rc-tree/es/TreeNode.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
import _objectSpread from "@babel/runtime/helpers/esm/objectSpread2";
import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/esm/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/esm/inherits";
import _createSuper from "@babel/runtime/helpers/esm/createSuper";
var _excluded = ["eventKey", "className", "style", "dragOver", "dragOverGapTop", "dragOverGapBottom", "isLeaf", "isStart", "isEnd", "expanded", "selected", "checked", "halfChecked", "loading", "domRef", "active", "data", "onMouseMove", "selectable"];
import * as React from 'react';
import classNames from 'classnames';
import pickAttrs from "rc-util/es/pickAttrs";
// @ts-ignore
import { TreeContext } from './contextTypes';
import Indent from './Indent';
import { convertNodePropsToEventData } from './utils/treeUtil';
var ICON_OPEN = 'open';
var ICON_CLOSE = 'close';
var defaultTitle = '---';
var InternalTreeNode = /*#__PURE__*/function (_React$Component) {
  _inherits(InternalTreeNode, _React$Component);
  var _super = _createSuper(InternalTreeNode);
  function InternalTreeNode() {
    var _this;
    _classCallCheck(this, InternalTreeNode);
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    _this = _super.call.apply(_super, [this].concat(args));
    _this.state = {
      dragNodeHighlight: false
    };
    _this.selectHandle = void 0;
    _this.onSelectorClick = function (e) {
      // Click trigger before select/check operation
      var onNodeClick = _this.props.context.onNodeClick;
      onNodeClick(e, convertNodePropsToEventData(_this.props));
      if (_this.isSelectable()) {
        _this.onSelect(e);
      } else {
        _this.onCheck(e);
      }
    };
    _this.onSelectorDoubleClick = function (e) {
      var onNodeDoubleClick = _this.props.context.onNodeDoubleClick;
      onNodeDoubleClick(e, convertNodePropsToEventData(_this.props));
    };
    _this.onSelect = function (e) {
      if (_this.isDisabled()) return;
      var onNodeSelect = _this.props.context.onNodeSelect;
      e.preventDefault();
      onNodeSelect(e, convertNodePropsToEventData(_this.props));
    };
    _this.onCheck = function (e) {
      if (_this.isDisabled()) return;
      var _this$props = _this.props,
        disableCheckbox = _this$props.disableCheckbox,
        checked = _this$props.checked;
      var onNodeCheck = _this.props.context.onNodeCheck;
      if (!_this.isCheckable() || disableCheckbox) return;
      e.preventDefault();
      var targetChecked = !checked;
      onNodeCheck(e, convertNodePropsToEventData(_this.props), targetChecked);
    };
    _this.onMouseEnter = function (e) {
      var onNodeMouseEnter = _this.props.context.onNodeMouseEnter;
      onNodeMouseEnter(e, convertNodePropsToEventData(_this.props));
    };
    _this.onMouseLeave = function (e) {
      var onNodeMouseLeave = _this.props.context.onNodeMouseLeave;
      onNodeMouseLeave(e, convertNodePropsToEventData(_this.props));
    };
    _this.onContextMenu = function (e) {
      var onNodeContextMenu = _this.props.context.onNodeContextMenu;
      onNodeContextMenu(e, convertNodePropsToEventData(_this.props));
    };
    _this.onDragStart = function (e) {
      var onNodeDragStart = _this.props.context.onNodeDragStart;
      e.stopPropagation();
      _this.setState({
        dragNodeHighlight: true
      });
      onNodeDragStart(e, _assertThisInitialized(_this));
      try {
        // ie throw error
        // firefox-need-it
        e.dataTransfer.setData('text/plain', '');
      } catch (error) {
        // empty
      }
    };
    _this.onDragEnter = function (e) {
      var onNodeDragEnter = _this.props.context.onNodeDragEnter;
      e.preventDefault();
      e.stopPropagation();
      onNodeDragEnter(e, _assertThisInitialized(_this));
    };
    _this.onDragOver = function (e) {
      var onNodeDragOver = _this.props.context.onNodeDragOver;
      e.preventDefault();
      e.stopPropagation();
      onNodeDragOver(e, _assertThisInitialized(_this));
    };
