DevExtreme/packages/devextreme-scss/scss/widgets/base/cardView/header_panel/_index.scss at 01c5380e740f96a24d9cceade724568810109ecd · DevExpress/DevExtreme · GitHub

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@use "sass:meta";
@use "./item";
@use "./variables" as *;

/*
  NOTE: Maximal space needed:
  2px maximal right header item padding + 4px maximal dxSortable placeholder (drop indicator) width
  We can increase this number up to the CardView root padding without issues
*/
$sortable-side-offset: 6px;

.dx-cardview-header-item-sorting {
  display: flex;
}

.dx-cardview-headers {
  margin: $cardview-header-panel-vertical-margin 0;
}

.dx-cardview-sortable {
  position: relative;
  overflow: visible;

  /*
    NOTE: We need negative margin here for dxSortable indicator
    when placeholder position is first or last item.
    Because it shown outside the container
  */
  margin: 0 (-$sortable-side-offset);

  .dx-cardview-dropzone {
    width: calc(100% - (2 * $sortable-side-offset));
    height: $cardview-header-panel__dropzone-height;
    margin: 0 $sortable-side-offset;
    background-color: $cardview-header-panel__dropzone-bg-color;
    text-align: center;
    position: absolute;
    top: $cardview-header-panel__dropzone-top;
    left: 0;
    border-width: $cardview-header-panel__dropzone-border-width;
    border-style: dashed;
    border-color: $cardview-header-panel__dropzone-border-color;
    border-radius: $cardview-header-panel__dropzone-border-radius;
    pointer-events: none;
    opacity: 0.0;
    transition: opacity 0.3s ease-out;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;

    .dx-icon {
      color: $cardview-header-panel__dropzone__icon-color;
    }

    span {
      color: $cardview-header-panel__dropzone-text-color;
    }
  }

  .dx-cardview-dropzone-visible {
    opacity: 1.0;
    pointer-events: auto;
  }
}

.dx-cardview-headerpanel-text-empty {
  line-height: $cardview-header-panel--empty-line-height;
}

.dx-cardview-headerpanel-content {
  display: flex;

  /*
    NOTE: We compensate negative margin from dxSortable here
    Please note, that header-item-container paddings taken into account here
 */
  &--with-header-items {
    margin: 0 if(meta.type-of($sortable-side-offset) == number and meta.type-of($cardview-header-item__right-padding) == number, ($sortable-side-offset - $cardview-header-item__right-padding), calc(#{$sortable-side-offset} - #{$cardview-header-item__right-padding})) 0 if(meta.type-of($sortable-side-offset) == number and meta.type-of($cardview-header-item__left-padding) == number, ($sortable-side-offset - $cardview-header-item__left-padding), calc(#{$sortable-side-offset} - #{$cardview-header-item__left-padding}));
  }

  &--empty {
    margin: 0 $sortable-side-offset;
  }
}

/*
  NOTE: This paddings needed for align the dxSortable placeholder (drop indicator)
  in the middle between elements
 */
.dx-cardview-header-item-container {
  min-width: fit-content;
  padding: 0 $cardview-header-item__right-padding 0 $cardview-header-item__left-padding;

  /* dxSortable dims a drag source to 0.5 on this element, and opacity on a child cannot undo a
  parent's group opacity - the header item's own opt-out was inert and its text measured 3.33
  against its own background. The component marks the source with colour instead, so the dim is
  cancelled here, where it is applied. */
  &.dx-sortable-source {
    opacity: 1;
  }

  &:first-child {
    padding: 0 $cardview-header-item__right-padding 0 $cardview-header-item__left-padding;
  }
}

.dx-cardview-header-item-sort-indicator {
  border: $cardview-header-item__sort-indicator__border-size solid;
  border-color: $cardview-header-item__sort-indicator__border-color;
  border-radius: $cardview-header-item__sort-indicator__border-radius;
}