ContrAtom/lib/suggested-definition.js

const {SelectListView} = require('atom-space-pen-views')

module.exports = class SuggestedDefinition extends SelectListView {
  constructor () {
    super()

    this.editor = null

    this.addClass('overlay from-top')

    this.panel = atom.workspace.addModalPanel({
      item: this.getElement(),
      visible: false
    })
  }

  viewForItem (item) {
    return `<li>${item}</li>`
  }

  confirmed (item) {
    this.hide()

    const position = this.editor.getCursorBufferPosition()
    const definition = `${item}_ `

    this.editor.insertText(definition)

    position.column = position.column + definition.length
    this.editor.setCursorBufferPosition(position)
  }

  cancelled () {
    this.hide()

    this.editor.component.didFocus()
  }

  // Returns an object that can be retrieved when package is activated
  serialize () {}

  // Tear down any state and detach
  destroy () {
    this.element.remove()
  }

  getElement () {
    return this.element
  }

  show (editor, items) {
    this.editor = editor

    this.setItems(items)

    this.panel.show()

    this.focusFilterEditor()
  }

  hide () {
    this.panel.hide()
  }
}