'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var vue = require('vue');
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var lodashUnified = require('lodash-unified');
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require('../../../utils/index.js');
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require('../../../constants/index.js');
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require('../../../hooks/index.js');
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var menu = require('./menu.js');
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var store = require('./store.js');
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var node = require('./node.js');
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var config = require('./config.js');
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var utils = require('./utils.js');
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var types$1 = require('./types.js');
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var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
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var event = require('../../../constants/event.js');
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var index = require('../../../hooks/use-namespace/index.js');
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var types = require('../../../utils/types.js');
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var arrays = require('../../../utils/arrays.js');
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var core = require('@vueuse/core');
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var scroll = require('../../../utils/dom/scroll.js');
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var aria = require('../../../constants/aria.js');
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var aria$1 = require('../../../utils/dom/aria.js');
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const _sfc_main = vue.defineComponent({
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name: "ElCascaderPanel",
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components: {
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ElCascaderMenu: menu["default"]
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},
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props: {
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...config.CommonProps,
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border: {
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type: Boolean,
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default: true
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},
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renderLabel: Function
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},
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emits: [event.UPDATE_MODEL_EVENT, event.CHANGE_EVENT, "close", "expand-change"],
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setup(props, { emit, slots }) {
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let manualChecked = false;
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const ns = index.useNamespace("cascader");
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const config$1 = config.useCascaderConfig(props);
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let store$1 = null;
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const initialLoaded = vue.ref(true);
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const menuList = vue.ref([]);
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const checkedValue = vue.ref(null);
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const menus = vue.ref([]);
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const expandingNode = vue.ref(null);
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const checkedNodes = vue.ref([]);
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const isHoverMenu = vue.computed(() => config$1.value.expandTrigger === "hover");
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const renderLabelFn = vue.computed(() => props.renderLabel || slots.default);
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const initStore = () => {
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const { options } = props;
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const cfg = config$1.value;
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manualChecked = false;
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store$1 = new store["default"](options, cfg);
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menus.value = [store$1.getNodes()];
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if (cfg.lazy && types.isEmpty(props.options)) {
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initialLoaded.value = false;
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lazyLoad(void 0, (list) => {
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if (list) {
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store$1 = new store["default"](list, cfg);
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menus.value = [store$1.getNodes()];
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}
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initialLoaded.value = true;
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syncCheckedValue(false, true);
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});
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} else {
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syncCheckedValue(false, true);
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}
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};
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const lazyLoad = (node$1, cb) => {
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const cfg = config$1.value;
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node$1 = node$1 || new node["default"]({}, cfg, void 0, true);
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node$1.loading = true;
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const resolve = (dataList) => {
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const _node = node$1;
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const parent = _node.root ? null : _node;
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dataList && (store$1 == null ? void 0 : store$1.appendNodes(dataList, parent));
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_node.loading = false;
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_node.loaded = true;
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_node.childrenData = _node.childrenData || [];
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cb && cb(dataList);
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};
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cfg.lazyLoad(node$1, resolve);
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};
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const expandNode = (node, silent) => {
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var _a;
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const { level } = node;
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const newMenus = menus.value.slice(0, level);
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let newExpandingNode;
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if (node.isLeaf) {
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newExpandingNode = node.pathNodes[level - 2];
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} else {
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newExpandingNode = node;
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newMenus.push(node.children);
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}
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if (((_a = expandingNode.value) == null ? void 0 : _a.uid) !== (newExpandingNode == null ? void 0 : newExpandingNode.uid)) {
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expandingNode.value = node;
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menus.value = newMenus;
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!silent && emit("expand-change", (node == null ? void 0 : node.pathValues) || []);
