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92 lines
2.2 KiB
CoffeeScript
92 lines
2.2 KiB
CoffeeScript
{find} = require 'underscore-plus'
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{Model} = require 'theorist'
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Serializable = require 'serializable'
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Pane = require './pane'
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module.exports =
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class PaneContainer extends Model
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atom.deserializers.add(this)
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Serializable.includeInto(this)
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@properties
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root: -> new Pane
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activePane: null
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previousRoot: null
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@behavior 'activePaneItem', ->
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@$activePane
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.switch((activePane) -> activePane?.$activeItem)
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.distinctUntilChanged()
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constructor: (params) ->
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super
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@subscribe @$root, @onRootChanged
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@destroyEmptyPanes() if params?.destroyEmptyPanes
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deserializeParams: (params) ->
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params.root = atom.deserializers.deserialize(params.root, container: this)
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params.destroyEmptyPanes = atom.config.get('core.destroyEmptyPanes')
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params
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serializeParams: (params) ->
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root: @root?.serialize()
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replaceChild: (oldChild, newChild) ->
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throw new Error("Replacing non-existent child") if oldChild isnt @root
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@root = newChild
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getPanes: ->
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@root?.getPanes() ? []
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paneForUri: (uri) ->
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find @getPanes(), (pane) -> pane.itemForUri(uri)?
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saveAll: ->
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pane.saveItems() for pane in @getPanes()
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activateNextPane: ->
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panes = @getPanes()
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if panes.length > 1
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currentIndex = panes.indexOf(@activePane)
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nextIndex = (currentIndex + 1) % panes.length
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panes[nextIndex].activate()
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true
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else
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false
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activatePreviousPane: ->
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panes = @getPanes()
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if panes.length > 1
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currentIndex = panes.indexOf(@activePane)
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previousIndex = currentIndex - 1
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previousIndex = panes.length - 1 if previousIndex < 0
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panes[previousIndex].activate()
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true
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else
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false
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onRootChanged: (root) =>
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@unsubscribe(@previousRoot) if @previousRoot?
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@previousRoot = root
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unless root?
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@activePane = null
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return
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root.parent = this
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root.container = this
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@activePane ?= root if root instanceof Pane
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destroyEmptyPanes: ->
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pane.destroy() for pane in @getPanes() when pane.items.length is 0
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itemDestroyed: (item) ->
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@emit 'item-destroyed', item
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# Called by Model superclass when destroyed
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destroyed: ->
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pane.destroy() for pane in @getPanes()
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