devextreme
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JavaScript/TypeScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (cjs/__internal/scheduler/workspaces/m_timeline.js)
* Version: 25.2.7
* Build date: Tue May 05 2026
*
* Copyright (c) 2012 - 2026 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 _component_registrator = _interopRequireDefault(require("../../../core/component_registrator"));
var _renderer = _interopRequireDefault(require("../../../core/renderer"));
var _common = require("../../../core/utils/common");
var _date = _interopRequireDefault(require("../../../core/utils/date"));
var _extend = require("../../../core/utils/extend");
var _position = require("../../../core/utils/position");
var _size = require("../../../core/utils/size");
var _window = require("../../../core/utils/window");
var _index = require("../../scheduler/r1/components/index");
var _index2 = require("../../scheduler/r1/utils/index");
var _m_classes = require("../m_classes");
var _m_table_creator = _interopRequireDefault(require("../m_table_creator"));
var _m_utils_time_zone = _interopRequireDefault(require("../m_utils_time_zone"));
var _current_time_shader_horizontal = _interopRequireDefault(require("../shaders/current_time_shader_horizontal"));
var _m_work_space_indicator = _interopRequireDefault(require("./m_work_space_indicator"));
function _interopRequireDefault(e) {
return e && e.__esModule ? e : {
default: e
}
}
const {
tableCreator: tableCreator
} = _m_table_creator.default;
const TIMELINE_CLASS = "dx-scheduler-timeline";
const GROUP_TABLE_CLASS = "dx-scheduler-group-table";
const HORIZONTAL_GROUPED_WORKSPACE_CLASS = "dx-scheduler-work-space-horizontal-grouped";
const HEADER_PANEL_CELL_CLASS = "dx-scheduler-header-panel-cell";
const HEADER_PANEL_WEEK_CELL_CLASS = "dx-scheduler-header-panel-week-cell";
const HEADER_ROW_CLASS = "dx-scheduler-header-row";
const HORIZONTAL = "horizontal";
const toMs = _date.default.dateToMilliseconds;
class SchedulerTimeline extends _m_work_space_indicator.default {
constructor() {
super(...arguments);
this.viewDirection = "horizontal"
}
get verticalGroupTableClass() {
return GROUP_TABLE_CLASS
}
get renovatedHeaderPanelComponent() {
return _index.HeaderPanelTimelineComponent
}
getGroupTableWidth() {
return this.$sidebarTable ? (0, _size.getOuterWidth)(this.$sidebarTable) : 0
}
getTotalRowCount(groupCount) {
if (this._isHorizontalGroupedWorkSpace()) {
return this.getRowCount()
}
groupCount = groupCount || 1;
return this.getRowCount() * groupCount
}
getFormat() {
return "shorttime"
}
getWorkSpaceHeight() {
if (this.option("crossScrollingEnabled") && (0, _window.hasWindow)()) {
return (0, _position.getBoundingRect)(this._$dateTable.get(0)).height
}
return (0, _position.getBoundingRect)(this.$element().get(0)).height
}
dateTableScrollableConfig() {
const config = super.dateTableScrollableConfig();
const timelineConfig = {
direction: HORIZONTAL
};
return this.option("crossScrollingEnabled") ? config : (0, _extend.extend)(config, timelineConfig)
}
needCreateCrossScrolling() {
return true
}
headerScrollableConfig() {
const config = super.headerScrollableConfig();
return (0, _extend.extend)(config, {
scrollByContent: true
})
}
supportAllDayRow() {
return false
}
getGroupHeaderContainer() {
if (this._isHorizontalGroupedWorkSpace()) {
return this._$thead
}
return this.$sidebarTable
}
insertAllDayRowsIntoDateTable() {
return false
}
needRenderWeekHeader() {
return false
}
incrementDate(date) {
date.setDate(date.getDate() + 1)
}
getIndicationCellCount() {
const timeDiff = this.getTimeDiff();
return this.calculateDurationInCells(timeDiff)
}
getTimeDiff() {
let today = this.getToday();
const date = this.getIndicationFirstViewDate();
const startViewDate = this.getStartViewDate();
const dayLightOffset = _m_utils_time_zone.default.getDaylightOffsetInMs(startViewDate, today);
if (dayLightOffset) {
today = new Date(today.getTime() + dayLightOffset)
}
return today.getTime() - date.getTime()
}
calculateDurationInCells(timeDiff) {
const today = this.getToday();
const differenceInDays = Math.floor(timeDiff / toMs("day"));
let duration = (timeDiff - differenceInDays * toMs("day") - this.option("startDayHour") * toMs("hour")) / this.getCellDuration();
if (today.getHours() > this.option("endDayHour")) {
duration = this.getCellCountInDay()
}
if (duration < 0) {
duration = 0
}
