@blueprintjs/core
Version:
Core styles & components
50 lines • 2.38 kB
JavaScript
/*
* Copyright 2016 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the terms of the LICENSE file distributed with this project.
*/
import * as React from "react";
import * as ReactDOM from "react-dom";
import { CONTEXTMENU_WARN_DECORATOR_NEEDS_REACT_ELEMENT, CONTEXTMENU_WARN_DECORATOR_NO_METHOD, } from "../../common/errors";
import { getDisplayName, isFunction, safeInvoke } from "../../common/utils";
import { isDarkTheme } from "../../common/utils/isDarkTheme";
import * as ContextMenu from "./contextMenu";
export function ContextMenuTarget(WrappedComponent) {
if (!isFunction(WrappedComponent.prototype.renderContextMenu)) {
console.warn(CONTEXTMENU_WARN_DECORATOR_NO_METHOD);
}
return _a = class ContextMenuTargetClass extends WrappedComponent {
render() {
const element = super.render();
if (element == null) {
// always return `element` in case caller is distinguishing between `null` and `undefined`
return element;
}
if (!React.isValidElement(element)) {
console.warn(CONTEXTMENU_WARN_DECORATOR_NEEDS_REACT_ELEMENT);
return element;
}
const oldOnContextMenu = element.props.onContextMenu;
const onContextMenu = (e) => {
// support nested menus (inner menu target would have called preventDefault())
if (e.defaultPrevented) {
return;
}
if (isFunction(this.renderContextMenu)) {
const menu = this.renderContextMenu(e);
if (menu != null) {
const darkTheme = isDarkTheme(ReactDOM.findDOMNode(this));
e.preventDefault();
ContextMenu.show(menu, { left: e.clientX, top: e.clientY }, this.onContextMenuClose, darkTheme);
}
}
safeInvoke(oldOnContextMenu, e);
};
return React.cloneElement(element, { onContextMenu });
}
},
_a.displayName = `ContextMenuTarget(${getDisplayName(WrappedComponent)})`,
_a;
var _a;
}
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