Method decreaseListLevel

src/trix/models/composition.js:440–458

()

  }

  decreaseListLevel() {
    let [ startPosition ] = Array.from(this.getSelectedRange())
    const { index } = this.document.locationFromPosition(startPosition)
    let endIndex = index
    const attributeLevel = this.getBlock().getAttributeLevel()

    let block = this.document.getBlockAtIndex(endIndex + 1)
    while (block) {
      if (!block.isListItem() || block.getAttributeLevel() <= attributeLevel) {
        break
      }
      endIndex++
      block = this.document.getBlockAtIndex(endIndex + 1)
    }

    startPosition = this.document.positionFromLocation({ index, offset: 0 })
    const endPosition = this.document.positionFromLocation({ index: endIndex, offset: 0 })
    return this.setDocument(this.document.removeLastListAttributeAtRange([ startPosition, endPosition ]))
  }

  updateCurrentAttributes() {
    const selectedRange = this.getSelectedRange({ ignoreLock: true })