return differenceInDays * this.getCellCountInDay() + duration
}
getIndicationWidth() {
if (this.isGroupedByDate()) {
const cellCount = this.getIndicationCellCount();
const integerPart = Math.floor(cellCount);
const fractionPart = cellCount - integerPart;
return this.getCellWidth() * (integerPart * this._getGroupCount() + fractionPart)
}
return this.getIndicationCellCount() * this.getCellWidth()
}
isVerticalShader() {
return false
}
isCurrentTimeHeaderCell() {
return false
}
setTableSizes() {
super.setTableSizes();
const minHeight = this.getWorkSpaceMinHeight();
(0, _size.setHeight)(this.$sidebarTable, minHeight);
(0, _size.setHeight)(this._$dateTable, minHeight);
this.virtualScrollingDispatcher.updateDimensions()
}
getWorkSpaceMinHeight() {
let minHeight = this.getWorkSpaceHeight();
const workspaceContainerHeight = (0, _size.getOuterHeight)(this._$flexContainer, true);
if (minHeight < workspaceContainerHeight) {
minHeight = workspaceContainerHeight
}
return minHeight
}
getCellCoordinatesByIndex(index) {
return {
columnIndex: index % this._getCellCount(),
rowIndex: 0
}
}
getCellElementByPosition(cellCoordinates, groupIndex) {
const indexes = this._groupedStrategy.prepareCellIndexes(cellCoordinates, groupIndex);
return this._$dateTable.find("tr").eq(indexes.rowIndex).find("td").eq(indexes.columnIndex)
}
getWorkSpaceWidth() {
return (0, _size.getOuterWidth)(this._$dateTable, true)
}
getIndicationFirstViewDate() {
return _date.default.trimTime(new Date(this.getStartViewDate()))
}
getIntervalBetween(currentDate, allDay) {
const startDayHour = this.option("startDayHour");
const endDayHour = this.option("endDayHour");
const firstViewDate = this.getStartViewDate();
const firstViewDateTime = firstViewDate.getTime();
const hiddenInterval = (24 - endDayHour + startDayHour) * toMs("hour");
const timeZoneOffset = _date.default.getTimezonesDifference(firstViewDate, currentDate);
const apptStart = currentDate.getTime();
const fullInterval = apptStart - firstViewDateTime - timeZoneOffset;
const fullDays = Math.floor(fullInterval / toMs("day"));
const tailDuration = fullInterval - fullDays * toMs("day");
let tailDelta = 0;
const cellCount = this.getCellCountInDay() * (fullDays - this.getWeekendsCount(fullDays));
const gapBeforeAppt = apptStart - _date.default.trimTime(new Date(currentDate)).getTime();
let result = cellCount * this.option("hoursInterval") * toMs("hour");
if (!allDay) {
const hour = currentDate.getHours();
switch (true) {
case hour < startDayHour:
tailDelta = tailDuration - hiddenInterval + gapBeforeAppt;
break;
case hour >= startDayHour && hour < endDayHour:
tailDelta = tailDuration;
break;
case hour >= endDayHour:
tailDelta = tailDuration - (gapBeforeAppt - endDayHour * toMs("hour"));
break;
case !fullDays:
result = fullInterval
}
result += tailDelta
}
return result
}
getWeekendsCount(argument) {
return 0
}
getAllDayContainer() {
return null
}
getTimePanelWidth() {
return 0
}
getIntervalDuration(allDay) {
return this.getCellDuration()
}
getCellMinWidth() {
return 0
}
getWorkSpaceLeftOffset() {
return 0
}
renderRAllDayPanel() {}
renderRTimeTable() {}
renderGroupAllDayPanel() {}
generateRenderOptions(argument) {
const options = super.generateRenderOptions(true);
return Object.assign({}, options, {
isGenerateWeekDaysHeaderData: this.needRenderWeekHeader(),
getDateForHeaderText: _index2.timelineWeekUtils.getDateForHeaderText
})
}
_init() {
super._init();
this.$element().addClass(TIMELINE_CLASS);
this.$sidebarTable = (0, _renderer.default)("<div>").addClass(GROUP_TABLE_CLASS)
}
getDefaultGroupStrategy() {
return "vertical"
}
toggleGroupingDirectionClass() {
this.$element().toggleClass(HORIZONTAL_GROUPED_WORKSPACE_CLASS, this._isHorizontalGroupedWorkSpace())
}
_getDefaultOptions() {
return (0, _extend.extend)(super._getDefaultOptions(), {
groupOrientation: "vertical"
})
}
createWorkSpaceElements() {
this.createWorkSpaceScrollableElements()
}
updateAllDayVisibility() {
return (0, _common.noop)()
}
getDateHeaderTemplate() {
return this.option("timeCellTemplate")
}
renderView() {
let groupCellTemplates;
if (!this.isRenovatedRender()) {
groupCellTemplates = this.renderGroupHeader()
}
this.renderWorkSpace();
if (this.isRenovatedRender()) {
this.virtualScrollingDispatcher.updateDimensions()
}
this._shader = new _current_time_shader_horizontal.default(this);
this.$sidebarTable.appendTo(this._sidebarScrollable.$content());