    _this.onDragLeave = function (e) {
      var onNodeDragLeave = _this.props.context.onNodeDragLeave;
      e.stopPropagation();
      onNodeDragLeave(e, _assertThisInitialized(_this));
    };
    _this.onDragEnd = function (e) {
      var onNodeDragEnd = _this.props.context.onNodeDragEnd;
      e.stopPropagation();
      _this.setState({
        dragNodeHighlight: false
      });
      onNodeDragEnd(e, _assertThisInitialized(_this));
    };
    _this.onDrop = function (e) {
      var onNodeDrop = _this.props.context.onNodeDrop;
      e.preventDefault();
      e.stopPropagation();
      _this.setState({
        dragNodeHighlight: false
      });
      onNodeDrop(e, _assertThisInitialized(_this));
    };
    // Disabled item still can be switch
    _this.onExpand = function (e) {
      var _this$props2 = _this.props,
        loading = _this$props2.loading,
        onNodeExpand = _this$props2.context.onNodeExpand;
      if (loading) return;
      onNodeExpand(e, convertNodePropsToEventData(_this.props));
    };
    // Drag usage
    _this.setSelectHandle = function (node) {
      _this.selectHandle = node;
    };
    _this.getNodeState = function () {
      var expanded = _this.props.expanded;
      if (_this.isLeaf()) {
        return null;
      }
      return expanded ? ICON_OPEN : ICON_CLOSE;
    };
    _this.hasChildren = function () {
      var eventKey = _this.props.eventKey;
      var keyEntities = _this.props.context.keyEntities;
      var _ref = keyEntities[eventKey] || {},
        children = _ref.children;
      return !!(children || []).length;
    };
    _this.isLeaf = function () {
      var _this$props3 = _this.props,
        isLeaf = _this$props3.isLeaf,
        loaded = _this$props3.loaded;
      var loadData = _this.props.context.loadData;
      var hasChildren = _this.hasChildren();
      if (isLeaf === false) {
        return false;
      }
      return isLeaf || !loadData && !hasChildren || loadData && loaded && !hasChildren;
    };
    _this.isDisabled = function () {
      var disabled = _this.props.disabled;
      var treeDisabled = _this.props.context.disabled;
      return !!(treeDisabled || disabled);
    };
    _this.isCheckable = function () {
      var checkable = _this.props.checkable;
      var treeCheckable = _this.props.context.checkable;
      // Return false if tree or treeNode is not checkable
      if (!treeCheckable || checkable === false) return false;
      return treeCheckable;
    };
    // Load data to avoid default expanded tree without data
    _this.syncLoadData = function (props) {
      var expanded = props.expanded,
        loading = props.loading,
        loaded = props.loaded;
      var _this$props$context = _this.props.context,
        loadData = _this$props$context.loadData,
        onNodeLoad = _this$props$context.onNodeLoad;
      if (loading) {
        return;
      }
      // read from state to avoid loadData at same time
      if (loadData && expanded && !_this.isLeaf()) {
        // We needn't reload data when has children in sync logic
        // It's only needed in node expanded
        if (!_this.hasChildren() && !loaded) {
          onNodeLoad(convertNodePropsToEventData(_this.props));
        }
      }
    };
    _this.isDraggable = function () {
      var _this$props4 = _this.props,
        data = _this$props4.data,
        draggable = _this$props4.context.draggable;
      return !!(draggable && (!draggable.nodeDraggable || draggable.nodeDraggable(data)));
    };
    // ==================== Render: Drag Handler ====================
    _this.renderDragHandler = function () {
      var _this$props$context2 = _this.props.context,
        draggable = _this$props$context2.draggable,
        prefixCls = _this$props$context2.prefixCls;
      return (draggable === null || draggable === void 0 ? void 0 : draggable.icon) ? /*#__PURE__*/React.createElement("span", {
        className: "".concat(prefixCls, "-draggable-icon")
      }, draggable.icon) : null;
    };
    // ====================== Render: Switcher ======================
