unless errors
errors.push
message: "Parsing of Post No.#{data.no} failed. Post will be skipped."
error: err
$.add threadRoot, nodes
Main.handleErrors errors if errors
Main.callbackNodes Post, posts
buildCatalogViews: ->
threads = Index.sortedNodes
.filter((n, i) -> !(i % 2))
.map((threadRoot) -> Get.threadFromRoot threadRoot)
.filter (thread) -> !thread.isHidden
catalogThreads = []
for thread in threads when !thread.catalogView
catalogThreads.push new CatalogThread Build.catalogThread(thread), thread
Main.callbackNodes CatalogThread, catalogThreads
threads.map (thread) -> thread.catalogView.nodes.root
sort: ->
switch Conf['Index Sort']
when 'bump'
sortedThreadIDs = Index.liveThreadIDs
when 'lastreply'
sortedThreadIDs = [Index.liveThreadData...].sort((a, b) ->
a = a.last_replies[a.last_replies.length - 1] if 'last_replies' of a
b = b.last_replies[b.last_replies.length - 1] if 'last_replies' of b
b.no - a.no
).map (data) -> data.no
when 'birth'
sortedThreadIDs = [Index.liveThreadIDs...].sort (a, b) -> b - a
when 'replycount'
sortedThreadIDs = [Index.liveThreadData...].sort((a, b) -> b.replies - a.replies).map (data) -> data.no
when 'filecount'
sortedThreadIDs = [Index.liveThreadData...].sort((a, b) -> b.images - a.images).map (data) -> data.no
Index.sortedNodes = []
for threadID in sortedThreadIDs
i = Index.liveThreadIDs.indexOf(threadID) * 2
Index.sortedNodes.push Index.nodes[i], Index.nodes[i + 1]
if Index.isSearching
Index.sortedNodes = Index.querySearch(Index.searchInput.value) or Index.sortedNodes
# Sticky threads
Index.sortOnTop (thread) -> thread.isSticky
# Highlighted threads
Index.sortOnTop((thread) -> thread.isOnTop) if Conf['Filter']
# Non-hidden threads
Index.sortOnTop((thread) -> !thread.isHidden) if Conf['Anchor Hidden Threads']
sortOnTop: (match) ->
offset = 0
for threadRoot, i in Index.sortedNodes by 2 when match Get.threadFromRoot threadRoot
Index.sortedNodes.splice offset++ * 2, 0, Index.sortedNodes.splice(i, 2)...
return
buildIndex: ->
switch Conf['Index Mode']
when 'paged'
pageNum = Index.getCurrentPage()
nodesPerPage = Index.threadsNumPerPage * 2
nodes = Index.sortedNodes[nodesPerPage * pageNum ... nodesPerPage * (pageNum + 1)]
when 'catalog'
nodes = Index.buildCatalogViews()
else
nodes = Index.sortedNodes
$.rmAll Index.root
Index.buildReplies nodes if Conf['Show Replies'] and Conf['Index Mode'] isnt 'catalog'
$.add Index.root, nodes
$.event 'IndexBuild', nodes
isSearching: false
clearSearch: ->
Index.searchInput.value = null
Index.onSearchInput()
Index.searchInput.focus()
onSearchInput: ->
if Index.isSearching = !!Index.searchInput.value.trim()
unless Index.searchInput.dataset.searching
Index.searchInput.dataset.searching = 1
Index.pageBeforeSearch = Index.getCurrentPage()
pageNum = 0
else
pageNum = Index.getCurrentPage()
else
return unless Index.searchInput.dataset.searching
pageNum = Index.pageBeforeSearch
delete Index.pageBeforeSearch
<% if (type === 'userscript') { %>
# XXX https://github.com/greasemonkey/greasemonkey/issues/1571
Index.searchInput.removeAttribute 'data-searching'
<% } else { %>
delete Index.searchInput.dataset.searching
<% } %>
Index.sort()
# Go to the last available page if we were past the limit.
pageNum = Math.min pageNum, Index.getMaxPageNum() if Conf['Index Mode'] is 'paged'
Index.buildPagelist()
if Index.currentPage is pageNum
Index.buildIndex()
Index.setPage()
else
Index.pageNav pageNum
querySearch: (query) ->
return unless keywords = query.toLowerCase().match /\S+/g
Index.search keywords
search: (keywords) ->
found = []
for threadRoot, i in Index.sortedNodes by 2
if Index.searchMatch Get.threadFromRoot(threadRoot), keywords
found.push Index.sortedNodes[i], Index.sortedNodes[i + 1]
found
searchMatch: (thread, keywords) ->
{info, file} = thread.OP
text = []
for key in ['comment', 'subject', 'name', 'tripcode', 'email']
text.push info[key] if key of info
text.push file.name if file
text = text.join(' ').toLowerCase()
for keyword in keywords
return false if -1 is text.indexOf keyword
return true