@arco-design/web-react
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Arco Design React UI Library.
293 lines (292 loc) • 16.8 kB
JavaScript
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Object.defineProperty(exports, "__esModule", { value: true });
var react_1 = __importStar(require("react"));
var Checkbox_1 = __importDefault(require("../Checkbox"));
var classNames_1 = __importDefault(require("../_util/classNames"));
var is_1 = require("../_util/is");
var IconCaretDown_1 = __importDefault(require("../../icon/react-icon-cjs/IconCaretDown"));
var IconDragDotVertical_1 = __importDefault(require("../../icon/react-icon-cjs/IconDragDotVertical"));
var IconLoading_1 = __importDefault(require("../../icon/react-icon-cjs/IconLoading"));
var IconFile_1 = __importDefault(require("../../icon/react-icon-cjs/IconFile"));
var ConfigProvider_1 = require("../ConfigProvider");
var icon_hover_1 = __importDefault(require("../_class/icon-hover"));
var context_1 = require("./context");
var animation_1 = __importDefault(require("./animation"));
var throttleByRaf_1 = __importDefault(require("../_util/throttleByRaf"));
function TreeNode(props, ref) {
var _a, _b, _c;
var _this = this;
var treeContext = (0, react_1.useContext)(context_1.TreeContext);
var getPrefixCls = (0, react_1.useContext)(ConfigProvider_1.ConfigContext).getPrefixCls;
// const prevProps: NodeProps = usePrevious(props) || {};
var nodeTitleRef = (0, react_1.useRef)();
var _d = __read((0, react_1.useState)({
isAllowDrop: true,
isDragOver: false,
dragPosition: 0,
isDragging: false,
}), 2), state = _d[0], setState = _d[1];
var _e = props._key, _key = _e === void 0 ? '' : _e, title = props.title, icon = props.icon, checkable = props.checkable, selected = props.selected, disabled = props.disabled, disableCheckbox = props.disableCheckbox, isLeaf = props.isLeaf, draggable = props.draggable, expanded = props.expanded, showLine = props.showLine, loading = props.loading, _f = props.selectable, selectable = _f === void 0 ? true : _f;
var prefixCls = getPrefixCls('tree-node');
var classNames = (0, classNames_1.default)(prefixCls, (_a = {},
_a[prefixCls + "-selected"] = selected,
_a[prefixCls + "-is-leaf"] = isLeaf,
_a[prefixCls + "-expanded"] = expanded,
_a[prefixCls + "-disabled-selectable"] = !selectable,
_a[prefixCls + "-disabled"] = disabled,
_a[prefixCls + "-draggable"] = draggable,
_a), props.className);
var icons = (function () {
var treeIcons = (0, is_1.isFunction)(treeContext.icons) ? treeContext.icons(props) : treeContext.icons;
var propsIcons = (0, is_1.isFunction)(props.icons) ? props.icons(props) : props.icons;
return __assign(__assign({}, treeIcons), propsIcons);
})();
var setExpand = (0, react_1.useCallback)(function (newExpand) {
if (newExpand === expanded) {
return;
}
treeContext.onExpand && treeContext.onExpand(newExpand, _key);
}, [expanded, treeContext.onExpand]);
var switchExpandStatus = (0, react_1.useCallback)(function () { return __awaiter(_this, void 0, void 0, function () {
var isLeaf, expanded;
var _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
isLeaf = props.isLeaf, expanded = props.expanded;
if (isLeaf) {
return [2 /*return*/];
}
if (!(!((_a = props.childrenData) === null || _a === void 0 ? void 0 : _a.length) && (0, is_1.isFunction)(treeContext.loadMore) && !expanded)) return [3 /*break*/, 2];
return [4 /*yield*/, treeContext.loadMore(props)];
case 1:
_b.sent();
return [3 /*break*/, 3];
case 2:
setExpand(!expanded);
_b.label = 3;
case 3: return [2 /*return*/];
}
});
}); }, [props, setExpand, treeContext.loadMore]);
var getPrefixIcon = function () {
if (loading) {
return 'loadingIcon' in icons ? icons.loadingIcon : react_1.default.createElement(IconLoading_1.default, null);
}
var icon = null;
var needIconHover = false;
if (!isLeaf) {
var defaultIcon = showLine ? (react_1.default.createElement("span", { className: prefixCls + "-" + (expanded ? 'minus' : 'plus') + "-icon" })) : (react_1.default.createElement(IconCaretDown_1.default, null));
icon = 'switcherIcon' in icons ? icons.switcherIcon : defaultIcon;
needIconHover = !showLine;
}
else if (showLine) {
icon = 'switcherIcon' in icons ? icons.switcherIcon : react_1.default.createElement(IconFile_1.default, null);
needIconHover = true;
}
if (icon) {
icon = (react_1.default.createElement("span", { className: prefixCls + "-switcher-icon", "aria-label": expanded ? 'fold button' : 'expand button', role: "button", tabIndex: 0, onClick: switchExpandStatus }, icon));
return needIconHover ? react_1.default.createElement(icon_hover_1.default, { prefix: prefixCls }, icon) : icon;
}
};
var updateDragOverState = (0, react_1.useCallback)((0, throttleByRaf_1.default)(function (e) {
var dom = nodeTitleRef.current;
if (!dom)
return;
var rect = dom.getBoundingClientRect();
var offsetY = window.pageYOffset + rect.top;
var pageY = e.pageY;
var gapHeight = rect.height / 4;
