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Data Grid
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Scheduler - Current Time Indicator
The Scheduler indicates the current time if you enable the showCurrentTimeIndicator property. Use the indicatorUpdateInterval property to specify how frequently the indicator should change its position.
You can also shade the timetable up to the current time. To enable this feature, set the shadeUntilCurrentTime property to true.
In this example, you can use the controls under the Scheduler to change the above mentioned properties at runtime.
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Backend API
x
@model DevExtreme.MVC.Demos.ViewModels.DynamicAppointmentsViewModel
@(Html.DevExtreme().Scheduler()
.ID("scheduler")
.DataSource(Model.Appointments)
.Views(new[] { SchedulerViewType.Week, SchedulerViewType.TimelineWeek })
.CurrentView(SchedulerViewType.Week)
.CurrentDate(new JS("new Date()"))
.ShowCurrentTimeIndicator(true)
.ShadeUntilCurrentTime(true)
.ShowAllDayPanel(false)
.Editing(false)
.Resources(res => { res.Add()
.FieldExpr("MovieId")
.ValueExpr("Id")
.DataSource(Model.Resources);
})
.Height(600)
.StartDateExpr("StartDate")
.EndDateExpr("EndDate")
.RecurrenceRuleExpr("RecurrenceRule")
.OnContentReady("onContentReady")
.OnAppointmentClick("onAppointmentClick")
.OnAppointmentDblClick("onAppointmentClick")
.AppointmentTemplate(@<text>
<% var movie = getMovieById(appointmentData.MovieId); %>
<div class="movie">
<img src="<%- movie.Image %>" alt="" />
<div class="movie-text"><%- movie.Text %></div>
</div>
</text>)
)
<div class="options">
<div class="column">
<div class="option">
<div class="label">Current time indicator</div>
<div class="value">
@(Html.DevExtreme().Switch()
.ID("show-indicator")
.Value(true)
.OnValueChanged("onCurrentTimeIndicatorChanged")
)
</div>
</div>
<div class="option">
<div class="label">Shading until current time</div>
<div class="value">
@(Html.DevExtreme().Switch()
.ID("allow-shading")
.Value(true)
.OnValueChanged("onShadingChanged")
)
</div>
</div>
</div>
<div class="column">
<div class="option">
<div class="label">Update position in</div>
<div class="value">
@(Html.DevExtreme().NumberBox()
.ID("update-interval")
.Min(1)
.Max(1200)
.Value(10)
.Step(10)
.ShowSpinButtons(true)
.Width("100px")
.Format("#0 s")
.InputAttr("aria-label", "Position")
.OnValueChanged("onUpdateIntervalChanged")
)
</div>
</div>
</div>
</div>
<script>
let moviesData = @Html.Raw(System.Text.Json.JsonSerializer.Serialize(Model.Resources));
function onContentReady(e) {
e.component.scrollTo(new Date());
}
function onAppointmentClick(e) {
e.cancel = true;
}
function getSchedulerInstance() {
return $("#scheduler").dxScheduler("instance");
}
function getMovieById(id) {
return DevExpress.data.query(moviesData)
.filter("Id", id)
.toArray()[0]
}
function onCurrentTimeIndicatorChanged(e) {
getSchedulerInstance().option("showCurrentTimeIndicator", e.value);
}
function onShadingChanged(e) {
getSchedulerInstance().option("shadeUntilCurrentTime", e.value);
}
function onUpdateIntervalChanged(e) {
getSchedulerInstance().option("indicatorUpdateInterval", e.value * 1000);
}
</script>
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