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

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (ui/scheduler/ui.scheduler.appointments.strategy.horizontal_month.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 noop = require("../../core/utils/common").noop,
    extend = require("../../core/utils/extend").extend,
    HorizontalMonthLineAppointmentsStrategy = require("./ui.scheduler.appointments.strategy.horizontal_month_line");
var MONTH_APPOINTMENT_HEIGHT_RATIO = .6,
    MONTH_APPOINTMENT_MIN_OFFSET = 26,
    MONTH_APPOINTMENT_MAX_OFFSET = 30,
    MONTH_DROPDOWN_APPOINTMENT_MIN_RIGHT_OFFSET = 36,
    MONTH_DROPDOWN_APPOINTMENT_MAX_RIGHT_OFFSET = 60;
var HorizontalMonthRenderingStrategy = HorizontalMonthLineAppointmentsStrategy.inherit({
    _getAppointmentParts: function(appointmentGeometry, appointmentSettings, startDate) {
        var deltaWidth = appointmentGeometry.sourceAppointmentWidth - appointmentGeometry.reducedWidth,
            height = appointmentGeometry.height,
            fullWeekAppointmentWidth = this._getFullWeekAppointmentWidth(appointmentSettings.groupIndex),
            maxAppointmentWidth = this._getMaxAppointmentWidth(startDate),
            longPartCount = Math.ceil(deltaWidth / fullWeekAppointmentWidth) - 1,
            tailWidth = Math.floor(deltaWidth % fullWeekAppointmentWidth) || fullWeekAppointmentWidth,
            result = [],
            totalWidth = appointmentGeometry.reducedWidth + tailWidth,
            currentPartTop = appointmentSettings.top + this._defaultHeight,
            left = this._calculateMultiWeekAppointmentLeftOffset(appointmentSettings.hMax, fullWeekAppointmentWidth);
        if ("vertical" === this.instance._groupOrientation) {
            left += this.instance.fire("getWorkSpaceDateTableOffset")
        }
        for (var i = 0; i < longPartCount; i++) {
            if (totalWidth > maxAppointmentWidth) {
                break
            }
            result.push(extend(true, {}, appointmentSettings, {
                top: currentPartTop,
                left: left,
                height: height,
                width: fullWeekAppointmentWidth,
                appointmentReduced: "body",
                rowIndex: ++appointmentSettings.rowIndex,
                cellIndex: 0
            }));
            currentPartTop += this._defaultHeight;
            totalWidth += fullWeekAppointmentWidth
        }
        if (tailWidth) {
            if (this._isRtl()) {
                left += fullWeekAppointmentWidth - tailWidth
            }
            result.push(extend(true, {}, appointmentSettings, {
                top: currentPartTop,
                left: left,
                height: height,
                width: tailWidth,
                appointmentReduced: "tail",
                rowIndex: ++appointmentSettings.rowIndex,
                cellIndex: 0
            }))
        }
        return result
    },
    _calculateMultiWeekAppointmentLeftOffset: function(max, width) {
        return this._isRtl() ? max : max - width
    },
    _correctRtlCoordinatesParts: noop,
    _getFullWeekAppointmentWidth: function(groupIndex) {
        this.instance.fire("getFullWeekAppointmentWidth", {
            groupIndex: groupIndex,
            callback: function(width) {
                this._maxFullWeekAppointmentWidth = width
            }.bind(this)
        });
        return this._maxFullWeekAppointmentWidth
    },
    _getCompactLeftCoordinate: function(itemLeft, index) {
        var cellWidth = this._defaultWidth || this.getAppointmentMinSize();
        return itemLeft + cellWidth * index
    },
    _checkLongCompactAppointment: function(item, result) {
        this._splitLongCompactAppointment(item, result);
        return result
    },
    _getMaxHeight: function() {
        return this._defaultHeight || this.getAppointmentMinSize()
    },
    createTaskPositionMap: function(items) {
        return this.callBase(items, true)
    },
    _getSortedPositions: function(map) {
        return this.callBase(map, true)
    },
    _customizeAppointmentGeometry: function(coordinates) {
        var config = this._calculateGeometryConfig(coordinates);
        return this._customizeCoordinates(coordinates, config.height, config.appointmentCountPerCell, config.offset)
    },
    _getAppointmentCount: function() {
        return this._getMaxAppointmentCountPerCell()
    },
    _getDefaultRatio: function() {
        return MONTH_APPOINTMENT_HEIGHT_RATIO
    },
    _getOffsets: function() {
        return {
            unlimited: MONTH_APPOINTMENT_MIN_OFFSET,
            auto: MONTH_APPOINTMENT_MAX_OFFSET
        }
    },
    getCompactAppointmentGroupMaxWidth: function(intervalCount) {
        var offset = intervalCount > 1 ? MONTH_DROPDOWN_APPOINTMENT_MAX_RIGHT_OFFSET : MONTH_DROPDOWN_APPOINTMENT_MIN_RIGHT_OFFSET;
        return this.getDefaultCellWidth() - offset
    },
    needCorrectAppointmentDates: function() {
        return false
    },
    _needVerticalGroupBounds: function() {
        return false
    },
    _needHorizontalGroupBounds: function() {
        return true
    }
});
module.exports = HorizontalMonthRenderingStrategy;