    _this.renderSwitcherIconDom = function (isLeaf) {
      var switcherIconFromProps = _this.props.switcherIcon;
      var switcherIconFromCtx = _this.props.context.switcherIcon;
      var switcherIcon = switcherIconFromProps || switcherIconFromCtx;
      // if switcherIconDom is null, no render switcher span
      if (typeof switcherIcon === 'function') {
        return switcherIcon(_objectSpread(_objectSpread({}, _this.props), {}, {
          isLeaf: isLeaf
        }));
      }
      return switcherIcon;
    };
    // Switcher
    _this.renderSwitcher = function () {
      var expanded = _this.props.expanded;
      var prefixCls = _this.props.context.prefixCls;
      if (_this.isLeaf()) {
        // if switcherIconDom is null, no render switcher span
        var _switcherIconDom = _this.renderSwitcherIconDom(true);
        return _switcherIconDom !== false ? /*#__PURE__*/React.createElement("span", {
          className: classNames("".concat(prefixCls, "-switcher"), "".concat(prefixCls, "-switcher-noop"))
        }, _switcherIconDom) : null;
      }
      var switcherCls = classNames("".concat(prefixCls, "-switcher"), "".concat(prefixCls, "-switcher_").concat(expanded ? ICON_OPEN : ICON_CLOSE));
      var switcherIconDom = _this.renderSwitcherIconDom(false);
      return switcherIconDom !== false ? /*#__PURE__*/React.createElement("span", {
        onClick: _this.onExpand,
        className: switcherCls
      }, switcherIconDom) : null;
    };
    // ====================== Render: Checkbox ======================
    // Checkbox
    _this.renderCheckbox = function () {
      var _this$props5 = _this.props,
        checked = _this$props5.checked,
        halfChecked = _this$props5.halfChecked,
        disableCheckbox = _this$props5.disableCheckbox;
      var prefixCls = _this.props.context.prefixCls;
      var disabled = _this.isDisabled();
      var checkable = _this.isCheckable();
      if (!checkable) return null;
      // [Legacy] Custom element should be separate with `checkable` in future
      var $custom = typeof checkable !== 'boolean' ? checkable : null;
      return /*#__PURE__*/React.createElement("span", {
        className: classNames("".concat(prefixCls, "-checkbox"), checked && "".concat(prefixCls, "-checkbox-checked"), !checked && halfChecked && "".concat(prefixCls, "-checkbox-indeterminate"), (disabled || disableCheckbox) && "".concat(prefixCls, "-checkbox-disabled")),
        onClick: _this.onCheck
      }, $custom);
    };
    // ==================== Render: Title + Icon ====================
    _this.renderIcon = function () {
      var loading = _this.props.loading;
      var prefixCls = _this.props.context.prefixCls;
      return /*#__PURE__*/React.createElement("span", {
        className: classNames("".concat(prefixCls, "-iconEle"), "".concat(prefixCls, "-icon__").concat(_this.getNodeState() || 'docu'), loading && "".concat(prefixCls, "-icon_loading"))
      });
    };
    // Icon + Title
    _this.renderSelector = function () {
      var dragNodeHighlight = _this.state.dragNodeHighlight;
      var _this$props6 = _this.props,
        _this$props6$title = _this$props6.title,
        title = _this$props6$title === void 0 ? defaultTitle : _this$props6$title,
        selected = _this$props6.selected,
        icon = _this$props6.icon,
        loading = _this$props6.loading,
        data = _this$props6.data;
      var _this$props$context3 = _this.props.context,
        prefixCls = _this$props$context3.prefixCls,
        showIcon = _this$props$context3.showIcon,
        treeIcon = _this$props$context3.icon,
        loadData = _this$props$context3.loadData,
        titleRender = _this$props$context3.titleRender;
      var disabled = _this.isDisabled();
      var wrapClass = "".concat(prefixCls, "-node-content-wrapper");
      // Icon - Still show loading icon when loading without showIcon
      var $icon;
      if (showIcon) {
        var currentIcon = icon || treeIcon;
        $icon = currentIcon ? /*#__PURE__*/React.createElement("span", {
