Add a confirmation prompt to remove link in BuddyPress groups.

wp-idea-stream-custom.php

<?php

// Exit if accessed directly
defined( 'ABSPATH' ) || exit;

function georgio_idea_footer_actions( $footer = '' ) {
	if ( ! bp_is_group() ) {
		return $footer;
	}

	preg_match( '/class=\"remove-(.*)\"/', $footer, $classes );

	if ( ! empty( $classes[1] ) && 0 === strpos( $classes[1], 'idea' ) ) {
		$new_classes = str_replace( 'idea', 'idea confirm', $classes[0] );
		$footer = str_replace( $classes[0], $new_classes, $footer );
	}

	return $footer;
}
add_filter( 'wp_idea_stream_ideas_get_idea_footer', 'georgio_idea_footer_actions', 12, 1 );