@blueprintjs/core
Version:
Core styles & components
78 lines • 4.25 kB
JavaScript
;
/*
* 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