Delightful Downloads Custom Buttons

add.php

<?php

function dedo_custom_button( $buttons ) {
    $buttons['custom'] = array(
        'name' => __( 'Custom Button', 'delightful-downloads' ),
        'class' => 'button-custom'
    );

    return $buttons;
}
add_filter( 'dedo_get_buttons', 'dedo_custom_button' );

defaults.php

<?php

$buttons = array(
    'black' => array(
        'name' => __( 'Black', 'delightful-downloads' ),
        'class' => 'button-black'
    ),
    'blue' => array(
        'name' => __( 'Blue', 'delightful-downloads' ),
        'class' => 'button-blue'
    ),
    'grey' => array(
        'name' => __( 'Grey', 'delightful-downloads' ),
        'class' => 'button-grey'
    ),
    'green' => array(
        'name' => __( 'Green', 'delightful-downloads' ),
        'class' => 'button-green'
    ),
    'purple' => array(
        'name' => __( 'Purple', 'delightful-downloads' ),
        'class' => 'button-purple'
    ),
    'red' => array(
        'name' => __( 'Red', 'delightful-downloads' ),
        'class' => 'button-red'
    ),
    'yellow' => array(
        'name' => __( 'Yellow', 'delightful-downloads' ),
        'class' => 'button-yellow'
    )
);

overwrite.php

<?php

function dedo_custom_button( $buttons ) {
    $custom_buttons['bright_pink'] = array(
        'name' => __( 'Bright Pink', 'delightful-downloads' ),
        'class' => 'button-bright-pink'
    );

    return $custom_buttons;
}
add_filter( 'dedo_get_buttons', 'dedo_custom_button' );

remove.php

<?php

function dedo_custom_button( $buttons ) {
    unset( $buttons['red'] );
    unset( $buttons['yellow'] );

    return $buttons;
}
add_filter( 'dedo_get_buttons', 'dedo_custom_button' );