Prosellers Shell V2.0

Editing: admin-settings.php

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<?php
	
// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

// SETTINGS PAGE SHELL
function testimonial_rotator_settings_callback()
{
?>
	<div class="wrap">
	    <h2><?php _e('Testimonial Rotator Settings', 'testimonial-rotator'); ?></h2>

<?php settings_errors( 'testimonial-rotator-error-handling' ); ?>

<form action="options.php" method="POST">
	        <?php settings_fields( 'testimonial_rotator_group' ); ?>
	        <?php do_settings_sections( 'testimonial_rotator' ); ?>
	        <?php submit_button(); ?>
	    </form>
	</div>
<?php
}

function testimonial_rotator_settings_init()
{
	register_setting( 'testimonial_rotator_group', 'testimonial-rotator-error-handling', 'testimonial_rotator_settings_sanitize' );
	register_setting( 'testimonial_rotator_group', 'testimonial-rotator-creator-role' );
	register_setting( 'testimonial_rotator_group', 'testimonial-rotator-hide-fontawesome' );
	register_setting( 'testimonial_rotator_group', 'testimonial-rotator-archive-slug' );
	register_setting( 'testimonial_rotator_group', 'testimonial-rotator-custom-css' );
	
	add_settings_section( 'testimonial_rotator', '', 'testimonial_rotator_empty_function', 'testimonial_rotator' );
	add_settings_field( 'testimonial-rotator-error-handling', __('Error Handling', 'testimonial-rotator'), 'testimonial_rotator_error_handling_callback', 'testimonial_rotator', 'testimonial_rotator' );
	add_settings_field( 'testimonial-rotator-creator-role', __('Who Sees Rotator Menu?', 'testimonial-rotator'), 'testimonial_rotator_creator_role_callback', 'testimonial_rotator', 'testimonial_rotator' );
	add_settings_field( 'testimonial-rotator-hide-fontawesome', __('Hide Font Awesome?', 'testimonial-rotator'), 'testimonial_rotator_fontawesome_callback', 'testimonial_rotator', 'testimonial_rotator' );
	add_settings_field( 'testimonial-rotator-archive-slug', __('Archive Slug', 'testimonial-rotator'), 'testimonial_rotator_archiveslug_callback', 'testimonial_rotator', 'testimonial_rotator' );
	add_settings_field( 'testimonial-rotator-custom-css', __('Custom CSS', 'testimonial-rotator'), 'testimonial_rotator_custom_css_setting', 'testimonial_rotator', 'testimonial_rotator' );
}

function testimonial_rotator_empty_function() { return ''; }

function testimonial_rotator_settings_sanitize( $data = array() )
{
	add_settings_error( 'testimonial-rotator-error-handling', '', __( 'Settings Updated', 'testimonial-rotator' ), 'updated' );
	return $data;
}

function testimonial_rotator_error_handling_callback()
{
	$setting = esc_attr( get_option( 'testimonial-rotator-error-handling' ) );
	if(!$setting) $setting = "source";
	
	echo "<input type='radio' name='testimonial-rotator-error-handling' value='source' " . checked( $setting, 'source', false ) . " /> " . __('Hidden in Source', 'testimonial-rotator') . " &nbsp; &nbsp; ";
	echo "<input type='radio' name='testimonial-rotator-error-handling' value='display-admin' " . checked( $setting, 'display-admin', false ) . " /> " . __('Display if Admin', 'testimonial-rotator') . " &nbsp; &nbsp; ";
	echo "<input type='radio' name='testimonial-rotator-error-handling' value='display-all' " . checked( $setting, 'display-all', false ) . " /> " . __('Display for Anyone', 'testimonial-rotator') . " &nbsp; &nbsp; ";
	
	echo "<p>";
	echo __("What should the plugin do when there is an error?", 'testimonial-rotator');
	echo "</p>";
}

function testimonial_rotator_creator_role_callback()
{
	$setting = (array) get_option( 'testimonial-rotator-creator-role' );

foreach( get_editable_roles() as $role_name => $role_info )
	{
		if( $role_name == "administrator") continue;
		$checkd = "";
		if( in_array( $role_name, $setting ) ) $checkd = " checked='checked' ";

echo "<div style='padding: 0 10px 10px 0; float: left; '><input type='checkbox' name='testimonial-rotator-creator-role[]' value='{$role_name}' {$checkd} /> " . $role_name . "</div>";
	}
	
	echo "<p style='clear: both;'>";
	echo __("Select the roles that will be able to see the Rotator List View and 'Add New' Button in the admin menu.", 'testimonial-rotator');
	echo "</p>";
}

function testimonial_rotator_fontawesome_callback()
{
	$setting = get_option( 'testimonial-rotator-hide-fontawesome' );
	echo "<p>";
	?>
	<input type="checkbox" name="testimonial-rotator-hide-fontawesome" value="1" <?php if($setting) echo "checked='checked'"; ?>> 
	<?php
	echo __("Already loading Font Awesome with your theme or another plugin? You can turn off our version here.", 'testimonial-rotator');
	echo "</p>";
}

function testimonial_rotator_archiveslug_callback()
{
	$slug			= "testimonials";
	$filter_slug 	= apply_filters( 'testimonial_rotator_testimonial_slug', false );
	
	if( $filter_slug )
	{
		echo "<em>" . __('Value has already been set in a filter: ', 'testimonial-rotator') . ": <code>" . $filter_slug . "</code></em>";
	}
	else
	{
		$setting = get_option( 'testimonial-rotator-archive-slug' );
		if( $setting ) $slug = $setting;
		
		echo "<p>";
		?>
		<input type="text" name="testimonial-rotator-archive-slug" value="<?php echo $slug; ?>" style='width:300px; max-width: 90%; display: block;'>
		<?php
		echo __("This is the slug that will be used for the Testimonials custom post type archive page.", 'testimonial-rotator');
		echo "</p>";
	}

echo '<p><b>Note:</b> If you are not seeing your changes, you may need to <a href="' . admin_url('options-permalink.php') . '">resave your permalinks on this page.</a></p>';
}

function testimonial_rotator_custom_css_setting()
{
	$setting = get_option( 'testimonial-rotator-custom-css' );
	
	echo "<textarea col=\"20\" name=\"testimonial-rotator-custom-css\" style=\"width: 70%; height: 200px;\">";
	echo $setting;
	echo "</textarea>";
	echo "<p>" . __("This custom CSS will get inserted after the testimonial rotator CSS is loaded so you can override the styles.", 'testimonial-rotator') . "</p>";
}

Editing: admin-settings.php

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