@blueprintjs/core
Version:
Core styles & components
95 lines • 4.16 kB
JavaScript
/*
* Copyright 2018 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 * as tslib_1 from "tslib";
import classNames from "classnames";
import * as React from "react";
import { polyfill } from "react-lifecycles-compat";
import { CSSTransition, TransitionGroup } from "react-transition-group";
import { AbstractPureComponent2, Classes } from "../../common";
import * as Errors from "../../common/errors";
import { safeInvoke } from "../../common/utils";
import { PanelView } from "./panelView";
let PanelStack = class PanelStack extends AbstractPureComponent2 {
constructor() {
super(...arguments);
this.state = {
direction: "push",
stack: this.props.stack != null ? this.props.stack.slice().reverse() : [this.props.initialPanel],
};
this.handlePanelClose = (panel) => {
const { stack } = this.state;
// only remove this panel if it is at the top and not the only one.
if (stack[0] !== panel || stack.length <= 1) {
return;
}
safeInvoke(this.props.onClose, panel);
if (this.props.stack == null) {
this.setState(state => ({
direction: "pop",
stack: state.stack.filter(p => p !== panel),
}));
}
};
this.handlePanelOpen = (panel) => {
safeInvoke(this.props.onOpen, panel);
if (this.props.stack == null) {
this.setState(state => ({
direction: "push",
stack: [panel, ...state.stack],
}));
}
};
}
componentDidUpdate(prevProps, _prevState, _snapshot) {
super.componentDidUpdate(prevProps, _prevState, _snapshot);
const stackLength = this.props.stack != null ? this.props.stack.length : 0;
const prevStackLength = prevProps.stack != null ? prevProps.stack.length : 0;
if (stackLength !== prevStackLength && prevProps.stack != null) {
this.setState({
direction: prevProps.stack.length - this.props.stack.length < 0 ? "push" : "pop",
stack: this.props.stack.slice().reverse(),
});
}
}
render() {
const classes = classNames(Classes.PANEL_STACK, `${Classes.PANEL_STACK}-${this.state.direction}`, this.props.className);
return (React.createElement(TransitionGroup, { className: classes, component: "div" }, this.renderCurrentPanel()));
}
validateProps(props) {
if ((props.initialPanel == null && props.stack == null) ||
(props.initialPanel != null && props.stack != null)) {
throw new Error(Errors.PANEL_STACK_INITIAL_PANEL_STACK_MUTEX);
}
if (props.stack != null && props.stack.length === 0) {
throw new Error(Errors.PANEL_STACK_REQUIRES_PANEL);
}
}
renderCurrentPanel() {
const { showPanelHeader = true } = this.props;
const { stack } = this.state;
if (stack.length === 0) {
return null;
}
const [activePanel, previousPanel] = stack;
return (React.createElement(CSSTransition, { classNames: Classes.PANEL_STACK, key: stack.length, timeout: 400 },
React.createElement(PanelView, { onClose: this.handlePanelClose, onOpen: this.handlePanelOpen, panel: activePanel, previousPanel: previousPanel, showHeader: showPanelHeader })));
}
};
PanelStack = tslib_1.__decorate([
polyfill
], PanelStack);
export { PanelStack };
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