devextreme/ui/scheduler/ui.scheduler.appointments.strategy.horizontal_month_line.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (ui/scheduler/ui.scheduler.appointments.strategy.horizontal_month_line.js)
 * Version: 18.1.3
 * Build date: Tue May 15 2018
 *
 * Copyright (c) 2012 - 2018 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
var HorizontalAppointmentsStrategy = require("./ui.scheduler.appointments.strategy.horizontal"),
    dateUtils = require("../../core/utils/date"),
    query = require("../../data/query");
var HorizontalMonthLineRenderingStrategy = HorizontalAppointmentsStrategy.inherit({
    calculateAppointmentWidth: function(appointment, position, isRecurring) {
        var startDate = new Date(this._startDate(appointment, false, position)),
            endDate = new Date(this._endDate(appointment, position, isRecurring)),
            cellWidth = this._defaultWidth || this.getAppointmentMinSize();
        startDate = dateUtils.trimTime(startDate);
        var durationInHours = (endDate.getTime() - startDate.getTime()) / 36e5;
        return Math.ceil(durationInHours / 24) * cellWidth
    },
    getDeltaTime: function(args, initialSize) {
        var deltaWidth = this._getDeltaWidth(args, initialSize);
        return 864e5 * deltaWidth
    },
    isAllDay: function() {
        return false
    },
    createTaskPositionMap: function(items, skipSorting) {
        if (!skipSorting) {
            this.instance.getAppointmentsInstance()._sortAppointmentsByStartDate(items)
        }
        return this.callBase(items)
    },
    _getSortedPositions: function(map, skipSorting) {
        var result = this.callBase(map);
        if (!skipSorting) {
            result = query(result).sortBy("top").thenBy("left").thenBy("i").toArray()
        }
        return result
    },
    needCorrectAppointmentDates: function() {
        return false
    }
});
module.exports = HorizontalMonthLineRenderingStrategy;