          className: classNames("".concat(prefixCls, "-iconEle"), "".concat(prefixCls, "-icon__customize"))
        }, typeof currentIcon === 'function' ? currentIcon(_this.props) : currentIcon) : _this.renderIcon();
      } else if (loadData && loading) {
        $icon = _this.renderIcon();
      }
      // Title
      var titleNode;
      if (typeof title === 'function') {
        titleNode = title(data);
      } else if (titleRender) {
        titleNode = titleRender(data);
      } else {
        titleNode = title;
      }
      var $title = /*#__PURE__*/React.createElement("span", {
        className: "".concat(prefixCls, "-title")
      }, titleNode);
      return /*#__PURE__*/React.createElement("span", {
        ref: _this.setSelectHandle,
        title: typeof title === 'string' ? title : '',
        className: classNames("".concat(wrapClass), "".concat(wrapClass, "-").concat(_this.getNodeState() || 'normal'), !disabled && (selected || dragNodeHighlight) && "".concat(prefixCls, "-node-selected")),
        onMouseEnter: _this.onMouseEnter,
        onMouseLeave: _this.onMouseLeave,
        onContextMenu: _this.onContextMenu,
        onClick: _this.onSelectorClick,
        onDoubleClick: _this.onSelectorDoubleClick
      }, $icon, $title, _this.renderDropIndicator());
    };
    // =================== Render: Drop Indicator ===================
    _this.renderDropIndicator = function () {
      var _this$props7 = _this.props,
        disabled = _this$props7.disabled,
        eventKey = _this$props7.eventKey;
      var _this$props$context4 = _this.props.context,
        draggable = _this$props$context4.draggable,
        dropLevelOffset = _this$props$context4.dropLevelOffset,
        dropPosition = _this$props$context4.dropPosition,
        prefixCls = _this$props$context4.prefixCls,
        indent = _this$props$context4.indent,
        dropIndicatorRender = _this$props$context4.dropIndicatorRender,
        dragOverNodeKey = _this$props$context4.dragOverNodeKey,
        direction = _this$props$context4.direction;
      var rootDraggable = !!draggable;
      // allowDrop is calculated in Tree.tsx, there is no need for calc it here
      var showIndicator = !disabled && rootDraggable && dragOverNodeKey === eventKey;
      return showIndicator ? dropIndicatorRender({
        dropPosition: dropPosition,
        dropLevelOffset: dropLevelOffset,
        indent: indent,
        prefixCls: prefixCls,
        direction: direction
      }) : null;
    };
    return _this;
  }
  _createClass(InternalTreeNode, [{
    key: "componentDidMount",
    value:
    // Isomorphic needn't load data in server side
    function componentDidMount() {
      this.syncLoadData(this.props);
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate() {
      this.syncLoadData(this.props);
    }
  }, {
    key: "isSelectable",
    value: function isSelectable() {
      var selectable = this.props.selectable;
      var treeSelectable = this.props.context.selectable;
      // Ignore when selectable is undefined or null
      if (typeof selectable === 'boolean') {
        return selectable;
      }
      return treeSelectable;
    }
  }, {
    key: "render",
    value:
    // =========================== Render ===========================
    function render() {
      var _classNames;
      var _this$props8 = this.props,
        eventKey = _this$props8.eventKey,
        className = _this$props8.className,
        style = _this$props8.style,
        dragOver = _this$props8.dragOver,
        dragOverGapTop = _this$props8.dragOverGapTop,
        dragOverGapBottom = _this$props8.dragOverGapBottom,
        isLeaf = _this$props8.isLeaf,
        isStart = _this$props8.isStart,
        isEnd = _this$props8.isEnd,
        expanded = _this$props8.expanded,
        selected = _this$props8.selected,
        checked = _this$props8.checked,
        halfChecked = _this$props8.halfChecked,
        loading = _this$props8.loading,
        domRef = _this$props8.domRef,
        active = _this$props8.active,
