@blueprintjs/core
Version:
Core styles & components
86 lines • 4.22 kB
JavaScript
/*
* Copyright 2015 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 * as Classes from "../../common/classes";
import { Position } from "../../common/position";
import { DISPLAYNAME_PREFIX } from "../../common/props";
import { Icon } from "../icon/icon";
import { Popover, PopoverInteractionKind } from "../popover/popover";
import { Text } from "../text/text";
import { Menu } from "./menu";
export class MenuItem extends React.PureComponent {
render() {
const { active, className, children, disabled, icon, intent, labelElement, multiline, popoverProps, shouldDismissPopover, text, textClassName, tagName: TagName = "a", ...htmlProps } = this.props;
const hasSubmenu = children != null;
const intentClass = Classes.intentClass(intent);
const anchorClasses = classNames(Classes.MENU_ITEM, intentClass, {
[Classes.ACTIVE]: active,
[Classes.INTENT_PRIMARY]: active && intentClass == null,
[Classes.DISABLED]: disabled,
// prevent popover from closing when clicking on submenu trigger or disabled item
[Classes.POPOVER_DISMISS]: shouldDismissPopover && !disabled && !hasSubmenu,
}, className);
const target = (React.createElement(TagName, Object.assign({}, htmlProps, (disabled ? DISABLED_PROPS : {}), { className: anchorClasses }),
React.createElement(Icon, { icon: icon }),
React.createElement(Text, { className: classNames(Classes.FILL, textClassName), ellipsize: !multiline }, text),
this.maybeRenderLabel(labelElement),
hasSubmenu && React.createElement(Icon, { icon: "caret-right" })));
const liClasses = classNames({ [Classes.MENU_SUBMENU]: hasSubmenu });
return React.createElement("li", { className: liClasses }, this.maybeRenderPopover(target, children));
}
maybeRenderLabel(labelElement) {
const { label, labelClassName } = this.props;
if (label == null && labelElement == null) {
return null;
}
return (React.createElement("span", { className: classNames(Classes.MENU_ITEM_LABEL, labelClassName) },
label,
labelElement));
}
maybeRenderPopover(target, children) {
if (children == null) {
return target;
}
const { disabled, popoverProps } = this.props;
return (React.createElement(Popover, Object.assign({ autoFocus: false, captureDismiss: false, disabled: disabled, enforceFocus: false, hoverCloseDelay: 0, interactionKind: PopoverInteractionKind.HOVER, modifiers: SUBMENU_POPOVER_MODIFIERS, position: Position.RIGHT_TOP, usePortal: false }, popoverProps, { content: React.createElement(Menu, null, children), minimal: true, popoverClassName: classNames(Classes.MENU_SUBMENU, popoverProps.popoverClassName), target: target })));
}
}
MenuItem.defaultProps = {
disabled: false,
multiline: false,
popoverProps: {},
shouldDismissPopover: true,
text: "",
};
MenuItem.displayName = `${DISPLAYNAME_PREFIX}.MenuItem`;
const SUBMENU_POPOVER_MODIFIERS = {
// 20px padding - scrollbar width + a bit
flip: { boundariesElement: "viewport", padding: 20 },
// shift popover up 5px so MenuItems align
offset: { offset: -5 },
preventOverflow: { boundariesElement: "viewport", padding: 20 },
};
// props to ignore when disabled
const DISABLED_PROPS = {
href: undefined,
onClick: undefined,
onMouseDown: undefined,
onMouseEnter: undefined,
onMouseLeave: undefined,
tabIndex: -1,
};
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