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Rewrite of Twenty Eleven theme-options.php. Including: 

* Full inline documentation.
 * Enqueue scripts/styles on admin_enqueue_scripts and use hook_suffix rather than GET[page]
 * Add filters to twentyeleven_color_schemes(), twentyeleven_layouts(), which necessitates adding a thumbnail URL value here, rather than generating them in the form.
 * Add a twentyeleven_default_theme_options filter.
 * Remove manual check for REQUEST[settings-updated], instead using settings_errors(), since we're using options.php.
 * Abstract out the default link color, rather than hardcoding it in certain places.
 * Use checked().
 * Rename some variables and functions for clarity.
 * Remove unnecessary functions twentyeleven_current_layout() and twentyeleven_current_color_scheme(), as we already have twentyeleven_get_theme_options().
 * Add a twentyeleven_color_schemes action to allow for enqueueing custom color schemes.
 * Add a twentyeleven_layout_classes filter, to allow filtering what gets sent back to body_class().
 * Hook into wp_enqueue_scripts rather than wp_print_styles for enqueueing the color stylesheet.
 * Rewrite the register_setting() callback to start from scratch with an empty array. Improve the link_color logic.
 * Use submit_button().
 * Use esc_attr() rather than esc_attr_e() for non-translations.

TODO:
 * Implement settings sections/fields logic to allow extension of the options page.
 * Consider re-doing this in a class. It'll be cleaner.
 * Store a DB version so we can do an add_option(), rather than calling get_option() with defaults.

see #17198.



git-svn-id: http://svn.automattic.com/wordpress/trunk@17733 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
nacin 2011-04-28 08:06:57 +00:00
parent e5425ba17a
commit 9db8f895a0
1 changed files with 149 additions and 162 deletions
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311
wp-content/themes/twentyeleven/inc/theme-options/theme-options.php
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@ -4,90 +4,132 @@
*
* @package WordPress
* @subpackage Twenty Eleven
* @since Twenty Eleven 1.0
*/
add_action( 'admin_init', 'theme_options_init' );
add_action( 'admin_menu', 'theme_options_add_page' );
/**
* Add theme options page styles and scripts
* Properly enqueue styles and scripts for our theme options page.
*
* This function is attached to the admin_enqueue_scripts action hook.
*
* @since Twenty Eleven 1.0
*
* @param string $hook_suffix The action passes the current page to the function. We don't
* do anything if we're not on our theme options page.
*/
wp_register_style( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options/theme-options.css', '', '0.1' );
wp_register_script( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options/theme-options.js' );
if ( isset( $_GET['page'] ) && $_GET['page'] == 'theme_options' ) {
wp_enqueue_style( 'twentyeleven-theme-options' );
wp_enqueue_script( 'twentyeleven-theme-options' );
wp_enqueue_script( 'farbtastic' );
function twentyeleven_admin_enqueue_scripts( $hook_suffix ) {
if ( $hook_suffix != 'appearance_page_theme_options' )
return;
wp_enqueue_style( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options/theme-options.css', '', '0.1' );
wp_enqueue_script( 'twentyeleven-theme-options', get_template_directory_uri() . '/inc/theme-options/theme-options.js' );
wp_enqueue_style( 'farbtastic' );
wp_enqueue_script( 'farbtastic' );
}
add_action( 'admin_enqueue_scripts', 'twentyeleven_admin_enqueue_scripts' );
/**
* Init plugin options to white list our options
* Register the form setting for our twentyeleven_options array.
*
* This function is attached to the admin_init action hook.
*
* This call to register_setting() registers a validation callback, twentyeleven_theme_options_validate(),
* which is used when the option is saved, to ensure that our option values are complete, properly
* formatted, and safe.
*
* @since Twenty Eleven 1.0
*/
function theme_options_init(){
function twentyeleven_theme_options_init() {
register_setting( 'twentyeleven_options', 'twentyeleven_theme_options', 'twentyeleven_theme_options_validate' );
}
add_action( 'admin_init', 'twentyeleven_theme_options_init' );
/**
* Load up the menu page
* Add our theme options page to the admin menu.
*
* This function is attached to the admin_menu action hook.
*
* @since Twenty Eleven 1.0
*/
function theme_options_add_page() {
add_theme_page( __( 'Theme Options', 'twentyeleven' ), __( 'Theme Options', 'twentyeleven' ), 'edit_theme_options', 'theme_options', 'theme_options_do_page' );
function twentyeleven_theme_options_add_page() {
add_theme_page(
__( 'Theme Options', 'twentyeleven' ), // Name of page
__( 'Theme Options', 'twentyeleven' ), // Label in menu
'edit_theme_options', // Capability required
'theme_options', // Menu slug, used to uniquely identify the page
'theme_options_render_page' // Function that renders the options page
);
}
add_action( 'admin_menu', 'twentyeleven_theme_options_add_page' );
/**
* Return array for our color schemes
* Returns an array of color schemes registered for Twenty Eleven.
