element-plus/lib/components/tree/src/tree-node.vue2.js

A Component Library for Vue 3

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var vue = require('vue');
var index$2 = require('../../collapse-transition/index.js');
var index$1 = require('../../checkbox/index.js');
var index = require('../../icon/index.js');
var iconsVue = require('@element-plus/icons-vue');
var treeNodeContent_vue_vue_type_script_lang = require('./tree-node-content.vue2.js');
var util = require('./model/util.js');
var useNodeExpandEventBroadcast = require('./model/useNodeExpandEventBroadcast.js');
var useDragNode = require('./model/useDragNode.js');
var node = require('./model/node.js');
var tokens = require('./tokens.js');
var index$3 = require('../../../hooks/use-namespace/index.js');
var error = require('../../../utils/error.js');
var shared = require('@vue/shared');

var _sfc_main = vue.defineComponent({
  name: "ElTreeNode",
  components: {
    ElCollapseTransition: index$2.ElCollapseTransition,
    ElCheckbox: index$1.ElCheckbox,
    NodeContent: treeNodeContent_vue_vue_type_script_lang.default,
    ElIcon: index.ElIcon,
    Loading: iconsVue.Loading
  },
  props: {
    node: {
      type: node.default,
      default: () => ({})
    },
    props: {
      type: Object,
      default: () => ({})
    },
    accordion: Boolean,
    renderContent: Function,
    renderAfterExpand: Boolean,
    showCheckbox: Boolean
  },
  emits: ["node-expand"],
  setup(props, ctx) {
    const ns = index$3.useNamespace("tree");
    const { broadcastExpanded } = useNodeExpandEventBroadcast.useNodeExpandEventBroadcast(props);
    const tree = vue.inject(tokens.ROOT_TREE_INJECTION_KEY);
    const expanded = vue.ref(false);
    const childNodeRendered = vue.ref(false);
    const oldChecked = vue.ref();
    const oldIndeterminate = vue.ref();
    const node$ = vue.ref();
    const dragEvents = vue.inject(useDragNode.dragEventsKey);
    const instance = vue.getCurrentInstance();
    vue.provide(tokens.NODE_INSTANCE_INJECTION_KEY, instance);
    if (!tree) {
      error.debugWarn("Tree", "Can not find node's tree.");
    }
    if (props.node.expanded) {
      expanded.value = true;
      childNodeRendered.value = true;
    }
    const childrenKey = tree.props.props["children"] || "children";
    vue.watch(
      () => {
        var _a;
        const children = (_a = props.node.data) == null ? void 0 : _a[childrenKey];
        return children && [...children];
      },
      () => {
        props.node.updateChildren();
      }
    );
    vue.watch(
      () => props.node.indeterminate,
      (val) => {
        handleSelectChange(props.node.checked, val);
      }
    );
    vue.watch(
      () => props.node.checked,
      (val) => {
        handleSelectChange(val, props.node.indeterminate);
      }
    );
    vue.watch(
      () => props.node.childNodes.length,
      () => props.node.reInitChecked()
    );
    vue.watch(
      () => props.node.expanded,
      (val) => {
        vue.nextTick(() => expanded.value = val);
        if (val) {
          childNodeRendered.value = true;
        }
      }
    );
    const getNodeKey = (node) => {
      return util.getNodeKey(tree.props.nodeKey, node.data);
    };
    const getNodeClass = (node) => {
      const nodeClassFunc = props.props.class;
      if (!nodeClassFunc) {
        return {};
      }
      let className;
      if (shared.isFunction(nodeClassFunc)) {
        const { data } = node;
        className = nodeClassFunc(data, node);
      } else {
        className = nodeClassFunc;
      }
      if (shared.isString(className)) {
        return { [className]: true };
      } else {
        return className;
      }
    };
    const handleSelectChange = (checked, indeterminate) => {
