UNPKG

@blueprintjs/core

Version:

Core styles & components

78 lines 4.25 kB
"use strict"; /* * Copyright 2021 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. */ Object.defineProperty(exports, "__esModule", { value: true }); exports.PanelStack2 = exports.PanelStack = void 0; const tslib_1 = require("tslib"); const classnames_1 = tslib_1.__importDefault(require("classnames")); const React = tslib_1.__importStar(require("react")); const react_transition_group_1 = require("react-transition-group"); const common_1 = require("../../common"); const hooks_1 = require("../../hooks"); const panelView_1 = require("./panelView"); /** * Panel stack component. * * @see https://blueprintjs.com/docs/#core/components/panel-stack * @template T type union of all possible panels in this stack */ const PanelStack = (props) => { var _a; const { initialPanel, onClose, onOpen, renderActivePanelOnly = true, showPanelHeader = true, stack: propsStack, } = props; const isControlled = propsStack != null; const [localStack, setLocalStack] = React.useState(initialPanel !== undefined ? [initialPanel] : []); const stack = React.useMemo(() => (isControlled ? propsStack.slice().reverse() : localStack), [localStack, isControlled, propsStack]); const prevStackLength = (_a = (0, hooks_1.usePrevious)(stack.length)) !== null && _a !== void 0 ? _a : stack.length; const direction = stack.length - prevStackLength < 0 ? "pop" : "push"; const handlePanelOpen = React.useCallback((panel) => { onOpen === null || onOpen === void 0 ? void 0 : onOpen(panel); if (!isControlled) { setLocalStack(prevStack => [panel, ...prevStack]); } }, [onOpen, isControlled]); const handlePanelClose = React.useCallback((panel) => { onClose === null || onClose === void 0 ? void 0 : onClose(panel); if (!isControlled) { setLocalStack(prevStack => prevStack.slice(1)); } }, [onClose, isControlled]); // early return, after all hooks are called if (stack.length === 0) { return null; } const panelsToRender = renderActivePanelOnly ? [stack[0]] : stack; const panels = panelsToRender .map((panel, index) => { // With renderActivePanelOnly={false} we would keep all the CSSTransitions rendered, // therefore they would not trigger the "enter" transition event as they were entered. // To force the enter event, we want to change the key, but stack.length is not enough // and a single panel should not rerender as long as it's hidden. // This key contains two parts: first one, stack.length - index is constant (and unique) for each panel, // second one, active changes only when the panel becomes or stops being active. const layer = stack.length - index; const key = renderActivePanelOnly ? stack.length : layer; return (React.createElement(react_transition_group_1.CSSTransition, { classNames: common_1.Classes.PANEL_STACK, key: key, timeout: 400 }, React.createElement(panelView_1.PanelView, { onClose: handlePanelClose, onOpen: handlePanelOpen, panel: panel, previousPanel: stack[index + 1], showHeader: showPanelHeader }))); }) .reverse(); const classes = (0, classnames_1.default)(common_1.Classes.PANEL_STACK, `${common_1.Classes.PANEL_STACK}-${direction}`, props.className); return (React.createElement(react_transition_group_1.TransitionGroup, { className: classes, component: "div" }, panels)); }; exports.PanelStack = PanelStack; exports.PanelStack.displayName = `${common_1.DISPLAYNAME_PREFIX}.PanelStack`; /** @deprecated Use `PanelStack` instead */ exports.PanelStack2 = exports.PanelStack; //# sourceMappingURL=panelStack.js.map