File: /home/mmickelson/martyknows.com/wp-content/themes/itheme2/inc/theme-options.php
<?php
/**
* iTheme2 Theme Options
*
* @package WordPress
* @subpackage iTheme2
* @since iTheme2 1.2-wpcom
*/
/**
* Properly enqueue styles for our theme options page.
*
* @since iTheme2 1.2-wpcom
*
*/
function itheme2_admin_enqueue_scripts( $hook_suffix ) {
wp_enqueue_style( 'itheme2-theme-options', get_template_directory_uri() . '/inc/theme-options.css', false, '2011-04-28' );
}
add_action( 'admin_print_styles-appearance_page_theme_options', 'itheme2_admin_enqueue_scripts' );
/**
* Register the form setting for our itheme2_options array.
*
* This function is attached to the admin_init action hook.
*
* This call to register_setting() registers a validation callback, itheme2_theme_options_validate(),
* which is used when the option is saved, to ensure that our option values are complete, properly
* formatted, and safe.
*
* We also use this function to add our theme option if it doesn't already exist.
*
* @since iTheme2 1.0
*/
function itheme2_theme_options_init() {
// If we have no options in the database, let's add them now.
if ( false === itheme2_get_theme_options() )
add_option( 'itheme2_theme_options', itheme2_get_default_theme_options() );
register_setting(
'itheme2_options', // Options group, see settings_fields() call in theme_options_render_page()
'itheme2_theme_options', // Database option, see itheme2_get_theme_options()
'itheme2_theme_options_validate' // The sanitization callback, see itheme2_theme_options_validate()
);
// Register our settings field group
add_settings_section(
'general', // Unique identifier for the settings section
'', // Section title (we don't want one)
'__return_false', // Section callback (we don't want anything)
'theme_options' // Menu slug, used to uniquely identify the page; see itheme2_theme_options_add_page()
);
// Register our individual settings fields
add_settings_field(
'color_scheme', // Unique identifier for the field for this section
__( 'Color Scheme', 'itheme2' ), // Setting field label
'itheme2_settings_field_color_scheme', // Function that renders the settings field
'theme_options', // Menu slug, used to uniquely identify the page; see itheme2_theme_options_add_page()
'general' // Settings section. Same as the first argument in the add_settings_section() above
);
}
add_action( 'admin_init', 'itheme2_theme_options_init' );
/**
* Change the capability required to save the 'itheme2_options' options group.
*
* @see itheme2_theme_options_init() First parameter to register_setting() is the name of the options group.
* @see itheme2_theme_options_add_page() The edit_theme_options capability is used for viewing the page.
*
* By default, the options groups for all registered settings require the manage_options capability.
* This filter is required to change our theme options page to edit_theme_options instead.
* By default, only administrators have either of these capabilities, but the desire here is
* to allow for finer-grained control for roles and users.
*
* @param string $capability The capability used for the page, which is manage_options by default.
* @return string The capability to actually use.
*/
function itheme2_option_page_capability( $capability ) {
return 'edit_theme_options';
}
add_filter( 'option_page_capability_itheme2_options', 'itheme2_option_page_capability' );
/**
* Add our theme options page to the admin menu, including some help documentation.
*
* This function is attached to the admin_menu action hook.
*
* @since iTheme2 1.0
*/
function itheme2_theme_options_add_page() {
$theme_page = add_theme_page(
__( 'Theme Options', 'itheme2' ), // Name of page
__( 'Theme Options', 'itheme2' ), // Label in menu
'edit_theme_options', // Capability required
'theme_options', // Menu slug, used to uniquely identify the page
'itheme2_theme_options_render_page' // Function that renders the options page
);
if ( ! $theme_page )
return;
}
add_action( 'admin_menu', 'itheme2_theme_options_add_page' );
/**
* Returns an array of color schemes registered for iTheme2.
