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152 lines
3.7 KiB
CoffeeScript
152 lines
3.7 KiB
CoffeeScript
{View} = require 'space-pen'
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Pane = require 'pane'
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$ = require 'jquery'
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telepath = require 'telepath'
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module.exports =
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class PaneContainer extends View
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registerDeserializer(this)
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### Internal ###
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@acceptsDocuments: true
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@deserialize: (state) ->
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container = new PaneContainer(state)
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container.removeEmptyPanes()
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container
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@content: ->
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@div id: 'panes'
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initialize: (@state) ->
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if @state?
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@setRoot(deserialize(@state.get('root')), updateState: false)
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else
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@state = telepath.Document.create(deserializer: 'PaneContainer')
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@state.on 'changed', ({key, newValue, site}) =>
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return if site is @state.site.id
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if key is 'root'
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@setRoot(deserialize(newValue), updateState: false)
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@destroyedItemStates = []
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serialize: ->
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@getRoot()?.serialize()
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@state
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getState: -> @state
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### Public ###
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focusNextPane: ->
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panes = @getPanes()
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if panes.length > 1
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currentIndex = panes.indexOf(@getFocusedPane())
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nextIndex = (currentIndex + 1) % panes.length
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panes[nextIndex].focus()
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true
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else
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false
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focusPreviousPane: ->
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panes = @getPanes()
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if panes.length > 1
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currentIndex = panes.indexOf(@getFocusedPane())
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previousIndex = currentIndex - 1
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previousIndex = panes.length - 1 if previousIndex < 0
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panes[previousIndex].focus()
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true
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else
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false
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makeNextPaneActive: ->
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panes = @getPanes()
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currentIndex = panes.indexOf(@getActivePane())
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nextIndex = (currentIndex + 1) % panes.length
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panes[nextIndex].makeActive()
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reopenItem: ->
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if lastItemState = @destroyedItemStates.pop()
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if activePane = @getActivePane()
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activePane.showItem(deserialize(lastItemState))
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true
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else
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newPane = new Pane(deserialize(lastItemState))
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@setRoot(newPane)
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newPane.focus()
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itemDestroyed: (item) ->
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state = item.serialize?()
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state.uri ?= item.getUri?()
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@destroyedItemStates.push(state) if state?
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itemAdded: (item) ->
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itemUri = item.getUri?()
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@destroyedItemStates = @destroyedItemStates.filter (itemState) ->
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itemState.uri isnt itemUri
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getRoot: ->
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@children().first().view()
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setRoot: (root, options={}) ->
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@empty()
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@append(root) if root?
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@state.set(root: root?.getState()) if options.updateState ? true
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removeChild: (child) ->
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throw new Error("Removing non-existant child") unless @getRoot() is child
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@setRoot(null)
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@trigger 'pane:removed', [child] if child instanceof Pane
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saveAll: ->
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pane.saveItems() for pane in @getPanes()
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confirmClose: ->
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saved = true
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for pane in @getPanes()
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for item in pane.getItems() when item.isModified?()
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if not @paneAtIndex(0).promptToSaveItem item
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saved = false
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break
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saved
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getPanes: ->
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@find('.pane').views()
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indexOfPane: (pane) ->
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@getPanes().indexOf(pane.view())
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paneAtIndex: (index) ->
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@getPanes()[index]
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eachPane: (callback) ->
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callback(pane) for pane in @getPanes()
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paneAttached = (e) -> callback($(e.target).view())
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@on 'pane:attached', paneAttached
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cancel: => @off 'pane:attached', paneAttached
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getFocusedPane: ->
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@find('.pane:has(:focus)').view()
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getActivePane: ->
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@find('.pane.active').view() ? @find('.pane:first').view()
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getActivePaneItem: ->
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@getActivePane()?.activeItem
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getActiveView: ->
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@getActivePane()?.activeView
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adjustPaneDimensions: ->
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if root = @getRoot()
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root.css(width: '100%', height: '100%', top: 0, left: 0)
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root.adjustDimensions()
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removeEmptyPanes: ->
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for pane in @getPanes() when pane.getItems().length == 0
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pane.remove()
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afterAttach: ->
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@adjustPaneDimensions()
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