text: /*
   * Copyright 2015 Palantir Technologies, Inc. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  import classNames from "classnames";
  import * as React from "react";
  import * as Classes from "../../common/classes";
  import { DISPLAYNAME_PREFIX } from "../../common/props";
  import { isFunction } from "../../common/utils";
  import { TreeNode } from "./treeNode";
  // eslint-disable-next-line @typescript-eslint/ban-types
  let Tree = /** @class */ (() => {
      class Tree extends React.Component {
          constructor() {
              super(...arguments);
              this.nodeRefs = {};
              this.handleNodeCollapse = (node, e) => {
                  this.handlerHelper(this.props.onNodeCollapse, node, e);
              };
              this.handleNodeClick = (node, e) => {
                  this.handlerHelper(this.props.onNodeClick, node, e);
              };
              this.handleContentRef = (node, element) => {
                  if (element != null) {
                      this.nodeRefs[node.props.id] = element;
                  }
                  else {
                      // don't want our object to get bloated with old keys
                      delete this.nodeRefs[node.props.id];
                  }
              };
              this.handleNodeContextMenu = (node, e) => {
                  this.handlerHelper(this.props.onNodeContextMenu, node, e);
              };
              this.handleNodeDoubleClick = (node, e) => {
                  this.handlerHelper(this.props.onNodeDoubleClick, node, e);
              };
              this.handleNodeExpand = (node, e) => {
                  this.handlerHelper(this.props.onNodeExpand, node, e);
              };
              this.handleNodeMouseEnter = (node, e) => {
                  this.handlerHelper(this.props.onNodeMouseEnter, node, e);
              };
              this.handleNodeMouseLeave = (node, e) => {
                  this.handlerHelper(this.props.onNodeMouseLeave, node, e);
              };
          }
          static ofType() {
              return Tree;
          }
          static nodeFromPath(path, treeNodes) {
              if (path.length === 1) {
                  return treeNodes[path[0]];
              }
              else {
                  return Tree.nodeFromPath(path.slice(1), treeNodes[path[0]].childNodes);
              }
          }
          render() {
              return (React.createElement("div", { className: classNames(Classes.TREE, this.props.className) }, this.renderNodes(this.props.contents, [], Classes.TREE_ROOT)));
          }
          /**
           * Returns the underlying HTML element of the `Tree` node with an id of `nodeId`.
           * This element does not contain the children of the node, only its label and controls.
           * If the node is not currently mounted, `undefined` is returned.
           */
          getNodeContentElement(nodeId) {
              return this.nodeRefs[nodeId];
          }
          renderNodes(treeNodes, currentPath, className) {
              if (treeNodes == null) {
                  return null;
              }
              const nodeItems = treeNodes.map((node, i) => {
                  const elementPath = currentPath.concat(i);
                  const TypedTreeNode = TreeNode.ofType();
                  return (React.createElement(TypedTreeNode, Object.assign({}, node, { key: node.id, contentRef: this.handleContentRef, depth: elementPath.length - 1, onClick: this.handleNodeClick, onContextMenu: this.handleNodeContextMenu, onCollapse: this.handleNodeCollapse, onDoubleClick: this.handleNodeDoubleClick, onExpand: this.handleNodeExpand, onMouseEnter: this.handleNodeMouseEnter, onMouseLeave: this.handleNodeMouseLeave, path: elementPath }), this.renderNodes(node.childNodes, elementPath)));
              });
              return React.createElement("ul", { className: classNames(Classes.TREE_NODE_LIST, className) }, nodeItems);
          }
          handlerHelper(handlerFromProps, node, e) {
              if (isFunction(handlerFromProps)) {
                  const nodeData = Tree.nodeFromPath(node.props.path, this.props.contents);
                  handlerFromProps(nodeData, node.props.path, e);
              }
          }
      }
      Tree.displayName = `${DISPLAYNAME_PREFIX}.Tree`;
      return Tree;
  })();
  export { Tree };
  //# sourceMappingURL=tree.js.map