75 lines
2.3 KiB
CoffeeScript
75 lines
2.3 KiB
CoffeeScript
PostJumper =
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init: ->
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return unless Conf['Unique ID and Capcode Navigation'] and g.VIEW in ['index', 'thread']
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@maps =
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capcode: Object.create(null)
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uniqueID: Object.create(null)
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@buttons = @makeButtons()
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Callbacks.Post.push
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name: 'Post Jumper'
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cb: @node
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node: ->
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if @isClone
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for buttons in $$ '.postJumper', @nodes.info
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PostJumper.addListeners buttons
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return
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if @nodes.uniqueIDRoot
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PostJumper.addButtons @,'uniqueID'
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if @nodes.capcode
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PostJumper.addButtons @,'capcode'
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addButtons: (post,type) ->
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value = post.nodes[type].innerText
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buttons = PostJumper.buttons.cloneNode(true)
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buttons.dataset.type = type
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$.after post.nodes[type+(if type is 'capcode' then '' else 'Root')], buttons
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PostJumper.addListeners buttons
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if value not of PostJumper.maps[type]
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PostJumper.maps[type][value] = []
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PostJumper.maps[type][value].push {key: post.ID, val: post.fullID}
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PostJumper.maps[type][value].sort (first,second) -> first.key-second.key
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addListeners: (buttons) ->
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$.on buttons.firstChild, 'click', PostJumper.buttonClick
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$.on buttons.lastChild, 'click', PostJumper.buttonClick
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buttonClick: ->
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post = Get.postFromNode @
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{type} = @parentNode.dataset
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dir = if $.hasClass(@, 'prev') then -1 else 1
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value = (if type is 'capcode' then '## ' else '') + post.info[type]
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fromID = post.ID
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idx = PostJumper.indexOfPair PostJumper.maps[type][value],fromID
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return if idx is -1
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idx = (idx + dir) %% PostJumper.maps[type][value].length
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toID= PostJumper.maps[type][value][idx].val
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PostJumper.scroll post, g.posts[toID]
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makeButtons: ->
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charPrev = '\u23EB'
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charNext = '\u23EC'
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classPrev = 'prev'
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classNext = 'next'
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span = $.el 'span',
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className: 'postJumper'
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$.extend span, <%= html('<a href="javascript:void(0);" class="${classPrev}">${charPrev}</a><a href="javascript:void(0);" class="${classNext}">${charNext}</a>') %>
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span
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scroll: (fromPost, toPost) ->
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prevPos = fromPost.nodes.nameBlock.getBoundingClientRect().top
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destPos = toPost.nodes.nameBlock.getBoundingClientRect().top
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window.scrollBy 0, destPos-prevPos
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indexOfPair: (array,key) ->
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result = -1;
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for i in [0..array.length-1] by 1
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if array[i].key is key
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result = i
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break
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result
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