Files
atom/src/pane-element.coffee
Nathan Sobo 60a551b308 Only dispose PaneElement subscriptions when pane is destroyed
Not when the element is detached, because it might be reattached.
2014-09-24 15:28:34 -06:00

101 lines
3.4 KiB
CoffeeScript

{CompositeDisposable} = require 'event-kit'
{$} = require './space-pen-extensions'
PaneView = require './pane-view'
class PaneElement extends HTMLElement
createdCallback: ->
@subscriptions = new CompositeDisposable
@initializeContent()
@subscribeToDOMEvents()
@createSpacePenShim()
attachedCallback: ->
@focus() if @model.isFocused()
initializeContent: ->
@setAttribute 'class', 'pane'
@setAttribute 'tabindex', -1
@appendChild @itemViews = document.createElement('div')
@itemViews.setAttribute 'class', 'item-views'
subscribeToDOMEvents: ->
@addEventListener 'focusin', => @model.focus()
@addEventListener 'focusout', => @model.blur()
@addEventListener 'focus', => @getActiveView()?.focus()
createSpacePenShim: ->
@__spacePenView = new PaneView(this)
getModel: -> @model
setModel: (@model) ->
@subscriptions.add @model.onDidActivate(@activated.bind(this))
@subscriptions.add @model.observeActive(@activeStatusChanged.bind(this))
@subscriptions.add @model.observeActiveItem(@activeItemChanged.bind(this))
@subscriptions.add @model.onDidRemoveItem(@itemRemoved.bind(this))
@subscriptions.add @model.onDidDestroy(@paneDestroyed.bind(this))
@__spacePenView.setModel(@model)
activated: ->
@focus() unless @hasFocus()
activeStatusChanged: (active) ->
if active
@classList.add('active')
else
@classList.remove('active')
activeItemChanged: (item) ->
return unless item?
$itemViews = $(@itemViews)
view = @model.getView(item).__spacePenView
otherView.hide() for otherView in $itemViews.children().not(view).views()
$itemViews.append(view) unless view.parent().is($itemViews)
view.show()
view.focus() if @hasFocus()
itemRemoved: ({item, index, destroyed}) ->
if item instanceof $
viewToRemove = item
else
viewToRemove = @model.getView(item).__spacePenView
if viewToRemove?
if destroyed
viewToRemove.remove()
else
viewToRemove.detach()
paneDestroyed: ->
@subscriptions.dispose()
getActiveView: -> @model.getView(@model.getActiveItem())
hasFocus: ->
this is document.activeElement or @contains(document.activeElement)
atom.commands.add '.pane',
'pane:save-items': -> @getModel().saveItems()
'pane:show-next-item': -> @getModel().activateNextItem()
'pane:show-previous-item': -> @getModel().activatePreviousItem()
'pane:show-item-1': -> @getModel().activateItemAtIndex(0)
'pane:show-item-2': -> @getModel().activateItemAtIndex(1)
'pane:show-item-3': -> @getModel().activateItemAtIndex(2)
'pane:show-item-4': -> @getModel().activateItemAtIndex(3)
'pane:show-item-5': -> @getModel().activateItemAtIndex(4)
'pane:show-item-6': -> @getModel().activateItemAtIndex(5)
'pane:show-item-7': -> @getModel().activateItemAtIndex(6)
'pane:show-item-8': -> @getModel().activateItemAtIndex(7)
'pane:show-item-9': -> @getModel().activateItemAtIndex(8)
'pane:split-left': -> @getModel().splitLeft(copyActiveItem: true)
'pane:split-right': -> @getModel().splitRight(copyActiveItem: true)
'pane:split-up': -> @getModel().splitUp(copyActiveItem: true)
'pane:split-down': -> @getModel().splitDown(copyActiveItem: true)
'pane:close': -> @getModel().destroy()
'pane:close-other-items': -> @getModel().destroyInactiveItems()
module.exports = PaneElement = document.registerElement 'atom-pane',
prototype: PaneElement.prototype
extends: 'div'