var diff = pageY - offsetY;
var position = diff < gapHeight ? -1 : diff < rect.height - gapHeight ? 0 : 1;
var isAllowDrop = treeContext.allowDrop(props, position);
setState(__assign(__assign({}, state), { isAllowDrop: isAllowDrop, isDragOver: true, dragPosition: position }));
treeContext.onNodeDragOver && treeContext.onNodeDragOver(e, props, position);
}), [treeContext.onNodeDragOver]);
var handleCheck = (0, react_1.useCallback)(function (checked, e) {
var disableCheckbox = props.disableCheckbox, disabled = props.disabled;
if (disableCheckbox || disabled) {
return;
}
treeContext.onCheck && treeContext.onCheck(checked, _key, e);
}, [props.disabled, props.disableCheckbox]);
return (react_1.default.createElement(react_1.default.Fragment, null,
react_1.default.createElement("div", { style: props.style, className: classNames, ref: ref, role: "treeitem", "aria-disabled": disabled, "aria-expanded": expanded, "aria-level": props._level },
react_1.default.createElement("span", { className: prefixCls + "-indent", "aria-hidden": true }, __spreadArray([], __read(Array(props._level)), false).map(function (_, i) {
var _a;
return (react_1.default.createElement("span", { className: (0, classNames_1.default)(prefixCls + "-indent-block", (_a = {},
_a[prefixCls + "-indent-block-lineless"] = props._lineless && props._lineless[i],
_a)), key: i }));
})),
react_1.default.createElement("span", { className: (0, classNames_1.default)(prefixCls + "-switcher", (_b = {},
_b[prefixCls + "-switcher-expanded"] = expanded,
_b)) }, getPrefixIcon()),
checkable ? (react_1.default.createElement(Checkbox_1.default, { disabled: disableCheckbox || disabled, value: _key, indeterminate: props.indeterminated, checked: props.checked, onChange: handleCheck })) : null,
react_1.default.createElement("span", { "aria-grabbed": state.isDragging, ref: nodeTitleRef, className: (0, classNames_1.default)(prefixCls + "-title", (_c = {},
_c[prefixCls + "-title-draggable"] = draggable,
_c[prefixCls + "-title-gap-top"] = state.isDragOver && state.isAllowDrop && state.dragPosition < 0,
_c[prefixCls + "-title-gap-bottom"] = state.isDragOver && state.isAllowDrop && state.dragPosition > 0,
_c[prefixCls + "-title-highlight"] = !state.isDragging &&
state.isDragOver &&
state.isAllowDrop &&
state.dragPosition === 0,
_c[prefixCls + "-title-dragging"] = state.isDragging,
_c[prefixCls + "-title-block"] = props.blockNode,
_c)), onClick: function (e) {
var onSelect = treeContext.onSelect, actionOnClick = treeContext.actionOnClick;
if (!props.disabled) {
var actions = [].concat(actionOnClick);
if (selectable && actions.indexOf('select') > -1) {
onSelect && onSelect(_key, e);
}
if (actions.indexOf('expand') > -1) {
switchExpandStatus();
}
if (checkable && actions.indexOf('check') > -1) {
handleCheck(!props.checked, e);
}
}
}, draggable: draggable, onDrop: function (e) {
e.stopPropagation();
e.preventDefault();
treeContext.onNodeDrop && treeContext.onNodeDrop(e, props, state.dragPosition);
updateDragOverState.cancel();
setState(__assign(__assign({}, state), { isDragOver: false, dragPosition: 0 }));
}, onDragStart: function (e) {
if (!draggable)
return;
e.stopPropagation();
// 当前节点正在被拖拽
setState(__assign(__assign({}, state), { isDragging: true }));
try {
// ie throw error
// firefox-need-it
e.dataTransfer.setData('text/plain', '');
}
catch (error) {
// empty
}
treeContext.onNodeDragStart && treeContext.onNodeDragStart(e, props);
}, onDragEnd: function (e) {
if (!draggable)
return;
e.stopPropagation();
updateDragOverState.cancel();
setState(__assign(__assign({}, state), { isDragOver: false, isDragging: false }));
treeContext.onNodeDragEnd && treeContext.onNodeDragEnd(e, props);
}, onDragOver: function (e) {
e.preventDefault();
e.stopPropagation();
e.persist();
updateDragOverState(e);
}, onDragLeave: function (e) {
if (!draggable)
return;
e.stopPropagation();
updateDragOverState.cancel();
setState(__assign(__assign({}, state), { isDragOver: false }));
treeContext.onNodeDragLeave && treeContext.onNodeDragLeave(e, props);
} },
icon && react_1.default.createElement("span", { className: prefixCls + "-icon " + prefixCls + "-custom-icon" }, icon),
react_1.default.createElement("span", { className: prefixCls + "-title-text" }, (0, is_1.isFunction)(treeContext.renderTitle) ? treeContext.renderTitle(props) : title),
draggable && (react_1.default.createElement("span", { className: prefixCls + "-icon " + prefixCls + "-drag-icon" }, 'dragIcon' in icons ? icons.dragIcon : react_1.default.createElement(IconDragDotVertical_1.default, null)))),
(0, is_1.isFunction)(treeContext.renderExtra) && treeContext.renderExtra(props)),
treeContext.animation && react_1.default.createElement(animation_1.default, __assign({}, props))));
}
var TreeNodeComponent = (0, react_1.forwardRef)(TreeNode);
TreeNodeComponent.displayName = 'TreeNode';
exports.default = react_1.default.memo(TreeNodeComponent);