@blueprintjs/core
Version:
Core styles & components
97 lines • 4.94 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 * as tslib_1 from "tslib";
import * as React from "react";
import { HOTKEYS_WARN_DECORATOR_NEEDS_REACT_ELEMENT, HOTKEYS_WARN_DECORATOR_NO_METHOD } from "../../common/errors";
import { getDisplayName, isFunction, safeInvoke } from "../../common/utils";
import { HotkeyScope, HotkeysEvents } from "./hotkeysEvents";
export function HotkeysTarget(WrappedComponent) {
var _a;
if (!isFunction(WrappedComponent.prototype.renderHotkeys)) {
console.warn(HOTKEYS_WARN_DECORATOR_NO_METHOD);
}
return _a = /** @class */ (function (_super) {
tslib_1.__extends(HotkeysTargetClass, _super);
function HotkeysTargetClass() {
var _this = _super !== null && _super.apply(this, arguments) || this;
/** @internal */
_this.globalHotkeysEvents = new HotkeysEvents(HotkeyScope.GLOBAL);
/** @internal */
_this.localHotkeysEvents = new HotkeysEvents(HotkeyScope.LOCAL);
return _this;
}
HotkeysTargetClass.prototype.componentDidMount = function () {
if (_super.prototype.componentDidMount != null) {
_super.prototype.componentDidMount.call(this);
}
// attach global key event listeners
document.addEventListener("keydown", this.globalHotkeysEvents.handleKeyDown);
document.addEventListener("keyup", this.globalHotkeysEvents.handleKeyUp);
};
HotkeysTargetClass.prototype.componentWillUnmount = function () {
if (_super.prototype.componentWillUnmount != null) {
_super.prototype.componentWillUnmount.call(this);
}
document.removeEventListener("keydown", this.globalHotkeysEvents.handleKeyDown);
document.removeEventListener("keyup", this.globalHotkeysEvents.handleKeyUp);
this.globalHotkeysEvents.clear();
this.localHotkeysEvents.clear();
};
HotkeysTargetClass.prototype.render = function () {
var _this = this;
var element = _super.prototype.render.call(this);
if (element == null) {
// always return `element` in case caller is distinguishing between `null` and `undefined`
return element;
}
if (!React.isValidElement(element)) {
console.warn(HOTKEYS_WARN_DECORATOR_NEEDS_REACT_ELEMENT);
return element;
}
if (isFunction(this.renderHotkeys)) {
var hotkeys = this.renderHotkeys();
if (this.localHotkeysEvents) {
this.localHotkeysEvents.setHotkeys(hotkeys.props);
}
if (this.globalHotkeysEvents) {
this.globalHotkeysEvents.setHotkeys(hotkeys.props);
}
if (this.localHotkeysEvents.count() > 0) {
var tabIndex = hotkeys.props.tabIndex === undefined ? 0 : hotkeys.props.tabIndex;
var _a = element.props, existingKeyDown_1 = _a.onKeyDown, existingKeyUp_1 = _a.onKeyUp;
var handleKeyDownWrapper = function (e) {
_this.localHotkeysEvents.handleKeyDown(e.nativeEvent);
safeInvoke(existingKeyDown_1, e);
};
var handleKeyUpWrapper = function (e) {
_this.localHotkeysEvents.handleKeyUp(e.nativeEvent);
safeInvoke(existingKeyUp_1, e);
};
return React.cloneElement(element, {
onKeyDown: handleKeyDownWrapper,
onKeyUp: handleKeyUpWrapper,
tabIndex: tabIndex,
});
}
}
return element;
};
return HotkeysTargetClass;
}(WrappedComponent)),
_a.displayName = "HotkeysTarget(" + getDisplayName(WrappedComponent) + ")",
_a;
}
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