moveSelected (dx, dy) {
    if (this.selectedElement || this.multiselected) {
      if (this.configObj.curConfig.gridSnapping) {
        // Use grid snap value regardless of zoom level
        const multi =
          this.svgCanvas.getZoom() * this.configObj.curConfig.snappingStep
        dx *= multi
        dy *= multi
      }
      this.svgCanvas.moveSelectedElements(dx, dy)
    }
  }
@param {Float} dx
@param {Float} dy
@returns {void}