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}
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};
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const handleCheckChange = (node, checked, emitClose = true) => {
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const { checkStrictly, multiple } = config$1.value;
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const oldNode = checkedNodes.value[0];
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manualChecked = true;
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!multiple && (oldNode == null ? void 0 : oldNode.doCheck(false));
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node.doCheck(checked);
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calculateCheckedValue();
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emitClose && !multiple && !checkStrictly && emit("close");
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!emitClose && !multiple && !checkStrictly && expandParentNode(node);
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};
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const expandParentNode = (node) => {
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if (!node)
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return;
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node = node.parent;
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expandParentNode(node);
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node && expandNode(node);
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};
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const getFlattedNodes = (leafOnly) => {
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return store$1 == null ? void 0 : store$1.getFlattedNodes(leafOnly);
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};
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const getCheckedNodes = (leafOnly) => {
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var _a;
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return (_a = getFlattedNodes(leafOnly)) == null ? void 0 : _a.filter((node) => node.checked !== false);
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};
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const clearCheckedNodes = () => {
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checkedNodes.value.forEach((node) => node.doCheck(false));
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calculateCheckedValue();
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menus.value = menus.value.slice(0, 1);
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expandingNode.value = null;
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emit("expand-change", []);
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};
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const calculateCheckedValue = () => {
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var _a;
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const { checkStrictly, multiple } = config$1.value;
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const oldNodes = checkedNodes.value;
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const newNodes = getCheckedNodes(!checkStrictly);
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const nodes = utils.sortByOriginalOrder(oldNodes, newNodes);
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const values = nodes.map((node) => node.valueByOption);
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checkedNodes.value = nodes;
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checkedValue.value = multiple ? values : (_a = values[0]) != null ? _a : null;
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};
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const syncCheckedValue = (loaded = false, forced = false) => {
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const { modelValue } = props;
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const { lazy, multiple, checkStrictly } = config$1.value;
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const leafOnly = !checkStrictly;
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if (!initialLoaded.value || manualChecked || !forced && lodashUnified.isEqual(modelValue, checkedValue.value))
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return;
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if (lazy && !loaded) {
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const values = arrays.unique(lodashUnified.flattenDeep(arrays.castArray(modelValue)));
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const nodes = values.map((val) => store$1 == null ? void 0 : store$1.getNodeByValue(val)).filter((node) => !!node && !node.loaded && !node.loading);
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if (nodes.length) {
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nodes.forEach((node) => {
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lazyLoad(node, () => syncCheckedValue(false, forced));
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});
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} else {
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syncCheckedValue(true, forced);
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}
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} else {
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const values = multiple ? arrays.castArray(modelValue) : [modelValue];
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const nodes = arrays.unique(values.map((val) => store$1 == null ? void 0 : store$1.getNodeByValue(val, leafOnly)));
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syncMenuState(nodes, forced);
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checkedValue.value = lodashUnified.cloneDeep(modelValue);
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}
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};
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const syncMenuState = (newCheckedNodes, reserveExpandingState = true) => {
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const { checkStrictly } = config$1.value;
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const oldNodes = checkedNodes.value;
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const newNodes = newCheckedNodes.filter((node) => !!node && (checkStrictly || node.isLeaf));
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const oldExpandingNode = store$1 == null ? void 0 : store$1.getSameNode(expandingNode.value);
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const newExpandingNode = reserveExpandingState && oldExpandingNode || newNodes[0];
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if (newExpandingNode) {
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newExpandingNode.pathNodes.forEach((node) => expandNode(node, true));
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} else {
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expandingNode.value = null;
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}
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oldNodes.forEach((node) => node.doCheck(false));
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newNodes.forEach((node) => node.doCheck(true));
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checkedNodes.value = newNodes;
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vue.nextTick(scrollToExpandingNode);
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};
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const scrollToExpandingNode = () => {
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if (!core.isClient)
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return;
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menuList.value.forEach((menu) => {
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const menuElement = menu == null ? void 0 : menu.$el;
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if (menuElement) {
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const container = menuElement.querySelector(`.${ns.namespace.value}-scrollbar__wrap`);