      if (oldChecked.value !== checked || oldIndeterminate.value !== indeterminate) {
        tree.ctx.emit("check-change", props.node.data, checked, indeterminate);
      }
      oldChecked.value = checked;
      oldIndeterminate.value = indeterminate;
    };
    const handleClick = (e) => {
      util.handleCurrentChange(tree.store, tree.ctx.emit, () => {
        var _a;
        const nodeKeyProp = (_a = tree == null ? void 0 : tree.props) == null ? void 0 : _a.nodeKey;
        if (nodeKeyProp) {
          const curNodeKey = getNodeKey(props.node);
          tree.store.value.setCurrentNodeKey(curNodeKey);
        } else {
          tree.store.value.setCurrentNode(props.node);
        }
      });
      tree.currentNode.value = props.node;
      if (tree.props.expandOnClickNode) {
        handleExpandIconClick();
      }
      if ((tree.props.checkOnClickNode || props.node.isLeaf && tree.props.checkOnClickLeaf && props.showCheckbox) && !props.node.disabled) {
        handleCheckChange(!props.node.checked);
      }
      tree.ctx.emit("node-click", props.node.data, props.node, instance, e);
    };
    const handleContextMenu = (event) => {
      var _a;
      if ((_a = tree.instance.vnode.props) == null ? void 0 : _a["onNodeContextmenu"]) {
        event.stopPropagation();
        event.preventDefault();
      }
      tree.ctx.emit(
        "node-contextmenu",
        event,
        props.node.data,
        props.node,
        instance
      );
    };
    const handleExpandIconClick = () => {
      if (props.node.isLeaf) return;
      if (expanded.value) {
        tree.ctx.emit("node-collapse", props.node.data, props.node, instance);
        props.node.collapse();
      } else {
        props.node.expand(() => {
          ctx.emit("node-expand", props.node.data, props.node, instance);
        });
      }
    };
    const handleCheckChange = (value) => {
      const checkStrictly = tree == null ? void 0 : tree.props.checkStrictly;
      const childNodes = props.node.childNodes;
      if (!checkStrictly && childNodes.length) {
        value = childNodes.some((node) => !node.isEffectivelyChecked);
      }
      props.node.setChecked(value, !checkStrictly);
      vue.nextTick(() => {
        const store = tree.store.value;
        tree.ctx.emit("check", props.node.data, {
          checkedNodes: store.getCheckedNodes(),
          checkedKeys: store.getCheckedKeys(),
          halfCheckedNodes: store.getHalfCheckedNodes(),
          halfCheckedKeys: store.getHalfCheckedKeys()
        });
      });
    };
    const handleChildNodeExpand = (nodeData, node, instance2) => {
      broadcastExpanded(node);
      tree.ctx.emit("node-expand", nodeData, node, instance2);
    };
    const handleDragStart = (event) => {
      if (!tree.props.draggable) return;
      dragEvents.treeNodeDragStart({ event, treeNode: props });
    };
    const handleDragOver = (event) => {
      event.preventDefault();
      if (!tree.props.draggable) return;
      dragEvents.treeNodeDragOver({
        event,
        treeNode: { $el: node$.value, node: props.node }
      });
    };
    const handleDrop = (event) => {
      event.preventDefault();
    };
    const handleDragEnd = (event) => {
      if (!tree.props.draggable) return;
      dragEvents.treeNodeDragEnd(event);
    };
    return {
      ns,
      node$,
      tree,
      expanded,
      childNodeRendered,
      oldChecked,
      oldIndeterminate,
      getNodeKey,
      getNodeClass,
      handleSelectChange,
      handleClick,
      handleContextMenu,
      handleExpandIconClick,
      handleCheckChange,
      handleChildNodeExpand,
      handleDragStart,
      handleDragOver,
      handleDrop,
      handleDragEnd,
      CaretRight: iconsVue.CaretRight
    };
  }
});

exports.default = _sfc_main;
//# sourceMappingURL=tree-node.vue2.js.map