BlockUI

BlockUI can block certain elements or the whole page.


import { BlockUI } from 'primereact/blockui';
         

The element to block should be placed as a child of BlockUI and blocked property is required to control the state.

Basic

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.


<div className="mb-3">
    <Button label="Block" onClick={() => setBlocked(true)} className="mr-2"></Button>
    <Button label="Unblock" onClick={() => setBlocked(false)}></Button>
</div>
<BlockUI blocked={blocked}>
    <Panel header="Basic">
        <p className="m-0">
            Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
            consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est
            laborum.
        </p>
    </Panel>
</BlockUI>
         

Enabling fullScreen property controls the document.


<BlockUI blocked={blocked} fullScreen />
<Button label="Block" onClick={() => setBlocked(true)} />
         

Custom content can be placed inside the modal layer using the template property.

Template

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.


<div className="mb-3">
    <Button label="Block" onClick={() => setBlocked(true)} className="mr-2"></Button>
    <Button label="Unblock" onClick={() => setBlocked(false)}></Button>
</div>
<BlockUI blocked={blocked}>
    <Panel header="Template">
        <p className="m-0">
            Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
            consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est
            laborum.
        </p>
    </Panel>
</BlockUI>
         

Following is the list of structural style classes, for theming classes visit theming page.

NameElement
p-blockuiMask element.
p-blockui-documentMask element in full screen mode.
Accessibility guide documents the specification of this component based on WCAG guidelines, the implementation is in progress.

Screen Reader

BlockUI manages aria-busy state attribute when the UI gets blocked and unblocked. Any valid attribute is passed to the root element so additional attributes like role and aria-live can be used to define live regions.

Keyboard Support

Component does not include any interactive elements.

Visit the API documentation for detailed information about all the properties, events and methods of the component.