Timeline

Timeline visualizes a series of chained events.


import { Timeline } from 'primeng/timeline';

Timeline receives the events with the value property as a collection of arbitrary objects. In addition, content template is required to display the representation of an event. Example below is a sample events array that is used throughout the documentation.

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<p-timeline [value]="events">
    <ng-template pTemplate="content" let-event>
        {{ event.status }}
    </ng-template>
</p-timeline>

Content location relative the line is defined with the align property.

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<p-timeline [value]="events" class="w-full md:w-80">
    <ng-template pTemplate="content" let-event>
        {{ event.status }}
    </ng-template>
</p-timeline>

<p-timeline [value]="events" class="w-full md:w-80" align="right">
    <ng-template pTemplate="content" let-event>
        {{ event.status }}
    </ng-template>
</p-timeline>

<p-timeline [value]="events" class="w-full md:w-80" align="alternate">
    <ng-template pTemplate="content" let-event>
        {{ event.status }}
    </ng-template>
</p-timeline>

Additional content at the other side of the line can be provided with the opposite property.

15/10/2020 10:30
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15/10/2020 14:00
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15/10/2020 16:15
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16/10/2020 10:00
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<p-timeline [value]="events">
    <ng-template pTemplate="opposite" let-event>
        <small class="text-surface-500 dark:text-surface-400">{{ event.date }}</small>
    </ng-template>
    <ng-template pTemplate="content" let-event>
        {{ event.status }}
    </ng-template>
</p-timeline>

Sample implementation with custom content and styled markers.

Ordered
undefined

Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore sed consequuntur error repudiandae numquam deserunt quisquam repellat libero asperiores earum nam nobis, culpa ratione quam perferendis esse, cupiditate neque quas!

Processing

Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore sed consequuntur error repudiandae numquam deserunt quisquam repellat libero asperiores earum nam nobis, culpa ratione quam perferendis esse, cupiditate neque quas!

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Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore sed consequuntur error repudiandae numquam deserunt quisquam repellat libero asperiores earum nam nobis, culpa ratione quam perferendis esse, cupiditate neque quas!

Delivered

Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore sed consequuntur error repudiandae numquam deserunt quisquam repellat libero asperiores earum nam nobis, culpa ratione quam perferendis esse, cupiditate neque quas!


<p-timeline [value]="events" align="alternate" styleClass="customized-timeline">
    <ng-template pTemplate="marker" let-event>
        <span
            class="flex w-8 h-8 items-center justify-center text-white rounded-full z-10 shadow-sm"
            [style]="{ 'background-color': event.color }">
                <i [class]="event.icon"></i>
        </span>
    </ng-template>
    <ng-template pTemplate="content" let-event>
        <p-card [header]="event.status" [subheader]="event.date">
            <img
                *ngIf="event.image"
                [src]="'https://primefaces.org/cdn/primeng/images/demo/product/' + event.image"
                [alt]="event.name"
                width="200"
                class="shadow" />
            <p>
                Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore sed consequuntur error repudiandae numquam deserunt quisquam repellat libero asperiores earum nam nobis, culpa ratione quam perferendis esse, cupiditate
                neque quas!
            </p>
            <p-button label="Read more" [text]="true" />
        </p-card>
    </ng-template>
</p-timeline>

TimeLine orientation is controlled with the layout property, default is vertical having horizontal as the alternative.

2020
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2020
2021
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2023
 
2020
 
2021
 
2022
 
2023

<p-timeline [value]="events" layout="horizontal" align="top">
    <ng-template pTemplate="content" let-event>
        {{ event }}
    </ng-template>
</p-timeline>

<p-timeline [value]="events" layout="horizontal" align="bottom">
    <ng-template pTemplate="content" let-event>
        {{ event }}
    </ng-template>
</p-timeline>

<p-timeline [value]="events" layout="horizontal" align="alternate">
    <ng-template pTemplate="content" let-event>
        {{ event }}
    </ng-template>
    <ng-template pTemplate="opposite" let-event>
        <span>&nbsp;</span>
    </ng-template>
</p-timeline>

Screen Reader

Timeline uses a semantic ordered list element to list the events. No specific role is enforced, still you may use any aria role and attributes as any valid attribute is passed to the list element.

Keyboard Support

Component does not include any interactive elements.