import { b as isArrayChildren, w as withInstall } from "../badge/index2.js";
import { defineComponent, useSlots, reactive, ref, computed, provide, shallowRef, watch, nextTick, onMounted, openBlock, createElementBlock, normalizeClass, createElementVNode, normalizeStyle, unref, createCommentVNode, Fragment, renderList, withModifiers, createBlock, createVNode, renderSlot, h, createTextVNode } from "vue";
import { _ as _sfc_main$2E } from "../checkbox/index2.js";
import { T as TabInjectKey, _ as _sfc_main$1 } from "../tabItem/index2.js";
import { R as RenderFunction } from "../dropdown/index2.js";
import { a as useResizeObserver } from "../_chunks/@vueuse/index.js";
var index = /* @__PURE__ */ (() => '.layui-tab{display:flex;margin:10px 0;text-align:left!important}.layui-tab[overflow]>.layui-tab-head>.layui-tab-title{overflow:hidden}.layui-tab.is-left{flex-direction:row}.layui-tab.is-right{flex-direction:row-reverse;justify-content:space-between}.layui-tab.is-top{flex-direction:column}.layui-tab.is-bottom{flex-direction:column-reverse}.layui-tab-head{display:inline-block;overflow:hidden}.layui-tab-card .layui-tab-head{background-color:var(--global-neutral-color-1)}.layui-tab-title{position:relative;left:0;height:40px;white-space:nowrap;font-size:0;border-bottom-width:1px;border-bottom-style:solid;transition:all .2s;-webkit-transition:all .2s}.layui-tab-title li{display:inline-block;vertical-align:middle;font-size:14px;transition:all .2s;-webkit-transition:all .2s;position:relative;line-height:40px;min-width:65px;padding:0 15px;text-align:center;cursor:pointer;user-select:none}.layui-tab-title li a{display:block;padding:0 15px;margin:0 -15px}.layui-tab-head.is-top,.layui-tab-head.is-bottom,.layui-tab-title.is-top,.layui-tab-title.is-bottom{width:100%;position:relative}.layui-tab-title.is-right,.layui-tab-title.is-left{height:100%;min-width:60px;border-bottom-width:0px;border-bottom-style:none}.layui-tab-title.is-left li{display:list-item;margin-right:-1px}.layui-tab-title.is-right li{display:list-item;margin-left:-1px}.layui-tab-title.is-top li,.layui-tab-title.is-bottom li{border-bottom:1px solid #eeeeee}.layui-tab-title.is-right{border-left:1px solid var(--global-neutral-color-3)}.layui-tab-title.is-left{border-right:1px solid var(--global-neutral-color-3)}.layui-tab-title .layui-this{color:#000;background-color:#fff}.layui-tab-title .layui-this:after{position:absolute;left:0;top:0;content:"";width:100%;height:41px;border-width:1px;border-style:solid;border-bottom-color:#fff;border-radius:2px 2px 0 0;box-sizing:border-box;pointer-events:none}.layui-tab-title.is-left .layui-this:after{border:1px solid var(--global-neutral-color-3);border-right-color:#fff}.layui-tab-title.is-right .layui-this:after{border:1px solid var(--global-neutral-color-3);border-left-color:#fff}.layui-tab-brief>.layui-tab-head{background-color:transparent}.layui-tab-brief>.layui-tab-head>.layui-tab-title .layui-this{color:var(--global-primary-color)}.layui-tab-brief>.layui-tab-head>.layui-tab-more li.layui-this:after,.layui-tab-brief>.layui-tab-head>.layui-tab-title .layui-this:after{border:none;border-radius:0}.layui-tab-brief>.layui-tab-head.is-right>.layui-tab-title{border-left:1px solid var(--global-neutral-color-3)}.layui-tab-brief>.layui-tab-head.is-left>.layui-tab-title{border-right:1px solid var(--global-neutral-color-3)}.layui-tab-brief[overflow]>.layui-tab-head>.layui-tab-title .layui-this:after{top:-1px}.layui-tab-brief>.layui-tab-head.is-right>.layui-tab-title li,.layui-tab-brief>.layui-tab-head.is-left>.layui-tab-title li{margin-right:0}.layui-tab-brief>.layui-tab-head.is-top>.layui-tab-title li,.layui-tab-brief>.layui-tab-head.is-top>.layui-tab-title li{margin-top:0;margin-bottom:0}.layui-tab-card{border-width:1px;border-style:solid;border-radius:2px;box-shadow:0 2px 5px #0000001a}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-top{margin-top:-1px;margin-left:-1px}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-right,.layui-tab-card>.layui-tab-head>.layui-tab-title.is-left{margin-right:-1px;margin-left:-1px}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-bottom li{margin-top:-1px}.layui-tab-card>.layui-tab-head>.layui-tab-title .layui-this:after{border-radius:0}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-bottom{border-top:1px solid var(--global-neutral-color-3);margin-bottom:-2px;margin-left:-1px}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-left li,.layui-tab-card>.layui-tab-head>.layui-tab-title.is-right li{margin-top:-1px;margin-bottom:-1px}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-top .layui-this:after{border:1px solid var(--global-neutral-color-3);border-bottom-color:#fff}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-bottom .layui-this:after{border:1px solid var(--global-neutral-color-3);border-top-color:#fff}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-left .layui-this:after{border:1px solid var(--global-neutral-color-3);border-right-color:#fff}.layui-tab-card>.layui-tab-head>.layui-tab-title.is-right .layui-this:after{border:1px solid var(--global-neutral-color-3);border-left-color:#fff}.layui-tab-card>.layui-tab-head .layui-tab-bar{width:40px;line-height:40px;border-radius:0;border-top:none;border-right:none}.layui-tab-card>.layui-tab-more .layui-this{background:0 0;color:var(--global-checked-color)}.layui-tab-card>.layui-tab-more .layui-this:after{border:none}.layui-tab-bar{position:absolute;right:0;top:0;z-index:10;width:30px;height:39px;line-height:39px;border-width:1px;border-style:solid;border-radius:2px;text-align:center;background-color:#fff;cursor:pointer}.layui-tab-bar.prev{left:0;right:auto;border-right:1px solid var(--global-neutral-color-3)!important;border-left:none!important}.layui-tab-bar .layui-icon{top:3px;font-size:13.6px;display:inline-block;transition:all .3s;-webkit-transition:all .3s}.layui-tab-item{display:none}.layui-tab-more{padding-right:30px;height:auto!important;white-space:normal!important}.layui-tab-more li.layui-this:after{border-bottom-color:var(--global-neutral-color-3);border-radius:2px}.layui-tab-more .layui-tab-bar .layui-icon{top:-2px;-webkit-transform:rotate(180deg);transform:rotate(180deg)}.layui-tab-title li .layui-tab-close{position:relative;display:inline-block;width:18px;height:18px;line-height:20px;margin-left:8px;top:1px;text-align:center;font-size:14px;color:var(--global-neutral-color-8);transition:all .2s;-webkit-transition:all .2s}.layui-tab-title li .layui-tab-close:hover{border-radius:2px;background-color:#ff5722;color:#fff}.layui-tab-content{padding:15px 0;flex:1}.layui-tab.is-right>.layui-tab-content,.layui-tab.is-left>.layui-tab-content{height:100%;padding:0 10px;display:inline-block;vertical-align:top}.layui-tab-active-bar{position:absolute;bottom:0px;left:0;height:1.5px;background-color:var(--global-checked-color);z-index:2;list-style:none;box-sizing:border-box;pointer-events:none}.is-top .layui-tab-active-bar{bottom:-1px;height:1.5px}.is-left .layui-tab-active-bar{left:auto;right:-1px;top:0;bottom:auto;width:1.5px}.is-right .layui-tab-active-bar{left:-1px;right:auto;top:0;bottom:auto;width:1.5px}\n')();
const _hoisted_1 = ["onClick"];
const _hoisted_2 = ["onClick"];
const _hoisted_3 = { class: "layui-tab-content" };
const __default__ = {
  name: "LayTab"
};
const _sfc_main = defineComponent({
  ...__default__,
  props: {
    type: null,
    modelValue: null,
    allowClose: { type: Boolean },
    tabPosition: { default: "top" },
    beforeClose: null,
    beforeLeave: null,
    activeBarTransition: { type: Boolean }
  },
  emits: ["update:modelValue", "change", "close"],
  setup(__props, { emit }) {
    const props = __props;
    const slot = useSlots();
    const tabMap = reactive(/* @__PURE__ */ new Map());
    const childrens = ref([]);
    const setItemInstanceBySlot = function(nodes) {
      nodes == null ? void 0 : nodes.map((item) => {
        if (isArrayChildren(item, item.children)) {
          setItemInstanceBySlot(item.children);
        } else {
          if (item.type.name == _sfc_main$1.name) {
            childrens.value.push(item);
          }
        }
      });
    };
    const active = computed({
      get() {
        return props.modelValue;
      },
      set(val) {
        emit("update:modelValue", val);
      }
    });
    const tabItems = computed(() => {
      const tabData = [];
      childrens.value.forEach((item) => {
        var _a;
        const tab = tabMap.get((_a = item.props) == null ? void 0 : _a.id);
        if (tab)