*
* @since Twenty Eleven 1.0
*/
function twentyeleven_color_schemes() {
$color_scheme_options = array(
'light' => array(
'value' => 'light',
'label' => __( 'Light', 'twentyeleven' )
'label' => __( 'Light', 'twentyeleven' ),
'thumbnail' => get_template_directory_uri() . '/inc/theme-options/images/light.png',
),
'dark' => array(
'value' => 'dark',
'label' => __( 'Dark', 'twentyeleven' )
'label' => __( 'Dark', 'twentyeleven' ),
'thumbnail' => get_template_directory_uri() . '/inc/theme-options/images/dark.png',
),
);
return $color_scheme_options;
return apply_filters( 'twentyeleven_color_schemes', $color_scheme_options );
}
/**
* Return array for our layout options
* Returns an array of layout options registered for Twenty Eleven.
*
* @since Twenty Eleven 1.0
*/
function twentyeleven_layouts() {
$layout_options = array(
'content-sidebar' => array(
'value' => 'content-sidebar',
'label' => __( 'Content on left', 'twentyeleven' ),
'thumbnail' => get_template_directory_uri() . '/inc/theme-options/images/content-sidebar.png',
),
'sidebar-content' => array(
'value' => 'sidebar-content',
'label' => __( 'Content on right', 'twentyeleven' )
'label' => __( 'Content on right', 'twentyeleven' ),
'thumbnail' => get_template_directory_uri() . '/inc/theme-options/images/sidebar-content.png',
),
'content' => array(
'value' => 'content',
'label' => __( 'One-column, no Sidebar', 'twentyeleven' )
'label' => __( 'One-column, no Sidebar', 'twentyeleven' ),
'thumbnail' => get_template_directory_uri() . '/inc/theme-options/images/content.png',
),
);
return $layout_options;
return apply_filters( 'twentyeleven_layouts', $layout_options );
}
/**
* Return the default Twenty Eleven theme option values
* Returns the default options for Twenty Eleven.
*
* @since Twenty Eleven 1.0
*/
function twentyeleven_get_default_theme_options() {
return array(
$default_theme_options = array(
'color_scheme' => 'light',
'link_color' => '#1b8be0',
'theme_layout' => 'content-sidebar',
);
return apply_filters( 'twentyeleven_default_theme_options', $default_theme_options );
}
/**
* Return the current Twenty Eleven theme options, with default values as fallback
* Returns the options array for Twenty Eleven.
*
* @since Twenty Eleven 1.0
*/
function twentyeleven_get_theme_options() {
$defaults = twentyeleven_get_default_theme_options();
@ -97,54 +139,38 @@ function twentyeleven_get_theme_options() {
}
/**
* Create the options page
* Returns the options array for Twenty Eleven.
*
* @since Twenty Eleven 1.0
*/
function theme_options_do_page() {
if ( ! isset( $_REQUEST['settings-updated'] ) )
$_REQUEST['settings-updated'] = false;
function theme_options_render_page() {
?>
<div class="wrap">
<?php screen_icon(); echo "<h2>" . get_current_theme() . __( ' Theme Options', 'twentyeleven' ) . "</h2>"; ?>
<?php if ( false !== $_REQUEST['settings-updated'] ) : ?>
<div class="updated fade"><p><strong><?php _e( 'Options saved', 'twentyeleven' ); ?></strong></p></div>
<?php endif; ?>
<?php screen_icon(); ?>
<h2><?php printf( __( '%s Theme Options', 'twentyeleven' ), get_current_theme() ); ?></h2>
<?php settings_errors(); ?>
<form method="post" action="options.php">
<?php settings_fields( 'twentyeleven_options' ); ?>
<?php $options = twentyeleven_get_theme_options(); ?>
<?php
settings_fields( 'twentyeleven_options' );
$options = twentyeleven_get_theme_options();
$default_options = twentyeleven_get_default_theme_options();
?>
<table class="form-table">
<?php
/**
* Color Scheme Options
*/
?>
<tr valign="top" class="image-radio-option"><th scope="row"><?php _e( 'Color Scheme', 'twentyeleven' ); ?></th>
<td>
<fieldset><legend class="screen-reader-text"><span><?php _e( 'Color Scheme', 'twentyeleven' ); ?></span></legend>
<?php
