Prevent the parent component's ripple effect from being activated by the child component

If I have a simple code snippet like the following:


<ListItem
  button={true}
>
  <Typography variant='caption' color='primary'>
            {value}
  </Typography>
  <Button
    onClick={foo}
  >
    Button
  </Button>
</ListItem>

When clicking anything inside the ListItem, the ripple effect is triggered as expected. However, when clicking the button, I do not want the ripple effect of the parent component to be activated. How can this be accomplished?

Answer №1

To prevent event propagation, implement event.stopPropagation() within the button's click handler. Specifically, include it inside the foo() function for your scenario.

Answer №2

If you want to control the ripple effect in a Material-UI ListItem component, you can utilize the disableRipple property. Simply set it to true when clicking on a button and set it to false when clicking on the list item itself. Here's an example:

const disableRipple = () => this.setState(prevState => ({
  ...prevState,
  parentDisableRipple: true
}));
const enableRipple = () => this.state.parentDisableRipple && this.setState(prevState => ({
  ...prevState,
  parentDisableRipple: false
}));

return (
  <div>
    <Hello name={this.state.name} />
    <p>
      Start editing to see some magic happen :)
    </p>

    <ListItem button={true} 
              disableRipple={this.state.parentDisableRipple}
              onClick={enableRipple()}>
      <Typography variant='caption' color='primary'>
        {value}
      </Typography>
      <Button onClick={foo} >Button</Button>
    </ListItem>
  </div>
);

I've created a playground on STACKBLITZ where you can experiment with this setup.

UPDATE

An alternative solution suggested by @Domino987 involves using onMouseDown along with event.stopPropagation(), as well as wrapping the contents in a <ListItemSecondaryAction> wrapper. You can find more details and examples in this thread.

I have updated my STACKBLITZ to showcase both of these solutions.

Answer №3

<ListItem button={true} matRipple #parent>
 <Typography variant='caption' color='primary' matRipple [matRippleTrigger]="parent"
   [matRippleDisabled]="true">
    {value}
 </Typography>
 <Button onClick={foo}>
    Button
 </Button>
</ListItem>

For a smooth animation effect, make sure to include a template variable for the element you want to animate. Then, activate the parent ripple by setting the [matRippleTrigger] option on the children elements.

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