250 lines
7.2 KiB
CoffeeScript
250 lines
7.2 KiB
CoffeeScript
Filter =
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filters: {}
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init: ->
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return unless g.VIEW in ['index', 'thread'] and Conf['Filter']
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unless Conf['Filtered Backlinks']
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$.addClass doc, 'hide-backlinks'
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for key of Config.filter
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@filters[key] = []
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for line in Conf[key].split '\n'
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continue if line[0] is '#'
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unless regexp = line.match /\/(.+)\/(\w*)/
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continue
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# Don't mix up filter flags with the regular expression.
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filter = line.replace regexp[0], ''
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# Comma-separated list of the boards this filter applies to.
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# Defaults to global.
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boards = filter.match(/boards:([^;]+)/)?[1].toLowerCase() or 'global'
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boards = if boards is 'global' then null else boards.split(',')
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# boards to exclude from an otherwise global rule
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if boards is null
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excludes = filter.match(/exclude:([^;]+)/)?[1].toLowerCase().split(',') or null
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if key in ['uniqueID', 'MD5']
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# MD5 filter will use strings instead of regular expressions.
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regexp = regexp[1]
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else
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try
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# Please, don't write silly regular expressions.
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regexp = RegExp regexp[1], regexp[2]
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catch err
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# I warned you, bro.
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new Notice 'warning', [
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$.tn "Invalid #{key} filter:"
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$.el 'br'
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$.tn line
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$.el 'br'
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$.tn err.message
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], 60
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continue
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# Filter OPs along with their threads, replies only, or both.
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# Defaults to both.
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op = filter.match(/[^t]op:(yes|no|only)/)?[1] or 'yes'
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# Overrule the `Show Stubs` setting.
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# Defaults to stub showing.
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stub = switch filter.match(/stub:(yes|no)/)?[1]
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when 'yes'
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true
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when 'no'
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false
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else
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Conf['Stubs']
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# Highlight the post, or hide it.
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# If not specified, the highlight class will be filter-highlight.
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# Defaults to post hiding.
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if hl = /highlight/.test filter
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hl = filter.match(/highlight:([\w-]+)/)?[1] or 'filter-highlight'
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# Put highlighted OP's thread on top of the board page or not.
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# Defaults to on top.
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top = filter.match(/top:(yes|no)/)?[1] or 'yes'
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top = top is 'yes' # Turn it into a boolean
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@filters[key].push @createFilter regexp, boards, excludes, op, stub, hl, top
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# Only execute filter types that contain valid filters.
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unless @filters[key].length
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delete @filters[key]
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return unless Object.keys(@filters).length
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Post.callbacks.push
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name: 'Filter'
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cb: @node
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createFilter: (regexp, boards, excludes, op, stub, hl, top) ->
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test =
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if typeof regexp is 'string'
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# MD5 checking
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(value) -> regexp is value
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else
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(value) -> regexp.test value
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settings =
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hide: !hl
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stub: stub
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class: hl
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top: top
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(value, boardID, isReply) ->
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if boards and boardID not in boards
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return false
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if excludes and boardID in excludes
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return false
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if isReply and op is 'only' or !isReply and op is 'no'
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return false
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unless test value
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return false
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settings
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node: ->
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return if @isClone
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for key of Filter.filters when (value = Filter[key] @)?
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# Continue if there's nothing to filter (no tripcode for example).
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for filter in Filter.filters[key] when result = filter value, @board.ID, @isReply
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# Hide
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if result.hide and not @isFetchedQuote
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if @isReply
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PostHiding.hide @, result.stub
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else if g.VIEW is 'index'
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ThreadHiding.hide @thread, result.stub
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else
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continue
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return
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# Highlight
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$.addClass @nodes.root, result.class
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unless @highlights and result.class in @highlights
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(@highlights or= []).push result.class
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if !@isReply and result.top
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@thread.isOnTop = true
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isHidden: (post) ->
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for key of Filter.filters when (value = Filter[key] post)?
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for filter in Filter.filters[key] when result = filter value, post.boardID, post.isReply
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return true if result.hide
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false
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postID: (post) -> "#{post.ID ? post.postID}"
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name: (post) -> post.info.name
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uniqueID: (post) -> post.info.uniqueID
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tripcode: (post) -> post.info.tripcode
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capcode: (post) -> post.info.capcode
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subject: (post) -> post.info.subject
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comment: (post) -> (post.info.comment ?= Build.parseComment post.info.commentHTML.innerHTML)
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flag: (post) -> post.info.flag
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filename: (post) -> post.file?.name
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dimensions: (post) -> post.file?.dimensions
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filesize: (post) -> post.file?.size
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MD5: (post) -> post.file?.MD5
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menu:
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init: ->
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return unless g.VIEW in ['index', 'thread'] and Conf['Menu'] and Conf['Filter']
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div = $.el 'div',
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textContent: 'Filter'
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entry =
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el: div
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order: 50
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open: (post) ->
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Filter.menu.post = post
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true
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subEntries: []
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for type in [
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['Name', 'name']
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['Unique ID', 'uniqueID']
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['Tripcode', 'tripcode']
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['Capcode', 'capcode']
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['Subject', 'subject']
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['Comment', 'comment']
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['Flag', 'flag']
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['Filename', 'filename']
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['Image dimensions', 'dimensions']
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['Filesize', 'filesize']
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['Image MD5', 'MD5']
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]
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# Add a sub entry for each filter type.
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entry.subEntries.push Filter.menu.createSubEntry type[0], type[1]
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Menu.menu.addEntry entry
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createSubEntry: (text, type) ->
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el = $.el 'a',
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href: 'javascript:;'
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textContent: text
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el.dataset.type = type
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$.on el, 'click', Filter.menu.makeFilter
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return {
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el: el
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open: (post) ->
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value = Filter[type] post
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value?
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}
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makeFilter: ->
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{type} = @dataset
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# Convert value -> regexp, unless type is MD5
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value = Filter[type] Filter.menu.post
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re = if type in ['uniqueID', 'MD5'] then value else value.replace ///
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/
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| \\
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| \^
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| \$
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| \n
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| \.
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| \(
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| \)
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| \{
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| \}
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| \[
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| \]
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| \?
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| \*
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| \+
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| \|
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///g, (c) ->
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if c is '\n'
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'\\n'
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else if c is '\\'
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'\\\\'
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else
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"\\#{c}"
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re = if type in ['uniqueID', 'MD5']
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"/#{re}/"
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else
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"/^#{re}$/"
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# Add a new line before the regexp unless the text is empty.
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$.get type, Conf[type], (item) ->
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save = item[type]
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save =
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if save
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"#{save}\n#{re}"
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else
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re
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$.set type, save
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# Open the settings and display & focus the relevant filter textarea.
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Settings.open 'Filter'
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section = $ '.section-container'
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select = $ 'select[name=filter]', section
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select.value = type
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Settings.selectFilter.call select
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ta = $ 'textarea', section
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tl = ta.textLength
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ta.setSelectionRange tl, tl
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ta.focus()
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