if (this.isRenovatedRender() && this.isVerticalGroupedWorkSpace()) {
this.renderRGroupPanel()
}
this.updateHeaderEmptyCellWidth();
this.applyCellTemplates(groupCellTemplates)
}
setHorizontalGroupHeaderCellsHeight() {
return (0, _common.noop)()
}
getTimePanelCells() {
return this.$element().find(`.${HEADER_PANEL_CELL_CLASS}:not(.${HEADER_PANEL_WEEK_CELL_CLASS})`)
}
getCurrentTimePanelCellIndices() {
const columnCountPerGroup = this._getCellCount();
const today = this.getToday();
const index = this.getCellIndexByDate(today);
const {
columnIndex: currentTimeColumnIndex
} = this.getCellCoordinatesByIndex(index);
if (void 0 === currentTimeColumnIndex) {
return []
}
const horizontalGroupCount = this._isHorizontalGroupedWorkSpace() && !this.isGroupedByDate() ? this._getGroupCount() : 1;
return [...new Array(horizontalGroupCount)].map((_, groupIndex) => columnCountPerGroup * groupIndex + currentTimeColumnIndex)
}
renderTimePanel() {
return (0, _common.noop)()
}
renderAllDayPanel() {
return (0, _common.noop)()
}
createAllDayPanelElements() {
return (0, _common.noop)()
}
renderDateHeader() {
const $headerRow = super.renderDateHeader();
if (this.needRenderWeekHeader()) {
const firstViewDate = new Date(this.getStartViewDate());
let currentDate = new Date(firstViewDate);
const $cells = [];
const groupCount = this._getGroupCount();
const cellCountInDay = this.getCellCountInDay();
const colSpan = this.isGroupedByDate() ? cellCountInDay * groupCount : cellCountInDay;
const cellTemplate = this.option("dateCellTemplate");
const horizontalGroupCount = this._isHorizontalGroupedWorkSpace() && !this.isGroupedByDate() ? groupCount : 1;
const cellsInGroup = this.viewDataProvider.viewDataGenerator.daysInInterval * this.option("intervalCount");
const cellsCount = cellsInGroup * horizontalGroupCount;
for (let templateIndex = 0; templateIndex < cellsCount; templateIndex++) {
const $th = (0, _renderer.default)("<th>");
const text = (0, _index2.formatWeekdayAndDay)(currentDate);
if (cellTemplate) {
const templateOptions = {
model: Object.assign({
text: text,
date: new Date(currentDate)
}, this.getGroupsForDateHeaderTemplate(templateIndex, colSpan)),
container: $th,
index: templateIndex
};
cellTemplate.render(templateOptions)
} else {
$th.text(text)
}
$th.addClass(HEADER_PANEL_CELL_CLASS).addClass(HEADER_PANEL_WEEK_CELL_CLASS).attr("colSpan", colSpan);
$cells.push($th);
if (templateIndex % cellsInGroup === cellsInGroup - 1) {
currentDate = new Date(firstViewDate)
} else {
this.incrementDate(currentDate)
}
}
const $row = (0, _renderer.default)("<tr>").addClass(HEADER_ROW_CLASS).append($cells);
$headerRow.before($row)
}
}
renderIndicator(height, rtlOffset, $container, groupCount) {
let $indicator;
const width = this.getIndicationWidth();
if ("vertical" === this.option("groupOrientation")) {
$indicator = this.createIndicator($container);
(0, _size.setHeight)($indicator, (0, _position.getBoundingRect)($container.get(0)).height);
$indicator.css("left", rtlOffset ? rtlOffset - width : width)
} else {
for (let i = 0; i < groupCount; i++) {
const offset = this.isGroupedByDate() ? i * this.getCellWidth() : this._getCellCount() * this.getCellWidth() * i;
$indicator = this.createIndicator($container);
(0, _size.setHeight)($indicator, (0, _position.getBoundingRect)($container.get(0)).height);
$indicator.css("left", rtlOffset ? rtlOffset - width - offset : width + offset)
}
}
}
makeGroupRows(groups, groupByDate) {
const tableCreatorStrategy = "vertical" === this.option("groupOrientation") ? tableCreator.VERTICAL : tableCreator.HORIZONTAL;
return tableCreator.makeGroupedTable(tableCreatorStrategy, groups, {
groupRowClass: _m_classes.GROUP_ROW_CLASS,
groupHeaderRowClass: _m_classes.GROUP_ROW_CLASS,
groupHeaderClass: this.getGroupHeaderClass.bind(this),
groupHeaderContentClass: _m_classes.GROUP_HEADER_CONTENT_CLASS
}, this._getCellCount() || 1, this.option("resourceCellTemplate"), this.getTotalRowCount(this._getGroupCount()), groupByDate)
}
setCurrentTimeCells() {
const timePanelCells = this.getTimePanelCells();
const currentTimeCellIndices = this.getCurrentTimePanelCellIndices();
currentTimeCellIndices.forEach(timePanelCellIndex => {
timePanelCells.eq(timePanelCellIndex).addClass(_m_classes.HEADER_CURRENT_TIME_CELL_CLASS)
})
}
}(0, _component_registrator.default)("dxSchedulerTimeline", SchedulerTimeline);
var _default = exports.default = SchedulerTimeline;