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91 lines
2.9 KiB
CoffeeScript
91 lines
2.9 KiB
CoffeeScript
_ = require 'underscore'
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NylasStore = require 'nylas-store'
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{Rx,
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Thread,
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Message,
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Actions,
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DatabaseStore,
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WorkspaceStore,
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FocusedContentStore,
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TaskQueueStatusStore,
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FocusedPerspectiveStore} = require 'nylas-exports'
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{ListTabular} = require 'nylas-component-kit'
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ThreadListDataSource = require './thread-list-data-source'
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class ThreadListStore extends NylasStore
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constructor: ->
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@listenTo FocusedPerspectiveStore, @_onPerspectiveChanged
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@createListDataSource()
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dataSource: =>
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@_dataSource
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createListDataSource: =>
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@_dataSourceUnlisten?()
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@_dataSource = null
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threadsSubscription = FocusedPerspectiveStore.current().threads()
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if threadsSubscription
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@_dataSource = new ThreadListDataSource(threadsSubscription)
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@_dataSourceUnlisten = @_dataSource.listen(@_onDataChanged, @)
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else
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@_dataSource = new ListTabular.DataSource.Empty()
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@trigger(@)
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Actions.setFocus(collection: 'thread', item: null)
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selectionObservable: =>
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return Rx.Observable.fromListSelection(@)
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# Inbound Events
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_onPerspectiveChanged: =>
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if FocusedPerspectiveStore.current().searchQuery is undefined
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Actions.dismissNotificationsMatching({tag: 'search-error'})
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@createListDataSource()
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_onDataChanged: ({previous, next} = {}) =>
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# This code keeps the focus and keyboard cursor in sync with the thread list.
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# When the thread list changes, it looks to see if the focused thread is gone,
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# or no longer matches the query criteria and advances the focus to the next
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# thread.
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# This means that removing a thread from view in any way causes selection
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# to advance to the adjacent thread. Nice and declarative.
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if previous and next
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focused = FocusedContentStore.focused('thread')
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keyboard = FocusedContentStore.keyboardCursor('thread')
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viewModeAutofocuses = WorkspaceStore.layoutMode() is 'split' or WorkspaceStore.topSheet().root is true
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matchers = next.query()?.matchers()
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focusedIndex = if focused then previous.offsetOfId(focused.id) else -1
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keyboardIndex = if keyboard then previous.offsetOfId(keyboard.id) else -1
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nextItemFromIndex = (i) =>
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if i > 0 and (next.modelAtOffset(i - 1)?.unread or i >= next.count())
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nextIndex = i - 1
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else
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nextIndex = i
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# May return null if no thread is loaded at the next index
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next.modelAtOffset(nextIndex)
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notInSet = (model) ->
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if matchers
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return model.matches(matchers) is false
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else
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return next.offsetOfId(model.id) is -1
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if viewModeAutofocuses and focused and notInSet(focused)
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Actions.setFocus(collection: 'thread', item: nextItemFromIndex(focusedIndex))
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if keyboard and notInSet(keyboard)
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Actions.setCursorPosition(collection: 'thread', item: nextItemFromIndex(keyboardIndex))
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module.exports = new ThreadListStore()
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