d3#D3DragEvent TypeScript Examples

The following examples show how to use d3#D3DragEvent. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: Circles.tsx    From react-tutorials with MIT License 7 votes vote down vote up 
setMouseEventsListeners = () => {
    const { props } = this
    d3.selectAll('.node')
      // @ts-ignore
      .call(d3.drag<SVGCircleElement, Types.datum>().on('start', onDragStart).on('drag', onDrag).on('end', onDragEnd))

    // @ts-ignore
    function onDragStart(event: D3DragEvent<SVGCircleElement>, d: Types.datum) {
      if (!event.active) {
        props.restartDrag()
      }
      // eslint-disable-next-line no-param-reassign
      d.fx = d.x
      // eslint-disable-next-line no-param-reassign
      d.fy = d.y
    }

    function onDrag(event: D3DragEvent<SVGCircleElement, never, never>, d: Types.datum) {
      // eslint-disable-next-line no-param-reassign
      d.fx = event.x
      // eslint-disable-next-line no-param-reassign
      d.fy = event.y
    }

    function onDragEnd(event: D3DragEvent<SVGCircleElement, never, never>, d: Types.datum) {
      if (!event.active) {
        props.stopDrag()
      }
      // eslint-disable-next-line no-param-reassign
      d.fx = null
      // eslint-disable-next-line no-param-reassign
      d.fy = null
    }
  }