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✏️ Editing: class-view-settings.php Writable

<?php
/**
 * Outputs a custom settings view under "Admin Access" on the Members plugin
 * settings page.
 *
 * @package   MembersAdminAccess
 * @author    Justin Tadlock <justintadlock@gmail.com>
 * @copyright Copyright (c) 2018, Justin Tadlock
 * @link      https://themehybrid.com/plugins/members-admin-access
 * @license   http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 */

namespace Members\AddOns\AdminAccess;

use Members\Admin\View;

/**
 * Sets up and handles the general settings view.
 *
 * @since  1.0.0
 * @access public
 */
class View_Settings extends View {

/**
	 * Registers the plugin settings.
	 *
	 * @since  1.0.0
	 * @access public
	 * @return void
	 */
	function register_settings() {

// Register the setting.
		register_setting( 'members_admin_access_settings', 'members_admin_access_settings', array( $this, 'validate_settings' ) );

/* === Settings Sections === */

add_settings_section( 'general', esc_html__( 'Admin Access', 'members' ), array( $this, 'section_general' ), app()->namespace . '/settings' );

/* === Settings Fields === */

add_settings_field( 'select_roles', esc_html__( 'Select Roles', 'members' ), array( $this, 'field_select_roles' ), app()->namespace . '/settings', 'general' );
		add_settings_field( 'redirect',     esc_html__( 'Redirect',     'members' ), array( $this, 'field_redirect'     ), app()->namespace . '/settings', 'general' );
		add_settings_field( 'toolbar',      esc_html__( 'Toolbar',      'members' ), array( $this, 'field_toolbar'      ), app()->namespace . '/settings', 'general' );
	}

/**
	 * Validates the plugin settings.
	 *
	 * @since  1.0.0
	 * @access public
	 * @param  array  $input
	 * @return array
	 */
	function validate_settings( $settings ) {

// Validate selected roles.
		//
		// Note that it's possible for `$settings['roles']` to not be set
		// when no roles at all are selected.

if ( empty( $settings['roles'] ) ) {
			$settings['roles'] = array();
		}

foreach ( $settings['roles'] as $key => $role ) {

if ( ! members_role_exists( $role ) )
				unset( $settings['roles'][ $key ] );
		}

// Escape URLs.
		$settings['redirect_url'] = esc_url_raw( $settings['redirect_url'] );

if ( ! $settings['redirect_url'] )
			$settings['redirect_url'] = esc_url_raw( home_url() );

// Handle checkboxes.
		$settings['disable_toolbar'] = ! empty( $settings['disable_toolbar'] ) ? true : false;

return apply_filters( app()->namespace . '/validate_settings', $settings );
	}

/**
	 * Role/Caps section callback.
	 *
	 * @since  1.0.0
	 * @access public
	 * @return void
	 */
	public function section_general() { ?>

<p class="description">
			<?php esc_html_e( 'Control admin access by user role.', 'members' ); ?>
		</p>
	<?php }

/**
	 * Outputs the field for selecting roles.
	 *
	 * @since  1.0.0
	 * @access public
	 * @return void
	 */
	public function field_select_roles() { ?>

<ul>
			<?php foreach ( members_get_roles() as $role ) :

$disabled = in_array( $role->name, get_roles_with_permanent_access() ); ?>

<?php else : ?>

<?php endif; ?>

<?php echo esc_html( $role->label ); ?>
					</label>
				</li>

<?php endforeach; ?>
		</ul>

</div>
	<?php }

/**
	 * Outputs the redirect URL field.
	 *
	 * @since  1.0.0
	 * @access public
	 * @return void
	 */
	public function field_redirect() { ?>

<input type="text" name="members_admin_access_settings[redirect_url]" value="<?php echo esc_attr( get_redirect_url() ); ?>" />
			</label>
		</p>
	<?php }

/**
	 * The toolbar field callback.
	 *
	 * @since  1.0.0
	 * @access public
	 * @return void
	 */
	public function field_toolbar() { ?>

<?php esc_html_e( 'Disable toolbar on the front end for users without admin access.', 'members' ); ?>
			</label>
		</p>
	<?php }

/**
	 * Renders the settings page.
	 *
	 * @since  1.0.0
	 * @access public
	 * @return void
	 */
	public function template() { ?>

<form method="post" action="options.php">
			<?php settings_fields( 'members_admin_access_settings' ); ?>
			<?php do_settings_sections( app()->namespace . '/settings' ); ?>
			<?php submit_button( esc_attr__( 'Update Settings', 'members' ), 'primary' ); ?>
		</form>

<?php }
}

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