element-plus
Version:
A Component Library for Vue 3
295 lines (290 loc) • 11.3 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var lodashUnified = require('lodash-unified');
var menu = require('./menu.js');
var store = require('./store.js');
var node = require('./node.js');
var config = require('./config.js');
var utils = require('./utils.js');
var types = require('./types.js');
var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
var arrays = require('../../../utils/arrays.js');
var scroll = require('../../../utils/dom/scroll.js');
var aria$1 = require('../../../utils/dom/aria.js');
var event = require('../../../constants/event.js');
var index = require('../../../hooks/use-namespace/index.js');
var types$1 = require('../../../utils/types.js');
var core = require('@vueuse/core');
var aria = require('../../../constants/aria.js');
const _sfc_main = vue.defineComponent({
name: "ElCascaderPanel",
components: {
ElCascaderMenu: menu["default"]
},
props: {
...config.CommonProps,
border: {
type: Boolean,
default: true
},
renderLabel: Function
},
emits: [event.UPDATE_MODEL_EVENT, event.CHANGE_EVENT, "close", "expand-change"],
setup(props, { emit, slots }) {
let manualChecked = false;
const ns = index.useNamespace("cascader");
const config$1 = config.useCascaderConfig(props);
let store$1 = null;
const initialLoaded = vue.ref(true);
const menuList = vue.ref([]);
const checkedValue = vue.ref(null);
const menus = vue.ref([]);
const expandingNode = vue.ref(null);
const checkedNodes = vue.ref([]);
const isHoverMenu = vue.computed(() => config$1.value.expandTrigger === "hover");
const renderLabelFn = vue.computed(() => props.renderLabel || slots.default);
const initStore = () => {
const { options } = props;
const cfg = config$1.value;
manualChecked = false;
store$1 = new store["default"](options, cfg);
menus.value = [store$1.getNodes()];
if (cfg.lazy && types$1.isEmpty(props.options)) {
initialLoaded.value = false;
lazyLoad(void 0, (list) => {
if (list) {
store$1 = new store["default"](list, cfg);
menus.value = [store$1.getNodes()];
}
initialLoaded.value = true;
syncCheckedValue(false, true);
});
} else {
syncCheckedValue(false, true);
}
};
const lazyLoad = (node$1, cb) => {
const cfg = config$1.value;
node$1 = node$1 || new node["default"]({}, cfg, void 0, true);
node$1.loading = true;
const resolve = (dataList) => {
const _node = node$1;
const parent = _node.root ? null : _node;
dataList && (store$1 == null ? void 0 : store$1.appendNodes(dataList, parent));
_node.loading = false;
_node.loaded = true;
_node.childrenData = _node.childrenData || [];
cb && cb(dataList);
};
cfg.lazyLoad(node$1, resolve);
};
const expandNode = (node, silent) => {
var _a;
const { level } = node;
const newMenus = menus.value.slice(0, level);
let newExpandingNode;
if (node.isLeaf) {
newExpandingNode = node.pathNodes[level - 2];
} else {
newExpandingNode = node;
newMenus.push(node.children);
}
if (((_a = expandingNode.value) == null ? void 0 : _a.uid) !== (newExpandingNode == null ? void 0 : newExpandingNode.uid)) {
expandingNode.value = node;
menus.value = newMenus;
!silent && emit("expand-change", (node == null ? void 0 : node.pathValues) || []);
}
};
const handleCheckChange = (node, checked, emitClose = true) => {
const { checkStrictly, multiple } = config$1.value;
const oldNode = checkedNodes.value[0];
manualChecked = true;
!multiple && (oldNode == null ? void 0 : oldNode.doCheck(false));
node.doCheck(checked);
calculateCheckedValue();
emitClose && !multiple && !checkStrictly && emit("close");
!emitClose && !multiple && !checkStrictly && expandParentNode(node);
};
const expandParentNode = (node) => {
if (!node)
return;
node = node.parent;
expandParentNode(node);
node && expandNode(node);
};
const getFlattedNodes = (leafOnly) => {
return store$1 == null ? void 0 : store$1.getFlattedNodes(leafOnly);
};
const getCheckedNodes = (leafOnly) => {
var _a;
return (_a = getFlattedNodes(leafOnly)) == null ? void 0 : _a.filter((node) => node.checked !== false);
};
const clearCheckedNodes = () => {
checkedNodes.value.forEach((node) => node.doCheck(false));
calculateCheckedValue();
menus.value = menus.value.slice(0, 1);
expandingNode.value = null;
emit("expand-change", []);
};
const calculateCheckedValue = () => {
var _a;
const { checkStrictly, multiple } = config$1.value;
const oldNodes = checkedNodes.value;
const newNodes = getCheckedNodes(!checkStrictly);
const nodes = utils.sortByOriginalOrder(oldNodes, newNodes);
const values = nodes.map((node) => node.valueByOption);
checkedNodes.value = nodes;
checkedValue.value = multiple ? values : (_a = values[0]) != null ? _a : null;
};
const syncCheckedValue = (loaded = false, forced = false) => {
const { modelValue } = props;
const { lazy, multiple, checkStrictly } = config$1.value;