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const activeNode = menuElement.querySelector(`.${ns.b("node")}.${ns.is("active")}`) || menuElement.querySelector(`.${ns.b("node")}.in-active-path`);
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scroll.scrollIntoView(container, activeNode);
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}
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});
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};
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const handleKeyDown = (e) => {
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const target = e.target;
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const { code } = e;
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switch (code) {
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case aria.EVENT_CODE.up:
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case aria.EVENT_CODE.down: {
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e.preventDefault();
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const distance = code === aria.EVENT_CODE.up ? -1 : 1;
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aria$1.focusNode(aria$1.getSibling(target, distance, `.${ns.b("node")}[tabindex="-1"]`));
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break;
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}
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case aria.EVENT_CODE.left: {
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e.preventDefault();
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const preMenu = menuList.value[utils.getMenuIndex(target) - 1];
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const expandedNode = preMenu == null ? void 0 : preMenu.$el.querySelector(`.${ns.b("node")}[aria-expanded="true"]`);
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aria$1.focusNode(expandedNode);
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break;
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}
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case aria.EVENT_CODE.right: {
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e.preventDefault();
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const nextMenu = menuList.value[utils.getMenuIndex(target) + 1];
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const firstNode = nextMenu == null ? void 0 : nextMenu.$el.querySelector(`.${ns.b("node")}[tabindex="-1"]`);
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aria$1.focusNode(firstNode);
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break;
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}
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case aria.EVENT_CODE.enter:
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utils.checkNode(target);
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break;
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}
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};
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vue.provide(types$1.CASCADER_PANEL_INJECTION_KEY, vue.reactive({
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config: config$1,
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expandingNode,
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checkedNodes,
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isHoverMenu,
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initialLoaded,
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renderLabelFn,
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lazyLoad,
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expandNode,
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handleCheckChange
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}));
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vue.watch([config$1, () => props.options], initStore, {
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deep: true,
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immediate: true
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});
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vue.watch(() => props.modelValue, () => {
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manualChecked = false;
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syncCheckedValue();
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}, {
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deep: true
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});
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vue.watch(() => checkedValue.value, (val) => {
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if (!lodashUnified.isEqual(val, props.modelValue)) {
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emit(event.UPDATE_MODEL_EVENT, val);
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emit(event.CHANGE_EVENT, val);
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}
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});
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vue.onBeforeUpdate(() => menuList.value = []);
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vue.onMounted(() => !types.isEmpty(props.modelValue) && syncCheckedValue());
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return {
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ns,
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menuList,
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menus,
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checkedNodes,
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handleKeyDown,
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handleCheckChange,
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getFlattedNodes,
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getCheckedNodes,
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clearCheckedNodes,
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calculateCheckedValue,
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scrollToExpandingNode
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};
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}
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});
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function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
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const _component_el_cascader_menu = vue.resolveComponent("el-cascader-menu");
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return vue.openBlock(), vue.createElementBlock("div", {
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class: vue.normalizeClass([_ctx.ns.b("panel"), _ctx.ns.is("bordered", _ctx.border)]),
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onKeydown: _cache[0] || (_cache[0] = (...args) => _ctx.handleKeyDown && _ctx.handleKeyDown(...args))
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}, [
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(vue.openBlock(true), vue.createElementBlock(vue.Fragment, null, vue.renderList(_ctx.menus, (menu, index) => {
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return vue.openBlock(), vue.createBlock(_component_el_cascader_menu, {
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key: index,
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ref_for: true,
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ref: (item) => _ctx.menuList[index] = item,
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index,
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nodes: [...menu]
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}, null, 8, ["index", "nodes"]);
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}), 128))
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], 34);
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}
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var CascaderPanel = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["render", _sfc_render], ["__file", "/home/runner/work/element-plus/element-plus/packages/components/cascader-panel/src/index.vue"]]);
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exports["default"] = CascaderPanel;
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//# sourceMappingURL=index.js.map
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