if ( ! isset( $checked ) )
$checked = '';
foreach ( twentyeleven_color_schemes() as $option ) {
$radio_setting = $options['color_scheme'];
if ( '' != $radio_setting ) {
if ( $options['color_scheme'] == $option['value'] ) {
$checked = "checked=\"checked\"";
} else {
$checked = '';
}
}
foreach ( twentyeleven_color_schemes() as $color ) {
?>
<div class="layout">
<label class="description">
<input type="radio" name="twentyeleven_theme_options[color_scheme]" value="<?php esc_attr_e( $option['value'] ); ?>" <?php echo $checked; ?> />
<input type="radio" name="twentyeleven_theme_options[color_scheme]" value="<?php echo esc_attr( $color['value'] ); ?>" <?php checked( $options['color_scheme'], $color['value'] ); ?> />
<span>
<img src="<?php echo get_template_directory_uri(); ?>/inc/theme-options/images/<?php echo $option['value']; ?>.png"/>
<?php echo $option['label']; ?>
<img src="<?php echo esc_url( $color['thumbnail'] ); ?>"/>
<?php echo $color['label']; ?>
</span>
</label>
</div>
@ -155,51 +181,30 @@ function theme_options_do_page() {
</td>
</tr>
<?php
/**
* Link Color Options
*/
?>
<tr valign="top"><th scope="row"><?php _e( 'Link Color', 'twentyeleven' ); ?></th>
<td>
<fieldset><legend class="screen-reader-text"><span><?php _e( 'Link Color', 'twentyeleven' ); ?></span></legend>
<input type="text" name="twentyeleven_theme_options[link_color]" id="link-color" value="<?php esc_attr_e( $options['link_color'] ); ?>" />
<input type="text" name="twentyeleven_theme_options[link_color]" id="link-color" value="<?php echo esc_attr( $options['link_color'] ); ?>" />
<a class="hide-if-no-js" href="#" id="pickcolor"><?php _e( 'Select a Color', 'twentyeleven' ); ?></a>
<div id="colorPickerDiv" style="z-index: 100; background:#eee; border:1px solid #ccc; position:absolute; display:none;"></div>
<br />
<small class="description"><?php printf( __( 'Default color: %s', 'twentyeleven' ), '#1b8be0' ); ?></small>
<small class="description"><?php printf( __( 'Default color: %s', 'twentyeleven' ), $default_options['link_color'] ); ?></small>
</fieldset>
</td>
</tr>
<?php
/**
* Layout Options
*/
?>
<tr valign="top" class="image-radio-option"><th scope="row"><?php _e( 'Layout', 'twentyeleven' ); ?></th>
<td>
<fieldset><legend class="screen-reader-text"><span><?php _e( 'Color Scheme', 'twentyeleven' ); ?></span></legend>
<?php
if ( ! isset( $checked ) )
$checked = '';
foreach ( twentyeleven_layouts() as $option ) {
$radio_setting = $options['theme_layout'];
if ( '' != $radio_setting ) {
if ( $options['theme_layout'] == $option['value'] ) {
$checked = "checked=\"checked\"";
} else {
$checked = '';
}
}
foreach ( twentyeleven_layouts() as $layout ) {
?>
<div class="layout">
<label class="description">
<input type="radio" name="twentyeleven_theme_options[theme_layout]" value="<?php esc_attr_e( $option['value'] ); ?>" <?php echo $checked; ?> />
<input type="radio" name="twentyeleven_theme_options[theme_layout]" value="<?php echo esc_attr( $layout['value'] ); ?>" <?php checked( $options['theme_layout'], $layout['value'] ); ?> />
<span>
<img src="<?php echo get_template_directory_uri(); ?>/inc/theme-options/images/<?php echo $option['value']; ?>.png"/>
<?php echo $option['label']; ?>
<img src="<?php echo esc_url( $layout['thumbnail'] ); ?>"/>
<?php echo $layout['label']; ?>
</span>
</label>
</div>
@ -211,120 +216,102 @@ function theme_options_do_page() {
</tr>
</table>
<p class="submit">
<input type="submit" class="button-primary" value="<?php esc_attr_e( 'Save Options', 'twentyeleven' ); ?>" />
</p>
<?php submit_button(); ?>
</form>
</div>
<?php
}
/**
* Sanitize and validate input. Accepts an array, return a sanitized array.
* Sanitize and validate form input. Accepts an array, return a sanitized array.