          tabData.push(tab);
      });
      return tabData;
    });
    const addItem = (id, data) => {
      tabMap.set(id, data);
    };
    const removeItem = (id) => {
      tabMap.delete(id);
    };
    provide(TabInjectKey, reactive({
      active,
      addItem,
      removeItem
    }));
    const change = function(id) {
      if (props.beforeLeave && props.beforeLeave(id) === false) {
        return;
      }
      emit("update:modelValue", id);
      emit("change", id);
    };
    const close = function(index2, id) {
      if (props.beforeClose && props.beforeClose(id) === false) {
        return;
      }
      childrens.value.splice(index2, 1);
      if (active.value === id) {
        const nextChildren = childrens.value[index2 === childrens.value.length ? 0 : index2];
        change(nextChildren && nextChildren.props ? nextChildren.props.id : "");
      }
      emit("close", id);
    };
    const activeBarRef = shallowRef(void 0);
    const activeEl = shallowRef(void 0);
    const tabBarStyle = ref();
    const getBarStyle = () => {
      let offset = 0;
      let tabSize = 0;
      const sizeName2 = props.tabPosition === "top" || props.tabPosition === "bottom" ? "width" : "height";
      const axis = sizeName2 === "width" ? "X" : "Y";
      const position = axis === "X" ? "left" : "top";
      const el = activeEl.value;
      const activeElParentElement = navRef.value;
      if (!el || !activeElParentElement)
        return;
      const rect = el == null ? void 0 : el.getBoundingClientRect();
      const parentRect = activeElParentElement == null ? void 0 : activeElParentElement.getBoundingClientRect();
      offset = rect[position] - parentRect[position];
      tabSize = el.getBoundingClientRect()[sizeName2];
      return {
        [sizeName2]: `${tabSize}px`,
        transform: `translate${axis}(${offset}px)`,
        transition: props.activeBarTransition ? `transform .3s` : ""
      };
    };
    const navRef = shallowRef(void 0);
    const scrollable = ref(false);
    const navOffset = ref(0);
    const navStyle = computed(() => {
      var _a, _b;
      const axis = props.tabPosition === "top" || props.tabPosition === "bottom" ? "X" : "Y";
      const position = axis === "X" ? "left" : "top";
      const scrollPrevSize = (_b = (_a = scrollPrevRef.value) == null ? void 0 : _a[`offset${sizeName.value}`]) != null ? _b : 0;
      return {
        transform: `translate${axis}(-${navOffset.value}px)`,
        [position]: scrollable.value ? `${scrollPrevSize}px` : 0
      };
    });
    const sizeName = computed(() => {
      return props.tabPosition === "top" || props.tabPosition === "bottom" ? "Width" : "Height";
    });
    const getNavSize = function() {
      var _a;
      let size = 0;
      const nodeList = (_a = navRef.value) == null ? void 0 : _a.querySelectorAll("li");
      nodeList == null ? void 0 : nodeList.forEach((item) => {
        size += item[`offset${sizeName.value}`];
      });
      return size;
    };
    const scrollPrev = function() {
      if (!navRef.value)
        return;
      const containerSize = navRef.value[`offset${sizeName.value}`];
      const currentOffset = navOffset.value;
      if (!currentOffset)
        return;
      let newOffset = currentOffset > containerSize ? currentOffset - containerSize : 0;
      navOffset.value = newOffset;
    };
    const scrollNextRef = shallowRef(void 0);
    const scrollPrevRef = shallowRef(void 0);
    const scrollNext = function() {
      var _a, _b, _c, _d;
      if (!navRef.value)
        return;
      const navSize = getNavSize();
      const containerSize = navRef.value[`offset${sizeName.value}`];
      const currentOffset = navOffset.value;
      const scrollNextSize = (_b = (_a = scrollNextRef.value) == null ? void 0 : _a[`offset${sizeName.value}`]) != null ? _b : 0;
      const scrollPrevSize = (_d = (_c = scrollPrevRef.value) == null ? void 0 : _c[`offset${sizeName.value}`]) != null ? _d : 0;
      if (navSize - currentOffset <= containerSize)
        return;
      let newOffset = navSize - currentOffset > containerSize * 2 ? currentOffset + containerSize : navSize - containerSize + scrollNextSize + scrollPrevSize;
      navOffset.value = newOffset;
    };
    const headRef = shallowRef(void 0);
