devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
77 lines (75 loc) • 2.89 kB
JavaScript
/**
* DevExtreme (cjs/__internal/events/m_dblclick.js)
* Version: 24.2.6
* Build date: Mon Mar 17 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.name = exports.dblClick = void 0;
var _click = require("../../common/core/events/click");
var _events_engine = _interopRequireDefault(require("../../common/core/events/core/events_engine"));
var _index = require("../../common/core/events/utils/index");
var _class = _interopRequireDefault(require("../../core/class"));
var _dom_adapter = _interopRequireDefault(require("../../core/dom_adapter"));
var _dom = require("../../core/utils/dom");
function _interopRequireDefault(e) {
return e && e.__esModule ? e : {
default: e
}
}
const DBLCLICK_EVENT_NAME = exports.name = "dxdblclick";
const DBLCLICK_NAMESPACE = "dxDblClick";
const NAMESPACED_CLICK_EVENT = (0, _index.addNamespace)(_click.name, "dxDblClick");
const DBLCLICK_TIMEOUT = 300;
const DblClick = _class.default.inherit({
ctor() {
this._handlerCount = 0;
this._forgetLastClick()
},
_forgetLastClick() {
this._firstClickTarget = null;
this._lastClickTimeStamp = -300
},
add() {
if (this._handlerCount <= 0) {
_events_engine.default.on(_dom_adapter.default.getDocument(), NAMESPACED_CLICK_EVENT, this._clickHandler.bind(this))
}
this._handlerCount += 1
},
_clickHandler(e) {
const timeStamp = e.timeStamp || Date.now();
const timeBetweenClicks = timeStamp - this._lastClickTimeStamp;
const isSimulated = timeBetweenClicks < 0;
const isDouble = !isSimulated && timeBetweenClicks < 300;
if (isDouble) {
(0, _index.fireEvent)({
type: DBLCLICK_EVENT_NAME,
target: (0, _dom.closestCommonParent)(this._firstClickTarget, e.target),
originalEvent: e
});
this._forgetLastClick()
} else {
this._firstClickTarget = e.target;
this._lastClickTimeStamp = timeStamp;
clearTimeout(this._lastClickClearTimeout);
this._lastClickClearTimeout = setTimeout((() => {
this._forgetLastClick()
}), 600)
}
},
remove() {
this._handlerCount -= 1;
if (this._handlerCount <= 0) {
this._forgetLastClick();
_events_engine.default.off(_dom_adapter.default.getDocument(), NAMESPACED_CLICK_EVENT, void 0);
clearTimeout(this._lastClickClearTimeout);
this._handlerCount = 0
}
}
});
const dblClick = exports.dblClick = new DblClick;