@blueprintjs/core
Version:
Core styles & components
68 lines • 2.75 kB
JavaScript
/*
* Copyright 2016 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 classNames from "classnames";
import * as React from "react";
import { AbstractPureComponent, Classes, DISPLAYNAME_PREFIX } from "../../common";
import { HOTKEYS_HOTKEY_CHILDREN } from "../../common/errors";
import { isElementOfType, isReactChildrenElementOrElements } from "../../common/utils";
import { H4 } from "../html/html";
import { Hotkey } from "./hotkey";
/**
* Hotkeys component used to display a list of hotkeys in the HotkeysDialog.
* Should not be used by consumers directly.
*/
export class Hotkeys extends AbstractPureComponent {
static displayName = `${DISPLAYNAME_PREFIX}.Hotkeys`;
static defaultProps = {
tabIndex: 0,
};
render() {
if (!isReactChildrenElementOrElements(this.props.children)) {
return null;
}
const hotkeys = React.Children.map(this.props.children, (child) => child.props);
// sort by group label alphabetically, prioritize globals
hotkeys.sort((a, b) => {
if (a.global === b.global && a.group && b.group) {
return a.group.localeCompare(b.group);
}
return a.global ? -1 : 1;
});
let lastGroup;
const elems = [];
for (const hotkey of hotkeys) {
const groupLabel = hotkey.group;
if (groupLabel !== lastGroup) {
elems.push(React.createElement(H4, { key: `group-${elems.length}` }, groupLabel));
lastGroup = groupLabel;
}
elems.push(React.createElement(Hotkey, { key: elems.length, ...hotkey }));
}
const rootClasses = classNames(Classes.HOTKEY_COLUMN, this.props.className);
return React.createElement("div", { className: rootClasses }, elems);
}
validateProps(props) {
if (!isReactChildrenElementOrElements(props.children)) {
return;
}
React.Children.forEach(props.children, (child) => {
if (!isElementOfType(child, Hotkey)) {
throw new Error(HOTKEYS_HOTKEY_CHILDREN);
}
});
}
}
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