    const scrollToActiveTab = function() {
      var _a, _b, _c, _d;
      if (!scrollable.value)
        return;
      const activeTab = activeEl.value;
      const container = headRef.value;
      if (!activeTab || !container)
        return;
      const activeTabRect = activeTab == null ? void 0 : activeTab.getBoundingClientRect();
      const containerRect = container == null ? void 0 : container.getBoundingClientRect();
      const isHorizontal = ["top", "bottom"].includes(props.tabPosition);
      const currentOffset = navOffset.value;
      let newOffset = currentOffset;
      const navSize = getNavSize();
      const scrollNextSize = (_b = (_a = scrollNextRef.value) == null ? void 0 : _a[`offset${sizeName.value}`]) != null ? _b : 0;
      const scrollPrevSize = (_d = (_c = scrollPrevRef.value) == null ? void 0 : _c[`offset${sizeName.value}`]) != null ? _d : 0;
      const maxOffset = isHorizontal ? navSize - containerRect.width + scrollNextSize + scrollPrevSize : navSize - containerRect.height + scrollNextSize + scrollPrevSize;
      if (isHorizontal) {
        if (activeTabRect.left < containerRect.left) {
          newOffset = currentOffset - (containerRect.left - activeTabRect.left);
          newOffset -= scrollPrevSize;
        }
        if (activeTabRect.right > containerRect.right) {
          newOffset = currentOffset + activeTabRect.right - containerRect.right;
          newOffset += scrollNextSize;
        }
      } else {
        if (activeTabRect.top < containerRect.top) {
          newOffset = currentOffset - (containerRect.top - activeTabRect.top);
        }
        if (activeTabRect.bottom > containerRect.bottom) {
          newOffset = currentOffset + (activeTabRect.bottom - containerRect.bottom);
        }
      }
      newOffset = Math.max(newOffset, 0);
      navOffset.value = Math.min(newOffset, maxOffset);
    };
    const update = () => {
      var _a, _b, _c, _d, _e;
      if (!navRef.value)
        return;
      activeEl.value = (_a = navRef.value) == null ? void 0 : _a.querySelector(".layui-this");
      tabBarStyle.value = getBarStyle();
      if (props.tabPosition !== "top" && props.tabPosition !== "bottom")
        return;
      const navSize = getNavSize();
      const containerSize = navRef.value[`offset${sizeName.value}`];
      const currentOffset = navOffset.value;
      const scrollNextSize = (_c = (_b = scrollNextRef.value) == null ? void 0 : _b[`offset${sizeName.value}`]) != null ? _c : 0;
      const scrollPrevSize = (_e = (_d = scrollPrevRef.value) == null ? void 0 : _d[`offset${sizeName.value}`]) != null ? _e : 0;
      if (containerSize < navSize) {
        const currentOffset2 = navOffset.value;
        scrollable.value = true;
        if (navSize - currentOffset2 < containerSize) {
          navOffset.value = navSize - containerSize + scrollNextSize + scrollPrevSize;
        }
        scrollToActiveTab();
      } else {
        scrollable.value = false;
        if (currentOffset > 0) {
          navOffset.value = 0;
        }
      }
    };
    const horizontalScroll = (e) => {
      var _a, _b;
      e.preventDefault();
      const navSize = getNavSize();
      const containerSize = navRef.value[`offset${sizeName.value}`];
      const currentOffset = navOffset.value;
      const scrollNextSize = (_b = (_a = scrollNextRef.value) == null ? void 0 : _a[`offset${sizeName.value}`]) != null ? _b : 0;
      const direction = Math.abs(e.deltaX) >= Math.abs(e.deltaY) ? e.deltaX : e.deltaY;
      const distance = 50 * (direction > 0 ? 1 : -1);
      const newOffset = Math.max(currentOffset + distance, 0);
      if (navSize - currentOffset <= containerSize - scrollNextSize && direction > 0)
        return;
      navOffset.value = newOffset;
    };
    const renderTabIcon = (attrs) => {
      const tab = attrs.tabData;
      if (typeof tab.icon === "function") {
        return tab.icon();
      } else if (typeof tab.icon === "string") {
        return h(_sfc_main$2E, {
          type: tab.icon,
          style: "margin-right: 8px;"
        });
      }
    };
    const renderTabTitle = (attrs) => {
      var _a, _b;
      const tab = attrs.tabData;
      if ((_a = tab.slots) == null ? void 0 : _a.title) {
