@blueprintjs/core
Version:
Core styles & components
55 lines • 2.65 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 { AbstractPureComponent2, Classes, DISPLAYNAME_PREFIX } from "../../common";
import { Icon } from "../icon/icon";
import { normalizeKeyCombo } from "./hotkeyParser";
const KeyIcons = {
alt: { icon: "key-option", iconTitle: "Alt/Option key" },
cmd: { icon: "key-command", iconTitle: "Command key" },
ctrl: { icon: "key-control", iconTitle: "Control key" },
delete: { icon: "key-delete", iconTitle: "Delete key" },
down: { icon: "arrow-down", iconTitle: "Down key" },
enter: { icon: "key-enter", iconTitle: "Enter key" },
left: { icon: "arrow-left", iconTitle: "Left key" },
meta: { icon: "key-command", iconTitle: "Command key" },
right: { icon: "arrow-right", iconTitle: "Right key" },
shift: { icon: "key-shift", iconTitle: "Shift key" },
up: { icon: "arrow-up", iconTitle: "Up key" },
};
export class KeyCombo extends AbstractPureComponent2 {
static displayName = `${DISPLAYNAME_PREFIX}.KeyCombo`;
render() {
const { className, combo, minimal } = this.props;
const keys = normalizeKeyCombo(combo)
.map(key => (key.length === 1 ? key.toUpperCase() : key))
.map(minimal ? this.renderMinimalKey : this.renderKey);
return React.createElement("span", { className: classNames(Classes.KEY_COMBO, className) }, keys);
}
renderKey = (key, index) => {
const icon = KeyIcons[key];
const reactKey = `key-${index}`;
return (React.createElement("kbd", { className: classNames(Classes.KEY, { [Classes.MODIFIER_KEY]: icon != null }), key: reactKey },
icon != null && React.createElement(Icon, { icon: icon.icon, title: icon.iconTitle }),
key));
};
renderMinimalKey = (key, index) => {
const icon = KeyIcons[key];
return icon == null ? key : React.createElement(Icon, { icon: icon.icon, title: icon.iconTitle, key: `key-${index}` });
};
}
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