@blueprintjs/core
Version:
Core styles & components
95 lines • 4.1 kB
JavaScript
/*
* Copyright 2017 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, getRef, Keys, Utils, } from "../../common";
import { Icon } from "../icon/icon";
import { Spinner } from "../spinner/spinner";
export class AbstractButton extends AbstractPureComponent2 {
constructor() {
super(...arguments);
this.state = {
isActive: false,
};
// we're casting as `any` to get around a somewhat opaque safeInvoke error
// that "Type argument candidate 'KeyboardEvent<T>' is not a valid type
// argument because it is not a supertype of candidate
// 'KeyboardEvent<HTMLElement>'."
this.handleKeyDown = (e) => {
// HACKHACK: https://github.com/palantir/blueprint/issues/4165
/* eslint-disable deprecation/deprecation */
if (Keys.isKeyboardClick(e.which)) {
e.preventDefault();
if (e.which !== this.currentKeyDown) {
this.setState({ isActive: true });
}
}
this.currentKeyDown = e.which;
this.props.onKeyDown?.(e);
};
this.handleKeyUp = (e) => {
// HACKHACK: https://github.com/palantir/blueprint/issues/4165
/* eslint-disable deprecation/deprecation */
if (Keys.isKeyboardClick(e.which)) {
this.setState({ isActive: false });
getRef(this.buttonRef)?.click();
}
this.currentKeyDown = undefined;
this.props.onKeyUp?.(e);
};
this.handleBlur = (e) => {
if (this.state.isActive) {
this.setState({ isActive: false });
}
this.props.onBlur?.(e);
};
}
getCommonButtonProps() {
const { active, alignText, fill, large, loading, outlined, minimal, small, tabIndex } = this.props;
const disabled = this.props.disabled || loading;
const className = classNames(Classes.BUTTON, {
[Classes.ACTIVE]: !disabled && (active || this.state.isActive),
[Classes.DISABLED]: disabled,
[Classes.FILL]: fill,
[Classes.LARGE]: large,
[Classes.LOADING]: loading,
[Classes.MINIMAL]: minimal,
[Classes.OUTLINED]: outlined,
[Classes.SMALL]: small,
}, Classes.alignmentClass(alignText), Classes.intentClass(this.props.intent), this.props.className);
return {
className,
disabled,
onBlur: this.handleBlur,
onClick: disabled ? undefined : this.props.onClick,
onKeyDown: this.handleKeyDown,
onKeyUp: this.handleKeyUp,
tabIndex: disabled ? -1 : tabIndex,
};
}
renderChildren() {
const { children, icon, loading, rightIcon, text } = this.props;
return [
loading && React.createElement(Spinner, { key: "loading", className: Classes.BUTTON_SPINNER, size: Icon.SIZE_LARGE }),
React.createElement(Icon, { key: "leftIcon", icon: icon }),
(!Utils.isReactNodeEmpty(text) || !Utils.isReactNodeEmpty(children)) && (React.createElement("span", { key: "text", className: Classes.BUTTON_TEXT },
text,
children)),
React.createElement(Icon, { key: "rightIcon", icon: rightIcon }),
];
}
}
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