function redrawTicks()

in src/components/slider/slider.js [339:380]

• 32 lines of code
• 16 McCabe index (conditional complexity)

    function redrawTicks() {
      if (!discrete || isDisabled()) return;
      if (angular.isUndefined(step))         return;

      if (step <= 0) {
        var msg = 'Slider step value must be greater than zero when in discrete mode';
        $log.error(msg);
        throw new Error(msg);
      }

      var numSteps = Math.floor((max - min) / step);
      if (!tickCanvas) {
        tickCanvas = angular.element('<canvas>').css('position', 'absolute');
        tickContainer.append(tickCanvas);

        tickCtx = tickCanvas[0].getContext('2d');
      }

      var dimensions = getSliderDimensions();

      // If `dimensions` doesn't have height and width it might be the first attempt so we will refresh dimensions
      if (dimensions && !dimensions.height && !dimensions.width) {
        refreshSliderDimensions();
        dimensions = sliderDimensions;
      }

      tickCanvas[0].width = dimensions.width;
      tickCanvas[0].height = dimensions.height;

      var distance;
      for (var i = 0; i <= numSteps; i++) {
        var trackTicksStyle = $window.getComputedStyle(tickContainer[0]);
        tickCtx.fillStyle = trackTicksStyle.color || 'black';

        distance = Math.floor((vertical ? dimensions.height : dimensions.width) * (i / numSteps));

        tickCtx.fillRect(vertical ? 0 : distance - 1,
          vertical ? distance - 1 : 0,
          vertical ? dimensions.width : 2,
          vertical ? 2 : dimensions.height);
      }
    }