const leafOnly = !checkStrictly;
if (!initialLoaded.value || manualChecked || !forced && lodashUnified.isEqual(modelValue, checkedValue.value))
return;
if (lazy && !loaded) {
const values = arrays.unique(lodashUnified.flattenDeep(arrays.castArray(modelValue)));
const nodes = values.map((val) => store$1 == null ? void 0 : store$1.getNodeByValue(val)).filter((node) => !!node && !node.loaded && !node.loading);
if (nodes.length) {
nodes.forEach((node) => {
lazyLoad(node, () => syncCheckedValue(false, forced));
});
} else {
syncCheckedValue(true, forced);
}
} else {
const values = multiple ? arrays.castArray(modelValue) : [modelValue];
const nodes = arrays.unique(values.map((val) => store$1 == null ? void 0 : store$1.getNodeByValue(val, leafOnly)));
syncMenuState(nodes, forced);
checkedValue.value = lodashUnified.cloneDeep(modelValue);
}
};
const syncMenuState = (newCheckedNodes, reserveExpandingState = true) => {
const { checkStrictly } = config$1.value;
const oldNodes = checkedNodes.value;
const newNodes = newCheckedNodes.filter((node) => !!node && (checkStrictly || node.isLeaf));
const oldExpandingNode = store$1 == null ? void 0 : store$1.getSameNode(expandingNode.value);
const newExpandingNode = reserveExpandingState && oldExpandingNode || newNodes[0];
if (newExpandingNode) {
newExpandingNode.pathNodes.forEach((node) => expandNode(node, true));
} else {
expandingNode.value = null;
}
oldNodes.forEach((node) => node.doCheck(false));
vue.reactive(newNodes).forEach((node) => node.doCheck(true));
checkedNodes.value = newNodes;
vue.nextTick(scrollToExpandingNode);
};
const scrollToExpandingNode = () => {
if (!core.isClient)
return;
menuList.value.forEach((menu) => {
const menuElement = menu == null ? void 0 : menu.$el;
if (menuElement) {
const container = menuElement.querySelector(`.${ns.namespace.value}-scrollbar__wrap`);
const activeNode = menuElement.querySelector(`.${ns.b("node")}.${ns.is("active")}`) || menuElement.querySelector(`.${ns.b("node")}.in-active-path`);
scroll.scrollIntoView(container, activeNode);
}
});
};
const handleKeyDown = (e) => {
const target = e.target;
const { code } = e;
switch (code) {
case aria.EVENT_CODE.up:
case aria.EVENT_CODE.down: {
e.preventDefault();
const distance = code === aria.EVENT_CODE.up ? -1 : 1;
aria$1.focusNode(aria$1.getSibling(target, distance, `.${ns.b("node")}[tabindex="-1"]`));
break;
}
case aria.EVENT_CODE.left: {
e.preventDefault();
const preMenu = menuList.value[utils.getMenuIndex(target) - 1];
const expandedNode = preMenu == null ? void 0 : preMenu.$el.querySelector(`.${ns.b("node")}[aria-expanded="true"]`);
aria$1.focusNode(expandedNode);
break;
}
case aria.EVENT_CODE.right: {
e.preventDefault();
const nextMenu = menuList.value[utils.getMenuIndex(target) + 1];
const firstNode = nextMenu == null ? void 0 : nextMenu.$el.querySelector(`.${ns.b("node")}[tabindex="-1"]`);
aria$1.focusNode(firstNode);
break;
}
case aria.EVENT_CODE.enter:
case aria.EVENT_CODE.numpadEnter:
utils.checkNode(target);
break;
}
};
vue.provide(types.CASCADER_PANEL_INJECTION_KEY, vue.reactive({
config: config$1,
expandingNode,
checkedNodes,
isHoverMenu,
initialLoaded,
renderLabelFn,
lazyLoad,
expandNode,
handleCheckChange
}));
vue.watch([config$1, () => props.options], initStore, {
deep: true,
immediate: true
});
vue.watch(() => props.modelValue, () => {
manualChecked = false;
syncCheckedValue();
}, {
deep: true
});
vue.watch(() => checkedValue.value, (val) => {
if (!lodashUnified.isEqual(val, props.modelValue)) {
emit(event.UPDATE_MODEL_EVENT, val);
emit(event.CHANGE_EVENT, val);
}
});
vue.onBeforeUpdate(() => menuList.value = []);
vue.onMounted(() => !types$1.isEmpty(props.modelValue) && syncCheckedValue());
return {
ns,
menuList,
menus,
checkedNodes,
handleKeyDown,
handleCheckChange,
getFlattedNodes,
getCheckedNodes,
clearCheckedNodes,
calculateCheckedValue,
scrollToExpandingNode
};
}
});
function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
const _component_el_cascader_menu = vue.resolveComponent("el-cascader-menu");
return vue.openBlock(), vue.createElementBlock("div", {
class: vue.normalizeClass([_ctx.ns.b("panel"), _ctx.ns.is("bordered", _ctx.border)]),
onKeydown: _ctx.handleKeyDown
}, [
(vue.openBlock(true), vue.createElementBlock(vue.Fragment, null, vue.renderList(_ctx.menus, (menu, index) => {
return vue.openBlock(), vue.createBlock(_component_el_cascader_menu, {
key: index,
ref_for: true,
ref: (item) => _ctx.menuList[index] = item,
index,
nodes: [...menu]
}, {
empty: vue.withCtx(() => [
vue.renderSlot(_ctx.$slots, "empty")
]),
_: 2
}, 1032, ["index", "nodes"]);
}), 128))
], 42, ["onKeydown"]);
}
var CascaderPanel = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["render", _sfc_render], ["__file", "index.vue"]]);
exports["default"] = CascaderPanel;
//# sourceMappingURL=index.js.map