class app.views.Settings extends app.View  SIDEBAR_HIDDEN_LAYOUT = '_sidebar-hidden'   @el: '._settings'   @elements:    sidebar: '._sidebar'    saveBtn: 'button[type="submit"]'    backBtn: 'button[data-back]'   @events:    import: 'onImport'    change: 'onChange'    submit: 'onSubmit'    click: 'onClick'   @shortcuts:    enter: 'onEnter'   init: ->    @addSubview @docPicker = new app.views.DocPicker    return   activate: ->    if super      @render()      document.body.classList.remove(SIDEBAR_HIDDEN_LAYOUT)    return   deactivate: ->    if super      @resetClass()      @docPicker.detach()      document.body.classList.add(SIDEBAR_HIDDEN_LAYOUT) if app.settings.hasLayout(SIDEBAR_HIDDEN_LAYOUT)    return   render: ->    @docPicker.appendTo @sidebar    @refreshElements()    @addClass '_in'    return   save: (options = {}) ->    unless @saving      @saving = true       if options.import        docs = app.settings.getDocs()      else        docs = @docPicker.getSelectedDocs()        app.settings.setDocs(docs)       @saveBtn.textContent = 'Saving\u2026'      disabledDocs = new app.collections.Docs(doc for doc in app.docs.all() when docs.indexOf(doc.slug) is -1)      disabledDocs.uninstall ->        app.db.migrate()        app.reload()    return   onChange: =>    @addClass('_dirty')    return   onEnter: =>    @save()    return   onSubmit: (event) =>    event.preventDefault()    @save()    return   onImport: =>    @addClass('_dirty')    @save(import: true)    return   onClick: (event) =>    return if event.which isnt 1    if event.target is @backBtn      $.stopEvent(event)      app.router.show '/'    return