devextreme/cjs/__internal/ui/calendar/calendar.multiple.selection.strategy.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/__internal/ui/calendar/calendar.multiple.selection.strategy.js)
 * Version: 25.1.5
 * Build date: Wed Sep 03 2025
 *
 * Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = void 0;
var _calendarSelection = _interopRequireDefault(require("./calendar.selection.strategy"));

function _interopRequireDefault(e) {
    return e && e.__esModule ? e : {
        default: e
    }
}
class CalendarMultiSelectionStrategy extends _calendarSelection.default {
    constructor(component) {
        super(component);
        this.NAME = "MultiSelection"
    }
    dateOption(optionName) {
        if ("value" === optionName) {
            return this.calendar._getDateOption("value")
        }
        return this.calendar._getDateOption(optionName)
    }
    getViewOptions() {
        return {
            value: this.dateOption("value"),
            range: [],
            selectionMode: "multiple",
            onWeekNumberClick: this._shouldHandleWeekNumberClick() ? this._weekNumberClickHandler.bind(this) : null
        }
    }
    selectValue(selectedValue, e) {
        const value = [...this.dateOption("value")];
        const alreadySelectedIndex = value.findIndex((date => (null === date || void 0 === date ? void 0 : date.toDateString()) === selectedValue.toDateString()));
        if (alreadySelectedIndex > -1) {
            value.splice(alreadySelectedIndex, 1)
        } else {
            value.push(selectedValue)
        }
        this.skipNavigate();
        this._updateCurrentDate(selectedValue);
        this._currentDateChanged = true;
        this.dateValue(value, e)
    }
    updateAriaSelected(val, previousVal) {
        const value = val ?? this.dateOption("value");
        const previousValue = previousVal ?? [];
        super.updateAriaSelected(value, previousValue)
    }
    getDefaultCurrentDate() {
        const value = this.dateOption("value");
        const dates = value.filter((date => null !== date));
        return this._getLowestDateInArray(dates)
    }
    restoreValue() {
        this.calendar.option("value", [])
    }
    _weekNumberClickHandler(_ref) {
        let {
            rowDates: rowDates,
            event: event
        } = _ref;
        const selectedDates = rowDates.filter((date => !this._isDateDisabled(date)));
        this.dateValue(selectedDates, event)
    }
}
var _default = exports.default = CalendarMultiSelectionStrategy;