*
* todo set up Reset Options action
* @see twentyeleven_theme_options_init()
* @todo set up Reset Options action
*
* @since Twenty Ten 1.0
*/
function twentyeleven_theme_options_validate( $input ) {
$defaults = twentyeleven_get_default_theme_options();
$output = twentyeleven_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'], twentyeleven_color_schemes() ) )
$input['color_scheme'] = $defaults['color_scheme'];
if ( isset( $input['color_scheme'] ) && array_key_exists( $input['color_scheme'], twentyeleven_color_schemes() ) )
$output['color_scheme'] = $input['color_scheme'];
// Link color must be 3 or 6 hexadecimal characters
if ( ! isset( $input[ 'link_color' ] ) ) {
$input['link_color'] = $defaults['link_color'];
} else {
if ( preg_match( '/^#?([a-f0-9]{3}){1,2}$/i', $input['link_color'] ) ) {
$link_color = $input['link_color'];
// If color value doesn't have a preceding hash, add it
if ( false === strpos( $link_color, '#' ) )
$link_color = '#' . $link_color;
} else {
$input['link_color'] = $defaults['link_color'];
}
}
if ( isset( $input['link_color'] ) && preg_match( '/^#?([a-f0-9]{3}){1,2}$/i', $input['link_color'] ) )
$output['link_color'] = '#' . strtolower( ltrim( $input['link_color'], '#' ) );
// Theme layout must be in our array of theme layout options
if ( ! isset( $input['theme_layout'] ) || ! array_key_exists( $input['theme_layout'], twentyeleven_layouts() ) )
$input['theme_layout'] = $defaults['theme_layout'];
if ( isset( $input['theme_layout'] ) && array_key_exists( $input['theme_layout'], twentyeleven_layouts() ) )
$output['theme_layout'] = $input['theme_layout'];
return $input;
}
/**
* Returns the current Twenty Eleven color scheme as selected in the theme options
*
* @since Twenty Eleven 1.0
*/
function twentyeleven_current_color_scheme() {
$options = twentyeleven_get_theme_options();
return $options['color_scheme'];
return $output;
}
/**
* Register our color schemes and add them to the queue
*/
function twentyeleven_color_registrar() {
$color_scheme = twentyeleven_current_color_scheme();
function twentyeleven_color_styles() {
$options = twentyeleven_get_theme_options();
$color_scheme = $options['color_scheme'];
if ( 'dark' == $color_scheme ) {
wp_register_style( 'dark', get_template_directory_uri() . '/colors/dark.css', null, null );
wp_enqueue_style( 'dark' );
}
if ( 'dark' == $color_scheme )
wp_enqueue_style( 'dark', get_template_directory_uri() . '/colors/dark.css', null, null );
do_action( 'twentyeleven_color_schemes', $color_scheme );
}
if ( ! is_admin() )
add_action( 'wp_print_styles', 'twentyeleven_color_registrar' );
add_action( 'wp_enqueue_scripts', 'twentyeleven_color_styles' );
/**
* Returns the current Twenty Eleven layout as selected in the theme options
* Add a style block to the theme for the current link color.
*
* This function is attached to the wp_head action hook.
*
* @since Twenty Eleven 1.0
*/
function twentyeleven_current_layout() {
$options = twentyeleven_get_theme_options();
$current_layout = $options['theme_layout'];
$two_columns = array( 'content-sidebar', 'sidebar-content' );
if ( in_array( $current_layout, $two_columns ) )
return 'two-column ' . $current_layout;
else
return 'one-column ' . $current_layout;
}
/**
* Add an internal style block for the link color to wp_head()
*/
function twentyeleven_link_color() {
$options = twentyeleven_get_theme_options();
$current_link_color = $options['link_color'];
$link_color = $options['link_color'];
// Is the link color just the default color?
if ( '#1b8be0' == $current_link_color ) :
return; // we don't need to do anything then
else :
?>
<style>
/* Link color */
a,
.entry-title a:hover {
color: <?php echo $current_link_color; ?>;
}
</style>
<?php
endif;
$default_options = twentyeleven_get_default_theme_options();
// Don't do anything if the current link color is the default.
if ( $default_options['link_color'] == $link_color )
return;
?>
<style>
/* Link color */
a,
.entry-title a:hover {
color: <?php echo $link_color; ?>;
}
</style>
<?php
}
add_action( 'wp_head', 'twentyeleven_link_color' );
/**
* Adds twentyeleven_current_layout() to the array of body classes
* Adds Twenty Ten layout classes to the array of body classes
*
* @since Twenty Eleven 1.0
*/
function twentyeleven_layout_class( $classes ) {
$classes[] = twentyeleven_current_layout();
function twentyeleven_layout_classes( $classes ) {
$options = twentyeleven_get_theme_options();
$current_layout = $options['theme_layout'];
return $classes;
$twentyeleven_classes = array();
$two_column_layouts = array( 'content-sidebar', 'sidebar-content' );
if ( in_array( $current_layout, $two_column_layouts ) )
$twentyeleven_classes[] = 'two-column';
else
$twentyeleven_classes[] = 'one-column';
$twentyeleven_classes[] = $current_layout;
$twentyeleven_classes = apply_filters( 'twentyeleven_layout_classes', $twentyeleven_classes, $current_layout );
return array_merge( $classes, $twentyeleven_classes );
}
add_filter( 'body_class', 'twentyeleven_layout_class' );
add_filter( 'body_class', 'twentyeleven_layout_classes' );