        return h(Fragment, ((_b = tab.slots) == null ? void 0 : _b.title) && tab.slots.title());
      }
      if (typeof tab.title === "function") {
        return tab.title();
      } else if (typeof tab.title === "string") {
        return createTextVNode(tab.title);
      }
    };
    useResizeObserver(navRef, update);
    watch(tabMap, () => {
      childrens.value = [];
      setItemInstanceBySlot(slot.default && slot.default());
    }, { immediate: true });
    watch(() => [
      props.modelValue,
      props.tabPosition,
      props.type,
      childrens.value.length
    ], async () => {
      await nextTick();
      update();
    });
    onMounted(() => {
      update();
      scrollToActiveTab();
    });
    provide("active", active);
    return (_ctx, _cache) => {
      return openBlock(), createElementBlock("div", {
        class: normalizeClass(["layui-tab", [
          __props.type ? "layui-tab-" + __props.type : "",
          props.tabPosition ? `is-${__props.tabPosition}` : ""
        ]])
      }, [
        createElementVNode("div", {
          ref_key: "headRef",
          ref: headRef,
          class: normalizeClass(["layui-tab-head", props.tabPosition ? `is-${__props.tabPosition}` : ""])
        }, [
          createElementVNode("ul", {
            ref_key: "navRef",
            ref: navRef,
            onWheel: horizontalScroll,
            class: normalizeClass([
              "layui-tab-title",
              props.tabPosition ? `is-${__props.tabPosition}` : ""
            ]),
            style: normalizeStyle(unref(navStyle))
          }, [
            __props.type === "brief" ? (openBlock(), createElementBlock("div", {
              key: 0,
              ref_key: "activeBarRef",
              ref: activeBarRef,
              class: "layui-tab-active-bar",
              style: normalizeStyle(tabBarStyle.value)
            }, null, 4)) : createCommentVNode("", true),
            (openBlock(true), createElementBlock(Fragment, null, renderList(unref(tabItems), (child, index2) => {
              return openBlock(), createElementBlock("li", {
                key: child.id,
                class: normalizeClass([child.id === unref(active) ? "layui-this" : ""]),
                onClick: withModifiers(($event) => change(child.id), ["stop"])
              }, [
                createElementVNode("span", null, [
                  child["icon"] ? (openBlock(), createBlock(unref(RenderFunction), {
                    key: 0,
                    renderFunc: renderTabIcon,
                    tabData: child
                  }, null, 8, ["tabData"])) : createCommentVNode("", true),
                  createVNode(unref(RenderFunction), {
                    renderFunc: renderTabTitle,
                    tabData: child
                  }, null, 8, ["tabData"])
                ]),
                __props.allowClose && child.closable != false ? (openBlock(), createElementBlock("i", {
                  key: 0,
                  class: "layui-icon layui-icon-close layui-unselect layui-tab-close",
                  onClick: withModifiers(($event) => close(index2, child.id), ["stop"])
                }, null, 8, _hoisted_2)) : createCommentVNode("", true)
              ], 10, _hoisted_1);
            }), 128))
          ], 38),
          scrollable.value ? (openBlock(), createElementBlock("span", {
            key: 0,
            ref_key: "scrollPrevRef",
            ref: scrollPrevRef,
            class: "layui-unselect layui-tab-bar prev",
            onClick: scrollPrev
          }, [
            createVNode(unref(_sfc_main$2E), { type: "layui-icon-left" })
          ], 512)) : createCommentVNode("", true),
          scrollable.value ? (openBlock(), createElementBlock("span", {
            key: 1,
            ref_key: "scrollNextRef",
            ref: scrollNextRef,
            class: "layui-unselect layui-tab-bar",
            onClick: scrollNext
          }, [
            createVNode(unref(_sfc_main$2E), { type: "layui-icon-right" })
          ], 512)) : createCommentVNode("", true)
        ], 2),
        createElementVNode("div", _hoisted_3, [
          renderSlot(_ctx.$slots, "default")
        ])
      ], 2);
    };
  }
});
const component = withInstall(_sfc_main);
export { component as default };