*
* @since iTheme2 1.0
*/
function itheme2_color_schemes() {
$color_scheme_options = array(
'white' => array(
'value' => 'white',
'label' => __( 'White', 'itheme2' ),
'thumbnail' => get_template_directory_uri() . '/inc/images/white.png',
),
'black' => array(
'value' => 'black',
'label' => __( 'Black', 'itheme2' ),
'thumbnail' => get_template_directory_uri() . '/inc/images/black.png',
),
'gray' => array(
'value' => 'gray',
'label' => __( 'Gray', 'itheme2' ),
'thumbnail' => get_template_directory_uri() . '/inc/images/gray.png',
),
);
return apply_filters( 'itheme2_color_schemes', $color_scheme_options );
}
/**
* Returns the default options for iTheme2.
*
* @since iTheme2 1.0
*/
function itheme2_get_default_theme_options() {
$default_theme_options = array(
'color_scheme' => 'white',
);
return apply_filters( 'itheme2_default_theme_options', $default_theme_options );
}
/**
* Returns the options array for iTheme2.
*
* @since iTheme2 1.0
*/
function itheme2_get_theme_options() {
return get_option( 'itheme2_theme_options', itheme2_get_default_theme_options() );
}
/**
* Renders the Color Scheme setting field.
*
* @since iTheme2 1.3
*/
function itheme2_settings_field_color_scheme() {
$options = itheme2_get_theme_options();
foreach ( itheme2_color_schemes() as $scheme ) {
?>
<div class="layout image-radio-option color-scheme">
<label class="description">
<input type="radio" name="itheme2_theme_options[color_scheme]" value="<?php echo esc_attr( $scheme['value'] ); ?>" <?php checked( $options['color_scheme'], $scheme['value'] ); ?> />
<input type="hidden" id="default-color-<?php echo esc_attr( $scheme['value'] ); ?>" value="<?php echo esc_attr( $scheme['default_link_color'] ); ?>" />
<span>
<img src="<?php echo esc_url( $scheme['thumbnail'] ); ?>" width="136" height="122" alt="" />
<?php echo $scheme['label']; ?>
</span>
</label>
</div>
<?php
}
}
/**
* Returns the options array for iTheme2.
*
* @since iTheme2 1.2
*/
function itheme2_theme_options_render_page() {
?>
<div class="wrap">
<?php screen_icon(); ?>
<h2><?php printf( __( '%s Theme Options', 'itheme2' ), get_current_theme() ); ?></h2>
<?php settings_errors(); ?>
<form method="post" action="options.php">
<?php
settings_fields( 'itheme2_options' );
do_settings_sections( 'theme_options' );
submit_button();
?>
</form>
</div>
<?php
}
/**
* Sanitize and validate form input. Accepts an array, return a sanitized array.
*
* @see itheme2_theme_options_init()
* @todo set up Reset Options action
*
* @since iTheme2 1.0
*/
function itheme2_theme_options_validate( $input ) {
$output = $defaults = itheme2_get_default_theme_options();
// Color scheme must be in our array of color scheme options
if ( isset( $input['color_scheme'] ) && array_key_exists( $input['color_scheme'], itheme2_color_schemes() ) )
$output['color_scheme'] = $input['color_scheme'];
return apply_filters( 'itheme2_theme_options_validate', $output, $input, $defaults );
}
/**
* Enqueue the styles for the current color scheme.
*
* @since iTheme2 1.0
*/
function itheme2_enqueue_color_scheme() {
$options = itheme2_get_theme_options();
$color_scheme = $options['color_scheme'];
if ( 'white' != $color_scheme )
wp_enqueue_style( $color_scheme, get_template_directory_uri() . '/skins/' . $color_scheme . '/' . $color_scheme . '.css', array(), null );
do_action( 'itheme2_enqueue_color_scheme', $color_scheme );
}
add_action( 'wp_enqueue_scripts', 'itheme2_enqueue_color_scheme' );