Function handleKey

src/DataSheet.js:249–297

(e)

  }

  handleKey (e) {
    if (e.isPropagationStopped && e.isPropagationStopped()) {
      return
    }
    const keyCode = e.which || e.keyCode
    const {start, end, editing} = this.getState()
    const isEditing = editing && !isEmpty(editing)
    const noCellsSelected = !start || isEmpty(start)
    const ctrlKeyPressed = e.ctrlKey || e.metaKey
    const deleteKeysPressed = (keyCode === DELETE_KEY || keyCode === BACKSPACE_KEY)
    const enterKeyPressed = keyCode === ENTER_KEY
    const numbersPressed = (keyCode >= 48 && keyCode <= 57)
    const lettersPressed = (keyCode >= 65 && keyCode <= 90)
    const latin1Supplement = (keyCode >= 160 && keyCode <= 255)
    const numPadKeysPressed = (keyCode >= 96 && keyCode <= 105)
    const currentCell = !noCellsSelected && this.props.data[start.i][start.j]
    const equationKeysPressed = [
      187, /* equal */
      189, /* substract */
      190, /* period */
      107, /* add */
      109, /* decimal point */
      110
    ].indexOf(keyCode) > -1

    if (noCellsSelected || ctrlKeyPressed) {
      return true
    }

    if (!isEditing) {
      this.handleKeyboardCellMovement(e)
      if (deleteKeysPressed) {
        e.preventDefault()
        this.clearSelectedCells(start, end)
      } else if (currentCell && !currentCell.readOnly) {
        if (enterKeyPressed) {
          this._setState({editing: start, clear: {}, forceEdit: true})
          e.preventDefault()
        } else if (numbersPressed ||
            numPadKeysPressed ||
            lettersPressed ||
            latin1Supplement ||
            equationKeysPressed) {
          // empty out cell if user starts typing without pressing enter
          this._setState({editing: start, clear: start, forceEdit: false})
        }
      }
    }
  }

  getSelectedCells (data, start, end) {
    let selected = []