        data = _this$props8.data,
        onMouseMove = _this$props8.onMouseMove,
        selectable = _this$props8.selectable,
        otherProps = _objectWithoutProperties(_this$props8, _excluded);
      var _this$props$context5 = this.props.context,
        prefixCls = _this$props$context5.prefixCls,
        filterTreeNode = _this$props$context5.filterTreeNode,
        keyEntities = _this$props$context5.keyEntities,
        dropContainerKey = _this$props$context5.dropContainerKey,
        dropTargetKey = _this$props$context5.dropTargetKey,
        draggingNodeKey = _this$props$context5.draggingNodeKey;
      var disabled = this.isDisabled();
      var dataOrAriaAttributeProps = pickAttrs(otherProps, {
        aria: true,
        data: true
      });
      var _ref2 = keyEntities[eventKey] || {},
        level = _ref2.level;
      var isEndNode = isEnd[isEnd.length - 1];
      var mergedDraggable = this.isDraggable();
      var draggableWithoutDisabled = !disabled && mergedDraggable;
      var dragging = draggingNodeKey === eventKey;
      var ariaSelected = selectable !== undefined ? {
        'aria-selected': !!selectable
      } : undefined;
      return /*#__PURE__*/React.createElement("div", _extends({
        ref: domRef,
        className: classNames(className, "".concat(prefixCls, "-treenode"), (_classNames = {}, _defineProperty(_classNames, "".concat(prefixCls, "-treenode-disabled"), disabled), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-switcher-").concat(expanded ? 'open' : 'close'), !isLeaf), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-checkbox-checked"), checked), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-checkbox-indeterminate"), halfChecked), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-selected"), selected), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-loading"), loading), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-active"), active), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-leaf-last"), isEndNode), _defineProperty(_classNames, "".concat(prefixCls, "-treenode-draggable"), mergedDraggable), _defineProperty(_classNames, "dragging", dragging), _defineProperty(_classNames, 'drop-target', dropTargetKey === eventKey), _defineProperty(_classNames, 'drop-container', dropContainerKey === eventKey), _defineProperty(_classNames, 'drag-over', !disabled && dragOver), _defineProperty(_classNames, 'drag-over-gap-top', !disabled && dragOverGapTop), _defineProperty(_classNames, 'drag-over-gap-bottom', !disabled && dragOverGapBottom), _defineProperty(_classNames, 'filter-node', filterTreeNode && filterTreeNode(convertNodePropsToEventData(this.props))), _classNames)),
        style: style
        // Draggable config
        ,
        draggable: draggableWithoutDisabled,
        "aria-grabbed": dragging,
        onDragStart: draggableWithoutDisabled ? this.onDragStart : undefined
        // Drop config
        ,
        onDragEnter: mergedDraggable ? this.onDragEnter : undefined,
        onDragOver: mergedDraggable ? this.onDragOver : undefined,
        onDragLeave: mergedDraggable ? this.onDragLeave : undefined,
        onDrop: mergedDraggable ? this.onDrop : undefined,
        onDragEnd: mergedDraggable ? this.onDragEnd : undefined,
        onMouseMove: onMouseMove
      }, ariaSelected, dataOrAriaAttributeProps), /*#__PURE__*/React.createElement(Indent, {
        prefixCls: prefixCls,
        level: level,
        isStart: isStart,
        isEnd: isEnd
      }), this.renderDragHandler(), this.renderSwitcher(), this.renderCheckbox(), this.renderSelector());
    }
  }]);
  return InternalTreeNode;
}(React.Component);
var ContextTreeNode = function ContextTreeNode(props) {
  return /*#__PURE__*/React.createElement(TreeContext.Consumer, null, function (context) {
    return /*#__PURE__*/React.createElement(InternalTreeNode, _extends({}, props, {
      context: context
    }));
  });
};
ContextTreeNode.displayName = 'TreeNode';
ContextTreeNode.isTreeNode = 1;
export { InternalTreeNode };
export default ContextTreeNode;