dcalc/frontend/src/components/calc/iconselect/index.vue

<script lang="tsx">
import { selectionEmits, selectionProps, useSelectionList } from "hoci"
import type { CSSProperties, PropType, RendererElement } from "vue";
import { Teleport, Transition, computed, defineComponent, onDeactivated, ref, renderSlot, watch } from "vue"

import { onClickOutside } from "@vueuse/core"

export default defineComponent({
  name: "IIconselect",
  props: {
    ...selectionProps,
    disabled: {
      type: Boolean,
      default: false
    },
    width: {
      type: Number,
      default: 28
    },
    emptyLabel: {
      type: String
    },
    columnNum: {
      type: Number,
      default: 1
    },
    appendTo: {
      type: [Object, String] as PropType<string | RendererElement | null | undefined>,
      default: "body"
    }
  },
  emits: selectionEmits,
  setup(props, context) {
    // props.itemClass = "i-select-dropdown-item"
    // const { active } = useSelectionList({ ...props, itemClass: "i-select-dropdown-item" }, context)
    const { renderItem } = useSelectionList(() => {
      return {
        ...props,
        itemClass: "i-option",
        activeClass: "active",
        unactiveClass: "unactive"
      }
    }, context)

    // const { active } = useSelectionList(props, context)
    const columnNum = computed(() => props.columnNum || 1)
    // console.log({ ...props })

    const isOpen = ref(false)
    const triggerRef = ref<HTMLElement>()

    watch(isOpen, onResize)

    const appendToRef = computed(() => {
      return props.appendTo || "body"
    })

    function collapse() {
      isOpen.value = !isOpen.value && !props.disabled
    }

    // 下拉框位置
    const dropdownPosition = ref({ x: 0, y: 0, w: 0 })
    // 下拉框位置
    const dropdownStyle = computed<CSSProperties>(() => {
      return {
        left: `${dropdownPosition.value.x}px`,
        top: `${dropdownPosition.value.y}px`,
        width: `${columnNum.value * 32 + 11}px`
      }
    })

    function onResize() {
      if (triggerRef.value) {
        const { width, height, left, top } = triggerRef.value.getBoundingClientRect()
        dropdownPosition.value = {
          w: width,
          x: left - 2,
          y: top + height + 2
        }
      }
    }

    onClickOutside(triggerRef, () => (isOpen.value = false))

    window.addEventListener("resize", onResize)
    window.addEventListener("scroll", onResize)

    onDeactivated(() => {
      window.removeEventListener("resize", onResize)
      window.removeEventListener("scroll", onResize)
    })

    const { slots } = context
    // console.log(active.value?.render())
    // console.log(active.value)
    // console.log(active.value?.render() ?? props.emptyLabel)

    return () => {
      return (
        <div class="i-icon-select" onClick={collapse}>
          <div
            class={{
              "i-select-trigger": true,
              "disabled": props.disabled
            }}
            ref={triggerRef}
          >
            <span class="i-select-label">{renderItem() ?? props.emptyLabel}</span>
          </div>
          <Teleport to={appendToRef.value}>
            <Transition name="dropdown" mode="out-in">
              <div class="i-icon-select-dropdown" style={dropdownStyle.value} v-show={isOpen.value}>
                {renderSlot(slots, "default")}
              </div>
            </Transition>
          </Teleport>
        </div>
      )
    }
  }
})
</script>

<style lang="scss">
  $text-color: #e9c556;
  .i-icon-select {
    width: 28px;
    min-width: 28px;
    user-select: none;
    outline: none;
    height: 28px;
    line-height: 100%;
    // font-size: 12px;
    color: $text-color;
    background-color: rgba(0, 0, 0, 1);
    border: 1px solid #5b472a;
    border-radius: 2px;
    padding: 0;
    margin: 0;
    display: block;

    .i-select-trigger {
      padding: 0;
      display: flex;
      height: 100%;
      opacity: 1;

      justify-content: center;
      align-items: center;

      &.disabled {
        color: gray;
      }
    }

    .i-select-trigger:hover {
      opacity: 1;
    }
  }

  .i-icon-select-dropdown {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    position: fixed;
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 480px;
    // background: rgba(255, 255, 255, 0.1);
    // font-size: 12px;
    z-index: 888;
    min-height: 28px;

    $hoverColor: #002947;
    $activeColor: lighten($hoverColor, 5%);
    color: $text-color;

    .i-option {
      // font-size: 12px;
      height: 28px;
      line-height: 28px;
      margin: 1px;
      border: none;
      outline: none;
      appearance: none;
      display: block;
      overflow: hidden;
      border: gray 1px solid;

      // &.active {
      //     background-color: $activeColor;
      // }

      &.active::before {
        content: "";
        width: 28px;
        height: 28px;
        position: absolute;
        background-image: url("/src/assets/img/control/item_checked.png");
        background-size: 80% 80%;
        background-repeat: no-repeat;
        background-position: center;
        z-index: 6;
      }

      &:hover:not(.active) ::before {
        content: "";
        width: 28px;
        height: 28px;
        position: absolute;
        background-image: url("@/assets/img/control/item_hover.png");
        background-size: 100% 100%;
        z-index: 6;
      }
    }
  }

  .dropdown-active {
    animation: dropdown-enter 0.2s ease-in;
  }

  .dropdown-active {
    animation: dropdown-leave 0.2s ease-in;
  }

  .dropdown-enter-active {
    animation: dropdown-enter 0.2s ease-in;
  }

  .dropdown-leave-active {
    animation: dropdown-leave 0.2s ease-in;
  }

  .dropdown-enter-active {
    animation: dropdown-enter 0.2s ease-in;
  }

  .dropdown-leave-active {
    animation: dropdown-leave 0.2s ease-in;
  }
</style>