@ionic/core/dist/collection/components/picker-column/picker-column.css

Base components for Ionic

/**
 * Convert a font size to a dynamic font size.
 * Fonts that participate in Dynamic Type should use
 * dynamic font sizes.
 * @param size - The initial font size including the unit (i.e. px or pt)
 * @param unit (optional) - The unit to convert to. Use this if you want to
 * convert to a unit other than $baselineUnit.
 */
/**
 * Convert a font size to a dynamic font size but impose
 * a maximum font size.
 * @param size - The initial font size including the unit (i.e. px or pt)
 * @param maxScale - The maximum scale of the font (i.e. 2.5 for a maximum 250% scale).
 * @param unit (optional) - The unit to convert the initial font size to. Use this if you want to
 * convert to a unit other than $baselineUnit.
 */
/**
 * Convert a font size to a dynamic font size but impose
 * a minimum font size.
 * @param size - The initial font size including the unit (i.e. px or pt)
 * @param minScale - The minimum scale of the font (i.e. 0.8 for a minimum 80% scale).
 * @param unit (optional) - The unit to convert the initial font size to. Use this if you want to
 * convert to a unit other than $baselineUnit.
 */
/**
 * Convert a font size to a dynamic font size but impose
 * maximum and minimum font sizes.
 * @param size - The initial font size including the unit (i.e. px or pt)
 * @param minScale - The minimum scale of the font (i.e. 0.8 for a minimum 80% scale).
 * @param maxScale - The maximum scale of the font (i.e. 2.5 for a maximum 250% scale).
 * @param unit (optional) - The unit to convert the initial font size to. Use this if you want to
 * convert to a unit other than $baselineUnit.
 */
/**
 * A heuristic that applies CSS to tablet
 * viewports.
 *
 * Usage:
 * @include tablet-viewport() {
 *   :host {
 *     background-color: green;
 *   }
 * }
 */
/**
 * A heuristic that applies CSS to mobile
 * viewports (i.e. phones, not tablets).
 *
 * Usage:
 * @include mobile-viewport() {
 *   :host {
 *     background-color: blue;
 *   }
 * }
 */
:host {
  display: flex;
  position: relative;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  height: 200px;
  font-size: 22px;
  text-align: center;
}

/**
 * Renders an invisible element on top of the column that receives focus
 * events. This allows screen readers to navigate the column.
 */
.assistive-focusable {
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.assistive-focusable:focus {
  outline: none;
}

.picker-opts {
  /**
   * This padding must be set here and not on the
   * host to ensure that the focus highlight on the
   * column is not overly narrow.
   */
  -webkit-padding-start: 16px;
  padding-inline-start: 16px;
  -webkit-padding-end: 16px;
  padding-inline-end: 16px;
  padding-top: 0px;
  padding-bottom: 0px;
  /**
   * When using reactive data, such as in datetime's
   * wheel picker, there may be layout shifts between
   * individual columns in a picker as the columns
   * shrink to fit the widest item in the column.
   * Setting a minimum width avoids this layout shifting.
   *
   * Note that we need this min-width set on the same
   * element as the vertical padding (i.e. not on the
   * host).
   */
  min-width: 26px;
  max-height: 200px;
  outline: none;
  /**
   * Added so that text-align can be set on the host
   * from external components. For example, datetime
   * changes the alignment of specific columns in its
   * wheel pickers.
   */
  text-align: inherit;
  scroll-snap-type: y mandatory;
  /**
   * Need to explicitly set overflow-x: hidden
   * for older implementations of scroll snapping.
   */
  overflow-x: hidden;
  overflow-y: scroll;
  scrollbar-width: none;
}

.picker-item-empty {
  padding-left: 0;
  padding-right: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  margin-bottom: 0;
  display: block;
  width: 100%;
  height: 34px;
  border: 0px;
  outline: none;
  background: transparent;
  color: inherit;
  font-family: var(--ion-font-family, inherit);
  font-size: inherit;
  line-height: 34px;
  text-align: inherit;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

/**
 * Hide scrollbars on Chrome and Safari
 */
.picker-opts::-webkit-scrollbar {
  display: none;
}

::slotted(ion-picker-column-option) {
  display: block;
  scroll-snap-align: center;
}

.picker-item-empty,
:host(:not([disabled])) ::slotted(ion-picker-column-option.option-disabled) {
  scroll-snap-align: none;
}

::slotted([slot=prefix]), ::slotted([slot=suffix]) {
  max-width: 200px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

::slotted([slot=prefix]) {
  /**
   * This is added in addition to the column's own padding so that there is white
   * space between the slot and the column's focus highlight.
   */
  -webkit-padding-start: 16px;
  padding-inline-start: 16px;
  -webkit-padding-end: 16px;
  padding-inline-end: 16px;
  padding-top: 0;
  padding-bottom: 0;
  justify-content: end;
}

::slotted([slot=suffix]) {
  /**
   * This is added in addition to the column's own padding so that there is white
   * space between the slot and the column's focus highlight.
   */
  -webkit-padding-start: 16px;
  padding-inline-start: 16px;
  -webkit-padding-end: 16px;
  padding-inline-end: 16px;
  padding-top: 0;
  padding-bottom: 0;
  justify-content: start;
}

:host(.picker-column-disabled) .picker-opts {
  overflow-y: hidden;
}

/**
 * When the column is disabled, none of the options
 * should be interactive. However, we do not disable
 * the buttons because that would require overriding the
 * app's preference for each option. In this case,
 * the picker column interactive as a whole is
 * disabled, not individual options.
 */
:host(.picker-column-disabled) ::slotted(ion-picker-column-option) {
  cursor: default;
  opacity: 0.4;
  pointer-events: none;
}

@media (any-hover: hover) {
  :host(:focus) .picker-opts {
    outline: none;
    background: rgba(var(--ion-color-base-rgb), 0.2);
  }
}