devextreme/esm/ui/calendar/ui.calendar.multiple.selection.strategy.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/ui/calendar/ui.calendar.multiple.selection.strategy.js)
 * Version: 23.2.6
 * Build date: Wed May 01 2024
 *
 * Copyright (c) 2012 - 2024 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import CalendarSelectionStrategy from "./ui.calendar.selection.strategy";
class CalendarMultiSelectionStrategy extends CalendarSelectionStrategy {
    constructor(component) {
        super(component);
        this.NAME = "MultiSelection"
    }
    getViewOptions() {
        return {
            value: this.dateOption("value"),
            range: [],
            selectionMode: "multi",
            onWeekNumberClick: this._shouldHandleWeekNumberClick() ? this._weekNumberClickHandler.bind(this) : null
        }
    }
    selectValue(selectedValue, e) {
        var value = [...this.dateOption("value")];
        var 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(value, previousValue) {
        var _value, _previousValue;
        null !== (_value = value) && void 0 !== _value ? _value : value = this.dateOption("value");
        null !== (_previousValue = previousValue) && void 0 !== _previousValue ? _previousValue : previousValue = [];
        super.updateAriaSelected(value, previousValue)
    }
    getDefaultCurrentDate() {
        var dates = this.dateOption("value").filter(value => value);
        return this._getLowestDateInArray(dates)
    }
    restoreValue() {
        this.calendar.option("value", [])
    }
    _weekNumberClickHandler(_ref) {
        var {
            rowDates: rowDates,
            event: event
        } = _ref;
        var selectedDates = rowDates.filter(date => !this._isDateDisabled(date));
        this.dateValue(selectedDates, event)
    }
}
export default CalendarMultiSelectionStrategy;