formstone/src/less/range.less

Library of modular front end components.

/**
 * @component
 * @name Range
 */

@import "imports/utils.less";

// Config

@fs-range-track-background-color: #ddd;
@fs-range-track-height: 10px;

@fs-range-fill-background-color: #aaa;

@fs-range-marker-size: 20px;
@fs-range-marker-background-color: #666;

// Vertical

@fs-range-vertical-height: 300px;

@fs-range-vertical-track-width: 10px;

// Disabled

@fs-range-disabled-opacity: 0.5;

/**
 * @class
 * @name .fs-range-element
 * @type element
 * @description Target elmement
 */

/**
 * @class
 * @name .fs-range
 * @type element
 * @description Base widget class
 */

/**
 * @class
 * @name .fs-range.fs-range-focus
 * @type modifier
 * @description Indicates focused state
 */

/**
 * @class
 * @name .fs-range.fs-range-disabled
 * @type modifier
 * @description Indicates disabled state
 */

/**
 * @class
 * @name .fs-range.fs-range-labels
 * @type modifier
 * @description Indicates label display
 */

/**
 * @class
 * @name .fs-range.fs-range-vertical
 * @type modifier
 * @description Indicates vertical display
 */

.fs-range {

  width: 100%;
  height: (@fs-range-marker-size * 2);

  position: relative;

  display: flex;
  flex-wrap: nowrap;

  &,
  &:after,
  &:before,
  *,
  *:after,
  *:before {
    box-sizing: border-box;
    transition: none;
    user-select: none !important;
  }

  &-element {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1;

    opacity: 0;
    pointer-events: none;
  }

  /**
   * @class
   * @name .fs-range-track
   * @type element
   * @description Track elmement
   */

  &-track {
    width: 100%;
    height: @fs-range-track-height;

    position: relative;

    background: @fs-range-track-background-color;
    flex-grow: 1;
    margin: (@fs-range-marker-size / 2) 0;
  }

  /**
   * @class
   * @name .fs-range-fill
   * @type element
   * @description Fill elmement
   */

  &-fill {
    width: 1px;
    height: 100%;

    position: absolute;
    top: 0;
    right: auto;
    bottom: 0;
    left: 0;
    z-index: 1;

    background: @fs-range-fill-background-color;
  }

  /**
   * @class
   * @name .fs-range-handle
   * @type element
   * @description Handle elmement
   */

  &-handle {
    width: 1px;
    height: 100%;

    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 2;

    display: block;
    overflow: visible;
  }

  /**
   * @class
   * @name .fs-range-marker
   * @type element
   * @description Marker elmement
   */

  &-marker {
    width: @fs-range-marker-size;
    height: @fs-range-marker-size;

    background: @fs-range-marker-background-color;
    cursor: pointer;
    display: block;
    margin: -(@fs-range-marker-size / 4) 0 0 -(@fs-range-marker-size / 2);
  }

  // Hover

  .no-touch &:hover &-track {
  }

  .no-touch &:hover &-marker {
  }

  // Focus

  &-focus &-track {
  }

  &-focus &-marker {
  }

  // Labels

  &-labels &-track {
    width: 80%;
  }

  /**
   * @class
   * @name .fs-range-label
   * @type element
   * @description Label elmement
   */

  &-label {
    width: 8%;

    display: block;
    line-height: (@fs-range-track-height + @fs-range-marker-size);
  }

  /**
   * @class
   * @name .fs-range-label_min
   * @type element
   * @description Minimum label elmement
   */

  &-label_min {
    margin: 0 2% 0 0;
    text-align: right;
  }

  /**
   * @class
   * @name .fs-range-label_max
   * @type element
   * @description Maximum label elmement
   */

  &-label_max {
    margin: 0 0 0 2%;
    text-align: left;
  }

  // Vertical

  &-vertical {
    width: (@fs-range-marker-size * 2);
    height: @fs-range-vertical-height;

    flex-direction: column;
  }

  &-vertical &-track {
    width: @fs-range-vertical-track-width;
    height: 75%;

    margin: 0 auto;
  }

  &-vertical &-fill {
    width: 100%;
    height: 1px;

    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
  }

  &-vertical &-handle {
    width: 100%;
    height: 1px;

    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
  }

  &-vertical &-marker {
    margin: -(@fs-range-marker-size / 2) 0 0 -(@fs-range-marker-size / 4);
  }

  &-vertical &-label {
    height: 10%;
    width: 100%;

    line-height: 30px;
    margin: 0;
    text-align: center;
  }

  &-vertical &-label_min {
    padding: 0;
  }

  &-vertical &-label_max {
    padding: 0;
  }

  // Disabled

  &-disabled {
    cursor: default;
    opacity: @fs-range-disabled-opacity;
  }

  &-disabled &-marker {
    cursor: default;
  }
}